root/ext/mbstring/libmbfl/mbfl/mbfl_encoding.c

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DEFINITIONS

This source file includes following definitions.
  1. mbfl_name2encoding
  2. mbfl_no2encoding
  3. mbfl_name2no_encoding
  4. mbfl_no_encoding2name
  5. mbfl_get_supported_encodings
  6. mbfl_no2preferred_mime_name
  7. mbfl_is_support_encoding

/*
 * "streamable kanji code filter and converter"
 * Copyright (c) 1998-2002 HappySize, Inc. All rights reserved.
 *
 * LICENSE NOTICES
 *
 * This file is part of "streamable kanji code filter and converter",
 * which is distributed under the terms of GNU Lesser General Public 
 * License (version 2) as published by the Free Software Foundation.
 *
 * This software 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 "streamable kanji code filter and converter";
 * if not, write to the Free Software Foundation, Inc., 59 Temple Place,
 * Suite 330, Boston, MA  02111-1307  USA
 *
 * The author of this file:
 *
 */
/*
 * The source code included in this files was separated from mbfilter.c
 * by Moriyoshi Koizumi <moriyoshi@php.net> on 20 Dec 2002. The file
 * mbfilter.c is included in this package .
 *
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif

#ifdef HAVE_STRING_H
#include <string.h>
#endif

#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif

#include "mbfl_encoding.h"
#include "mbfilter_pass.h"
#include "mbfilter_8bit.h"
#include "mbfilter_wchar.h"

#include "filters/mbfilter_euc_cn.h"
#include "filters/mbfilter_hz.h"
#include "filters/mbfilter_euc_tw.h"
#include "filters/mbfilter_big5.h"
#include "filters/mbfilter_uhc.h"
#include "filters/mbfilter_euc_kr.h"
#include "filters/mbfilter_iso2022_kr.h"
#include "filters/mbfilter_sjis.h"
#include "filters/mbfilter_sjis_open.h"
#include "filters/mbfilter_sjis_mobile.h"
#include "filters/mbfilter_sjis_mac.h"
#include "filters/mbfilter_sjis_2004.h"
#include "filters/mbfilter_cp51932.h"
#include "filters/mbfilter_jis.h"
#include "filters/mbfilter_iso2022_jp_ms.h"
#include "filters/mbfilter_iso2022jp_2004.h"
#include "filters/mbfilter_iso2022jp_mobile.h"
#include "filters/mbfilter_euc_jp.h"
#include "filters/mbfilter_euc_jp_win.h"
#include "filters/mbfilter_euc_jp_2004.h"
#include "filters/mbfilter_gb18030.h"
#include "filters/mbfilter_ascii.h"
#include "filters/mbfilter_koi8r.h"
#include "filters/mbfilter_koi8u.h"
#include "filters/mbfilter_cp866.h"
#include "filters/mbfilter_cp932.h"
#include "filters/mbfilter_cp936.h"
#include "filters/mbfilter_cp1251.h"
#include "filters/mbfilter_cp1252.h"
#include "filters/mbfilter_cp1254.h"
#include "filters/mbfilter_cp5022x.h"
#include "filters/mbfilter_iso8859_1.h"
#include "filters/mbfilter_iso8859_2.h"
#include "filters/mbfilter_iso8859_3.h"
#include "filters/mbfilter_iso8859_4.h"
#include "filters/mbfilter_iso8859_5.h"
#include "filters/mbfilter_iso8859_6.h"
#include "filters/mbfilter_iso8859_7.h"
#include "filters/mbfilter_iso8859_8.h"
#include "filters/mbfilter_iso8859_9.h"
#include "filters/mbfilter_iso8859_10.h"
#include "filters/mbfilter_iso8859_13.h"
#include "filters/mbfilter_iso8859_14.h"
#include "filters/mbfilter_iso8859_15.h"
#include "filters/mbfilter_iso8859_16.h"
#include "filters/mbfilter_base64.h"
#include "filters/mbfilter_qprint.h"
#include "filters/mbfilter_uuencode.h"
#include "filters/mbfilter_7bit.h"
#include "filters/mbfilter_utf7.h"
#include "filters/mbfilter_utf7imap.h"
#include "filters/mbfilter_utf8.h"
#include "filters/mbfilter_utf8_mobile.h"
#include "filters/mbfilter_utf16.h"
#include "filters/mbfilter_utf32.h"
#include "filters/mbfilter_byte2.h"
#include "filters/mbfilter_byte4.h"
#include "filters/mbfilter_ucs4.h"
#include "filters/mbfilter_ucs2.h"
#include "filters/mbfilter_htmlent.h"
#include "filters/mbfilter_armscii8.h"
#include "filters/mbfilter_cp850.h"

