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69 lines
2.7 KiB
69 lines
2.7 KiB
// |
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// RemoveBraces.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 System.Collections.Generic; |
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namespace ICSharpCode.NRefactory.CSharp.Refactoring |
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{ |
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[ContextAction("Remove braces", Description = "Removes redundant braces around a statement.")] |
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public class RemoveBracesAction : ICodeActionProvider |
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{ |
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public IEnumerable<CodeAction> GetActions(RefactoringContext context) |
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{ |
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var block = GetBlockStatement(context); |
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if (block == null) { |
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yield break; |
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} |
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yield return new CodeAction (context.TranslateString("Remove braces"), script => { |
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var start = script.GetCurrentOffset (block.LBraceToken.GetPrevNode ().EndLocation); |
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var end = script.GetCurrentOffset (block.LBraceToken.EndLocation); |
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if (end <= start) |
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return; |
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script.RemoveText (start, end - start); |
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script.Remove(block.LBraceToken); |
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script.Remove(block.RBraceToken); |
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script.FormatText(block.Parent); |
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}); |
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} |
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static BlockStatement GetBlockStatement(RefactoringContext context) |
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{ |
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var block = context.GetNode<BlockStatement>(); |
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if (block == null || block.LBraceToken.IsNull || block.RBraceToken.IsNull) |
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return null; |
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if (!(block.LBraceToken.IsInside(context.Location) || block.RBraceToken.IsInside(context.Location))) |
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return null; |
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if (!(block.Parent is Statement) || block.Parent is TryCatchStatement) |
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return null; |
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if (block.Statements.Count != 1 || block.Statements.First () is VariableDeclarationStatement) |
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return null; |
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return block; |
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} |
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} |
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}
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