Bump version

The actual fix to this is somewhere in the conversion code where an array of Enum values somehow just... fails? I'm not totally sure how that's happening but this is the easiest way around it until that auto stuff can be fixed.

.github/workflows/build_nupkg.yml

@@ -16,10 +16,16 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: 8.0.x
+        dotnet-version: 9.0.x
         
     - name: Restore dependencies
       run: dotnet restore
+
+    - name: Build library
+      run: dotnet build
+
+    - name: Run tests
+      run: dotnet test
       
     - name: Pack
       run: dotnet pack

.github/workflows/build_test.yml

@@ -1,4 +1,4 @@
-name: Build Test
+name: Build InfoPrint
 
 on:
   push:
@@ -10,10 +10,10 @@ jobs:
 
     strategy:
       matrix:
-        project: [Test]
-        runtime: [win-x86, win-x64, linux-x64, osx-x64] #[win-x86, win-x64, win-arm64, linux-x64, linux-arm64, osx-x64]
-        framework: [net8.0] #[net20, net35, net40, net452, net472, net48, netcoreapp3.1, net5.0, net6.0, net7.0, net8.0]
-        conf: [Release, Debug]
+        project: [InfoPrint]
+        runtime: [win-x86, win-x64, win-arm64, linux-x64, linux-arm64, osx-x64]
+        framework: [net9.0] #[net20, net35, net40, net452, net472, net48, netcoreapp3.1, net5.0, net6.0, net7.0, net8.0, net9.0]
+        conf: [Debug] #[Release, Debug]
 
     steps:
     - uses: actions/checkout@v4
@@ -23,16 +23,18 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: 8.0.x
+        dotnet-version: 9.0.x
         
     - name: Restore dependencies
       run: dotnet restore
       
     - name: Build
-      run: dotnet publish ${{ matrix.project }}/${{ matrix.project }}.csproj -f ${{ matrix.framework }} -r ${{ matrix.runtime }} -c ${{ matrix.conf == 'Release' && 'Release -p:DebugType=None -p:DebugSymbols=false' || 'Debug'}} --self-contained true --version-suffix ${{ github.sha }} ${{ (startsWith(matrix.framework, 'net5') || startsWith(matrix.framework, 'net6') || startsWith(matrix.framework, 'net7') || startsWith(matrix.framework, 'net8')) && '-p:PublishSingleFile=true' || ''}}
+      run: dotnet publish ${{ matrix.project }}/${{ matrix.project }}.csproj -f ${{ matrix.framework }} -r ${{ matrix.runtime }} -c ${{ matrix.conf == 'Release' && 'Release -p:DebugType=None -p:DebugSymbols=false' || 'Debug'}} --self-contained true --version-suffix ${{ github.sha }} ${{ (startsWith(matrix.framework, 'net5') || startsWith(matrix.framework, 'net6') || startsWith(matrix.framework, 'net7') || startsWith(matrix.framework, 'net8') || startsWith(matrix.framework, 'net9')) && '-p:PublishSingleFile=true' || ''}}
         
     - name: Archive build
-      run: zip -r ${{ matrix.project }}_${{ matrix.framework }}_${{ matrix.runtime }}_${{ matrix.conf }}.zip ${{ matrix.project }}/bin/${{ matrix.conf }}/${{ matrix.framework }}/${{ matrix.runtime }}/publish/
+      run: |
+        cd ${{ matrix.project }}/bin/Debug/${{ matrix.framework }}/${{ matrix.runtime }}/publish/
+        zip -r ${{ github.workspace }}/${{ matrix.project }}_${{ matrix.framework }}_${{ matrix.runtime }}_${{ matrix.conf }}.zip ./
         
     - name: Upload build
       uses: actions/upload-artifact@v4

.github/workflows/check_pr.yml

@@ -11,7 +11,10 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: 8.0.x
+        dotnet-version: 9.0.x
       
     - name: Build
-      run: dotnet build
+      run: dotnet build
+
+    - name: Run tests
+      run: dotnet test

.gitignore

@@ -1,15 +1,7 @@
-*.swp
-*.*~
-project.lock.json
-.DS_Store
-*.pyc
-nupkg/
-
-# Visual Studio Code
-.vscode
-
-# Rider
-.idea
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
 
 # User-specific files
 *.suo
@@ -17,6 +9,9 @@ nupkg/
 *.userosscache
 *.sln.docstates
 
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
 # Build results
 [Dd]ebug/
 [Dd]ebugPublic/
@@ -24,15 +19,312 @@ nupkg/
 [Rr]eleases/
 x64/
 x86/
-build/
 bld/
 [Bb]in/
 [Oo]bj/
-[Oo]ut/
-msbuild.log
-msbuild.err
-msbuild.wrn
+[Ll]og/
 
-# Visual Studio 2015
+# Visual Studio 2015/2017 cache/options directory
 .vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
 
+# Visual Studio 2017 auto generated files
+Generated\ Files/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# Benchmark Results
+BenchmarkDotNet.Artifacts/
+
+# .NET Core
+project.lock.json
+project.fragment.lock.json
+artifacts/
+**/Properties/launchSettings.json
+
+# StyleCop
+StyleCopReport.xml
+
+# Files built by Visual Studio
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.iobj
+*.pch
+*.pdb
+*.ipdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# Visual Studio Trace Files
+*.e2e
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# AxoCover is a Code Coverage Tool
+.axoCover/*
+!.axoCover/settings.json
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# Note: Comment the next line if you want to checkin your web deploy settings,
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/[Pp]ackages/*
+# except build/, which is used as an MSBuild target.
+!**/[Pp]ackages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/[Pp]ackages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+*.appx
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Including strong name files can present a security risk 
+# (https://github.com/github/gitignore/pull/2483#issue-259490424)
+#*.snk
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+ServiceFabricBackup/
+*.rptproj.bak
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+*.rptproj.rsuser
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+
+# CodeRush
+.cr/
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Tabs Studio
+*.tss
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
+
+# OpenCover UI analysis results
+OpenCover/
+
+# Azure Stream Analytics local run output 
+ASALocalRun/
+
+# MSBuild Binary and Structured Log
+*.binlog
+
+# NVidia Nsight GPU debugger configuration file
+*.nvuser
+
+# MFractors (Xamarin productivity tool) working folder 
+.mfractor/

.vscode/launch.json

@@ -0,0 +1,28 @@
+{
+   // Use IntelliSense to find out which attributes exist for C# debugging
+   // Use hover for the description of the existing attributes
+   // For further information visit https://github.com/OmniSharp/omnisharp-vscode/blob/master/debugger-launchjson.md
+   "version": "0.2.0",
+   "configurations": [
+        {
+            "name": ".NET Core Launch (InfoPrint)",
+            "type": "coreclr",
+            "request": "launch",
+            "preLaunchTask": "build",
+            // If you have changed target frameworks, make sure to update the program path.
+            "program": "${workspaceFolder}/InfoPrint/bin/Debug/net9.0/InfoPrint.dll",
+            "args": [],
+            "cwd": "${workspaceFolder}",
+            // For more information about the 'console' field, see https://aka.ms/VSCode-CS-LaunchJson-Console
+            "console": "internalConsole",
+            "stopAtEntry": false,
+            "justMyCode": false
+        },
+        {
+            "name": ".NET Core Attach",
+            "type": "coreclr",
+            "request": "attach",
+            "processId": "${command:pickProcess}"
+        }
+    ]
+}

.vscode/tasks.json

@@ -0,0 +1,24 @@
+{
+    // See https://go.microsoft.com/fwlink/?LinkId=733558
+    // for the documentation about the tasks.json format
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "build",
+            "command": "dotnet",
+            "type": "shell",
+            "args": [
+                "build",
+                // Ask dotnet build to generate full paths for file names.
+                "/property:GenerateFullPaths=true",
+                // Do not generate summary otherwise it leads to duplicate errors in Problems panel
+                "/consoleloggerparameters:NoSummary"
+            ],
+            "group": "build",
+            "presentation": {
+                "reveal": "silent"
+            },
+            "problemMatcher": "$msCompile"
+        }
+    ]
+}

InfoPrint/InfoPrint.csproj

@@ -0,0 +1,33 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFrameworks>net20;net35;net40;net452;net462;net472;net48;netcoreapp3.1;net5.0;net6.0;net7.0;net8.0;net9.0</TargetFrameworks>
+        <OutputType>Exe</OutputType>
+        <CheckEolTargetFramework>false</CheckEolTargetFramework>
+        <IncludeSourceRevisionInInformationalVersion>false</IncludeSourceRevisionInInformationalVersion>
+        <LangVersion>latest</LangVersion>
+        <Nullable>enable</Nullable>
+        <SuppressTfmSupportBuildWarnings>true</SuppressTfmSupportBuildWarnings>
+        <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+        <Version>1.7.4</Version>
+    </PropertyGroup>
+
+    <!-- Support All Frameworks -->
+    <PropertyGroup Condition="$(TargetFramework.StartsWith(`net2`)) OR $(TargetFramework.StartsWith(`net3`)) OR $(TargetFramework.StartsWith(`net4`))">
+        <RuntimeIdentifiers>win-x86;win-x64</RuntimeIdentifiers>
+    </PropertyGroup>
+    <PropertyGroup Condition="$(TargetFramework.StartsWith(`netcoreapp`)) OR $(TargetFramework.StartsWith(`net5`))">
+        <RuntimeIdentifiers>win-x86;win-x64;win-arm64;linux-x64;linux-arm64;osx-x64</RuntimeIdentifiers>
+    </PropertyGroup>
+    <PropertyGroup Condition="$(TargetFramework.StartsWith(`net6`)) OR $(TargetFramework.StartsWith(`net7`)) OR $(TargetFramework.StartsWith(`net8`)) OR $(TargetFramework.StartsWith(`net9`))">
+        <RuntimeIdentifiers>win-x86;win-x64;win-arm64;linux-x64;linux-arm64;osx-x64;osx-arm64</RuntimeIdentifiers>
+    </PropertyGroup>
+    <PropertyGroup Condition="$(RuntimeIdentifier.StartsWith(`osx-arm`))">
+        <TargetFrameworks>net6.0;net7.0;net8.0;net9.0</TargetFrameworks>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <ProjectReference Include="..\SabreTools.Serialization\SabreTools.Serialization.csproj" />
+    </ItemGroup>
+
+</Project>

InfoPrint/Options.cs

@@ -1,7 +1,7 @@
 using System;
 using System.Collections.Generic;
 
-namespace Test
+namespace InfoPrint
 {
     /// <summary>
     /// Set of options for the test executable
@@ -104,15 +104,15 @@ namespace Test
         /// </summary>
         public static void DisplayHelp()
         {
-            Console.WriteLine("SabreTools.Serialization Test Program");
+            Console.WriteLine("Information Printing Program");
             Console.WriteLine();
-            Console.WriteLine("test.exe <options> file|directory ...");
+            Console.WriteLine("infoprint.exe <options> file|directory ...");
             Console.WriteLine();
             Console.WriteLine("Options:");
             Console.WriteLine("-?, -h, --help           Display this help text and quit");
             Console.WriteLine("-d, --debug              Enable debug mode");
 #if NET6_0_OR_GREATER
-            Console.WriteLine("-j, --json               Print executable info as JSON");
+            Console.WriteLine("-j, --json               Print info as JSON");
 #endif
         }
     }

InfoPrint/Program.cs

@@ -4,7 +4,7 @@ using SabreTools.IO.Extensions;
 using SabreTools.Serialization;
 using SabreTools.Serialization.Wrappers;
 
-namespace Test
+namespace InfoPrint
 {
     public static class Program
     {
@@ -17,8 +17,6 @@ namespace Test
             if (options == null)
             {
                 Options.DisplayHelp();
-                Console.WriteLine("Press enter to close the program...");
-                Console.ReadLine();
                 return;
             }
 
@@ -50,11 +48,7 @@ namespace Test
             }
             else if (Directory.Exists(path))
             {
-#if NET20 || NET35
-                foreach (string file in Directory.GetFiles(path, "*", SearchOption.AllDirectories))
-#else
-                foreach (string file in Directory.EnumerateFiles(path, "*", SearchOption.AllDirectories))
-#endif
+                foreach (string file in IOExtensions.SafeEnumerateFiles(path, "*", SearchOption.AllDirectories))
                 {
                     PrintFileInfo(file, json, debug);
                 }

README.MD

@@ -4,6 +4,12 @@ This library comprises of serializers that both read and write from files and st
 
 Find the link to the Nuget package [here](https://www.nuget.org/packages/SabreTools.Serialization).
 
+## Releases
+
+For the most recent stable build, download the latest release here: [Releases Page](https://github.com/SabreTools/SabreTools.Serialization/releases)
+
+For the latest WIP build here: [Rolling Release](https://github.com/SabreTools/SabreTools.Serialization/releases/tag/rolling)
+
 ## Interfaces
 
 Below is a table representing the various conversion interfaces that are implemented within this library.

SabreTools.Serialization.Test/MetadataDeserializationTests.cs

@@ -31,13 +31,9 @@ namespace SabreTools.Serialization.Test
             Assert.Equal(count, dat.File.Length);
 
             // Validate we're not missing any attributes or elements
-            Assert.Null(dat.ADDITIONAL_ATTRIBUTES);
-            Assert.Null(dat.ADDITIONAL_ELEMENTS);
             foreach (var file in dat.File)
             {
                 Assert.NotNull(file);
-                Assert.Null(file.ADDITIONAL_ATTRIBUTES);
-                Assert.Null(file.ADDITIONAL_ELEMENTS);
             }
         }
 
@@ -59,7 +55,6 @@ namespace SabreTools.Serialization.Test
             foreach (var file in dat.Row)
             {
                 Assert.NotNull(file);
-                Assert.Null(file.ADDITIONAL_ELEMENTS);
             }
         }
 
@@ -76,103 +71,12 @@ namespace SabreTools.Serialization.Test
 
             // Validate the values
             if (expectHeader)
-            {
                 Assert.NotNull(dat?.ClrMamePro);
-                Assert.Null(dat.ClrMamePro.ADDITIONAL_ELEMENTS);
-            }
             else
-            {
                 Assert.Null(dat?.ClrMamePro);
-            }
 
             Assert.NotNull(dat?.Game);
             Assert.Equal(count, dat.Game.Length);
-
-            // Validate we're not missing any attributes or elements
-            Assert.NotNull(dat?.ADDITIONAL_ELEMENTS);
-            Assert.Empty(dat.ADDITIONAL_ELEMENTS);
-            foreach (var game in dat.Game)
-            {
-                Assert.NotNull(game?.ADDITIONAL_ELEMENTS);
-                Assert.Empty(game.ADDITIONAL_ELEMENTS);
-                foreach (var release in game.Release ?? Array.Empty<Models.ClrMamePro.Release>())
-                {
-                    Assert.NotNull(release?.ADDITIONAL_ELEMENTS);
-                    Assert.Empty(release.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var biosset in game.BiosSet ?? Array.Empty<Models.ClrMamePro.BiosSet>())
-                {
-                    Assert.NotNull(biosset?.ADDITIONAL_ELEMENTS);
-                    Assert.Empty(biosset.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var rom in game.Rom ?? Array.Empty<Models.ClrMamePro.Rom>())
-                {
-                    Assert.NotNull(rom?.ADDITIONAL_ELEMENTS);
-                    Assert.Empty(rom.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var disk in game.Disk ?? Array.Empty<Models.ClrMamePro.Disk>())
-                {
-                    Assert.NotNull(disk?.ADDITIONAL_ELEMENTS);
-                    Assert.Empty(disk.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var media in game.Media ?? Array.Empty<Models.ClrMamePro.Media>())
-                {
-                    Assert.NotNull(media?.ADDITIONAL_ELEMENTS);
-                    Assert.Empty(media.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var sample in game.Sample ?? Array.Empty<Models.ClrMamePro.Sample>())
-                {
-                    Assert.NotNull(sample?.ADDITIONAL_ELEMENTS);
-                    Assert.Empty(sample.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var archive in game.Archive ?? Array.Empty<Models.ClrMamePro.Archive>())
-                {
-                    Assert.NotNull(archive?.ADDITIONAL_ELEMENTS);
-                    Assert.Empty(archive.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var chip in game.Chip ?? Array.Empty<Models.ClrMamePro.Chip>())
-                {
-                    Assert.NotNull(chip?.ADDITIONAL_ELEMENTS);
-                    Assert.Empty(chip.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var video in game.Video ?? Array.Empty<Models.ClrMamePro.Video>())
-                {
-                    Assert.NotNull(video?.ADDITIONAL_ELEMENTS);
-                    Assert.Empty(video.ADDITIONAL_ELEMENTS);
-                }
-
-                if (game.Sound != null)
-                {
-                    Assert.NotNull(game.Sound?.ADDITIONAL_ELEMENTS);
-                    Assert.Empty(game.Sound.ADDITIONAL_ELEMENTS);
-                }
-
-                if (game.Input != null)
-                {
-                    Assert.NotNull(game.Input?.ADDITIONAL_ELEMENTS);
-                    Assert.Empty(game.Input.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var dipswitch in game.DipSwitch ?? Array.Empty<Models.ClrMamePro.DipSwitch>())
-                {
-                    Assert.NotNull(dipswitch?.ADDITIONAL_ELEMENTS);
-                    Assert.Empty(dipswitch.ADDITIONAL_ELEMENTS);
-                }
-
-                if (game.Driver != null)
-                {
-                    Assert.NotNull(game.Driver?.ADDITIONAL_ELEMENTS);
-                    Assert.Empty(game.Driver.ADDITIONAL_ELEMENTS);
-                }
-            }
         }
 
         [Theory]
@@ -192,23 +96,9 @@ namespace SabreTools.Serialization.Test
             Assert.NotNull(dat?.Game);
             Assert.Equal(count, dat.Game.Length);
 
-            // Validate we're not missing any attributes or elements
-            Assert.NotNull(dat?.ADDITIONAL_ELEMENTS);
-            Assert.Empty(dat.ADDITIONAL_ELEMENTS);
-
-            Assert.NotNull(dat.DosCenter?.ADDITIONAL_ELEMENTS);
-            Assert.Empty(dat.DosCenter.ADDITIONAL_ELEMENTS);
             foreach (var game in dat.Game)
             {
-                Assert.NotNull(game?.ADDITIONAL_ELEMENTS);
-                Assert.Empty(game.ADDITIONAL_ELEMENTS);
-
                 Assert.NotNull(game.File);
-                foreach (var file in game.File)
-                {
-                    Assert.NotNull(file?.ADDITIONAL_ELEMENTS);
-                    Assert.Empty(file.ADDITIONAL_ELEMENTS);
-                }
             }
         }
 
@@ -225,20 +115,10 @@ namespace SabreTools.Serialization.Test
             // Validate the values
             Assert.NotNull(dat?.Row);
             Assert.Equal(count, dat.Row.Length);
-
-            // Validate we're not missing any attributes or elements
-            foreach (var file in dat.Row)
-            {
-                Assert.Null(file.ADDITIONAL_ELEMENTS);
-            }
         }
 
         [Theory]
         [InlineData("test-sfv-files.sfv", HashType.CRC32, 100)]
-        [InlineData("test-sfv-files.sfv", HashType.CRC32_ISO, 100)]
-        [InlineData("test-sfv-files.sfv", HashType.CRC32_Naive, 100)]
-        [InlineData("test-sfv-files.sfv", HashType.CRC32_Optimized, 100)]
-        [InlineData("test-sfv-files.sfv", HashType.CRC32_Parallel, 100)]
         [InlineData("test-md5-files.md5", HashType.MD5, 100)]
         [InlineData("test-sha1-files.sha1", HashType.SHA1, 100)]
         [InlineData("test-sha256.sha256", HashType.SHA256, 1)]
@@ -259,10 +139,6 @@ namespace SabreTools.Serialization.Test
             switch (hash)
             {
                 case HashType.CRC32:
-                case HashType.CRC32_ISO:
-                case HashType.CRC32_Naive:
-                case HashType.CRC32_Optimized:
-                case HashType.CRC32_Parallel:
                     Assert.NotNull(dat.SFV);
                     Assert.Equal(count, dat.SFV.Length);
                     break;
@@ -308,10 +184,6 @@ namespace SabreTools.Serialization.Test
             // Validate the values
             Assert.NotNull(dat?.Set);
             Assert.Equal(count, dat.Set.Length);
-
-            // Validate we're not missing any attributes or elements
-            Assert.NotNull(dat.ADDITIONAL_ELEMENTS);
-            Assert.Empty(dat.ADDITIONAL_ELEMENTS);
         }
 
         [Theory]
@@ -328,219 +200,6 @@ namespace SabreTools.Serialization.Test
             // Validate the values
             Assert.NotNull(dat?.Game);
             Assert.Equal(count, dat.Game.Length);
-
-            // Validate we're not missing any attributes or elements
-            Assert.Null(dat.ADDITIONAL_ATTRIBUTES);
-            Assert.Null(dat.ADDITIONAL_ELEMENTS);
-            foreach (var game in dat.Game)
-            {
-                Assert.Null(game.ADDITIONAL_ATTRIBUTES);
-                Assert.Null(game.ADDITIONAL_ELEMENTS);
-
-                foreach (var biosset in game.BiosSet ?? Array.Empty<Models.Listxml.BiosSet>())
-                {
-                    Assert.Null(biosset.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(biosset.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var rom in game.Rom ?? Array.Empty<Models.Listxml.Rom>())
-                {
-                    Assert.Null(rom.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(rom.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var disk in game.Disk ?? Array.Empty<Models.Listxml.Disk>())
-                {
-                    Assert.Null(disk.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(disk.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var deviceRef in game.DeviceRef ?? Array.Empty<Models.Listxml.DeviceRef>())
-                {
-                    Assert.Null(deviceRef.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(deviceRef.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var sample in game.Sample ?? Array.Empty<Models.Listxml.Sample>())
-                {
-                    Assert.Null(sample.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(sample.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var chip in game.Chip ?? Array.Empty<Models.Listxml.Chip>())
-                {
-                    Assert.Null(chip.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(chip.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var display in game.Display ?? Array.Empty<Models.Listxml.Display>())
-                {
-                    Assert.Null(display.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(display.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var video in game.Video ?? Array.Empty<Models.Listxml.Video>())
-                {
-                    Assert.Null(video.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(video.ADDITIONAL_ELEMENTS);
-                }
-
-                if (game.Sound != null)
-                {
-                    Assert.Null(game.Sound.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(game.Sound.ADDITIONAL_ELEMENTS);
-                }
-
-                if (game.Input != null)
-                {
-                    Assert.Null(game.Input.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(game.Input.ADDITIONAL_ELEMENTS);
-
-                    foreach (var control in game.Input.Control ?? Array.Empty<Models.Listxml.Control>())
-                    {
-                        Assert.Null(control.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(control.ADDITIONAL_ELEMENTS);
-                    }
-                }
-
-                foreach (var dipswitch in game.DipSwitch ?? Array.Empty<Models.Listxml.DipSwitch>())
-                {
-                    Assert.Null(dipswitch.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(dipswitch.ADDITIONAL_ELEMENTS);
-
-                    if (dipswitch.Condition != null)
-                    {
-                        Assert.Null(dipswitch.Condition.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(dipswitch.Condition.ADDITIONAL_ELEMENTS);
-                    }
-
-                    foreach (var diplocation in dipswitch.DipLocation ?? Array.Empty<Models.Listxml.DipLocation>())
-                    {
-                        Assert.Null(diplocation.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(diplocation.ADDITIONAL_ELEMENTS);
-                    }
-
-                    foreach (var dipvalue in dipswitch.DipValue ?? Array.Empty<Models.Listxml.DipValue>())
-                    {
-                        Assert.Null(dipvalue.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(dipvalue.ADDITIONAL_ELEMENTS);
-
-                        if (dipvalue.Condition != null)
-                        {
-                            Assert.Null(dipvalue.Condition.ADDITIONAL_ATTRIBUTES);
-                            Assert.Null(dipvalue.Condition.ADDITIONAL_ELEMENTS);
-                        }
-                    }
-                }
-
-                foreach (var configuration in game.Configuration ?? Array.Empty<Models.Listxml.Configuration>())
-                {
-                    Assert.Null(configuration.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(configuration.ADDITIONAL_ELEMENTS);
-
-                    if (configuration.Condition != null)
-                    {
-                        Assert.Null(configuration.Condition.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(configuration.Condition.ADDITIONAL_ELEMENTS);
-                    }
-
-                    foreach (var conflocation in configuration.ConfLocation ?? Array.Empty<Models.Listxml.ConfLocation>())
-                    {
-                        Assert.Null(conflocation.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(conflocation.ADDITIONAL_ELEMENTS);
-                    }
-
-                    foreach (var confsetting in configuration.ConfSetting ?? Array.Empty<Models.Listxml.ConfSetting>())
-                    {
-                        Assert.Null(confsetting.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(confsetting.ADDITIONAL_ELEMENTS);
-
-                        if (confsetting.Condition != null)
-                        {
-                            Assert.Null(confsetting.Condition.ADDITIONAL_ATTRIBUTES);
-                            Assert.Null(confsetting.Condition.ADDITIONAL_ELEMENTS);
-                        }
-                    }
-                }
-
-                foreach (var port in game.Port ?? Array.Empty<Models.Listxml.Port>())
-                {
-                    Assert.Null(port.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(port.ADDITIONAL_ELEMENTS);
-
-                    foreach (var analog in port.Analog ?? Array.Empty<Models.Listxml.Analog>())
-                    {
-                        Assert.Null(analog.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(analog.ADDITIONAL_ELEMENTS);
-                    }
-                }
-
-                foreach (var adjuster in game.Adjuster ?? Array.Empty<Models.Listxml.Adjuster>())
-                {
-                    Assert.Null(adjuster.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(adjuster.ADDITIONAL_ELEMENTS);
-
-                    if (adjuster.Condition != null)
-                    {
-                        Assert.Null(adjuster.Condition.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(adjuster.Condition.ADDITIONAL_ELEMENTS);
-                    }
-                }
-
-                if (game.Driver != null)
-                {
-                    Assert.Null(game.Driver.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(game.Driver.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var feature in game.Feature ?? Array.Empty<Models.Listxml.Feature>())
-                {
-                    Assert.Null(feature.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(feature.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var device in game.Device ?? Array.Empty<Models.Listxml.Device>())
-                {
-                    Assert.Null(device.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(device.ADDITIONAL_ELEMENTS);
-
-                    if (device.Instance != null)
-                    {
-                        Assert.Null(device.Instance.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(device.Instance.ADDITIONAL_ELEMENTS);
-                    }
-
-                    foreach (var extension in device.Extension ?? Array.Empty<Models.Listxml.Extension>())
-                    {
-                        Assert.Null(extension.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(extension.ADDITIONAL_ELEMENTS);
-                    }
-                }
-
-                foreach (var slot in game.Slot ?? Array.Empty<Models.Listxml.Slot>())
-                {
-                    Assert.Null(slot.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(slot.ADDITIONAL_ELEMENTS);
-
-                    foreach (var slotoption in slot.SlotOption ?? Array.Empty<Models.Listxml.SlotOption>())
-                    {
-                        Assert.Null(slotoption.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(slotoption.ADDITIONAL_ELEMENTS);
-                    }
-                }
-
-                foreach (var softwarelist in game.SoftwareList ?? Array.Empty<Models.Listxml.SoftwareList>())
-                {
-                    Assert.Null(softwarelist.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(softwarelist.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var ramoption in game.RamOption ?? Array.Empty<Models.Listxml.RamOption>())
-                {
-                    Assert.Null(ramoption.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(ramoption.ADDITIONAL_ELEMENTS);
-                }
-            }
         }
 
         [Theory]
@@ -557,180 +216,6 @@ namespace SabreTools.Serialization.Test
             // Validate the values
             Assert.NotNull(dat?.Game);
             Assert.Equal(count, dat.Game.Length);
-
-            // Validate we're not missing any attributes or elements
-            Assert.Null(dat.ADDITIONAL_ATTRIBUTES);
-            Assert.Null(dat.ADDITIONAL_ELEMENTS);
-            if (dat.Header != null)
-            {
-                var header = dat.Header;
-                Assert.Null(header.ADDITIONAL_ATTRIBUTES);
-                Assert.Null(header.ADDITIONAL_ELEMENTS);
-
-                if (header.ClrMamePro != null)
-                {
-                    var cmp = header.ClrMamePro;
-                    Assert.Null(cmp.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(cmp.ADDITIONAL_ELEMENTS);
-                }
-
-                if (header.RomCenter != null)
-                {
-                    var rc = header.RomCenter;
-                    Assert.Null(rc.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(rc.ADDITIONAL_ELEMENTS);
-                }
-            }
-
-            foreach (var game in dat.Game)
-            {
-                Assert.Null(game.ADDITIONAL_ATTRIBUTES);
-                Assert.Null(game.ADDITIONAL_ELEMENTS);
-
-                foreach (var item in game.Release ?? Array.Empty<Models.Logiqx.Release>())
-                {
-                    Assert.Null(item.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(item.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var item in game.BiosSet ?? Array.Empty<Models.Logiqx.BiosSet>())
-                {
-                    Assert.Null(item.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(item.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var item in game.Rom ?? Array.Empty<Models.Logiqx.Rom>())
-                {
-                    Assert.Null(item.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(item.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var item in game.Disk ?? Array.Empty<Models.Logiqx.Disk>())
-                {
-                    Assert.Null(item.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(item.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var item in game.Media ?? Array.Empty<Models.Logiqx.Media>())
-                {
-                    Assert.Null(item.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(item.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var item in game.DeviceRef ?? Array.Empty<Models.Logiqx.DeviceRef>())
-                {
-                    Assert.Null(item.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(item.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var item in game.Sample ?? Array.Empty<Models.Logiqx.Sample>())
-                {
-                    Assert.Null(item.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(item.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var item in game.Archive ?? Array.Empty<Models.Logiqx.Archive>())
-                {
-                    Assert.Null(item.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(item.ADDITIONAL_ELEMENTS);
-                }
-
-                if (game.Driver != null)
-                {
-                    Assert.Null(game.Driver.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(game.Driver.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var item in game.SoftwareList ?? Array.Empty<Models.Logiqx.SoftwareList>())
-                {
-                    Assert.Null(item.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(item.ADDITIONAL_ELEMENTS);
-                }
-
-                if (game.Trurip != null)
-                {
-                    var trurip = game.Trurip;
-                    Assert.Null(trurip.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(trurip.ADDITIONAL_ELEMENTS);
-                }
-            }
-
-            foreach (var dir in dat.Dir ?? Array.Empty<Models.Logiqx.Dir>())
-            {
-                Assert.NotNull(dir.Game);
-                foreach (var game in dir.Game)
-                {
-                    Assert.Null(game.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(game.ADDITIONAL_ELEMENTS);
-
-                    foreach (var item in game.Release ?? Array.Empty<Models.Logiqx.Release>())
-                    {
-                        Assert.Null(item.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(item.ADDITIONAL_ELEMENTS);
-                    }
-
-                    foreach (var item in game.BiosSet ?? Array.Empty<Models.Logiqx.BiosSet>())
-                    {
-                        Assert.Null(item.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(item.ADDITIONAL_ELEMENTS);
-                    }
-
-                    foreach (var item in game.Rom ?? Array.Empty<Models.Logiqx.Rom>())
-                    {
-                        Assert.Null(item.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(item.ADDITIONAL_ELEMENTS);
-                    }
-
-                    foreach (var item in game.Disk ?? Array.Empty<Models.Logiqx.Disk>())
-                    {
-                        Assert.Null(item.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(item.ADDITIONAL_ELEMENTS);
-                    }
-
-                    foreach (var item in game.Media ?? Array.Empty<Models.Logiqx.Media>())
-                    {
-                        Assert.Null(item.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(item.ADDITIONAL_ELEMENTS);
-                    }
-
-                    foreach (var item in game.DeviceRef ?? Array.Empty<Models.Logiqx.DeviceRef>())
-                    {
-                        Assert.Null(item.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(item.ADDITIONAL_ELEMENTS);
-                    }
-
-                    foreach (var item in game.Sample ?? Array.Empty<Models.Logiqx.Sample>())
-                    {
-                        Assert.Null(item.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(item.ADDITIONAL_ELEMENTS);
-                    }
-
-                    foreach (var item in game.Archive ?? Array.Empty<Models.Logiqx.Archive>())
-                    {
-                        Assert.Null(item.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(item.ADDITIONAL_ELEMENTS);
-                    }
-
-                    if (game.Driver != null)
-                    {
-                        Assert.Null(game.Driver.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(game.Driver.ADDITIONAL_ELEMENTS);
-                    }
-
-                    foreach (var item in game.SoftwareList ?? Array.Empty<Models.Logiqx.SoftwareList>())
-                    {
-                        Assert.Null(item.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(item.ADDITIONAL_ELEMENTS);
-                    }
-
-                    if (game.Trurip != null)
-                    {
-                        var trurip = game.Trurip;
-                        Assert.Null(trurip.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(trurip.ADDITIONAL_ELEMENTS);
-                    }
-                }
-            }
         }
 
         [Theory]
@@ -746,196 +231,6 @@ namespace SabreTools.Serialization.Test
             // Validate the values
             Assert.NotNull(dat?.Games?.Game);
             Assert.Equal(count, dat.Games.Game.Length);
-
-            // Validate we're not missing any attributes or elements
-            Assert.Null(dat.ADDITIONAL_ATTRIBUTES);
-            Assert.Null(dat.ADDITIONAL_ELEMENTS);
-            if (dat.Configuration != null)
-            {
-                var configuration = dat.Configuration;
-                Assert.Null(configuration.ADDITIONAL_ATTRIBUTES);
-                Assert.Null(configuration.ADDITIONAL_ELEMENTS);
-
-                if (configuration.Infos != null)
-                {
-                    var infos = configuration.Infos;
-                    Assert.Null(infos.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(infos.ADDITIONAL_ELEMENTS);
-
-                    if (infos.Title != null)
-                    {
-                        var title = infos.Title;
-                        Assert.Null(title.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(title.ADDITIONAL_ELEMENTS);
-                    }
-
-                    if (infos.Location != null)
-                    {
-                        var location = infos.Location;
-                        Assert.Null(location.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(location.ADDITIONAL_ELEMENTS);
-                    }
-
-                    if (infos.Publisher != null)
-                    {
-                        var publisher = infos.Publisher;
-                        Assert.Null(publisher.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(publisher.ADDITIONAL_ELEMENTS);
-                    }
-
-                    if (infos.SourceRom != null)
-                    {
-                        var sourceRom = infos.SourceRom;
-                        Assert.Null(sourceRom.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(sourceRom.ADDITIONAL_ELEMENTS);
-                    }
-
-                    if (infos.SaveType != null)
-                    {
-                        var saveType = infos.SaveType;
-                        Assert.Null(saveType.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(saveType.ADDITIONAL_ELEMENTS);
-                    }
-
-                    if (infos.RomSize != null)
-                    {
-                        var romSize = infos.RomSize;
-                        Assert.Null(romSize.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(romSize.ADDITIONAL_ELEMENTS);
-                    }
-
-                    if (infos.ReleaseNumber != null)
-                    {
-                        var releaseNumber = infos.ReleaseNumber;
-                        Assert.Null(releaseNumber.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(releaseNumber.ADDITIONAL_ELEMENTS);
-                    }
-
-                    if (infos.LanguageNumber != null)
-                    {
-                        var languageNumber = infos.LanguageNumber;
-                        Assert.Null(languageNumber.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(languageNumber.ADDITIONAL_ELEMENTS);
-                    }
-
-                    if (infos.Comment != null)
-                    {
-                        var comment = infos.Comment;
-                        Assert.Null(comment.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(comment.ADDITIONAL_ELEMENTS);
-                    }
-
-                    if (infos.RomCRC != null)
-                    {
-                        var romCRC = infos.RomCRC;
-                        Assert.Null(romCRC.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(romCRC.ADDITIONAL_ELEMENTS);
-                    }
-
-                    if (infos.Im1CRC != null)
-                    {
-                        var im1CRC = infos.Im1CRC;
-                        Assert.Null(im1CRC.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(im1CRC.ADDITIONAL_ELEMENTS);
-                    }
-
-                    if (infos.Im2CRC != null)
-                    {
-                        var im2CRC = infos.Im2CRC;
-                        Assert.Null(im2CRC.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(im2CRC.ADDITIONAL_ELEMENTS);
-                    }
-
-                    if (infos.Languages != null)
-                    {
-                        var languages = infos.Languages;
-                        Assert.Null(languages.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(languages.ADDITIONAL_ELEMENTS);
-                    }
-                }
-
-                if (configuration.CanOpen != null)
-                {
-                    var canOpen = configuration.CanOpen;
-                    Assert.Null(canOpen.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(canOpen.ADDITIONAL_ELEMENTS);
-                }
-
-                if (configuration.NewDat != null)
-                {
-                    var newDat = configuration.NewDat;
-                    Assert.Null(newDat.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(newDat.ADDITIONAL_ELEMENTS);
-
-                    if (newDat.DatUrl != null)
-                    {
-                        var datURL = newDat.DatUrl;
-                        Assert.Null(datURL.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(datURL.ADDITIONAL_ELEMENTS);
-                    }
-                }
-
-                if (configuration.Search != null)
-                {
-                    var search = configuration.Search;
-                    Assert.Null(search.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(search.ADDITIONAL_ELEMENTS);
-
-                    foreach (var to in search.To ?? Array.Empty<Models.OfflineList.To>())
-                    {
-                        Assert.Null(to.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(to.ADDITIONAL_ELEMENTS);
-
-                        foreach (var find in to.Find ?? Array.Empty<Models.OfflineList.Find>())
-                        {
-                            Assert.Null(find.ADDITIONAL_ATTRIBUTES);
-                            Assert.Null(find.ADDITIONAL_ELEMENTS);
-                        }
-                    }
-                }
-            }
-
-            Assert.Null(dat.Games.ADDITIONAL_ATTRIBUTES);
-            Assert.Null(dat.Games.ADDITIONAL_ELEMENTS);
-
-            foreach (var game in dat.Games.Game)
-            {
-                Assert.Null(game.ADDITIONAL_ATTRIBUTES);
-                //Assert.Null(game.ADDITIONAL_ELEMENTS); // TODO: Re-enable line when Models is fixed again
-
-                if (game.Files != null)
-                {
-                    var files = game.Files;
-                    Assert.Null(files.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(files.ADDITIONAL_ELEMENTS);
-
-                    foreach (var romCRC in files.RomCRC ?? Array.Empty<Models.OfflineList.FileRomCRC>())
-                    {
-                        Assert.Null(romCRC.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(romCRC.ADDITIONAL_ELEMENTS);
-                    }
-                }
-            }
-
-            if (dat.GUI != null)
-            {
-                var gui = dat.GUI;
-                Assert.Null(gui.ADDITIONAL_ATTRIBUTES);
-                Assert.Null(gui.ADDITIONAL_ELEMENTS);
-
-                if (gui.Images != null)
-                {
-                    var images = gui.Images;
-                    Assert.Null(images.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(images.ADDITIONAL_ELEMENTS);
-
-                    foreach (var image in images.Image ?? Array.Empty<Models.OfflineList.Image>())
-                    {
-                        Assert.Null(image.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(image.ADDITIONAL_ELEMENTS);
-                    }
-                }
-            }
         }
 
         [Theory]
@@ -952,33 +247,6 @@ namespace SabreTools.Serialization.Test
             Assert.NotNull(dat);
             Assert.NotNull(dat.Software);
             Assert.Equal(count, dat.Software.Length);
-
-            // Validate we're not missing any attributes or elements
-            Assert.Null(dat.ADDITIONAL_ATTRIBUTES);
-            Assert.Null(dat.ADDITIONAL_ELEMENTS);
-            foreach (var software in dat.Software)
-            {
-                Assert.Null(software.ADDITIONAL_ATTRIBUTES);
-                Assert.Null(software.ADDITIONAL_ELEMENTS);
-
-                foreach (var dump in software.Dump ?? Array.Empty<Models.OpenMSX.Dump>())
-                {
-                    Assert.Null(dump.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(dump.ADDITIONAL_ELEMENTS);
-
-                    if (dump.Original != null)
-                    {
-                        Assert.Null(dump.Original.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(dump.Original.ADDITIONAL_ELEMENTS);
-                    }
-
-                    if (dump.Rom != null)
-                    {
-                        Assert.Null(dump.Rom.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(dump.Rom.ADDITIONAL_ELEMENTS);
-                    }
-                }
-            }
         }
 
         [Theory]
@@ -994,37 +262,6 @@ namespace SabreTools.Serialization.Test
             // Validate the values
             Assert.NotNull(dat?.Games?.Rom);
             Assert.Equal(count, dat.Games.Rom.Length);
-
-            // Validate we're not missing any attributes or elements
-            Assert.NotNull(dat.ADDITIONAL_ELEMENTS);
-            Assert.Empty(dat.ADDITIONAL_ELEMENTS);
-            if (dat.Credits != null)
-            {
-                Assert.NotNull(dat.Credits.ADDITIONAL_ELEMENTS);
-                Assert.Empty(dat.Credits.ADDITIONAL_ELEMENTS);
-            }
-
-            if (dat.Dat != null)
-            {
-                Assert.NotNull(dat.Dat.ADDITIONAL_ELEMENTS);
-                Assert.Empty(dat.Dat.ADDITIONAL_ELEMENTS);
-            }
-
-            if (dat.Emulator != null)
-            {
-                Assert.NotNull(dat.Emulator.ADDITIONAL_ELEMENTS);
-                Assert.Empty(dat.Emulator.ADDITIONAL_ELEMENTS);
-            }
-
-            if (dat.Games != null)
-            {
-                Assert.NotNull(dat.Games.ADDITIONAL_ELEMENTS);
-                Assert.Empty(dat.Games.ADDITIONAL_ELEMENTS);
-                foreach (var rom in dat.Games.Rom ?? Array.Empty<Models.RomCenter.Rom>())
-                {
-                    Assert.Null(rom.ADDITIONAL_ELEMENTS);
-                }
-            }
         }
 
         [Theory]
@@ -1045,12 +282,6 @@ namespace SabreTools.Serialization.Test
             // Validate the values
             Assert.NotNull(dat?.Row);
             Assert.Equal(count, dat.Row.Length);
-
-            // Validate we're not missing any attributes or elements
-            foreach (var rom in dat.Row ?? Array.Empty<Models.SeparatedValue.Row>())
-            {
-                Assert.Null(rom.ADDITIONAL_ELEMENTS);
-            }
         }
 
