574 lines
18 KiB
C#
574 lines
18 KiB
C#
/*
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Copyright (c) 2003-2006 Niels Kokholm and Peter Sestoft
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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using System;
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using System.Diagnostics;
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using SCG = System.Collections.Generic;
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namespace C5
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{
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#region char comparer and equality comparer
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class CharComparer : SCG.IComparer<char>
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{
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public int Compare(char item1, char item2) {
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return item1 > item2 ? 1 : item1 < item2 ? -1 : 0;
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}
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}
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/// <summary>
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/// An equality comparer for type char, also known as System.Char.
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/// </summary>
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public class CharEqualityComparer : SCG.IEqualityComparer<char>
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{
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static CharEqualityComparer cached = new CharEqualityComparer();
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CharEqualityComparer() { }
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/// <summary>
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///
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/// </summary>
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/// <value></value>
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public static CharEqualityComparer Default { get { return cached ?? (cached = new CharEqualityComparer()); } }
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/// <summary>
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/// Get the hash code of this char
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/// </summary>
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/// <param name="item">The char</param>
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/// <returns>The same</returns>
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public int GetHashCode(char item) { return item.GetHashCode(); }
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/// <summary>
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/// Check if two chars are equal
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/// </summary>
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/// <param name="item1">first char</param>
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/// <param name="item2">second char</param>
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/// <returns>True if equal</returns>
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public bool Equals(char item1, char item2) { return item1 == item2; }
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}
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#endregion
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#region sbyte comparer and equality comparer
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[Serializable]
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class SByteComparer : SCG.IComparer<sbyte>
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{
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[Tested]
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public int Compare(sbyte item1, sbyte item2) {
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return item1 > item2 ? 1 : item1 < item2 ? -1 : 0;
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}
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}
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/// <summary>
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/// An equality comparer for type sbyte, also known as System.SByte.
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/// <para>This class is a singleton and the instance can be accessed
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/// via the static <see cref="P:C5.SByteEqualityComparer.Default"/> property</para>
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/// </summary>
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[Serializable]
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public class SByteEqualityComparer : SCG.IEqualityComparer<sbyte>
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{
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static SByteEqualityComparer cached;
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SByteEqualityComparer() { }
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/// <summary>
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///
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/// </summary>
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/// <value></value>
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[Tested]
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public static SByteEqualityComparer Default { get { return cached ?? (cached = new SByteEqualityComparer()); } }
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/// <summary>
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/// Get the hash code of this sbyte, that is, itself
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/// </summary>
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/// <param name="item">The sbyte</param>
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/// <returns>The same</returns>
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[Tested]
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public int GetHashCode(sbyte item) { return item.GetHashCode(); }
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/// <summary>
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/// Determine whether two sbytes are equal
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/// </summary>
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/// <param name="item1">first sbyte</param>
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/// <param name="item2">second sbyte</param>
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/// <returns>True if equal</returns>
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[Tested]
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public bool Equals(sbyte item1, sbyte item2) { return item1 == item2; }
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}
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#endregion
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#region byte comparer and equality comparer
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class ByteComparer : SCG.IComparer<byte>
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{
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public int Compare(byte item1, byte item2) {
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return item1 > item2 ? 1 : item1 < item2 ? -1 : 0;
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}
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}
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/// <summary>
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/// An equality comparer for type byte, also known as System.Byte.
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/// <para>This class is a singleton and the instance can be accessed
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/// via the <see cref="P:C5.ByteEqualityComparer.Default"/> property</para>
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/// </summary>
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public class ByteEqualityComparer : SCG.IEqualityComparer<byte>
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{
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static ByteEqualityComparer cached = new ByteEqualityComparer();
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ByteEqualityComparer() { }
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/// <summary>
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///
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/// </summary>
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/// <value></value>
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public static ByteEqualityComparer Default { get { return cached ?? (cached = new ByteEqualityComparer()); } }
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/// <summary>
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/// Get the hash code of this byte, i.e. itself
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/// </summary>
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/// <param name="item">The byte</param>
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/// <returns>The same</returns>
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public int GetHashCode(byte item) { return item.GetHashCode(); }
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/// <summary>
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/// Check if two bytes are equal
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/// </summary>
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/// <param name="item1">first byte</param>
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/// <param name="item2">second byte</param>
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/// <returns>True if equal</returns>
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public bool Equals(byte item1, byte item2) { return item1 == item2; }
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}
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#endregion
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#region short comparer and equality comparer
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[Serializable]
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class ShortComparer : SCG.IComparer<short>
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{
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[Tested]
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public int Compare(short item1, short item2) {
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return item1 > item2 ? 1 : item1 < item2 ? -1 : 0;
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}
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}
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/// <summary>
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/// An equality comparer for type short, also known as System.Int16.
