static internal object[] GetCustomAttributes(CustomAttributeProvider attrProvider, Type attrType, bool inherit)
{
try
{
if (typeof(Attribute).IsAssignableFrom(attrType))
{
return(attrProvider.GetCustomAttributes(attrType, inherit));
}
else
{
List <object> attrTypeAttributes = new List <object>();
object[] allCustomAttributes = attrProvider.GetCustomAttributes(inherit);
foreach (object customAttribute in allCustomAttributes)
{
if (attrType.IsAssignableFrom(customAttribute.GetType()))
{
attrTypeAttributes.Add(customAttribute);
}
}
return(attrTypeAttributes.ToArray());
}
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
Type type = attrProvider.Type;
MethodInfo method = attrProvider.MethodInfo;
ParameterInfo param = attrProvider.ParameterInfo;
// there is no good way to know if this is a return type attribute
if (type != null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(
SR.Format(SR.SFxErrorReflectingOnType2, attrType.Name, type.Name), e));
}
else if (method != null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(
SR.Format(SR.SFxErrorReflectingOnMethod3,
attrType.Name, method.Name, method.DeclaringType.Name), e));
}
else if (param != null)
{
method = param.Member as MethodInfo;
if (method != null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(
SR.Format(SR.SFxErrorReflectingOnParameter4,
attrType.Name, param.Name, method.Name, method.DeclaringType.Name), e));
}
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(
SR.Format(SR.SFxErrorReflectionOnUnknown1, attrType.Name), e));
}
}
static internal T GetRequiredSingleAttribute <T>(CustomAttributeProvider attrProvider, Type[] attrTypeGroup)
where T : class
{
T result = GetSingleAttribute <T>(attrProvider, attrTypeGroup);
if (result == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.Format(SR.couldnTFindRequiredAttributeOfTypeOn2, typeof(T), attrProvider.ToString())));
}
return(result);
}
internal MessagePartDescription(MessagePartDescription other)
{
_name = other._name;
_ns = other._ns;
_index = other._index;
_type = other._type;
_serializationPosition = other._serializationPosition;
_hasProtectionLevel = other._hasProtectionLevel;
_protectionLevel = other._protectionLevel;
_memberInfo = other._memberInfo;
_multiple = other._multiple;
_additionalAttributesProvider = other._additionalAttributesProvider;
_baseType = other._baseType;
_uniquePartName = other._uniquePartName;
}
static internal T GetFirstAttribute <T>(CustomAttributeProvider attrProvider)
where T : class
{
Type attrType = typeof(T);
object[] attrs = GetCustomAttributes(attrProvider, attrType);
if (attrs.Length == 0)
{
return(null);
}
else
{
return(attrs[0] as T);
}
}
internal MessagePartDescription(MessagePartDescription other)
{
_name = other._name;
_ns = other._ns;
_index = other._index;
_type = other._type;
_serializationPosition = other._serializationPosition;
_hasProtectionLevel = other._hasProtectionLevel;
_protectionLevel = other._protectionLevel;
_memberInfo = other._memberInfo;
_multiple = other._multiple;
_additionalAttributesProvider = other._additionalAttributesProvider;
_baseType = other._baseType;
_uniquePartName = other._uniquePartName;
}
static internal T GetSingleAttribute <T>(CustomAttributeProvider attrProvider)
where T : class
{
Type attrType = typeof(T);
object[] attrs = GetCustomAttributes(attrProvider, attrType);
if (attrs == null || attrs.Length == 0)
{
return(null);
}
else if (attrs.Length > 1)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.Format(SR.tooManyAttributesOfTypeOn2, attrType, attrProvider.ToString())));
}
else
{
return(attrs[0] as T);
}
}
static internal T GetSingleAttribute <T>(CustomAttributeProvider attrProvider, Type[] attrTypeGroup)
where T : class
{
T result = GetSingleAttribute <T>(attrProvider);
if (result != null)
{
Type attrType = typeof(T);
foreach (Type otherType in attrTypeGroup)
{
if (otherType == attrType)
{
continue;
}
object[] attrs = GetCustomAttributes(attrProvider, otherType);
if (attrs != null && attrs.Length > 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.Format(SR.SFxDisallowedAttributeCombination, attrProvider, attrType.FullName, otherType.FullName)));
}
}
}
return(result);
}
static internal object[] GetCustomAttributes(CustomAttributeProvider attrProvider, Type attrType)
{
return(GetCustomAttributes(attrProvider, attrType, false));
}
