text: ﻿// 
  // SplitString.cs
  //  
  // Author:
  //       Mike Krüger <mkrueger@novell.com>
  // 
  // Copyright (c) 2011 Mike Krüger <mkrueger@novell.com>
  // 
  // Permission is hereby granted, free of charge, to any person obtaining a copy
  // of this software and associated documentation files (the "Software"), to deal
  // in the Software without restriction, including without limitation the rights
  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  // copies of the Software, and to permit persons to whom the Software is
  // furnished to do so, subject to the following conditions:
  // 
  // The above copyright notice and this permission notice shall be included in
  // all copies or substantial portions of the Software.
  // 
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  // THE SOFTWARE.
  using System;
  using System.Threading;
  using System.Collections.Generic;
  
  namespace ICSharpCode.NRefactory.CSharp.Refactoring
  {
  	[ContextAction("Split string literal", Description = "Splits string literal into two.")]
  	public class SplitStringAction: ICodeActionProvider
  	{
  		public IEnumerable<CodeAction> GetActions(RefactoringContext context)
  		{
  			if (context.IsSomethingSelected) {
  				yield break;
  			}
  			var pexpr = context.GetNode<PrimitiveExpression>();
  			if (pexpr == null || !(pexpr.Value is string)) {
  				yield break;
  			}
  			if (pexpr.LiteralValue.StartsWith("@")) {
  				if (!(pexpr.StartLocation < new TextLocation(context.Location.Line, context.Location.Column - 2) &&
  					new TextLocation(context.Location.Line, context.Location.Column + 2) < pexpr.EndLocation)) {
  					yield break;
  				}
  			} else {
  				if (!(pexpr.StartLocation < new TextLocation(context.Location.Line, context.Location.Column - 1) && new TextLocation(context.Location.Line, context.Location.Column + 1) < pexpr.EndLocation)) {
  					yield break;
  				}
  			}
  
  			yield return new CodeAction(context.TranslateString("Split string literal"), script => {
  				int offset = context.GetOffset (context.Location);
  				script.InsertText (offset, pexpr.LiteralValue.StartsWith ("@") ? "\" + @\"" : "\" + \"");
  			});
  		}
  	}
  }
  