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/// <para>This class is a singleton and the instance can be accessed
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/// via the static <see cref="P:C5.ShortEqualityComparer.Default"/> property</para>
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/// </summary>
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[Serializable]
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public class ShortEqualityComparer : SCG.IEqualityComparer<short>
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{
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static ShortEqualityComparer cached;
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ShortEqualityComparer() { }
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/// <summary>
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///
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/// </summary>
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/// <value></value>
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[Tested]
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public static ShortEqualityComparer Default { get { return cached ?? (cached = new ShortEqualityComparer()); } }
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/// <summary>
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/// Get the hash code of this short, that is, itself
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/// </summary>
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/// <param name="item">The short</param>
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/// <returns>The same</returns>
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[Tested]
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public int GetHashCode(short item) { return item.GetHashCode(); }
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/// <summary>
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/// Determine whether two shorts are equal
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/// </summary>
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/// <param name="item1">first short</param>
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/// <param name="item2">second short</param>
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/// <returns>True if equal</returns>
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[Tested]
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public bool Equals(short item1, short item2) { return item1 == item2; }
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}
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#endregion
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#region ushort comparer and equality comparer
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[Serializable]
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class UShortComparer : SCG.IComparer<ushort>
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{
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[Tested]
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public int Compare(ushort item1, ushort item2)
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{
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return item1 > item2 ? 1 : item1 < item2 ? -1 : 0;
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}
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}
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/// <summary>
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/// An equality comparer for type ushort, also known as System.UInt16.
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/// <para>This class is a singleton and the instance can be accessed
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/// via the static <see cref="P:C5.UShortEqualityComparer.Default"/> property</para>
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/// </summary>
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[Serializable]
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public class UShortEqualityComparer : SCG.IEqualityComparer<ushort>
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{
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static UShortEqualityComparer cached;
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UShortEqualityComparer() { }
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/// <summary>
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///
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/// </summary>
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/// <value></value>
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[Tested]
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public static UShortEqualityComparer Default { get { return cached ?? (cached = new UShortEqualityComparer()); } }
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/// <summary>
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/// Get the hash code of this ushort, that is, itself
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/// </summary>
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/// <param name="item">The ushort</param>
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/// <returns>The same</returns>
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[Tested]
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public int GetHashCode(ushort item) { return item.GetHashCode(); }
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/// <summary>
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/// Determine whether two ushorts are equal
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/// </summary>
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/// <param name="item1">first ushort</param>
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/// <param name="item2">second ushort</param>
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/// <returns>True if equal</returns>
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[Tested]
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public bool Equals(ushort item1, ushort item2) { return item1 == item2; }
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}
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#endregion
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#region int comparer and equality comparer
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[Serializable]
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class IntComparer : SCG.IComparer<int>
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{
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[Tested]
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public int Compare(int item1, int item2) {
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return item1 > item2 ? 1 : item1 < item2 ? -1 : 0;
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}
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}
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/// <summary>
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/// An equality comparer for type int, also known as System.Int32.
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/// <para>This class is a singleton and the instance can be accessed
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/// via the static <see cref="P:C5.IntEqualityComparer.Default"/> property</para>
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/// </summary>
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[Serializable]
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public class IntEqualityComparer : SCG.IEqualityComparer<int>
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{
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static IntEqualityComparer cached;
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IntEqualityComparer() { }
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/// <summary>
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///
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/// </summary>
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/// <value></value>
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[Tested]
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public static IntEqualityComparer Default { get { return cached ?? (cached = new IntEqualityComparer()); } }
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/// <summary>
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/// Get the hash code of this integer, that is, itself
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/// </summary>
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/// <param name="item">The integer</param>
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/// <returns>The same</returns>
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[Tested]
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public int GetHashCode(int item) { return item; }
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/// <summary>
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/// Determine whether two integers are equal
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/// </summary>
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/// <param name="item1">first integer</param>
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/// <param name="item2">second integer</param>
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/// <returns>True if equal</returns>
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[Tested]
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public bool Equals(int item1, int item2) { return item1 == item2; }
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}
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#endregion
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#region uint comparer and equality comparer
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[Serializable]
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class UIntComparer : SCG.IComparer<uint>
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{
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[Tested]
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public int Compare(uint item1, uint item2)
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{
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return item1 > item2 ? 1 : item1 < item2 ? -1 : 0;
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}
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}
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/// <summary>
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/// An equality comparer for type uint, also known as System.UInt32.
