CMake/Source/cmFindPathCommand.cxx

109 lines
3.1 KiB
C++

/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html 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 "cmFindPathCommand.h"
#include "cmCacheManager.h"
// cmFindPathCommand
bool cmFindPathCommand::InitialPass(std::vector<std::string> const& argsIn)
{
if(argsIn.size() < 2)
{
this->SetError("called with incorrect number of arguments");
return false;
}
// 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
std::string helpString = "What is the path where the file ";
helpString += argsIn[1] + " can be found";
std::vector<std::string> args;
size_t size = argsIn.size();
for(unsigned int j = 0; j < size; ++j)
{
if(argsIn[j] != "DOC")
{
args.push_back(argsIn[j]);
}
else
{
if(j+1 < size)
{
helpString = argsIn[j+1];
}
break;
}
}
const char* cacheValue
= m_Makefile->GetDefinition(args[0].c_str());
if(cacheValue && strcmp(cacheValue, "NOTFOUND"))
{
return true;
}
if(cacheValue)
{
cmCacheManager::CacheIterator it =
m_Makefile->GetCacheManager()->GetCacheIterator(args[0].c_str());
if(!it.IsAtEnd())
{
const char* hs = it.GetProperty("HELPSTRING");
helpString = hs?hs:"(none)";
}
}
std::vector<std::string> path;
// add any user specified paths
for (unsigned int j = 2; j < args.size(); j++)
{
// expand variables
std::string exp = args[j];
cmSystemTools::ExpandRegistryValues(exp);
// Glob the entry in case of wildcards.
cmSystemTools::GlobDirs(exp.c_str(), path);
}
// add the standard path
cmSystemTools::GetPath(path);
unsigned int k;
for(k=0; k < path.size(); k++)
{
std::string tryPath = path[k];
tryPath += "/";
tryPath += args[1];
if(cmSystemTools::FileExists(tryPath.c_str()))
{
path[k] = cmSystemTools::CollapseFullPath(path[k].c_str());
if(path[k].size() && path[k][path[k].size()-1] == '/')
{
path[k] = path[k].substr(0, path[k].size()-1);
}
m_Makefile->AddCacheDefinition(args[0].c_str(),
path[k].c_str(),
helpString.c_str(),
cmCacheManager::PATH);
return true;
}
}
m_Makefile->AddCacheDefinition(args[0].c_str(),
"NOTFOUND",
helpString.c_str(),
cmCacheManager::PATH);
return true;
}