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Viewing changes to src/addins/MonoDevelop.MacDev/MonoDevelop.MacDev.InterfaceBuilder/IBReference.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

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src/addins/MonoDevelop.MacDev/MonoDevelop.MacDev.InterfaceBuilder/IBReference.cs
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// 
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// XibReference.cs
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//  
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// Author:
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//       Michael Hutchinson <mhutchinson@novell.com>
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// 
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// Copyright (c) 2009 Novell, Inc. (http://www.novell.com)
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// 
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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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// 
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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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// 
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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
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// THE SOFTWARE.
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using System;
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namespace MonoDevelop.MacDev.InterfaceBuilder
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{
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        public class IBReference
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        {
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                public int Id { get; private set; }
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                public IBReference (int refId)
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                {
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                        this.Id = refId;
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                }
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                public object Reference {
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                        get; internal set;
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                }
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        }
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        public interface IReferenceResolver
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        {
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                void Add (IBObject resolveable);
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                void Add (IBReference reference);
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                void Add (int id, object primitive);
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                object Resolve (int id);
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        }
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        public sealed class Unref<T> where T : class
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        {
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                object unresolved;
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                T resolved;
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                public T Value {
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                        get {
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                                return resolved ?? (resolved = (T) ResolveIfReference (unresolved));
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                        }
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                }
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                public Unref (object unresolved)
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                {
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                        this.unresolved = unresolved;
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                }
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                static object ResolveIfReference (object o)
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                {
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                        var r = o as IBReference;
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                        if (r != null)
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                                return ResolveIfReference (r.Reference);
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                        else
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                                return o;
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                }
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        }
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}