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/******************************************************************************
* SOFA, Simulation Open-Framework Architecture, version 1.0 beta 4 *
* (c) 2006-2009 MGH, INRIA, USTL, UJF, CNRS *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 of the License, or (at *
* your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, but WITHOUT *
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or *
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License *
* for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
*******************************************************************************
* SOFA :: Framework *
* *
* Authors: M. Adam, J. Allard, B. Andre, P-J. Bensoussan, S. Cotin, C. Duriez,*
* H. Delingette, F. Falipou, F. Faure, S. Fonteneau, L. Heigeas, C. Mendoza, *
* M. Nesme, P. Neumann, J-P. de la Plata Alcade, F. Poyer and F. Roy *
* *
* Contact information: contact@sofa-framework.org *
******************************************************************************/
#include <sofa/helper/system/FileRepository.h>
#include <sofa/helper/system/SetDirectory.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifndef WIN32
#include <unistd.h>
#else
#include <windows.h>
#include <direct.h>
#endif
#include <string.h>
#include <stdlib.h>
#include <iostream>
namespace sofa
{
namespace helper
{
namespace system
{
#if defined (WIN32)
FileRepository DataRepository("SOFA_DATA_PATH", "../share;../examples");
#elif defined (__APPLE__)
FileRepository DataRepository("SOFA_DATA_PATH", "../share:../examples:../Resources/examples:../Resources:../../../../examples:../../../../share");
#else
FileRepository DataRepository("SOFA_DATA_PATH", "../share:../examples");
#endif
FileRepository::FileRepository(const char* envVar, const char* relativePath)
{
if (envVar != NULL && envVar[0]!='\0')
{
const char* envpath = getenv(envVar);
if (envpath != NULL && envpath[0]!='\0')
addFirstPath(envpath);
}
if (relativePath != NULL && relativePath[0]!='\0')
{
std::string path = relativePath;
size_t p0 = 0;
size_t p1;
while ( p0 < path.size() )
{
p1 = path.find(entrySeparator(),p0);
if (p1 == std::string::npos) p1 = path.size();
if (p1>p0+1)
{
std::string p = path.substr(p0,p1-p0);
addLastPath(SetDirectory::GetRelativeFromProcess(p.c_str()));
}
p0 = p1+1;
}
}
//print();
}
FileRepository::~FileRepository()
{
}
void FileRepository::addFirstPath(const std::string& path)
{
std::vector<std::string> entries;
size_t p0 = 0;
size_t p1;
while ( p0 < path.size() )
{
p1 = path.find(entrySeparator(),p0);
if (p1 == std::string::npos) p1 = path.size();
if (p1>p0+1)
{
entries.push_back(path.substr(p0,p1-p0));
}
p0 = p1+1;
}
vpath.insert(vpath.begin(), entries.begin(), entries.end());
}
void FileRepository::addLastPath(const std::string& path)
{
std::vector<std::string> entries;
size_t p0 = 0;
size_t p1;
while ( p0 < path.size() )
{
p1 = path.find(entrySeparator(),p0);
if (p1 == std::string::npos) p1 = path.size();
if (p1>p0+1)
{
entries.push_back(path.substr(p0,p1-p0));
}
p0 = p1+1;
}
vpath.insert(vpath.end(), entries.begin(), entries.end());
// std::cout << path << std::endl;
}
std::string FileRepository::getFirstPath()
{
if (vpath.size() > 0)
return vpath[0];
else return "";
}
bool FileRepository::findFileIn(std::string& filename, const std::string& path)
{
if (filename.empty()) return false; // no filename
struct stat s;
std::string newfname = SetDirectory::GetRelativeFromDir(filename.c_str(), path.c_str());
//std::cout << "Looking for " << newfname <<std::endl;
if (!stat(newfname.c_str(),&s))
{
// File found
//std::cout << "File "<<filename<<" found in "<<path.substr(p0,p1-p0)<<std::endl;
filename = newfname;
return true;
}
return false;
}
bool FileRepository::findFile(std::string& filename, const std::string& basedir)
{
if (filename.empty()) return false; // no filename
if (basedir.empty())
{
if (findFileIn(filename, SetDirectory::GetCurrentDir())) return true;
}
else
{
if (findFileIn(filename, SetDirectory::GetRelativeFromDir(basedir.c_str(),SetDirectory::GetCurrentDir().c_str()))) return true;
}
if (SetDirectory::IsAbsolute(filename)) return false; // absolute file path
if (filename.substr(0,2)=="./" || filename.substr(0,3)=="../") return false; // local file path
for (std::vector<std::string>::const_iterator it = vpath.begin(); it != vpath.end(); ++it)
if (findFileIn(filename, *it)) return true;
std::cerr << "File "<<filename<<" NOT FOUND in "<<basedir;
for (std::vector<std::string>::const_iterator it = vpath.begin(); it != vpath.end(); ++it)
std::cerr << ':'<<*it;
std::cerr<<std::endl;
return false;
}
bool FileRepository::findFileFromFile(std::string& filename, const std::string& basefile)
{
return findFile(filename, SetDirectory::GetParentDir(basefile.c_str()));
}
void FileRepository::print()
{
for (std::vector<std::string>::const_iterator it = vpath.begin(); it != vpath.end(); ++it)
std::cout << *it << std::endl;
}
} // namespace system
} // namespace helper
} // namespace sofa
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