[AaruFormat] Implement Open

Aaru.Images/AaruFormat/AaruFormat.cs

@@ -1,3 +1,4 @@
+using System;
 using Aaru.CommonTypes.Interfaces;
 using Aaru.CommonTypes.Structs;
 
@@ -7,7 +8,10 @@ namespace Aaru.Images;
 /// <summary>Implements reading and writing AaruFormat media images</summary>
 public sealed partial class AaruFormat : IWritableOpticalImage, IVerifiableImage, IWritableTapeImage
 {
+    const string MODULE_NAME = "Aaru Format plugin";
+
     readonly ImageInfo _imageInfo;
+    IntPtr             _context;
 
     public AaruFormat() => _imageInfo = new ImageInfo
     {

Aaru.Images/AaruFormat/Open.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using Aaru.CommonTypes.Enums;
+using Aaru.CommonTypes.Interfaces;
+using Aaru.Logging;
+
+namespace Aaru.Images;
+
+public sealed partial class AaruFormat
+{
+#region IWritableOpticalImage Members
+
+    /// <inheritdoc />
+    public ErrorNumber Open(IFilter imageFilter)
+    {
+        string imagePath = imageFilter.BasePath;
+
+        _context = aaruf_open(imagePath);
+
+        if(_context != IntPtr.Zero) return ErrorNumber.NoError;
+
+        int errno = Marshal.GetLastWin32Error();
+
+        AaruLogging.Debug(MODULE_NAME,
+                          "Failed to open AaruFormat image {0}, libaaruformat returned error number {1}",
+                          imagePath,
+                          errno);
+
+        return (ErrorNumber)errno;
+    }
+
+#endregion
+
+    // AARU_EXPORT void AARU_CALL *aaruf_open(const char *filepath)
+    [LibraryImport("libaaruformat",
+                   EntryPoint = "aaruf_open",
+                   StringMarshalling = StringMarshalling.Utf8,
+                   SetLastError = true)]
+    [UnmanagedCallConv(CallConvs = [typeof(CallConvStdcall)])]
+    private static partial IntPtr aaruf_open(string filepath);
+}

Aaru.Images/AaruFormat/Unimplemented.cs

@@ -3,7 +3,6 @@ using System.Collections.Generic;
 using Aaru.CommonTypes;
 using Aaru.CommonTypes.AaruMetadata;
 using Aaru.CommonTypes.Enums;
-using Aaru.CommonTypes.Interfaces;
 using Aaru.CommonTypes.Structs;
 using TapeFile = Aaru.CommonTypes.Structs.TapeFile;
 using TapePartition = Aaru.CommonTypes.Structs.TapePartition;
@@ -22,9 +21,6 @@ public sealed partial class AaruFormat
 
 #region IWritableOpticalImage Members
 
-    /// <inheritdoc />
-    public ErrorNumber Open(IFilter imageFilter) => throw new NotImplementedException();
-
     /// <inheritdoc />
     public ErrorNumber ReadMediaTag(MediaTagType tag, out byte[] buffer) => throw new NotImplementedException();
 

Aaru.sln.DotSettings

@@ -1,4 +1,7 @@
-<wpf:ResourceDictionary xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xml:space="preserve">
+<wpf:ResourceDictionary xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                        xmlns:s="clr-namespace:System;assembly=mscorlib"
+                        xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                        xml:space="preserve">
 	<s:String x:Key="/Default/CodeInspection/CppInitialization/DefaultPointerInitializer/@EntryValue">Null</s:String>
   <s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=858398D1_002D7321_002D4763_002D8BAB_002D56BBFEC74E29_002Fd_003Acuetools_002Enet/@EntryIndexedValue">ExplicitlyExcluded</s:String>
   <s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=AnnotateCanBeNullTypeMember/@EntryIndexedValue"></s:String>
@@ -1316,6 +1319,7 @@
   <s:Boolean x:Key="/Default/UserDictionary/Words/=legacyesx/@EntryIndexedValue">True</s:Boolean>
   <s:Boolean x:Key="/Default/UserDictionary/Words/=Legendia/@EntryIndexedValue">True</s:Boolean>
   <s:Boolean x:Key="/Default/UserDictionary/Words/=LEOT/@EntryIndexedValue">True</s:Boolean>
+  <s:Boolean x:Key="/Default/UserDictionary/Words/=libaaruformat/@EntryIndexedValue">True</s:Boolean>
   <s:Boolean x:Key="/Default/UserDictionary/Words/=libc/@EntryIndexedValue">True</s:Boolean>
   <s:Boolean x:Key="/Default/UserDictionary/Words/=libudev/@EntryIndexedValue">True</s:Boolean>
   <s:Boolean x:Key="/Default/UserDictionary/Words/=lisafs/@EntryIndexedValue">True</s:Boolean>