|
static private GetCustomAttributesBase ( ICustomAttributeProvider obj, |
||
| obj | ICustomAttributeProvider | |
| attributeType | ||
| return | object[] | |
internal static object[] GetCustomAttributes(ICustomAttributeProvider obj, bool inherit)
{
if (obj == null)
{
throw new ArgumentNullException("obj");
}
if (!inherit)
{
return((object[])MonoCustomAttrs.GetCustomAttributesBase(obj, null).Clone());
}
return(MonoCustomAttrs.GetCustomAttributes(obj, typeof(MonoCustomAttrs), inherit));
}
internal static object[] GetCustomAttributes(ICustomAttributeProvider obj, Type attributeType, bool inherit)
{
if (obj == null)
{
throw new ArgumentNullException("obj");
}
if (attributeType == null)
{
throw new ArgumentNullException("attributeType");
}
if (attributeType == typeof(MonoCustomAttrs))
{
attributeType = null;
}
object[] customAttributesBase = MonoCustomAttrs.GetCustomAttributesBase(obj, attributeType);
if (!inherit && customAttributesBase.Length == 1)
{
object[] array;
if (attributeType != null)
{
if (attributeType.IsAssignableFrom(customAttributesBase[0].GetType()))
{
array = (object[])Array.CreateInstance(attributeType, 1);
array[0] = customAttributesBase[0];
}
else
{
array = (object[])Array.CreateInstance(attributeType, 0);
}
}
else
{
array = (object[])Array.CreateInstance(customAttributesBase[0].GetType(), 1);
array[0] = customAttributesBase[0];
}
return(array);
}
if (attributeType != null && attributeType.IsSealed && inherit)
{
AttributeUsageAttribute attributeUsageAttribute = MonoCustomAttrs.RetrieveAttributeUsage(attributeType);
if (!attributeUsageAttribute.Inherited)
{
inherit = false;
}
}
int capacity = (customAttributesBase.Length >= 16) ? 16 : customAttributesBase.Length;
Hashtable hashtable = new Hashtable(capacity);
ArrayList arrayList = new ArrayList(capacity);
ICustomAttributeProvider customAttributeProvider = obj;
int num = 0;
do
{
foreach (object obj2 in customAttributesBase)
{
Type type = obj2.GetType();
if (attributeType == null || attributeType.IsAssignableFrom(type))
{
MonoCustomAttrs.AttributeInfo attributeInfo = (MonoCustomAttrs.AttributeInfo)hashtable[type];
AttributeUsageAttribute attributeUsageAttribute2;
if (attributeInfo != null)
{
attributeUsageAttribute2 = attributeInfo.Usage;
}
else
{
attributeUsageAttribute2 = MonoCustomAttrs.RetrieveAttributeUsage(type);
}
if ((num == 0 || attributeUsageAttribute2.Inherited) && (attributeUsageAttribute2.AllowMultiple || attributeInfo == null || (attributeInfo != null && attributeInfo.InheritanceLevel == num)))
{
arrayList.Add(obj2);
}
if (attributeInfo == null)
{
hashtable.Add(type, new MonoCustomAttrs.AttributeInfo(attributeUsageAttribute2, num));
}
}
}
if ((customAttributeProvider = MonoCustomAttrs.GetBase(customAttributeProvider)) != null)
{
num++;
customAttributesBase = MonoCustomAttrs.GetCustomAttributesBase(customAttributeProvider, attributeType);
}
}while (inherit && customAttributeProvider != null);
object[] array3;
if (attributeType == null || attributeType.IsValueType)
{
array3 = (object[])Array.CreateInstance(typeof(Attribute), arrayList.Count);
}
else
{
array3 = (Array.CreateInstance(attributeType, arrayList.Count) as object[]);
}
arrayList.CopyTo(array3, 0);
return(array3);
}