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// FlipOperatorArguments.cs
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// Mike Krüger <mkrueger@novell.com>
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// Copyright (c) 2011 Mike Krüger <mkrueger@novell.com>
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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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// 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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// 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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using System.Threading;
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using System.Collections.Generic;
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namespace ICSharpCode.NRefactory.CSharp.Refactoring
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[ContextAction("Swaps left and right arguments.", Description = "Swaps left and right arguments.")]
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public class FlipOperatorArgumentsAction : ICodeActionProvider
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public IEnumerable<CodeAction> GetActions(RefactoringContext context)
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var binop = GetBinaryOperatorExpression(context);
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yield return new CodeAction(string.Format(context.TranslateString("Flip '{0}' operator arguments"), binop.OperatorToken.GetText()), script => {
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script.Replace(binop.Left, binop.Right.Clone());
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script.Replace(binop.Right, binop.Left.Clone());
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public static BinaryOperatorExpression GetBinaryOperatorExpression (RefactoringContext context)
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var node = context.GetNode<BinaryOperatorExpression> ();
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if (node == null || !node.OperatorToken.Contains (context.Location))
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var result = node as BinaryOperatorExpression;
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if (result == null || (result.Operator != BinaryOperatorType.Equality && result.Operator != BinaryOperatorType.InEquality))