mirror of https://github.com/icsharpcode/ILSpy.git
Browse Source
* Change MetadataGenericContext to readonly struct * Rearrange types in Dom.cspull/2639/head
Siegfried Pammer
3 years ago
45 changed files with 466 additions and 396 deletions
@ -1,312 +0,0 @@ |
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#nullable enable |
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using System; |
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using System.Collections.Immutable; |
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using System.IO; |
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using System.Reflection; |
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using System.Reflection.Metadata; |
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using System.Reflection.Metadata.Ecma335; |
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using System.Reflection.PortableExecutable; |
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using ICSharpCode.Decompiler.TypeSystem; |
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using ICSharpCode.Decompiler.Util; |
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namespace ICSharpCode.Decompiler.Metadata |
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{ |
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public enum TargetRuntime |
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{ |
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Unknown, |
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Net_1_0, |
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Net_1_1, |
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Net_2_0, |
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Net_4_0 |
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} |
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public enum ResourceType |
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{ |
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Linked, |
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Embedded, |
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AssemblyLinked, |
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} |
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public abstract class Resource |
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{ |
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public virtual ResourceType ResourceType => ResourceType.Embedded; |
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public virtual ManifestResourceAttributes Attributes => ManifestResourceAttributes.Public; |
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public abstract string Name { get; } |
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public abstract Stream? TryOpenStream(); |
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} |
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public class ByteArrayResource : Resource |
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{ |
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public override string Name { get; } |
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byte[] data; |
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public ByteArrayResource(string name, byte[] data) |
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{ |
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this.Name = name ?? throw new ArgumentNullException(nameof(name)); |
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this.data = data ?? throw new ArgumentNullException(nameof(data)); |
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} |
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public override Stream TryOpenStream() |
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{ |
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return new MemoryStream(data); |
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} |
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} |
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sealed class MetadataResource : Resource |
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{ |
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public PEFile Module { get; } |
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public ManifestResourceHandle Handle { get; } |
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public bool IsNil => Handle.IsNil; |
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public MetadataResource(PEFile module, ManifestResourceHandle handle) |
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{ |
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this.Module = module ?? throw new ArgumentNullException(nameof(module)); |
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this.Handle = handle; |
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} |
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ManifestResource This() => Module.Metadata.GetManifestResource(Handle); |
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public bool Equals(MetadataResource other) |
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{ |
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return Module == other.Module && Handle == other.Handle; |
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} |
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public override bool Equals(object obj) |
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{ |
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if (obj is MetadataResource res) |
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return Equals(res); |
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return false; |
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} |
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public override int GetHashCode() |
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{ |
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return unchecked(982451629 * Module.GetHashCode() + 982451653 * MetadataTokens.GetToken(Handle)); |
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} |
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public override string Name => Module.Metadata.GetString(This().Name); |
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public override ManifestResourceAttributes Attributes => This().Attributes; |
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public bool HasFlag(ManifestResourceAttributes flag) => (Attributes & flag) == flag; |
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public override ResourceType ResourceType => GetResourceType(); |
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ResourceType GetResourceType() |
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{ |
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if (This().Implementation.IsNil) |
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return ResourceType.Embedded; |
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if (This().Implementation.Kind == HandleKind.AssemblyReference) |
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return ResourceType.AssemblyLinked; |
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return ResourceType.Linked; |
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} |
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public override unsafe Stream? TryOpenStream() |
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{ |
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if (ResourceType != ResourceType.Embedded) |
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return null; |
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var headers = Module.Reader.PEHeaders; |
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if (headers.CorHeader == null) |
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return null; |
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var resources = headers.CorHeader.ResourcesDirectory; |
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if (resources.RelativeVirtualAddress == 0) |
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return null; |
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var sectionData = Module.Reader.GetSectionData(resources.RelativeVirtualAddress); |
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if (sectionData.Length == 0) |
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throw new BadImageFormatException("RVA could not be found in any section!"); |
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var reader = sectionData.GetReader(); |
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reader.Offset += (int)This().Offset; |
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int length = reader.ReadInt32(); |
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if (length < 0 || length > reader.RemainingBytes) |
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throw new BadImageFormatException("Resource stream length invalid"); |
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return new ResourceMemoryStream(Module.Reader, reader.CurrentPointer, length); |
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} |
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} |
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sealed unsafe class ResourceMemoryStream : UnmanagedMemoryStream |
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{ |
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readonly PEReader peReader; |
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public ResourceMemoryStream(PEReader peReader, byte* data, long length) |
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: base(data, length, length, FileAccess.Read) |
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{ |
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// Keep the PEReader alive while the stream in in use.
