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/*
 *
 *  oFono - Open Source Telephony
 *
 *  Copyright (C) 2009-2010  Nokia Corporation and/or its subsidiary(-ies).
 *
 *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

#ifndef __GISI_ITER_H
#define __GISI_ITER_H

#ifdef __cplusplus
extern "C" {
#endif

#include <stdint.h>

#include "message.h"

struct _GIsiSubBlockIter {
	uint8_t *start;
	uint8_t *end;
	gboolean longhdr;
	uint16_t cursor;
	uint16_t sub_blocks;
};
typedef struct _GIsiSubBlockIter GIsiSubBlockIter;

void g_isi_sb_iter_init(GIsiSubBlockIter *iter, const GIsiMessage *msg,
			size_t used);
void g_isi_sb_iter_init_full(GIsiSubBlockIter *iter, const GIsiMessage *msg,
				size_t used, gboolean longhdr,
				uint16_t sub_blocks);
void g_isi_sb_subiter_init(GIsiSubBlockIter *outer, GIsiSubBlockIter *inner,
				size_t used);
void g_isi_sb_subiter_init_full(GIsiSubBlockIter *out, GIsiSubBlockIter *in,
				size_t used, gboolean longhdr,
				uint16_t sub_blocks);
gboolean g_isi_sb_iter_is_valid(const GIsiSubBlockIter *iter);

gboolean g_isi_sb_iter_next(GIsiSubBlockIter *iter);

int g_isi_sb_iter_get_id(const GIsiSubBlockIter *iter);
size_t g_isi_sb_iter_get_len(const GIsiSubBlockIter *iter);

gboolean g_isi_sb_iter_get_data(const GIsiSubBlockIter *restrict iter,
				void **data, unsigned pos);
gboolean g_isi_sb_iter_get_byte(const GIsiSubBlockIter *restrict iter,
				uint8_t *byte, unsigned pos);
gboolean g_isi_sb_iter_get_word(const GIsiSubBlockIter *restrict iter,
				uint16_t *word, unsigned pos);
gboolean g_isi_sb_iter_get_dword(const GIsiSubBlockIter *restrict iter,
					uint32_t *dword, unsigned pos);
gboolean g_isi_sb_iter_eat_byte(GIsiSubBlockIter *restrict iter,
				uint8_t *byte);
gboolean g_isi_sb_iter_eat_word(GIsiSubBlockIter *restrict iter,
				uint16_t *word);
gboolean g_isi_sb_iter_eat_dword(GIsiSubBlockIter *restrict iter,
				uint32_t *dword);
gboolean g_isi_sb_iter_get_oper_code(const GIsiSubBlockIter *restrict iter,
					char *mcc, char *mnc, unsigned pos);
gboolean g_isi_sb_iter_eat_oper_code(GIsiSubBlockIter *restrict iter,
					char *mcc, char *mnc);
gboolean g_isi_sb_iter_get_alpha_tag(const GIsiSubBlockIter *restrict iter,
					char **utf8, size_t len, unsigned pos);
gboolean g_isi_sb_iter_eat_alpha_tag(GIsiSubBlockIter *restrict iter,
					char **utf8, size_t len);
gboolean g_isi_sb_iter_get_latin_tag(const GIsiSubBlockIter *restrict iter,
					char **ascii, size_t len, unsigned pos);
gboolean g_isi_sb_iter_eat_latin_tag(GIsiSubBlockIter *restrict iter,
					char **ascii, size_t len);
gboolean g_isi_sb_iter_get_struct(const GIsiSubBlockIter *restrict iter,
					void **ptr, size_t len, unsigned pos);

#ifdef __cplusplus
}
#endif

#endif /* __GISI_ITER_H */