         [Theory]
@@ -1069,77 +300,8 @@ namespace SabreTools.Serialization.Test
             Assert.NotNull(dat);
             Assert.NotNull(dat.Software);
             Assert.Equal(count, dat.Software.Length);
-
-            // Validate we're not missing any attributes or elements
-            Assert.Null(dat.ADDITIONAL_ATTRIBUTES);
-            Assert.Null(dat.ADDITIONAL_ELEMENTS);
-            foreach (var software in dat.Software)
-            {
-                Assert.Null(software.ADDITIONAL_ATTRIBUTES);
-                Assert.Null(software.ADDITIONAL_ELEMENTS);
-
-                foreach (var info in software.Info ?? Array.Empty<Models.SoftwareList.Info>())
-                {
-                    Assert.Null(info.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(info.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var sharedfeat in software.SharedFeat ?? Array.Empty<Models.SoftwareList.SharedFeat>())
-                {
-                    Assert.Null(sharedfeat.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(sharedfeat.ADDITIONAL_ELEMENTS);
-                }
-
-                foreach (var part in software.Part ?? Array.Empty<Models.SoftwareList.Part>())
-                {
-                    Assert.Null(part.ADDITIONAL_ATTRIBUTES);
-                    Assert.Null(part.ADDITIONAL_ELEMENTS);
-
-                    foreach (var feature in part.Feature ?? Array.Empty<Models.SoftwareList.Feature>())
-                    {
-                        Assert.Null(feature.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(feature.ADDITIONAL_ELEMENTS);
-                    }
-
-                    foreach (var dataarea in part.DataArea ?? Array.Empty<Models.SoftwareList.DataArea>())
-                    {
-                        Assert.Null(dataarea.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(dataarea.ADDITIONAL_ELEMENTS);
-
-                        foreach (var rom in dataarea.Rom ?? Array.Empty<Models.SoftwareList.Rom>())
-                        {
-                            Assert.Null(rom.ADDITIONAL_ATTRIBUTES);
-                            Assert.Null(rom.ADDITIONAL_ELEMENTS);
-                        }
-                    }
-
-                    foreach (var diskarea in part.DiskArea ?? Array.Empty<Models.SoftwareList.DiskArea>())
-                    {
-                        Assert.Null(diskarea.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(diskarea.ADDITIONAL_ELEMENTS);
-
-                        foreach (var disk in diskarea.Disk ?? Array.Empty<Models.SoftwareList.Disk>())
-                        {
-                            Assert.Null(disk.ADDITIONAL_ATTRIBUTES);
-                            Assert.Null(disk.ADDITIONAL_ELEMENTS);
-                        }
-                    }
-
-                    foreach (var dipswitch in part.DipSwitch ?? Array.Empty<Models.SoftwareList.DipSwitch>())
-                    {
-                        Assert.Null(dipswitch.ADDITIONAL_ATTRIBUTES);
-                        Assert.Null(dipswitch.ADDITIONAL_ELEMENTS);
-
-                        foreach (var dipvalue in dipswitch.DipValue ?? Array.Empty<Models.SoftwareList.DipValue>())
-                        {
-                            Assert.Null(dipvalue.ADDITIONAL_ATTRIBUTES);
-                            Assert.Null(dipvalue.ADDITIONAL_ELEMENTS);
-                        }
-                    }
-                }
-            }
         }
-    
+
         /// <summary>
         /// Get the path to the test file
         /// </summary>

SabreTools.Serialization.Test/MetadataSerializationTests.cs

@@ -63,9 +63,9 @@ namespace SabreTools.Serialization.Test
 
             var dump = new Models.OpenMSX.Dump[]
             {
-                new Models.OpenMSX.Dump { Original = original, Rom = rom },
-                new Models.OpenMSX.Dump { Rom = megaRom },
-                new Models.OpenMSX.Dump { Rom = sccPlusCart },
+                new() { Original = original, Rom = rom },
+                new() { Rom = megaRom },
+                new() { Rom = sccPlusCart },
             };
 
             var software = new Models.OpenMSX.Software

SabreTools.Serialization.Test/SabreTools.Serialization.Test.csproj

@@ -1,38 +1,38 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
-  <PropertyGroup>
-    <TargetFrameworks>net6.0;net8.0</TargetFrameworks>
-    <IsPackable>false</IsPackable>
-    <LangVersion>latest</LangVersion>
-    <Nullable>enable</Nullable>
-  </PropertyGroup>
+    <PropertyGroup>
+        <TargetFrameworks>net6.0;net8.0;net9.0</TargetFrameworks>
+        <IsPackable>false</IsPackable>
+        <LangVersion>latest</LangVersion>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
 
-  <ItemGroup>
-    <ProjectReference Include="..\SabreTools.Serialization\SabreTools.Serialization.csproj" />
-  </ItemGroup>
+    <ItemGroup>
+        <ProjectReference Include="..\SabreTools.Serialization\SabreTools.Serialization.csproj" />
+    </ItemGroup>
 
-  <ItemGroup>
-    <None Remove="TestData\*" />
-  </ItemGroup>
+    <ItemGroup>
+        <None Remove="TestData\*" />
+    </ItemGroup>
 
-  <ItemGroup>
-    <Content Include="TestData\*">
-      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-    </Content>
-  </ItemGroup>
+    <ItemGroup>
+        <Content Include="TestData\*">
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+        </Content>
+    </ItemGroup>
 
-  <ItemGroup>
-    <PackageReference Include="coverlet.collector" Version="6.0.2">
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-      <PrivateAssets>all</PrivateAssets>
-    </PackageReference>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
-    <PackageReference Include="SabreTools.Models" Version="1.4.8" />
-    <PackageReference Include="xunit" Version="2.8.0" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.0">
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-      <PrivateAssets>all</PrivateAssets>
-    </PackageReference>
-  </ItemGroup>
+    <ItemGroup>
+        <PackageReference Include="coverlet.collector" Version="6.0.2">
+            <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+            <PrivateAssets>all</PrivateAssets>
+        </PackageReference>
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+        <PackageReference Include="SabreTools.Models" Version="1.5.1" />
+        <PackageReference Include="xunit" Version="2.9.2" />
+        <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2">
+            <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+            <PrivateAssets>all</PrivateAssets>
+        </PackageReference>
+    </ItemGroup>
 
-</Project>
+</Project>

SabreTools.Serialization.sln

@@ -5,7 +5,7 @@ VisualStudioVersion = 17.0.31903.59
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SabreTools.Serialization", "SabreTools.Serialization\SabreTools.Serialization.csproj", "{5B688801-5F36-483E-B2E8-F219BA5923A2}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Test", "Test\Test.csproj", "{F3DEE31A-4726-464C-A90C-C19D78F51898}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "InfoPrint", "InfoPrint\InfoPrint.csproj", "{F3DEE31A-4726-464C-A90C-C19D78F51898}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SabreTools.Serialization.Test", "SabreTools.Serialization.Test\SabreTools.Serialization.Test.csproj", "{B8A04C5E-A14F-4842-9035-2F6871A1DA10}"
 EndProject

SabreTools.Serialization/CrossModel/ArchiveDotOrg.Deserializer.cs

@@ -1,6 +1,5 @@
 using System;
-using System.Linq;
-using SabreTools.Models.ArchiveDotOrg;
+using System.Collections.Generic;
 using SabreTools.Serialization.Interfaces;
 
 namespace SabreTools.Serialization.CrossModel
@@ -16,14 +15,13 @@ namespace SabreTools.Serialization.CrossModel
             var files = new Models.ArchiveDotOrg.Files();
 
             var machines = obj.Read<Models.Metadata.Machine[]>(Models.Metadata.MetadataFile.MachineKey);
-            if (machines != null && machines.Any())
+            var items = new List<Models.ArchiveDotOrg.File>();
+            foreach (var machine in machines ?? [])
             {
-                files.File = machines
-                .Where(m => m != null)
-                .SelectMany(ConvertFromInternalModel)
-                .ToArray();
+                items.AddRange(ConvertFromInternalModel(machine));
             }
 
+            files.File = [.. items];
             return files;
         }
 
@@ -36,9 +34,7 @@ namespace SabreTools.Serialization.CrossModel
             if (roms == null)
                 return [];
 
-            return roms
-                .Where(r => r != null)
-                .Select(ConvertFromInternalModel).ToArray();
+            return Array.ConvertAll(roms, ConvertFromInternalModel);
         }
 
         /// <summary>

SabreTools.Serialization/CrossModel/ArchiveDotOrg.Serializer.cs

@@ -1,4 +1,4 @@
-using System.Linq;
+using System;
 using SabreTools.Serialization.Interfaces;
 
 namespace SabreTools.Serialization.CrossModel
@@ -16,13 +16,10 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.MetadataFile.HeaderKey] = ConvertHeaderToInternalModel(item),
             };
 
-            if (item?.File != null && item.File.Any())
+            if (item?.File != null && item.File.Length > 0)
             {
-                metadataFile[Models.Metadata.MetadataFile.MachineKey] = item.File
-                    .Where(f => f != null)
-                    .Select(ConvertMachineToInternalModel)
-                    .Where(m => m != null)
-                    .ToArray();
+                metadataFile[Models.Metadata.MetadataFile.MachineKey]
+                    = Array.ConvertAll(item.File, ConvertMachineToInternalModel);
             }
 
             return metadataFile;

SabreTools.Serialization/CrossModel/AttractMode.Deserializer.cs

@@ -1,5 +1,5 @@
 using System;
-using System.Linq;
+using System.Collections.Generic;
 using SabreTools.Models.AttractMode;
 using SabreTools.Serialization.Interfaces;
 
@@ -17,14 +17,13 @@ namespace SabreTools.Serialization.CrossModel
             var metadataFile = header != null ? ConvertHeaderFromInternalModel(header) : new MetadataFile();
 
             var machines = obj.Read<Models.Metadata.Machine[]>(Models.Metadata.MetadataFile.MachineKey);
-            if (machines != null && machines.Any())
+            var items = new List<Row>();
+            foreach (var machine in machines ?? [])
             {
-                metadataFile.Row = machines
-                    .Where(m => m != null)
-                    .SelectMany(ConvertMachineFromInternalModel)
-                    .ToArray();
+                items.AddRange(ConvertMachineFromInternalModel(machine));
             }
 
+            metadataFile.Row = [.. items];
             return metadataFile;
         }
 
@@ -46,13 +45,10 @@ namespace SabreTools.Serialization.CrossModel
         private static Row[] ConvertMachineFromInternalModel(Models.Metadata.Machine item)
         {
             var roms = item.Read<Models.Metadata.Rom[]>(Models.Metadata.Machine.RomKey);
-            if (roms == null || !roms.Any())
+            if (roms == null || roms.Length == 0)
                 return [];
 
-            return roms
-                .Where(r => r != null)
-                .Select(rom => ConvertFromInternalModel(rom, item))
-                .ToArray();
+            return Array.ConvertAll(roms, r => ConvertFromInternalModel(r, item));
         }
 
         /// <summary>

SabreTools.Serialization/CrossModel/AttractMode.Serializer.cs

@@ -1,4 +1,4 @@
-using System.Linq;
+using System;
 using SabreTools.Models.AttractMode;
 using SabreTools.Serialization.Interfaces;
 
@@ -17,13 +17,10 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.MetadataFile.HeaderKey] = ConvertHeaderToInternalModel(obj),
             };
 
-            if (obj?.Row != null && obj.Row.Any())
+            if (obj?.Row != null && obj.Row.Length > 0)
             {
-                metadataFile[Models.Metadata.MetadataFile.MachineKey] = obj.Row
-                    .Where(r => r != null)
-                    .Select(ConvertMachineToInternalModel)
-                    .Where(m => m != null)
-                    .ToArray();
+                metadataFile[Models.Metadata.MetadataFile.MachineKey]
+                    = Array.ConvertAll(obj.Row, ConvertMachineToInternalModel);
             }
 
             return metadataFile;

SabreTools.Serialization/CrossModel/ClrMamePro.Deserializer.cs

@@ -1,4 +1,4 @@
-using System.Linq;
+using System;
 using SabreTools.Models.ClrMamePro;
 using SabreTools.Serialization.Interfaces;
 
@@ -22,12 +22,10 @@ namespace SabreTools.Serialization.CrossModel
                 metadataFile.ClrMamePro = ConvertHeaderFromInternalModel(header);
 
             var machines = obj.Read<Models.Metadata.Machine[]>(Models.Metadata.MetadataFile.MachineKey);
-            if (machines != null && machines.Any())
+            if (machines != null && machines.Length > 0)
             {
-                metadataFile.Game = machines
-                    .Where(m => m != null)
-                    .Select(machine => ConvertMachineFromInternalModel(machine, game))
-                    .ToArray();
+                metadataFile.Game
+                    = Array.ConvertAll(machines, m => ConvertMachineFromInternalModel(m));
             }
 
             return metadataFile;
@@ -76,85 +74,40 @@ namespace SabreTools.Serialization.CrossModel
             gameBase.SampleOf = item.ReadString(Models.Metadata.Machine.SampleOfKey);
 
             var releases = item.Read<Models.Metadata.Release[]>(Models.Metadata.Machine.ReleaseKey);
-            if (releases != null && releases.Any())
-            {
-                gameBase.Release = releases
-                    .Where(r => r != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (releases != null && releases.Length > 0)
+                gameBase.Release = Array.ConvertAll(releases, ConvertFromInternalModel);
 
             var biosSets = item.Read<Models.Metadata.BiosSet[]>(Models.Metadata.Machine.BiosSetKey);
-            if (biosSets != null && biosSets.Any())
-            {
-                gameBase.BiosSet = biosSets
-                    .Where(r => r != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (biosSets != null && biosSets.Length > 0)
+                gameBase.BiosSet = Array.ConvertAll(biosSets, ConvertFromInternalModel);
 
             var roms = item.Read<Models.Metadata.Rom[]>(Models.Metadata.Machine.RomKey);
-            if (roms != null && roms.Any())
-            {
-                gameBase.Rom = roms
-                    .Where(r => r != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (roms != null && roms.Length > 0)
+                gameBase.Rom = Array.ConvertAll(roms, ConvertFromInternalModel);
 
             var disks = item.Read<Models.Metadata.Disk[]>(Models.Metadata.Machine.DiskKey);
-            if (disks != null && disks.Any())
-            {
-                gameBase.Disk = disks
-                    .Where(d => d != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (disks != null && disks.Length > 0)
+                gameBase.Disk = Array.ConvertAll(disks, ConvertFromInternalModel);
 
             var medias = item.Read<Models.Metadata.Media[]>(Models.Metadata.Machine.MediaKey);
-            if (medias != null && medias.Any())
-            {
-                gameBase.Media = medias
-                    .Where(m => m != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (medias != null && medias.Length > 0)
+                gameBase.Media = Array.ConvertAll(medias, ConvertFromInternalModel);
 
             var samples = item.Read<Models.Metadata.Sample[]>(Models.Metadata.Machine.SampleKey);
-            if (samples != null && samples.Any())
-            {
-                gameBase.Sample = samples
-                    .Where(m => m != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (samples != null && samples.Length > 0)
+                gameBase.Sample = Array.ConvertAll(samples, ConvertFromInternalModel);
 
             var archives = item.Read<Models.Metadata.Archive[]>(Models.Metadata.Machine.ArchiveKey);
-            if (archives != null && archives.Any())
-            {
-                gameBase.Archive = archives
-                    .Where(m => m != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (archives != null && archives.Length > 0)
+                gameBase.Archive = Array.ConvertAll(archives, ConvertFromInternalModel);
 
             var chips = item.Read<Models.Metadata.Chip[]>(Models.Metadata.Machine.ChipKey);
-            if (chips != null && chips.Any())
-            {
-                gameBase.Chip = chips
-                    .Where(m => m != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (chips != null && chips.Length > 0)
+                gameBase.Chip = Array.ConvertAll(chips, ConvertFromInternalModel);
 
             var videos = item.Read<Models.Metadata.Video[]>(Models.Metadata.Machine.VideoKey);
-            if (videos != null && videos.Any())
-            {
-                gameBase.Video = videos
-                    .Where(m => m != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (videos != null && videos.Length > 0)
+                gameBase.Video = Array.ConvertAll(videos, ConvertFromInternalModel);
 
             var sound = item.Read<Models.Metadata.Sound>(Models.Metadata.Machine.SoundKey);
             if (sound != null)
@@ -165,13 +118,8 @@ namespace SabreTools.Serialization.CrossModel
                 gameBase.Input = ConvertFromInternalModel(input);
 
             var dipSwitches = item.Read<Models.Metadata.DipSwitch[]>(Models.Metadata.Machine.DipSwitchKey);
-            if (dipSwitches != null && dipSwitches.Any())
-            {
-                gameBase.DipSwitch = dipSwitches
-                    .Where(m => m != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (dipSwitches != null && dipSwitches.Length > 0)
+                gameBase.DipSwitch = Array.ConvertAll(dipSwitches, ConvertFromInternalModel);
 
             var driver = item.Read<Models.Metadata.Driver>(Models.Metadata.Machine.DriverKey);
             if (driver != null)

SabreTools.Serialization/CrossModel/ClrMamePro.Serializer.cs

@@ -1,4 +1,4 @@
-using System.Linq;
+using System;
 using SabreTools.Models.ClrMamePro;
 using SabreTools.Serialization.Interfaces;
 
@@ -17,13 +17,10 @@ namespace SabreTools.Serialization.CrossModel
             if (obj?.ClrMamePro != null)
                 metadataFile[Models.Metadata.MetadataFile.HeaderKey] = ConvertHeaderToInternalModel(obj.ClrMamePro);
 
-            if (obj?.Game != null && obj.Game.Any())
+            if (obj?.Game != null && obj.Game.Length > 0)
             {
-                metadataFile[Models.Metadata.MetadataFile.MachineKey] = obj.Game
-                    .Where(g => g != null)
-                    .Select(ConvertMachineToInternalModel)
-                    .Where(m => m != null)
-                    .ToArray();
+                metadataFile[Models.Metadata.MetadataFile.MachineKey]
+                    = Array.ConvertAll(obj.Game, ConvertMachineToInternalModel);
             }
 
             return metadataFile;
@@ -75,76 +72,58 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.Machine.SampleOfKey] = item.SampleOf,
             };
 
-            if (item.Release != null && item.Release.Any())
+            if (item.Release != null && item.Release.Length > 0)
             {
-                machine[Models.Metadata.Machine.ReleaseKey] = item.Release
-                    .Where(r => r != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.ReleaseKey]
+                    = Array.ConvertAll(item.Release, ConvertToInternalModel);
             }
 
-            if (item.BiosSet != null && item.BiosSet.Any())
+            if (item.BiosSet != null && item.BiosSet.Length > 0)
             {
-                machine[Models.Metadata.Machine.BiosSetKey] = item.BiosSet
-                    .Where(b => b != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.BiosSetKey]
+                    = Array.ConvertAll(item.BiosSet, ConvertToInternalModel);
             }
 
-            if (item.Rom != null && item.Rom.Any())
+            if (item.Rom != null && item.Rom.Length > 0)
             {
-                machine[Models.Metadata.Machine.RomKey] = item.Rom
-                    .Where(r => r != null)
-                .Select(ConvertToInternalModel)
-                .ToArray();
+                machine[Models.Metadata.Machine.RomKey]
+                    = Array.ConvertAll(item.Rom, ConvertToInternalModel);
             }
 
-            if (item.Disk != null && item.Disk.Any())
+            if (item.Disk != null && item.Disk.Length > 0)
             {
-                machine[Models.Metadata.Machine.DiskKey] = item.Disk
-                    .Where(d => d != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.DiskKey]
+                    = Array.ConvertAll(item.Disk, ConvertToInternalModel);
             }
 
-            if (item.Media != null && item.Media.Any())
+            if (item.Media != null && item.Media.Length > 0)
             {
-                machine[Models.Metadata.Machine.MediaKey] = item.Media
-                    .Where(m => m != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.MediaKey]
+                    = Array.ConvertAll(item.Media, ConvertToInternalModel);
             }
 
-            if (item.Sample != null && item.Sample.Any())
+            if (item.Sample != null && item.Sample.Length > 0)
             {
-                machine[Models.Metadata.Machine.SampleKey] = item.Sample
-                    .Where(s => s != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.SampleKey]
+                    = Array.ConvertAll(item.Sample, ConvertToInternalModel);
             }
 
-            if (item.Archive != null && item.Archive.Any())
+            if (item.Archive != null && item.Archive.Length > 0)
             {
-                machine[Models.Metadata.Machine.ArchiveKey] = item.Archive
-                    .Where(a => a != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.ArchiveKey]
+                    = Array.ConvertAll(item.Archive, ConvertToInternalModel);
             }
 
-            if (item.Chip != null && item.Chip.Any())
+            if (item.Chip != null && item.Chip.Length > 0)
             {
-                machine[Models.Metadata.Machine.ChipKey] = item.Chip
-                    .Where(c => c != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.ChipKey]
+                    = Array.ConvertAll(item.Chip, ConvertToInternalModel);
             }
 
             if (item.Video != null)
             {
-                machine[Models.Metadata.Machine.VideoKey] = item.Video
-                    .Where(v => v != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.VideoKey]
+                    = Array.ConvertAll(item.Video, ConvertToInternalModel);
             }
 
             if (item.Sound != null)
@@ -153,12 +132,10 @@ namespace SabreTools.Serialization.CrossModel
             if (item.Input != null)
                 machine[Models.Metadata.Machine.InputKey] = ConvertToInternalModel(item.Input);
 
-            if (item.DipSwitch != null && item.DipSwitch.Any())
+            if (item.DipSwitch != null && item.DipSwitch.Length > 0)
             {
-                machine[Models.Metadata.Machine.DipSwitchKey] = item.DipSwitch
-                    .Where(d => d != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.DipSwitchKey]
+                    = Array.ConvertAll(item.DipSwitch, ConvertToInternalModel);
             }
 
             if (item.Driver != null)

SabreTools.Serialization/CrossModel/DosCenter.Deserializer.cs

@@ -1,4 +1,4 @@
-using System.Linq;
+using System;
 using SabreTools.Models.DosCenter;
 using SabreTools.Serialization.Interfaces;
 
@@ -19,13 +19,8 @@ namespace SabreTools.Serialization.CrossModel
                 metadataFile.DosCenter = ConvertHeaderFromInternalModel(header);
 
             var machines = obj.Read<Models.Metadata.Machine[]>(Models.Metadata.MetadataFile.MachineKey);
-            if (machines != null && machines.Any())
-            {
-                metadataFile.Game = machines
-                    .Where(m => m != null)
-                    .Select(ConvertMachineFromInternalModel)
-                    .ToArray();
-            }
+            if (machines != null && machines.Length > 0)
+                metadataFile.Game = Array.ConvertAll(machines, ConvertMachineFromInternalModel);
 
             return metadataFile;
         }
@@ -59,13 +54,8 @@ namespace SabreTools.Serialization.CrossModel
             };
 
             var roms = item.Read<Models.Metadata.Rom[]>(Models.Metadata.Machine.RomKey);
-            if (roms != null && roms.Any())
-            {
-                game.File = roms
-                    .Where(r => r != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (roms != null && roms.Length > 0)
+                game.File = Array.ConvertAll(roms, ConvertFromInternalModel);
 
             return game;
         }

SabreTools.Serialization/CrossModel/DosCenter.Serializer.cs

@@ -1,4 +1,4 @@
-using System.Linq;
+using System;
 using SabreTools.Models.DosCenter;
 using SabreTools.Serialization.Interfaces;
 
@@ -17,12 +17,10 @@ namespace SabreTools.Serialization.CrossModel
             if (obj?.DosCenter != null)
                 metadataFile[Models.Metadata.MetadataFile.HeaderKey] = ConvertHeaderToInternalModel(obj.DosCenter);
 
-            if (obj?.Game != null && obj.Game.Any())
+            if (obj?.Game != null && obj.Game.Length > 0)
             {
-                metadataFile[Models.Metadata.MetadataFile.MachineKey] = obj.Game
-                    .Where(g => g != null)
-                    .Select(ConvertMachineToInternalModel)
-                    .ToArray();
+                metadataFile[Models.Metadata.MetadataFile.MachineKey]
+                    = Array.ConvertAll(obj.Game, ConvertMachineToInternalModel);
             }
 
             return metadataFile;
@@ -56,12 +54,10 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.Machine.NameKey] = item.Name,
             };
 
-            if (item.File != null && item.File.Any())
+            if (item.File != null && item.File.Length > 0)
             {
-                machine[Models.Metadata.Machine.RomKey] = item.File
-                    .Where(f => f != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.RomKey]
+                    = Array.ConvertAll(item.File, ConvertToInternalModel);
             }
 
             return machine;

SabreTools.Serialization/CrossModel/EverdriveSMDB.Deserializer.cs

@@ -1,5 +1,5 @@
 using System;
-using System.Linq;
+using System.Collections.Generic;
 using SabreTools.Models.EverdriveSMDB;
 using SabreTools.Serialization.Interfaces;
 
@@ -16,13 +16,13 @@ namespace SabreTools.Serialization.CrossModel
             var metadataFile = new MetadataFile();
 
             var machines = obj.Read<Models.Metadata.Machine[]>(Models.Metadata.MetadataFile.MachineKey);
-            if (machines != null && machines.Any())
-            {
-                metadataFile.Row = machines
-                    .Where(m => m != null)
-                    .SelectMany(ConvertMachineFromInternalModel)
-                    .ToArray();
-            }
+            var items = new List<Row>();
+                foreach (var machine in machines ?? [])
+                {
+                    items.AddRange(ConvertMachineFromInternalModel(machine));
+                }
+
+                metadataFile.Row = [.. items];
 
             return metadataFile;
         }
@@ -33,13 +33,10 @@ namespace SabreTools.Serialization.CrossModel
         private static Row[] ConvertMachineFromInternalModel(Models.Metadata.Machine item)
         {
             var roms = item.Read<Models.Metadata.Rom[]>(Models.Metadata.Machine.RomKey);
-            if (roms == null || !roms.Any())
+            if (roms == null || roms.Length == 0)
                 return [];
 
-            return roms
-                .Where(r => r != null)
-                .Select(ConvertFromInternalModel)
-                .ToArray();
+            return Array.ConvertAll(roms, ConvertFromInternalModel);
         }
 
         /// <summary>

SabreTools.Serialization/CrossModel/EverdriveSMDB.Serializer.cs

@@ -1,4 +1,4 @@
-using System.Linq;
+using System;
 using SabreTools.Models.EverdriveSMDB;
 using SabreTools.Serialization.Interfaces;
 
@@ -17,12 +17,10 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.MetadataFile.HeaderKey] = ConvertHeaderToInternalModel(),
             };
 
-            if (obj?.Row != null && obj.Row.Any())
+            if (obj?.Row != null && obj.Row.Length > 0)
             {
-                metadataFile[Models.Metadata.MetadataFile.MachineKey] = obj.Row
-                    .Where(r => r != null)
-                    .Select(ConvertMachineToInternalModel)
-                    .ToArray();
+                metadataFile[Models.Metadata.MetadataFile.MachineKey]
+                    = Array.ConvertAll(obj.Row, ConvertMachineToInternalModel);
             }
 
             return metadataFile;

SabreTools.Serialization/CrossModel/Hashfile.Deserializer.cs

@@ -1,5 +1,5 @@
+using System;
 using System.Collections.Generic;
-using System.Linq;
 using SabreTools.Hashing;
 using SabreTools.Models.Hashfile;
 using SabreTools.Serialization.Interfaces;
@@ -18,12 +18,10 @@ namespace SabreTools.Serialization.CrossModel
                 return null;
 
             var machines = obj.Read<Models.Metadata.Machine[]>(Models.Metadata.MetadataFile.MachineKey);
-            if (machines == null || !machines.Any())
+            if (machines == null || machines.Length == 0)
                 return null;
 
-            var hashfiles = machines
-                .Where(m => m != null)
-                .Select(machine => ConvertMachineFromInternalModel(machine, hash));
+            var hashfiles = Array.ConvertAll(machines, m => ConvertMachineFromInternalModel(m, hash));
 
             var sfvs = new List<SFV>();
             var md5s = new List<MD5>();
@@ -35,38 +33,38 @@ namespace SabreTools.Serialization.CrossModel
 
             foreach (var hashfile in hashfiles)
             {
-                if (hashfile.SFV != null && hashfile.SFV.Any())
+                if (hashfile.SFV != null && hashfile.SFV.Length > 0)
                     sfvs.AddRange(hashfile.SFV);
-                if (hashfile.MD5 != null && hashfile.MD5.Any())
+                if (hashfile.MD5 != null && hashfile.MD5.Length > 0)
                     md5s.AddRange(hashfile.MD5);
-                if (hashfile.SHA1 != null && hashfile.SHA1.Any())
+                if (hashfile.SHA1 != null && hashfile.SHA1.Length > 0)
                     sha1s.AddRange(hashfile.SHA1);
-                if (hashfile.SHA256 != null && hashfile.SHA256.Any())
+                if (hashfile.SHA256 != null && hashfile.SHA256.Length > 0)
                     sha256s.AddRange(hashfile.SHA256);
-                if (hashfile.SHA384 != null && hashfile.SHA384.Any())
+                if (hashfile.SHA384 != null && hashfile.SHA384.Length > 0)
                     sha384s.AddRange(hashfile.SHA384);
-                if (hashfile.SHA512 != null && hashfile.SHA512.Any())
+                if (hashfile.SHA512 != null && hashfile.SHA512.Length > 0)
                     sha512s.AddRange(hashfile.SHA512);
-                if (hashfile.SpamSum != null && hashfile.SpamSum.Any())
+                if (hashfile.SpamSum != null && hashfile.SpamSum.Length > 0)
                     spamsums.AddRange(hashfile.SpamSum);
             }
 
             var hashfileItem = new Models.Hashfile.Hashfile();
 
-            if (sfvs.Any())
-                hashfileItem.SFV = sfvs.ToArray();
-            if (md5s.Any())
-                hashfileItem.MD5 = md5s.ToArray();
-            if (sha1s.Any())
-                hashfileItem.SHA1 = sha1s.ToArray();
-            if (sha256s.Any())
-                hashfileItem.SHA256 = sha256s.ToArray();
-            if (sha384s.Any())
-                hashfileItem.SHA384 = sha384s.ToArray();
-            if (sha512s.Any())
-                hashfileItem.SHA512 = sha512s.ToArray();
-            if (spamsums.Any())
-                hashfileItem.SpamSum = spamsums.ToArray();
+            if (sfvs.Count > 0)
+                hashfileItem.SFV = [.. sfvs];
+            if (md5s.Count > 0)
+                hashfileItem.MD5 = [.. md5s];
+            if (sha1s.Count > 0)
+                hashfileItem.SHA1 = [.. sha1s];
+            if (sha256s.Count > 0)
+                hashfileItem.SHA256 = [.. sha256s];
+            if (sha384s.Count > 0)
+                hashfileItem.SHA384 = [.. sha384s];
+            if (sha512s.Count > 0)
+                hashfileItem.SHA512 = [.. sha512s];
+            if (spamsums.Count > 0)
+                hashfileItem.SpamSum = [.. spamsums];
 
             return hashfileItem;
         }
@@ -80,13 +78,8 @@ namespace SabreTools.Serialization.CrossModel
                 return null;
 
             var machines = item.Read<Models.Metadata.Machine[]>(Models.Metadata.MetadataFile.MachineKey);
-            if (machines != null && machines.Any())
-            {
-                return machines
-                    .Where(m => m != null)
-                    .Select(machine => ConvertMachineFromInternalModel(machine, hash))
-                    .ToArray();
-            }
+            if (machines != null && machines.Length > 0)
+                return Array.ConvertAll(machines, m => ConvertMachineFromInternalModel(m, hash));
 
             return null;
         }
@@ -102,47 +95,26 @@ namespace SabreTools.Serialization.CrossModel
 
             return new Models.Hashfile.Hashfile
             {
-                SFV = hash == HashType.CRC32 || hash == HashType.CRC32_ISO || hash == HashType.CRC32_Naive || hash == HashType.CRC32_Optimized || hash == HashType.CRC32_Parallel
-                    ? roms
-                        .Where(r => r != null)
-                        .Select(ConvertToSFV)
-                        .ToArray()
+                SFV = hash == HashType.CRC32
+                    ? Array.ConvertAll(roms, ConvertToSFV)
                     : null,
                 MD5 = hash == HashType.MD5
-                    ? roms
-                        .Where(r => r != null)
-                        .Select(ConvertToMD5)
-                        .ToArray()
+                    ? Array.ConvertAll(roms, ConvertToMD5)
                     : null,
                 SHA1 = hash == HashType.SHA1
-                    ? roms
-                        .Where(r => r != null)
-                        .Select(ConvertToSHA1)
-                        .ToArray()
+                    ? Array.ConvertAll(roms, ConvertToSHA1)
                     : null,
                 SHA256 = hash == HashType.SHA256
-                    ? roms
-                        .Where(r => r != null)
-                        .Select(ConvertToSHA256)
-                        .ToArray()
+                    ? Array.ConvertAll(roms, ConvertToSHA256)
                     : null,
                 SHA384 = hash == HashType.SHA384
-                    ? roms
-                        .Where(r => r != null)
-                        .Select(ConvertToSHA384)
-                        .ToArray()
+                    ? Array.ConvertAll(roms, ConvertToSHA384)
                     : null,
                 SHA512 = hash == HashType.SHA512
-                    ? roms
-                        .Where(r => r != null)
-                        .Select(ConvertToSHA512)
-                        .ToArray()
+                    ? Array.ConvertAll(roms, ConvertToSHA512)
                     : null,
                 SpamSum = hash == HashType.SpamSum
-                    ? roms
-                        .Where(r => r != null)
-                        .Select(ConvertToSpamSum)
-                        .ToArray()
+                    ? Array.ConvertAll(roms, ConvertToSpamSum)
                     : null,
             };
         }

SabreTools.Serialization/CrossModel/Hashfile.Serializer.cs

@@ -1,4 +1,4 @@
-using System.Linq;
+using System;
 using SabreTools.Models.Hashfile;
 using SabreTools.Serialization.Interfaces;
 
@@ -42,20 +42,20 @@ namespace SabreTools.Serialization.CrossModel
         {
             var machine = new Models.Metadata.Machine();
 
-            if (item.SFV != null && item.SFV.Any())
-                machine[Models.Metadata.Machine.RomKey] = item.SFV.Select(ConvertToInternalModel).ToArray();
-            else if (item.MD5 != null && item.MD5.Any())
-                machine[Models.Metadata.Machine.RomKey] = item.MD5.Select(ConvertToInternalModel).ToArray();
-            else if (item.SHA1 != null && item.SHA1.Any())
-                machine[Models.Metadata.Machine.RomKey] = item.SHA1.Select(ConvertToInternalModel).ToArray();
-            else if (item.SHA256 != null && item.SHA256.Any())
-                machine[Models.Metadata.Machine.RomKey] = item.SHA256.Select(ConvertToInternalModel).ToArray();
-            else if (item.SHA384 != null && item.SHA384.Any())
-                machine[Models.Metadata.Machine.RomKey] = item.SHA384.Select(ConvertToInternalModel).ToArray();
-            else if (item.SHA512 != null && item.SHA512.Any())
-                machine[Models.Metadata.Machine.RomKey] = item.SHA512.Select(ConvertToInternalModel).ToArray();
-            else if (item.SpamSum != null && item.SpamSum.Any())
-                machine[Models.Metadata.Machine.RomKey] = item.SpamSum.Select(ConvertToInternalModel).ToArray();
+            if (item.SFV != null && item.SFV.Length > 0)
+                machine[Models.Metadata.Machine.RomKey] = Array.ConvertAll(item.SFV, ConvertToInternalModel);
+            else if (item.MD5 != null && item.MD5.Length > 0)
+                machine[Models.Metadata.Machine.RomKey] = Array.ConvertAll(item.MD5, ConvertToInternalModel);
+            else if (item.SHA1 != null && item.SHA1.Length > 0)
+                machine[Models.Metadata.Machine.RomKey] = Array.ConvertAll(item.SHA1, ConvertToInternalModel);
+            else if (item.SHA256 != null && item.SHA256.Length > 0)
+                machine[Models.Metadata.Machine.RomKey] = Array.ConvertAll(item.SHA256, ConvertToInternalModel);
+            else if (item.SHA384 != null && item.SHA384.Length > 0)
+                machine[Models.Metadata.Machine.RomKey] = Array.ConvertAll(item.SHA384, ConvertToInternalModel);
+            else if (item.SHA512 != null && item.SHA512.Length > 0)
+                machine[Models.Metadata.Machine.RomKey] = Array.ConvertAll(item.SHA512, ConvertToInternalModel);
+            else if (item.SpamSum != null && item.SpamSum.Length > 0)
+                machine[Models.Metadata.Machine.RomKey] = Array.ConvertAll(item.SpamSum, ConvertToInternalModel);
 
             return machine;
         }

SabreTools.Serialization/CrossModel/Listrom.Deserializer.cs

@@ -1,5 +1,5 @@
+using System;
 using System.Collections.Generic;
-using System.Linq;
 using SabreTools.Models.Listrom;
 using SabreTools.Serialization.Interfaces;
 
@@ -16,13 +16,8 @@ namespace SabreTools.Serialization.CrossModel
             var metadataFile = new MetadataFile();
 
             var machines = obj.Read<Models.Metadata.Machine[]>(Models.Metadata.MetadataFile.MachineKey);
-            if (machines != null && machines.Any())
-            {
-                metadataFile.Set = machines
-                    .Where(m => m != null)
-                    .Select(ConvertMachineFromInternalModel)
-                    .ToArray();
-            }
+            if (machines != null && machines.Length > 0)
+                metadataFile.Set = Array.ConvertAll(machines, ConvertMachineFromInternalModel);
             
             return metadataFile;
         }
@@ -43,14 +38,14 @@ namespace SabreTools.Serialization.CrossModel
             var roms = item.Read<Models.Metadata.Rom[]>(Models.Metadata.Machine.RomKey);
             if (roms != null)
             {
-                rowItems.AddRange(roms.Where(r => r != null).Select(ConvertFromInternalModel));
+                rowItems.AddRange(Array.ConvertAll(roms, ConvertFromInternalModel));
             }
 
             var disks = item.Read<Models.Metadata.Disk[]>(Models.Metadata.Machine.DiskKey);
             if (disks != null)
-                rowItems.AddRange(disks.Where(d => d != null).Select(ConvertFromInternalModel));
+                rowItems.AddRange(Array.ConvertAll(disks, ConvertFromInternalModel));
 
-            set.Row = rowItems.ToArray();
+            set.Row = [.. rowItems];
             return set;
         }
 

SabreTools.Serialization/CrossModel/Listrom.Serializer.cs

@@ -1,5 +1,5 @@
+using System;
 using System.Collections.Generic;
-using System.Linq;
 using SabreTools.Models.Listrom;
 using SabreTools.Serialization.Interfaces;
 
@@ -18,12 +18,10 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.MetadataFile.HeaderKey] = ConvertHeaderToInternalModel(),
             };
 
-            if (obj?.Set != null && obj.Set.Any())
+            if (obj?.Set != null && obj.Set.Length > 0)
             {
-                metadataFile[Models.Metadata.MetadataFile.MachineKey] = obj.Set
-                    .Where(s => s != null)
-                    .Select(ConvertMachineToInternalModel)
-                    .ToArray();
+                metadataFile[Models.Metadata.MetadataFile.MachineKey]
+                    = Array.ConvertAll(obj.Set, ConvertMachineToInternalModel);
             }
 
             return metadataFile;
@@ -57,16 +55,21 @@ namespace SabreTools.Serialization.CrossModel
                 machine[Models.Metadata.Machine.NameKey] = item.Driver;
             }
 
-            if (item.Row != null && item.Row.Any())
+            if (item.Row != null && item.Row.Length > 0)
             {
-                var datItems = new List<Models.Metadata.DatItem>();
+                var disks = new List<Models.Metadata.Disk>();
+                var roms = new List<Models.Metadata.Rom>();
                 foreach (var file in item.Row)
                 {
-                    datItems.Add(ConvertToInternalModel(file));
+                    var datItem = ConvertToInternalModel(file);
+                    if (datItem is Models.Metadata.Disk disk)
+                        disks.Add(disk);
+                    else if (datItem is Models.Metadata.Rom rom)
+                        roms.Add(rom);
                 }
 
-                machine[Models.Metadata.Machine.DiskKey] = datItems.Where(i => i.ReadString(Models.Metadata.DatItem.TypeKey) == "disk").Select(d => d as Models.Metadata.Disk).ToArray();
-                machine[Models.Metadata.Machine.RomKey] = datItems.Where(i => i.ReadString(Models.Metadata.DatItem.TypeKey) == "rom").Select(d => d as Models.Metadata.Rom).ToArray();
+                machine[Models.Metadata.Machine.DiskKey] = disks.ToArray();
+                machine[Models.Metadata.Machine.RomKey] = roms.ToArray();
             }
 
             return machine;

SabreTools.Serialization/CrossModel/Listxml.Deserializer.cs

@@ -1,4 +1,4 @@
-using System.Linq;
+using System;
 using SabreTools.Models.Listxml;
 using SabreTools.Serialization.Interfaces;
 
