diff options
Diffstat (limited to 'csharp/src/ProtocolBuffers/EnumLite.cs')
| -rw-r--r-- | csharp/src/ProtocolBuffers/EnumLite.cs | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/csharp/src/ProtocolBuffers/EnumLite.cs b/csharp/src/ProtocolBuffers/EnumLite.cs deleted file mode 100644 index 1301ec2a..00000000 --- a/csharp/src/ProtocolBuffers/EnumLite.cs +++ /dev/null @@ -1,234 +0,0 @@ -#region Copyright notice and license
-
-// 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.
-
-#endregion
-
-using System;
-using System.Collections.Generic;
-
-namespace Google.ProtocolBuffers
-{
- ///<summary>
- ///Interface for an enum value or value descriptor, to be used in FieldSet.
- ///The lite library stores enum values directly in FieldSets but the full
- ///library stores EnumValueDescriptors in order to better support reflection.
- ///</summary>
- public interface IEnumLite
- {
- int Number { get; }
- string Name { get; }
- }
-
- ///<summary>
- ///Interface for an object which maps integers to {@link EnumLite}s.
- ///{@link Descriptors.EnumDescriptor} implements this interface by mapping
- ///numbers to {@link Descriptors.EnumValueDescriptor}s. Additionally,
- ///every generated enum type has a static method internalGetValueMap() which
- ///returns an implementation of this type that maps numbers to enum values.
- ///</summary>
- public interface IEnumLiteMap<T> : IEnumLiteMap
- where T : IEnumLite
- {
- new T FindValueByNumber(int number);
- }
-
- public interface IEnumLiteMap
- {
- bool IsValidValue(IEnumLite value);
- IEnumLite FindValueByNumber(int number);
- IEnumLite FindValueByName(string name);
- }
-
- public class EnumLiteMap<TEnum> : IEnumLiteMap<IEnumLite>
- where TEnum : struct, IComparable, IFormattable
- {
- private struct EnumValue : IEnumLite
- {
- private readonly TEnum value;
-
- public EnumValue(TEnum value)
- {
- this.value = value;
- }
-
- int IEnumLite.Number
- {
- get { return Convert.ToInt32(value); }
- }
-
- string IEnumLite.Name
- {
- get { return value.ToString(); }
- }
- }
-
- public IEnumLite FindValueByNumber(int number)
- {
- TEnum val = default(TEnum);
- if (EnumParser<TEnum>.TryConvert(number, ref val))
- {
- return new EnumValue(val);
- }
- return null;
- }
-
- public IEnumLite FindValueByName(string name)
- {
- TEnum val = default(TEnum);
- if (EnumParser<TEnum>.TryConvert(name, ref val))
- {
- return new EnumValue(val);
- }
- return null;
- }
-
- public bool IsValidValue(IEnumLite value)
- {
- TEnum val = default(TEnum);
- return EnumParser<TEnum>.TryConvert(value.Number, ref val);
- }
- }
-
- public static class EnumParser<T> where T : struct, IComparable, IFormattable
- {
- private static readonly Dictionary<int, T> _byNumber;
- private static Dictionary<string, T> _byName;
-
- static EnumParser()
- {
- int[] array;
- try
- {
-#if CLIENTPROFILE
- // It will actually be a T[], but the CLR will let us convert.
- array = (int[])Enum.GetValues(typeof(T));
-#else
- var temp = new List<T>();
- foreach (var fld in typeof (T).GetFields(System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.Static))
- {
- if (fld.IsLiteral && fld.FieldType == typeof(T))
- {
- temp.Add((T)fld.GetValue(null));
- }
- }
- array = (int[])(object)temp.ToArray();
-#endif
- }
- catch
- {
- _byNumber = null;
- return;
- }
-
- _byNumber = new Dictionary<int, T>(array.Length);
- foreach (int i in array)
- {
- _byNumber[i] = (T)(object)i;
- }
- }
-
- public static bool TryConvert(object input, ref T value)
- {
- if (input is int || input is T)
- {
- return TryConvert((int)input, ref value);
- }
- if (input is string)
- {
- return TryConvert((string)input, ref value);
- }
- return false;
- }
-
- /// <summary>
- /// Tries to convert an integer to its enum representation. This would take an out parameter,
- /// but the caller uses ref, so this approach is simpler.
- /// </summary>
- public static bool TryConvert(int number, ref T value)
- {
- // null indicates an exception at construction, use native IsDefined.
- if (_byNumber == null)
- {
- return Enum.IsDefined(typeof(T), number);
- }
- T converted;
- if (_byNumber != null && _byNumber.TryGetValue(number, out converted))
- {
- value = converted;
- return true;
- }
-
- return false;
- }
-
- /// <summary>
- /// Tries to convert a string to its enum representation. This would take an out parameter,
- /// but the caller uses ref, so this approach is simpler.
- /// </summary>
- public static bool TryConvert(string name, ref T value)
- {
- // null indicates an exception at construction, use native IsDefined/Parse.
- if (_byNumber == null)
- {
- if (Enum.IsDefined(typeof(T), name))
- {
- value = (T)Enum.Parse(typeof(T), name, false);
- return true;
- }
- return false;
- }
-
- // known race, possible multiple threads each build their own copy; however, last writer will win
- var map = _byName;
- if (map == null)
- {
- map = new Dictionary<string, T>(StringComparer.Ordinal);
- foreach (var possible in _byNumber.Values)
- {
- map[possible.ToString()] = possible;
- }
- _byName = map;
- }
-
- T converted;
- if (map.TryGetValue(name, out converted))
- {
- value = converted;
- return true;
- }
-
- return false;
- }
- }
-}
\ No newline at end of file |