FileRepository.h

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/******************************************************************************
*       SOFA, Simulation Open-Framework Architecture, version 1.0 beta 3      *
*                (c) 2006-2008 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                             *
******************************************************************************/
#ifndef SOFA_HELPER_SYSTEM_FILEREPOSITORY_H
#define SOFA_HELPER_SYSTEM_FILEREPOSITORY_H

#include <string>
#include <vector>

namespace sofa
{

namespace helper
{

namespace system
{

// A small utility class to temporarly set the current directory to the same as a specified file
class FileRepository
{
public:

    FileRepository(const char* envVar = "SOFA_DATA_PATH", const char* relativePath = "../share" );

    ~FileRepository();

    void addFirstPath(const std::string& path);

    void addLastPath(const std::string& path);
    
    std::string getFirstPath();

    bool findFile(std::string& filename, const std::string& basedir="");

    std::string getFile(std::string filename, const std::string& basedir="")
    {
    findFile(filename, basedir);
    return filename;
    }

    bool findFileFromFile(std::string& filename, const std::string& basefile);

    void print();

    static char entrySeparator()
    {
#ifdef WIN32
    return ';';
#else
    return ':';
#endif
    }

protected:

    std::vector<std::string> vpath;

    static bool findFileIn(std::string& filename, const std::string& path);
};

extern FileRepository DataRepository; 

} // namespace system

} // namespace helper

} // namespace sofa

#endif