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159 lines
4.5 KiB
159 lines
4.5 KiB
// |
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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(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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