/// <summary>
/// Returns the list of all the attributes that need to be propagated to the client
/// </summary>
/// <param name="typeAttributes">List of attributes on the type</param>
/// <returns>List of attributes to be propagated to the client</returns>
private IEnumerable<Attribute> FilterTypeAttributes(AttributeCollection typeAttributes)
{
List<Attribute> filteredAttributes = new List<Attribute>();
// Ignore DefaultMemberAttribute if it has been put for an indexer
IEnumerable<Attribute> defaultMemberAttribs = typeAttributes.Cast<Attribute>().Where(a => a.GetType() == typeof(DefaultMemberAttribute));
if (defaultMemberAttribs.Any())
{
HashSet<string> properties = new HashSet<string>(TypeDescriptor.GetProperties(this.Type).Cast<PropertyDescriptor>().Select(p => p.Name), StringComparer.Ordinal);
foreach (DefaultMemberAttribute attrib in defaultMemberAttribs)
{
if (!properties.Contains(attrib.MemberName))
{
filteredAttributes.Add(attrib);
}
}
}
// Filter out attributes in filteredAttributes as well as DataContractAttribute and KnownTypeAttribute (since they are already handled)
return typeAttributes.Cast<Attribute>().Where(a => a.GetType() != typeof(DataContractAttribute) && a.GetType() != typeof(KnownTypeAttribute) &&
!(filteredAttributes.Contains(a)));
}
public static bool ContainsAttributeType <TAttribute>(this AttributeCollection attributes) where TAttribute : Attribute
{
return(attributes.Cast <Attribute>().Any(a => a.GetType() == typeof(TAttribute)));
}
