//
// ICustomAttributeProvider.cs
//
// Author:
//   Jb Evain (jbevain@gmail.com)
//
// Copyright (c) 2008 - 2011 Jb Evain
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System;

using Mono.Collections.Generic;

namespace Mono.Cecil {

	public interface ICustomAttributeProvider : IMetadataTokenProvider {

		Collection<CustomAttribute> CustomAttributes { get; }

		bool HasCustomAttributes { get; }
	}

	static partial class Mixin {

		public static bool GetHasCustomAttributes (
			this ICustomAttributeProvider self,
			ModuleDefinition module)
		{
			return module.HasImage () && module.Read (self, (provider, reader) => reader.HasCustomAttributes (provider));
		}

		public static Collection<CustomAttribute> GetCustomAttributes (
			this ICustomAttributeProvider self,
			ModuleDefinition module)
		{
			return module.HasImage ()
				? module.Read (self, (provider, reader) => reader.ReadCustomAttributes (provider))
				: new Collection<CustomAttribute> ();
		}
	}
}
