/*
 * Initializable.cpp
 *
 * Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.de>
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */

#include "Initializable.h"

#include "ConfigManager.h"
#include "Configurable.h"
#include "Logger.h"

#include <typeinfo>

namespace Mad {
namespace Common {

std::stack<Initializable*> Initializable::initializedObjects;

void Initializable::init() {
  if(initialized)
    return;

  if(initializing) {
    Logger::log(Logger::CRITICAL, "Fatal initialization error: cyclic dependencies.");
    std::terminate();
  }

  initializing = true;

  doInit();

  Configurable *c = dynamic_cast<Configurable*>(this);
  if(c)
    ConfigManager::get()->registerConfigurable(c);

  initializing = false;
  initialized = true;
  initializedObjects.push(this);
}

void Initializable::deinit() {
  while(!initializedObjects.empty()) {
    Initializable *in = initializedObjects.top();

    Configurable *c = dynamic_cast<Configurable*>(in);
    if(c)
      ConfigManager::get()->unregisterConfigurable(c);

    in->doDeinit();
    in->initialized = false;

    initializedObjects.pop();
  }
}

}
}