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70 lines
2.9 KiB
70 lines
2.9 KiB
// |
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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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