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// ExtensionNodeList.cs
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// Copyright (C) 2007 Novell, Inc (http://www.novell.com)
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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using System.Collections;
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using System.Collections.Generic;
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/// A list of extension nodes.
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public class ExtensionNodeList: IEnumerable
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internal List<ExtensionNode> list;
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internal static ExtensionNodeList Empty = new ExtensionNodeList (new List<ExtensionNode> ());
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internal ExtensionNodeList (List<ExtensionNode> list)
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/// Returns the node in the specified index.
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public ExtensionNode this [int n] {
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throw new System.IndexOutOfRangeException ();
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return (ExtensionNode) list [n];
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/// Returns the node with the specified ID.
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public ExtensionNode this [string id] {
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for (int n = list.Count - 1; n >= 0; n--)
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if (((ExtensionNode) list [n]).Id == id)
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return (ExtensionNode) list [n];
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/// Gets an enumerator which enumerates all nodes in the list
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public IEnumerator GetEnumerator ()
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return ((IList)Type.EmptyTypes).GetEnumerator ();
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return list.GetEnumerator ();
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/// Number of nodes of the collection.
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get { return list == null ? 0 : list.Count; }
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/// Copies all nodes to an array
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/// <param name='array'>
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/// <param name='index'>
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/// Initial index where to copy to
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public void CopyTo (ExtensionNode[] array, int index)
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list.CopyTo (array, index);
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/// A list of extension nodes.
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public class ExtensionNodeList<T>: IEnumerable, IEnumerable<T> where T: ExtensionNode
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List<ExtensionNode> list;
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internal static ExtensionNodeList<T> Empty = new ExtensionNodeList<T> (new List<ExtensionNode> ());
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internal ExtensionNodeList (List<ExtensionNode> list)
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/// Returns the node in the specified index.
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public T this [int n] {
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throw new System.IndexOutOfRangeException ();
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/// Returns the node with the specified ID.
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/// <param name="id">
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public T this [string id] {
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for (int n = list.Count - 1; n >= 0; n--)
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if (list [n].Id == id)
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/// Gets an enumerator which enumerates all nodes in the list
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public IEnumerator<T> GetEnumerator ()
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foreach (ExtensionNode n in list)
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IEnumerator IEnumerable.GetEnumerator ()
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return ((IList)Type.EmptyTypes).GetEnumerator ();
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return list.GetEnumerator ();
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/// Number of nodes of the collection.
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get { return list == null ? 0 : list.Count; }
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/// Copies all nodes to an array
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/// <param name='array'>
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/// <param name='index'>
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/// Initial index where to copy to
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public void CopyTo (T[] array, int index)
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list.CopyTo (array, index);