source: src/Patterns/Observer/ObserverLog.cpp@ e2e035e

/*
 * Project: MoleCuilder
 * Description: creates and alters molecular systems
 * Copyright (C)  2010 University of Bonn. All rights reserved.
 * Please see the LICENSE file or "Copyright notice" in builder.cpp for details.
 */

/*
 * ObserverLog.cpp
 *
 *  Created on: Dec 1, 2011
 *      Author: heber
 */

// include config.h
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "MemDebug.hpp"

#include "ObserverLog.hpp"


ObserverLog::ObserverLog() :
  count (0)
{}

ObserverLog::~ObserverLog(){}

std::string ObserverLog::getLog(){return log.str();}

std::string ObserverLog::getName(void* obj){
  return names[obj];
}

bool ObserverLog::isObservable(void* obj){
  return observables.count(obj);
}

void ObserverLog::addName(void* obj , std::string name){
  std::stringstream sstr;
  sstr << name << "_" << count++;
  names[obj] = sstr.str();
}

void ObserverLog::addObservable(void* obj){
  observables.insert(obj);
}

void ObserverLog::deleteName(void* obj){
  names.erase(obj);
}

void ObserverLog::deleteObservable(void* obj){
  observables.erase(obj);
}

std::stringstream &ObserverLog::addMessage(int depth){
  for(int i=depth;i--;)
    log << "  ";
  return log;
}

// The log needs to exist fairly early, so we make it construct on first use,
// and never destroy it
ObserverLog &observerLog(){
  // yes, this memory is never freed... we need it around for the whole programm,
  // so no freeing is possible
  static ObserverLog *theLog = Memory::ignore(new ObserverLog());
  return *theLog;
}