/// <summary>
/// Reads a marshal descriptor signature from the provided input stream.
/// </summary>
/// <param name="parentModule">The module that defines the marshal descriptor</param>
/// <param name="reader">The input stream.</param>
/// <returns>The marshal descriptor.</returns>
public static MarshalDescriptor FromReader(ModuleDefinition parentModule, ref BinaryStreamReader reader)
{
var nativeType = (NativeType)reader.ReadByte();
MarshalDescriptor descriptor = nativeType switch
{
NativeType.SafeArray => SafeArrayMarshalDescriptor.FromReader(parentModule, ref reader),
NativeType.FixedArray => FixedArrayMarshalDescriptor.FromReader(ref reader),
NativeType.LPArray => LPArrayMarshalDescriptor.FromReader(ref reader),
NativeType.CustomMarshaller => CustomMarshalDescriptor.FromReader(parentModule, ref reader),
NativeType.FixedSysString => FixedSysStringMarshalDescriptor.FromReader(ref reader),
NativeType.Interface => ComInterfaceMarshalDescriptor.FromReader(nativeType, ref reader),
NativeType.IDispatch => ComInterfaceMarshalDescriptor.FromReader(nativeType, ref reader),
NativeType.IUnknown => ComInterfaceMarshalDescriptor.FromReader(nativeType, ref reader),
_ => new SimpleMarshalDescriptor(nativeType)
};
descriptor.ExtraData = reader.ReadToEnd();
return(descriptor);
}
/// <summary>
/// Reads a single safe array marshal descriptor from the provided input stream.
/// </summary>
/// <param name="parentModule">The module defining the descriptor.</param>
/// <param name="reader">The input stream.</param>
/// <returns>The descriptor.</returns>
public new static SafeArrayMarshalDescriptor FromReader(ModuleDefinition parentModule, IBinaryStreamReader reader)
{
if (!reader.TryReadCompressedUInt32(out uint type))
{
return(new SafeArrayMarshalDescriptor(SafeArrayVariantType.NotSet));
}
var variantType = (SafeArrayVariantType)type & SafeArrayVariantType.TypeMask;
var flags = (SafeArrayTypeFlags)type & ~SafeArrayTypeFlags.Mask;
var result = new SafeArrayMarshalDescriptor(variantType, flags);
if (reader.CanRead(1))
{
string typeName = reader.ReadSerString();
if (typeName != null)
{
result.UserDefinedSubType = TypeNameParser.Parse(parentModule, typeName);
}
}
return(result);
}