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