@@ -16,13 +16,8 @@ namespace SabreTools.Serialization.CrossModel
             var mame = header != null ? ConvertMameFromInternalModel(header) : new Mame();
 
             var machines = obj.Read<Models.Metadata.Machine[]>(Models.Metadata.MetadataFile.MachineKey);
-            if (machines != null && machines.Any())
-            {
-                mame.Game = machines
-                    .Where(m => m != null)
-                    .Select(ConvertMachineFromInternalModel)
-                    .ToArray();
-            }
+            if (machines != null && machines.Length > 0)
+                mame.Game = Array.ConvertAll(machines, ConvertMachineFromInternalModel);
 
             return mame;
         }
@@ -39,13 +34,8 @@ namespace SabreTools.Serialization.CrossModel
             var mame = header != null ? ConvertMameFromInternalModel(header) : new Mame();
 
             var machines = item.Read<Models.Metadata.Machine[]>(Models.Metadata.MetadataFile.MachineKey);
-            if (machines != null && machines.Any())
-            {
-                mame.Game = machines
-                    .Where(m => m != null)
-                    .Select(ConvertMachineFromInternalModel)
-                    .ToArray();
-            }
+            if (machines != null && machines.Length > 0)
+                mame.Game = Array.ConvertAll(machines, ConvertMachineFromInternalModel);
 
             return mame;
         }
@@ -88,76 +78,36 @@ namespace SabreTools.Serialization.CrossModel
             };
 
             var biosSets = item.Read<Models.Metadata.BiosSet[]>(Models.Metadata.Machine.BiosSetKey);
-            if (biosSets != null && biosSets.Any())
-            {
-                machine.BiosSet = biosSets
-                    .Where(b => b != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (biosSets != null && biosSets.Length > 0)
+                machine.BiosSet = Array.ConvertAll(biosSets, ConvertFromInternalModel);
 
             var roms = item.Read<Models.Metadata.Rom[]>(Models.Metadata.Machine.RomKey);
-            if (roms != null && roms.Any())
-            {
-                machine.Rom = roms
-                    .Where(r => r != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (roms != null && roms.Length > 0)
+                machine.Rom = Array.ConvertAll(roms, ConvertFromInternalModel);
 
             var disks = item.Read<Models.Metadata.Disk[]>(Models.Metadata.Machine.DiskKey);
-            if (disks != null && disks.Any())
-            {
-                machine.Disk = disks
-                    .Where(d => d != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (disks != null && disks.Length > 0)
+                machine.Disk = Array.ConvertAll(disks, ConvertFromInternalModel);
 
             var deviceRefs = item.Read<Models.Metadata.DeviceRef[]>(Models.Metadata.Machine.DeviceRefKey);
-            if (deviceRefs != null && deviceRefs.Any())
-            {
-                machine.DeviceRef = deviceRefs
-                    .Where(d => d != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (deviceRefs != null && deviceRefs.Length > 0)
+                machine.DeviceRef = Array.ConvertAll(deviceRefs, ConvertFromInternalModel);
 
             var samples = item.Read<Models.Metadata.Sample[]>(Models.Metadata.Machine.SampleKey);
-            if (samples != null && samples.Any())
-            {
-                machine.Sample = samples
-                    .Where(s => s != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (samples != null && samples.Length > 0)
+                machine.Sample = Array.ConvertAll(samples, ConvertFromInternalModel);
 
             var chips = item.Read<Models.Metadata.Chip[]>(Models.Metadata.Machine.ChipKey);
-            if (chips != null && chips.Any())
-            {
-                machine.Chip = chips
-                    .Where(c => c != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (chips != null && chips.Length > 0)
+                machine.Chip = Array.ConvertAll(chips, ConvertFromInternalModel);
 
             var displays = item.Read<Models.Metadata.Display[]>(Models.Metadata.Machine.DisplayKey);
-            if (displays != null && displays.Any())
-            {
-                machine.Display = displays
-                    .Where(d => d != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (displays != null && displays.Length > 0)
+                machine.Display = Array.ConvertAll(displays, ConvertFromInternalModel);
 
             var videos = item.Read<Models.Metadata.Video[]>(Models.Metadata.Machine.VideoKey);
-            if (videos != null && videos.Any())
-            {
-                machine.Video = videos
-                    .Where(d => d != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (videos != null && videos.Length > 0)
+                machine.Video = Array.ConvertAll(videos, ConvertFromInternalModel);
 
             var sound = item.Read<Models.Metadata.Sound>(Models.Metadata.Machine.SoundKey);
             if (sound != null)
@@ -168,89 +118,44 @@ namespace SabreTools.Serialization.CrossModel
                 machine.Input = ConvertFromInternalModel(input);
 
             var dipSwitches = item.Read<Models.Metadata.DipSwitch[]>(Models.Metadata.Machine.DipSwitchKey);
-            if (dipSwitches != null && dipSwitches.Any())
-            {
-                machine.DipSwitch = dipSwitches
-                    .Where(d => d != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (dipSwitches != null && dipSwitches.Length > 0)
+                machine.DipSwitch = Array.ConvertAll(dipSwitches, ConvertFromInternalModel);
 
             var configurations = item.Read<Models.Metadata.Configuration[]>(Models.Metadata.Machine.ConfigurationKey);
-            if (configurations != null && configurations.Any())
-            {
-                machine.Configuration = configurations
-                    .Where(d => d != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (configurations != null && configurations.Length > 0)
+                machine.Configuration = Array.ConvertAll(configurations, ConvertFromInternalModel);
 
             var ports = item.Read<Models.Metadata.Port[]>(Models.Metadata.Machine.PortKey);
-            if (ports != null && ports.Any())
-            {
-                machine.Port = ports
-                    .Where(d => d != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (ports != null && ports.Length > 0)
+                machine.Port = Array.ConvertAll(ports, ConvertFromInternalModel);
 
             var adjusters = item.Read<Models.Metadata.Adjuster[]>(Models.Metadata.Machine.AdjusterKey);
-            if (adjusters != null && adjusters.Any())
-            {
-                machine.Adjuster = adjusters
-                    .Where(d => d != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (adjusters != null && adjusters.Length > 0)
+                machine.Adjuster = Array.ConvertAll(adjusters, ConvertFromInternalModel);
 
             var driver = item.Read<Models.Metadata.Driver>(Models.Metadata.Machine.DriverKey);
             if (driver != null)
                 machine.Driver = ConvertFromInternalModel(driver);
 
             var features = item.Read<Models.Metadata.Feature[]>(Models.Metadata.Machine.FeatureKey);
-            if (features != null && features.Any())
-            {
-                machine.Feature = features
-                    .Where(d => d != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (features != null && features.Length > 0)
+                machine.Feature = Array.ConvertAll(features, ConvertFromInternalModel);
 
             var devices = item.Read<Models.Metadata.Device[]>(Models.Metadata.Machine.DeviceKey);
-            if (devices != null && devices.Any())
-            {
-                machine.Device = devices
-                    .Where(d => d != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (devices != null && devices.Length > 0)
+                machine.Device = Array.ConvertAll(devices, ConvertFromInternalModel);
 
             var slots = item.Read<Models.Metadata.Slot[]>(Models.Metadata.Machine.SlotKey);
-            if (slots != null && slots.Any())
-            {
-                machine.Slot = slots
-                    .Where(d => d != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (slots != null && slots.Length > 0)
+                machine.Slot = Array.ConvertAll(slots, ConvertFromInternalModel);
 
             var softwareLists = item.Read<Models.Metadata.SoftwareList[]>(Models.Metadata.Machine.SoftwareListKey);
-            if (softwareLists != null && softwareLists.Any())
-            {
-                machine.SoftwareList = softwareLists
-                    .Where(d => d != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (softwareLists != null && softwareLists.Length > 0)
+                machine.SoftwareList = Array.ConvertAll(softwareLists, ConvertFromInternalModel);
 
             var ramOptions = item.Read<Models.Metadata.RamOption[]>(Models.Metadata.Machine.RamOptionKey);
-            if (ramOptions != null && ramOptions.Any())
-            {
-                machine.RamOption = ramOptions
-                    .Where(d => d != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (ramOptions != null && ramOptions.Length > 0)
+                machine.RamOption = Array.ConvertAll(ramOptions, ConvertFromInternalModel);
 
             return machine;
         }
@@ -347,22 +252,12 @@ namespace SabreTools.Serialization.CrossModel
                 configuration.Condition = ConvertFromInternalModel(condition);
 
             var confLocations = item.Read<Models.Metadata.ConfLocation[]>(Models.Metadata.Configuration.ConfLocationKey);
-            if (confLocations != null && confLocations.Any())
-            {
-                configuration.ConfLocation = confLocations
-                    .Where(c => c != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (confLocations != null && confLocations.Length > 0)
+                configuration.ConfLocation = Array.ConvertAll(confLocations, ConvertFromInternalModel);
 
             var confSettings = item.Read<Models.Metadata.ConfSetting[]>(Models.Metadata.Configuration.ConfSettingKey);
-            if (confSettings != null && confSettings.Any())
-            {
-                configuration.ConfSetting = confSettings
-                    .Where(c => c != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (confSettings != null && confSettings.Length > 0)
+                configuration.ConfSetting = Array.ConvertAll(confSettings, ConvertFromInternalModel);
 
             return configuration;
         }
@@ -442,13 +337,8 @@ namespace SabreTools.Serialization.CrossModel
                 device.Instance = ConvertFromInternalModel(instance);
 
             var extensions = item.Read<Models.Metadata.Extension[]>(Models.Metadata.Device.ExtensionKey);
-            if (extensions != null && extensions.Any())
-            {
-                device.Extension = extensions
-                    .Where(e => e != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (extensions != null && extensions.Length > 0)
+                device.Extension = Array.ConvertAll(extensions, ConvertFromInternalModel);
 
             return device;
         }
@@ -496,22 +386,12 @@ namespace SabreTools.Serialization.CrossModel
                 dipSwitch.Condition = ConvertFromInternalModel(condition);
 
             var dipLocations = item.Read<Models.Metadata.DipLocation[]>(Models.Metadata.DipSwitch.DipLocationKey);
-            if (dipLocations != null && dipLocations.Any())
-            {
-                dipSwitch.DipLocation = dipLocations
-                    .Where(d => d != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (dipLocations != null && dipLocations.Length > 0)
+                dipSwitch.DipLocation = Array.ConvertAll(dipLocations, ConvertFromInternalModel);
 
             var dipValues = item.Read<Models.Metadata.DipValue[]>(Models.Metadata.DipSwitch.DipValueKey);
-            if (dipValues != null && dipValues.Any())
-            {
-                dipSwitch.DipValue = dipValues
-                    .Where(d => d != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (dipValues != null && dipValues.Length > 0)
+                dipSwitch.DipValue = Array.ConvertAll(dipValues, ConvertFromInternalModel);
 
             return dipSwitch;
         }
@@ -644,13 +524,8 @@ namespace SabreTools.Serialization.CrossModel
             };
 
             var controls = item.Read<Models.Metadata.Control[]>(Models.Metadata.Input.ControlKey);
-            if (controls != null && controls.Any())
-            {
-                input.Control = controls
-                    .Where(c => c != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (controls != null && controls.Length > 0)
+                input.Control = Array.ConvertAll(controls, ConvertFromInternalModel);
 
             return input;
         }
@@ -679,13 +554,8 @@ namespace SabreTools.Serialization.CrossModel
             };
 
             var analogs = item.Read<Models.Metadata.Analog[]>(Models.Metadata.Port.AnalogKey);
-            if (analogs != null && analogs.Any())
-            {
-                port.Analog = analogs
-                    .Where(a => a != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (analogs != null && analogs.Length > 0)
+                port.Analog = Array.ConvertAll(analogs, ConvertFromInternalModel);
 
             return port;
         }
@@ -750,13 +620,8 @@ namespace SabreTools.Serialization.CrossModel
             };
 
             var slotOptions = item.Read<Models.Metadata.SlotOption[]>(Models.Metadata.Slot.SlotOptionKey);
-            if (slotOptions != null && slotOptions.Any())
-            {
-                slot.SlotOption = slotOptions
-                    .Where(s => s != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (slotOptions != null && slotOptions.Length > 0)
+                slot.SlotOption = Array.ConvertAll(slotOptions, ConvertFromInternalModel);
 
             return slot;
         }

SabreTools.Serialization/CrossModel/Listxml.Serializer.cs

@@ -1,4 +1,4 @@
-using System.Linq;
+using System;
 using SabreTools.Models.Listxml;
 using SabreTools.Serialization.Interfaces;
 
@@ -17,12 +17,10 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.MetadataFile.HeaderKey] = ConvertHeaderToInternalModel(item),
             };
 
-            if (item?.Game != null && item.Game.Any())
+            if (item?.Game != null && item.Game.Length > 0)
             {
-                metadataFile[Models.Metadata.MetadataFile.MachineKey] = item.Game
-                    .Where(g => g != null)
-                    .Select(ConvertMachineToInternalModel)
-                    .ToArray();
+                metadataFile[Models.Metadata.MetadataFile.MachineKey]
+                    = Array.ConvertAll(item.Game, ConvertMachineToInternalModel);
             }
 
             return metadataFile;
@@ -64,68 +62,52 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.Machine.HistoryKey] = item.History,
             };
 
-            if (item.BiosSet != null && item.BiosSet.Any())
+            if (item.BiosSet != null && item.BiosSet.Length > 0)
             {
-                machine[Models.Metadata.Machine.BiosSetKey] = item.BiosSet
-                    .Where(b => b != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.BiosSetKey]
+                    = Array.ConvertAll(item.BiosSet, ConvertToInternalModel);
             }
 
-            if (item.Rom != null && item.Rom.Any())
+            if (item.Rom != null && item.Rom.Length > 0)
             {
-                machine[Models.Metadata.Machine.RomKey] = item.Rom
-                    .Where(r => r != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.RomKey]
+                    = Array.ConvertAll(item.Rom, ConvertToInternalModel);
             }
 
-            if (item.Disk != null && item.Disk.Any())
+            if (item.Disk != null && item.Disk.Length > 0)
             {
-                machine[Models.Metadata.Machine.DiskKey] = item.Disk
-                    .Where(d => d != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.DiskKey]
+                    = Array.ConvertAll(item.Disk, ConvertToInternalModel);
             }
 
-            if (item.DeviceRef != null && item.DeviceRef.Any())
+            if (item.DeviceRef != null && item.DeviceRef.Length > 0)
             {
-                machine[Models.Metadata.Machine.DeviceRefKey] = item.DeviceRef
-                    .Where(d => d != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.DeviceRefKey]
+                    = Array.ConvertAll(item.DeviceRef, ConvertToInternalModel);
             }
 
-            if (item.Sample != null && item.Sample.Any())
+            if (item.Sample != null && item.Sample.Length > 0)
             {
-                machine[Models.Metadata.Machine.SampleKey] = item.Sample
-                    .Where(s => s != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.SampleKey]
+                    = Array.ConvertAll(item.Sample, ConvertToInternalModel);
             }
 
-            if (item.Chip != null && item.Chip.Any())
+            if (item.Chip != null && item.Chip.Length > 0)
             {
-                machine[Models.Metadata.Machine.ChipKey] = item.Chip
-                    .Where(c => c != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.ChipKey]
+                    = Array.ConvertAll(item.Chip, ConvertToInternalModel);
             }
 
-            if (item.Display != null && item.Display.Any())
+            if (item.Display != null && item.Display.Length > 0)
             {
-                machine[Models.Metadata.Machine.DisplayKey] = item.Display
-                    .Where(d => d != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.DisplayKey]
+                    = Array.ConvertAll(item.Display, ConvertToInternalModel);
             }
 
-            if (item.Video != null && item.Video.Any())
+            if (item.Video != null && item.Video.Length > 0)
             {
-                machine[Models.Metadata.Machine.VideoKey] = item.Video
-                    .Where(v => v != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.VideoKey]
+                    = Array.ConvertAll(item.Video, ConvertToInternalModel);
             }
 
             if (item.Sound != null)
@@ -134,79 +116,61 @@ namespace SabreTools.Serialization.CrossModel
             if (item.Input != null)
                 machine[Models.Metadata.Machine.InputKey] = ConvertToInternalModel(item.Input);
 
-            if (item.DipSwitch != null && item.DipSwitch.Any())
+            if (item.DipSwitch != null && item.DipSwitch.Length > 0)
             {
-                machine[Models.Metadata.Machine.DipSwitchKey] = item.DipSwitch
-                    .Where(d => d != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.DipSwitchKey]
+                    = Array.ConvertAll(item.DipSwitch, ConvertToInternalModel);
             }
 
-            if (item.Configuration != null && item.Configuration.Any())
+            if (item.Configuration != null && item.Configuration.Length > 0)
             {
-                machine[Models.Metadata.Machine.ConfigurationKey] = item.Configuration
-                    .Where(c => c != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.ConfigurationKey]
+                    = Array.ConvertAll(item.Configuration, ConvertToInternalModel);
             }
 
-            if (item.Port != null && item.Port.Any())
+            if (item.Port != null && item.Port.Length > 0)
             {
-                machine[Models.Metadata.Machine.PortKey] = item.Port
-                    .Where(p => p != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.PortKey]
+                    = Array.ConvertAll(item.Port, ConvertToInternalModel);
             }
 
-            if (item.Adjuster != null && item.Adjuster.Any())
+            if (item.Adjuster != null && item.Adjuster.Length > 0)
             {
-                machine[Models.Metadata.Machine.AdjusterKey] = item.Adjuster
-                    .Where(a => a != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.AdjusterKey]
+                    = Array.ConvertAll(item.Adjuster, ConvertToInternalModel);
             }
 
             if (item.Driver != null)
                 machine[Models.Metadata.Machine.DriverKey] = ConvertToInternalModel(item.Driver);
 
-            if (item.Feature != null && item.Feature.Any())
+            if (item.Feature != null && item.Feature.Length > 0)
             {
-                machine[Models.Metadata.Machine.FeatureKey] = item.Feature
-                    .Where(f => f != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.FeatureKey]
+                    = Array.ConvertAll(item.Feature, ConvertToInternalModel);
             }
 
-            if (item.Device != null && item.Device.Any())
+            if (item.Device != null && item.Device.Length > 0)
             {
-                machine[Models.Metadata.Machine.DeviceKey] = item.Device
-                    .Where(d => d != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.DeviceKey]
+                    = Array.ConvertAll(item.Device, ConvertToInternalModel);
             }
 
-            if (item.Slot != null && item.Slot.Any())
+            if (item.Slot != null && item.Slot.Length > 0)
             {
-                machine[Models.Metadata.Machine.SlotKey] = item.Slot
-                    .Where(s => s != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.SlotKey]
+                    = Array.ConvertAll(item.Slot, ConvertToInternalModel);
             }
 
-            if (item.SoftwareList != null && item.SoftwareList.Any())
+            if (item.SoftwareList != null && item.SoftwareList.Length > 0)
             {
-                machine[Models.Metadata.Machine.SoftwareListKey] = item.SoftwareList
-                    .Where(s => s != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.SoftwareListKey]
+                    = Array.ConvertAll(item.SoftwareList, ConvertToInternalModel);
             }
 
-            if (item.RamOption != null && item.RamOption.Any())
+            if (item.RamOption != null && item.RamOption.Length > 0)
             {
-                machine[Models.Metadata.Machine.RamOptionKey] = item.RamOption
-                    .Where(r => r != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.RamOptionKey]
+                    = Array.ConvertAll(item.RamOption, ConvertToInternalModel);
             }
 
             return machine;
@@ -301,20 +265,16 @@ namespace SabreTools.Serialization.CrossModel
             if (item.Condition != null)
                 configuration[Models.Metadata.Configuration.ConditionKey] = ConvertToInternalModel(item.Condition);
 
-            if (item.ConfLocation != null && item.ConfLocation.Any())
+            if (item.ConfLocation != null && item.ConfLocation.Length > 0)
             {
-                configuration[Models.Metadata.Configuration.ConfLocationKey] = item.ConfLocation
-                    .Where(c => c != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                configuration[Models.Metadata.Configuration.ConfLocationKey]
+                    = Array.ConvertAll(item.ConfLocation, ConvertToInternalModel);
             }
 
-            if (item.ConfSetting != null && item.ConfSetting.Any())
+            if (item.ConfSetting != null && item.ConfSetting.Length > 0)
             {
-                configuration[Models.Metadata.Configuration.ConfSettingKey] = item.ConfSetting
-                    .Where(c => c != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                configuration[Models.Metadata.Configuration.ConfSettingKey]
+                    = Array.ConvertAll(item.ConfSetting, ConvertToInternalModel);
             }
 
             return configuration;
@@ -392,12 +352,10 @@ namespace SabreTools.Serialization.CrossModel
             if (item.Instance != null)
                 device[Models.Metadata.Device.InstanceKey] = ConvertToInternalModel(item.Instance);
 
-            if (item.Extension != null && item.Extension.Any())
+            if (item.Extension != null && item.Extension.Length > 0)
             {
-                device[Models.Metadata.Device.ExtensionKey] = item.Extension
-                    .Where(e => e != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                device[Models.Metadata.Device.ExtensionKey]
+                    = Array.ConvertAll(item.Extension, ConvertToInternalModel);
             }
 
             return device;
@@ -444,20 +402,16 @@ namespace SabreTools.Serialization.CrossModel
             if (item.Condition != null)
                 dipSwitch[Models.Metadata.DipSwitch.ConditionKey] = ConvertToInternalModel(item.Condition);
 
-            if (item.DipLocation != null && item.DipLocation.Any())
+            if (item.DipLocation != null && item.DipLocation.Length > 0)
             {
-                dipSwitch[Models.Metadata.DipSwitch.DipLocationKey] = item.DipLocation
-                    .Where(d => d != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                dipSwitch[Models.Metadata.DipSwitch.DipLocationKey]
+                    = Array.ConvertAll(item.DipLocation, ConvertToInternalModel);
             }
 
-            if (item.DipValue != null && item.DipValue.Any())
+            if (item.DipValue != null && item.DipValue.Length > 0)
             {
-                dipSwitch[Models.Metadata.DipSwitch.DipValueKey] = item.DipValue
-                    .Where(d => d != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                dipSwitch[Models.Metadata.DipSwitch.DipValueKey]
+                    = Array.ConvertAll(item.DipValue, ConvertToInternalModel);
             }
 
             return dipSwitch;
@@ -589,12 +543,10 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.Input.CoinsKey] = item.Coins,
             };
 
-            if (item.Control != null && item.Control.Any())
+            if (item.Control != null && item.Control.Length > 0)
             {
-                input[Models.Metadata.Input.ControlKey] = item.Control
-                    .Where(c => c != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                input[Models.Metadata.Input.ControlKey]
+                    = Array.ConvertAll(item.Control, ConvertToInternalModel);
             }
 
             return input;
@@ -623,12 +575,10 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.Port.TagKey] = item.Tag,
             };
 
-            if (item.Analog != null && item.Analog.Any())
+            if (item.Analog != null && item.Analog.Length > 0)
             {
-                port[Models.Metadata.Port.AnalogKey] = item.Analog
-                    .Where(a => a != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                port[Models.Metadata.Port.AnalogKey]
+                    = Array.ConvertAll(item.Analog, ConvertToInternalModel);
             }
 
             return port;
@@ -693,12 +643,10 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.Slot.NameKey] = item.Name,
             };
 
-            if (item.SlotOption != null && item.SlotOption.Any())
+            if (item.SlotOption != null && item.SlotOption.Length > 0)
             {
-                slot[Models.Metadata.Slot.SlotOptionKey] = item.SlotOption
-                    .Where(s => s != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                slot[Models.Metadata.Slot.SlotOptionKey]
+                    = Array.ConvertAll(item.SlotOption, ConvertToInternalModel);
             }
 
             return slot;

SabreTools.Serialization/CrossModel/Logiqx.Deserializer.cs

@@ -1,4 +1,4 @@
-using System.Linq;
+using System;
 using SabreTools.Models.Logiqx;
 using SabreTools.Serialization.Interfaces;
 
@@ -28,13 +28,8 @@ namespace SabreTools.Serialization.CrossModel
 
             // TODO: Handle Dir items - Currently need to be generated from the machines
             var machines = obj.Read<Models.Metadata.Machine[]>(Models.Metadata.MetadataFile.MachineKey);
-            if (machines != null && machines.Any())
-            {
-                datafile.Game = machines
-                    .Where(m => m != null)
-                    .Select(machine => ConvertMachineFromInternalModel(machine, game))
-                    .ToArray();
-            }
+            if (machines != null && machines.Length > 0)
+                datafile.Game = Array.ConvertAll(machines, m => ConvertMachineFromInternalModel(m, game));
 
             return datafile;
         }
@@ -130,89 +125,44 @@ namespace SabreTools.Serialization.CrossModel
                 gameBase.Trurip = trurip;
 
             var releases = item.Read<Models.Metadata.Release[]>(Models.Metadata.Machine.ReleaseKey);
-            if (releases != null && releases.Any())
-            {
-                gameBase.Release = releases
-                    .Where(r => r != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (releases != null && releases.Length > 0)
+                gameBase.Release = Array.ConvertAll(releases, ConvertFromInternalModel);
 
             var biosSets = item.Read<Models.Metadata.BiosSet[]>(Models.Metadata.Machine.BiosSetKey);
-            if (biosSets != null && biosSets.Any())
-            {
-                gameBase.BiosSet = biosSets
-                    .Where(b => b != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (biosSets != null && biosSets.Length > 0)
+                gameBase.BiosSet = Array.ConvertAll(biosSets, ConvertFromInternalModel);
 
             var roms = item.Read<Models.Metadata.Rom[]>(Models.Metadata.Machine.RomKey);
-            if (roms != null && roms.Any())
-            {
-                gameBase.Rom = roms
-                    .Where(r => r != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (roms != null && roms.Length > 0)
+                gameBase.Rom = Array.ConvertAll(roms, ConvertFromInternalModel);
 
             var disks = item.Read<Models.Metadata.Disk[]>(Models.Metadata.Machine.DiskKey);
-            if (disks != null && disks.Any())
-            {
-                gameBase.Disk = disks
-                    .Where(d => d != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (disks != null && disks.Length > 0)
+                gameBase.Disk = Array.ConvertAll(disks, ConvertFromInternalModel);
 
             var medias = item.Read<Models.Metadata.Media[]>(Models.Metadata.Machine.MediaKey);
-            if (medias != null && medias.Any())
-            {
-                gameBase.Media = medias
-                    .Where(m => m != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (medias != null && medias.Length > 0)
+                gameBase.Media = Array.ConvertAll(medias, ConvertFromInternalModel);
 
             var deviceRefs = item.Read<Models.Metadata.DeviceRef[]>(Models.Metadata.Machine.DeviceRefKey);
-            if (deviceRefs != null && deviceRefs.Any())
-            {
-                gameBase.DeviceRef = deviceRefs
-                    .Where(m => m != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (deviceRefs != null && deviceRefs.Length > 0)
+                gameBase.DeviceRef = Array.ConvertAll(deviceRefs, ConvertFromInternalModel);
 
             var samples = item.Read<Models.Metadata.Sample[]>(Models.Metadata.Machine.SampleKey);
-            if (samples != null && samples.Any())
-            {
-                gameBase.Sample = samples
-                    .Where(m => m != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (samples != null && samples.Length > 0)
+                gameBase.Sample = Array.ConvertAll(samples, ConvertFromInternalModel);
 
             var archives = item.Read<Models.Metadata.Archive[]>(Models.Metadata.Machine.ArchiveKey);
-            if (archives != null && archives.Any())
-            {
-                gameBase.Archive = archives
-                    .Where(m => m != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (archives != null && archives.Length > 0)
+                gameBase.Archive = Array.ConvertAll(archives, ConvertFromInternalModel);
 
             var driver = item.Read<Models.Metadata.Driver>(Models.Metadata.Machine.DriverKey);
             if (driver != null)
                 gameBase.Driver = ConvertFromInternalModel(driver);
 
             var softwareLists = item.Read<Models.Metadata.SoftwareList[]>(Models.Metadata.Machine.SoftwareListKey);
-            if (softwareLists != null && softwareLists.Any())
-            {
-                gameBase.SoftwareList = softwareLists
-                    .Where(m => m != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (softwareLists != null && softwareLists.Length > 0)
+                gameBase.SoftwareList = Array.ConvertAll(softwareLists, ConvertFromInternalModel);
 
             return gameBase;
         }

SabreTools.Serialization/CrossModel/Logiqx.Serializer.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Linq;
 using SabreTools.Models.Logiqx;
 using SabreTools.Serialization.Interfaces;
 
@@ -20,21 +19,15 @@ namespace SabreTools.Serialization.CrossModel
 
             var machines = new List<Models.Metadata.Machine>();
 
-            if (item.Game != null && item.Game.Any())
+            if (item.Game != null && item.Game.Length > 0)
+                machines.AddRange(Array.ConvertAll(item.Game, ConvertMachineToInternalModel));
+
+            foreach (var dir in item.Dir ?? [])
             {
-                machines.AddRange(item.Game
-                     .Where(g => g != null)
-                     .Select(ConvertMachineToInternalModel));
+                machines.AddRange(ConvertDirToInternalModel(dir));
             }
 
-            if (item.Dir != null && item.Dir.Any())
-            {
-                machines.AddRange(item.Dir
-                    .Where(d => d != null)
-                    .SelectMany(ConvertDirToInternalModel));
-            }
-
-            if (machines.Any())
+            if (machines.Count > 0)
                 metadataFile[Models.Metadata.MetadataFile.MachineKey] = machines.ToArray();
 
             return metadataFile;
@@ -103,18 +96,15 @@ namespace SabreTools.Serialization.CrossModel
         /// </summary>
         private static Models.Metadata.Machine[] ConvertDirToInternalModel(Dir item)
         {
-            if (item.Game == null || !item.Game.Any())
+            if (item.Game == null || item.Game.Length == 0)
                 return [];
 
-            return item.Game
-                .Where(g => g != null)
-                .Select(game =>
+            return Array.ConvertAll(item.Game, g =>
                 {
-                    var machine = ConvertMachineToInternalModel(game);
+                    var machine = ConvertMachineToInternalModel(g);
                     machine[Models.Metadata.Machine.DirNameKey] = item.Name;
                     return machine;
-                })
-                .ToArray();
+                });
         }
 
         /// <summary>
@@ -146,35 +136,35 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.Machine.TruripKey] = item.Trurip,
             };
 
-            if (item.Release != null && item.Release.Any())
-                machine[Models.Metadata.Machine.ReleaseKey] = item.Release.Select(ConvertToInternalModel).ToArray();
+            if (item.Release != null && item.Release.Length > 0)
+                machine[Models.Metadata.Machine.ReleaseKey] = Array.ConvertAll(item.Release, ConvertToInternalModel);
 
-            if (item.BiosSet != null && item.BiosSet.Any())
-                machine[Models.Metadata.Machine.BiosSetKey] = item.BiosSet.Select(ConvertToInternalModel).ToArray();
+            if (item.BiosSet != null && item.BiosSet.Length > 0)
+                machine[Models.Metadata.Machine.BiosSetKey] = Array.ConvertAll(item.BiosSet, ConvertToInternalModel);
 
-            if (item.Rom != null && item.Rom.Any())
-                machine[Models.Metadata.Machine.RomKey] = item.Rom.Select(ConvertToInternalModel).ToArray();
+            if (item.Rom != null && item.Rom.Length > 0)
+                machine[Models.Metadata.Machine.RomKey] = Array.ConvertAll(item.Rom, ConvertToInternalModel);
 
-            if (item.Disk != null && item.Disk.Any())
-                machine[Models.Metadata.Machine.DiskKey] = item.Disk.Select(ConvertToInternalModel).ToArray();
+            if (item.Disk != null && item.Disk.Length > 0)
+                machine[Models.Metadata.Machine.DiskKey] = Array.ConvertAll(item.Disk, ConvertToInternalModel);
 
-            if (item.Media != null && item.Media.Any())
-                machine[Models.Metadata.Machine.MediaKey] = item.Media.Select(ConvertToInternalModel).ToArray();
+            if (item.Media != null && item.Media.Length > 0)
+                machine[Models.Metadata.Machine.MediaKey] = Array.ConvertAll(item.Media, ConvertToInternalModel);
 
-            if (item.DeviceRef != null && item.DeviceRef.Any())
-                machine[Models.Metadata.Machine.DeviceRefKey] = item.DeviceRef.Select(ConvertToInternalModel).ToArray();
+            if (item.DeviceRef != null && item.DeviceRef.Length > 0)
+                machine[Models.Metadata.Machine.DeviceRefKey] = Array.ConvertAll(item.DeviceRef, ConvertToInternalModel);
 
-            if (item.Sample != null && item.Sample.Any())
-                machine[Models.Metadata.Machine.SampleKey] = item.Sample.Select(ConvertToInternalModel).ToArray();
+            if (item.Sample != null && item.Sample.Length > 0)
+                machine[Models.Metadata.Machine.SampleKey] = Array.ConvertAll(item.Sample, ConvertToInternalModel);
 
-            if (item.Archive != null && item.Archive.Any())
-                machine[Models.Metadata.Machine.ArchiveKey] = item.Archive.Select(ConvertToInternalModel).ToArray();
+            if (item.Archive != null && item.Archive.Length > 0)
+                machine[Models.Metadata.Machine.ArchiveKey] = Array.ConvertAll(item.Archive, ConvertToInternalModel);
 
             if (item.Driver != null)
                 machine[Models.Metadata.Machine.DriverKey] = ConvertToInternalModel(item.Driver);
 
-            if (item.SoftwareList != null && item.SoftwareList.Any())
-                machine[Models.Metadata.Machine.SoftwareListKey] = item.SoftwareList.Select(ConvertToInternalModel).ToArray();
+            if (item.SoftwareList != null && item.SoftwareList.Length > 0)
+                machine[Models.Metadata.Machine.SoftwareListKey] = Array.ConvertAll(item.SoftwareList, ConvertToInternalModel);
 
             return machine;
         }

SabreTools.Serialization/CrossModel/M1.Deserializer.cs

@@ -1,4 +1,4 @@
-using System.Linq;
+using System;
 using SabreTools.Serialization.Interfaces;
 
 namespace SabreTools.Serialization.CrossModel
@@ -15,13 +15,8 @@ namespace SabreTools.Serialization.CrossModel
             var m1 = header != null ? ConvertM1FromInternalModel(header) : new Models.Listxml.M1();
 
             var machines = obj.Read<Models.Metadata.Machine[]>(Models.Metadata.MetadataFile.MachineKey);
-            if (machines != null && machines.Any())
-            {
-                m1.Game = machines
-                    .Where(m => m != null)
-                    .Select(Listxml.ConvertMachineFromInternalModel)
-                    .ToArray();
-            }
+            if (machines != null && machines.Length > 0)
+                m1.Game = Array.ConvertAll(machines, Listxml.ConvertMachineFromInternalModel);
 
             return m1;
         }

SabreTools.Serialization/CrossModel/M1.Serializer.cs

@@ -1,4 +1,4 @@
-using System.Linq;
+using System;
 using SabreTools.Serialization.Interfaces;
 
 namespace SabreTools.Serialization.CrossModel
@@ -16,12 +16,10 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.MetadataFile.HeaderKey] = ConvertHeaderToInternalModel(item),
             };
 
-            if (item?.Game != null && item.Game.Any())
+            if (item?.Game != null && item.Game.Length > 0)
             {
-                metadataFile[Models.Metadata.MetadataFile.MachineKey] = item.Game
-                    .Where(g => g != null)
-                    .Select(Listxml.ConvertMachineToInternalModel)
-                    .ToArray();
+                metadataFile[Models.Metadata.MetadataFile.MachineKey]
+                    = Array.ConvertAll(item.Game, Listxml.ConvertMachineToInternalModel);
             }
 
             return metadataFile;

SabreTools.Serialization/CrossModel/OfflineList.Deserializer.cs

@@ -1,4 +1,4 @@
-using System.Linq;
+using System;
 using SabreTools.Models.OfflineList;
 using SabreTools.Serialization.Interfaces;
 
@@ -16,14 +16,11 @@ namespace SabreTools.Serialization.CrossModel
             var dat = header != null ? ConvertHeaderFromInternalModel(header) : new Dat();
 
             var machines = obj.Read<Models.Metadata.Machine[]>(Models.Metadata.MetadataFile.MachineKey);
-            if (machines != null && machines.Any())
+            if (machines != null && machines.Length > 0)
             {
                 dat.Games = new Games
                 {
-                    Game = machines
-                        .Where(m => m != null)
-                        .Select(ConvertMachineFromInternalModel)
-                        .ToArray()
+                    Game = Array.ConvertAll(machines, ConvertMachineFromInternalModel),
                 };
             }
 
@@ -101,17 +98,12 @@ namespace SabreTools.Serialization.CrossModel
             };
 
             var roms = item.Read<Models.Metadata.Rom[]>(Models.Metadata.Machine.RomKey);
-            if (roms != null && roms.Any())
+            if (roms != null && roms.Length > 0)
             {
-                game.RomSize = roms
-                    .Select(rom => rom.ReadString(Models.Metadata.Rom.SizeKey))
-                    .FirstOrDefault(s => s != null);
-
-                var romCRCs = roms
-                    .Where(r => r != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
+                var romSizes = Array.ConvertAll(roms, r => r.ReadLong(Models.Metadata.Rom.SizeKey) ?? -1);
+                game.RomSize = Array.Find(romSizes, s => s > -1).ToString();
 
+                var romCRCs = Array.ConvertAll(roms, ConvertFromInternalModel);;
                 game.Files = new Models.OfflineList.Files { RomCRC = romCRCs };
             }
 

SabreTools.Serialization/CrossModel/OfflineList.Serializer.cs

@@ -1,4 +1,4 @@
-using System.Linq;
+using System;
 using SabreTools.Models.OfflineList;
 using SabreTools.Serialization.Interfaces;
 
@@ -17,12 +17,10 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.MetadataFile.HeaderKey] = ConvertHeaderToInternalModel(item),
             };
 
-            if (item?.Games?.Game != null && item.Games.Game.Any())
+            if (item?.Games?.Game != null && item.Games.Game.Length > 0)
             {
-                metadataFile[Models.Metadata.MetadataFile.MachineKey] = item.Games.Game
-                    .Where(g => g != null)
-                    .Select(ConvertMachineToInternalModel)
-                    .ToArray();
+                metadataFile[Models.Metadata.MetadataFile.MachineKey]
+                    = Array.ConvertAll(item.Games.Game, ConvertMachineToInternalModel);
             }
 
             return metadataFile;
@@ -82,17 +80,15 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.Machine.DuplicateIDKey] = item.DuplicateID,
             };
 
-            if (item.Files?.RomCRC != null && item.Files.RomCRC.Any())
+            if (item.Files?.RomCRC != null && item.Files.RomCRC.Length > 0)
             {
-                machine[Models.Metadata.Machine.RomKey] = item.Files.RomCRC
-                    .Where(r => r != null)
-                    .Select(romCRC =>
-                    {
-                        var rom = ConvertToInternalModel(romCRC);
-                        rom[Models.Metadata.Rom.SizeKey] = item.RomSize;
-                        return rom;
-                    })
-                    .ToArray();
+                machine[Models.Metadata.Machine.RomKey]
+                    = Array.ConvertAll(item.Files.RomCRC, romCRC =>
+                        {
+                            var rom = ConvertToInternalModel(romCRC);
+                            rom[Models.Metadata.Rom.SizeKey] = item.RomSize;
+                            return rom;
+                        });
             }
 
             return machine;

SabreTools.Serialization/CrossModel/OpenMSX.Deserializer.cs

@@ -1,4 +1,4 @@
-using System.Linq;
+using System;
 using SabreTools.Models.OpenMSX;
 using SabreTools.Serialization.Interfaces;
 
@@ -16,13 +16,8 @@ namespace SabreTools.Serialization.CrossModel
             var softwareDb = header != null ? ConvertHeaderFromInternalModel(header) : new SoftwareDb();
 
             var machines = obj.Read<Models.Metadata.Machine[]>(Models.Metadata.MetadataFile.MachineKey);
-            if (machines != null && machines.Any())
-            {
-                softwareDb.Software = machines
-                    .Where(m => m != null)
-                    .Select(ConvertMachineFromInternalModel)
-                    .ToArray();
-            }
+            if (machines != null && machines.Length > 0)
+                softwareDb.Software = Array.ConvertAll(machines, ConvertMachineFromInternalModel);
             
             return softwareDb;
         }
@@ -55,13 +50,8 @@ namespace SabreTools.Serialization.CrossModel
             };
 
             var dumps = item.Read<Models.Metadata.Dump[]>(Models.Metadata.Machine.DumpKey);
-            if (dumps != null && dumps.Any())
-            {
-                game.Dump = dumps
-                    .Where(d => d != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (dumps != null && dumps.Length > 0)
+                game.Dump = Array.ConvertAll(dumps, ConvertFromInternalModel);
 
             return game;
         }

SabreTools.Serialization/CrossModel/OpenMSX.Serializer.cs

@@ -1,4 +1,4 @@
-using System.Linq;
+using System;
 using SabreTools.Models.OpenMSX;
 using SabreTools.Serialization.Interfaces;
 
@@ -17,12 +17,10 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.MetadataFile.HeaderKey] = ConvertHeaderToInternalModel(item),
             };
 
-            if (item?.Software != null && item.Software.Any())
+            if (item?.Software != null && item.Software.Length > 0)
             {
-                metadataFile[Models.Metadata.MetadataFile.MachineKey] = item.Software
-                    .Where(s => s != null)
-                    .Select(ConvertMachineToInternalModel)
-                    .ToArray();
+                metadataFile[Models.Metadata.MetadataFile.MachineKey]
+                    = Array.ConvertAll(item.Software, ConvertMachineToInternalModel);
             }
 
             return metadataFile;
@@ -55,12 +53,10 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.Machine.CountryKey] = item.Country,
             };
 
-            if (item.Dump != null && item.Dump.Any())
+            if (item.Dump != null && item.Dump.Length > 0)
             {
-                machine[Models.Metadata.Machine.DumpKey] = item.Dump
-                    .Where(d => d != null)
-                    .Select(ConvertToInternalModel)
-                    .ToArray();
+                machine[Models.Metadata.Machine.DumpKey]
+                    = Array.ConvertAll(item.Dump, ConvertToInternalModel);
             }
 
             return machine;

SabreTools.Serialization/CrossModel/RomCenter.Deserializer.cs

@@ -1,5 +1,5 @@
 using System;
-using System.Linq;
+using System.Collections.Generic;
 using SabreTools.Models.RomCenter;
 using SabreTools.Serialization.Interfaces;
 
@@ -17,17 +17,13 @@ namespace SabreTools.Serialization.CrossModel
             var metadataFile = header != null ? ConvertHeaderFromInternalModel(header) : new MetadataFile();
 
             var machines = obj.Read<Models.Metadata.Machine[]>(Models.Metadata.MetadataFile.MachineKey);
-            if (machines != null && machines.Any())
+            var items = new List<Rom>();
+            foreach (var machine in machines ?? [])
             {
-                metadataFile.Games = new Games
-                {
-                    Rom = machines
-                        .Where(m => m != null)
-                        .SelectMany(ConvertMachineFromInternalModel)
-                        .ToArray()
-                };
+                items.AddRange(ConvertMachineFromInternalModel(machine));
             }
 
+            metadataFile.Games = new Games { Rom = [.. items] };
             return metadataFile;
         }
 
@@ -93,10 +89,7 @@ namespace SabreTools.Serialization.CrossModel
             if (roms == null)
                 return [];
 
-            return roms
-                .Where(r => r != null)
-                .Select(rom => ConvertFromInternalModel(rom, item))
-                .ToArray();
+            return Array.ConvertAll(roms, r => ConvertFromInternalModel(r, item));
         }
 
