Config.cpp

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// Copyright (C) 2004 Bernhard Assmann <bernie@tuxomania.net>
//  
// 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 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 <iostream>

#include "psfa/Config.hpp"
#include "psfa/Sax2Parser.hpp"
#include "psfa/ConfigSax2ContentHandler.hpp"
#include "psfa/ConfigSax2ErrorHandler.hpp"



psfa::Config* psfa::Config::config_ = 0;

psfa::Config::Config()
{

}



psfa::Config::~Config()
{
  delete config_;
}



psfa::Config* 
psfa::Config::getConfig() 
{
  if ( !config_ ) {
    config_ = new Config;
    return config_;
  }
  return config_;
}



bool
psfa::Config::parseConfig( const std::string file ) 
{
  xercesc::SAX2XMLReader* parser = Sax2Parser::getSax2Parser();
  ConfigSax2ContentHandler cH( configData_ );
  ConfigSax2ErrorHandler eH;
  parser->setContentHandler( &cH );
  parser->setErrorHandler(   &eH );
  parser->parse( file.c_str() );
  const int error = parser->getErrorCount();
  if ( error > 0 ) {
    return false;
  }
  return true;
}



const std::string
psfa::Config::getConfigValue( const std::string pool,
               const std::string key ) const
{
  using std::string;
  typedef std::map< string, string > cMap;
  const string mapKey = pool + "_" + key;
  cMap::const_iterator i = configData_.find(mapKey);
  if( i == configData_.end() ) {
    std::cerr << "Warnung: es wurde versucht auf einen nicht vorhandenen Wert "
         << "in der Konfiguration zuzugreifen.\n"
         << "Pool:      " << pool << "\n"
         << "Schlüssel: " << key
         << std::endl;
    return "";
  }
  return i->second;
}



void
psfa::Config::showConfig() const
{
  using std::cout;
  using std::endl;
  typedef std::map< std::string, std::string > cMap;
  
  cMap::const_iterator i = configData_.begin();
  cMap::const_iterator iEnd = configData_.end(); 
  
  for( ; i != iEnd; ++i ) {
    cout << i->first << ": "
    << i->second << " "
    << endl;
  }
  return;
}

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