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/*
 *  Copyright (C) 2005 Christophe Fergeau
 *
 * 
 *  The code contained in this file is free software; you can redistribute
 *  it and/or modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either version
 *  2.1 of the License, or (at your option) any later version.
 *  
 *  This file 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
 *  Lesser General Public License for more details.
 *  
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this code; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 * 
 *  iTunes and iPod are trademarks of Apple
 * 
 *  This product is not supported/written/published by Apple!
 *
 */


#ifndef DB_PARSE_CONTEXT
#define DB_PARSE_CONTEXT

#include <sys/types.h>

struct _DBParseContext {
	const unsigned char *buffer;
	const unsigned char *cur_pos;
	off_t header_len;
	off_t total_len;
};

typedef struct _DBParseContext DBParseContext;


#define db_parse_context_get_m_header(ctx, type, id) (type *)db_parse_context_get_m_header_internal (ctx, id, sizeof (type))

G_GNUC_INTERNAL DBParseContext *db_parse_context_new (const unsigned char *buffer, off_t len) G_GNUC_INTERNAL;
G_GNUC_INTERNAL void db_parse_context_set_total_len (DBParseContext *ctx, off_t len) G_GNUC_INTERNAL;
G_GNUC_INTERNAL off_t db_parse_context_get_remaining_length (DBParseContext *ctx) G_GNUC_INTERNAL;
G_GNUC_INTERNAL DBParseContext *db_parse_context_get_sub_context (DBParseContext *ctx, 
						  off_t offset) G_GNUC_INTERNAL;
G_GNUC_INTERNAL DBParseContext *db_parse_context_get_next_child (DBParseContext *ctx) G_GNUC_INTERNAL;
G_GNUC_INTERNAL void *db_parse_context_get_m_header_internal (DBParseContext *ctx, const char *id, off_t size) G_GNUC_INTERNAL;

G_GNUC_INTERNAL DBParseContext *db_parse_context_new_from_file (const char *filename) G_GNUC_INTERNAL;

#endif