         /// <summary>

SabreTools.Serialization/CrossModel/RomCenter.Serializer.cs

@@ -1,4 +1,4 @@
-using System.Linq;
+using System;
 using SabreTools.Models.RomCenter;
 using SabreTools.Serialization.Interfaces;
 
@@ -17,11 +17,10 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.MetadataFile.HeaderKey] = ConvertHeaderToInternalModel(obj),
             };
 
-            if (obj?.Games?.Rom != null && obj.Games.Rom.Any())
+            if (obj?.Games?.Rom != null && obj.Games.Rom.Length > 0)
             {
-                metadataFile[Models.Metadata.MetadataFile.MachineKey] = obj.Games.Rom
-                    .Where(r => r != null)
-                    .Select(ConvertMachineToInternalModel).ToArray();
+                metadataFile[Models.Metadata.MetadataFile.MachineKey]
+                    = Array.ConvertAll(obj.Games.Rom, ConvertMachineToInternalModel);
             }
 
             return metadataFile;

SabreTools.Serialization/CrossModel/SeparatedValue.Deserializer.cs

@@ -1,5 +1,5 @@
+using System;
 using System.Collections.Generic;
-using System.Linq;
 using SabreTools.Models.SeparatedValue;
 using SabreTools.Serialization.Interfaces;
 
@@ -17,14 +17,13 @@ namespace SabreTools.Serialization.CrossModel
             var metadataFile = header != null ? ConvertHeaderFromInternalModel(header) : new MetadataFile();
 
             var machines = obj.Read<Models.Metadata.Machine[]>(Models.Metadata.MetadataFile.MachineKey);
-            if (machines != null && machines.Any())
+            var items = new List<Row>();
+            foreach (var machine in machines ?? [])
             {
-                metadataFile.Row = machines
-                    .Where(m => m != null)
-                    .SelectMany(m => ConvertMachineFromInternalModel(m, header))
-                    .ToArray();
+                items.AddRange(ConvertMachineFromInternalModel(machine, header));
             }
 
+            metadataFile.Row = [.. items];
             return metadataFile;
         }
 
@@ -48,27 +47,24 @@ namespace SabreTools.Serialization.CrossModel
             var rowItems = new List<Row>();
 
             var roms = item.Read<Models.Metadata.Rom[]>(Models.Metadata.Machine.RomKey);
-            if (roms != null && roms.Any())
+            if (roms != null && roms.Length > 0)
             {
-                rowItems.AddRange(roms
-                    .Where(r => r != null)
-                    .Select(rom => ConvertFromInternalModel(rom, item, header)));
+                rowItems.AddRange(
+                    Array.ConvertAll(roms, r => ConvertFromInternalModel(r, item, header)));
             }
 
             var disks = item.Read<Models.Metadata.Disk[]>(Models.Metadata.Machine.DiskKey);
-            if (disks != null && disks.Any())
+            if (disks != null && disks.Length > 0)
             {
-                rowItems.AddRange(disks
-                    .Where(d => d != null)
-                    .Select(disk => ConvertFromInternalModel(disk, item, header)));
+                rowItems.AddRange(
+                    Array.ConvertAll(disks, d => ConvertFromInternalModel(d, item, header)));
             }
 
             var media = item.Read<Models.Metadata.Media[]>(Models.Metadata.Machine.MediaKey);
-            if (media != null && media.Any())
+            if (media != null && media.Length > 0)
             {
-                rowItems.AddRange(media
-                    .Where(m => m != null)
-                    .Select(medium => ConvertFromInternalModel(medium, item, header)));
+                rowItems.AddRange(
+                    Array.ConvertAll(media, m => ConvertFromInternalModel(m, item, header)));
             }
 
             return rowItems.ToArray();

SabreTools.Serialization/CrossModel/SeparatedValue.Serializer.cs

@@ -1,4 +1,4 @@
-using System.Linq;
+using System;
 using SabreTools.Models.SeparatedValue;
 using SabreTools.Serialization.Interfaces;
 
@@ -17,8 +17,11 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.MetadataFile.HeaderKey] = ConvertHeaderToInternalModel(obj),
             };
 
-            if (obj?.Row != null && obj.Row.Any())
-                metadataFile[Models.Metadata.MetadataFile.MachineKey] = obj.Row.Select(ConvertMachineToInternalModel).ToArray();
+            if (obj?.Row != null && obj.Row.Length > 0)
+            {
+                metadataFile[Models.Metadata.MetadataFile.MachineKey]
+                    = Array.ConvertAll(obj.Row, ConvertMachineToInternalModel);
+            }
 
             return metadataFile;
         }
@@ -33,7 +36,7 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.Header.HeaderKey] = item.Header,
             };
 
-            if (item.Row != null && item.Row.Any())
+            if (item.Row != null && item.Row.Length > 0)
             {
                 var first = item.Row[0];
                 //header[Models.Metadata.Header.FileNameKey] = first.FileName; // Not possible to map

SabreTools.Serialization/CrossModel/SoftwareList.Deserializer.cs

@@ -1,4 +1,4 @@
-using System.Linq;
+using System;
 using SabreTools.Models.SoftwareList;
 using SabreTools.Serialization.Interfaces;
 
@@ -16,13 +16,8 @@ namespace SabreTools.Serialization.CrossModel
             var metadataFile = header != null ? ConvertHeaderFromInternalModel(header) : new Models.SoftwareList.SoftwareList();
 
             var machines = obj.Read<Models.Metadata.Machine[]>(Models.Metadata.MetadataFile.MachineKey);
-            if (machines != null && machines.Any())
-            {
-                metadataFile.Software = machines
-                    .Where(m => m != null)
-                    .Select(ConvertMachineFromInternalModel)
-                    .ToArray();
-            }
+            if (machines != null && machines.Length > 0)
+                metadataFile.Software = Array.ConvertAll(machines, ConvertMachineFromInternalModel);
 
             return metadataFile;
         }
@@ -58,31 +53,16 @@ namespace SabreTools.Serialization.CrossModel
             };
 
             var infos = item.Read<Models.Metadata.Info[]>(Models.Metadata.Machine.InfoKey);
-            if (infos != null && infos.Any())
-            {
-                software.Info = infos
-                    .Where(i => i != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (infos != null && infos.Length > 0)
+                software.Info = Array.ConvertAll(infos, ConvertFromInternalModel);
 
             var sharedFeats = item.Read<Models.Metadata.SharedFeat[]>(Models.Metadata.Machine.SharedFeatKey);
-            if (sharedFeats != null && sharedFeats.Any())
-            {
-                software.SharedFeat = sharedFeats
-                    .Where(s => s != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (sharedFeats != null && sharedFeats.Length > 0)
+                software.SharedFeat = Array.ConvertAll(sharedFeats, ConvertFromInternalModel);
 
             var parts = item.Read<Models.Metadata.Part[]>(Models.Metadata.Machine.PartKey);
-            if (parts != null && parts.Any())
-            {
-                software.Part = parts
-                    .Where(p => p != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (parts != null && parts.Length > 0)
+                software.Part = Array.ConvertAll(parts, ConvertFromInternalModel);
 
             return software;
         }
@@ -101,13 +81,8 @@ namespace SabreTools.Serialization.CrossModel
             };
 
             var roms = item.Read<Models.Metadata.Rom[]>(Models.Metadata.DataArea.RomKey);
-            if (roms != null && roms.Any())
-            {
-                dataArea.Rom = roms
-                    .Where(r => r != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (roms != null && roms.Length > 0)
+                dataArea.Rom = Array.ConvertAll(roms,ConvertFromInternalModel);
 
             return dataArea;
         }
@@ -125,13 +100,8 @@ namespace SabreTools.Serialization.CrossModel
             };
 
             var dipValues = item.Read<Models.Metadata.DipValue[]>(Models.Metadata.DipSwitch.DipValueKey);
-            if (dipValues != null && dipValues.Any())
-            {
-                dipSwitch.DipValue = dipValues
-                    .Where(d => d != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (dipValues != null && dipValues.Length > 0)
+                dipSwitch.DipValue = Array.ConvertAll(dipValues, ConvertFromInternalModel);
 
             return dipSwitch;
         }
@@ -177,13 +147,8 @@ namespace SabreTools.Serialization.CrossModel
             };
 
             var disks = item.Read<Models.Metadata.Disk[]>(Models.Metadata.DiskArea.DiskKey);
-            if (disks != null && disks.Any())
-            {
-                diskArea.Disk = disks
-                    .Where(d => d != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (disks != null && disks.Length > 0)
+                diskArea.Disk = Array.ConvertAll(disks, ConvertFromInternalModel);
 
             return diskArea;
         }
@@ -226,40 +191,20 @@ namespace SabreTools.Serialization.CrossModel
             };
 
             var features = item.Read<Models.Metadata.Feature[]>(Models.Metadata.Part.FeatureKey);
-            if (features != null && features.Any())
-            {
-                part.Feature = features
-                    .Where(f => f != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (features != null && features.Length > 0)
+                part.Feature = Array.ConvertAll(features, ConvertFromInternalModel);
 
             var dataAreas = item.Read<Models.Metadata.DataArea[]>(Models.Metadata.Part.DataAreaKey);
-            if (dataAreas != null && dataAreas.Any())
-            {
-                part.DataArea = dataAreas
-                    .Where(d => d != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (dataAreas != null && dataAreas.Length > 0)
+                part.DataArea = Array.ConvertAll(dataAreas, ConvertFromInternalModel);
 
             var diskAreas = item.Read<Models.Metadata.DiskArea[]>(Models.Metadata.Part.DiskAreaKey);
-            if (diskAreas != null && diskAreas.Any())
-            {
-                part.DiskArea = diskAreas
-                    .Where(d => d != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (diskAreas != null && diskAreas.Length > 0)
+                part.DiskArea = Array.ConvertAll(diskAreas, ConvertFromInternalModel);
 
             var dipSwitches = item.Read<Models.Metadata.DipSwitch[]>(Models.Metadata.Part.DipSwitchKey);
-            if (dipSwitches != null && dipSwitches.Any())
-            {
-                part.DipSwitch = dipSwitches
-                    .Where(d => d != null)
-                    .Select(ConvertFromInternalModel)
-                    .ToArray();
-            }
+            if (dipSwitches != null && dipSwitches.Length > 0)
+                part.DipSwitch = Array.ConvertAll(dipSwitches, ConvertFromInternalModel);
 
             return part;
         }

SabreTools.Serialization/CrossModel/SoftwareList.Serializer.cs

@@ -1,4 +1,4 @@
-using System.Linq;
+using System;
 using SabreTools.Models.SoftwareList;
 using SabreTools.Serialization.Interfaces;
 
@@ -17,12 +17,10 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.MetadataFile.HeaderKey] = ConvertHeaderToInternalModel(item),
             };
 
-            if (item?.Software != null && item.Software.Any())
+            if (item?.Software != null && item.Software.Length > 0)
             {
-                metadataFile[Models.Metadata.MetadataFile.MachineKey] = item.Software
-                    .Where(s => s != null)
-                    .Select(ConvertMachineToInternalModel)
-                    .ToArray();
+                metadataFile[Models.Metadata.MetadataFile.MachineKey]
+                    = Array.ConvertAll(item.Software, ConvertMachineToInternalModel);
             }
 
             return metadataFile;
@@ -58,14 +56,14 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.Machine.NotesKey] = item.Notes,
             };
 
-            if (item.Info != null && item.Info.Any())
-                machine[Models.Metadata.Machine.InfoKey] = item.Info.Select(ConvertToInternalModel).ToArray();
+            if (item.Info != null && item.Info.Length > 0)
+                machine[Models.Metadata.Machine.InfoKey] = Array.ConvertAll(item.Info, ConvertToInternalModel);
 
-            if (item.SharedFeat != null && item.SharedFeat.Any())
-                machine[Models.Metadata.Machine.SharedFeatKey] = item.SharedFeat.Select(ConvertToInternalModel).ToArray();
+            if (item.SharedFeat != null && item.SharedFeat.Length > 0)
+                machine[Models.Metadata.Machine.SharedFeatKey] = Array.ConvertAll(item.SharedFeat, ConvertToInternalModel);
 
-            if (item.Part != null && item.Part.Any())
-                machine[Models.Metadata.Machine.PartKey] = item.Part.Select(ConvertToInternalModel).ToArray();
+            if (item.Part != null && item.Part.Length > 0)
+                machine[Models.Metadata.Machine.PartKey] = Array.ConvertAll(item.Part, ConvertToInternalModel);
 
             return machine;
         }
@@ -83,8 +81,8 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.DataArea.EndiannessKey] = item.Endianness,
             };
 
-            if (item.Rom != null && item.Rom.Any())
-                dataArea[Models.Metadata.DataArea.RomKey] = item.Rom.Select(ConvertToInternalModel).ToArray();
+            if (item.Rom != null && item.Rom.Length > 0)
+                dataArea[Models.Metadata.DataArea.RomKey] = Array.ConvertAll(item.Rom, ConvertToInternalModel);
 
             return dataArea;
         }
@@ -101,8 +99,8 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.DipSwitch.MaskKey] = item.Mask,
             };
 
-            if (item.DipValue != null && item.DipValue.Any())
-                dipSwitch[Models.Metadata.DipSwitch.DipValueKey] = item.DipValue.Select(ConvertToInternalModel).ToArray();
+            if (item.DipValue != null && item.DipValue.Length > 0)
+                dipSwitch[Models.Metadata.DipSwitch.DipValueKey] = Array.ConvertAll(item.DipValue, ConvertToInternalModel);
 
             return dipSwitch;
         }
@@ -147,8 +145,8 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.DiskArea.NameKey] = item.Name,
             };
 
-            if (item.Disk != null && item.Disk.Any())
-                diskArea[Models.Metadata.DiskArea.DiskKey] = item.Disk.Select(ConvertToInternalModel).ToArray();
+            if (item.Disk != null && item.Disk.Length > 0)
+                diskArea[Models.Metadata.DiskArea.DiskKey] = Array.ConvertAll(item.Disk, ConvertToInternalModel);
 
             return diskArea;
         }
@@ -190,17 +188,17 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.Part.InterfaceKey] = item.Interface,
             };
 
-            if (item.Feature != null && item.Feature.Any())
-                part[Models.Metadata.Part.FeatureKey] = item.Feature.Select(ConvertToInternalModel).ToArray();
+            if (item.Feature != null && item.Feature.Length > 0)
+                part[Models.Metadata.Part.FeatureKey] = Array.ConvertAll(item.Feature, ConvertToInternalModel);
 
-            if (item.DataArea != null && item.DataArea.Any())
-                part[Models.Metadata.Part.DataAreaKey] = item.DataArea.Select(ConvertToInternalModel).ToArray();
+            if (item.DataArea != null && item.DataArea.Length > 0)
+                part[Models.Metadata.Part.DataAreaKey] = Array.ConvertAll(item.DataArea, ConvertToInternalModel);
 
-            if (item.DiskArea != null && item.DiskArea.Any())
-                part[Models.Metadata.Part.DiskAreaKey] = item.DiskArea.Select(ConvertToInternalModel).ToArray();
+            if (item.DiskArea != null && item.DiskArea.Length > 0)
+                part[Models.Metadata.Part.DiskAreaKey] = Array.ConvertAll(item.DiskArea, ConvertToInternalModel);
 
-            if (item.DipSwitch != null && item.DipSwitch.Any())
-                part[Models.Metadata.Part.DipSwitchKey] = item.DipSwitch.Select(ConvertToInternalModel).ToArray();
+            if (item.DipSwitch != null && item.DipSwitch.Length > 0)
+                part[Models.Metadata.Part.DipSwitchKey] = Array.ConvertAll(item.DipSwitch, ConvertToInternalModel);
 
             return part;
         }

SabreTools.Serialization/Deserializers/AACS.cs

@@ -59,7 +59,7 @@ namespace SabreTools.Serialization.Deserializers
             }
 
             // Set the records
-            mediaKeyBlock.Records = records.ToArray();
+            mediaKeyBlock.Records = [.. records];
 
             #endregion
 
@@ -164,7 +164,7 @@ namespace SabreTools.Serialization.Deserializers
             }
 
             // Set the subset differences
-            record.SubsetDifferences = subsetDifferences.ToArray();
+            record.SubsetDifferences = [.. subsetDifferences];
 
             // If there's any data left, discard it
             if (data.Position < initialOffset + length)
@@ -205,7 +205,7 @@ namespace SabreTools.Serialization.Deserializers
             }
 
             // Set the media keys
-            record.MediaKeyData = mediaKeys.ToArray();
+            record.MediaKeyData = [.. mediaKeys];
 
             return record;
         }
@@ -243,7 +243,7 @@ namespace SabreTools.Serialization.Deserializers
             }
 
             // Set the offsets
-            record.Offsets = offsets.ToArray();
+            record.Offsets = [.. offsets];
 
             return record;
         }
@@ -322,7 +322,7 @@ namespace SabreTools.Serialization.Deserializers
             }
 
             // Set the signature blocks
-            record.SignatureBlocks = blocks.ToArray();
+            record.SignatureBlocks = [.. blocks];
 
             // If there's any data left, discard it
             if (data.Position < initialOffset + length)
@@ -383,7 +383,7 @@ namespace SabreTools.Serialization.Deserializers
             }
 
             // Set the signature blocks
-            record.SignatureBlocks = blocks.ToArray();
+            record.SignatureBlocks = [.. blocks];
 
             // If there's any data left, discard it
             if (data.Position < initialOffset + length)

SabreTools.Serialization/Deserializers/AttractMode.cs

@@ -1,6 +1,5 @@
 using System.Collections.Generic;
 using System.IO;
-using System.Linq;
 using System.Text;
 using SabreTools.IO.Readers;
 using SabreTools.Models.AttractMode;
@@ -38,7 +37,7 @@ namespace SabreTools.Serialization.Deserializers
             if (!reader.ReadHeader() || reader.HeaderValues == null)
                 return null;
 
-            dat.Header = reader.HeaderValues.ToArray();
+            dat.Header = [.. reader.HeaderValues];
 
             // Loop through the rows and parse out values
             var rows = new List<Row>();
@@ -72,10 +71,6 @@ namespace SabreTools.Serialization.Deserializers
                         Extra = reader.Line[15],
                         Buttons = reader.Line[16],
                     };
-
-                    // If we have additional fields
-                    if (reader.Line.Count > HeaderWithoutRomnameCount)
-                        row.ADDITIONAL_ELEMENTS = reader.Line.Skip(HeaderWithoutRomnameCount).ToArray();
                 }
                 else
                 {
@@ -99,17 +94,13 @@ namespace SabreTools.Serialization.Deserializers
                         Extra = reader.Line[15],
                         Buttons = reader.Line[16],
                     };
-
-                    // If we have additional fields
-                    if (reader.Line.Count > HeaderWithRomnameCount)
-                        row.ADDITIONAL_ELEMENTS = reader.Line.Skip(HeaderWithRomnameCount).ToArray();
                 }
 
                 rows.Add(row);
             }
 
             // Assign the rows to the Dat and return
-            dat.Row = rows.ToArray();
+            dat.Row = [.. rows];
             return dat;
         }
 

SabreTools.Serialization/Deserializers/BSP.cs

@@ -1,5 +1,4 @@
 using System.IO;
-using System.Linq;
 using System.Text;
 using SabreTools.IO.Extensions;
 using SabreTools.Models.BSP;
@@ -165,9 +164,9 @@ namespace SabreTools.Serialization.Deserializers
             // TODO: Use marshalling here instead of building
             var texture = new Texture();
 
-            byte[]? name = data.ReadBytes(16)?.TakeWhile(c => c != '\0')?.ToArray();
+            byte[]? name = data.ReadBytes(16);
             if (name != null)
-                texture.Name = Encoding.ASCII.GetString(name);
+                texture.Name = Encoding.ASCII.GetString(name).TrimEnd('\0');
             texture.Width = data.ReadUInt32();
             texture.Height = data.ReadUInt32();
             texture.Offsets = new uint[4];

SabreTools.Serialization/Deserializers/BaseBinaryDeserializer.cs

@@ -1,7 +1,5 @@
 using System;
-using System.Collections.Generic;
 using System.IO;
-using System.Linq;
 using System.Reflection;
 using SabreTools.Serialization.Interfaces;
 
@@ -108,12 +106,13 @@ namespace SabreTools.Serialization.Deserializers
             if (deserializerName == null)
                 return default;
 
-            // If the deserializer has no model type
-            Type? modelType = typeof(TDeserializer).GetGenericArguments()?.FirstOrDefault();
-            if (modelType == null)
+            // If the deserializer has no generic arguments
+            var genericArgs = typeof(TDeserializer).GetGenericArguments();
+            if (genericArgs.Length == 0)
                 return default;
 
             // Loop through all loaded assemblies
+            Type modelType = genericArgs[0];
             foreach (var assembly in AppDomain.CurrentDomain.GetAssemblies())
             {
                 // If the assembly is invalid
@@ -121,19 +120,23 @@ namespace SabreTools.Serialization.Deserializers
                     return default;
 
                 // If not all types can be loaded, use the ones that could be
-                List<Type> assemblyTypes = [];
+                Type?[] assemblyTypes = [];
                 try
                 {
-                    assemblyTypes = assembly.GetTypes().ToList<Type>();
+                    assemblyTypes = assembly.GetTypes();
                 }
                 catch (ReflectionTypeLoadException rtle)
                 {
-                    assemblyTypes = rtle.Types.Where(t => t != null)!.ToList<Type>();
+                    assemblyTypes = rtle.Types ?? [];
                 }
 
                 // Loop through all types 
-                foreach (Type type in assemblyTypes)
+                foreach (Type? type in assemblyTypes)
                 {
+                    // If the type is invalid
+                    if (type == null)
+                        continue;
+
                     // If the type isn't a class
                     if (!type.IsClass)
                         continue;

SabreTools.Serialization/Deserializers/CFB.cs

@@ -77,7 +77,7 @@ namespace SabreTools.Serialization.Deserializers
             }
 
             // Assign the DIFAT sectors table
-            binary.DIFATSectorNumbers = difatSectors.ToArray();
+            binary.DIFATSectorNumbers = [.. difatSectors];
 
             #endregion
 
@@ -115,7 +115,7 @@ namespace SabreTools.Serialization.Deserializers
             }
 
             // Assign the FAT sectors table
-            binary.FATSectorNumbers = fatSectors.ToArray();
+            binary.FATSectorNumbers = [.. fatSectors];
 
             #endregion
 
@@ -153,7 +153,7 @@ namespace SabreTools.Serialization.Deserializers
             }
 
             // Assign the mini FAT sectors table
-            binary.MiniFATSectorNumbers = miniFatSectors.ToArray();
+            binary.MiniFATSectorNumbers = [.. miniFatSectors];
 
             #endregion
 
@@ -219,7 +219,7 @@ namespace SabreTools.Serialization.Deserializers
             }
 
             // Assign the Directory sectors table
-            binary.DirectoryEntries = directorySectors.ToArray();
+            binary.DirectoryEntries = [.. directorySectors];
 
             #endregion
 

SabreTools.Serialization/Deserializers/CHD.cs

@@ -0,0 +1,253 @@
+using System;
+using System.IO;
+using System.Text;
+using SabreTools.IO.Extensions;
+using SabreTools.Models.CHD;
+
+namespace SabreTools.Serialization.Deserializers
+{
+    // TODO: Expand this to full CHD files eventually
+    public class CHD : BaseBinaryDeserializer<Header>
+    {
+        /// <inheritdoc/>
+        public override Header? Deserialize(Stream? data)
+        {
+            // If the data is invalid
+            if (data == null || data.Length == 0 || !data.CanSeek || !data.CanRead)
+                return null;
+
+            // If the offset is out of bounds
+            if (data.Position < 0 || data.Position >= data.Length)
+                return null;
+
+            // Cache the current offset
+            int initialOffset = (int)data.Position;
+
+            // Determine the header version
+            uint version = GetVersion(data);
+
+            // Read and return the current CHD
+            return version switch
+            {
+                1 => ParseHeaderV1(data),
+                2 => ParseHeaderV2(data),
+                3 => ParseHeaderV3(data),
+                4 => ParseHeaderV4(data),
+                5 => ParseHeaderV5(data),
+                _ => null,
+            };
+        }
+
+        /// <summary>
+        /// Get the matching CHD version, if possible
+        /// </summary>
+        /// <returns>Matching version, 0 if none</returns>
+        private static uint GetVersion(Stream data)
+        {
+            // Read the header values
+            byte[] tagBytes = data.ReadBytes(8);
+            string tag = Encoding.ASCII.GetString(tagBytes);
+            uint length = data.ReadUInt32BigEndian();
+            uint version = data.ReadUInt32BigEndian();
+
+            // Seek back to start
+            data.SeekIfPossible();
+
+            // Check the signature
+            if (!string.Equals(tag, Constants.SignatureString, StringComparison.Ordinal))
+                return 0;
+
+            // Match the version to header length
+#if NET472_OR_GREATER || NETCOREAPP
+            return (version, length) switch
+            {
+                (1, Constants.HeaderV1Size) => version,
+                (2, Constants.HeaderV2Size) => version,
+                (3, Constants.HeaderV3Size) => version,
+                (4, Constants.HeaderV4Size) => version,
+                (5, Constants.HeaderV5Size) => version,
+                _ => 0,
+            };
+#else
+            return version switch
+            {
+                1 => length == Constants.HeaderV1Size ? version : 0,
+                2 => length == Constants.HeaderV2Size ? version : 0,
+                3 => length == Constants.HeaderV3Size ? version : 0,
+                4 => length == Constants.HeaderV4Size ? version : 0,
+                5 => length == Constants.HeaderV5Size ? version : 0,
+                _ => 0,
+            };
+#endif
+        }
+
+        /// <summary>
+        /// Parse a Stream into a V1 header
+        /// </summary>
+        private static HeaderV1? ParseHeaderV1(Stream data)
+        {
+            var header = new HeaderV1();
+
+            byte[] tagBytes = data.ReadBytes(8);
+            header.Tag = Encoding.ASCII.GetString(tagBytes);
+            if (header.Tag != Constants.SignatureString)
+                return null;
+
+            header.Length = data.ReadUInt32BigEndian();
+            if (header.Length != Constants.HeaderV1Size)
+                return null;
+
+            header.Version = data.ReadUInt32BigEndian();
+            header.Flags = (Flags)data.ReadUInt32BigEndian();
+            header.Compression = (CompressionType)data.ReadUInt32BigEndian();
+            if (header.Compression > CompressionType.CHDCOMPRESSION_ZLIB)
+                return null;
+
+            header.HunkSize = data.ReadUInt32BigEndian();
+            header.TotalHunks = data.ReadUInt32BigEndian();
+            header.Cylinders = data.ReadUInt32BigEndian();
+            header.Heads = data.ReadUInt32BigEndian();
+            header.Sectors = data.ReadUInt32BigEndian();
+            header.MD5 = data.ReadBytes(16);
+            header.ParentMD5 = data.ReadBytes(16);
+
+            return header;
+        }
+
+        /// <summary>
+        /// Parse a Stream into a V2 header
+        /// </summary>
+        private static HeaderV2? ParseHeaderV2(Stream data)
+        {
+            var header = new HeaderV2();
+
+            byte[] tagBytes = data.ReadBytes(8);
+            header.Tag = Encoding.ASCII.GetString(tagBytes);
+            if (header.Tag != Constants.SignatureString)
+                return null;
+
+            header.Length = data.ReadUInt32BigEndian();
+            if (header.Length != Constants.HeaderV2Size)
+                return null;
+
+            header.Version = data.ReadUInt32BigEndian();
+            header.Flags = (Flags)data.ReadUInt32BigEndian();
+            header.Compression = (CompressionType)data.ReadUInt32BigEndian();
+            if (header.Compression > CompressionType.CHDCOMPRESSION_ZLIB)
+                return null;
+
+            header.HunkSize = data.ReadUInt32BigEndian();
+            header.TotalHunks = data.ReadUInt32BigEndian();
+            header.Cylinders = data.ReadUInt32BigEndian();
+            header.Heads = data.ReadUInt32BigEndian();
+            header.Sectors = data.ReadUInt32BigEndian();
+            header.MD5 = data.ReadBytes(16);
+            header.ParentMD5 = data.ReadBytes(16);
+            header.BytesPerSector = data.ReadUInt32BigEndian();
+
+            return header;
+        }
+
+        /// <summary>
+        /// Parse a Stream into a V3 header
+        /// </summary>
+        private static HeaderV3? ParseHeaderV3(Stream data)
+        {
+            var header = new HeaderV3();
+
+            byte[] tagBytes = data.ReadBytes(8);
+            header.Tag = Encoding.ASCII.GetString(tagBytes);
+            if (header.Tag != Constants.SignatureString)
+                return null;
+
+            header.Length = data.ReadUInt32BigEndian();
+            if (header.Length != Constants.HeaderV3Size)
+                return null;
+
+            header.Version = data.ReadUInt32BigEndian();
+            header.Flags = (Flags)data.ReadUInt32BigEndian();
+            header.Compression = (CompressionType)data.ReadUInt32BigEndian();
+            if (header.Compression > CompressionType.CHDCOMPRESSION_ZLIB_PLUS)
+                return null;
+
+            header.TotalHunks = data.ReadUInt32BigEndian();
+            header.LogicalBytes = data.ReadUInt64BigEndian();
+            header.MetaOffset = data.ReadUInt64BigEndian();
+            header.MD5 = data.ReadBytes(16);
+            header.ParentMD5 = data.ReadBytes(16);
+            header.HunkBytes = data.ReadUInt32BigEndian();
+            header.SHA1 = data.ReadBytes(20);
+            header.ParentSHA1 = data.ReadBytes(20);
+
+            return header;
+        }
+
+        /// <summary>
+        /// Parse a Stream into a V4 header
+        /// </summary>
+        private static HeaderV4? ParseHeaderV4(Stream data)
+        {
+            var header = new HeaderV4();
+
+            byte[] tagBytes = data.ReadBytes(8);
+            header.Tag = Encoding.ASCII.GetString(tagBytes);
+            if (header.Tag != Constants.SignatureString)
+                return null;
+
+            header.Length = data.ReadUInt32BigEndian();
+            if (header.Length != Constants.HeaderV4Size)
+                return null;
+
+            header.Version = data.ReadUInt32BigEndian();
+            header.Flags = (Flags)data.ReadUInt32BigEndian();
+            header.Compression = (CompressionType)data.ReadUInt32BigEndian();
+            if (header.Compression > CompressionType.CHDCOMPRESSION_AV)
+                return null;
+
+            header.TotalHunks = data.ReadUInt32BigEndian();
+            header.LogicalBytes = data.ReadUInt64BigEndian();
+            header.MetaOffset = data.ReadUInt64BigEndian();
+            header.HunkBytes = data.ReadUInt32BigEndian();
+            header.SHA1 = data.ReadBytes(20);
+            header.ParentSHA1 = data.ReadBytes(20);
+            header.RawSHA1 = data.ReadBytes(20);
+
+            return header;
+        }
+
+        /// <summary>
+        /// Parse a Stream into a V5 header
+        /// </summary>
+        private static HeaderV5? ParseHeaderV5(Stream data)
+        {
+            var header = new HeaderV5();
+
+            byte[] tagBytes = data.ReadBytes(8);
+            header.Tag = Encoding.ASCII.GetString(tagBytes);
+            if (header.Tag != Constants.SignatureString)
+                return null;
+
+            header.Length = data.ReadUInt32BigEndian();
+            if (header.Length != Constants.HeaderV5Size)
+                return null;
+
+            header.Version = data.ReadUInt32BigEndian();
+            header.Compressors = new CodecType[4];
+            for (int i = 0; i < header.Compressors.Length; i++)
+            {
+                header.Compressors[i] = (CodecType)data.ReadUInt32BigEndian();
+            }
+
+            header.LogicalBytes = data.ReadUInt64BigEndian();
+            header.MapOffset = data.ReadUInt64BigEndian();
+            header.MetaOffset = data.ReadUInt64BigEndian();
+            header.HunkBytes = data.ReadUInt32BigEndian();
+            header.UnitBytes = data.ReadUInt32BigEndian();
+            header.RawSHA1 = data.ReadBytes(20);
+            header.SHA1 = data.ReadBytes(20);
+            header.ParentSHA1 = data.ReadBytes(20);
+
+            return header;
+        }
+    }
+}

SabreTools.Serialization/Deserializers/ClrMamePro.cs

@@ -70,7 +70,7 @@ namespace SabreTools.Serialization.Deserializers
             var deserializer = new ClrMamePro();
             return deserializer.Deserialize(data, quotes);
         }
-        
+
         /// <inheritdoc/>
         public override MetadataFile? Deserialize(Stream? data)
             => Deserialize(data, true);
@@ -102,9 +102,6 @@ namespace SabreTools.Serialization.Deserializers
             var videos = new List<Video>();
             var dipSwitches = new List<DipSwitch>();
 
-            var additional = new List<string>();
-            var headerAdditional = new List<string>();
-            var gameAdditional = new List<string>();
             while (!reader.EndOfStream)
             {
                 // If we have no next line
@@ -120,12 +117,6 @@ namespace SabreTools.Serialization.Deserializers
                     case CmpRowType.EndTopLevel:
                         switch (lastTopLevel)
                         {
-                            case "doscenter":
-                                if (dat.ClrMamePro != null)
-                                    dat.ClrMamePro.ADDITIONAL_ELEMENTS = [.. headerAdditional];
-
-                                headerAdditional.Clear();
-                                break;
                             case "game":
                             case "machine":
                             case "resource":
@@ -142,7 +133,6 @@ namespace SabreTools.Serialization.Deserializers
                                     game.Chip = [.. chips];
                                     game.Video = [.. videos];
                                     game.DipSwitch = [.. dipSwitches];
-                                    game.ADDITIONAL_ELEMENTS = [.. gameAdditional];
 
                                     games.Add(game);
                                     game = null;
@@ -158,10 +148,6 @@ namespace SabreTools.Serialization.Deserializers
                                 chips.Clear();
                                 videos.Clear();
                                 dipSwitches.Clear();
-                                gameAdditional.Clear();
-                                break;
-                            default:
-                                // No-op
                                 break;
                         }
                         continue;
@@ -188,10 +174,6 @@ namespace SabreTools.Serialization.Deserializers
                         case "set":
                             game = new Set();
                             break;
-                        default:
-                            if (reader.CurrentLine != null)
-                                additional.Add(reader.CurrentLine);
-                            break;
                     }
                 }
 
@@ -249,10 +231,6 @@ namespace SabreTools.Serialization.Deserializers
                         case "forcepacking":
                             dat.ClrMamePro.ForcePacking = reader.Standalone?.Value;
                             break;
-                        default:
-                            if (reader.CurrentLine != null)
-                                headerAdditional.Add(reader.CurrentLine);
-                            break;
                     }
                 }
 
@@ -303,14 +281,9 @@ namespace SabreTools.Serialization.Deserializers
                             var sample = new Sample
                             {
                                 Name = reader.Standalone?.Value ?? string.Empty,
-                                ADDITIONAL_ELEMENTS = [],
                             };
                             samples.Add(sample);
                             break;
-                        default:
-                            if (reader.CurrentLine != null)
-                                gameAdditional.Add(reader.CurrentLine);
-                            break;
                     }
                 }
 
@@ -391,22 +364,13 @@ namespace SabreTools.Serialization.Deserializers
                                 game.Driver = driver;
                             break;
                         default:
-                            if (reader.CurrentLine != null)
-                                gameAdditional.Add(reader.CurrentLine);
                             continue;
                     }
                 }
-
-                else
-                {
-                    if (reader.CurrentLine != null)
-                        additional.Add(reader.CurrentLine);
-                }
             }
 
             // Add extra pieces and return
             dat.Game = [.. games];
-            dat.ADDITIONAL_ELEMENTS = [.. additional];
             return dat;
         }
 
@@ -447,7 +411,6 @@ namespace SabreTools.Serialization.Deserializers
                 }
             }
 
-            release.ADDITIONAL_ELEMENTS = [.. itemAdditional];
             return release;
         }
 
@@ -461,7 +424,6 @@ namespace SabreTools.Serialization.Deserializers
             if (reader.Internal == null)
                 return null;
 
-            var itemAdditional = new List<string>();
             var biosset = new BiosSet();
             foreach (var kvp in reader.Internal)
             {
@@ -476,13 +438,9 @@ namespace SabreTools.Serialization.Deserializers
                     case "default":
                         biosset.Default = kvp.Value;
                         break;
-                    default:
-                        itemAdditional.Add($"{kvp.Key}: {kvp.Value}");
-                        break;
                 }
             }
 
-            biosset.ADDITIONAL_ELEMENTS = [.. itemAdditional];
             return biosset;
         }
 
@@ -496,7 +454,6 @@ namespace SabreTools.Serialization.Deserializers
             if (reader.Internal == null)
                 return null;
 
-            var itemAdditional = new List<string>();
             var rom = new Rom();
             foreach (var kvp in reader.Internal)
             {
@@ -565,13 +522,9 @@ namespace SabreTools.Serialization.Deserializers
                     case "mia":
                         rom.MIA = kvp.Value;
                         break;
-                    default:
-                        itemAdditional.Add($"{kvp.Key}: {kvp.Value}");
-                        break;
                 }
             }
 
-            rom.ADDITIONAL_ELEMENTS = [.. itemAdditional];
             return rom;
         }
 
@@ -585,7 +538,6 @@ namespace SabreTools.Serialization.Deserializers
             if (reader.Internal == null)
                 return null;
 
-            var itemAdditional = new List<string>();
             var disk = new Disk();
             foreach (var kvp in reader.Internal)
             {
@@ -609,13 +561,9 @@ namespace SabreTools.Serialization.Deserializers
                     case "flags":
                         disk.Flags = kvp.Value;
                         break;
-                    default:
-                        itemAdditional.Add($"{kvp.Key}: {kvp.Value}");
-                        break;
                 }
             }
 
-            disk.ADDITIONAL_ELEMENTS = [.. itemAdditional];
             return disk;
         }
 
@@ -629,7 +577,6 @@ namespace SabreTools.Serialization.Deserializers
             if (reader.Internal == null)
                 return null;
 
-            var itemAdditional = new List<string>();
             var media = new Media();
             foreach (var kvp in reader.Internal)
             {
@@ -650,13 +597,9 @@ namespace SabreTools.Serialization.Deserializers
                     case "spamsum":
                         media.SpamSum = kvp.Value;
                         break;
-                    default:
-                        itemAdditional.Add($"{kvp.Key}: {kvp.Value}");
-                        break;
                 }
             }
 
-            media.ADDITIONAL_ELEMENTS = [.. itemAdditional];
             return media;
         }
 
@@ -670,7 +613,6 @@ namespace SabreTools.Serialization.Deserializers
             if (reader.Internal == null)
                 return null;
 
-            var itemAdditional = new List<string>();
             var sample = new Sample();
             foreach (var kvp in reader.Internal)
             {
@@ -679,13 +621,9 @@ namespace SabreTools.Serialization.Deserializers
                     case "name":
                         sample.Name = kvp.Value;
                         break;
-                    default:
-                        itemAdditional.Add($"{kvp.Key}: {kvp.Value}");
-                        break;
                 }
             }
 
-            sample.ADDITIONAL_ELEMENTS = [.. itemAdditional];
             return sample;
         }
 
@@ -699,7 +637,6 @@ namespace SabreTools.Serialization.Deserializers
             if (reader.Internal == null)
                 return null;
 
-            var itemAdditional = new List<string>();
             var archive = new Archive();
             foreach (var kvp in reader.Internal)
             {
@@ -708,13 +645,9 @@ namespace SabreTools.Serialization.Deserializers
                     case "name":
                         archive.Name = kvp.Value;
                         break;
-                    default:
-                        itemAdditional.Add($"{kvp.Key}: {kvp.Value}");
-                        break;
                 }
             }
 
-            archive.ADDITIONAL_ELEMENTS = [.. itemAdditional];
             return archive;
         }
 
@@ -728,7 +661,6 @@ namespace SabreTools.Serialization.Deserializers
             if (reader.Internal == null)
                 return null;
 
-            var itemAdditional = new List<string>();
             var chip = new Chip();
             foreach (var kvp in reader.Internal)
             {
@@ -746,13 +678,9 @@ namespace SabreTools.Serialization.Deserializers
                     case "clock":
                         chip.Clock = kvp.Value;
                         break;
-                    default:
-                        itemAdditional.Add($"{kvp.Key}: {kvp.Value}");
-                        break;
                 }
             }
 
-            chip.ADDITIONAL_ELEMENTS = itemAdditional.ToArray();
             return chip;
         }
 
@@ -766,7 +694,6 @@ namespace SabreTools.Serialization.Deserializers
             if (reader.Internal == null)
                 return null;
 
-            var itemAdditional = new List<string>();
             var video = new Video();
             foreach (var kvp in reader.Internal)
             {
@@ -793,13 +720,9 @@ namespace SabreTools.Serialization.Deserializers
                     case "freq":
                         video.Freq = kvp.Value;
                         break;
-                    default:
-                        itemAdditional.Add($"{kvp.Key}: {kvp.Value}");
-                        break;
                 }
             }
 
-            video.ADDITIONAL_ELEMENTS = itemAdditional.ToArray();
             return video;
         }
 
@@ -813,7 +736,6 @@ namespace SabreTools.Serialization.Deserializers
             if (reader.Internal == null)
                 return null;
 
-            var itemAdditional = new List<string>();
             var sound = new Sound();
             foreach (var kvp in reader.Internal)
             {
@@ -822,13 +744,9 @@ namespace SabreTools.Serialization.Deserializers
                     case "channels":
                         sound.Channels = kvp.Value;
                         break;
-                    default:
-                        itemAdditional.Add($"{kvp.Key}: {kvp.Value}");
-                        break;
                 }
             }
 
-            sound.ADDITIONAL_ELEMENTS = itemAdditional.ToArray();
             return sound;
         }
 
@@ -842,7 +760,6 @@ namespace SabreTools.Serialization.Deserializers
             if (reader.Internal == null)
                 return null;
 
-            var itemAdditional = new List<string>();
             var input = new Input();
             foreach (var kvp in reader.Internal)
             {
@@ -866,13 +783,9 @@ namespace SabreTools.Serialization.Deserializers
                     case "service":
                         input.Service = kvp.Value;
                         break;
-                    default:
-                        itemAdditional.Add($"{kvp.Key}: {kvp.Value}");
-                        break;
                 }
             }
 
-            input.ADDITIONAL_ELEMENTS = itemAdditional.ToArray();
             return input;
         }
 
@@ -886,7 +799,6 @@ namespace SabreTools.Serialization.Deserializers
             if (reader.Internal == null)
                 return null;
 
