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/*************************************************************************
** SpecialManager.h **
** **
** This file is part of dvisvgm -- the DVI to SVG converter **
** Copyright (C) 2005-2009 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 SPECIALMANAGER_H
#define SPECIALMANAGER_H
#include <map>
#include <ostream>
#include <string>
#include <vector>
#include "SpecialHandler.h"
class SpecialActions;
class SpecialManager
{
public:
struct Listener
{
virtual void beginSpecial (const char *prefix)=0;
virtual void endSpecial (const char *prefix)=0;
};
private:
typedef std::vector<SpecialHandler*> HandlerPool;
typedef std::map<std::string,SpecialHandler*> HandlerMap;
typedef HandlerMap::iterator Iterator;
typedef HandlerMap::const_iterator ConstIterator;
public:
SpecialManager () {}
virtual ~SpecialManager ();
void registerHandler (SpecialHandler *handler);
void registerHandlers (SpecialHandler **handlers, const char *ignorelist);
void unregisterHandlers ();
bool process (const std::string &special, SpecialActions *actions, Listener *listener=0) const;
void notifyEndPage ();
void writeHandlerInfo (std::ostream &os) const;
protected:
SpecialManager (const SpecialManager &) {}
void operator = (const SpecialManager &) {}
SpecialHandler* findHandler (const std::string &prefix) const;
private:
HandlerPool _pool; ///< stores pointers to all handlers
HandlerMap _handlers; ///< pointers to handlers for corresponding prefixes
};
#endif
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