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this.peReader = peReader; |
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} |
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} |
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public sealed class FullTypeNameSignatureDecoder : ISignatureTypeProvider<FullTypeName, Unit>, ICustomAttributeTypeProvider<FullTypeName> |
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{ |
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readonly MetadataReader metadata; |
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public FullTypeNameSignatureDecoder(MetadataReader metadata) |
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{ |
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this.metadata = metadata; |
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} |
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public FullTypeName GetArrayType(FullTypeName elementType, ArrayShape shape) |
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{ |
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return elementType; |
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} |
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public FullTypeName GetByReferenceType(FullTypeName elementType) |
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{ |
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return elementType; |
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} |
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public FullTypeName GetFunctionPointerType(MethodSignature<FullTypeName> signature) |
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{ |
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return default; |
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} |
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public FullTypeName GetGenericInstantiation(FullTypeName genericType, ImmutableArray<FullTypeName> typeArguments) |
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{ |
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return genericType; |
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} |
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public FullTypeName GetGenericMethodParameter(Unit genericContext, int index) |
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{ |
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return default; |
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} |
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public FullTypeName GetGenericTypeParameter(Unit genericContext, int index) |
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{ |
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return default; |
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} |
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public FullTypeName GetModifiedType(FullTypeName modifier, FullTypeName unmodifiedType, bool isRequired) |
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{ |
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return unmodifiedType; |
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} |
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public FullTypeName GetPinnedType(FullTypeName elementType) |
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{ |
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return elementType; |
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} |
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public FullTypeName GetPointerType(FullTypeName elementType) |
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{ |
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return elementType; |
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} |
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public FullTypeName GetPrimitiveType(PrimitiveTypeCode typeCode) |
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{ |
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var ktr = KnownTypeReference.Get(typeCode.ToKnownTypeCode()); |
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if (ktr == null) |
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return default; |
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return new TopLevelTypeName(ktr.Namespace, ktr.Name, ktr.TypeParameterCount); |
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} |
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public FullTypeName GetSystemType() |
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{ |
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return new TopLevelTypeName("System", "Type"); |
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} |
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public FullTypeName GetSZArrayType(FullTypeName elementType) |
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{ |
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return elementType; |
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} |
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public FullTypeName GetTypeFromDefinition(MetadataReader reader, TypeDefinitionHandle handle, byte rawTypeKind) |
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{ |
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return handle.GetFullTypeName(reader); |
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} |
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public FullTypeName GetTypeFromReference(MetadataReader reader, TypeReferenceHandle handle, byte rawTypeKind) |
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{ |
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return handle.GetFullTypeName(reader); |
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} |
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public FullTypeName GetTypeFromSerializedName(string name) |
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{ |
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return new FullTypeName(name); |
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} |
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public FullTypeName GetTypeFromSpecification(MetadataReader reader, Unit genericContext, TypeSpecificationHandle handle, byte rawTypeKind) |
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{ |
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return reader.GetTypeSpecification(handle).DecodeSignature(new FullTypeNameSignatureDecoder(metadata), default); |
