|
public static ReadFieldOrPropType ( MetadataHeader header, IBinaryStreamReader reader ) : |
||
| header | MetadataHeader | |
| reader | IBinaryStreamReader | |
| return | ||
public static CustomAttributeNamedArgument FromReader(MetadataImage image, IBinaryStreamReader reader)
{
var signature = new CustomAttributeNamedArgument
{
ArgumentMemberType =
(reader.CanRead(sizeof(byte))
? (CustomAttributeArgumentMemberType)reader.ReadByte()
: CustomAttributeArgumentMemberType.Field),
ArgumentType = TypeSignature.ReadFieldOrPropType(image, reader),
MemberName = reader.ReadSerString(),
};
signature.Argument = CustomAttributeArgument.FromReader(image, signature.ArgumentType, reader);
return(signature);
}
private static object ReadValue(MetadataImage image, TypeSignature typeSignature, IBinaryStreamReader reader)
{
switch (typeSignature.ElementType)
{
case ElementType.Boolean:
return(reader.ReadByte() == 1);
case ElementType.Char:
return((char)reader.ReadUInt16());
case ElementType.R4:
return(reader.ReadSingle());
case ElementType.R8:
return(reader.ReadDouble());
case ElementType.I1:
return(reader.ReadSByte());
case ElementType.I2:
return(reader.ReadInt16());
case ElementType.I4:
return(reader.ReadInt32());
case ElementType.I8:
return(reader.ReadInt64());
case ElementType.U1:
return(reader.ReadByte());
case ElementType.U2:
return(reader.ReadUInt16());
case ElementType.U4:
return(reader.ReadUInt32());
case ElementType.U8:
return(reader.ReadUInt64());
case ElementType.String:
return(reader.ReadSerString());
case ElementType.Object:
return(ReadValue(image, TypeSignature.ReadFieldOrPropType(image, reader), reader));
case ElementType.Class:
case ElementType.Enum:
case ElementType.ValueType:
var enumTypeDef = image.MetadataResolver.ResolveType(typeSignature);
if (enumTypeDef == null)
{
throw new MemberResolutionException(typeSignature);
}
if (enumTypeDef.IsEnum)
{
return(ReadValue(image, enumTypeDef.GetEnumUnderlyingType(), reader));
}
break;
}
if (typeSignature.IsTypeOf("System", "Type"))
{
return(TypeSignature.FromAssemblyQualifiedName(image, reader.ReadSerString()));
}
throw new NotSupportedException("Unsupported element type " + typeSignature.ElementType);
}