// Cyphesis Online RPG Server and AI Engine
// Copyright (C) 2004-2005 Alistair Riddoch
//
// 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA


#ifndef COMMON_ATLAS_FILE_LOADER_H
#define COMMON_ATLAS_FILE_LOADER_H

#include <Atlas/Objects/Decoder.h>
#include <Atlas/Codec.h>

#include <fstream>
#include <memory>

/// Class to read old cyphesis rules on standard input, and output in new
/// standard format.
class AtlasFileLoader : public Atlas::Objects::ObjectsDecoder {
private:
	/// Input file
	std::fstream m_file;
	/// Atlas codec for decoding input.
	std::unique_ptr<Atlas::Codec> m_codec;
	/// Counter for messages read from input
	int m_count;
	/// Store for the messages loaded
	std::map<std::string, Atlas::Objects::Root>& m_messages;

	std::string m_filename;

	void objectArrived(Atlas::Objects::Root obj) override;

public:
	AtlasFileLoader(const Atlas::Objects::Factories& factories,
					const std::string& filename,
					std::map<std::string, Atlas::Objects::Root>& m);

	~AtlasFileLoader() override;

	bool isOpen();

	void read();

	/// \brief Read only accessor for the number of messages loaded
	int count() { return m_count; }
};

#endif // COMMON_ATLAS_FILE_LOADER_H
