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Viewing changes to external/nrefactory/ICSharpCode.NRefactory.CSharp/Refactoring/CodeIssues/FormatStringIssues/FormatStringHelper.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/CodeIssues/FormatStringIssues/FormatStringHelper.cs
 
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//
 
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// FormatStringHelper.cs
 
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//
 
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// Author:
 
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//       Simon Lindgren <simon.n.lindgren@gmail.com>
 
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//
 
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// Copyright (c) 2012 Simon Lindgren
 
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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.Collections.Generic;
 
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using ICSharpCode.NRefactory.CSharp.Resolver;
 
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using System.Linq;
 
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using ICSharpCode.NRefactory.TypeSystem;
 
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namespace ICSharpCode.NRefactory.CSharp
 
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{
 
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        class FormatStringHelper
 
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        {
 
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                static string[] parameterNames = { "format", "frmt", "fmt" };
 
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                public static bool TryGetFormattingParameters(CSharpInvocationResolveResult invocationResolveResult, InvocationExpression invocationExpression,
 
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                                                                  out Expression formatArgument, out TextLocation formatStart, out IList<Expression> arguments,
 
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                                                              Func<IParameter, Expression, bool> argumentFilter)
 
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                {
 
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                        if (argumentFilter == null)
 
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                                argumentFilter = (p, e) => true;
 
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                        formatArgument = null;
 
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                        formatStart = default(TextLocation);
 
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                        arguments = new List<Expression>();
 
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                        var argumentToParameterMap = invocationResolveResult.GetArgumentToParameterMap();
 
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                        var resolvedParameters = invocationResolveResult.Member.Parameters;
 
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                        var allArguments = invocationExpression.Arguments.ToArray();
 
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                        for (int i = 0; i < allArguments.Length; i++) {
 
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                                var parameterIndex = argumentToParameterMap[i];
 
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                                if (parameterIndex < 0 || parameterIndex >= resolvedParameters.Count) {
 
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                                        // No valid mapping for this parameter, skip it
 
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                                        continue;
 
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                                }
 
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                                var parameter = resolvedParameters[parameterIndex];
 
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                                var argument = allArguments[i];
 
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                                if (parameter.Type.IsKnownType(KnownTypeCode.String) && parameterNames.Contains(parameter.Name)) {
 
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                                        formatArgument = argument;
 
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                                        formatStart = argument.StartLocation;
 
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                                } else if ((formatArgument != null || parameter.IsParams) && argumentFilter(parameter, argument)) {
 
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                                        arguments.Add(argument);
 
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                                }
 
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                        }
 
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                        return formatArgument != null;
 
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                }
 
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        }
 
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}
 
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