static internal Object[] GetCustomAttributes(MemberInfo member, Type caType, bool inherit)
{
if (member == null)
{
throw new ArgumentNullException("member");
}
CustomAttribute caItem = GetCustomAttributeList(member, caType, null, 0);
// if we are asked to go up the hierarchy chain we have to do it now and regardless of the
// attribute usage for the specific attribute because a derived attribute may ovveride the usage...
// ... however if the attribute is sealed we can rely on the attribute usage
if (caType != null && caType.IsSealed && inherit)
{
AttributeUsageAttribute usage = CustomAttribute.GetAttributeUsage(caType);
if (!usage.Inherited)
{
inherit = false; // kill the inheritance request, the attribute does not allow for it
}
}
if (inherit)
{
// walk up the inheritance chain and keep accumulating attributes
int level = 1;
switch (member.MemberType)
{
case MemberTypes.Method:
{
RuntimeMethodInfo baseMethod = ((MethodInfo)member).GetParentDefinition() as RuntimeMethodInfo;
while (baseMethod != null)
{
caItem = GetCustomAttributeList(baseMethod, caType, caItem, level++);
baseMethod = baseMethod.GetParentDefinition() as RuntimeMethodInfo;
}
break;
}
case MemberTypes.TypeInfo:
case MemberTypes.NestedType:
{
RuntimeType baseType = ((Type)member).BaseType as RuntimeType;
while (baseType != null)
{
caItem = GetCustomAttributeList((MemberInfo)baseType, caType, caItem, level++);
baseType = ((Type)baseType).BaseType as RuntimeType;
}
break;
}
}
}
return(CustomAttribute.CheckConsistencyAndCreateArray(caItem, caType));
}
static internal Object[] GetCAReturnValue(RuntimeMethodInfo method, Type caType, bool inherit)
{
int token = CustomAttribute.GetMethodRetValueToken(method);
if (token != 0)
{
IntPtr module = CustomAttribute.GetMemberModule(method, MemberTypes.Method);
CustomAttribute caItem = CustomAttribute.GetCustomAttributeListCheckType(token, module, caType, null, 0);
return(CustomAttribute.CheckConsistencyAndCreateArray(caItem, caType));
}
return((caType == null || caType.IsValueType) ? s_gObjectEmptyArray : (Object[])Array.CreateInstance(caType, 0));
}
static internal Object[] GetCustomAttributes(ParameterInfo param, Type caType, bool inherit)
{
if (param == null)
{
throw new ArgumentNullException("param");
}
int token = param.GetToken();
IntPtr module = param.GetModule();
CustomAttribute caItem = CustomAttribute.GetCustomAttributeListCheckType(token, module, caType, null, 0);
return(CustomAttribute.CheckConsistencyAndCreateArray(caItem, caType));
}
static internal Object[] GetCustomAttributes(Module module, Type caType)
{
if (module == null)
{
throw new ArgumentNullException("module");
}
int token = CustomAttribute.GetModuleToken(module);
if (token != 0)
{
IntPtr mod = CustomAttribute.GetModuleModule(module);
CustomAttribute caItem = CustomAttribute.GetCustomAttributeListCheckType(token, mod, caType, null, 0);
return(CustomAttribute.CheckConsistencyAndCreateArray(caItem, caType));
}
return((caType == null || caType.IsValueType) ? s_gObjectEmptyArray : (Object[])Array.CreateInstance(caType, 0));
}