81 lines
2.0 KiB
C++
81 lines
2.0 KiB
C++
/*=========================================================================
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Program: CMake - Cross-Platform Makefile Generator
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Module: $RCSfile$
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Language: C++
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Date: $Date$
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Version: $Revision$
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Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
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See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notices 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::InitialPass(std::vector<std::string> const& args)
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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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