private unsafe InternalManifestResourceInfo GetInternalManifestResourceInfo(string resourceName)
{
InternalManifestResourceInfo result = new InternalManifestResourceInfo();
ManifestResourceHandleCollection manifestResources = MetadataReader.ManifestResources;
foreach (var resourceHandle in manifestResources)
{
ManifestResource resource = MetadataReader.GetManifestResource(resourceHandle);
if (MetadataReader.StringComparer.Equals(resource.Name, resourceName))
{
result.Found = true;
if (resource.Implementation.IsNil)
{
checked
{
// Embedded data resource
result.ResourceLocation = ResourceLocation.Embedded | ResourceLocation.ContainedInManifestFile;
PEReader pe = PEReader;
PEMemoryBlock resourceDirectory = pe.GetSectionData(pe.PEHeaders.CorHeader.ResourcesDirectory.RelativeVirtualAddress);
BlobReader reader = resourceDirectory.GetReader((int)resource.Offset, resourceDirectory.Length - (int)resource.Offset);
uint length = reader.ReadUInt32();
result.PointerToResource = reader.CurrentPointer;
// Length check the size of the resource to ensure it fits in the PE file section, note, this is only safe as its in a checked region
if (length + sizeof(Int32) > reader.Length)
{
throw new BadImageFormatException();
}
result.SizeOfResource = length;
}
}
else
{
if (resource.Implementation.Kind == HandleKind.AssemblyFile)
{
// Get file name
result.ResourceLocation = default(ResourceLocation);
AssemblyFile file = MetadataReader.GetAssemblyFile((AssemblyFileHandle)resource.Implementation);
if (file.ContainsMetadata)
{
result.ResourceLocation = ResourceLocation.Embedded;
throw new PlatformNotSupportedException(); // Support for multi-module assemblies is not implemented on this platform
}
result.FileName = MetadataReader.GetString(file.Name);
}
else if (resource.Implementation.Kind == HandleKind.AssemblyReference)
{
// Resolve assembly reference
result.ResourceLocation = ResourceLocation.ContainedInAnotherAssembly;
RuntimeAssemblyName destinationAssemblyName = ((AssemblyReferenceHandle)resource.Implementation).ToRuntimeAssemblyName(MetadataReader);
result.ReferencedAssembly = RuntimeAssembly.GetRuntimeAssemblyIfExists(destinationAssemblyName);
}
}
}
}
return(result);
}
public sealed override String[] GetManifestResourceNames()
{
ManifestResourceHandleCollection manifestResources = MetadataReader.ManifestResources;
string[] resourceNames = new string[manifestResources.Count];
int iResource = 0;
foreach (var resourceHandle in manifestResources)
{
ManifestResource resource = MetadataReader.GetManifestResource(resourceHandle);
resourceNames[iResource] = MetadataReader.GetString(resource.Name);
iResource++;
}
return(resourceNames);
}
internal unsafe InternalManifestResourceInfo GetInternalManifestResourceInfo(string resourceName)
{
MetadataReader reader = Reader;
InternalManifestResourceInfo result = default;
ManifestResourceHandleCollection manifestResources = reader.ManifestResources;
foreach (ManifestResourceHandle resourceHandle in manifestResources)
{
ManifestResource resource = resourceHandle.GetManifestResource(reader);
if (resource.Name.Equals(resourceName, reader))
{
result.Found = true;
if (resource.Implementation.IsNil)
{
checked
{
// Embedded data resource
result.ResourceLocation = ResourceLocation.Embedded | ResourceLocation.ContainedInManifestFile;
PEReader pe = _guardedPEReader.PEReader;
PEMemoryBlock resourceDirectory = pe.GetSectionData(pe.PEHeaders.CorHeader.ResourcesDirectory.RelativeVirtualAddress);
BlobReader blobReader = resourceDirectory.GetReader((int)resource.Offset, resourceDirectory.Length - (int)resource.Offset);
uint length = blobReader.ReadUInt32();
result.PointerToResource = blobReader.CurrentPointer;
// Length check the size of the resource to ensure it fits in the PE file section, note, this is only safe as its in a checked region
if (length + sizeof(int) > blobReader.Length)
{
throw new BadImageFormatException();
}
result.SizeOfResource = length;
}
}
else
{
if (resource.Implementation.Kind == HandleKind.AssemblyFile)
{
// Get file name
result.ResourceLocation = default;
AssemblyFile file = ((AssemblyFileHandle)resource.Implementation).GetAssemblyFile(reader);
result.FileName = file.Name.GetString(reader);
if (file.ContainsMetadata)
{
EcmaModule module = (EcmaModule)Assembly.GetModule(result.FileName);
if (module == null)
{
throw new BadImageFormatException(SR.Format(SR.ManifestResourceInfoReferencedBadModule, result.FileName));
}
result = module.GetInternalManifestResourceInfo(resourceName);
}
}
else if (resource.Implementation.Kind == HandleKind.AssemblyReference)
{
// Resolve assembly reference
result.ResourceLocation = ResourceLocation.ContainedInAnotherAssembly;
RoAssemblyName destinationAssemblyName = ((AssemblyReferenceHandle)resource.Implementation).ToRoAssemblyName(reader);
result.ReferencedAssembly = Loader.ResolveAssembly(destinationAssemblyName);
}
}
}
}
return(result);
}
