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Diffstat (limited to 'third_party/protobuf/3.4.0/csharp/src/Google.Protobuf/Collections/ReadOnlyDictionary.cs')
-rw-r--r-- | third_party/protobuf/3.4.0/csharp/src/Google.Protobuf/Collections/ReadOnlyDictionary.cs | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/third_party/protobuf/3.4.0/csharp/src/Google.Protobuf/Collections/ReadOnlyDictionary.cs b/third_party/protobuf/3.4.0/csharp/src/Google.Protobuf/Collections/ReadOnlyDictionary.cs new file mode 100644 index 0000000000..28530a29a8 --- /dev/null +++ b/third_party/protobuf/3.4.0/csharp/src/Google.Protobuf/Collections/ReadOnlyDictionary.cs @@ -0,0 +1,147 @@ +#region Copyright notice and license +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. All rights reserved. +// https://developers.google.com/protocol-buffers/ +// +// 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. +#endregion + +using System; +using System.Collections; +using System.Collections.Generic; + +namespace Google.Protobuf.Collections +{ + /// <summary> + /// Read-only wrapper around another dictionary. + /// </summary> + internal sealed class ReadOnlyDictionary<TKey, TValue> : IDictionary<TKey, TValue> + { + private readonly IDictionary<TKey, TValue> wrapped; + + public ReadOnlyDictionary(IDictionary<TKey, TValue> wrapped) + { + this.wrapped = wrapped; + } + + public void Add(TKey key, TValue value) + { + throw new InvalidOperationException(); + } + + public bool ContainsKey(TKey key) + { + return wrapped.ContainsKey(key); + } + + public ICollection<TKey> Keys + { + get { return wrapped.Keys; } + } + + public bool Remove(TKey key) + { + throw new InvalidOperationException(); + } + + public bool TryGetValue(TKey key, out TValue value) + { + return wrapped.TryGetValue(key, out value); + } + + public ICollection<TValue> Values + { + get { return wrapped.Values; } + } + + public TValue this[TKey key] + { + get { return wrapped[key]; } + set { throw new InvalidOperationException(); } + } + + public void Add(KeyValuePair<TKey, TValue> item) + { + throw new InvalidOperationException(); + } + + public void Clear() + { + throw new InvalidOperationException(); + } + + public bool Contains(KeyValuePair<TKey, TValue> item) + { + return wrapped.Contains(item); + } + + public void CopyTo(KeyValuePair<TKey, TValue>[] array, int arrayIndex) + { + wrapped.CopyTo(array, arrayIndex); + } + + public int Count + { + get { return wrapped.Count; } + } + + public bool IsReadOnly + { + get { return true; } + } + + public bool Remove(KeyValuePair<TKey, TValue> item) + { + throw new InvalidOperationException(); + } + + public IEnumerator<KeyValuePair<TKey, TValue>> GetEnumerator() + { + return wrapped.GetEnumerator(); + } + + IEnumerator IEnumerable.GetEnumerator() + { + return ((IEnumerable) wrapped).GetEnumerator(); + } + + public override bool Equals(object obj) + { + return wrapped.Equals(obj); + } + + public override int GetHashCode() + { + return wrapped.GetHashCode(); + } + + public override string ToString() + { + return wrapped.ToString(); + } + } +}
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