-            var itemAdditional = new List<string>();
             var dipswitch = new DipSwitch();
             var entries = new List<string>();
             foreach (var kvp in reader.Internal)
@@ -902,14 +814,10 @@ namespace SabreTools.Serialization.Deserializers
                     case "default":
                         dipswitch.Default = kvp.Value;
                         break;
-                    default:
-                        itemAdditional.Add($"{kvp.Key}: {kvp.Value}");
-                        break;
                 }
             }
 
             dipswitch.Entry = [.. entries];
-            dipswitch.ADDITIONAL_ELEMENTS = itemAdditional.ToArray();
             return dipswitch;
         }
 
@@ -923,7 +831,6 @@ namespace SabreTools.Serialization.Deserializers
             if (reader.Internal == null)
                 return null;
 
-            var itemAdditional = new List<string>();
             var driver = new Driver();
             foreach (var kvp in reader.Internal)
             {
@@ -944,13 +851,9 @@ namespace SabreTools.Serialization.Deserializers
                     case "blit":
                         driver.Blit = kvp.Value;
                         break;
-                    default:
-                        itemAdditional.Add($"{kvp.Key}: {kvp.Value}");
-                        break;
                 }
             }
 
-            driver.ADDITIONAL_ELEMENTS = itemAdditional.ToArray();
             return driver;
         }
 

SabreTools.Serialization/Deserializers/CueSheet.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
-using System.Linq;
 using System.Text.RegularExpressions;
 using SabreTools.IO.Extensions;
 using SabreTools.Models.CueSheets;
@@ -44,11 +43,13 @@ namespace SabreTools.Serialization.Deserializers
                     continue;
 
                 // http://stackoverflow.com/questions/554013/regular-expression-to-split-on-spaces-unless-in-quotes
-                string[] splitLine = Regex
-                    .Matches(line, @"[^\s""]+|""[^""]*""")
-                    .Cast<Match>()
-                    .Select(m => m.Groups[0].Value)
-                    .ToArray();
+                var matchCol = Regex.Matches(line, @"[^\s""]+|""[^""]*""");
+                var splitLine = new List<string>();
+                foreach (Match? match in matchCol)
+                {
+                    if (match != null)
+                        splitLine.Add(match.Groups[0].Value);
+                }
 
                 switch (splitLine[0])
                 {
@@ -59,7 +60,7 @@ namespace SabreTools.Serialization.Deserializers
 
                     // Read MCN
                     case "CATALOG":
-                        if (splitLine.Length < 2)
+                        if (splitLine.Count < 2)
                             throw new FormatException($"CATALOG line malformed: {line}");
 
                         cueSheet.Catalog = splitLine[1].Trim('"');
@@ -67,7 +68,7 @@ namespace SabreTools.Serialization.Deserializers
 
                     // Read external CD-Text file path
                     case "CDTEXTFILE":
-                        if (splitLine.Length < 2)
+                        if (splitLine.Count < 2)
                             throw new FormatException($"CDTEXTFILE line malformed: {line}");
 
                         cueSheet.CdTextFile = splitLine[1].Trim('"');
@@ -75,7 +76,7 @@ namespace SabreTools.Serialization.Deserializers
 
                     // Read CD-Text enhanced performer
                     case "PERFORMER":
-                        if (splitLine.Length < 2)
+                        if (splitLine.Count < 2)
                             throw new FormatException($"PERFORMER line malformed: {line}");
 
                         cueSheet.Performer = splitLine[1].Trim('"');
@@ -83,7 +84,7 @@ namespace SabreTools.Serialization.Deserializers
 
                     // Read CD-Text enhanced songwriter
                     case "SONGWRITER":
-                        if (splitLine.Length < 2)
+                        if (splitLine.Count < 2)
                             throw new FormatException($"SONGWRITER line malformed: {line}");
 
                         cueSheet.Songwriter = splitLine[1].Trim('"');
@@ -91,7 +92,7 @@ namespace SabreTools.Serialization.Deserializers
 
                     // Read CD-Text enhanced title
                     case "TITLE":
-                        if (splitLine.Length < 2)
+                        if (splitLine.Count < 2)
                             throw new FormatException($"TITLE line malformed: {line}");
 
                         cueSheet.Title = splitLine[1].Trim('"');
@@ -99,7 +100,7 @@ namespace SabreTools.Serialization.Deserializers
 
                     // Read file information
                     case "FILE":
-                        if (splitLine.Length < 3)
+                        if (splitLine.Count < 3)
                             throw new FormatException($"FILE line malformed: {line}");
 
                         var file = CreateCueFile(splitLine[1], splitLine[2], data, out lastLine);
@@ -152,11 +153,13 @@ namespace SabreTools.Serialization.Deserializers
                     continue;
 
                 // http://stackoverflow.com/questions/554013/regular-expression-to-split-on-spaces-unless-in-quotes
-                string[] splitLine = Regex
-                    .Matches(line, @"[^\s""]+|""[^""]*""")
-                    .Cast<Match>()
-                    .Select(m => m.Groups[0].Value)
-                    .ToArray();
+                var matchCol = Regex.Matches(line, @"[^\s""]+|""[^""]*""");
+                var splitLine = new List<string>();
+                foreach (Match? match in matchCol)
+                {
+                    if (match != null)
+                        splitLine.Add(match.Groups[0].Value);
+                }
 
                 switch (splitLine[0])
                 {
@@ -167,7 +170,7 @@ namespace SabreTools.Serialization.Deserializers
 
                     // Read track information
                     case "TRACK":
-                        if (splitLine.Length < 3)
+                        if (splitLine.Count < 3)
                             throw new FormatException($"TRACK line malformed: {line}");
 
                         var track = CreateCueTrack(splitLine[1], splitLine[2], data, out lastLine);
@@ -237,12 +240,13 @@ namespace SabreTools.Serialization.Deserializers
                     continue;
 
                 // http://stackoverflow.com/questions/554013/regular-expression-to-split-on-spaces-unless-in-quotes
-                string[] splitLine = Regex
-                    .Matches(line, @"[^\s""]+|""[^""]*""")
-                    .Cast<Match>()
-                    .Select(m => m.Groups[0].Value)
-                    .ToArray();
-
+                var matchCol = Regex.Matches(line, @"[^\s""]+|""[^""]*""");
+                var splitLine = new List<string>();
+                foreach (Match? match in matchCol)
+                {
+                    if (match != null)
+                        splitLine.Add(match.Groups[0].Value);
+                }
                 switch (splitLine[0])
                 {
                     // Read comments
@@ -252,15 +256,15 @@ namespace SabreTools.Serialization.Deserializers
 
                     // Read flag information
                     case "FLAGS":
-                        if (splitLine.Length < 2)
+                        if (splitLine.Count < 2)
                             throw new FormatException($"FLAGS line malformed: {line}");
 
-                        cueTrack.Flags = GetFlags(splitLine);
+                        cueTrack.Flags = GetFlags([.. splitLine]);
                         break;
 
                     // Read International Standard Recording Code
                     case "ISRC":
-                        if (splitLine.Length < 2)
+                        if (splitLine.Count < 2)
                             throw new FormatException($"ISRC line malformed: {line}");
 
                         cueTrack.ISRC = splitLine[1].Trim('"');
@@ -268,7 +272,7 @@ namespace SabreTools.Serialization.Deserializers
 
                     // Read CD-Text enhanced performer
                     case "PERFORMER":
-                        if (splitLine.Length < 2)
+                        if (splitLine.Count < 2)
                             throw new FormatException($"PERFORMER line malformed: {line}");
 
                         cueTrack.Performer = splitLine[1].Trim('"');
@@ -276,7 +280,7 @@ namespace SabreTools.Serialization.Deserializers
 
                     // Read CD-Text enhanced songwriter
                     case "SONGWRITER":
-                        if (splitLine.Length < 2)
+                        if (splitLine.Count < 2)
                             throw new FormatException($"SONGWRITER line malformed: {line}");
 
                         cueTrack.Songwriter = splitLine[1].Trim('"');
@@ -284,7 +288,7 @@ namespace SabreTools.Serialization.Deserializers
 
                     // Read CD-Text enhanced title
                     case "TITLE":
-                        if (splitLine.Length < 2)
+                        if (splitLine.Count < 2)
                             throw new FormatException($"TITLE line malformed: {line}");
 
                         cueTrack.Title = splitLine[1].Trim('"');
@@ -292,7 +296,7 @@ namespace SabreTools.Serialization.Deserializers
 
                     // Read pregap information
                     case "PREGAP":
-                        if (splitLine.Length < 2)
+                        if (splitLine.Count < 2)
                             throw new FormatException($"PREGAP line malformed: {line}");
 
                         var pregap = CreatePreGap(splitLine[1]);
@@ -304,7 +308,7 @@ namespace SabreTools.Serialization.Deserializers
 
                     // Read index information
                     case "INDEX":
-                        if (splitLine.Length < 3)
+                        if (splitLine.Count < 3)
                             throw new FormatException($"INDEX line malformed: {line}");
 
                         var index = CreateCueIndex(splitLine[1], splitLine[2]);
@@ -316,7 +320,7 @@ namespace SabreTools.Serialization.Deserializers
 
                     // Read postgap information
                     case "POSTGAP":
-                        if (splitLine.Length < 2)
+                        if (splitLine.Count < 2)
                             throw new FormatException($"POSTGAP line malformed: {line}");
 
                         var postgap = CreatePostGap(splitLine[1]);
@@ -356,7 +360,7 @@ namespace SabreTools.Serialization.Deserializers
                 throw new ArgumentException("Length was null or whitespace");
 
             // Ignore lines that don't contain the correct information
-            if (length!.Length != 8 || length.Count(c => c == ':') != 2)
+            if (length!.Length != 8)
                 throw new FormatException($"Length was not in a recognized format: {length}");
 
             // Split the line
@@ -413,7 +417,7 @@ namespace SabreTools.Serialization.Deserializers
                 throw new ArgumentException("Start time was null or whitespace");
 
             // Ignore lines that don't contain the correct information
-            if (startTime!.Length != 8 || startTime.Count(c => c == ':') != 2)
+            if (startTime!.Length != 8)
                 throw new FormatException($"Start time was not in a recognized format: {startTime}");
 
             // Split the line
@@ -464,7 +468,7 @@ namespace SabreTools.Serialization.Deserializers
                 throw new ArgumentException("Length was null or whitespace");
 
             // Ignore lines that don't contain the correct information
-            if (length!.Length != 8 || length.Count(c => c == ':') != 2)
+            if (length!.Length != 8)
                 throw new FormatException($"Length was not in a recognized format: {length}");
 
             // Split the line

SabreTools.Serialization/Deserializers/DosCenter.cs

@@ -26,9 +26,6 @@ namespace SabreTools.Serialization.Deserializers
             var games = new List<Game>();
             var files = new List<Models.DosCenter.File>();
 
-            var additional = new List<string>();
-            var headerAdditional = new List<string>();
-            var gameAdditional = new List<string>();
             while (!reader.EndOfStream)
             {
                 // If we have no next line
@@ -44,26 +41,15 @@ namespace SabreTools.Serialization.Deserializers
                     case CmpRowType.EndTopLevel:
                         switch (lastTopLevel)
                         {
-                            case "doscenter":
-                                if (dat.DosCenter != null)
-                                    dat.DosCenter.ADDITIONAL_ELEMENTS = headerAdditional.ToArray();
-
-                                headerAdditional.Clear();
-                                break;
                             case "game":
                                 if (game != null)
                                 {
-                                    game.File = files.ToArray();
-                                    game.ADDITIONAL_ELEMENTS = gameAdditional.ToArray();
+                                    game.File = [.. files];
                                     games.Add(game);
                                 }
 
                                 game = null;
                                 files.Clear();
-                                gameAdditional.Clear();
-                                break;
-                            default:
-                                // No-op
                                 break;
                         }
                         continue;
@@ -81,10 +67,6 @@ namespace SabreTools.Serialization.Deserializers
                         case "game":
                             game = new Game();
                             break;
-                        default:
-                            if (reader.CurrentLine != null)
-                                additional.Add(reader.CurrentLine);
-                            break;
                     }
                 }
 
@@ -117,10 +99,6 @@ namespace SabreTools.Serialization.Deserializers
                         case "comment:":
                             dat.DosCenter.Comment = reader.Standalone?.Value;
                             break;
-                        default:
-                            if (reader.CurrentLine != null)
-                                headerAdditional.Add(item: reader.CurrentLine);
-                            break;
                     }
                 }
 
@@ -135,10 +113,6 @@ namespace SabreTools.Serialization.Deserializers
                         case "name":
                             game.Name = reader.Standalone?.Value;
                             break;
-                        default:
-                            if (reader.CurrentLine != null)
-                                gameAdditional.Add(item: reader.CurrentLine);
-                            break;
                     }
                 }
 
@@ -147,28 +121,17 @@ namespace SabreTools.Serialization.Deserializers
                 {
                     // If we have an unknown type, log it
                     if (reader.InternalName != "file")
-                    {
-                        if (reader.CurrentLine != null)
-                            gameAdditional.Add(reader.CurrentLine);
                         continue;
-                    }
 
                     // Create the file and add to the list
                     var file = CreateFile(reader);
                     if (file != null)
                         files.Add(file);
                 }
-
-                else
-                {
-                    if (reader.CurrentLine != null)
-                        additional.Add(item: reader.CurrentLine);
-                }
             }
 
             // Add extra pieces and return
-            dat.Game = games.ToArray();
-            dat.ADDITIONAL_ELEMENTS = additional.ToArray();
+            dat.Game = [.. games];
             return dat;
         }
 
@@ -182,7 +145,6 @@ namespace SabreTools.Serialization.Deserializers
             if (reader.Internal == null)
                 return null;
 
-            var itemAdditional = new List<string>();
             var file = new Models.DosCenter.File();
             foreach (var kvp in reader.Internal)
             {
@@ -200,14 +162,9 @@ namespace SabreTools.Serialization.Deserializers
                     case "date":
                         file.Date = kvp.Value;
                         break;
-                    default:
-                        if (reader.CurrentLine != null)
-                            itemAdditional.Add(item: reader.CurrentLine);
-                        break;
                 }
             }
 
-            file.ADDITIONAL_ELEMENTS = itemAdditional.ToArray();
             return file;
         }
     }

SabreTools.Serialization/Deserializers/EverdriveSMDB.cs

@@ -1,6 +1,5 @@
 using System.Collections.Generic;
 using System.IO;
-using System.Linq;
 using System.Text;
 using SabreTools.IO.Readers;
 using SabreTools.Models.EverdriveSMDB;
@@ -47,15 +46,11 @@ namespace SabreTools.Serialization.Deserializers
                 if (reader.Line.Count > 5)
                     row.Size = reader.Line[5];
 
-                // If we have additional fields
-                if (reader.Line.Count > 6)
-                    row.ADDITIONAL_ELEMENTS = reader.Line.Skip(5).ToArray();
-
                 rows.Add(row);
             }
 
             // Assign the rows to the Dat and return
-            dat.Row = rows.ToArray();
+            dat.Row = [.. rows];
             return dat;
         }
     }

SabreTools.Serialization/Deserializers/Hashfile.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
-using System.Linq;
 using SabreTools.Hashing;
 using SabreTools.Models.Hashfile;
 
@@ -60,7 +59,7 @@ namespace SabreTools.Serialization.Deserializers
             using var stream = PathProcessor.OpenStream(path);
             return DeserializeStream(stream, hash);
         }
-    
+
         #endregion
 
         #region IStreamDeserializer
@@ -71,7 +70,7 @@ namespace SabreTools.Serialization.Deserializers
             var deserializer = new Hashfile();
             return deserializer.Deserialize(data, hash);
         }
-        
+
         /// <inheritdoc/>
         public override Models.Hashfile.Hashfile? Deserialize(Stream? data)
             => Deserialize(data, HashType.CRC32);
@@ -86,19 +85,22 @@ namespace SabreTools.Serialization.Deserializers
             // Setup the reader and output
             var reader = new StreamReader(data);
             var dat = new Models.Hashfile.Hashfile();
-            var additional = new List<string>();
+
+            // Create lists for each hash type
+            var sfvList = new List<SFV>();
+            var md5List = new List<MD5>();
+            var sha1List = new List<SHA1>();
+            var sha256List = new List<SHA256>();
+            var sha384List = new List<SHA384>();
+            var sha512List = new List<SHA512>();
+            var spamsumList = new List<SpamSum>();
 
             // Loop through the rows and parse out values
-            var hashes = new List<object>();
             while (!reader.EndOfStream)
             {
                 // Read and split the line
                 string? line = reader.ReadLine();
-#if NETFRAMEWORK || NETCOREAPP3_1
-                string[]? lineParts = line?.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
-#else
-                string[]? lineParts = line?.Split(' ', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
-#endif
+                string[]? lineParts = line?.Split([' '], StringSplitOptions.RemoveEmptyEntries);
                 if (lineParts == null)
                     continue;
 
@@ -106,93 +108,60 @@ namespace SabreTools.Serialization.Deserializers
                 switch (hash)
                 {
                     case HashType.CRC32:
-                    case HashType.CRC32_ISO:
-                    case HashType.CRC32_Naive:
-                    case HashType.CRC32_Optimized:
-                    case HashType.CRC32_Parallel:
                         var sfv = new SFV
                         {
-#if NETFRAMEWORK
-                            File = string.Join(" ", lineParts.Take(lineParts.Length - 1).ToArray()),
+                            File = string.Join(" ", lineParts, 0, lineParts.Length - 1),
                             Hash = lineParts[lineParts.Length - 1],
-#else
-                            File = string.Join(" ", lineParts[..^1]),
-                            Hash = lineParts[^1],
-#endif
                         };
-                        hashes.Add(sfv);
+                        sfvList.Add(sfv);
                         break;
                     case HashType.MD5:
                         var md5 = new MD5
                         {
                             Hash = lineParts[0],
-#if NETFRAMEWORK
-                            File = string.Join(" ", lineParts.Skip(1).ToArray()),
-#else
-                            File = string.Join(" ", lineParts[1..]),
-#endif
+                            File = string.Join(" ", lineParts, 1, lineParts.Length - 1),
                         };
-                        hashes.Add(md5);
+                        md5List.Add(md5);
                         break;
                     case HashType.SHA1:
                         var sha1 = new SHA1
                         {
                             Hash = lineParts[0],
-#if NETFRAMEWORK
-                            File = string.Join(" ", lineParts.Skip(1).ToArray()),
-#else
-                            File = string.Join(" ", lineParts[1..]),
-#endif
+                            File = string.Join(" ", lineParts, 1, lineParts.Length - 1),
                         };
-                        hashes.Add(sha1);
+                        sha1List.Add(sha1);
                         break;
                     case HashType.SHA256:
                         var sha256 = new SHA256
                         {
                             Hash = lineParts[0],
-#if NETFRAMEWORK
-                            File = string.Join(" ", lineParts.Skip(1).ToArray()),
-#else
-                            File = string.Join(" ", lineParts[1..]),
-#endif
+                            File = string.Join(" ", lineParts, 1, lineParts.Length - 1),
                         };
-                        hashes.Add(sha256);
+                        sha256List.Add(sha256);
                         break;
                     case HashType.SHA384:
                         var sha384 = new SHA384
                         {
                             Hash = lineParts[0],
-#if NETFRAMEWORK
-                            File = string.Join(" ", lineParts.Skip(1).ToArray()),
-#else
-                            File = string.Join(" ", lineParts[1..]),
-#endif
+                            File = string.Join(" ", lineParts, 1, lineParts.Length - 1),
                         };
-                        hashes.Add(sha384);
+                        sha384List.Add(sha384);
                         break;
                     case HashType.SHA512:
                         var sha512 = new SHA512
                         {
                             Hash = lineParts[0],
-#if NETFRAMEWORK
-                            File = string.Join(" ", lineParts.Skip(1).ToArray()),
-#else
-                            File = string.Join(" ", lineParts[1..]),
-#endif
+                            File = string.Join(" ", lineParts, 1, lineParts.Length - 1),
                         };
-                        hashes.Add(sha512);
+                        sha512List.Add(sha512);
                         break;
                     case HashType.SpamSum:
                         var spamSum = new SpamSum
                         {
                             Hash = lineParts[0],
-#if NETFRAMEWORK
-                            File = string.Join(" ", lineParts.Skip(1).ToArray()),
-#else
-                            File = string.Join(" ", lineParts[1..]),
-#endif
+                            File = string.Join(" ", lineParts, 1, lineParts.Length - 1),
                         };
-                        hashes.Add(spamSum);
+                        spamsumList.Add(spamSum);
                         break;
                 }
             }
@@ -201,32 +170,28 @@ namespace SabreTools.Serialization.Deserializers
             switch (hash)
             {
                 case HashType.CRC32:
-                case HashType.CRC32_ISO:
-                case HashType.CRC32_Naive:
-                case HashType.CRC32_Optimized:
-                case HashType.CRC32_Parallel:
-                    dat.SFV = hashes.Cast<SFV>().ToArray();
+                    dat.SFV = [.. sfvList];
                     break;
                 case HashType.MD5:
-                    dat.MD5 = hashes.Cast<MD5>().ToArray();
+                    dat.MD5 = [.. md5List];
                     break;
                 case HashType.SHA1:
-                    dat.SHA1 = hashes.Cast<SHA1>().ToArray();
+                    dat.SHA1 = [.. sha1List];
                     break;
                 case HashType.SHA256:
-                    dat.SHA256 = hashes.Cast<SHA256>().ToArray();
+                    dat.SHA256 = [.. sha256List];
                     break;
                 case HashType.SHA384:
-                    dat.SHA384 = hashes.Cast<SHA384>().ToArray();
+                    dat.SHA384 = [.. sha384List];
                     break;
                 case HashType.SHA512:
-                    dat.SHA512 = hashes.Cast<SHA512>().ToArray();
+                    dat.SHA512 = [.. sha512List];
                     break;
                 case HashType.SpamSum:
-                    dat.SpamSum = hashes.Cast<SpamSum>().ToArray();
+                    dat.SpamSum = [.. spamsumList];
                     break;
             }
-            dat.ADDITIONAL_ELEMENTS = [.. additional];
+
             return dat;
         }
 

SabreTools.Serialization/Deserializers/InstallShieldArchiveV3.cs

@@ -1,5 +1,6 @@
 using System.Collections.Generic;
 using System.IO;
+using System.Text;
 using SabreTools.IO.Extensions;
 using SabreTools.Models.InstallShieldArchiveV3;
 
@@ -114,7 +115,17 @@ namespace SabreTools.Serialization.Deserializers
         /// <returns>Filled directory on success, null on error</returns>
         public static Models.InstallShieldArchiveV3.Directory? ParseDirectory(Stream data)
         {
-            return data.ReadType<Models.InstallShieldArchiveV3.Directory>();
+            var directory = new Models.InstallShieldArchiveV3.Directory();
+
+            directory.FileCount = data.ReadUInt16();
+            directory.ChunkSize = data.ReadUInt16();
+
+            // TODO: Is there any equivilent automatic type for UInt16-prefixed ANSI?
+            ushort nameLength = data.ReadUInt16();
+            byte[] nameBytes = data.ReadBytes(nameLength);
+            directory.Name = Encoding.ASCII.GetString(nameBytes);
+
+            return directory;
         }
 
         /// <summary>

SabreTools.Serialization/Deserializers/InstallShieldCabinet.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using System.IO;
 using SabreTools.IO.Extensions;
@@ -447,14 +448,9 @@ namespace SabreTools.Serialization.Deserializers
             var fileGroup = new FileGroup();
 
             fileGroup.NameOffset = data.ReadUInt32();
-
             fileGroup.ExpandedSize = data.ReadUInt32();
-            fileGroup.Reserved0 = data.ReadBytes(4);
             fileGroup.CompressedSize = data.ReadUInt32();
-            fileGroup.Reserved1 = data.ReadBytes(4);
-            fileGroup.Reserved2 = data.ReadBytes(2);
-            fileGroup.Attribute1 = data.ReadUInt16();
-            fileGroup.Attribute2 = data.ReadUInt16();
+            fileGroup.Attributes = (FileGroupAttributes)data.ReadUInt16();
 
             // TODO: Figure out what data lives in this area for V5 and below
             if (majorVersion <= 5)
@@ -462,19 +458,19 @@ namespace SabreTools.Serialization.Deserializers
 
             fileGroup.FirstFile = data.ReadUInt32();
             fileGroup.LastFile = data.ReadUInt32();
-            fileGroup.UnknownOffset = data.ReadUInt32();
-            fileGroup.Var4Offset = data.ReadUInt32();
-            fileGroup.Var1Offset = data.ReadUInt32();
+            fileGroup.UnknownStringOffset = data.ReadUInt32();
+            fileGroup.OperatingSystemOffset = data.ReadUInt32();
+            fileGroup.LanguageOffset = data.ReadUInt32();
             fileGroup.HTTPLocationOffset = data.ReadUInt32();
             fileGroup.FTPLocationOffset = data.ReadUInt32();
             fileGroup.MiscOffset = data.ReadUInt32();
-            fileGroup.Var2Offset = data.ReadUInt32();
             fileGroup.TargetDirectoryOffset = data.ReadUInt32();
-            fileGroup.Reserved3 = data.ReadBytes(2);
-            fileGroup.Reserved4 = data.ReadBytes(2);
-            fileGroup.Reserved5 = data.ReadBytes(2);
-            fileGroup.Reserved6 = data.ReadBytes(2);
-            fileGroup.Reserved7 = data.ReadBytes(2);
+            fileGroup.OverwriteFlags = (FileGroupFlags)data.ReadUInt32();
+            fileGroup.Reserved = new uint[4];
+            for (int i = 0; i < fileGroup.Reserved.Length; i++)
+            {
+                fileGroup.Reserved[i] = data.ReadUInt32();
+            }
 
             // Cache the current position
             long currentPosition = data.Position;
@@ -489,7 +485,7 @@ namespace SabreTools.Serialization.Deserializers
                 if (majorVersion >= 17)
                     fileGroup.Name = data.ReadNullTerminatedUnicodeString();
                 else
-                    fileGroup.Name = data.ReadNullTerminatedUnicodeString();
+                    fileGroup.Name = data.ReadNullTerminatedAnsiString();
             }
 
             // Seek back to the correct offset
@@ -512,15 +508,19 @@ namespace SabreTools.Serialization.Deserializers
             component.IdentifierOffset = data.ReadUInt32();
             component.DescriptorOffset = data.ReadUInt32();
             component.DisplayNameOffset = data.ReadUInt32();
-            component.Reserved0 = data.ReadUInt16();
-            component.ReservedOffset0 = data.ReadUInt32();
-            component.ReservedOffset1 = data.ReadUInt32();
+            component.Status = (ComponentStatus)data.ReadUInt16();
+            component.PasswordOffset = data.ReadUInt32();
+            component.MiscOffset = data.ReadUInt32();
             component.ComponentIndex = data.ReadUInt16();
             component.NameOffset = data.ReadUInt32();
-            component.ReservedOffset2 = data.ReadUInt32();
-            component.ReservedOffset3 = data.ReadUInt32();
-            component.ReservedOffset4 = data.ReadUInt32();
-            component.Reserved1 = data.ReadBytes(32);
+            component.CDRomFolderOffset = data.ReadUInt32();
+            component.HTTPLocationOffset = data.ReadUInt32();
+            component.FTPLocationOffset = data.ReadUInt32();
+            component.Guid = new Guid[2];
+            for (int i = 0; i < component.Guid.Length; i++)
+            {
+                component.Guid[i] = data.ReadGuid();
+            }
             component.CLSIDOffset = data.ReadUInt32();
             component.Reserved2 = data.ReadBytes(28);
             component.Reserved3 = data.ReadBytes(majorVersion <= 5 ? 2 : 1);
@@ -533,10 +533,10 @@ namespace SabreTools.Serialization.Deserializers
             component.SubComponentsCount = data.ReadUInt16();
             component.SubComponentsOffset = data.ReadUInt32();
             component.NextComponentOffset = data.ReadUInt32();
-            component.ReservedOffset5 = data.ReadUInt32();
-            component.ReservedOffset6 = data.ReadUInt32();
-            component.ReservedOffset7 = data.ReadUInt32();
-            component.ReservedOffset8 = data.ReadUInt32();
+            component.OnInstallingOffset = data.ReadUInt32();
+            component.OnInstalledOffset = data.ReadUInt32();
+            component.OnUninstallingOffset = data.ReadUInt32();
+            component.OnUninstalledOffset = data.ReadUInt32();
 
             // Cache the current position
             long currentPosition = data.Position;

SabreTools.Serialization/Deserializers/Listrom.cs

@@ -23,7 +23,6 @@ namespace SabreTools.Serialization.Deserializers
             var sets = new List<Set>();
             var rows = new List<Row>();
 
-            var additional = new List<string>();
             while (!reader.EndOfStream)
             {
                 // Read the line and don't split yet
@@ -33,7 +32,7 @@ namespace SabreTools.Serialization.Deserializers
                     // If we have a set to process
                     if (set != null)
                     {
-                        set.Row = rows.ToArray();
+                        set.Row = [.. rows];
                         sets.Add(set);
                         set = null;
                         rows.Clear();
@@ -215,7 +214,6 @@ namespace SabreTools.Serialization.Deserializers
 
                     default:
                         row = null;
-                        additional.Add(line);
                         break;
                 }
 
@@ -226,15 +224,14 @@ namespace SabreTools.Serialization.Deserializers
             // If we have a set to process
             if (set != null)
             {
-                set.Row = rows.ToArray();
+                set.Row = [.. rows];
                 sets.Add(set);
                 set = null;
                 rows.Clear();
             }
 
             // Add extra pieces and return
-            dat.Set = sets.ToArray();
-            dat.ADDITIONAL_ELEMENTS = additional.ToArray();
+            dat.Set = [.. sets];
             return dat;
         }
     }

SabreTools.Serialization/Deserializers/MoPaQ.cs

@@ -102,7 +102,7 @@ namespace SabreTools.Serialization.Deserializers
                         hashTable.Add(hashEntry);
                     }
 
-                    archive.HashTable = hashTable.ToArray();
+                    archive.HashTable = [.. hashTable];
                 }
             }
 
@@ -131,7 +131,7 @@ namespace SabreTools.Serialization.Deserializers
                         hashTable.Add(hashEntry);
                     }
 
-                    archive.HashTable = hashTable.ToArray();
+                    archive.HashTable = [.. hashTable];
                 }
             }
 
@@ -160,7 +160,7 @@ namespace SabreTools.Serialization.Deserializers
                         hashTable.Add(hashEntry);
                     }
 
-                    archive.HashTable = hashTable.ToArray();
+                    archive.HashTable = [.. hashTable];
                 }
             }
 
@@ -193,7 +193,7 @@ namespace SabreTools.Serialization.Deserializers
                         blockTable.Add(blockEntry);
                     }
 
-                    archive.BlockTable = blockTable.ToArray();
+                    archive.BlockTable = [.. blockTable];
                 }
             }
 
@@ -222,7 +222,7 @@ namespace SabreTools.Serialization.Deserializers
                         blockTable.Add(blockEntry);
                     }
 
-                    archive.BlockTable = blockTable.ToArray();
+                    archive.BlockTable = [.. blockTable];
                 }
             }
 
@@ -251,7 +251,7 @@ namespace SabreTools.Serialization.Deserializers
                         blockTable.Add(blockEntry);
                     }
 
-                    archive.BlockTable = blockTable.ToArray();
+                    archive.BlockTable = [.. blockTable];
                 }
             }
 
@@ -278,7 +278,7 @@ namespace SabreTools.Serialization.Deserializers
                         hiBlockTable.Add(hiBlockEntry);
                     }
 
-                    archive.HiBlockTable = hiBlockTable.ToArray();
+                    archive.HiBlockTable = [.. hiBlockTable];
                 }
             }
 

SabreTools.Serialization/Deserializers/N3DS.cs

@@ -21,7 +21,7 @@ namespace SabreTools.Serialization.Deserializers
                 return null;
 
             // Cache the current offset
-            int initialOffset = (int)data.Position;
+            long initialOffset = data.Position;
 
             // Create a new cart image to fill
             var cart = new Cart();
@@ -62,118 +62,74 @@ namespace SabreTools.Serialization.Deserializers
 
             #endregion
 
-            #region Partitions
-
-            // Create the partition table
-            cart.Partitions = new NCCHHeader[8];
-
-            // Iterate and build the partitions
-            for (int i = 0; i < 8; i++)
-            {
-                cart.Partitions[i] = ParseNCCHHeader(data);
-            }
-
-            #endregion
-
             // Cache the media unit size for further use
             long mediaUnitSize = 0;
             if (header.PartitionFlags != null)
                 mediaUnitSize = (uint)(0x200 * Math.Pow(2, header.PartitionFlags[(int)NCSDFlags.MediaUnitSize]));
 
-            #region Extended Headers
+            #region Partitions
 
-            // Create the extended header table
-            cart.ExtendedHeaders = new NCCHExtendedHeader[8];
+            // Create the tables
+            cart.Partitions = new NCCHHeader[8];
+            cart.ExtendedHeaders = new NCCHExtendedHeader?[8];
+            cart.ExeFSHeaders = new ExeFSHeader?[8];
+            cart.RomFSHeaders = new RomFSHeader?[8];
 
-            // Iterate and build the extended headers
+            // Iterate and build the partitions
             for (int i = 0; i < 8; i++)
             {
-                // If we have an encrypted or invalid partition
-                if (cart.Partitions[i]!.MagicID != NCCHMagicNumber)
+                // Find the offset to the partition
+                long partitionOffset = cart.Header.PartitionsTable?[i]?.Offset ?? 0;
+                partitionOffset *= mediaUnitSize;
+                if (partitionOffset == 0)
                     continue;
 
-                // If we have no partitions table
-                if (cart.Header!.PartitionsTable == null)
+                // Seek to the start of the partition
+                data.Seek(partitionOffset, SeekOrigin.Begin);
+
+                // Handle the normal header
+                var partition = ParseNCCHHeader(data);
+                if (partition == null || partition.MagicID != NCCHMagicNumber)
                     continue;
 
-                // Get the extended header offset
-                long offset = (cart.Header.PartitionsTable[i]!.Offset * mediaUnitSize) + 0x200;
-                if (offset < 0 || offset >= data.Length)
-                    continue;
+                // Set the normal header
+                cart.Partitions[i] = partition;
 
-                // Seek to the extended header
-                data.Seek(offset, SeekOrigin.Begin);
+                // Handle the extended header, if it exists
+                if (partition.ExtendedHeaderSizeInBytes > 0)
+                {
+                    var extendedHeader = ParseNCCHExtendedHeader(data);
+                    if (extendedHeader != null)
+                        cart.ExtendedHeaders[i] = extendedHeader;
+                }
 
-                // Parse the extended header
-                var extendedHeader = ParseNCCHExtendedHeader(data);
-                if (extendedHeader != null)
-                    cart.ExtendedHeaders[i] = extendedHeader;
-            }
+                // Handle the ExeFS, if it exists
+                if (partition.ExeFSSizeInMediaUnits > 0)
+                {
+                    long offset = partition.ExeFSOffsetInMediaUnits * mediaUnitSize;
+                    data.Seek(partitionOffset + offset, SeekOrigin.Begin);
 
-            #endregion
+                    var exeFsHeader = ParseExeFSHeader(data);
+                    if (exeFsHeader == null)
+                        return null;
 
-            #region ExeFS Headers
+                    cart.ExeFSHeaders[i] = exeFsHeader;
+                }
 
-            // Create the ExeFS header table
-            cart.ExeFSHeaders = new ExeFSHeader[8];
+                // Handle the RomFS, if it exists
+                if (partition.RomFSSizeInMediaUnits > 0)
+                {
+                    long offset = partition.RomFSOffsetInMediaUnits * mediaUnitSize;
+                    data.Seek(partitionOffset + offset, SeekOrigin.Begin);
 
-            // Iterate and build the ExeFS headers
-            for (int i = 0; i < 8; i++)
-            {
-                // If we have an encrypted or invalid partition
-                if (cart.Partitions[i]!.MagicID != NCCHMagicNumber)
-                    continue;
+                    var romFsHeader = ParseRomFSHeader(data);
+                    if (romFsHeader == null)
+                        continue;
+                    else if (romFsHeader.MagicString != RomFSMagicNumber || romFsHeader.MagicNumber != RomFSSecondMagicNumber)
+                        continue;
 
-                // If we have no partitions table
-                if (cart.Header!.PartitionsTable == null)
-                    continue;
-
-                // Get the ExeFS header offset
-                long offset = (cart.Header.PartitionsTable[i]!.Offset + cart.Partitions[i]!.ExeFSOffsetInMediaUnits) * mediaUnitSize;
-                if (offset < 0 || offset >= data.Length)
-                    continue;
-
-                // Seek to the ExeFS header
-                data.Seek(offset, SeekOrigin.Begin);
-
-                // Parse the ExeFS header
-                var exeFsHeader = ParseExeFSHeader(data);
-                if (exeFsHeader == null)
-                    return null;
-
-                cart.ExeFSHeaders[i] = exeFsHeader;
-            }
-
-            #endregion
-
-            #region RomFS Headers
-
-            // Create the RomFS header table
-            cart.RomFSHeaders = new RomFSHeader[8];
-
-            // Iterate and build the RomFS headers
-            for (int i = 0; i < 8; i++)
-            {
-                // If we have an encrypted or invalid partition
-                if (cart.Partitions[i]!.MagicID != NCCHMagicNumber)
-                    continue;
-
-                // If we have no partitions table
-                if (cart.Header!.PartitionsTable == null)
-                    continue;
-
-                // Get the RomFS header offset
-                long offset = (cart.Header.PartitionsTable[i]!.Offset + cart.Partitions[i]!.RomFSOffsetInMediaUnits) * mediaUnitSize;
-                if (offset < 0 || offset >= data.Length)
-                    continue;
-
-                // Seek to the RomFS header
-                data.Seek(offset, SeekOrigin.Begin);
-
-                // Parse the RomFS header
-                var romFsHeader = ParseRomFSHeader(data);
-                if (romFsHeader != null)
                     cart.RomFSHeaders[i] = romFsHeader;
+                }
             }
 
             #endregion
@@ -259,7 +215,43 @@ namespace SabreTools.Serialization.Deserializers
         /// <returns>Filled card info header on success, null on error</returns>
         public static CardInfoHeader? ParseCardInfoHeader(Stream data)
         {
-            return data.ReadType<CardInfoHeader>();
+            // TODO: Use marshalling here instead of building
+            var header = new CardInfoHeader();
+
+            header.WritableAddressMediaUnits = data.ReadUInt32();
+            header.CardInfoBitmask = data.ReadUInt32();
+            header.Reserved1 = data.ReadBytes(0xF8);
+            header.FilledSize = data.ReadUInt32();
+            header.Reserved2 = data.ReadBytes(0x0C);
+            header.TitleVersion = data.ReadUInt16();
+            header.CardRevision = data.ReadUInt16();
+            header.Reserved3 = data.ReadBytes(0x0C);
+            header.CVerTitleID = data.ReadBytes(0x08);
+            header.CVerVersionNumber = data.ReadUInt16();
+            header.Reserved4 = data.ReadBytes(0xCD6);
+            header.InitialData = ParseInitialData(data);
+
+            return header;
+        }
+
+        /// <summary>
+        /// Parse a Stream into initial data
+        /// </summary>
+        /// <param name="data">Stream to parse</param>
+        /// <returns>Filled initial data on success, null on error</returns>
+        public static InitialData? ParseInitialData(Stream data)
+        {
+            // TODO: Use marshalling here instead of building
+            var id = new InitialData();
+
+            id.CardSeedKeyY = data.ReadBytes(0x10);
+            id.EncryptedCardSeed = data.ReadBytes(0x10);
+            id.CardSeedAESMAC = data.ReadBytes(0x10);
+            id.CardSeedNonce = data.ReadBytes(0x0C);
+            id.Reserved = data.ReadBytes(0xC4);
+            id.BackupHeader = ParseNCCHHeader(data, skipSignature: true);
+
+            return id;
         }
 
         /// <summary>
@@ -339,7 +331,51 @@ namespace SabreTools.Serialization.Deserializers
         /// <returns>Filled NCCH extended header on success, null on error</returns>
         public static NCCHExtendedHeader? ParseNCCHExtendedHeader(Stream data)
         {
-            return data.ReadType<NCCHExtendedHeader>();
+            // TODO: Replace with `data.ReadType<NCCHExtendedHeader>();` when enum serialization fixed
+            var header = new NCCHExtendedHeader();
+
+            header.SCI = data.ReadType<SystemControlInfo>();
+            header.ACI = ParseAccessControlInfo(data);
+            header.AccessDescSignature = data.ReadBytes(0x100);
+            header.NCCHHDRPublicKey = data.ReadBytes(0x100);
+            header.ACIForLimitations = ParseAccessControlInfo(data);
+
+            return header;
+        }
+
+        /// <summary>
+        /// Parse a Stream into an access control info
+        /// </summary>
+        /// <param name="data">Stream to parse</param>
+        /// <returns>Filled access control info on success, null on error</returns>
+        public static AccessControlInfo? ParseAccessControlInfo(Stream data)
+        {
+            var aci = new AccessControlInfo();
+
+            aci.ARM11LocalSystemCapabilities = data.ReadType<ARM11LocalSystemCapabilities>();
+            aci.ARM11KernelCapabilities = data.ReadType<ARM11KernelCapabilities>();
+            aci.ARM9AccessControl = ParseARM9AccessControl(data);
+
+            return aci;
+        }
+
+        /// <summary>
+        /// Parse a Stream into an ARM9 access control
+        /// </summary>
+        /// <param name="data">Stream to parse</param>
+        /// <returns>Filled ARM9 access control on success, null on error</returns>
+        public static ARM9AccessControl? ParseARM9AccessControl(Stream data)
+        {
+            var a9ac = new ARM9AccessControl();
+
+            a9ac.Descriptors = new ARM9AccessControlDescriptors[15];
+            for (int i = 0; i < a9ac.Descriptors.Length; i++)
+            {
+                a9ac.Descriptors[i] = (ARM9AccessControlDescriptors)data.ReadByteValue();
+            }
+            a9ac.DescriptorVersion = data.ReadByteValue();
+
+            return a9ac;
         }
 
         /// <summary>

SabreTools.Serialization/Deserializers/NewExecutable.cs

@@ -1,6 +1,5 @@
 using System.Collections.Generic;
 using System.IO;
-using System.Linq;
 using SabreTools.IO.Extensions;
 using SabreTools.Models.NewExecutable;
 using static SabreTools.Models.NewExecutable.Constants;
@@ -303,19 +302,34 @@ namespace SabreTools.Serialization.Deserializers
             resourceTable.ResourceTypes = [.. resourceTypes];
 
