/*  *	HT Editor *	atom.cc * *	Copyright (C) 1999-2002 Stefan Weyergraf (stefan@weyergraf.de) * *	This program is free software; you can redistribute it and/or modify *	it under the terms of the GNU General Public License version 2 as *	published by the Free Software Foundation. * *	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., 675 Mass Ave, Cambridge, MA 02139, USA. */#include <cstring>#include "atom.h"#include "data.h"#include "snprintf.h"static AVLTree atoms(true);class Atom: public Object {public:	uint id;	void *value;	Atom(uint i, void *v)	   :  id(i),	      value(v)	{	}	int compareTo(const Object *obj) const	{		Atom *a = (Atom*)obj;		return id - a->id;	}		int toString(char *buf, int buflen) const	{		return ht_snprintf(buf, buflen, "[%08x, %p]\n", id, value);	}	};void *getAtomValue(uint id){	if (id != invalid_atom_id) {		Atom a(id, NULL);		Atom *f = (Atom*)atoms.get(atoms.find(&a));		if (f) return f->value;	}	return NULL;}uint getAtomId(void *value){	if (value) {		foreach(Atom, a, atoms,			if (a->value == value) return a->id;		);	}	return invalid_atom_id;}#include "htdebug.h"bool registerAtom(uint id, void *value){	Atom a(id, NULL);	if (atoms.contains(&a)) {		return false;	}	assert(value);	atoms.insert(new Atom(id, value));	return true;}bool unregisterAtom(uint id){	Atom a(id, NULL);	atoms.delObj(&a);	return true;}/* *	Module Init/Done */ bool init_atom(){	return true;}  void done_atom(){	atoms.delAll();}