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} |
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public PrimitiveTypeCode GetUnderlyingEnumType(FullTypeName type) |
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{ |
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throw new NotImplementedException(); |
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} |
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public bool IsSystemType(FullTypeName type) |
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{ |
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return type.IsKnownType(KnownTypeCode.Type); |
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} |
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} |
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public class GenericContext |
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{ |
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readonly MetadataReader? metadata; |
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readonly TypeDefinitionHandle declaringType; |
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readonly MethodDefinitionHandle method; |
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public static readonly GenericContext Empty = new GenericContext(); |
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private GenericContext() { } |
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public GenericContext(MethodDefinitionHandle method, PEFile module) |
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{ |
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this.metadata = module.Metadata; |
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this.method = method; |
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this.declaringType = module.Metadata.GetMethodDefinition(method).GetDeclaringType(); |
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} |
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public GenericContext(MethodDefinitionHandle method, MetadataReader metadata) |
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{ |
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this.metadata = metadata; |
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this.method = method; |
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this.declaringType = metadata.GetMethodDefinition(method).GetDeclaringType(); |
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} |
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public GenericContext(TypeDefinitionHandle declaringType, PEFile module) |
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{ |
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this.metadata = module.Metadata; |
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this.declaringType = declaringType; |
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} |
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public GenericContext(TypeDefinitionHandle declaringType, MetadataReader metadata) |
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{ |
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this.metadata = metadata; |
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this.declaringType = declaringType; |
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} |
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public string GetGenericTypeParameterName(int index) |
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{ |
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GenericParameterHandle genericParameter = GetGenericTypeParameterHandleOrNull(index); |
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if (genericParameter.IsNil || metadata == null) |
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return index.ToString(); |
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return metadata.GetString(metadata.GetGenericParameter(genericParameter).Name); |
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} |
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public string GetGenericMethodTypeParameterName(int index) |
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{ |
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GenericParameterHandle genericParameter = GetGenericMethodTypeParameterHandleOrNull(index); |
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if (genericParameter.IsNil || metadata == null) |
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return index.ToString(); |
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return metadata.GetString(metadata.GetGenericParameter(genericParameter).Name); |
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} |
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public GenericParameterHandle GetGenericTypeParameterHandleOrNull(int index) |
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{ |
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if (declaringType.IsNil || index < 0 || metadata == null) |
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return MetadataTokens.GenericParameterHandle(0); |
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var genericParameters = metadata.GetTypeDefinition(declaringType).GetGenericParameters(); |
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if (index >= genericParameters.Count) |
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return MetadataTokens.GenericParameterHandle(0); |
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return genericParameters[index]; |
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} |
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public GenericParameterHandle GetGenericMethodTypeParameterHandleOrNull(int index) |
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{ |
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if (method.IsNil || index < 0 || metadata == null) |
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return MetadataTokens.GenericParameterHandle(0); |
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var genericParameters = metadata.GetMethodDefinition(method).GetGenericParameters(); |
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if (index >= genericParameters.Count) |
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return MetadataTokens.GenericParameterHandle(0); |
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return genericParameters[index]; |
