67 lines
2.0 KiB
C#
67 lines
2.0 KiB
C#
//
|
|
// WrapHelper.cs
|
|
//
|
|
// Author:
|
|
// Jérémie "Garuma" Laval <jeremie.laval@gmail.com>
|
|
//
|
|
// Copyright (c) 2010 Jérémie "Garuma" Laval
|
|
//
|
|
// 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.
|
|
|
|
#if NET_4_0
|
|
using System;
|
|
using System.Linq;
|
|
using System.Collections;
|
|
using System.Collections.Generic;
|
|
|
|
namespace System.Linq.Parallel.QueryNodes
|
|
{
|
|
internal static class WrapHelper
|
|
{
|
|
class EnumeratorWrapper<TEnum> : IEnumerable<TEnum>
|
|
{
|
|
IEnumerator<TEnum> enumerator;
|
|
|
|
public EnumeratorWrapper (IEnumerator<TEnum> enumerator)
|
|
{
|
|
this.enumerator = enumerator;
|
|
}
|
|
|
|
public IEnumerator<TEnum> GetEnumerator ()
|
|
{
|
|
return enumerator;
|
|
}
|
|
|
|
IEnumerator IEnumerable.GetEnumerator ()
|
|
{
|
|
return (IEnumerator)enumerator;
|
|
}
|
|
}
|
|
|
|
internal static IList<IEnumerable<TEnum>> Wrap<TEnum> (this IList<IEnumerator<TEnum>> src)
|
|
{
|
|
var list = new List<IEnumerable<TEnum>> (src.Count);
|
|
foreach (var iterator in src)
|
|
list.Add (new EnumeratorWrapper<TEnum> (iterator));
|
|
return list;
|
|
}
|
|
}
|
|
}
|
|
#endif
|