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/*
 * Copyright (C) 2008-2014 TrinityCore <http://www.trinitycore.org/>
 * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */

#ifndef CONFIG_H
#define CONFIG_H

#include <string>
#include <list>
#include <ace/Singleton.h>
#include <ace/Configuration_Import_Export.h>
#include <ace/Thread_Mutex.h>
#include <AutoPtr.h>

typedef Trinity::AutoPtr<ACE_Configuration_Heap, ACE_Null_Mutex> Config;

class ConfigMgr
{
    friend class ACE_Singleton<ConfigMgr, ACE_Null_Mutex>;
    friend class ConfigLoader;

    ConfigMgr() { }
    ~ConfigMgr() { }

public:
    /// Method used only for loading main configuration files (authserver.conf and worldserver.conf)
    bool LoadInitial(char const* file);

    /**
     * This method loads additional configuration files
     * It is recommended to use this method in WorldScript::OnConfigLoad hooks
     *
     * @return true if loading was successful
     */
    bool LoadMore(char const* file);

    bool Reload();

    std::string GetStringDefault(const char* name, const std::string& def);
    bool GetBoolDefault(const char* name, bool def);
    int GetIntDefault(const char* name, int def);
    float GetFloatDefault(const char* name, float def);

    std::string const& GetFilename();
    std::list<std::string> GetKeysByString(std::string const& name);

private:
    bool GetValueHelper(const char* name, ACE_TString &result);
    bool LoadData(char const* file);

    typedef ACE_Thread_Mutex LockType;
    typedef ACE_Guard<LockType> GuardType;

    std::string _filename;
    Config _config;
    LockType _configLock;

    ConfigMgr(ConfigMgr const&);
    ConfigMgr& operator=(ConfigMgr const&);
};

#define sConfigMgr ACE_Singleton<ConfigMgr, ACE_Null_Mutex>::instance()

#endif