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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2000 National Library of Medicine
All rights reserved.
See COPYRIGHT.txt for copyright details.
=========================================================================*/
#include "cmFindProgramCommand.h"
#include "cmCacheManager.h"
#include <stdlib.h>
#include <stdio.h>
// cmFindProgramCommand
bool cmFindProgramCommand::Invoke(std::vector<std::string>& args)
{
if(args.size() < 2 )
{
this->SetError("called with incorrect number of arguments");
return false;
}
std::vector<std::string>::iterator i = args.begin();
// Use the first argument as the name of something to be defined
const char* define = (*i).c_str();
i++; // move iterator to next arg
// Now check and see if the value has been stored in the cache
// already, if so use that value and don't look for the program
const char* cacheValue
= cmCacheManager::GetInstance()->GetCacheValue(define);
if(cacheValue)
{
m_Makefile->AddDefinition(define, cacheValue);
return true;
}
// if it is not in the cache, then search the system path
// add any user specified paths
std::vector<std::string> path;
for (unsigned int j = 2; j < args.size(); j++)
{
// expand variables
std::string exp = args[j];
m_Makefile->ExpandVariablesInString(exp);
path.push_back(exp);
}
cmSystemTools::GetPath(path);
for(unsigned int k=0; k < path.size(); k++)
{
std::string tryPath = path[k];
tryPath += "/";
tryPath += *i;
#ifdef _WIN32
tryPath += ".exe";
#endif
if(cmSystemTools::FileExists(tryPath.c_str()))
{
// Save the value in the cache
cmCacheManager::GetInstance()->AddCacheEntry(define,
tryPath.c_str(),
cmCacheManager::FILEPATH);
m_Makefile->AddDefinition(define, tryPath.c_str());
return true;
}
}
return false;
}
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