source: trunk/c++_tools/utility/FileIO.cc @ 675

// $Id: FileIO.cc 675 2006-10-10 12:08:45Z jari $

/*
  Copyright (C) 2004 Jari Häkkinen
  Copyright (C) 2005 Peter Johansson
  Copyright (C) 2006 Jari Häkkinen

  This file is part of the yat library, http://lev.thep.lu.se/trac/yat

  The yat library is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License as
  published by the Free Software Foundation; either version 2 of the
  License, or (at your option) any later version.

  The yat 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
  General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  02111-1307, USA.
*/

#include "yat/utility/FileIO.h"

#include <iostream>
#include <unistd.h>


namespace theplu {
namespace utility {

  int FileIO::access_rights(const std::string& path,
                            const std::string& bits) const {
    if (int value=access(path.c_str(),F_OK)) {
      std::cerr << "access_rights: File '" << path << "' does not exist."
                << std::endl;
      return value;
    }
    int mode=0;
    for (u_int i=0; i<bits.length(); i++)
      switch (bits[i]) {
          case 'r':
            mode|=R_OK;
            break;
          case 'w':
            mode|=W_OK;
            break;
          case 'x':
            mode|=X_OK;
            break;
      }
    return access(path.c_str(),mode);
  }

}} // of namespace utility and namespace theplu