             // Get the full list of unique string offsets
-            var stringOffsets = resourceTable.ResourceTypes
-                .Where(rt => rt != null)
-                .Where(rt => !rt!.IsIntegerType() && rt!.TypeID != 0)
-                .Select(rt => rt!.TypeID)
-                .Union(resourceTable.ResourceTypes
-                    .Where(rt => rt != null && rt!.TypeID != 0)
-                    .SelectMany(rt => rt!.Resources ?? [])
-                    .Where(r => !r!.IsIntegerType())
-                    .Select(r => r!.ResourceID))
-                .Distinct()
-                .Where(o => o != 0)
-                .OrderBy(o => o)
-                .ToList();
+            var stringOffsets = new List<ushort>();
+            foreach (var rtie in resourceTable.ResourceTypes)
+            {
+                // Skip invalid entries
+                if (rtie == null || rtie.TypeID == 0)
+                    continue;
+
+                // Handle offset types
+                if (!rtie.IsIntegerType() && !stringOffsets.Contains(rtie.TypeID))
+                    stringOffsets.Add(rtie.TypeID);
+
+                // Handle types with resources
+                foreach (var rtre in rtie.Resources ?? [])
+                {
+                    // Skip invalid entries
+                    if (rtre == null || rtre.IsIntegerType() || rtre.ResourceID == 0)
+                        continue;
+
+                    // Skip already added entries
+                    if (stringOffsets.Contains(rtre.ResourceID))
+                        continue;
+
+                    stringOffsets.Add(rtre.ResourceID);
+                }
+            }
+
+            // Order the offsets list
+            stringOffsets.Sort();
 
             // Populate the type and name string dictionary
             resourceTable.TypeAndNameStrings = [];

SabreTools.Serialization/Deserializers/Nitro.cs

@@ -110,7 +110,7 @@ namespace SabreTools.Serialization.Deserializers
             }
 
             // Set the file allocation table
-            cart.FileAllocationTable = fileAllocationTable.ToArray();
+            cart.FileAllocationTable = [.. fileAllocationTable];
 
             #endregion
 
@@ -170,7 +170,7 @@ namespace SabreTools.Serialization.Deserializers
             }
 
             // Assign the folder allocation table
-            nameTable.FolderAllocationTable = folderAllocationTable.ToArray();
+            nameTable.FolderAllocationTable = [.. folderAllocationTable];
 
             // Create a variable-length table
             var nameList = new List<NameListEntry>();
@@ -184,7 +184,7 @@ namespace SabreTools.Serialization.Deserializers
             }
 
             // Assign the name list
-            nameTable.NameList = nameList.ToArray();
+            nameTable.NameList = [.. nameList];
 
             return nameTable;
         }

SabreTools.Serialization/Deserializers/PIC.cs

@@ -43,7 +43,7 @@ namespace SabreTools.Serialization.Deserializers
             }
 
             // Assign the units and return
-            di.Units = diUnits.ToArray();
+            di.Units = [.. diUnits];
             return di;
         }
 

SabreTools.Serialization/Deserializers/PortableExecutable.cs

@@ -1,7 +1,9 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
+#if NET35_OR_GREATER || NETCOREAPP
 using System.Linq;
+#endif
 using System.Text;
 using SabreTools.IO.Extensions;
 using SabreTools.Models.PortableExecutable;
@@ -678,7 +680,7 @@ namespace SabreTools.Serialization.Deserializers
                     _ = data.ReadByteValue();
             }
 
-            return attributeCertificateTable.ToArray();
+            return [.. attributeCertificateTable];
         }
 
         /// <summary>
@@ -913,7 +915,7 @@ namespace SabreTools.Serialization.Deserializers
                     break;
             }
 
-            importTable.ImportDirectoryTable = importDirectoryTable.ToArray();
+            importTable.ImportDirectoryTable = [.. importDirectoryTable];
 
             // Names
             for (int i = 0; i < importTable.ImportDirectoryTable.Length; i++)
@@ -981,7 +983,7 @@ namespace SabreTools.Serialization.Deserializers
                         break;
                 }
 
-                importLookupTables[i] = entryLookupTable.ToArray();
+                importLookupTables[i] = [.. entryLookupTable];
             }
 
             importTable.ImportLookupTables = importLookupTables;
@@ -1035,7 +1037,7 @@ namespace SabreTools.Serialization.Deserializers
                         break;
                 }
 
-                importAddressTables[i] = addressLookupTable.ToArray();
+                importAddressTables[i] = [.. addressLookupTable];
             }
 
             importTable.ImportAddressTables = importAddressTables;
@@ -1047,38 +1049,70 @@ namespace SabreTools.Serialization.Deserializers
                 || importTable.ImportAddressTables != null && importTable.ImportAddressTables.Count > 0)
             {
                 // Get the addresses of the hint/name table entries
-                List<int> hintNameTableEntryAddresses = new List<int>();
+                var hintNameTableEntryAddresses = new List<int>();
 
                 // If we have import lookup tables
                 if (importTable.ImportLookupTables != null && importLookupTables.Count > 0)
                 {
+#if NET20
+                    var addresses = new List<int>();
+                    foreach (var kvp in importTable.ImportLookupTables)
+                    {
+                        if (kvp.Value == null)
+                            continue;
+
+                        var vaddrs = Array.ConvertAll(kvp.Value,
+                            ilte => ilte == null ? 0 : (int)ilte.HintNameTableRVA.ConvertVirtualAddress(sections));
+                        addresses.AddRange(vaddrs);
+                    }
+#else
                     var addresses = importTable.ImportLookupTables
-                        .Where(kvp => kvp.Value != null)
-                        .SelectMany(kvp => kvp.Value!)
+                        .SelectMany(kvp => kvp.Value ?? [])
                         .Where(ilte => ilte != null)
                         .Select(ilte => (int)ilte!.HintNameTableRVA.ConvertVirtualAddress(sections));
+#endif
                     hintNameTableEntryAddresses.AddRange(addresses);
                 }
 
                 // If we have import address tables
                 if (importTable.ImportAddressTables != null && importTable.ImportAddressTables.Count > 0)
                 {
+#if NET20
+                    var addresses = new List<int>();
+                    foreach (var kvp in importTable.ImportAddressTables)
+                    {
+                        if (kvp.Value == null)
+                            continue;
+
+                        var vaddrs = Array.ConvertAll(kvp.Value,
+                            iate => iate == null ? 0 : (int)iate.HintNameTableRVA.ConvertVirtualAddress(sections));
+                        addresses.AddRange(vaddrs);
+                    }
+#else
                     var addresses = importTable.ImportAddressTables
-                        .Where(kvp => kvp.Value != null)
-                        .SelectMany(kvp => kvp.Value!)
+                        .SelectMany(kvp => kvp.Value ?? [])
                         .Where(iate => iate != null)
                         .Select(iate => (int)iate!.HintNameTableRVA.ConvertVirtualAddress(sections));
+#endif
                     hintNameTableEntryAddresses.AddRange(addresses);
                 }
 
                 // Sanitize the addresses
-                hintNameTableEntryAddresses = hintNameTableEntryAddresses.Where(addr => addr != 0)
-                    .Distinct()
-                    .OrderBy(a => a)
-                    .ToList();
+                hintNameTableEntryAddresses = hintNameTableEntryAddresses.FindAll(addr => addr != 0);
+#if NET20
+                var temp = new List<int>();
+                foreach (int value in hintNameTableEntryAddresses)
+                {
+                    if (!temp.Contains(value))
+                        temp.Add(value);
+                }
+#else
+                hintNameTableEntryAddresses = hintNameTableEntryAddresses.Distinct().ToList();
+#endif
+                hintNameTableEntryAddresses.Sort();
 
                 // If we have any addresses, add them to the table
-                if (hintNameTableEntryAddresses.Any())
+                if (hintNameTableEntryAddresses.Count > 0)
                 {
                     for (int i = 0; i < hintNameTableEntryAddresses.Count; i++)
                     {
@@ -1216,11 +1250,12 @@ namespace SabreTools.Serialization.Deserializers
                 return resourceDirectoryTable;
 
             // If we're not aligned to a section
-            if (!sections.Any(s => s != null && s.PointerToRawData == initialOffset))
+            var firstSection = Array.Find(sections, s => s != null && s.PointerToRawData == initialOffset);
+            if (firstSection == null)
                 return resourceDirectoryTable;
 
             // Get the section size
-            int size = (int)sections.First(s => s != null && s.PointerToRawData == initialOffset)!.SizeOfRawData;
+            int size = (int)firstSection.SizeOfRawData;
 
             // Align to the 512-byte boundary, we find the start of an MS-DOS header, or the end of the file
             while (data.Position - initialOffset < size && data.Position % 0x200 != 0 && data.Position < data.Length - 1)

SabreTools.Serialization/Deserializers/RomCenter.cs

@@ -1,6 +1,5 @@
 using System.Collections.Generic;
 using System.IO;
-using System.Linq;
 using System.Text;
 using SabreTools.IO.Readers;
 using SabreTools.Models.RomCenter;
@@ -25,11 +24,6 @@ namespace SabreTools.Serialization.Deserializers
 
             // Loop through and parse out the values
             var roms = new List<Rom>();
-            var additional = new List<string>();
-            var creditsAdditional = new List<string>();
-            var datAdditional = new List<string>();
-            var emulatorAdditional = new List<string>();
-            var gamesAdditional = new List<string>();
             while (!reader.EndOfStream)
             {
                 // If we have no next line
@@ -57,10 +51,6 @@ namespace SabreTools.Serialization.Deserializers
                             case "games":
                                 dat.Games ??= new Games();
                                 break;
-                            default:
-                                if (reader.CurrentLine != null)
-                                    additional.Add(reader.CurrentLine);
-                                break;
                         }
                         continue;
                 }
@@ -94,10 +84,6 @@ namespace SabreTools.Serialization.Deserializers
                         case "comment":
                             dat.Credits.Comment = reader.KeyValuePair?.Value;
                             break;
-                        default:
-                            if (reader.CurrentLine != null)
-                                creditsAdditional.Add(reader.CurrentLine);
-                            break;
                     }
                 }
 
@@ -121,10 +107,6 @@ namespace SabreTools.Serialization.Deserializers
                         case "merge":
                             dat.Dat.Merge = reader.KeyValuePair?.Value;
                             break;
-                        default:
-                            if (reader.CurrentLine != null)
-                                datAdditional.Add(reader.CurrentLine);
-                            break;
                     }
                 }
 
@@ -142,10 +124,6 @@ namespace SabreTools.Serialization.Deserializers
                         case "version":
                             dat.Emulator.Version = reader.KeyValuePair?.Value;
                             break;
-                        default:
-                            if (reader.CurrentLine != null)
-                                emulatorAdditional.Add(reader.CurrentLine);
-                            break;
                     }
                 }
 
@@ -156,13 +134,12 @@ namespace SabreTools.Serialization.Deserializers
                     dat.Games ??= new Games();
 
                     // If the line doesn't contain the delimiter
+#if NETFRAMEWORK
+                    if (!(reader.CurrentLine?.Contains("¬") ?? false))
+#else
                     if (!(reader.CurrentLine?.Contains('¬') ?? false))
-                    {
-                        if (reader.CurrentLine != null)
-                            gamesAdditional.Add(reader.CurrentLine);
-
+#endif
                         continue;
-                    }
 
                     // Otherwise, separate out the line
                     string[] splitLine = reader.CurrentLine.Split('¬');
@@ -181,32 +158,14 @@ namespace SabreTools.Serialization.Deserializers
                         // EMPTY = splitLine[10]
                     };
 
-                    if (splitLine.Length > 11)
-                        rom.ADDITIONAL_ELEMENTS = splitLine.Skip(11).ToArray();
-
                     roms.Add(rom);
                 }
-
-                else
-                {
-                    if (reader.CurrentLine != null)
-                        additional.Add(reader.CurrentLine);
-                }
             }
 
             // Add extra pieces and return
-            dat.ADDITIONAL_ELEMENTS = additional.Where(s => s != null).ToArray();
-            if (dat.Credits != null)
-                dat.Credits.ADDITIONAL_ELEMENTS = creditsAdditional.Where(s => s != null).ToArray();
-            if (dat.Dat != null)
-                dat.Dat.ADDITIONAL_ELEMENTS = datAdditional.Where(s => s != null).ToArray();
-            if (dat.Emulator != null)
-                dat.Emulator.ADDITIONAL_ELEMENTS = emulatorAdditional.Where(s => s != null).ToArray();
             if (dat.Games != null)
-            {
-                dat.Games.Rom = roms.ToArray();
-                dat.Games.ADDITIONAL_ELEMENTS = gamesAdditional.Where(s => s != null).Select(s => s).ToArray();
-            }
+                dat.Games.Rom = [.. roms];
+
             return dat;
         }
     }

SabreTools.Serialization/Deserializers/SeparatedValue.cs

@@ -1,6 +1,5 @@
 using System.Collections.Generic;
 using System.IO;
-using System.Linq;
 using System.Text;
 using SabreTools.IO.Readers;
 using SabreTools.Models.SeparatedValue;
@@ -104,7 +103,7 @@ namespace SabreTools.Serialization.Deserializers
             if (!reader.ReadHeader() || reader.HeaderValues == null)
                 return null;
 
-            dat.Header = reader.HeaderValues.ToArray();
+            dat.Header = [.. reader.HeaderValues];
 
             // Loop through the rows and parse out values
             var rows = new List<Row>();
@@ -135,10 +134,6 @@ namespace SabreTools.Serialization.Deserializers
                         SHA256 = reader.Line[12],
                         Status = reader.Line[13],
                     };
-
-                    // If we have additional fields
-                    if (reader.Line.Count > HeaderWithoutExtendedHashesCount)
-                        row.ADDITIONAL_ELEMENTS = reader.Line.Skip(HeaderWithoutExtendedHashesCount).ToArray();
                 }
                 else
                 {
@@ -162,16 +157,12 @@ namespace SabreTools.Serialization.Deserializers
                         SpamSum = reader.Line[15],
                         Status = reader.Line[16],
                     };
-
-                    // If we have additional fields
-                    if (reader.Line.Count > HeaderWithExtendedHashesCount)
-                        row.ADDITIONAL_ELEMENTS = reader.Line.Skip(HeaderWithExtendedHashesCount).ToArray();
                 }
                 rows.Add(row);
             }
 
             // Assign the rows to the Dat and return
-            dat.Row = rows.ToArray();
+            dat.Row = [.. rows];
             return dat;
         }
 

SabreTools.Serialization/Deserializers/VPK.cs

@@ -195,7 +195,7 @@ namespace SabreTools.Serialization.Deserializers
                 }
             }
 
-            return directoryItems.ToArray();
+            return [.. directoryItems];
         }
 
         /// <summary>

SabreTools.Serialization/Deserializers/XZP.cs

@@ -184,7 +184,7 @@ namespace SabreTools.Serialization.Deserializers
         private static DirectoryItem ParseDirectoryItem(Stream data)
         {
             // TODO: Use marshalling here instead of building
-            DirectoryItem directoryItem = new DirectoryItem();
+            var directoryItem = new DirectoryItem();
 
             directoryItem.FileNameCRC = data.ReadUInt32();
             directoryItem.NameOffset = data.ReadUInt32();

SabreTools.Serialization/ExtensionAttribute.cs

@@ -0,0 +1,9 @@
+#if NET20
+
+namespace System.Runtime.CompilerServices
+{
+    [AttributeUsage(AttributeTargets.Assembly | AttributeTargets.Class | AttributeTargets.Method)]
+    internal sealed class ExtensionAttribute : Attribute {}
+}
+
+#endif

SabreTools.Serialization/Extensions.PortableExecutable.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
-using System.Linq;
 using System.Text;
 using System.Xml.Serialization;
 using SabreTools.IO.Extensions;
@@ -28,7 +27,7 @@ namespace SabreTools.Serialization
                 return 0;
 
             // If the RVA matches a section start exactly, use that
-            var matchingSection = sections.FirstOrDefault(s => s != null && s.VirtualAddress == rva);
+            var matchingSection = Array.Find(sections, s => s != null && s.VirtualAddress == rva);
             if (matchingSection != null)
                 return rva - matchingSection.VirtualAddress + matchingSection.PointerToRawData;
 
@@ -165,7 +164,9 @@ namespace SabreTools.Serialization
             if (string.IsNullOrEmpty(addD.Version))
                 offset = originalOffset + 0x10;
 
-            addD.Build = data.ReadBytes(ref offset, 4)?.Select(b => (char)b)?.ToArray();
+            var buildBytes = data.ReadBytes(ref offset, 4);
+            var buildChars = Array.ConvertAll(buildBytes, b => (char)b);
+            addD.Build = buildChars;
 
             // Distinguish between v1 and v2
             int bytesToRead = 112; // v2

SabreTools.Serialization/Printer.cs

@@ -39,6 +39,7 @@ namespace SabreTools.Serialization
                 Wrapper.BFPK item => item.PrettyPrint(),
                 Wrapper.BSP item => item.PrettyPrint(),
                 Wrapper.CFB item => item.PrettyPrint(),
+                Wrapper.CHD item => item.PrettyPrint(),
                 Wrapper.CIA item => item.PrettyPrint(),
                 Wrapper.GCF item => item.PrettyPrint(),
                 Wrapper.InstallShieldCabinet item => item.PrettyPrint(),
@@ -83,6 +84,7 @@ namespace SabreTools.Serialization
                 Wrapper.BFPK item => item.ExportJSON(),
                 Wrapper.BSP item => item.ExportJSON(),
                 Wrapper.CFB item => item.ExportJSON(),
+                Wrapper.CHD item => item.ExportJSON(),
                 Wrapper.CIA item => item.ExportJSON(),
                 Wrapper.GCF item => item.ExportJSON(),
                 Wrapper.InstallShieldCabinet item => item.ExportJSON(),
@@ -167,6 +169,16 @@ namespace SabreTools.Serialization
             return builder;
         }
 
+        /// <summary>
+        /// Export the item information as pretty-printed text
+        /// </summary>
+        private static StringBuilder PrettyPrint(this Wrapper.CHD item)
+        {
+            var builder = new StringBuilder();
+            CHD.Print(builder, item.Model);
+            return builder;
+        }
+
         /// <summary>
         /// Export the item information as pretty-printed text
         /// </summary>

SabreTools.Serialization/Printers/CHD.cs

@@ -0,0 +1,159 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using SabreTools.Models.CHD;
+using SabreTools.Serialization.Interfaces;
+
+namespace SabreTools.Serialization.Printers
+{
+    public class CHD : IPrinter<Header>
+    {
+        /// <inheritdoc/>
+        public void PrintInformation(StringBuilder builder, Header model)
+            => Print(builder, model);
+
+        public static void Print(StringBuilder builder, Header header)
+        {
+            builder.AppendLine("CHD Header Information:");
+            builder.AppendLine("-------------------------");
+
+            if (header == null)
+            {
+                builder.AppendLine("No header");
+                builder.AppendLine();
+                return;
+            }
+
+            switch (header)
+            {
+                case HeaderV1 v1:
+                    Print(builder, v1);
+                    break;
+                case HeaderV2 v2:
+                    Print(builder, v2);
+                    break;
+                case HeaderV3 v3:
+                    Print(builder, v3);
+                    break;
+                case HeaderV4 v4:
+                    Print(builder, v4);
+                    break;
+                case HeaderV5 v5:
+                    Print(builder, v5);
+                    break;
+                default:
+                    builder.AppendLine("Unrecognized header type");
+                    builder.AppendLine();
+                    break;
+            }
+        }
+
+        private static void Print(StringBuilder builder, HeaderV1 header)
+        {
+            builder.AppendLine(header.Tag, $"Tag");
+            builder.AppendLine(header.Length, $"Length");
+            builder.AppendLine(header.Version, $"Version");
+            builder.AppendLine($"  Flags: {header.Flags} (0x{header.Flags:X})");
+            builder.AppendLine($"  Compression: {header.Compression} (0x{header.Compression:X})");
+            builder.AppendLine(header.HunkSize, $"Hunk size");
+            builder.AppendLine(header.TotalHunks, $"Total hunks");
+            builder.AppendLine(header.Cylinders, $"Cylinders");
+            builder.AppendLine(header.Heads, $"Heads");
+            builder.AppendLine(header.Sectors, $"Sectors");
+            builder.AppendLine(header.MD5, $"MD5");
+            builder.AppendLine(header.ParentMD5, $"Parent MD5");
+            builder.AppendLine();
+        }
+
+        private static void Print(StringBuilder builder, HeaderV2 header)
+        {
+            builder.AppendLine(header.Tag, $"Tag");
+            builder.AppendLine(header.Length, $"Length");
+            builder.AppendLine(header.Version, $"Version");
+            builder.AppendLine($"  Flags: {header.Flags} (0x{header.Flags:X})");
+            builder.AppendLine($"  Compression: {header.Compression} (0x{header.Compression:X})");
+            builder.AppendLine(header.HunkSize, $"Hunk size");
+            builder.AppendLine(header.TotalHunks, $"Total hunks");
+            builder.AppendLine(header.Cylinders, $"Cylinders");
+            builder.AppendLine(header.Heads, $"Heads");
+            builder.AppendLine(header.Sectors, $"Sectors");
+            builder.AppendLine(header.MD5, $"MD5");
+            builder.AppendLine(header.ParentMD5, $"Parent MD5");
+            builder.AppendLine(header.BytesPerSector, $"Bytes per sector");
+            builder.AppendLine();
+        }
+
+        private static void Print(StringBuilder builder, HeaderV3 header)
+        {
+            builder.AppendLine(header.Tag, $"Tag");
+            builder.AppendLine(header.Length, $"Length");
+            builder.AppendLine(header.Version, $"Version");
+            builder.AppendLine($"  Flags: {header.Flags} (0x{header.Flags:X})");
+            builder.AppendLine($"  Compression: {header.Compression} (0x{header.Compression:X})");
+            builder.AppendLine(header.TotalHunks, $"Total hunks");
+            builder.AppendLine(header.LogicalBytes, $"Logical bytes");
+            builder.AppendLine(header.MetaOffset, $"Meta offset");
+            builder.AppendLine(header.MD5, $"MD5");
+            builder.AppendLine(header.ParentMD5, $"Parent MD5");
+            builder.AppendLine(header.HunkBytes, $"Hunk bytes");
+            builder.AppendLine(header.SHA1, $"SHA-1");
+            builder.AppendLine(header.ParentSHA1, $"Parent SHA-1");
+            builder.AppendLine();
+        }
+
+        private static void Print(StringBuilder builder, HeaderV4 header)
+        {
+            builder.AppendLine(header.Tag, $"Tag");
+            builder.AppendLine(header.Length, $"Length");
+            builder.AppendLine(header.Version, $"Version");
+            builder.AppendLine($"  Flags: {header.Flags} (0x{header.Flags:X})");
+            builder.AppendLine($"  Compression: {header.Compression} (0x{header.Compression:X})");
+            builder.AppendLine(header.TotalHunks, $"Total hunks");
+            builder.AppendLine(header.LogicalBytes, $"Logical bytes");
+            builder.AppendLine(header.MetaOffset, $"Meta offset");
+            builder.AppendLine(header.HunkBytes, $"Hunk bytes");
+            builder.AppendLine(header.SHA1, $"SHA-1");
+            builder.AppendLine(header.ParentSHA1, $"Parent SHA-1");
+            builder.AppendLine(header.RawSHA1, $"Raw SHA-1");
+            builder.AppendLine();
+        }
+
+        private static void Print(StringBuilder builder, HeaderV5 header)
+        {
+            builder.AppendLine(header.Tag, $"Tag");
+            builder.AppendLine(header.Length, $"Length");
+            builder.AppendLine(header.Version, $"Version");
+
+            string compressorsLine = "Compressors: ";
+            if (header.Compressors == null)
+            {
+                compressorsLine += "[NULL]";
+            }
+            else
+            {
+                var compressors = new List<string>();
+                for (int i = 0; i < header.Compressors.Length; i++)
+                {
+                    uint compressor = (uint)header.Compressors[i];
+                    byte[] compressorBytes = BitConverter.GetBytes(compressor);
+                    Array.Reverse(compressorBytes);
+                    string compressorString = Encoding.ASCII.GetString(compressorBytes);
+                    compressors.Add(compressorString);
+                }
+
+                compressorsLine += string.Join(", ", [.. compressors]);
+            }
+            builder.AppendLine(compressorsLine);
+
+            builder.AppendLine(header.LogicalBytes, $"Logical bytes");
+            builder.AppendLine(header.MapOffset, $"Map offset");
+            builder.AppendLine(header.MetaOffset, $"Meta offset");
+            builder.AppendLine(header.HunkBytes, $"Hunk bytes");
+            builder.AppendLine(header.UnitBytes, $"Unit bytes");
+            builder.AppendLine(header.RawSHA1, $"Raw SHA-1");
+            builder.AppendLine(header.SHA1, $"SHA-1");
+            builder.AppendLine(header.ParentSHA1, $"Parent SHA-1");
+            builder.AppendLine();
+        }
+    }
+}

SabreTools.Serialization/Printers/InstallShieldCabinet.cs

@@ -315,27 +315,19 @@ namespace SabreTools.Serialization.Printers
                 builder.AppendLine(fileGroup.NameOffset, "    Name offset");
                 builder.AppendLine(fileGroup.Name, "    Name");
                 builder.AppendLine(fileGroup.ExpandedSize, "    Expanded size");
-                builder.AppendLine(fileGroup.Reserved0, "    Reserved 0");
                 builder.AppendLine(fileGroup.CompressedSize, "    Compressed size");
-                builder.AppendLine(fileGroup.Reserved1, "    Reserved 1");
-                builder.AppendLine(fileGroup.Reserved2, "    Reserved 2");
-                builder.AppendLine(fileGroup.Attribute1, "    Attribute 1");
-                builder.AppendLine(fileGroup.Attribute2, "    Attribute 2");
+                builder.AppendLine($"    Attributes: {fileGroup.Attributes} (0x{fileGroup.Attributes:X})");
                 builder.AppendLine(fileGroup.FirstFile, "    First file");
                 builder.AppendLine(fileGroup.LastFile, "    Last file");
-                builder.AppendLine(fileGroup.UnknownOffset, "    Unknown offset");
-                builder.AppendLine(fileGroup.Var4Offset, "    Var 4 offset");
-                builder.AppendLine(fileGroup.Var1Offset, "    Var 1 offset");
+                builder.AppendLine(fileGroup.UnknownStringOffset, "    Unknown string offset");
+                builder.AppendLine(fileGroup.OperatingSystemOffset, "    Operating system offset");
+                builder.AppendLine(fileGroup.LanguageOffset, "    Language offset");
                 builder.AppendLine(fileGroup.HTTPLocationOffset, "    HTTP location offset");
                 builder.AppendLine(fileGroup.FTPLocationOffset, "    FTP location offset");
                 builder.AppendLine(fileGroup.MiscOffset, "    Misc. offset");
-                builder.AppendLine(fileGroup.Var2Offset, "    Var 2 offset");
                 builder.AppendLine(fileGroup.TargetDirectoryOffset, "    Target directory offset");
-                builder.AppendLine(fileGroup.Reserved3, "    Reserved 3");
-                builder.AppendLine(fileGroup.Reserved4, "    Reserved 4");
-                builder.AppendLine(fileGroup.Reserved5, "    Reserved 5");
-                builder.AppendLine(fileGroup.Reserved6, "    Reserved 6");
-                builder.AppendLine(fileGroup.Reserved7, "    Reserved 7");
+                builder.AppendLine($"    Overwrite flags: {fileGroup.OverwriteFlags} (0x{fileGroup.OverwriteFlags:X})");
+                builder.AppendLine(fileGroup.Reserved, "    Reserved");
             }
             builder.AppendLine();
         }
@@ -366,16 +358,16 @@ namespace SabreTools.Serialization.Printers
                 builder.AppendLine(component.DescriptorOffset, "    Descriptor offset");
                 builder.AppendLine(component.DisplayNameOffset, "    Display name offset");
                 builder.AppendLine(component.DisplayName, "    Display name");
-                builder.AppendLine(component.Reserved0, "    Reserved 0");
-                builder.AppendLine(component.ReservedOffset0, "    Reserved offset 0");
-                builder.AppendLine(component.ReservedOffset1, "    Reserved offset 1");
+                builder.AppendLine($"    Status: {component.Status} (0x{component.Status:X})");
+                builder.AppendLine(component.PasswordOffset, "    Password offset");
+                builder.AppendLine(component.MiscOffset, "    Misc. offset");
                 builder.AppendLine(component.ComponentIndex, "    Component index");
                 builder.AppendLine(component.NameOffset, "    Name offset");
                 builder.AppendLine(component.Name, "    Name");
-                builder.AppendLine(component.ReservedOffset2, "    Reserved offset 2");
-                builder.AppendLine(component.ReservedOffset3, "    Reserved offset 3");
-                builder.AppendLine(component.ReservedOffset4, "    Reserved offset 4");
-                builder.AppendLine(component.Reserved1, "    Reserved 1");
+                builder.AppendLine(component.CDRomFolderOffset, "    CD-ROM folder offset");
+                builder.AppendLine(component.HTTPLocationOffset, "    HTTP location offset");
+                builder.AppendLine(component.FTPLocationOffset, "    FTP location offset");
+                builder.AppendLine(component.Guid, "    GUIDs");
                 builder.AppendLine(component.CLSIDOffset, "    CLSID offset");
                 builder.AppendLine(component.CLSID, "    CLSID");
                 builder.AppendLine(component.Reserved2, "    Reserved 2");
@@ -406,10 +398,10 @@ namespace SabreTools.Serialization.Printers
                 builder.AppendLine(component.SubComponentsCount, "    Sub-components count");
                 builder.AppendLine(component.SubComponentsOffset, "    Sub-components offset");
                 builder.AppendLine(component.NextComponentOffset, "    Next component offset");
-                builder.AppendLine(component.ReservedOffset5, "    Reserved offset 5");
-                builder.AppendLine(component.ReservedOffset6, "    Reserved offset 6");
-                builder.AppendLine(component.ReservedOffset7, "    Reserved offset 7");
-                builder.AppendLine(component.ReservedOffset8, "    Reserved offset 8");
+                builder.AppendLine(component.OnInstallingOffset, "    On installing offset");
+                builder.AppendLine(component.OnInstalledOffset, "    On installed offset");
+                builder.AppendLine(component.OnUninstallingOffset, "    On uninstalling offset");
+                builder.AppendLine(component.OnUninstalledOffset, "    On uninstalled offset");
             }
             builder.AppendLine();
         }

SabreTools.Serialization/Printers/N3DS.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Text;
 using SabreTools.Models.N3DS;
 using SabreTools.Serialization.Interfaces;
@@ -44,26 +45,26 @@ namespace SabreTools.Serialization.Printers
             builder.AppendLine(header.PartitionsCryptType, "  Partitions crypt type");
             builder.AppendLine();
 
-            builder.AppendLine("  Partition table:");
-            builder.AppendLine("  -------------------------");
+            builder.AppendLine("    Partition table:");
+            builder.AppendLine("    -------------------------");
             if (header.PartitionsTable == null || header.PartitionsTable.Length == 0)
             {
-                builder.AppendLine("  No partition table entries");
+                builder.AppendLine("    No partition table entries");
             }
             else
             {
                 for (int i = 0; i < header.PartitionsTable.Length; i++)
                 {
                     var partitionTableEntry = header.PartitionsTable[i];
-                    builder.AppendLine($"  Partition table entry {i}");
+                    builder.AppendLine($"    Partition table entry {i}");
                     if (partitionTableEntry == null)
                     {
-                        builder.AppendLine("    [NULL]");
+                        builder.AppendLine("      [NULL]");
                         continue;
                     }
 
-                    builder.AppendLine(partitionTableEntry.Offset, "    Offset");
-                    builder.AppendLine(partitionTableEntry.Length, "    Length");
+                    builder.AppendLine(partitionTableEntry.Offset, "      Offset");
+                    builder.AppendLine(partitionTableEntry.Length, "      Length");
                 }
             }
             builder.AppendLine();
@@ -77,17 +78,17 @@ namespace SabreTools.Serialization.Printers
                 builder.AppendLine(header.PartitionFlags, "  Partition flags");
                 builder.AppendLine();
 
-                builder.AppendLine("  Partition ID table:");
-                builder.AppendLine("  -------------------------");
+                builder.AppendLine("    Partition ID table:");
+                builder.AppendLine("    -------------------------");
                 if (header.PartitionIdTable == null || header.PartitionIdTable.Length == 0)
                 {
-                    builder.AppendLine("  No partition ID table entries");
+                    builder.AppendLine("    No partition ID table entries");
                 }
                 else
                 {
                     for (int i = 0; i < header.PartitionIdTable.Length; i++)
                     {
-                        builder.AppendLine(header.PartitionIdTable[i], $"  Partition {i} ID");
+                        builder.AppendLine(header.PartitionIdTable[i], $"    Partition {i} ID");
                     }
                 }
                 builder.AppendLine();
@@ -131,6 +132,8 @@ namespace SabreTools.Serialization.Printers
             builder.AppendLine(header.CVerVersionNumber, "  Version number of CVer in included update partition");
             builder.AppendLine(header.Reserved4, "  Reserved 4");
             builder.AppendLine();
+
+            Print(builder, header.InitialData);
         }
 
         private static void Print(StringBuilder builder, DevelopmentCardInfoHeader? header)
@@ -144,62 +147,6 @@ namespace SabreTools.Serialization.Printers
                 return;
             }
 
-            builder.AppendLine();
-            builder.AppendLine("  Initial Data:");
-            builder.AppendLine("  -------------------------");
-            if (header.InitialData == null)
-            {
-                builder.AppendLine("  No initial data");
-            }
-            else
-            {
-                builder.AppendLine(header.InitialData.CardSeedKeyY, "  Card seed keyY");
-                builder.AppendLine(header.InitialData.EncryptedCardSeed, "  Encrypted card seed");
-                builder.AppendLine(header.InitialData.CardSeedAESMAC, "  Card seed AES-MAC");
-                builder.AppendLine(header.InitialData.CardSeedNonce, "  Card seed nonce");
-                builder.AppendLine(header.InitialData.Reserved, "  Reserved");
-                builder.AppendLine();
-
-                builder.AppendLine("  Backup Header:");
-                builder.AppendLine("  -------------------------");
-                if (header.InitialData.BackupHeader == null)
-                {
-                    builder.AppendLine("  No backup header");
-                }
-                else
-                {
-                    builder.AppendLine(header.InitialData.BackupHeader.MagicID, "    Magic ID");
-                    builder.AppendLine(header.InitialData.BackupHeader.ContentSizeInMediaUnits, "    Content size in media units");
-                    builder.AppendLine(header.InitialData.BackupHeader.PartitionId, "    Partition ID");
-                    builder.AppendLine(header.InitialData.BackupHeader.MakerCode, "    Maker code");
-                    builder.AppendLine(header.InitialData.BackupHeader.Version, "    Version");
-                    builder.AppendLine(header.InitialData.BackupHeader.VerificationHash, "    Verification hash");
-                    builder.AppendLine(header.InitialData.BackupHeader.ProgramId, "    Program ID");
-                    builder.AppendLine(header.InitialData.BackupHeader.Reserved1, "    Reserved 1");
-                    builder.AppendLine(header.InitialData.BackupHeader.LogoRegionHash, "    Logo region SHA-256 hash");
-                    builder.AppendLine(header.InitialData.BackupHeader.ProductCode, "    Product code");
-                    builder.AppendLine(header.InitialData.BackupHeader.ExtendedHeaderHash, "    Extended header SHA-256 hash");
-                    builder.AppendLine(header.InitialData.BackupHeader.ExtendedHeaderSizeInBytes, "    Extended header size in bytes");
-                    builder.AppendLine(header.InitialData.BackupHeader.Reserved2, "    Reserved 2");
-                    builder.AppendLine($"    Flags: {header.InitialData.BackupHeader.Flags} (0x{header.InitialData.BackupHeader.Flags:X})");
-                    builder.AppendLine(header.InitialData.BackupHeader.PlainRegionOffsetInMediaUnits, "    Plain region offset, in media units");
-                    builder.AppendLine(header.InitialData.BackupHeader.PlainRegionSizeInMediaUnits, "    Plain region size, in media units");
-                    builder.AppendLine(header.InitialData.BackupHeader.LogoRegionOffsetInMediaUnits, "    Logo region offset, in media units");
-                    builder.AppendLine(header.InitialData.BackupHeader.LogoRegionSizeInMediaUnits, "    Logo region size, in media units");
-                    builder.AppendLine(header.InitialData.BackupHeader.ExeFSOffsetInMediaUnits, "    ExeFS offset, in media units");
-                    builder.AppendLine(header.InitialData.BackupHeader.ExeFSSizeInMediaUnits, "    ExeFS size, in media units");
-                    builder.AppendLine(header.InitialData.BackupHeader.ExeFSHashRegionSizeInMediaUnits, "    ExeFS hash region size, in media units");
-                    builder.AppendLine(header.InitialData.BackupHeader.Reserved3, "    Reserved 3");
-                    builder.AppendLine(header.InitialData.BackupHeader.RomFSOffsetInMediaUnits, "    RomFS offset, in media units");
-                    builder.AppendLine(header.InitialData.BackupHeader.RomFSSizeInMediaUnits, "    RomFS size, in media units");
-                    builder.AppendLine(header.InitialData.BackupHeader.RomFSHashRegionSizeInMediaUnits, "    RomFS hash region size, in media units");
-                    builder.AppendLine(header.InitialData.BackupHeader.Reserved4, "    Reserved 4");
-                    builder.AppendLine(header.InitialData.BackupHeader.ExeFSSuperblockHash, "    ExeFS superblock SHA-256 hash");
-                    builder.AppendLine(header.InitialData.BackupHeader.RomFSSuperblockHash, "    RomFS superblock SHA-256 hash");
-                }
-            }
-            builder.AppendLine();
-
             builder.AppendLine(header.CardDeviceReserved1, "  Card device reserved 1");
             builder.AppendLine(header.TitleKey, "  Title key");
             builder.AppendLine(header.CardDeviceReserved2, "  Card device reserved 2");
@@ -227,6 +174,96 @@ namespace SabreTools.Serialization.Printers
             builder.AppendLine();
         }
 
+        private static void Print(StringBuilder builder, InitialData? id)
+        {
+            builder.AppendLine("    Initial Data Information:");
+            builder.AppendLine("    -------------------------");
+            if (id == null)
+            {
+                builder.AppendLine("    No initial data");
+                builder.AppendLine();
+                return;
+            }
+
+            builder.AppendLine(id.CardSeedKeyY, "    Card seed KeyY");
+            builder.AppendLine(id.EncryptedCardSeed, "    Encrypted card seed");
+            builder.AppendLine(id.CardSeedAESMAC, "    Card seed AES-MAC");
+            builder.AppendLine(id.CardSeedNonce, "    Card seed nonce");
+            builder.AppendLine(id.Reserved, "    Reserved");
+            builder.AppendLine();
+
+            PrintBackup(builder, id.BackupHeader);
+        }
+
+        private static void PrintBackup(StringBuilder builder, NCCHHeader? header)
+        {
+            builder.AppendLine("      Backup NCCH Header Information:");
+            builder.AppendLine("      -------------------------");
+            if (header == null)
+            {
+                builder.AppendLine("      No backup NCCH header");
+                builder.AppendLine();
+                return;
+            }
+
+            if (header.MagicID == string.Empty)
+            {
+                builder.AppendLine("      Empty backup header, no data can be parsed");
+            }
+            else if (header.MagicID != Constants.NCCHMagicNumber)
+            {
+                builder.AppendLine("      Unrecognized backup header, no data can be parsed");
+            }
+            else
+            {
+                // Backup header omits RSA signature
+                builder.AppendLine(header.MagicID, "      Magic ID");
+                builder.AppendLine(header.ContentSizeInMediaUnits, "      Content size in media units");
+                builder.AppendLine(header.PartitionId, "      Partition ID");
+                builder.AppendLine(header.MakerCode, "      Maker code");
+                builder.AppendLine(header.Version, "      Version");
+                builder.AppendLine(header.VerificationHash, "      Verification hash");
+                builder.AppendLine(header.ProgramId, "      Program ID");
+                builder.AppendLine(header.Reserved1, "      Reserved 1");
+                builder.AppendLine(header.LogoRegionHash, "      Logo region SHA-256 hash");
+                builder.AppendLine(header.ProductCode, "      Product code");
+                builder.AppendLine(header.ExtendedHeaderHash, "      Extended header SHA-256 hash");
+                builder.AppendLine(header.ExtendedHeaderSizeInBytes, "      Extended header size in bytes");
+                builder.AppendLine(header.Reserved2, "      Reserved 2");
+                builder.AppendLine("      Flags:");
+                if (header.Flags == null)
+                {
+                    builder.AppendLine("        [NULL]");
+                }
+                else
+                {
+                    builder.AppendLine(header.Flags.Reserved0, "        Reserved 0");
+                    builder.AppendLine(header.Flags.Reserved1, "        Reserved 1");
+                    builder.AppendLine(header.Flags.Reserved2, "        Reserved 2");
+                    builder.AppendLine($"        Crypto method: {header.Flags.CryptoMethod} (0x{header.Flags.CryptoMethod:X})");
+                    builder.AppendLine($"        Content platform: {header.Flags.ContentPlatform} (0x{header.Flags.ContentPlatform:X})");
+                    builder.AppendLine($"        Content type: {header.Flags.MediaPlatformIndex} (0x{header.Flags.MediaPlatformIndex:X})");
+                    builder.AppendLine(header.Flags.ContentUnitSize, "        Content unit size");
+                    builder.AppendLine($"        Bitmasks: {header.Flags.BitMasks} (0x{header.Flags.BitMasks:X})");
+                }
+                builder.AppendLine(header.PlainRegionOffsetInMediaUnits, "      Plain region offset, in media units");
+                builder.AppendLine(header.PlainRegionSizeInMediaUnits, "      Plain region size, in media units");
+                builder.AppendLine(header.LogoRegionOffsetInMediaUnits, "      Logo region offset, in media units");
+                builder.AppendLine(header.LogoRegionSizeInMediaUnits, "      Logo region size, in media units");
+                builder.AppendLine(header.ExeFSOffsetInMediaUnits, "      ExeFS offset, in media units");
+                builder.AppendLine(header.ExeFSSizeInMediaUnits, "      ExeFS size, in media units");
+                builder.AppendLine(header.ExeFSHashRegionSizeInMediaUnits, "      ExeFS hash region size, in media units");
+                builder.AppendLine(header.Reserved3, "      Reserved 3");
+                builder.AppendLine(header.RomFSOffsetInMediaUnits, "      RomFS offset, in media units");
+                builder.AppendLine(header.RomFSSizeInMediaUnits, "      RomFS size, in media units");
+                builder.AppendLine(header.RomFSHashRegionSizeInMediaUnits, "      RomFS hash region size, in media units");
+                builder.AppendLine(header.Reserved4, "      Reserved 4");
+                builder.AppendLine(header.ExeFSSuperblockHash, "      ExeFS superblock SHA-256 hash");
+                builder.AppendLine(header.RomFSSuperblockHash, "      RomFS superblock SHA-256 hash");
+            }
+            builder.AppendLine();
+        }
+
         private static void Print(StringBuilder builder, NCCHHeader?[]? entries)
         {
             builder.AppendLine("  NCCH Partition Header Information:");
@@ -455,14 +492,20 @@ namespace SabreTools.Serialization.Printers
                     }
                     else
                     {
-                        builder.AppendLine(entry.ACI.ARM9AccessControl.Descriptors, "        Descriptors");
+                        string descriptorsStr = "[NULL]";
+                        if (entry.ACI.ARM9AccessControl.Descriptors != null)
+                        {
+                            var descriptors = Array.ConvertAll(entry.ACI.ARM9AccessControl.Descriptors, d => d.ToString());
+                            descriptorsStr = string.Join(", ", descriptors);
+                        }
+                        builder.AppendLine(descriptorsStr, "        Descriptors");
                         builder.AppendLine(entry.ACI.ARM9AccessControl.DescriptorVersion, "        Descriptor version");
                     }
-
-                    builder.AppendLine(entry.AccessDescSignature, "    AccessDec signature (RSA-2048-SHA256)");
-                    builder.AppendLine(entry.NCCHHDRPublicKey, "    NCCH HDR RSA-2048 public key");
                 }
 
