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Viewing changes to external/nrefactory/ICSharpCode.NRefactory.CSharp/Refactoring/CodeIssues/ParameterCanBeDemotedIssue/HasMemberCriterion.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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external/nrefactory/ICSharpCode.NRefactory.CSharp/Refactoring/CodeIssues/ParameterCanBeDemotedIssue/HasMemberCriterion.cs
 
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//
 
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// HasMemberCriterion.cs
 
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//
 
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// Author:
 
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//       Simon Lindgren <simon.n.lindgren@gmail.com>
 
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//
 
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// Copyright (c) 2012 Simon Lindgren
 
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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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using ICSharpCode.NRefactory.TypeSystem;
 
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using System.Linq;
 
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using System.Collections.Generic;
 
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namespace ICSharpCode.NRefactory.CSharp.Refactoring
 
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{
 
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        public class HasMemberCriterion : ITypeCriterion
 
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        {
 
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//              IMember neededMember;
 
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                IList<IMember> acceptableMembers;
 
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                public HasMemberCriterion(IMember neededMember)
 
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                {
 
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//                      this.neededMember = neededMember;
 
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                        if (neededMember.ImplementedInterfaceMembers.Any()) {
 
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                                acceptableMembers = neededMember.ImplementedInterfaceMembers.ToList();
 
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                        } else if (neededMember.IsOverride) {
 
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                                acceptableMembers = new List<IMember>();
 
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                                foreach (var member in InheritanceHelper.GetBaseMembers(neededMember, true)) {
 
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                                        acceptableMembers.Add(member);
 
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                                        if (member.IsShadowing)
 
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                                                break;
 
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                                }
 
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                                acceptableMembers.Add(neededMember);
 
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                        } else {
 
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                                acceptableMembers = new List<IMember> { neededMember };
 
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                        }
 
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                }
 
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                #region ITypeCriterion implementation
 
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                public bool SatisfiedBy (IType type)
 
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                {
 
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                        if (type == null)
 
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                                throw new ArgumentNullException("type");
 
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                        var typeMembers = type.GetMembers();
 
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                        return typeMembers.Any(member => HasCommonMemberDeclaration(acceptableMembers, member));
 
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                }
 
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                #endregion
 
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                static bool HasCommonMemberDeclaration(IEnumerable<IMember> acceptableMembers, IMember member)
 
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                {
 
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                        var implementedInterfaceMembers = member.MemberDefinition.ImplementedInterfaceMembers;
 
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                        if (implementedInterfaceMembers.Any()) {
 
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                                return ContainsAny(acceptableMembers, implementedInterfaceMembers);
 
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                        } else {
 
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                                return acceptableMembers.Contains(member/*.MemberDefinition*/);
 
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                        }
 
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                }
 
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                static bool ContainsAny<T>(IEnumerable<T> collection, IEnumerable<T> items)
 
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                {
 
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                        foreach (var item in items) {
 
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                                if (collection.Contains(item))
 
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                                        return true;
 
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                        }
 
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                        return false;
 
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                }
 
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        }
 
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}
 
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