mirror of
https://github.com/SabreTools/SabreTools.Serialization.git
synced 2026-04-05 22:01:33 +00:00
7689c6dd07
This change looks dramatic, but it's just separating out the already-split namespaces into separate top-level folders. In theory, every single one could be built into their own Nuget package. `SabreTools.Serialization` still builds the normal Nuget package that is used by all other projects and includes all namespaces.
259 lines
11 KiB
C#
259 lines
11 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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using SabreTools.Data.Models.Listrom;
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#pragma warning disable IDE0057 // Use range operator
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namespace SabreTools.Serialization.Readers
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{
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public class Listrom : BaseBinaryReader<MetadataFile>
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{
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/// <inheritdoc/>
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public override MetadataFile? Deserialize(Stream? data)
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{
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// If the data is invalid
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if (data is null || !data.CanRead)
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return default;
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try
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{
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// Setup the reader and output
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var reader = new StreamReader(data, Encoding.UTF8);
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var dat = new MetadataFile();
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Set? set = null;
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var sets = new List<Set>();
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var rows = new List<Row>();
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while (!reader.EndOfStream)
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{
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// Read the line and don't split yet
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string? line = reader.ReadLine();
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if (string.IsNullOrEmpty(line))
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{
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// If we have a set to process
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if (set is not null)
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{
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set.Row = [.. rows];
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sets.Add(set);
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set = null;
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rows.Clear();
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}
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continue;
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}
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// Set lines are unique
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if (line.StartsWith("ROMs required for driver"))
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{
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#if NETCOREAPP || NETSTANDARD2_1_OR_GREATER
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string driver = line["ROMs required for driver".Length..].Trim('"', ' ', '.');
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#else
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string driver = line.Substring("ROMs required for driver".Length).Trim('"', ' ', '.');
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#endif
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set = new Set { Driver = driver };
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continue;
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}
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else if (line.StartsWith("No ROMs required for driver"))
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{
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#if NETCOREAPP || NETSTANDARD2_1_OR_GREATER
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string driver = line["No ROMs required for driver".Length..].Trim('"', ' ', '.');
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#else
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string driver = line.Substring("No ROMs required for driver".Length).Trim('"', ' ', '.');
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#endif
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set = new Set { Driver = driver };
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continue;
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}
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else if (line.StartsWith("ROMs required for device"))
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{
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#if NETCOREAPP || NETSTANDARD2_1_OR_GREATER
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string device = line["ROMs required for device".Length..].Trim('"', ' ', '.');
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#else
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string device = line.Substring("ROMs required for device".Length).Trim('"', ' ', '.');
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#endif
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set = new Set { Device = device };
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continue;
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}
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else if (line.StartsWith("No ROMs required for device"))
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{
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#if NETCOREAPP || NETSTANDARD2_1_OR_GREATER
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string device = line["No ROMs required for device".Length..].Trim('"', ' ', '.');
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#else
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string device = line.Substring("No ROMs required for device".Length).Trim('"', ' ', '.');
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#endif
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set = new Set { Device = device };
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continue;
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}
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else if (line.Equals("Name Size Checksum", StringComparison.OrdinalIgnoreCase))
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{
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// No-op
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continue;
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}
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// Split the line for the name iteratively
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#if NETFRAMEWORK || NETCOREAPP3_1 || NETSTANDARD2_0_OR_GREATER
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string[] lineParts = line.Split([" "], StringSplitOptions.RemoveEmptyEntries);
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if (lineParts.Length == 1)
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lineParts = line.Split([" "], StringSplitOptions.RemoveEmptyEntries);
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if (lineParts.Length == 1)
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lineParts = line.Split([" "], StringSplitOptions.RemoveEmptyEntries);
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if (lineParts.Length == 1)
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lineParts = line.Split([" "], StringSplitOptions.RemoveEmptyEntries);
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#else
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string[] lineParts = line.Split(" ", StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
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if (lineParts.Length == 1)
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lineParts = line.Split(" ", StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
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if (lineParts.Length == 1)
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lineParts = line.Split(" ", StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
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if (lineParts.Length == 1)
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lineParts = line.Split(" ", StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
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#endif
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// Read the name and set the rest of the line for processing
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string name = lineParts[0];
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string trimmedLine = line.Substring(name.Length);
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if (trimmedLine is null)
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continue;
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#if NETFRAMEWORK || NETCOREAPP3_1 || NETSTANDARD2_0_OR_GREATER
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lineParts = trimmedLine.Split([' '], StringSplitOptions.RemoveEmptyEntries);
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#else
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lineParts = trimmedLine.Split(' ', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
