public CustomAttributeSignature(CustomAttributeArgument[] fixedArgs, CustomAttributeArgument[] namedArgs)
{
FixedArguments = fixedArgs;
NamedArguments = namedArgs;
}
public CustomAttributeSignature ReadCustomAttributeSignature(CustomAttribute parent, uint signature)
{
CustomAttributeSignature customAttrSig = null;
using (BinaryReader reader = GetBlobReader(signature))
{
ushort sign = reader.ReadUInt16();
if (sign != 0x0001)
throw new ArgumentException("Signature doesn't refer to a valid Custom Attribute signature");
int fixedArgCount = 0;
if (parent.Constructor.Signature != null && parent.Constructor.Signature.Parameters != null)
fixedArgCount = parent.Constructor.Signature.Parameters.Length;
CustomAttributeArgument[] fixedArgs = new CustomAttributeArgument[fixedArgCount];
for (int i = 0; i < fixedArgCount; i++)
{
fixedArgs[i] = new CustomAttributeArgument(ReadArgumentValue(reader,parent.Constructor.Signature.Parameters[i].ParameterType));
}
int namedArgCount = 0;
CustomAttributeArgument[] namedArgs = new CustomAttributeArgument[namedArgCount];
customAttrSig = new CustomAttributeSignature(fixedArgs, namedArgs);
}
return customAttrSig;
}
public CustomAttributeSignature ReadCustomAttributeSignature(CustomAttribute parent, uint signature)
{
CustomAttributeSignature customAttrSig = null;
BlobSignatureReader reader;
if (TryGetBlobReader(signature, out reader))
{
using (reader)
{
ushort sign = reader.ReadUInt16();
if (sign != 0x0001)
throw new ArgumentException("Signature doesn't refer to a valid Custom Attribute signature");
int fixedArgCount = 0;
if (parent.Constructor.Signature != null && parent.Constructor.Signature.Parameters != null)
fixedArgCount = parent.Constructor.Signature.Parameters.Length;
CustomAttributeArgument[] fixedArgs = new CustomAttributeArgument[fixedArgCount];
bool canReadNamedArgs = true; // temporary solution for skipping named args when fixed args failed.
for (int i = 0; i < fixedArgCount; i++)
{
fixedArgs[i] = new CustomAttributeArgument(reader.ReadCustomAttributeArgumentValue(parent.Constructor.Signature.Parameters[i].ParameterType));
if (fixedArgs[i].Value == null)
canReadNamedArgs = false;
}
CustomAttributeArgument[] namedArgs = null;
if (!reader.EndOfStream && canReadNamedArgs)
{
int namedArgCount = reader.ReadUInt16();
namedArgs = new CustomAttributeArgument[namedArgCount];
for (int i = 0; i < namedArgCount; i++)
{
byte argSignature = reader.ReadByte();
TypeReference argType = reader.ReadCustomAttributeFieldOrPropType();
string name = reader.ReadUtf8String();
namedArgs[i] = new CustomAttributeArgument(reader.ReadCustomAttributeArgumentValue(argType), name, argSignature == 0x53 ? CustomAttributeArgumentType.NamedField : CustomAttributeArgumentType.NamedProperty);
}
}
customAttrSig = new CustomAttributeSignature(fixedArgs, namedArgs);
}
}
return customAttrSig;
}
