/**
 * Stats.cc
 *
 * 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 <new>

#include "gnuworld_config.h"
#include "Stats.h"

namespace gnuworld {

/* Initialise our static data members */
Stats* Stats::theStats = 0;

/*********************************
 ** S T A T I C   M E T H O D S **
 *********************************/

/**
 * Implementation of singleton. This is the only way to get a reference to a
 * Stats object.
 */
Stats* Stats::getInstance()
{
  if(!theStats) theStats = new Stats();

  return theStats;
}


/*********************************
 ** C O N / D E S T R U C T O R **
 *********************************/

/**
 * Empty constructor
 */
Stats::Stats()
{
}

/**
 * Empty destructor
 */
Stats::~Stats()
{
}


/*******************************
 ** S T A T S   C O N T R O L **
 *******************************/

/**
 * This function allows incrementing of stats
 */
void Stats::incStat(const string& theStat, unsigned int amount)
{
  statsMapType::iterator ptr = statsMap.find(theStat);

  if(ptr == statsMap.end()) {
    statsMap.insert(statsMapType::value_type(theStat, amount));
  } else {
    ptr->second += amount;
  }
}


/**
 * This function allows access to a single stats count
 */
unsigned int Stats::getStat(const string& theStat)
{
  statsMapType::const_iterator ptr = statsMap.find(theStat);

  if(ptr == statsMap.end()) {
    return 0;
   } else {
    return ptr->second;
   }
}

} // namespace gnuworld