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} |
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} |
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} |
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@ -0,0 +1,132 @@ |
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// Copyright (c) 2018 Siegfried Pammer
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of this
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// software and associated documentation files (the "Software"), to deal in the Software
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// without restriction, including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
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// to whom the Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all copies or
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// substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
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// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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#nullable enable |
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using System; |
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using System.Collections.Immutable; |
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using System.Reflection.Metadata; |
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using ICSharpCode.Decompiler.TypeSystem; |
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using ICSharpCode.Decompiler.Util; |
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namespace ICSharpCode.Decompiler.Metadata |
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{ |
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public sealed class FullTypeNameSignatureDecoder : ISignatureTypeProvider<FullTypeName, Unit>, ICustomAttributeTypeProvider<FullTypeName> |
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{ |
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readonly MetadataReader metadata; |
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public FullTypeNameSignatureDecoder(MetadataReader metadata) |
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{ |
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this.metadata = metadata; |
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} |
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public FullTypeName GetArrayType(FullTypeName elementType, ArrayShape shape) |
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{ |
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return elementType; |
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} |
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public FullTypeName GetByReferenceType(FullTypeName elementType) |
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{ |
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return elementType; |
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} |
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public FullTypeName GetFunctionPointerType(MethodSignature<FullTypeName> signature) |
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{ |
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return default; |
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} |
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public FullTypeName GetGenericInstantiation(FullTypeName genericType, ImmutableArray<FullTypeName> typeArguments) |
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{ |
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return genericType; |
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} |
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public FullTypeName GetGenericMethodParameter(Unit genericContext, int index) |
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{ |
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return default; |
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} |
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public FullTypeName GetGenericTypeParameter(Unit genericContext, int index) |
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{ |
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return default; |
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} |
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public FullTypeName GetModifiedType(FullTypeName modifier, FullTypeName unmodifiedType, bool isRequired) |
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{ |
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return unmodifiedType; |
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} |
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public FullTypeName GetPinnedType(FullTypeName elementType) |
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{ |
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return elementType; |
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} |
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public FullTypeName GetPointerType(FullTypeName elementType) |
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{ |
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return elementType; |
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} |
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public FullTypeName GetPrimitiveType(PrimitiveTypeCode typeCode) |
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{ |
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var ktr = KnownTypeReference.Get(typeCode.ToKnownTypeCode()); |
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if (ktr == null) |
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return default; |
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return new TopLevelTypeName(ktr.Namespace, ktr.Name, ktr.TypeParameterCount); |
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} |
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public FullTypeName GetSystemType() |
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{ |
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return new TopLevelTypeName("System", "Type"); |
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} |
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public FullTypeName GetSZArrayType(FullTypeName elementType) |
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{ |
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return elementType; |
