encoder.h

/*
 * Copyright (C) 2010  Valery V. Vorotyntsev <valery.vv@gmail.com>
 *
 * 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.
 */
#ifndef _ENCODER_H
#define _ENCODER_H

#include "buffer.h"
#include "list.h"
#include "iteratee.h"

/* State of encoder */
struct EncSt {
	struct Buffer acc; /* Encoded bytes' accumulator */

	/*
	 * Backtrace -- a summary of how encoder got where it is.
	 *
	 * It starts with the current node, followed by its parent,
	 * and on up the stack (to the root).
	 */
	struct list_head bt;
};

/* XXX */
void init_EncSt(struct EncSt *z);

/* XXX */
void free_EncSt(struct EncSt *z);

/* XXX */
IterV encode(struct EncSt *z, struct Stream *str);

#endif /* _ENCODER_H */