util.h

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/* -*- Mode: c++ -*- */
/*
 *  this is part of Spm
 *
 *  Copyright (c) 2003-2006 Guillaume Chevallereau
 *
 *  This program 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.
 *
 *  This program is distributed in the hope that it will be usefull 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
 */
#ifndef __UTIL_H__
#define __UTIL_H__

#include <list>
#include <sstream>
#include "compressed.h"
#include "utilException.h"
#include <boost/filesystem/operations.hpp>
#include <boost/filesystem/exception.hpp>

namespace Spm
{
  namespace Util
  {
    miniXml::ustring getUserName ();

    boost::filesystem::path getUserHome ();

    boost::filesystem::path getUserHome (const miniXml::ustring & user)
      throw (UnknownUserException);

    boost::filesystem::path getSpmUserDir ();

    boost::filesystem::path getSpmUserDir (const miniXml::ustring & user);

    bool isRoot ();

    void checkSpmDir (const boost::filesystem::path & dir);

    bool haveEnoughRight (const boost::filesystem::path & dir);


    template <class T> miniXml::ustring toString (T t)
    {
      std::ostringstream oss;
      oss << t;
      return oss.str ();
    }

    inline bool checkPath(const boost::filesystem::path & path)
    {
      try
        {
          return boost::filesystem::exists(path);
        }
      catch (boost::filesystem::filesystem_error & fse)
        {
          return false;
        }
    }

    int numberOfProcessors ();
  }
}
#endif

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