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} |
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public FullTypeName GetTypeFromDefinition(MetadataReader reader, TypeDefinitionHandle handle, byte rawTypeKind) |
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{ |
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return handle.GetFullTypeName(reader); |
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} |
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public FullTypeName GetTypeFromReference(MetadataReader reader, TypeReferenceHandle handle, byte rawTypeKind) |
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{ |
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return handle.GetFullTypeName(reader); |
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} |
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public FullTypeName GetTypeFromSerializedName(string name) |
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{ |
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return new FullTypeName(name); |
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} |
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public FullTypeName GetTypeFromSpecification(MetadataReader reader, Unit genericContext, TypeSpecificationHandle handle, byte rawTypeKind) |
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{ |
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return reader.GetTypeSpecification(handle).DecodeSignature(new FullTypeNameSignatureDecoder(metadata), default); |
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} |
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public PrimitiveTypeCode GetUnderlyingEnumType(FullTypeName type) |
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{ |
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throw new NotImplementedException(); |
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} |
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public bool IsSystemType(FullTypeName type) |
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{ |
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return type.IsKnownType(KnownTypeCode.Type); |
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} |
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} |
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} |
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@ -0,0 +1,96 @@ |
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// Copyright (c) 2018 Siegfried Pammer
|
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|
//
|
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|
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
|
||||||
|
// software and associated documentation files (the "Software"), to deal in the Software
|
||||||
|
// without restriction, including without limitation the rights to use, copy, modify, merge,
|
||||||
|
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
|
||||||
|
// to whom the Software is furnished to do so, subject to the following conditions:
|
||||||
|
//
|
||||||
|
// The above copyright notice and this permission notice shall be included in all copies or
|
||||||
|
// substantial portions of the Software.
|
||||||
|
//
|
||||||
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
|
||||||
|
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
|
||||||
|
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
|
||||||
|
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
||||||
|
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||||
|
// DEALINGS IN THE SOFTWARE.
|
||||||
|
|
||||||
|
#nullable enable |
||||||
|
|
||||||
|
using System.Reflection.Metadata; |
||||||
|
using System.Reflection.Metadata.Ecma335; |
||||||
|
|
||||||
|
namespace ICSharpCode.Decompiler.Metadata |
||||||
|
{ |
||||||
|
public readonly struct MetadataGenericContext |
||||||
|
{ |
||||||
|
readonly MetadataReader? metadata; |
||||||
|
readonly TypeDefinitionHandle declaringType; |
||||||
|
readonly MethodDefinitionHandle method; |
||||||
|
|
||||||
|
public MetadataGenericContext(MethodDefinitionHandle method, PEFile module) |
||||||
|
{ |
||||||
|
this.metadata = module.Metadata; |
||||||
|
this.method = method; |
||||||
|
this.declaringType = module.Metadata.GetMethodDefinition(method).GetDeclaringType(); |
||||||
|
} |
||||||
|
|
||||||
|
public MetadataGenericContext(MethodDefinitionHandle method, MetadataReader metadata) |
||||||
|
{ |
||||||
|
this.metadata = metadata; |
||||||
|
this.method = method; |
||||||
|
this.declaringType = metadata.GetMethodDefinition(method).GetDeclaringType(); |
||||||
|
} |
||||||
|
|
||||||
|
public MetadataGenericContext(TypeDefinitionHandle declaringType, PEFile module) |
||||||
|
{ |
||||||
|
this.metadata = module.Metadata; |
||||||
|
this.method = default; |
||||||
|
this.declaringType = declaringType; |
||||||
|
} |
||||||
|
|
||||||
|
public MetadataGenericContext(TypeDefinitionHandle declaringType, MetadataReader metadata) |
||||||
|
{ |
||||||
|
this.metadata = metadata; |
||||||
|
this.method = default; |
||||||
|
this.declaringType = declaringType; |
||||||
|
} |
||||||
|
|
||||||
|
public string GetGenericTypeParameterName(int index) |
||||||
|
{ |
||||||
|
GenericParameterHandle genericParameter = GetGenericTypeParameterHandleOrNull(index); |
||||||
|
if (genericParameter.IsNil || metadata == null) |
||||||
|
return index.ToString(); |
||||||
|
return metadata.GetString(metadata.GetGenericParameter(genericParameter).Name); |
||||||
|
} |
||||||
|
|
||||||
|
public string GetGenericMethodTypeParameterName(int index) |
||||||
|
{ |
||||||
|
GenericParameterHandle genericParameter = GetGenericMethodTypeParameterHandleOrNull(index); |
||||||
|
if (genericParameter.IsNil || metadata == null) |
||||||
|
return index.ToString(); |
||||||
|
return metadata.GetString(metadata.GetGenericParameter(genericParameter).Name); |
||||||
|
} |
||||||
|
|
||||||
|
public GenericParameterHandle GetGenericTypeParameterHandleOrNull(int index) |
||||||
|
{ |
||||||
|
if (declaringType.IsNil || index < 0 || metadata == null) |
||||||
|
return MetadataTokens.GenericParameterHandle(0); |
||||||
|
var genericParameters = metadata.GetTypeDefinition(declaringType).GetGenericParameters(); |
||||||
|
if (index >= genericParameters.Count) |
||||||
|
return MetadataTokens.GenericParameterHandle(0); |
||||||
|
return genericParameters[index]; |
||||||
|
} |
||||||
|
|
||||||
|
