FilePathSearch.cpp

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/*
Copyright 2007, 2008, 2009, 2010, 2011 Instituto de Sistemas e Robotica, Instituto Superior Tecnico

This file is part of MeRMaID.

MeRMaID 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 3 of the License, or
(at your option) any later version.

MeRMaID 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 MeRMaID.  If not, see <http://www.gnu.org/licenses/>.
*/



/**
 * @Filename FilePathSearch.cpp
 * @Description FilePathSearch implementation
 * @Status Work in Progress
 * @Version $Id: FilePathSearch.cpp 1 2011-03-04 18:13:18Z jreis $
 * @Maintainer Marco Barbosa
 */

#include "config.h"

#include "FilePathSearch.hpp"

#include <fstream>
#include <iostream>

#include <Exception.hpp>

using namespace mermaid::support::system;
using mermaid::support::errorhandling::Exception;

std::list<std::string> FilePathSearch::pathList_ = std::list<std::string>();

void FilePathSearch::addSearchPath (std::string path)
{
  //std::cerr << "FilePathSearch::addSearchPath : path=" << path << std::endl;
  pathList_.push_back (path);
};

std::string FilePathSearch::getFullPathForFile (std::string filename)
{
  std::list<std::string>::iterator pathIt;
  
  for (pathIt = pathList_.begin(); pathIt != pathList_.end(); pathIt++) {
    std::string path = *pathIt;
    
    //std::cerr << "FilePathSearch::getFullPathForFile : trying path: \"" << path << "\"" << std::endl;
    
    std::string fullPath = path + "/" + filename;
    
    //std::cerr << "FilePathSearch::getFullPathForFile : full path: \"" << fullPath << "\"" << std::endl;
    
    std::ifstream stream;
    
    stream.open (fullPath.c_str());
    
    if (stream.is_open()) {
      //std::cerr << "FilePathSearch::getFullPathForFile : found path: \"" << fullPath << "\"" << std::endl;
      stream.close();
      return fullPath;
    }
    else {
      //std::cerr << "FilePathSearch::getFullPathForFile : invalid path: \"" << fullPath << "\"" << std::endl;
    }
  }
  
  throw Exception ("FilePathSearch::getFullPathForFile : path not found for filename: " + filename);
};