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Viewing changes to external/nrefactory/ICSharpCode.NRefactory.CSharp/Refactoring/RefactoringContext.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/RefactoringContext.cs
 
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// 
 
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// RefactoringContext.cs
 
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//
 
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// Author:
 
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//       Mike Krüger <mkrueger@novell.com>
 
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// 
 
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// Copyright (c) 2011 Mike Krüger <mkrueger@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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using System.Linq;
 
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using System.Threading;
 
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using ICSharpCode.NRefactory.CSharp.Resolver;
 
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using ICSharpCode.NRefactory.CSharp.TypeSystem;
 
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using ICSharpCode.NRefactory.Semantics;
 
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using ICSharpCode.NRefactory.TypeSystem;
 
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using ICSharpCode.NRefactory.TypeSystem.Implementation;
 
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using ICSharpCode.NRefactory.Editor;
 
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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 abstract class RefactoringContext : BaseRefactoringContext
 
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        {
 
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                public RefactoringContext(CSharpAstResolver resolver, CancellationToken cancellationToken) : base  (resolver, cancellationToken)
 
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                {
 
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                }
 
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                public abstract TextLocation Location { get; }
 
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                public TypeSystemAstBuilder CreateTypeSytemAstBuilder()
 
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                {
 
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                        var csResolver = Resolver.GetResolverStateBefore(GetNode());
 
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                        return new TypeSystemAstBuilder(csResolver);
 
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                }
 
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                public virtual AstType CreateShortType (IType fullType)
 
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                {
 
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                        var builder = CreateTypeSytemAstBuilder();
 
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                        return builder.ConvertType(fullType);
 
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                }
 
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                public virtual AstType CreateShortType(string ns, string name, int typeParameterCount = 0)
 
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                {
 
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                        var builder = CreateTypeSytemAstBuilder();
 
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                        return builder.ConvertType(new TopLevelTypeName(ns, name, typeParameterCount));
 
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                }
 
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                public virtual IEnumerable<AstNode> GetSelectedNodes()
 
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                {
 
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                        if (!IsSomethingSelected) {
 
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                                return Enumerable.Empty<AstNode> ();
 
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                        }
 
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                        return RootNode.GetNodesBetween(SelectionStart, SelectionEnd);
 
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                }
 
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                public AstNode GetNode ()
 
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                {
 
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                        return RootNode.GetNodeAt (Location);
 
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                }
 
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                public AstNode GetNode (Predicate<AstNode> pred)
 
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                {
 
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                        return RootNode.GetNodeAt (Location, pred);
 
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                }
 
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                public T GetNode<T> () where T : AstNode
 
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                {
 
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                        return RootNode.GetNodeAt<T> (Location);
 
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                }
 
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                #region Text stuff
 
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                public virtual TextEditorOptions TextEditorOptions {
 
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                        get {
 
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                                return TextEditorOptions.Default;
 
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                        }
 
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                }
 
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                public virtual bool IsSomethingSelected {
 
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                        get {
 
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                                return SelectionStart != TextLocation.Empty;
 
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                        }
 
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                }
 
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                public virtual string SelectedText {
 
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                        get { return string.Empty; }
 
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                }
 
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                public virtual TextLocation SelectionStart {
 
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                        get {
 
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                                return TextLocation.Empty;
 
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                        }
 
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                }
 
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                public virtual TextLocation SelectionEnd {
 
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                        get {
 
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                                return TextLocation.Empty;
 
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                        }
 
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                }
 
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                public abstract int GetOffset (TextLocation location);
 
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                public abstract IDocumentLine GetLineByOffset (int offset);
 
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                public int GetOffset (int line, int col)
 
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                {
 
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                        return GetOffset (new TextLocation (line, col));
 
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                }
 
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                public abstract TextLocation GetLocation (int offset);
 
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                public abstract string GetText (int offset, int length);
 
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                public abstract string GetText (ISegment segment);
 
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                #endregion
 
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                #region Naming
 
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                public virtual string GetNameProposal (string name, bool camelCase = true)
 
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                {
 
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                        string baseName = (camelCase ? char.ToLower (name [0]) : char.ToUpper (name [0])) + name.Substring (1);
 
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                        var type = GetNode<TypeDeclaration> ();
 
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                        if (type == null)
 
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                                return baseName;
 
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                        int number = -1;
 
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                        string proposedName;
 
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                        do {
 
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                                proposedName = AppendNumberToName (baseName, number++);
 
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                        } while (type.Members.Select (m => m.GetChildByRole (Roles.Identifier)).Any (n => n.Name == proposedName));
 
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                        return proposedName;
 
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                }
 
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                static string AppendNumberToName (string baseName, int number)
 
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                {
 
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                        return baseName + (number > 0 ? (number + 1).ToString () : "");
 
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                }
 
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                #endregion
 
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        }
 
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}
 
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