protected CustomAttribute BuildCustomAttribute(MethodReference ctor, CustomAttrib sig)
{
CustomAttribute cattr = new CustomAttribute(ctor);
foreach (CustomAttrib.FixedArg fa in sig.FixedArgs)
{
cattr.ConstructorParameters.Add(GetFixedArgValue(fa));
}
foreach (CustomAttrib.NamedArg na in sig.NamedArgs)
{
object value = GetFixedArgValue(na.FixedArg);
if (na.Field)
{
cattr.Fields [na.FieldOrPropName] = value;
cattr.SetFieldType(na.FieldOrPropName, GetFixedArgType(na.FixedArg));
}
else if (na.Property)
{
cattr.Properties [na.FieldOrPropName] = value;
cattr.SetPropertyType(na.FieldOrPropName, GetFixedArgType(na.FixedArg));
}
else
{
throw new ReflectionException("Non valid named arg");
}
}
return(cattr);
}
public CustomAttribute GetCustomAttribute(MethodReference ctor, byte [] data)
{
CustomAttrib sig = m_sigReader.GetCustomAttrib(data, ctor);
return(BuildCustomAttribute(ctor, sig));
}
void ReadCustomAttributes()
{
if (!m_tHeap.HasTable(CustomAttributeTable.RId))
{
return;
}
CustomAttributeTable caTable = m_tableReader.GetCustomAttributeTable();
for (int i = 0; i < caTable.Rows.Count; i++)
{
CustomAttributeRow caRow = caTable [i];
MethodReference ctor;
if (caRow.Type.RID == 0)
{
continue;
}
if (caRow.Type.TokenType == TokenType.Method)
{
ctor = GetMethodDefAt(caRow.Type.RID);
}
else
{
ctor = GetMemberRefAt(caRow.Type.RID, new GenericContext()) as MethodReference;
}
CustomAttrib ca = m_sigReader.GetCustomAttrib(caRow.Value, ctor);
CustomAttribute cattr = BuildCustomAttribute(ctor, m_root.Streams.BlobHeap.Read(caRow.Value), ca);
if (caRow.Parent.RID == 0)
{
continue;
}
ICustomAttributeProvider owner = null;
switch (caRow.Parent.TokenType)
{
case TokenType.Assembly:
owner = this.Module.Assembly;
break;
case TokenType.Module:
owner = this.Module;
break;
case TokenType.TypeDef:
owner = GetTypeDefAt(caRow.Parent.RID);
break;
case TokenType.TypeRef:
owner = GetTypeRefAt(caRow.Parent.RID);
break;
case TokenType.Field:
owner = GetFieldDefAt(caRow.Parent.RID);
break;
case TokenType.Method:
owner = GetMethodDefAt(caRow.Parent.RID);
break;
case TokenType.Property:
owner = GetPropertyDefAt(caRow.Parent.RID);
break;
case TokenType.Event:
owner = GetEventDefAt(caRow.Parent.RID);
break;
case TokenType.Param:
owner = GetParamDefAt(caRow.Parent.RID);
break;
case TokenType.GenericParam:
owner = GetGenericParameterAt(caRow.Parent.RID);
break;
default:
//TODO: support other ?
break;
}
if (owner != null)
{
owner.CustomAttributes.Add(cattr);
}
}
}
