/*************************************************************************
** CMapManager.h                                                        **
**                                                                      **
** This file is part of dvisvgm -- the DVI to SVG converter             **
** Copyright (C) 2005-2013 Martin Gieseking <martin.gieseking@uos.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/>. **
*************************************************************************/

#ifndef CMAPMANAGER_H
#define CMAPMANAGER_H

#include <map>
#include <set>
#include <string>
#include "CharMapID.h"
#include "Font.h"

struct CMap;

class CMapManager
{
	typedef std::map<std::string, CMap*> CMaps;
   public:
      ~CMapManager ();
		CMap* lookup (const std::string &name);
		CMap* findCompatibleBaseFontMap (const PhysicalFont *font, const CMap *cmap, CharMapID &charmapID);
		static CMapManager& instance ();

	protected:
		CMapManager () : _level(0) {}

   private:
		CMaps _cmaps;  ///< loaded cmaps
		int _level;    ///< current inclusion depth; >0 if a cmap loaded by "usecmap" is being processed
		std::set<std::string> _includedCMaps;  ///< names of cmaps loaded by "usecmap"
};

#endif