/* 
* File:   Mangler.h
* Author: daniele
*
* Created on October 12, 2010, 2:40 PM
*/

#ifndef MANGLER_H
#define	MANGLER_H

#include <map>
#include <string>
#include "prototypes.h"

class Chunk;
class IOManager;

#define REGISTER_MANGLER(klass)                                 \
class klass;                                                \
	typedef bool (klass::* ManglingFunction)( IOManager&, Chunk& );

#define REGISTER_MANGLE_ACTION(tag, fn) do { actions.insert( std::make_pair(tag, fn) ); } while(0)

#define MANGLER(klass)                                          \
	std::map< std::string, ManglingFunction > actions;          \
	\
	virtual bool call( IOManager& io, std::string tag, Chunk& chunk ) { \
	if ( actions.find(tag) == actions.end() ) return false; \
	ManglingFunction fn = this->actions[tag];               \
	bool result = (this->* fn)(io, chunk);                  \
	return result;                                          \
}                                                           \
	\
	virtual std::size_t num_registered_actions() { return actions.size(); }

#endif	/* MANGLER_H */