+                builder.AppendLine(entry.AccessDescSignature, "    AccessDec signature (RSA-2048-SHA256)");
+                builder.AppendLine(entry.NCCHHDRPublicKey, "    NCCH HDR RSA-2048 public key");
+
                 builder.AppendLine("    Access control info (for limitations of first ACI):");
                 if (entry.ACIForLimitations == null)
                 {
@@ -523,7 +566,13 @@ namespace SabreTools.Serialization.Printers
                     }
                     else
                     {
-                        builder.AppendLine(entry.ACIForLimitations.ARM9AccessControl.Descriptors, "        Descriptors");
+                        string descriptorsStr = "[NULL]";
+                        if (entry.ACIForLimitations.ARM9AccessControl.Descriptors != null)
+                        {
+                            var descriptors = Array.ConvertAll(entry.ACIForLimitations.ARM9AccessControl.Descriptors, d => d.ToString());
+                            descriptorsStr = string.Join(", ", descriptors);
+                        }
+                        builder.AppendLine(descriptorsStr, "        Descriptors");
                         builder.AppendLine(entry.ACIForLimitations.ARM9AccessControl.DescriptorVersion, "        Descriptor version");
                     }
                 }

SabreTools.Serialization/Printers/PortableExecutable.cs

@@ -1,13 +1,11 @@
 using System;
 using System.Collections.Generic;
-using System.Linq;
 using System.Text;
 using System.Xml;
 using SabreTools.ASN1;
 using SabreTools.IO.Extensions;
 using SabreTools.Models.PortableExecutable;
 using SabreTools.Serialization.Interfaces;
-using static SabreTools.Serialization.Extensions;
 
 namespace SabreTools.Serialization.Printers
 {
@@ -254,7 +252,7 @@ namespace SabreTools.Serialization.Printers
             }
             if (header.DelayImportDescriptor != null)
             {
-                builder.AppendLine("    Delay Import Descriptior (14)");
+                builder.AppendLine("    Delay Import Descriptor (14)");
                 builder.AppendLine(header.DelayImportDescriptor.VirtualAddress, "      Virtual address");
                 builder.AppendLine(header.DelayImportDescriptor.VirtualAddress.ConvertVirtualAddress(table), "      Physical address");
                 builder.AppendLine(header.DelayImportDescriptor.Size, "      Size");
@@ -999,7 +997,8 @@ namespace SabreTools.Serialization.Printers
             string padding = new(' ', (level + 1) * 2);
 
             // TODO: Use ordered list of base types to determine the shape of the data
-            builder.AppendLine($"{padding}Base types: {string.Join(", ", types.Select(t => t.ToString()).ToArray())}");
+            var baseTypes = Array.ConvertAll(types.ToArray(), t => t.ToString());
+            builder.AppendLine($"{padding}Base types: {string.Join(", ", baseTypes)}");
 
             builder.AppendLine(level, $"{padding}Entry level");
             builder.AppendLine(entry.DataRVA, $"{padding}Data RVA");

SabreTools.Serialization/SabreTools.Serialization.csproj

@@ -1,37 +1,39 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
-  <PropertyGroup>
-    <!-- Assembly Properties -->
-    <TargetFrameworks>net20;net35;net40;net452;net462;net472;net48;netcoreapp3.1;net5.0;net6.0;net7.0;net8.0</TargetFrameworks>
-    <RuntimeIdentifiers>win-x86;win-x64;win-arm64;linux-x64;linux-arm64;osx-x64;osx-arm64</RuntimeIdentifiers>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <LangVersion>latest</LangVersion>
-    <Nullable>enable</Nullable>
-    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <Version>1.6.5</Version>
+    <PropertyGroup>
+        <!-- Assembly Properties -->
+        <TargetFrameworks>net20;net35;net40;net452;net462;net472;net48;netcoreapp3.1;net5.0;net6.0;net7.0;net8.0;net9.0</TargetFrameworks>
+        <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+        <CheckEolTargetFramework>false</CheckEolTargetFramework>
+        <IncludeSourceRevisionInInformationalVersion>false</IncludeSourceRevisionInInformationalVersion>
+        <LangVersion>latest</LangVersion>
+        <Nullable>enable</Nullable>
+        <SuppressTfmSupportBuildWarnings>true</SuppressTfmSupportBuildWarnings>
+        <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+        <Version>1.7.5</Version>
 
-    <!-- Package Properties -->
-    <Authors>Matt Nadareski</Authors>
-    <Description>Serialization and deserialization helpers for various types</Description>
-    <Copyright>Copyright (c) Matt Nadareski 2019-2024</Copyright>
-    <PackageProjectUrl>https://github.com/SabreTools/</PackageProjectUrl>
-    <PackageReadmeFile>README.md</PackageReadmeFile>
-    <RepositoryUrl>https://github.com/SabreTools/SabreTools.Serialization</RepositoryUrl>
-    <RepositoryType>git</RepositoryType>
-    <PackageTags>serialize serialization deserialize deserialization file stream</PackageTags>
-    <PackageLicenseExpression>MIT</PackageLicenseExpression>
-  </PropertyGroup>
+        <!-- Package Properties -->
+        <Authors>Matt Nadareski</Authors>
+        <Description>Serialization and deserialization helpers for various types</Description>
+        <Copyright>Copyright (c) Matt Nadareski 2019-2024</Copyright>
+        <PackageProjectUrl>https://github.com/SabreTools/</PackageProjectUrl>
+        <PackageReadmeFile>README.md</PackageReadmeFile>
+        <RepositoryUrl>https://github.com/SabreTools/SabreTools.Serialization</RepositoryUrl>
+        <RepositoryType>git</RepositoryType>
+        <PackageTags>serialize serialization deserialize deserialization file stream</PackageTags>
+        <PackageLicenseExpression>MIT</PackageLicenseExpression>
+    </PropertyGroup>
 
-  <ItemGroup>
-    <None Include="../README.md" Pack="true" PackagePath="" />
-  </ItemGroup>
+    <ItemGroup>
+        <None Include="../README.md" Pack="true" PackagePath="" />
+    </ItemGroup>
 
-  <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-    <PackageReference Include="SabreTools.ASN1" Version="1.3.2" />
-    <PackageReference Include="SabreTools.Hashing" Version="1.2.0" />
-    <PackageReference Include="SabreTools.IO" Version="1.4.11" />
-    <PackageReference Include="SabreTools.Models" Version="1.4.8" />
-  </ItemGroup>
+    <ItemGroup>
+        <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+        <PackageReference Include="SabreTools.ASN1" Version="1.4.1" />
+        <PackageReference Include="SabreTools.Hashing" Version="1.4.0" />
+        <PackageReference Include="SabreTools.IO" Version="1.5.1" />
+        <PackageReference Include="SabreTools.Models" Version="1.5.1" />
+    </ItemGroup>
 
-</Project>
+</Project>

SabreTools.Serialization/Serializers/AttractMode.cs

@@ -1,5 +1,4 @@
 using System.IO;
-using System.Linq;
 using System.Text;
 using SabreTools.IO.Writers;
 using SabreTools.Models.AttractMode;
@@ -84,7 +83,7 @@ namespace SabreTools.Serialization.Serializers
                 return null;
 
             byte[] bytes = new byte[stream.Length];
-            stream.Read(bytes, 0, bytes.Length);
+            int read = stream.Read(bytes, 0, bytes.Length);
             return bytes;
         }
 
@@ -170,7 +169,7 @@ namespace SabreTools.Serialization.Serializers
         private static void WriteRows(Row?[]? rows, SeparatedValueWriter writer, bool longHeader)
         {
             // If the games information is missing, we can't do anything
-            if (rows == null || !rows.Any())
+            if (rows == null || rows.Length == 0)
                 return;
 
             // Loop through and write out the rows

SabreTools.Serialization/Serializers/BaseBinarySerializer.cs

@@ -1,7 +1,5 @@
 using System;
-using System.Collections.Generic;
 using System.IO;
-using System.Linq;
 using System.Reflection;
 using SabreTools.Serialization.Interfaces;
 
@@ -27,7 +25,7 @@ namespace SabreTools.Serialization.Serializers
                 return null;
 
             byte[] bytes = new byte[stream.Length];
-            stream.Read(bytes, 0, bytes.Length);
+            int read = stream.Read(bytes, 0, bytes.Length);
             return bytes;
         }
 
@@ -107,12 +105,13 @@ namespace SabreTools.Serialization.Serializers
             if (serializerName == null)
                 return default;
 
-            // If the serializer has no model type
-            Type? modelType = typeof(TSerializer).GetGenericArguments()?.FirstOrDefault();
-            if (modelType == null)
+            // If the serializer has no generic arguments
+            var genericArgs = typeof(TSerializer).GetGenericArguments();
+            if (genericArgs == null || genericArgs.Length == 0)
                 return default;
 
             // Loop through all loaded assemblies
+            Type modelType = genericArgs[0];
             foreach (var assembly in AppDomain.CurrentDomain.GetAssemblies())
             {
                 // If the assembly is invalid
@@ -120,19 +119,23 @@ namespace SabreTools.Serialization.Serializers
                     return default;
 
                 // If not all types can be loaded, use the ones that could be
-                List<Type> assemblyTypes = [];
+                Type?[] assemblyTypes = [];
                 try
                 {
-                    assemblyTypes = assembly.GetTypes().ToList<Type>();
+                    assemblyTypes = assembly.GetTypes();
                 }
                 catch (ReflectionTypeLoadException rtle)
                 {
-                    assemblyTypes = rtle.Types.Where(t => t != null)!.ToList<Type>();
+                    assemblyTypes = rtle.Types ?? [];
                 }
 
                 // Loop through all types 
-                foreach (Type type in assemblyTypes)
+                foreach (Type? type in assemblyTypes)
                 {
+                    // If the type is invalid
+                    if (type == null)
+                        continue;
+
                     // If the type isn't a class
                     if (!type.IsClass)
                         continue;

SabreTools.Serialization/Serializers/ClrMamePro.cs

@@ -1,5 +1,4 @@
 using System.IO;
-using System.Linq;
 using System.Text;
 using SabreTools.IO.Writers;
 using SabreTools.Models.ClrMamePro;
@@ -29,7 +28,7 @@ namespace SabreTools.Serialization.Serializers
                 return null;
 
             byte[] bytes = new byte[stream.Length];
-            stream.Read(bytes, 0, bytes.Length);
+            int read = stream.Read(bytes, 0, bytes.Length);
             return bytes;
         }
 
@@ -141,7 +140,7 @@ namespace SabreTools.Serialization.Serializers
         private static void WriteGames(GameBase?[]? games, ClrMameProWriter writer)
         {
             // If the games information is missing, we can't do anything
-            if (games == null || !games.Any())
+            if (games == null || games.Length == 0)
                 return;
 
             // Loop through and write out the games

SabreTools.Serialization/Serializers/DosCenter.cs

@@ -1,5 +1,4 @@
 using System.IO;
-using System.Linq;
 using System.Text;
 using SabreTools.IO.Writers;
 using SabreTools.Models.DosCenter;
@@ -66,7 +65,7 @@ namespace SabreTools.Serialization.Serializers
         private static void WriteGames(Game[]? games, ClrMameProWriter writer)
         {
             // If the games information is missing, we can't do anything
-            if (games == null || !games.Any())
+            if (games == null || games.Length == 0)
                 return;
 
             // Loop through and write out the games

SabreTools.Serialization/Serializers/EverdriveSMDB.cs

@@ -1,6 +1,5 @@
 using System.Collections.Generic;
 using System.IO;
-using System.Linq;
 using System.Text;
 using SabreTools.IO.Writers;
 using SabreTools.Models.EverdriveSMDB;
@@ -36,7 +35,7 @@ namespace SabreTools.Serialization.Serializers
         private static void WriteRows(Row[]? rows, SeparatedValueWriter writer)
         {
             // If the games information is missing, we can't do anything
-            if (rows == null || !rows.Any())
+            if (rows == null || rows.Length == 0)
                 return;
 
             // Loop through and write out the rows
@@ -57,7 +56,7 @@ namespace SabreTools.Serialization.Serializers
                 if (row.Size != null)
                     rowArray.Add(row.Size);
 
-                writer.WriteValues(rowArray.ToArray());
+                writer.WriteValues([.. rowArray]);
                 writer.Flush();
             }
         }

SabreTools.Serialization/Serializers/Hashfile.cs

@@ -1,6 +1,5 @@
 using System;
 using System.IO;
-using System.Linq;
 using System.Text;
 using SabreTools.Hashing;
 using SabreTools.IO.Writers;
@@ -32,7 +31,7 @@ namespace SabreTools.Serialization.Serializers
                 return null;
 
             byte[] bytes = new byte[stream.Length];
-            stream.Read(bytes, 0, bytes.Length);
+            int read = stream.Read(bytes, 0, bytes.Length);
             return bytes;
         }
 
@@ -101,10 +100,6 @@ namespace SabreTools.Serialization.Serializers
             switch (hash)
             {
                 case HashType.CRC32:
-                case HashType.CRC32_ISO:
-                case HashType.CRC32_Naive:
-                case HashType.CRC32_Optimized:
-                case HashType.CRC32_Parallel:
                     WriteSFV(obj.SFV, writer);
                     break;
                 case HashType.MD5:
@@ -142,7 +137,7 @@ namespace SabreTools.Serialization.Serializers
         private static void WriteSFV(SFV[]? sfvs, SeparatedValueWriter writer)
         {
             // If the item information is missing, we can't do anything
-            if (sfvs == null || !sfvs.Any())
+            if (sfvs == null || sfvs.Length == 0)
                 return;
 
             // Loop through and write out the items
@@ -166,7 +161,7 @@ namespace SabreTools.Serialization.Serializers
         private static void WriteMD5(MD5[]? md5s, SeparatedValueWriter writer)
         {
             // If the item information is missing, we can't do anything
-            if (md5s == null || !md5s.Any())
+            if (md5s == null || md5s.Length == 0)
                 return;
 
             // Loop through and write out the items
@@ -190,7 +185,7 @@ namespace SabreTools.Serialization.Serializers
         private static void WriteSHA1(SHA1[]? sha1s, SeparatedValueWriter writer)
         {
             // If the item information is missing, we can't do anything
-            if (sha1s == null || !sha1s.Any())
+            if (sha1s == null || sha1s.Length == 0)
                 return;
 
             // Loop through and write out the items
@@ -214,7 +209,7 @@ namespace SabreTools.Serialization.Serializers
         private static void WriteSHA256(SHA256[]? sha256s, SeparatedValueWriter writer)
         {
             // If the item information is missing, we can't do anything
-            if (sha256s == null || !sha256s.Any())
+            if (sha256s == null || sha256s.Length == 0)
                 return;
 
             // Loop through and write out the items
@@ -238,7 +233,7 @@ namespace SabreTools.Serialization.Serializers
         private static void WriteSHA384(SHA384[]? sha384s, SeparatedValueWriter writer)
         {
             // If the item information is missing, we can't do anything
-            if (sha384s == null || !sha384s.Any())
+            if (sha384s == null || sha384s.Length == 0)
                 return;
 
             // Loop through and write out the items
@@ -262,7 +257,7 @@ namespace SabreTools.Serialization.Serializers
         private static void WriteSHA512(SHA512[]? sha512s, SeparatedValueWriter writer)
         {
             // If the item information is missing, we can't do anything
-            if (sha512s == null || !sha512s.Any())
+            if (sha512s == null || sha512s.Length == 0)
                 return;
 
             // Loop through and write out the items
@@ -286,7 +281,7 @@ namespace SabreTools.Serialization.Serializers
         private static void WriteSpamSum(SpamSum[]? spamsums, SeparatedValueWriter writer)
         {
             // If the item information is missing, we can't do anything
-            if (spamsums == null || !spamsums.Any())
+            if (spamsums == null || spamsums.Length == 0)
                 return;
 
             // Loop through and write out the items

SabreTools.Serialization/Serializers/IRD.cs

@@ -1,6 +1,5 @@
 using System;
 using System.IO;
-using System.Linq;
 using System.Text;
 
 namespace SabreTools.Serialization.Serializers
@@ -38,11 +37,11 @@ namespace SabreTools.Serialization.Serializers
                 return null;
             if (obj.Footer == null || obj.Footer.Length != obj.FooterLength)
                 return null;
-            if (obj.RegionHashes == null || obj.RegionHashes.Length != obj.RegionCount || obj.RegionHashes.Any(h => h == null || h.Length != 16))
+            if (obj.RegionHashes == null || obj.RegionHashes.Length != obj.RegionCount || !Array.TrueForAll(obj.RegionHashes, h => h == null || h.Length != 16))
                 return null;
             if (obj.FileKeys == null || obj.FileKeys.Length != obj.FileCount)
                 return null;
-            if (obj.FileHashes == null || obj.FileHashes.Length != obj.FileCount || obj.FileHashes.Any(h => h == null || h.Length != 16))
+            if (obj.FileHashes == null || obj.FileHashes.Length != obj.FileCount || !Array.TrueForAll(obj.FileHashes, h => h == null || h.Length != 16))
                 return null;
             if (obj.PIC == null || obj.PIC.Length != 115)
                 return null;

SabreTools.Serialization/Serializers/JsonFile.cs

@@ -30,7 +30,7 @@ namespace SabreTools.Serialization.Serializers
                 return null;
 
             byte[] bytes = new byte[stream.Length];
-            stream.Read(bytes, 0, bytes.Length);
+            int read = stream.Read(bytes, 0, bytes.Length);
             return bytes;
         }
 

SabreTools.Serialization/Serializers/Listrom.cs

@@ -1,5 +1,4 @@
 using System.IO;
-using System.Linq;
 using System.Text;
 using SabreTools.Models.Listrom;
 
@@ -34,7 +33,7 @@ namespace SabreTools.Serialization.Serializers
         private static void WriteSets(Set[]? sets, StreamWriter writer)
         {
             // If the games information is missing, we can't do anything
-            if (sets == null || !sets.Any())
+            if (sets == null || sets.Length == 0)
                 return;
 
             // Loop through and write out the games
@@ -58,7 +57,7 @@ namespace SabreTools.Serialization.Serializers
 
             if (!string.IsNullOrEmpty(set.Driver))
             {
-                if (set.Row != null && set.Row.Any())
+                if (set.Row != null && set.Row.Length > 0)
                 {
                     writer.WriteLine($"ROMs required for driver \"{set.Driver}\".");
                     writer.WriteLine("Name                                   Size Checksum");
@@ -78,7 +77,7 @@ namespace SabreTools.Serialization.Serializers
             }
             else if (!string.IsNullOrEmpty(set.Device))
             {
-                if (set.Row != null && set.Row.Any())
+                if (set.Row != null && set.Row.Length > 0)
                 {
                     writer.WriteLine($"ROMs required for device \"{set.Device}\".");
                     writer.WriteLine("Name                                   Size Checksum");

SabreTools.Serialization/Serializers/RomCenter.cs

@@ -1,5 +1,4 @@
 using System.IO;
-using System.Linq;
 using System.Text;
 using SabreTools.IO.Writers;
 using SabreTools.Models.RomCenter;
@@ -124,7 +123,7 @@ namespace SabreTools.Serialization.Serializers
         private static void WriteGames(Games? games, IniWriter writer)
         {
             // If the games information is missing, we can't do anything
-            if (games?.Rom == null || !games.Rom.Any())
+            if (games?.Rom == null || games.Rom.Length == 0)
                 return;
 
             writer.WriteSection("GAMES");

SabreTools.Serialization/Serializers/SeparatedValue.cs

@@ -1,5 +1,4 @@
 using System.IO;
-using System.Linq;
 using System.Text;
 using SabreTools.IO.Writers;
 using SabreTools.Models.SeparatedValue;
@@ -30,7 +29,7 @@ namespace SabreTools.Serialization.Serializers
                 return null;
 
             byte[] bytes = new byte[stream.Length];
-            stream.Read(bytes, 0, bytes.Length);
+            int read = stream.Read(bytes, 0, bytes.Length);
             return bytes;
         }
 
@@ -166,7 +165,7 @@ namespace SabreTools.Serialization.Serializers
         private static void WriteRows(Row[]? rows, SeparatedValueWriter writer, bool longHeader)
         {
             // If the games information is missing, we can't do anything
-            if (rows == null || !rows.Any())
+            if (rows == null || rows.Length == 0)
                 return;
 
             // Loop through and write out the rows

SabreTools.Serialization/Serializers/XmlFile.cs

@@ -33,7 +33,7 @@ namespace SabreTools.Serialization.Serializers
                 return null;
 
             byte[] bytes = new byte[stream.Length];
-            stream.Read(bytes, 0, bytes.Length);
+            int read = stream.Read(bytes, 0, bytes.Length);
             return bytes;
         }
 

SabreTools.Serialization/StringBuilderExtensions.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Linq;
 using System.Text;
 
 namespace SabreTools.Serialization
@@ -147,7 +146,13 @@ namespace SabreTools.Serialization
         /// </summary>
         public static StringBuilder AppendLine(this StringBuilder sb, char[]? value, string prefixString)
         {
-            string valueString = (value == null ? "[NULL]" : string.Join(", ", value.Select(c => c.ToString()).ToArray()));
+            string valueString = "[NULL]";
+            if (value != null)
+            {
+                var valueArr = Array.ConvertAll(value, c => c.ToString());
+                valueString = string.Join(", ", valueArr);
+            }
+
             return sb.AppendLine($"{prefixString}: {valueString}");
         }
 
@@ -156,7 +161,13 @@ namespace SabreTools.Serialization
         /// </summary>
         public static StringBuilder AppendLine(this StringBuilder sb, short[]? value, string prefixString)
         {
-            string valueString = (value == null ? "[NULL]" : string.Join(", ", value.Select(s => s.ToString()).ToArray()));
+            string valueString = "[NULL]";
+            if (value != null)
+            {
+                var valueArr = Array.ConvertAll(value, s => s.ToString());
+                valueString = string.Join(", ", valueArr);
+            }
+
             return sb.AppendLine($"{prefixString}: {valueString}");
         }
 
@@ -165,7 +176,13 @@ namespace SabreTools.Serialization
         /// </summary>
         public static StringBuilder AppendLine(this StringBuilder sb, ushort[]? value, string prefixString)
         {
-            string valueString = (value == null ? "[NULL]" : string.Join(", ", value.Select(u => u.ToString()).ToArray()));
+            string valueString = "[NULL]";
+            if (value != null)
+            {
+                var valueArr = Array.ConvertAll(value, u => u.ToString());
+                valueString = string.Join(", ", valueArr);
+            }
+
             return sb.AppendLine($"{prefixString}: {valueString}");
         }
 
@@ -174,7 +191,13 @@ namespace SabreTools.Serialization
         /// </summary>
         public static StringBuilder AppendLine(this StringBuilder sb, int[]? value, string prefixString)
         {
-            string valueString = (value == null ? "[NULL]" : string.Join(", ", value.Select(i => i.ToString()).ToArray()));
+            string valueString = "[NULL]";
+            if (value != null)
+            {
+                var valueArr = Array.ConvertAll(value, i => i.ToString());
+                valueString = string.Join(", ", valueArr);
+            }
+
             return sb.AppendLine($"{prefixString}: {valueString}");
         }
 
@@ -183,7 +206,13 @@ namespace SabreTools.Serialization
         /// </summary>
         public static StringBuilder AppendLine(this StringBuilder sb, uint[]? value, string prefixString)
         {
-            string valueString = (value == null ? "[NULL]" : string.Join(", ", value.Select(u => u.ToString()).ToArray()));
+            string valueString = "[NULL]";
+            if (value != null)
+            {
+                var valueArr = Array.ConvertAll(value, u => u.ToString());
+                valueString = string.Join(", ", valueArr);
+            }
+
             return sb.AppendLine($"{prefixString}: {valueString}");
         }
 
@@ -192,7 +221,13 @@ namespace SabreTools.Serialization
         /// </summary>
         public static StringBuilder AppendLine(this StringBuilder sb, long[]? value, string prefixString)
         {
-            string valueString = (value == null ? "[NULL]" : string.Join(", ", value.Select(l => l.ToString()).ToArray()));
+            string valueString = "[NULL]";
+            if (value != null)
+            {
+                var valueArr = Array.ConvertAll(value, l => l.ToString());
+                valueString = string.Join(", ", valueArr);
+            }
+
             return sb.AppendLine($"{prefixString}: {valueString}");
         }
 
@@ -201,7 +236,28 @@ namespace SabreTools.Serialization
         /// </summary>
         public static StringBuilder AppendLine(this StringBuilder sb, ulong[]? value, string prefixString)
         {
-            string valueString = (value == null ? "[NULL]" : string.Join(", ", value.Select(u => u.ToString()).ToArray()));
+            string valueString = "[NULL]";
+            if (value != null)
+            {
+                var valueArr = Array.ConvertAll(value, u => u.ToString());
+                valueString = string.Join(", ", valueArr);
+            }
+
+            return sb.AppendLine($"{prefixString}: {valueString}");
+        }
+
+        /// <summary>
+        /// Append a line containing a UInt64[] value to a StringBuilder
+        /// </summary>
+        public static StringBuilder AppendLine(this StringBuilder sb, Guid[]? value, string prefixString)
+        {
+            string valueString = "[NULL]";
+            if (value != null)
+            {
+                var valueArr = Array.ConvertAll(value, g => g.ToString());
+                valueString = string.Join(", ", valueArr);
+            }
+
             return sb.AppendLine($"{prefixString}: {valueString}");
         }
     }

SabreTools.Serialization/Wrappers/CFB.cs

@@ -18,12 +18,12 @@ namespace SabreTools.Serialization.Wrappers
         /// <summary>
         /// Normal sector size in bytes
         /// </summary>
-        public long SectorSize => (long)Math.Pow(2, this.Model.Header?.SectorShift ?? 0);
+        public long SectorSize => (long)Math.Pow(2, Model.Header?.SectorShift ?? 0);
 
         /// <summary>
         /// Mini sector size in bytes
         /// </summary>
-        public long MiniSectorSize => (long)Math.Pow(2, this.Model.Header?.MiniSectorShift ?? 0);
+        public long MiniSectorSize => (long)Math.Pow(2, Model.Header?.MiniSectorShift ?? 0);
 
         #endregion
 
@@ -101,7 +101,7 @@ namespace SabreTools.Serialization.Wrappers
         public List<Models.CFB.SectorNumber?>? GetFATSectorChain(Models.CFB.SectorNumber? startingSector)
         {
             // If we have an invalid sector
-            if (startingSector == null || startingSector < 0 || this.Model.FATSectorNumbers == null || (long)startingSector >= this.Model.FATSectorNumbers.Length)
+            if (startingSector == null || startingSector < 0 || Model.FATSectorNumbers == null || (long)startingSector >= Model.FATSectorNumbers.Length)
                 return null;
 
             // Setup the returned list
@@ -114,10 +114,10 @@ namespace SabreTools.Serialization.Wrappers
                     break;
 
                 // Get the next sector from the lookup table
-                var nextSector = this.Model.FATSectorNumbers[(uint)lastSector!.Value];
+                var nextSector = Model.FATSectorNumbers[(uint)lastSector!.Value];
 
                 // If we have an end of chain or free sector
-                if (nextSector == SabreTools.Models.CFB.SectorNumber.ENDOFCHAIN || nextSector == SabreTools.Models.CFB.SectorNumber.FREESECT)
+                if (nextSector == Models.CFB.SectorNumber.ENDOFCHAIN || nextSector == Models.CFB.SectorNumber.FREESECT)
                     break;
 
                 // Add the next sector to the list and replace the last sector
@@ -158,7 +158,7 @@ namespace SabreTools.Serialization.Wrappers
                 data.AddRange(sectorData);
             }
 
-            return data.ToArray();
+            return [.. data];
         }
 
         /// <summary>
@@ -188,7 +188,7 @@ namespace SabreTools.Serialization.Wrappers
         public List<Models.CFB.SectorNumber?>? GetMiniFATSectorChain(Models.CFB.SectorNumber? startingSector)
         {
             // If we have an invalid sector
-            if (startingSector == null || startingSector < 0 || this.Model.MiniFATSectorNumbers == null || (long)startingSector >= this.Model.MiniFATSectorNumbers.Length)
+            if (startingSector == null || startingSector < 0 || Model.MiniFATSectorNumbers == null || (long)startingSector >= Model.MiniFATSectorNumbers.Length)
                 return null;
 
             // Setup the returned list
@@ -201,10 +201,10 @@ namespace SabreTools.Serialization.Wrappers
                     break;
 
                 // Get the next sector from the lookup table
-                var nextSector = this.Model.MiniFATSectorNumbers[(uint)lastSector!.Value];
+                var nextSector = Model.MiniFATSectorNumbers[(uint)lastSector!.Value];
 
                 // If we have an end of chain or free sector
-                if (nextSector == SabreTools.Models.CFB.SectorNumber.ENDOFCHAIN || nextSector == SabreTools.Models.CFB.SectorNumber.FREESECT)
+                if (nextSector == Models.CFB.SectorNumber.ENDOFCHAIN || nextSector == Models.CFB.SectorNumber.FREESECT)
                     break;
 
                 // Add the next sector to the list and replace the last sector
@@ -245,7 +245,7 @@ namespace SabreTools.Serialization.Wrappers
                 data.AddRange(sectorData);
             }
 
-            return data.ToArray();
+            return [.. data];
         }
 
         /// <summary>

SabreTools.Serialization/Wrappers/CHD.cs

@@ -0,0 +1,121 @@
+using System.IO;
+using SabreTools.Models.CHD;
+
+namespace SabreTools.Serialization.Wrappers
+{
+    public class CHD : WrapperBase<Header>
+    {
+        #region Descriptive Properties
+
+        /// <inheritdoc/>
+        public override string DescriptionString => "MAME Compressed Hunks of Data";
+
+        #endregion
+
+        #region Extension Properties
+
+        /// <summary>
+        /// Internal MD5 hash, if available
+        /// </summary>
+        public byte[]? MD5
+        {
+            get
+            {
+                return Model switch
+                {
+                    HeaderV1 v1 => v1.MD5,
+                    HeaderV2 v2 => v2.MD5,
+                    HeaderV3 v3 => v3.MD5,
+                    HeaderV4 v4 => null,
+                    HeaderV5 v5 => null,
+                    _ => null,
+                };
+            }
+        }
+
+        /// <summary>
+        /// Internal SHA1 hash, if available
+        /// </summary>
+        public byte[]? SHA1
+        {
+            get
+            {
+                return Model switch
+                {
+                    HeaderV1 v1 => null,
+                    HeaderV2 v2 => null,
+                    HeaderV3 v3 => v3.SHA1,
+                    HeaderV4 v4 => v4.SHA1,
+                    HeaderV5 v5 => v5.SHA1,
+                    _ => null,
+                };
+            }
+        }
+
+        #endregion
+
+        #region Constructors
+
+        /// <inheritdoc/>
+        public CHD(Header? model, byte[]? data, int offset)
+            : base(model, data, offset)
+        {
+            // All logic is handled by the base class
+        }
+
+        /// <inheritdoc/>
+        public CHD(Header? model, Stream? data)
+            : base(model, data)
+        {
+            // All logic is handled by the base class
+        }
+
+        /// <summary>
+        /// Create a CHD header from a byte array and offset
+        /// </summary>
+        /// <param name="data">Byte array representing the archive</param>
+        /// <param name="offset">Offset within the array to parse</param>
+        /// <returns>A CHD header wrapper on success, null on failure</returns>
+        public static CHD? Create(byte[]? data, int offset)
+        {
+            // If the data is invalid
+            if (data == null)
+                return null;
+
+            // If the offset is out of bounds
+            if (offset < 0 || offset >= data.Length)
+                return null;
+
+            // Create a memory stream and use that
+            var dataStream = new MemoryStream(data, offset, data.Length - offset);
+            return Create(dataStream);
+        }
+
+        /// <summary>
+        /// Create a CHD header from a Stream
+        /// </summary>
+        /// <param name="data">Stream representing the archive</param>
+        /// <returns>An CHD header on success, null on failure</returns>
+        public static CHD? Create(Stream? data)
+        {
+            // If the data is invalid
+            if (data == null || data.Length == 0 || !data.CanSeek || !data.CanRead)
+                return null;
+
+            var header = Deserializers.CHD.DeserializeStream(data);
+            if (header == null)
+                return null;
+
+            try
+            {
+                return new CHD(header, data);
+            }
+            catch
+            {
+                return null;
+            }
+        }
+
+        #endregion
+    }
+}

SabreTools.Serialization/Wrappers/CIA.cs

@@ -1,4 +1,5 @@
 using System.IO;
+using SabreTools.Models.N3DS;
 
 namespace SabreTools.Serialization.Wrappers
 {
@@ -74,5 +75,36 @@ namespace SabreTools.Serialization.Wrappers
         }
 
         #endregion
+
+        // TODO: Hook these up for external use
+        #region Currently Unused Extensions
+
+        #region Ticket
+
+        /// <summary>
+        /// Denotes if the ticket denotes a demo or not
+        /// </summary>
+        public static bool IsDemo(Ticket? ticket)
+        {
+            if (ticket?.Limits == null || ticket.Limits.Length == 0)
+                return false;
+
+            return ticket.Limits[0] == 0x0004;
+        }
+
+        /// <summary>
+        /// Denotes if the max playcount for a demo
+        /// </summary>
+        public static uint PlayCount(Ticket ticket)
+        {
+            if (ticket?.Limits == null || ticket.Limits.Length == 0)
+                return 0;
+
+            return ticket.Limits[1];
+        }
+
+        #endregion
+
+        #endregion
     }
 }

SabreTools.Serialization/Wrappers/GCF.cs

@@ -26,16 +26,16 @@ namespace SabreTools.Serialization.Wrappers
                     return _files;
 
                 // If we don't have a required property
-                if (this.Model.DirectoryEntries == null || this.Model.DirectoryMapEntries == null || this.Model.BlockEntries == null)
+                if (Model.DirectoryEntries == null || Model.DirectoryMapEntries == null || Model.BlockEntries == null)
                     return null;
 
                 // Otherwise, scan and build the files
                 var files = new List<FileInfo>();
-                for (int i = 0; i < this.Model.DirectoryEntries.Length; i++)
+                for (int i = 0; i < Model.DirectoryEntries.Length; i++)
                 {
                     // Get the directory entry
-                    var directoryEntry = this.Model.DirectoryEntries[i];
-                    var directoryMapEntry = this.Model.DirectoryMapEntries[i];
+                    var directoryEntry = Model.DirectoryEntries[i];
+                    var directoryMapEntry = Model.DirectoryMapEntries[i];
                     if (directoryEntry == null || directoryMapEntry == null)
                         continue;
 
@@ -57,26 +57,26 @@ namespace SabreTools.Serialization.Wrappers
                         Encrypted = directoryEntry.DirectoryFlags.HasFlag(Models.GCF.HL_GCF_FLAG.HL_GCF_FLAG_ENCRYPTED),
 #endif
                     };
-                    var pathParts = new List<string> { this.Model.DirectoryNames![directoryEntry.NameOffset] ?? string.Empty };
+                    var pathParts = new List<string> { Model.DirectoryNames![directoryEntry.NameOffset] ?? string.Empty };
                     var blockEntries = new List<Models.GCF.BlockEntry?>();
 
                     // Traverse the parent tree
                     uint index = directoryEntry.ParentIndex;
                     while (index != 0xFFFFFFFF)
                     {
-                        var parentDirectoryEntry = this.Model.DirectoryEntries[index];
+                        var parentDirectoryEntry = Model.DirectoryEntries[index];
                         if (parentDirectoryEntry == null)
                             break;
 
-                        pathParts.Add(this.Model.DirectoryNames![parentDirectoryEntry.NameOffset] ?? string.Empty);
+                        pathParts.Add(Model.DirectoryNames![parentDirectoryEntry.NameOffset] ?? string.Empty);
                         index = parentDirectoryEntry.ParentIndex;
                     }
 
                     // Traverse the block entries
                     index = directoryMapEntry.FirstBlockIndex;
-                    while (index != this.Model.DataBlockHeader?.BlockCount)
+                    while (index != Model.DataBlockHeader?.BlockCount)
                     {
-                        var nextBlock = this.Model.BlockEntries[index];
+                        var nextBlock = Model.BlockEntries[index];
                         if (nextBlock == null)
                             break;
 
@@ -89,7 +89,7 @@ namespace SabreTools.Serialization.Wrappers
 
                     // Build the remaining file info
 #if NET20 || NET35
-                    var pathArray = pathParts.ToArray();
+                    string[] pathArray = [.. pathParts];
 
                     string tempPath = string.Empty;
                     if (pathArray.Length == 0 || pathArray.Length == 1)
@@ -108,7 +108,7 @@ namespace SabreTools.Serialization.Wrappers
                     }
                     fileInfo.Path = tempPath;
 #else
-                    fileInfo.Path = Path.Combine(pathParts.ToArray());
+                    fileInfo.Path = Path.Combine([.. pathParts]);
 #endif
                     fileInfo.BlockEntries = [.. blockEntries];
 
@@ -134,14 +134,14 @@ namespace SabreTools.Serialization.Wrappers
                     return _dataBlockOffsets;
 
                 // If we don't have a block count, offset, or size
-                if (this.Model.DataBlockHeader?.BlockCount == null || this.Model.DataBlockHeader?.FirstBlockOffset == null || this.Model.DataBlockHeader?.BlockSize == null)
+                if (Model.DataBlockHeader?.BlockCount == null || Model.DataBlockHeader?.FirstBlockOffset == null || Model.DataBlockHeader?.BlockSize == null)
                     return null;
 
                 // Otherwise, build the data block set
-                _dataBlockOffsets = new long[this.Model.DataBlockHeader.BlockCount];
-                for (int i = 0; i < this.Model.DataBlockHeader.BlockCount; i++)
+                _dataBlockOffsets = new long[Model.DataBlockHeader.BlockCount];
+                for (int i = 0; i < Model.DataBlockHeader.BlockCount; i++)
                 {
-                    long dataBlockOffset = this.Model.DataBlockHeader.FirstBlockOffset + (i * this.Model.DataBlockHeader.BlockSize);
+                    long dataBlockOffset = Model.DataBlockHeader.FirstBlockOffset + (i * Model.DataBlockHeader.BlockSize);
                     _dataBlockOffsets[i] = dataBlockOffset;
                 }
 

SabreTools.Serialization/Wrappers/InstallShieldCabinet.cs

@@ -1,5 +1,5 @@
+using System;
 using System.IO;
-using System.Linq;
 using SabreTools.Models.InstallShieldCabinet;
 
 namespace SabreTools.Serialization.Wrappers
@@ -53,7 +53,7 @@ namespace SabreTools.Serialization.Wrappers
         {
             get
             {
-                uint majorVersion = this.Model.CommonHeader?.Version ?? 0;
+                uint majorVersion = Model.CommonHeader?.Version ?? 0;
                 if (majorVersion >> 24 == 1)
                 {
                     majorVersion = (majorVersion >> 12) & 0x0F;
@@ -177,7 +177,7 @@ namespace SabreTools.Serialization.Wrappers
         /// Get the directory index for the given file index
         /// </summary>
         /// <returns>Directory index if found, UInt32.MaxValue on error</returns>
-        public uint GetFileDirectoryIndex(int index)
+        public uint GetDirectoryIndexFromFile(int index)
         {
             FileDescriptor? descriptor = GetFileDescriptor(index);
             if (descriptor != null)
@@ -289,26 +289,46 @@ namespace SabreTools.Serialization.Wrappers
             if (Model.FileGroups == null)
                 return null;
 
-            return Model.FileGroups.FirstOrDefault(fg => fg != null && string.Equals(fg.Name, name));
+            return Array.Find(Model.FileGroups, fg => fg != null && string.Equals(fg.Name, name));
+        }
+
+        /// <summary>
+        /// Get the file group for the given file index, if possible
+        /// </summary>
+        public FileGroup? GetFileGroupFromFile(int index)
+        {
+            if (Model.FileGroups == null)
+                return null;
+
+            if (index < 0 || index >= FileCount)
+                return null;
+
+            for (int i = 0; i < FileGroupCount; i++)
+            {
+                var fileGroup = GetFileGroup(i);
+                if (fileGroup == null)
+                    continue;
+
+                if (fileGroup.FirstFile > index || fileGroup.LastFile < index)
+                    continue;
+
+                return fileGroup;
+            }
+
+            return null;
         }
 
         /// <summary>
         /// Get the file group name at a given index, if possible
         /// </summary>
         public string? GetFileGroupName(int index)
-        {
-            if (Model.FileGroups == null)
-                return null;
+            => GetFileGroup(index)?.Name;
 
