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-rw-r--r--csharp/src/ProtocolBuffers/Collections/PopsicleList.cs208
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diff --git a/csharp/src/ProtocolBuffers/Collections/PopsicleList.cs b/csharp/src/ProtocolBuffers/Collections/PopsicleList.cs
deleted file mode 100644
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--- a/csharp/src/ProtocolBuffers/Collections/PopsicleList.cs
+++ /dev/null
@@ -1,208 +0,0 @@
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc. All rights reserved.
-// http://github.com/jskeet/dotnet-protobufs/
-// Original C++/Java/Python code:
-// http://code.google.com/p/protobuf/
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-using System;
-using System.Collections;
-using System.Collections.Generic;
-
-namespace Google.ProtocolBuffers.Collections
-{
- /// <summary>
- /// Proxies calls to a <see cref="List{T}" />, but allows the list
- /// to be made read-only (with the <see cref="MakeReadOnly" /> method),
- /// after which any modifying methods throw <see cref="NotSupportedException" />.
- /// </summary>
- public sealed class PopsicleList<T> : IPopsicleList<T>, ICastArray
- {
- private static readonly bool CheckForNull = default(T) == null;
- private static readonly T[] EmptySet = new T[0];
-
- private List<T> items;
- private bool readOnly;
-
- /// <summary>
- /// Makes this list read-only ("freezes the popsicle"). From this
- /// point on, mutating methods (Clear, Add etc) will throw a
- /// NotSupportedException. There is no way of "defrosting" the list afterwards.
- /// </summary>
- public void MakeReadOnly()
- {
- readOnly = true;
- }
-
- public int IndexOf(T item)
- {
- return items == null ? -1 : items.IndexOf(item);
- }
-
- public void Insert(int index, T item)
- {
- ValidateModification();
- if (CheckForNull)
- {
- ThrowHelper.ThrowIfNull(item);
- }
- items.Insert(index, item);
- }
-
- public void RemoveAt(int index)
- {
- ValidateModification();
- items.RemoveAt(index);
- }
-
- public T this[int index]
- {
- get
- {
- if (items == null)
- {
- throw new ArgumentOutOfRangeException();
- }
- return items[index];
- }
- set
- {
- ValidateModification();
- if (CheckForNull)
- {
- ThrowHelper.ThrowIfNull(value);
- }
- items[index] = value;
- }
- }
-
- public void Add(T item)
- {
- ValidateModification();
- if (CheckForNull)
- {
- ThrowHelper.ThrowIfNull(item);
- }
- items.Add(item);
- }
-
- public void Clear()
- {
- ValidateModification();
- items.Clear();
- }
-
- public bool Contains(T item)
- {
- return items == null ? false : items.Contains(item);
- }
-
- public void CopyTo(T[] array, int arrayIndex)
- {
- if (items != null)
- {
- items.CopyTo(array, arrayIndex);
- }
- }
-
- public int Count
- {
- get { return items == null ? 0 : items.Count; }
- }
-
- public bool IsReadOnly
- {
- get { return readOnly; }
- }
-
- public bool Remove(T item)
- {
- ValidateModification();
- return items.Remove(item);
- }
-
- public IEnumerator<T> GetEnumerator()
- {
- IEnumerable<T> tenum = (IEnumerable<T>)items ?? EmptySet;
- return tenum.GetEnumerator();
- }
-
- IEnumerator IEnumerable.GetEnumerator()
- {
- return GetEnumerator();
- }
-
- public void Add(IEnumerable<T> collection)
- {
- ValidateModification();
- ThrowHelper.ThrowIfNull(collection);
-
- if (!CheckForNull || collection is PopsicleList<T>)
- {
- items.AddRange(collection);
- }
- else
- {
- // Assumption, it's ok to enumerate collections more than once.
- if (collection is ICollection<T>)
- {
- ThrowHelper.ThrowIfAnyNull(collection);
- items.AddRange(collection);
- }
- else
- {
- foreach (T item in collection)
- {
- ThrowHelper.ThrowIfNull(item);
- items.Add(item);
- }
- }
- }
- }
-
- private void ValidateModification()
- {
- if (readOnly)
- {
- throw new NotSupportedException("List is read-only");
- }
- if (items == null)
- {
- items = new List<T>();
- }
- }
-
- IEnumerable<TItemType> ICastArray.CastArray<TItemType>()
- {
- if (items == null)
- {
- return PopsicleList<TItemType>.EmptySet;
- }
- return (TItemType[]) (object) items.ToArray();
- }
- }
-} \ No newline at end of file