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/// <para>This class is a singleton and the instance can be accessed
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/// via the static <see cref="P:C5.UIntEqualityComparer.Default"/> property</para>
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/// </summary>
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[Serializable]
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public class UIntEqualityComparer : SCG.IEqualityComparer<uint>
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{
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static UIntEqualityComparer cached;
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UIntEqualityComparer() { }
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/// <summary>
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///
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/// </summary>
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/// <value></value>
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[Tested]
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public static UIntEqualityComparer Default { get { return cached ?? (cached = new UIntEqualityComparer()); } }
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/// <summary>
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/// Get the hash code of this unsigned integer
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/// </summary>
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/// <param name="item">The integer</param>
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/// <returns>The same bit pattern as a signed integer</returns>
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[Tested]
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public int GetHashCode(uint item) { return item.GetHashCode(); }
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/// <summary>
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/// Determine whether two unsigned integers are equal
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/// </summary>
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/// <param name="item1">first unsigned integer</param>
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/// <param name="item2">second unsigned integer</param>
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/// <returns>True if equal</returns>
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[Tested]
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public bool Equals(uint item1, uint item2) { return item1 == item2; }
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}
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#endregion
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#region long comparer and equality comparer
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[Serializable]
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class LongComparer : SCG.IComparer<long>
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{
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[Tested]
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public int Compare(long item1, long item2)
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{
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return item1 > item2 ? 1 : item1 < item2 ? -1 : 0;
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}
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}
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/// <summary>
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/// An equality comparer for type long, also known as System.Int64.
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/// <para>This class is a singleton and the instance can be accessed
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/// via the static <see cref="P:C5.LongEqualityComparer.Default"/> property</para>
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/// </summary>
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[Serializable]
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public class LongEqualityComparer : SCG.IEqualityComparer<long>
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{
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static LongEqualityComparer cached;
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LongEqualityComparer() { }
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/// <summary>
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///
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/// </summary>
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/// <value></value>
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[Tested]
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public static LongEqualityComparer Default { get { return cached ?? (cached = new LongEqualityComparer()); } }
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/// <summary>
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/// Get the hash code of this long integer
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/// </summary>
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/// <param name="item">The long integer</param>
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/// <returns>The hash code</returns>
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[Tested]
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public int GetHashCode(long item) { return item.GetHashCode(); }
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/// <summary>
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/// Determine whether two long integers are equal
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/// </summary>
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/// <param name="item1">first long integer</param>
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/// <param name="item2">second long integer</param>
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/// <returns>True if equal</returns>
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[Tested]
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public bool Equals(long item1, long item2) { return item1 == item2; }
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}
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#endregion
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#region ulong comparer and equality comparer
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[Serializable]
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class ULongComparer : SCG.IComparer<ulong>
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{
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[Tested]
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public int Compare(ulong item1, ulong item2)
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{
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return item1 > item2 ? 1 : item1 < item2 ? -1 : 0;
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}
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}
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/// <summary>
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/// An equality comparer for type uint, also known as System.UInt64.
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/// <para>This class is a singleton and the instance can be accessed
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/// via the static <see cref="P:C5.ULongEqualityComparer.Default"/> property</para>
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/// </summary>
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[Serializable]
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public class ULongEqualityComparer : SCG.IEqualityComparer<ulong>
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{
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static ULongEqualityComparer cached;
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ULongEqualityComparer() { }
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/// <summary>
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///
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/// </summary>
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/// <value></value>
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[Tested]
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public static ULongEqualityComparer Default { get { return cached ?? (cached = new ULongEqualityComparer()); } }
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/// <summary>
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/// Get the hash code of this unsigned long integer
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/// </summary>
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/// <param name="item">The unsigned long integer</param>
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/// <returns>The hash code</returns>
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[Tested]
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public int GetHashCode(ulong item) { return item.GetHashCode(); }
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/// <summary>
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/// Determine whether two unsigned long integers are equal
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/// </summary>
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/// <param name="item1">first unsigned long integer</param>
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/// <param name="item2">second unsigned long integer</param>
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/// <returns>True if equal</returns>
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[Tested]
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public bool Equals(ulong item1, ulong item2) { return item1 == item2; }
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}
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#endregion
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#region float comparer and equality comparer
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class FloatComparer : SCG.IComparer<float>
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{
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public int Compare(float item1, float item2)
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{
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return item1 > item2 ? 1 : item1 < item2 ? -1 : 0;
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}
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}
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/// <summary>
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/// An equality comparer for type float, also known as System.Single.
