76 lines
2.6 KiB
C#
76 lines
2.6 KiB
C#
//
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// Copyright (C) 2010 Novell Inc. http://novell.com
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//
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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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//
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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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//
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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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//
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using System;
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using System.Collections.Generic;
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namespace System.Xaml
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{
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public class AttachableMemberIdentifier : IEquatable<AttachableMemberIdentifier>
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{
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public AttachableMemberIdentifier (Type declaringType, string memberName)
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{
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DeclaringType = declaringType;
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MemberName = memberName;
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}
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public Type DeclaringType { get; private set; }
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public string MemberName { get; private set; }
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public static bool operator == (AttachableMemberIdentifier left, AttachableMemberIdentifier right)
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{
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return IsNull (left) ? IsNull (right) : left.Equals (right);
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}
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static bool IsNull (AttachableMemberIdentifier a)
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{
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return Object.ReferenceEquals (a, null);
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}
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public static bool operator != (AttachableMemberIdentifier left, AttachableMemberIdentifier right)
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{
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return IsNull (left) ? !IsNull (right) : IsNull (right) || left.DeclaringType != right.DeclaringType || left.MemberName != right.MemberName;
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}
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public bool Equals (AttachableMemberIdentifier other)
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{
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return !IsNull (other) && DeclaringType == other.DeclaringType && MemberName == other.MemberName;
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}
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public override bool Equals (object obj)
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{
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var a = obj as AttachableMemberIdentifier;
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return Equals (a);
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}
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public override int GetHashCode ()
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{
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return (DeclaringType != null ? DeclaringType.GetHashCode () : 0) << 5 + (MemberName != null ? MemberName.GetHashCode () : 0);
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}
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public override string ToString ()
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{
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return DeclaringType != null ? String.Concat (DeclaringType.FullName, ".", MemberName) : MemberName;
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}
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}
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}
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