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#endif
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// The number of items in the row explains what type of row it is
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var row = new Row();
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switch (lineParts.Length)
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{
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// Normal CHD (Name, MD5/SHA1)
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case 1:
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row.Name = name;
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if (line.Contains("MD5("))
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#if NETCOREAPP || NETSTANDARD2_1_OR_GREATER
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row.MD5 = lineParts[0]["MD5".Length..].Trim('(', ')');
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#else
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row.MD5 = lineParts[0].Substring("MD5".Length).Trim('(', ')');
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#endif
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else
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#if NETCOREAPP || NETSTANDARD2_1_OR_GREATER
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row.SHA1 = lineParts[0]["SHA1".Length..].Trim('(', ')');
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#else
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row.SHA1 = lineParts[0].Substring("SHA1".Length).Trim('(', ')');
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#endif
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break;
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// Normal ROM (Name, Size, CRC, MD5/SHA1)
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case 3 when line.Contains("CRC"):
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row.Name = name;
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row.Size = lineParts[0];
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#if NETCOREAPP || NETSTANDARD2_1_OR_GREATER
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row.CRC = lineParts[1]["CRC".Length..].Trim('(', ')');
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#else
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row.CRC = lineParts[1].Substring("CRC".Length).Trim('(', ')');
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#endif
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if (line.Contains("MD5("))
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#if NETCOREAPP || NETSTANDARD2_1_OR_GREATER
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row.MD5 = lineParts[2]["MD5".Length..].Trim('(', ')');
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#else
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row.MD5 = lineParts[2].Substring("MD5".Length).Trim('(', ')');
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#endif
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else
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#if NETCOREAPP || NETSTANDARD2_1_OR_GREATER
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row.SHA1 = lineParts[2]["SHA1".Length..].Trim('(', ')');
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#else
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row.SHA1 = lineParts[2].Substring("SHA1".Length).Trim('(', ')');
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#endif
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break;
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// Bad CHD (Name, BAD, SHA1, BAD_DUMP)
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case 3 when line.Contains("BAD_DUMP"):
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row.Name = name;
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row.Bad = true;
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if (line.Contains("MD5("))
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#if NETCOREAPP || NETSTANDARD2_1_OR_GREATER
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row.MD5 = lineParts[1]["MD5".Length..].Trim('(', ')');
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#else
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row.MD5 = lineParts[1].Substring("MD5".Length).Trim('(', ')');
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#endif
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else
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#if NETCOREAPP || NETSTANDARD2_1_OR_GREATER
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row.SHA1 = lineParts[1]["SHA1".Length..].Trim('(', ')');
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#else
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row.SHA1 = lineParts[1].Substring("SHA1".Length).Trim('(', ')');
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#endif
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break;
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// Nodump CHD (Name, NO GOOD DUMP KNOWN)
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case 4 when line.Contains("NO GOOD DUMP KNOWN"):
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row.Name = name;
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row.NoGoodDumpKnown = true;
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break;
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// Bad ROM (Name, Size, BAD, CRC, MD5/SHA1, BAD_DUMP)
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case 5 when line.Contains("BAD_DUMP"):
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row.Name = name;
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row.Size = lineParts[0];
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row.Bad = true;
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#if NETCOREAPP || NETSTANDARD2_1_OR_GREATER
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row.CRC = lineParts[2]["CRC".Length..].Trim('(', ')');
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#else
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row.CRC = lineParts[2].Substring("CRC".Length).Trim('(', ')');
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#endif
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if (line.Contains("MD5("))
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#if NETCOREAPP || NETSTANDARD2_1_OR_GREATER
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row.MD5 = lineParts[3]["MD5".Length..].Trim('(', ')');
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#else
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row.MD5 = lineParts[3].Substring("MD5".Length).Trim('(', ')');
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#endif
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else
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#if NETCOREAPP || NETSTANDARD2_1_OR_GREATER
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row.SHA1 = lineParts[3]["SHA1".Length..].Trim('(', ')');
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#else
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row.SHA1 = lineParts[3].Substring("SHA1".Length).Trim('(', ')');
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#endif
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break;
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// Nodump ROM (Name, Size, NO GOOD DUMP KNOWN)
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case 5 when line.Contains("NO GOOD DUMP KNOWN"):
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row.Name = name;
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row.Size = lineParts[0];
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row.NoGoodDumpKnown = true;
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break;
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default:
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row = null;
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break;
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}
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if (row is not null)
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rows.Add(row);
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}
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// If we have a set to process
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if (set is not null)
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{
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set.Row = [.. rows];
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sets.Add(set);
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set = null;
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rows.Clear();
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}
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// Add extra pieces and return
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if (sets.Count > 0)
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{
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dat.Set = [.. sets];
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return dat;
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}
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return null;
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}
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catch
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{
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// Ignore the actual error
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return null;
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}
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}
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}
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}
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