-            if (index < 0 || index >= Model.FileGroups.Length)
-                return null;
-
-            var fileGroup = Model.FileGroups[index];
-            if (fileGroup == null)
-                return null;
-
-            return fileGroup.Name;
-        }
+        /// <summary>
+        /// Get the file group name at a given file index, if possible
+        /// </summary>
+        public string? GetFileGroupNameFromFile(int index)
+            => GetFileGroupFromFile(index)?.Name;
 
         #endregion
     }

SabreTools.Serialization/Wrappers/MicrosoftCabinet.cs

@@ -86,13 +86,13 @@ namespace SabreTools.Serialization.Wrappers
         /// </summary>
         private static uint ChecksumData(byte[] data)
         {
-            uint[] C = new uint[4]
-            {
+            uint[] C =
+            [
                 S(data, 1, data.Length),
                 S(data, 2, data.Length),
                 S(data, 3, data.Length),
                 S(data, 4, data.Length),
-            };
+            ];
 
             return C[0] ^ C[1] ^ C[2] ^ C[3];
         }
@@ -124,11 +124,11 @@ namespace SabreTools.Serialization.Wrappers
         public DateTime? GetDateTime(int fileIndex)
         {
             // If we have an invalid file index
-            if (fileIndex < 0 || this.Model.Files == null || fileIndex >= this.Model.Files.Length)
+            if (fileIndex < 0 || Model.Files == null || fileIndex >= Model.Files.Length)
                 return null;
 
             // Get the file header
-            var file = this.Model.Files[fileIndex];
+            var file = Model.Files[fileIndex];
             if (file == null)
                 return null;
 

SabreTools.Serialization/Wrappers/N3DS.cs

@@ -1,8 +1,11 @@
+using System;
 using System.IO;
+using SabreTools.Models.N3DS;
+using static SabreTools.Models.N3DS.Constants;
 
 namespace SabreTools.Serialization.Wrappers
 {
-    public class N3DS : WrapperBase<Models.N3DS.Cart>
+    public class N3DS : WrapperBase<Cart>
     {
         #region Descriptive Properties
 
@@ -11,17 +14,209 @@ namespace SabreTools.Serialization.Wrappers
 
         #endregion
 
+        #region Extension Properties
+
+        /// <summary>
+        /// Backup header
+        /// </summary>
+        public NCCHHeader? BackupHeader => Model.CardInfoHeader?.InitialData?.BackupHeader;
+
+        /// <summary>
+        /// ExeFS headers
+        /// </summary>
+        public ExeFSHeader?[] ExeFSHeaders => Model.ExeFSHeaders ?? [];
+        
+        /// <summary>
+        /// Media unit size in bytes
+        /// </summary>
+        public uint MediaUnitSize
+        {
+            get
+            {
+                if (Model.Header?.PartitionFlags == null)
+                    return default;
+
+                return (uint)(0x200 * Math.Pow(2, Model.Header.PartitionFlags[(int)NCSDFlags.MediaUnitSize]));
+            }
+        }
+
+        /// <summary>
+        /// Partitions data table
+        /// </summary>
+        public NCCHHeader?[] Partitions => Model.Partitions ?? [];
+
+        /// <summary>
+        /// Partitions header table
+        /// </summary>
+        public PartitionTableEntry?[] PartitionsTable => Model.Header?.PartitionsTable ?? [];
+
+        #region Named Partition Entries
+
+        /// <summary>
+        /// Partition table entry for Executable Content (CXI)
+        /// </summary>
+        public PartitionTableEntry? ExecutableContentEntry
+        {
+            get
+            {
+                if (PartitionsTable == null || PartitionsTable.Length == 0)
+                    return null;
+
+                return PartitionsTable[0];
+            }
+        }
+
+        /// <summary>
+        /// Partition table entry for E-Manual (CFA)
+        /// </summary>
+        public PartitionTableEntry? EManualEntry
+        {
+            get
+            {
+                if (PartitionsTable == null || PartitionsTable.Length == 0)
+                    return null;
+
+                return PartitionsTable[1];
+            }
+        }
+
+        /// <summary>
+        /// Partition table entry for Download Play Child container (CFA)
+        /// </summary>
+        public PartitionTableEntry? DownloadPlayChildContainerEntry
+        {
+            get
+            {
+                if (PartitionsTable == null || PartitionsTable.Length == 0)
+                    return null;
+
+                return PartitionsTable[2];
+            }
+        }
+
+        /// <summary>
+        /// Partition table entry for New3DS Update Data (CFA)
+        /// </summary>
+        public PartitionTableEntry? New3DSUpdateDataEntry
+        {
+            get
+            {
+                if (PartitionsTable == null || PartitionsTable.Length == 0)
+                    return null;
+
+                return PartitionsTable[6];
+            }
+        }
+
+        /// <summary>
+        /// Partition table entry for Update Data (CFA)
+        /// </summary>
+        public PartitionTableEntry? UpdateDataEntry
+        {
+            get
+            {
+                if (PartitionsTable == null || PartitionsTable.Length == 0)
+                    return null;
+
+                return PartitionsTable[7];
+            }
+        }
+
+        #endregion
+
+        /// <summary>
+        /// Partitions flags
+        /// </summary>
+        public byte[] PartitionFlags => Model.Header?.PartitionFlags ?? [];
+
+        #region Partition Flags
+
+        /// <summary>
+        /// Backup Write Wait Time (The time to wait to write save to backup after the card is recognized (0-255
+        /// seconds)). NATIVE_FIRM loads this flag from the gamecard NCSD header starting with 6.0.0-11.
+        /// </summary>
+        public byte BackupWriteWaitTime
+        {
+            get
+            {
+                if (PartitionFlags == null || PartitionFlags.Length == 0)
+                    return default;
+
+                return PartitionFlags[(int)NCSDFlags.BackupWriteWaitTime];
+            }
+        }
+
+        /// <summary>
+        /// Media Card Device (1 = NOR Flash, 2 = None, 3 = BT) (Only SDK 2.X)
+        /// </summary>
+        public MediaCardDeviceType MediaCardDevice2X
+        {
+            get
+            {
+                if (PartitionFlags == null || PartitionFlags.Length == 0)
+                    return default;
+
+                return (MediaCardDeviceType)PartitionFlags[(int)NCSDFlags.MediaCardDevice2X];
+            }
+        }
+
+        /// <summary>
+        /// Media Card Device (1 = NOR Flash, 2 = None, 3 = BT) (SDK 3.X+)
+        /// </summary>
+        public MediaCardDeviceType MediaCardDevice3X
+        {
+            get
+            {
+                if (PartitionFlags == null || PartitionFlags.Length == 0)
+                    return default;
+
+                return (MediaCardDeviceType)PartitionFlags[(int)NCSDFlags.MediaCardDevice3X];
+            }
+        }
+
+        /// <summary>
+        /// Media Platform Index (1 = CTR)
+        /// </summary>
+        public MediaPlatformIndex MediaPlatformIndex
+        {
+            get
+            {
+                if (PartitionFlags == null || PartitionFlags.Length == 0)
+                    return default;
+
+                return (MediaPlatformIndex)PartitionFlags[(int)NCSDFlags.MediaPlatformIndex];
+            }
+        }
+
+        /// <summary>
+        /// Media Type Index (0 = Inner Device, 1 = Card1, 2 = Card2, 3 = Extended Device)
+        /// </summary>
+        public MediaTypeIndex MediaTypeIndex
+        {
+            get
+            {
+                if (PartitionFlags == null || PartitionFlags.Length == 0)
+                    return default;
+
+                return (MediaTypeIndex)PartitionFlags[(int)NCSDFlags.MediaTypeIndex];
+            }
+        }
+
+        #endregion
+
+        #endregion
+
         #region Constructors
 
         /// <inheritdoc/>
-        public N3DS(Models.N3DS.Cart? model, byte[]? data, int offset)
+        public N3DS(Cart? model, byte[]? data, int offset)
             : base(model, data, offset)
         {
             // All logic is handled by the base class
         }
 
         /// <inheritdoc/>
-        public N3DS(Models.N3DS.Cart? model, Stream? data)
+        public N3DS(Cart? model, Stream? data)
             : base(model, data)
         {
             // All logic is handled by the base class
@@ -74,5 +269,408 @@ namespace SabreTools.Serialization.Wrappers
         }
 
         #endregion
+
+        #region Data
+
+        /// <summary>
+        /// Get the bit masks for a partition
+        /// </summary>
+        public BitMasks GetBitMasks(int index)
+        {
+            if (Partitions == null)
+                return 0;
+            if (index < 0 || index >= Partitions.Length)
+                return 0;
+
+            var partition = Partitions[index];
+            if (partition?.Flags == null)
+                return 0;
+
+            return partition.Flags.BitMasks;
+        }
+
+        /// <summary>
+        /// Get the crypto method for a partition
+        /// </summary>
+        public CryptoMethod GetCryptoMethod(int index)
+        {
+            if (Partitions == null)
+                return 0;
+            if (index < 0 || index >= Partitions.Length)
+                return 0;
+
+            var partition = Partitions[index];
+            if (partition?.Flags == null)
+                return 0;
+
+            return partition.Flags.CryptoMethod;
+        }
+
+        /// <summary>
+        /// Determines if a file header represents a CODE block
+        /// </summary>
+        public bool IsCodeBinary(int fsIndex, int headerIndex)
+        {
+            if (ExeFSHeaders == null)
+                return false;
+            if (fsIndex < 0 || fsIndex >= ExeFSHeaders.Length)
+                return false;
+
+            var fsHeader = ExeFSHeaders[fsIndex];
+            if (fsHeader?.FileHeaders == null)
+                return false;
+
+            if (headerIndex < 0 || headerIndex >= fsHeader.FileHeaders.Length)
+                return false;
+
+            var fileHeader = fsHeader.FileHeaders[headerIndex];
+            if (fileHeader == null)
+                return false;
+
+            return fileHeader.FileName == ".code";
+        }
+
+        /// <summary>
+        /// Get if the NoCrypto bit is set
+        /// </summary>
+        public bool PossiblyDecrypted(int index)
+        {
+            var bitMasks = GetBitMasks(index);
+#if NET20 || NET35
+            return (bitMasks & BitMasks.NoCrypto) != 0;
+#else
+            return bitMasks.HasFlag(BitMasks.NoCrypto);
+#endif
+        }
+
+        #endregion
+
+        #region Encryption
+
+        /// <summary>
+        /// Get the initial value for the ExeFS counter
+        /// </summary>
+        public byte[] ExeFSIV(int index)
+        {
+            if (Partitions == null)
+                return [];
+            if (index < 0 || index >= Partitions.Length)
+                return [];
+
+            var header = Partitions[index];
+            if (header == null || header.MagicID != NCCHMagicNumber)
+                return [];
+
+            byte[] partitionIdBytes = BitConverter.GetBytes(header.PartitionId);
+            Array.Reverse(partitionIdBytes);
+            return [.. partitionIdBytes, .. ExefsCounter];
+        }
+
+        /// <summary>
+        /// Get the initial value for the plain counter
+        /// </summary>
+        public byte[] PlainIV(int index)
+        {
+            if (Partitions == null)
+                return [];
+            if (index < 0 || index >= Partitions.Length)
+                return [];
+
+            var header = Partitions[index];
+            if (header == null || header.MagicID != NCCHMagicNumber)
+                return [];
+
+            byte[] partitionIdBytes = BitConverter.GetBytes(header.PartitionId);
+            Array.Reverse(partitionIdBytes);
+            return [.. partitionIdBytes, .. PlainCounter];
+        }
+
+        /// <summary>
+        /// Get the initial value for the RomFS counter
+        /// </summary>
+        public byte[] RomFSIV(int index)
+        {
+            if (Partitions == null)
+                return [];
+            if (index < 0 || index >= Partitions.Length)
+                return [];
+
+            var header = Partitions[index];
+            if (header == null || header.MagicID != NCCHMagicNumber)
+                return [];
+
+            byte[] partitionIdBytes = BitConverter.GetBytes(header.PartitionId);
+            Array.Reverse(partitionIdBytes);
+            return [.. partitionIdBytes, .. RomfsCounter];
+        }
+
+        #endregion
+
+        #region Offsets
+
+        /// <summary>
+        /// Get the offset of a partition ExeFS
+        /// </summary>
+        /// <returns>Offset to the ExeFS of the partition, 0 on error</returns>
+        public uint GetExeFSOffset(int index)
+        {
+            // No partitions means no size is available
+            if (PartitionsTable == null || Partitions == null)
+                return 0;
+            if (index < 0 || index >= Partitions.Length)
+                return 0;
+
+            // Invalid partition table entry means no size is available
+            var entry = PartitionsTable[index];
+            if (entry == null)
+                return 0;
+
+            // Invalid partition means no size is available
+            var header = Partitions[index];
+            if (header == null || header.MagicID != NCCHMagicNumber)
+                return 0;
+
+            // If the offset is 0, return 0
+            uint exeFsOffsetMU = header.ExeFSOffsetInMediaUnits;
+            if (exeFsOffsetMU == 0)
+                return 0;
+
+            // Return the adjusted offset
+            uint partitionOffsetMU = entry.Offset;
+            return (partitionOffsetMU + exeFsOffsetMU) * MediaUnitSize;
+        }
+
+        /// <summary>
+        /// Get the offset of a partition logo region
+        /// </summary>
+        /// <returns>Offset to the logo region of the partition, 0 on error</returns>
+        public uint GetLogoRegionOffset(int index)
+        {
+            // No partitions means no size is available
+            if (PartitionsTable == null || Partitions == null)
+                return 0;
+            if (index < 0 || index >= Partitions.Length)
+                return 0;
+
+            // Invalid partition table entry means no size is available
+            var entry = PartitionsTable[index];
+            if (entry == null)
+                return 0;
+
+            // Invalid partition means no size is available
+            var header = Partitions[index];
+            if (header == null || header.MagicID != NCCHMagicNumber)
+                return 0;
+
+            // If the offset is 0, return 0
+            uint logoOffsetMU = header.LogoRegionOffsetInMediaUnits;
+            if (logoOffsetMU == 0)
+                return 0;
+
+            // Return the adjusted offset
+            uint partitionOffsetMU = entry.Offset;
+            return (partitionOffsetMU + logoOffsetMU) * MediaUnitSize;
+        }
+
+        /// <summary>
+        /// Get the offset of a partition
+        /// </summary>
+        /// <returns>Offset to the partition, 0 on error</returns>
+        public uint GetPartitionOffset(int index)
+        {
+            // No partitions means no size is available
+            if (PartitionsTable == null)
+                return 0;
+            if (index < 0 || index >= PartitionsTable.Length)
+                return 0;
+
+            // Invalid partition table entry means no size is available
+            var entry = PartitionsTable[index];
+            if (entry == null)
+                return 0;
+
+            // Return the adjusted offset
+            uint partitionOffsetMU = entry.Offset;
+            if (entry.Offset == 0)
+                return 0;
+
+            // Return the adjusted offset
+            return partitionOffsetMU * MediaUnitSize;
+        }
+
+        /// <summary>
+        /// Get the offset of a partition plain region
+        /// </summary>
+        /// <returns>Offset to the plain region of the partition, 0 on error</returns>
+        public uint GetPlainRegionOffset(int index)
+        {
+            // No partitions means no size is available
+            if (PartitionsTable == null || Partitions == null)
+                return 0;
+            if (index < 0 || index >= Partitions.Length)
+                return 0;
+
+            // Invalid partition table entry means no size is available
+            var entry = PartitionsTable[index];
+            if (entry == null)
+                return 0;
+
+            // Invalid partition means no size is available
+            var header = Partitions[index];
+            if (header == null || header.MagicID != NCCHMagicNumber)
+                return 0;
+
+            // If the offset is 0, return 0
+            uint prOffsetMU = header.PlainRegionOffsetInMediaUnits;
+            if (prOffsetMU == 0)
+                return 0;
+
+            // Return the adjusted offset
+            uint partitionOffsetMU = entry.Offset;
+            return (partitionOffsetMU + prOffsetMU) * MediaUnitSize;
+        }
+
+        /// <summary>
+        /// Get the offset of a partition RomFS
+        /// </summary>
+        /// <returns>Offset to the RomFS of the partition, 0 on error</returns>
+        public uint GetRomFSOffset(int index)
+        {
+            // No partitions means no size is available
+            if (PartitionsTable == null || Partitions == null)
+                return 0;
+            if (index < 0 || index >= Partitions.Length)
+                return 0;
+
+            // Invalid partition table entry means no size is available
+            var entry = PartitionsTable[index];
+            if (entry == null)
+                return 0;
+
+            // Invalid partition means no size is available
+            var header = Partitions[index];
+            if (header == null || header.MagicID != NCCHMagicNumber)
+                return 0;
+
+            // If the offset is 0, return 0
+            uint romFsOffsetMU = header.RomFSOffsetInMediaUnits;
+            if (romFsOffsetMU == 0)
+                return 0;
+
+            // Return the adjusted offset
+            uint partitionOffsetMU = entry.Offset;
+            return (partitionOffsetMU + romFsOffsetMU) * MediaUnitSize;
+        }
+
+        #endregion
+
+        #region Sizes
+
+        /// <summary>
+        /// Get the size of a partition ExeFS
+        /// </summary>
+        /// <returns>Size of the partition ExeFS in bytes, 0 on error</returns>
+        public uint GetExeFSSize(int index)
+        {
+            // Empty partitions array means no size is available
+            if (Partitions == null)
+                return 0;
+            if (index < 0 || index >= Partitions.Length)
+                return 0;
+
+            // Invalid partition header means no size is available
+            var header = Partitions[index];
+            if (header == null)
+                return 0;
+
+            // Return the adjusted size
+            return header.ExeFSSizeInMediaUnits * MediaUnitSize;
+        }
+
+        /// <summary>
+        /// Get the size of a partition extended header
+        /// </summary>
+        /// <returns>Size of the partition extended header in bytes, 0 on error</returns>
+        public uint GetExtendedHeaderSize(int index)
+        {
+            // Empty partitions array means no size is available
+            if (Partitions == null)
+                return 0;
+            if (index < 0 || index >= Partitions.Length)
+                return 0;
+
+            // Invalid partition header means no size is available
+            var header = Partitions[index];
+            if (header == null)
+                return 0;
+
+            // Return the adjusted size
+            return header.ExtendedHeaderSizeInBytes;
+        }
+
+        /// <summary>
+        /// Get the size of a partition logo region
+        /// </summary>
+        /// <returns>Size of the partition logo region in bytes, 0 on error</returns>
+        public uint GetLogoRegionSize(int index)
+        {
+            // Empty partitions array means no size is available
+            if (Partitions == null)
+                return 0;
+            if (index < 0 || index >= Partitions.Length)
+                return 0;
+
+            // Invalid partition header means no size is available
+            var header = Partitions[index];
+            if (header == null)
+                return 0;
+
+            // Return the adjusted size
+            return header.LogoRegionSizeInMediaUnits * MediaUnitSize;
+        }
+
+        /// <summary>
+        /// Get the size of a partition plain region
+        /// </summary>
+        /// <returns>Size of the partition plain region in bytes, 0 on error</returns>
+        public uint GetPlainRegionSize(int index)
+        {
+            // Empty partitions array means no size is available
+            if (Partitions == null)
+                return 0;
+            if (index < 0 || index >= Partitions.Length)
+                return 0;
+
+            // Invalid partition header means no size is available
+            var header = Partitions[index];
+            if (header == null)
+                return 0;
+
+            // Return the adjusted size
+            return header.PlainRegionSizeInMediaUnits * MediaUnitSize;
+        }
+
+        /// <summary>
+        /// Get the size of a partition RomFS
+        /// </summary>
+        /// <returns>Size of the partition RomFS in bytes, 0 on error</returns>
+        public uint GetRomFSSize(int index)
+        {
+            // Empty partitions array means no size is available
+            if (Partitions == null)
+                return 0;
+            if (index < 0 || index >= Partitions.Length)
+                return 0;
+
+            // Invalid partition header means no size is available
+            var header = Partitions[index];
+            if (header == null)
+                return 0;
+
+            // Return the adjusted size
+            return header.RomFSSizeInMediaUnits * MediaUnitSize;
+        }
+
+        #endregion
     }
 }

SabreTools.Serialization/Wrappers/VPK.cs

@@ -1,5 +1,5 @@
+using System;
 using System.IO;
-using System.Linq;
 using static SabreTools.Models.VPK.Constants;
 
 namespace SabreTools.Serialization.Wrappers
@@ -43,13 +43,16 @@ namespace SabreTools.Serialization.Wrappers
                     return null;
 
                 // Get the archive count
-                int archiveCount = this.Model.DirectoryItems == null
-                    ? 0
-                    : this.Model.DirectoryItems
-                        .Select(di => di?.DirectoryEntry)
-                        .Select(de => de?.ArchiveIndex ?? 0)
-                        .Where(ai => ai != HL_VPK_NO_ARCHIVE)
-                        .Max();
+                ushort archiveCount = 0;
+                foreach (var di in Model.DirectoryItems ?? [])
+                {
+                    if (di?.DirectoryEntry == null)
+                        continue;
+                    if (di.DirectoryEntry.ArchiveIndex == HL_VPK_NO_ARCHIVE)
+                        continue;
+
+                    archiveCount = Math.Max(archiveCount, di.DirectoryEntry.ArchiveIndex);
+                }
 
                 // Build the list of archive filenames to populate
                 _archiveFilenames = new string[archiveCount];

SabreTools.Serialization/Wrappers/WrapperBase.cs

@@ -1,3 +1,8 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+using SabreTools.IO.Extensions;
 using SabreTools.Serialization.Interfaces;
 
 namespace SabreTools.Serialization.Wrappers
@@ -27,4 +32,332 @@ namespace SabreTools.Serialization.Wrappers
 
         #endregion
     }
+
+    public abstract class WrapperBase<T> : WrapperBase, IWrapper<T>
+    {
+        #region Properties
+
+        /// <inheritdoc/>
+        public T GetModel() => Model;
+
+        /// <summary>
+        /// Internal model
+        /// </summary>
+        public T Model { get; private set; }
+
+        #endregion
+
+        #region Instance Variables
+
+        /// <summary>
+        /// Source of the original data
+        /// </summary>
+        protected DataSource _dataSource = DataSource.UNKNOWN;
+
+        /// <summary>
+        /// Lock object for reading from the source
+        /// </summary>
+        private readonly object _streamDataLock = new();
+
+        /// <summary>
+        /// Source byte array data
+        /// </summary>
+        /// <remarks>This is only populated if <see cref="_dataSource"/> is <see cref="DataSource.ByteArray"/></remarks>
+        protected byte[]? _byteArrayData = null;
+
+        /// <summary>
+        /// Source byte array data offset
+        /// </summary>
+        /// <remarks>This is only populated if <see cref="_dataSource"/> is <see cref="DataSource.ByteArray"/></remarks>
+        protected int _byteArrayOffset = -1;
+
+        /// <summary>
+        /// Source Stream data
+        /// </summary>
+        /// <remarks>This is only populated if <see cref="_dataSource"/> is <see cref="DataSource.Stream"/></remarks>
+        protected Stream? _streamData = null;
+
+#if !NETFRAMEWORK
+        /// <summary>
+        /// JSON serializer options for output printing
+        /// </summary>
+        protected System.Text.Json.JsonSerializerOptions _jsonSerializerOptions
+        {
+            get
+            {
+#if NETCOREAPP3_1
+                var serializer = new System.Text.Json.JsonSerializerOptions { WriteIndented = true };
+#else
+                var serializer = new System.Text.Json.JsonSerializerOptions { IncludeFields = true, WriteIndented = true };
+#endif
+                serializer.Converters.Add(new ConcreteAbstractSerializer());
+                serializer.Converters.Add(new ConcreteInterfaceSerializer());
+                serializer.Converters.Add(new System.Text.Json.Serialization.JsonStringEnumConverter());
+                return serializer;
+            }
+        }
+#endif
+
+        #endregion
+
+        #region Constructors
+
+        /// <summary>
+        /// Construct a new instance of the wrapper from a byte array
+        /// </summary>
+        protected WrapperBase(T? model, byte[]? data, int offset)
+        {
+            if (model == null)
+                throw new ArgumentNullException(nameof(model));
+            if (data == null)
+                throw new ArgumentNullException(nameof(data));
+            if (offset < 0 || offset >= data.Length)
+                throw new ArgumentOutOfRangeException(nameof(offset));
+
+            Model = model;
+            _dataSource = DataSource.ByteArray;
+            _byteArrayData = data;
+            _byteArrayOffset = offset;
+        }
+
+        /// <summary>
+        /// Construct a new instance of the wrapper from a Stream
+        /// </summary>
+        protected WrapperBase(T? model, Stream? data)
+        {
+            if (model == null)
+                throw new ArgumentNullException(nameof(model));
+            if (data == null)
+                throw new ArgumentNullException(nameof(data));
+            if (data.Length == 0 || !data.CanSeek || !data.CanRead)
+                throw new ArgumentOutOfRangeException(nameof(data));
+
+            Model = model;
+            _dataSource = DataSource.Stream;
+            _streamData = data;
+        }
+
+        #endregion
+
+        #region Data
+
+        /// <summary>
+        /// Validate the backing data source
+        /// </summary>
+        /// <returns>True if the data source is valid, false otherwise</returns>
+        public bool DataSourceIsValid()
+        {
+            return _dataSource switch
+            {
+                // Byte array data requires both a valid array and offset
+                DataSource.ByteArray => _byteArrayData != null && _byteArrayOffset >= 0,
+
+                // Stream data requires both a valid stream
+                DataSource.Stream => _streamData != null && _streamData.CanRead && _streamData.CanSeek,
+
+                // Everything else is invalid
+                _ => false,
+            };
+        }
+
+        /// <summary>
+        /// Check if a data segment is valid in the data source 
+        /// </summary>
+        /// <param name="position">Position in the source</param>
+        /// <param name="length">Length of the data to check</param>
+        /// <returns>True if the positional data is valid, false otherwise</returns>
+        public bool SegmentValid(int position, int length)
+        {
+            // Validate the data souece
+            if (!DataSourceIsValid())
+                return false;
+
+            // If we have an invalid position
+            if (position < 0 || position >= GetEndOfFile())
+                return false;
+
+            return _dataSource switch
+            {
+                DataSource.ByteArray => _byteArrayOffset + position + length <= _byteArrayData!.Length,
+                DataSource.Stream => position + length <= _streamData!.Length,
+
+                // Everything else is invalid
+                _ => false,
+            };
+        }
+
+        /// <summary>
+        /// Read data from the source
+        /// </summary>
+        /// <param name="position">Position in the source to read from</param>
+        /// <param name="length">Length of the requested data</param>
+        /// <returns>Byte array containing the requested data, null on error</returns>
+        public byte[]? ReadFromDataSource(int position, int length)
+        {
+            // Validate the data source
+            if (!DataSourceIsValid())
+                return null;
+
+            // Validate the requested segment
+            if (!SegmentValid(position, length))
+                return null;
+
+            // Read and return the data
+            byte[]? sectionData = null;
+            switch (_dataSource)
+            {
+                case DataSource.ByteArray:
+                    sectionData = new byte[length];
+                    Array.Copy(_byteArrayData!, _byteArrayOffset + position, sectionData, 0, length);
+                    break;
+
+                case DataSource.Stream:
+                    lock (_streamDataLock)
+                    {
+                        long currentLocation = _streamData!.Position;
+                        _streamData.Seek(position, SeekOrigin.Begin);
+                        sectionData = _streamData.ReadBytes(length);
+                        _streamData.Seek(currentLocation, SeekOrigin.Begin);
+                        break;
+                    }
+            }
+
+            return sectionData;
+        }
+
+        /// <summary>
+        /// Read string data from the source
+        /// </summary>
+        /// <param name="position">Position in the source to read from</param>
+        /// <param name="length">Length of the requested data</param>
+        /// <param name="charLimit">Number of characters needed to be a valid string</param>
+        /// <returns>String list containing the requested data, null on error</returns>
+        public List<string>? ReadStringsFromDataSource(int position, int length, int charLimit = 5)
+        {
+            // Read the data as a byte array first
+            byte[]? sourceData = ReadFromDataSource(position, length);
+            if (sourceData == null)
+                return null;
+
+            // Check for ASCII strings
+            var asciiStrings = ReadStringsWithEncoding(sourceData, charLimit, Encoding.ASCII);
+
+            // Check for UTF-8 strings
+            // We are limiting the check for Unicode characters with a second byte of 0x00 for now
+            var utf8Strings = ReadStringsWithEncoding(sourceData, charLimit, Encoding.UTF8);
+
+            // Check for Unicode strings
+            // We are limiting the check for Unicode characters with a second byte of 0x00 for now
+            var unicodeStrings = ReadStringsWithEncoding(sourceData, charLimit, Encoding.Unicode);
+
+            // Ignore duplicate strings across encodings
+            List<string> sourceStrings = [.. asciiStrings, .. utf8Strings, .. unicodeStrings];
+
+            // Sort the strings and return
+            sourceStrings.Sort();
+            return sourceStrings;
+        }
+
+        /// <summary>
+        /// Get the ending offset of the source
+        /// </summary>
+        /// <returns>Value greater than 0 for a valid end of file, -1 on error</returns>
+        public int GetEndOfFile()
+        {
+            // Validate the data souece
+            if (!DataSourceIsValid())
+                return -1;
+
+            // Return the effective endpoint
+            return _dataSource switch
+            {
+                DataSource.ByteArray => _byteArrayData!.Length - _byteArrayOffset,
+                DataSource.Stream => (int)_streamData!.Length,
+                _ => -1,
+            };
+        }
+
+        /// <summary>
+        /// Read string data from the source with an encoding
+        /// </summary>
+        /// <param name="sourceData">Byte array representing the source data</param>
+        /// <param name="charLimit">Number of characters needed to be a valid string</param>
+        /// <param name="encoding">Character encoding to use for checking</param>
+        /// <returns>String list containing the requested data, empty on error</returns>
+        /// <remarks>TODO: Move to IO?</remarks>
+#if NET20
+        private List<string> ReadStringsWithEncoding(byte[] sourceData, int charLimit, Encoding encoding)
+#else
+        private HashSet<string> ReadStringsWithEncoding(byte[] sourceData, int charLimit, Encoding encoding)
+#endif
+        {
+            // If we have an invalid character limit, default to 5
+            if (charLimit <= 0)
+                charLimit = 5;
+
+            // Create the string hash set to return
+#if NET20
+            var sourceStrings = new List<string>();
+#else
+            var sourceStrings = new HashSet<string>();
+#endif
+
+            // Setup cached data
+            int sourceDataIndex = 0;
+            List<char> cachedChars = [];
+
+            // Check for strings
+            while (sourceDataIndex < sourceData.Length)
+            {
+                // Read the next character
+                char ch = encoding.GetChars(sourceData, sourceDataIndex, 1)[0];
+
+                // If we have a control character or an invalid byte
+                bool isValid = !char.IsControl(ch) && (ch & 0xFF00) == 0;
+                if (!isValid)
+                {
+                    // If we have no cached string
+                    if (cachedChars.Count == 0)
+                        continue;
+
+                    // If we have a cached string greater than the limit
+                    if (cachedChars.Count >= charLimit)
+                        sourceStrings.Add(new string([.. cachedChars]));
+
+                    cachedChars.Clear();
+                    continue;
+                }
+
+                // If a long repeating string is found, discard it
+                if (cachedChars.Count >= 64 && cachedChars.TrueForAll(c => c == cachedChars[0]))
+                {
+                    cachedChars.Clear();
+                    continue;
+                }
+
+                // Append the character to the cached string
+                cachedChars.Add(ch);
+                sourceDataIndex++;
+            }
+
+            // If we have a cached string greater than the limit
+            if (cachedChars.Count >= charLimit)
+                sourceStrings.Add(new string([.. cachedChars]));
+
+            return sourceStrings;
+        }
+
+        #endregion
+
+        #region JSON Export
+
+#if !NETFRAMEWORK
+        /// <summary>
+        /// Export the item information as JSON
+        /// </summary>
+        public override string ExportJSON() =>  System.Text.Json.JsonSerializer.Serialize(Model, _jsonSerializerOptions);
+#endif
+
+        #endregion
+    }
 }

SabreTools.Serialization/Wrappers/WrapperBaseT.cs

@@ -1,350 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Text;
-using SabreTools.IO.Extensions;
-using SabreTools.Serialization.Interfaces;
-
-namespace SabreTools.Serialization.Wrappers
-{
-    public abstract class WrapperBase<T> : WrapperBase, IWrapper<T>
-    {
-        #region Properties
-
-        /// <inheritdoc/>
-        public T GetModel() => Model;
-
-        /// <summary>
-        /// Internal model
-        /// </summary>
-        public T Model { get; private set; }
-
-        #endregion
-
-        #region Instance Variables
-
-        /// <summary>
-        /// Source of the original data
-        /// </summary>
-        protected DataSource _dataSource = DataSource.UNKNOWN;
-
-        /// <summary>
-        /// Source byte array data
-        /// </summary>
-        /// <remarks>This is only populated if <see cref="_dataSource"/> is <see cref="DataSource.ByteArray"/></remarks>
-        protected byte[]? _byteArrayData = null;
-
-        /// <summary>
-        /// Source byte array data offset
-        /// </summary>
-        /// <remarks>This is only populated if <see cref="_dataSource"/> is <see cref="DataSource.ByteArray"/></remarks>
-        protected int _byteArrayOffset = -1;
-
-        /// <summary>
-        /// Source Stream data
-        /// </summary>
-        /// <remarks>This is only populated if <see cref="_dataSource"/> is <see cref="DataSource.Stream"/></remarks>
-        protected Stream? _streamData = null;
-
-#if !NETFRAMEWORK
-
-        /// <summary>
-        /// JSON serializer options for output printing
-        /// </summary>
-        protected System.Text.Json.JsonSerializerOptions _jsonSerializerOptions
-        {
-            get
-            {
-#if NETCOREAPP3_1
-                var serializer = new System.Text.Json.JsonSerializerOptions { WriteIndented = true };
-#else
-                var serializer = new System.Text.Json.JsonSerializerOptions { IncludeFields = true, WriteIndented = true };
-#endif
-                serializer.Converters.Add(new ConcreteAbstractSerializer());
-                serializer.Converters.Add(new ConcreteInterfaceSerializer());
-                serializer.Converters.Add(new System.Text.Json.Serialization.JsonStringEnumConverter());
-                return serializer;
-            }
-        }
-
-#endif
-
-        #endregion
-
-        #region Constructors
-
-        /// <summary>
-        /// Construct a new instance of the wrapper from a byte array
-        /// </summary>
-        protected WrapperBase(T? model, byte[]? data, int offset)
-        {
-            if (model == null)
-                throw new ArgumentNullException(nameof(model));
-            if (data == null)
-                throw new ArgumentNullException(nameof(data));
-            if (offset < 0 || offset >= data.Length)
-                throw new ArgumentOutOfRangeException(nameof(offset));
-
-            this.Model = model;
-            _dataSource = DataSource.ByteArray;
-            _byteArrayData = data;
-            _byteArrayOffset = offset;
-        }
-
-        /// <summary>
-        /// Construct a new instance of the wrapper from a Stream
-        /// </summary>
-        protected WrapperBase(T? model, Stream? data)
-        {
-            if (model == null)
-                throw new ArgumentNullException(nameof(model));
-            if (data == null)
-                throw new ArgumentNullException(nameof(data));
-            if (data.Length == 0 || !data.CanSeek || !data.CanRead)
-                throw new ArgumentOutOfRangeException(nameof(data));
-
-            this.Model = model;
-            _dataSource = DataSource.Stream;
-            _streamData = data;
-        }
-
-        #endregion
-
-        #region Data
-
-        /// <summary>
-        /// Validate the backing data source
-        /// </summary>
-        /// <returns>True if the data source is valid, false otherwise</returns>
-        public bool DataSourceIsValid()
-        {
-            switch (_dataSource)
-            {
-                // Byte array data requires both a valid array and offset
-                case DataSource.ByteArray:
-                    return _byteArrayData != null && _byteArrayOffset >= 0;
-
-                // Stream data requires both a valid stream
-                case DataSource.Stream:
-                    return _streamData != null && _streamData.CanRead && _streamData.CanSeek;
-
-                // Everything else is invalid
-                case DataSource.UNKNOWN:
-                default:
-                    return false;
-            }
-        }
-
-        /// <summary>
-        /// Check if a data segment is valid in the data source 
-        /// </summary>
-        /// <param name="position">Position in the source</param>
-        /// <param name="length">Length of the data to check</param>
-        /// <returns>True if the positional data is valid, false otherwise</returns>
-        public bool SegmentValid(int position, int length)
-        {
-            // Validate the data souece
-            if (!DataSourceIsValid())
-                return false;
-
-            // If we have an invalid position
-            if (position < 0 || position >= GetEndOfFile())
-                return false;
-
-            switch (_dataSource)
-            {
-                case DataSource.ByteArray:
-                    return _byteArrayOffset + position + length <= _byteArrayData!.Length;
-
-                case DataSource.Stream:
-                    return position + length <= _streamData!.Length;
-
-                // Everything else is invalid
-                case DataSource.UNKNOWN:
-                default:
-                    return false;
-            }
-        }
-
-        /// <summary>
-        /// Read data from the source
-        /// </summary>
-        /// <param name="position">Position in the source to read from</param>
-        /// <param name="length">Length of the requested data</param>
-        /// <returns>Byte array containing the requested data, null on error</returns>
-        public byte[]? ReadFromDataSource(int position, int length)
-        {
-            // Validate the data source
-            if (!DataSourceIsValid())
-                return null;
-
-            // Validate the requested segment
-            if (!SegmentValid(position, length))
-                return null;
-
-            // Read and return the data
-            byte[]? sectionData = null;
-            switch (_dataSource)
-            {
-                case DataSource.ByteArray:
-                    sectionData = new byte[length];
-                    Array.Copy(_byteArrayData!, _byteArrayOffset + position, sectionData, 0, length);
-                    break;
-
-                case DataSource.Stream:
-                    long currentLocation = _streamData!.Position;
-                    _streamData.Seek(position, SeekOrigin.Begin);
-                    sectionData = _streamData.ReadBytes(length);
-                    _streamData.Seek(currentLocation, SeekOrigin.Begin);
-                    break;
-            }
-
-            return sectionData;
-        }
-
-        /// <summary>
-        /// Read string data from the source
-        /// </summary>
-        /// <param name="position">Position in the source to read from</param>
-        /// <param name="length">Length of the requested data</param>
-        /// <param name="charLimit">Number of characters needed to be a valid string</param>
-        /// <returns>String list containing the requested data, null on error</returns>
-        public List<string>? ReadStringsFromDataSource(int position, int length, int charLimit = 5)
-        {
-            // Read the data as a byte array first
-            byte[]? sourceData = ReadFromDataSource(position, length);
-            if (sourceData == null)
-                return null;
-
-            // If we have an invalid character limit, default to 5
-            if (charLimit <= 0)
-                charLimit = 5;
-
-            // Create the string list to return
-            var sourceStrings = new List<string>();
-
-            // Setup cached data
-            int sourceDataIndex = 0;
-            string cachedString = string.Empty;
-
-            // Check for ASCII strings
-            while (sourceDataIndex < sourceData.Length)
-            {
-                // If we have a control character or an invalid byte
-                if (sourceData[sourceDataIndex] < 0x20 || sourceData[sourceDataIndex] > 0x7F)
-                {
-                    // If we have no cached string
-                    if (cachedString.Length == 0)
-                    {
-                        sourceDataIndex++;
-                        continue;
-                    }
-
-                    // If we have a cached string greater than the limit
-                    if (cachedString.Length >= charLimit)
-                        sourceStrings.Add(cachedString);
-
-                    cachedString = string.Empty;
-                    sourceDataIndex++;
-                    continue;
-                }
-
-                // All other characters get read in
-                cachedString += Encoding.ASCII.GetString(sourceData, sourceDataIndex, 1);
-                sourceDataIndex++;
-            }
-
-            // If we have a cached string greater than the limit
-            if (cachedString.Length >= charLimit)
-                sourceStrings.Add(cachedString);
-
-            // Reset cached data
-            sourceDataIndex = 0;
-            cachedString = string.Empty;
-
-            // We are limiting the check for Unicode characters with a second byte of 0x00 for now
-
-            // Check for Unicode strings
-            while (sourceDataIndex < sourceData.Length)
-            {
-                // Unicode characters are always 2 bytes
-                if (sourceDataIndex == sourceData.Length - 1)
-                    break;
-
-                ushort ch = BitConverter.ToUInt16(sourceData, sourceDataIndex);
-
-                // If we have a null terminator or "invalid" character
-                if (ch == 0x0000 || (ch & 0xFF00) != 0)
-                {
-                    // If we have no cached string
-                    if (cachedString.Length == 0)
-                    {
-                        sourceDataIndex += 2;
-                        continue;
-                    }
-
-                    // If we have a cached string greater than the limit
-                    if (cachedString.Length >= charLimit)
-                        sourceStrings.Add(cachedString);
-
-                    cachedString = string.Empty;
-                    sourceDataIndex += 2;
-                    continue;
-                }
-
-                // All other characters get read in
-                cachedString += Encoding.Unicode.GetString(sourceData, sourceDataIndex, 2);
-                sourceDataIndex += 2;
-            }
-
-            // If we have a cached string greater than the limit
-            if (cachedString.Length >= charLimit)
-                sourceStrings.Add(cachedString);
-
-            // Deduplicate the string list for storage
-            sourceStrings = sourceStrings.Distinct().OrderBy(s => s).ToList();
-
-            // TODO: Complete implementation of string finding
-            return sourceStrings;
-        }
-
-        /// <summary>
-        /// Get the ending offset of the source
-        /// </summary>
-        /// <returns>Value greater than 0 for a valid end of file, -1 on error</returns>
-        public int GetEndOfFile()
-        {
-            // Validate the data souece
-            if (!DataSourceIsValid())
-                return -1;
-
-            // Return the effective endpoint
-            switch (_dataSource)
-            {
-                case DataSource.ByteArray:
-                    return _byteArrayData!.Length - _byteArrayOffset;
-
-                case DataSource.Stream:
-                    return (int)_streamData!.Length;
-
-                case DataSource.UNKNOWN:
-                default:
-                    return -1;
-            }
-        }
-
-        #endregion
-
-        #region JSON Export
-
-#if !NETFRAMEWORK
-        /// <summary>
-        /// Export the item information as JSON
-        /// </summary>
-        public override string ExportJSON() =>  System.Text.Json.JsonSerializer.Serialize(Model, _jsonSerializerOptions);
-#endif
-
-        #endregion
-    }
-}