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/// <para>This class is a singleton and the instance can be accessed
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/// via the static <see cref="P:C5.FloatEqualityComparer.Default"/> property</para>
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/// </summary>
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public class FloatEqualityComparer : SCG.IEqualityComparer<float>
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{
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static FloatEqualityComparer cached;
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FloatEqualityComparer() { }
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/// <summary>
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///
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/// </summary>
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/// <value></value>
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[Tested]
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public static FloatEqualityComparer Default { get { return cached ?? (cached = new FloatEqualityComparer()); } }
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/// <summary>
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/// Get the hash code of this float
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/// </summary>
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/// <param name="item">The float</param>
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/// <returns>The same</returns>
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[Tested]
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public int GetHashCode(float item) { return item.GetHashCode(); }
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/// <summary>
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/// Check if two floats are equal
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/// </summary>
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/// <param name="item1">first float</param>
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/// <param name="item2">second float</param>
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/// <returns>True if equal</returns>
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[Tested]
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public bool Equals(float item1, float item2) { return item1 == item2; }
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}
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#endregion
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#region double comparer and equality comparer
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class DoubleComparer : SCG.IComparer<double>
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{
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public int Compare(double item1, double item2) {
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return item1 > item2 ? 1 : item1 < item2 ? -1 : 0;
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}
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}
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/// <summary>
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/// An equality comparer for type double, also known as System.Double.
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/// <para>This class is a singleton and the instance can be accessed
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/// via the static <see cref="P:C5.DoubleEqualityComparer.Default"/> property</para>
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/// </summary>
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public class DoubleEqualityComparer : SCG.IEqualityComparer<double>
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{
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static DoubleEqualityComparer cached;
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DoubleEqualityComparer() { }
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/// <summary>
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///
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/// </summary>
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/// <value></value>
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[Tested]
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public static DoubleEqualityComparer Default { get { return cached ?? (cached = new DoubleEqualityComparer()); } }
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/// <summary>
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/// Get the hash code of this double
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/// </summary>
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/// <param name="item">The double</param>
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/// <returns>The same</returns>
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[Tested]
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public int GetHashCode(double item) { return item.GetHashCode(); }
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/// <summary>
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/// Check if two doubles are equal
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/// </summary>
|
|
/// <param name="item1">first double</param>
|
|
/// <param name="item2">second double</param>
|
|
/// <returns>True if equal</returns>
|
|
[Tested]
|
|
public bool Equals(double item1, double item2) { return item1 == item2; }
|
|
}
|
|
#endregion
|
|
|
|
#region decimal comparer and equality comparer
|
|
[Serializable]
|
|
class DecimalComparer : SCG.IComparer<decimal>
|
|
{
|
|
[Tested]
|
|
public int Compare(decimal item1, decimal item2)
|
|
{
|
|
return item1 > item2 ? 1 : item1 < item2 ? -1 : 0;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// An equality comparer for type decimal, also known as System.Decimal.
|
|
/// <para>This class is a singleton and the instance can be accessed
|
|
/// via the static <see cref="P:C5.DecimalEqualityComparer.Default"/> property</para>
|
|
/// </summary>
|
|
[Serializable]
|
|
public class DecimalEqualityComparer : SCG.IEqualityComparer<decimal>
|
|
{
|
|
static DecimalEqualityComparer cached;
|
|
DecimalEqualityComparer() { }
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <value></value>
|
|
[Tested]
|
|
public static DecimalEqualityComparer Default { get { return cached ?? (cached = new DecimalEqualityComparer()); } }
|
|
/// <summary>
|
|
/// Get the hash code of this decimal.
|
|
/// </summary>
|
|
/// <param name="item">The decimal</param>
|
|
/// <returns>The hash code</returns>
|
|
[Tested]
|
|
public int GetHashCode(decimal item) { return item.GetHashCode(); }
|
|
|
|
|
|
/// <summary>
|
|
/// Determine whether two decimals are equal
|
|
/// </summary>
|
|
/// <param name="item1">first decimal</param>
|
|
/// <param name="item2">second decimal</param>
|
|
/// <returns>True if equal</returns>
|
|
[Tested]
|
|
public bool Equals(decimal item1, decimal item2) { return item1 == item2; }
|
|
}
|
|
|
|
#endregion
|
|
} |