static PEFile LoadPEFile(string fileName, BamlDecompilerSettings settings)
{
return(new PEFile(
fileName,
new FileStream(fileName, FileMode.Open, FileAccess.Read),
streamOptions: PEStreamOptions.PrefetchEntireImage,
metadataOptions: MetadataReaderOptions.None
));
}
static BamlDecompilerTypeSystem CreateTypeSystemFromFile(string fileName, BamlDecompilerSettings settings)
{
var file = LoadPEFile(fileName, settings);
var resolver = new UniversalAssemblyResolver(fileName, settings.ThrowOnAssemblyResolveErrors,
file.DetectTargetFrameworkId(), file.DetectRuntimePack(),
PEStreamOptions.PrefetchMetadata,
MetadataReaderOptions.None);
return(new BamlDecompilerTypeSystem(file, resolver));
}
internal XamlDecompiler(BamlDecompilerTypeSystem typeSystem, BamlDecompilerSettings settings)
{
this.typeSystem = typeSystem ?? throw new ArgumentNullException(nameof(typeSystem));
this.settings = settings;
this.module = typeSystem.MainModule;
if (module.TypeSystemOptions.HasFlag(TypeSystemOptions.Uncached))
{
throw new ArgumentException("Cannot use an uncached type system in the decompiler.");
}
}
public static XamlContext Construct(IDecompilerTypeSystem typeSystem, BamlDocument document, CancellationToken token, BamlDecompilerSettings bamlDecompilerOptions)
{
var ctx = new XamlContext(typeSystem);
ctx.CancellationToken = token;
ctx.Settings = bamlDecompilerOptions ?? new BamlDecompilerSettings();
ctx.Baml = BamlContext.ConstructContext(typeSystem, document, token);
ctx.RootNode = BamlNode.Parse(document, token);
ctx.BuildPIMappings(document);
ctx.BuildNodeMap(ctx.RootNode as BamlBlockNode);
return(ctx);
}
public XamlDecompiler(PEFile module, IAssemblyResolver assemblyResolver, BamlDecompilerSettings settings)
: this(new BamlDecompilerTypeSystem(module, assemblyResolver), settings)
{
}
public XamlDecompiler(string fileName, IAssemblyResolver assemblyResolver, BamlDecompilerSettings settings)
: this(LoadPEFile(fileName, settings), assemblyResolver, settings)
{
}
public XamlDecompiler(string fileName, BamlDecompilerSettings settings)
: this(CreateTypeSystemFromFile(fileName, settings), settings)
{
}