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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Insight Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#include "cmRemoveCommand.h"
// cmRemoveCommand
bool cmRemoveCommand::InitialPass(std::vector<std::string> const& args)
{
if(args.size() < 1)
{
return true;
}
const char* variable = args[0].c_str(); // VAR is always first
// get the old value
const char* cacheValue
= m_Makefile->GetDefinition(variable);
// if there is no old value then return
if (!cacheValue)
{
return true;
}
// expand the variable
std::vector<std::string> varArgsExpanded;
std::vector<std::string> temp;
temp.push_back(std::string(cacheValue));
cmSystemTools::ExpandListArguments(temp, varArgsExpanded);
// expand the args
// check for REMOVE(VAR v1 v2 ... vn)
std::vector<std::string> argsExpanded;
std::vector<std::string> temp2;
for(unsigned int j = 1; j < args.size(); ++j)
{
temp2.push_back(args[j]);
}
cmSystemTools::ExpandListArguments(temp2, argsExpanded);
// now create the new value
std::string value;
for(unsigned int j = 1; j < varArgsExpanded.size(); ++j)
{
int found = 0;
for(unsigned int k = 1; k < argsExpanded.size(); ++k)
{
if (varArgsExpanded[j] == argsExpanded[k])
{
found = 1;
break;
}
}
if (!found)
{
if (value.size())
{
value += ";";
}
value += varArgsExpanded[j];
}
}
// add the definition
m_Makefile->AddDefinition(variable, value.c_str());
return true;
}
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