public GenericParameterHandle GetGenericMethodTypeParameterHandleOrNull(int index) |
||||||
|
{ |
||||||
|
if (method.IsNil || index < 0 || metadata == null) |
||||||
|
return MetadataTokens.GenericParameterHandle(0); |
||||||
|
var genericParameters = metadata.GetMethodDefinition(method).GetGenericParameters(); |
||||||
|
if (index >= genericParameters.Count) |
||||||
|
return MetadataTokens.GenericParameterHandle(0); |
||||||
|
return genericParameters[index]; |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
@ -0,0 +1,143 @@ |
|||||||
|
// Copyright (c) 2018 Daniel Grunwald
|
||||||
|
//
|
||||||
|
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
|
||||||
|
// software and associated documentation files (the "Software"), to deal in the Software
|
||||||
|
// without restriction, including without limitation the rights to use, copy, modify, merge,
|
||||||
|
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
|
||||||
|
// to whom the Software is furnished to do so, subject to the following conditions:
|
||||||
|
//
|
||||||
|
// The above copyright notice and this permission notice shall be included in all copies or
|
||||||
|
// substantial portions of the Software.
|
||||||
|
//
|
||||||
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
|
||||||
|
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
|
||||||
|
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
|
||||||
|
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
||||||
|
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||||
|
// DEALINGS IN THE SOFTWARE.
|
||||||
|
|
||||||
|
#nullable enable |
||||||
|
|
||||||
|
using System; |
||||||
|
using System.IO; |
||||||
|
using System.Reflection; |
||||||
|
using System.Reflection.Metadata; |
||||||
|
using System.Reflection.Metadata.Ecma335; |
||||||
|
using System.Reflection.PortableExecutable; |
||||||
|
|
||||||
|
namespace ICSharpCode.Decompiler.Metadata |
||||||
|
{ |
||||||
|
public enum ResourceType |
||||||
|
{ |
||||||
|
Linked, |
||||||
|
Embedded, |
||||||
|
AssemblyLinked, |
||||||
|
} |
||||||
|
|
||||||
|
public abstract class Resource |
||||||
|
{ |
||||||
|
public virtual ResourceType ResourceType => ResourceType.Embedded; |
||||||
|
public virtual ManifestResourceAttributes Attributes => ManifestResourceAttributes.Public; |
||||||
|
public abstract string Name { get; } |
||||||
|
public abstract Stream? TryOpenStream(); |
||||||
|
} |
||||||
|
|
||||||
|
public class ByteArrayResource : Resource |
||||||
|
{ |
||||||
|
public override string Name { get; } |
||||||
|
byte[] data; |
||||||
|
|
||||||
|
public ByteArrayResource(string name, byte[] data) |
||||||
|
{ |
||||||
|
this.Name = name ?? throw new ArgumentNullException(nameof(name)); |
||||||
|
this.data = data ?? throw new ArgumentNullException(nameof(data)); |
||||||
|
} |
||||||
|
|
||||||
|
public override Stream TryOpenStream() |
||||||
|
{ |
||||||
|
return new MemoryStream(data); |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
sealed class MetadataResource : Resource |
||||||
|
{ |
||||||
|
public PEFile Module { get; } |
||||||
|
public ManifestResourceHandle Handle { get; } |
||||||
|
public bool IsNil => Handle.IsNil; |
||||||
|
|
||||||
|
public MetadataResource(PEFile module, ManifestResourceHandle handle) |
||||||
|
{ |
||||||
|
this.Module = module ?? throw new ArgumentNullException(nameof(module)); |
||||||
|
this.Handle = handle; |
||||||
|
} |
||||||
|
|
||||||
|
ManifestResource This() => Module.Metadata.GetManifestResource(Handle); |
||||||
|
|
||||||
|
public bool Equals(MetadataResource other) |
||||||
|
{ |
||||||
|
return Module == other.Module && Handle == other.Handle; |
||||||
|
} |
||||||
|
|
||||||
|
public override bool Equals(object? obj) |
||||||
|
{ |
||||||
|
if (obj is MetadataResource res) |
||||||
|
return Equals(res); |
||||||
|
return false; |
||||||
|
} |
||||||
|
|
||||||
|
public override int GetHashCode() |
||||||
|
{ |
||||||
|
return unchecked(982451629 * Module.GetHashCode() + 982451653 * MetadataTokens.GetToken(Handle)); |
||||||
|
} |
||||||
|
|
||||||
|
public override string Name => Module.Metadata.GetString(This().Name); |
||||||
|
|
||||||
|
public override ManifestResourceAttributes Attributes => This().Attributes; |
||||||
|
public bool HasFlag(ManifestResourceAttributes flag) => (Attributes & flag) == flag; |
||||||
|
public override ResourceType ResourceType => GetResourceType(); |
||||||
|
|
||||||
|
ResourceType GetResourceType() |
||||||
|
{ |
||||||
|
if (This().Implementation.IsNil) |
||||||
|
return ResourceType.Embedded; |
||||||
|
if (This().Implementation.Kind == HandleKind.AssemblyReference) |
||||||
|
return ResourceType.AssemblyLinked; |
||||||
|
return ResourceType.Linked; |
||||||
|
} |
||||||
|
|
||||||
|
public override unsafe Stream? TryOpenStream() |
||||||
|
{ |
||||||
|
if (ResourceType != ResourceType.Embedded) |
||||||
|
return null; |
||||||
|
var headers = Module.Reader.PEHeaders; |
||||||
|
if (headers.CorHeader == null) |
||||||
|
return null; |
||||||
|
var resources = headers.CorHeader.ResourcesDirectory; |
||||||
|
if (resources.RelativeVirtualAddress == 0) |
||||||
|
return null; |
||||||
|
var sectionData = Module.Reader.GetSectionData(resources.RelativeVirtualAddress); |
||||||
|
if (sectionData.Length == 0) |
||||||
|
throw new BadImageFormatException("RVA could not be found in any section!"); |
||||||
|
var reader = sectionData.GetReader(); |
||||||
|
reader.Offset += (int)This().Offset; |
||||||
|
int length = reader.ReadInt32(); |
||||||
|
if (length < 0 || length > reader.RemainingBytes) |
||||||
|
throw new BadImageFormatException("Resource stream length invalid"); |
||||||
|
return new ResourceMemoryStream(Module.Reader, reader.CurrentPointer, length); |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
sealed unsafe class ResourceMemoryStream : UnmanagedMemoryStream |
||||||
|
{ |
||||||
|
#pragma warning disable IDE0052 // Remove unread private members
|
||||||
|
readonly PEReader peReader; |
||||||
|
#pragma warning restore IDE0052 // Remove unread private members
|
||||||
|
|
||||||
|
public ResourceMemoryStream(PEReader peReader, byte* data, long length) |
||||||
|
: base(data, length, length, FileAccess.Read) |
||||||
|
{ |
||||||
|
// Keep the PEReader alive while the stream in in use.
|
||||||
|
this.peReader = peReader; |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
Loading…
Reference in new issue