ces/iso-2022-cn.c

/*-
 * Copyright (c) 2000
 *	Konstantin Chuguev.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by Konstantin Chuguev
 *	and its contributors.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	iconv (Charset Conversion Library) v1.0
 */

#define ICONV_INTERNAL
#include "iconv.h"

static const char * const names[] = {
	"iso-2022-cn", NULL
};

static const char * const *
iso_names(struct iconv_ces *ces)
{
	return names;
}

static const int shift_tab[] = { 0, -1, -1, -1 };

static const struct iconv_ces_iso2022_ccs ccsattr[] = {
	{ICONV_SHIFT_SI, "", 0},
	{ICONV_SHIFT_SO, "\x1b$)A", 4},
	{ICONV_SHIFT_SO, "\x1b$)G", 4},
	{ICONV_SHIFT_SS2, "\x1b$*H", 4}
};

static const struct iconv_module_depend iconv_module_depend[] = {
	{ICMOD_UC_CCS, "us-ascii", ccsattr + 0},
	{ICMOD_UC_CCS, "gb_2312-80", ccsattr + 1},
	{ICMOD_UC_CCS, "cns11643-plane1", ccsattr + 2},
	{ICMOD_UC_CCS, "cns11643-plane2", ccsattr + 3},
        END_ICONV_MODULE_DEPEND
};

static const struct iconv_ces_desc iconv_ces_desc = {
	apr_iconv_iso2022_open,
	apr_iconv_iso2022_close,
	apr_iconv_iso2022_reset,
	iso_names,
	apr_iconv_ces_nbits7,
	apr_iconv_ces_zero,
	apr_iconv_iso2022_convert_from_ucs,
	apr_iconv_iso2022_convert_to_ucs,
	shift_tab
};

struct iconv_module_desc iconv_module = {
	ICMOD_UC_CES,
	apr_iconv_mod_noevent,
	iconv_module_depend,
	&iconv_ces_desc
};