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77 lines
1.9 KiB
77 lines
1.9 KiB
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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#include "cmRemoveCommand.h"
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// cmRemoveCommand
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bool cmRemoveCommand
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::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
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{
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if(args.size() < 1)
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{
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return true;
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}
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const char* variable = args[0].c_str(); // VAR is always first
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// get the old value
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const char* cacheValue
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= this->Makefile->GetDefinition(variable);
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// if there is no old value then return
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if (!cacheValue)
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{
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return true;
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}
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// expand the variable
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std::vector<std::string> varArgsExpanded;
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cmSystemTools::ExpandListArgument(cacheValue, varArgsExpanded);
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// expand the args
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// check for REMOVE(VAR v1 v2 ... vn)
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std::vector<std::string> argsExpanded;
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std::vector<std::string> temp;
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for(unsigned int j = 1; j < args.size(); ++j)
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{
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temp.push_back(args[j]);
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}
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cmSystemTools::ExpandList(temp, argsExpanded);
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// now create the new value
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std::string value;
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for(unsigned int j = 0; j < varArgsExpanded.size(); ++j)
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{
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int found = 0;
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for(unsigned int k = 0; k < argsExpanded.size(); ++k)
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{
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if (varArgsExpanded[j] == argsExpanded[k])
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{
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found = 1;
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break;
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}
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}
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if (!found)
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{
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if (value.size())
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{
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value += ";";
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}
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value += varArgsExpanded[j];
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}
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}
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// add the definition
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this->Makefile->AddDefinition(variable, value.c_str());
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return true;
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}
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