#ifndef HAVE_STRCASECMP
#ifdef HAVE_STRICMP
#define strcasecmp stricmp
#endif
#endif 


static const char *mbfl_encoding_auto_aliases[] = {"unknown", NULL};

static const mbfl_encoding mbfl_encoding_auto = {
        mbfl_no_encoding_auto,
        "auto",
        NULL,
        (const char *(*)[])&mbfl_encoding_auto_aliases,
        NULL,
        0
};

static const mbfl_encoding *mbfl_encoding_ptr_list[] = {
        &mbfl_encoding_pass,
        &mbfl_encoding_auto,
        &mbfl_encoding_wchar,
        &mbfl_encoding_byte2be,
        &mbfl_encoding_byte2le,
        &mbfl_encoding_byte4be,
        &mbfl_encoding_byte4le,
        &mbfl_encoding_base64,
        &mbfl_encoding_uuencode,
        &mbfl_encoding_html_ent,
        &mbfl_encoding_qprint,
        &mbfl_encoding_7bit,
        &mbfl_encoding_8bit,
        &mbfl_encoding_ucs4,
        &mbfl_encoding_ucs4be,
        &mbfl_encoding_ucs4le,
        &mbfl_encoding_ucs2,
        &mbfl_encoding_ucs2be,
        &mbfl_encoding_ucs2le,
        &mbfl_encoding_utf32,
        &mbfl_encoding_utf32be,
        &mbfl_encoding_utf32le,
        &mbfl_encoding_utf16,
        &mbfl_encoding_utf16be,
        &mbfl_encoding_utf16le,
        &mbfl_encoding_utf8,
        &mbfl_encoding_utf7,
        &mbfl_encoding_utf7imap,
        &mbfl_encoding_ascii,
        &mbfl_encoding_euc_jp,
        &mbfl_encoding_sjis,
        &mbfl_encoding_eucjp_win,
        &mbfl_encoding_eucjp2004,
        &mbfl_encoding_sjis_open,
        &mbfl_encoding_sjis_docomo,
        &mbfl_encoding_sjis_kddi,
        &mbfl_encoding_sjis_sb,
        &mbfl_encoding_sjis_mac,
        &mbfl_encoding_sjis2004,
        &mbfl_encoding_utf8_docomo,
        &mbfl_encoding_utf8_kddi_a,
        &mbfl_encoding_utf8_kddi_b,
        &mbfl_encoding_utf8_sb,
        &mbfl_encoding_cp932,
        &mbfl_encoding_cp51932,
        &mbfl_encoding_jis,
        &mbfl_encoding_2022jp,
        &mbfl_encoding_2022jpms,
        &mbfl_encoding_gb18030,
        &mbfl_encoding_cp1252,
        &mbfl_encoding_cp1254,
        &mbfl_encoding_8859_1,
        &mbfl_encoding_8859_2,
        &mbfl_encoding_8859_3,
        &mbfl_encoding_8859_4,
        &mbfl_encoding_8859_5,
        &mbfl_encoding_8859_6,
        &mbfl_encoding_8859_7,
        &mbfl_encoding_8859_8,
        &mbfl_encoding_8859_9,
        &mbfl_encoding_8859_10,
        &mbfl_encoding_8859_13,
        &mbfl_encoding_8859_14,
        &mbfl_encoding_8859_15,
        &mbfl_encoding_8859_16,
        &mbfl_encoding_euc_cn,
        &mbfl_encoding_cp936,
        &mbfl_encoding_hz,
        &mbfl_encoding_euc_tw,
        &mbfl_encoding_big5,
        &mbfl_encoding_cp950,
        &mbfl_encoding_euc_kr,
        &mbfl_encoding_uhc,
        &mbfl_encoding_2022kr,
        &mbfl_encoding_cp1251,
        &mbfl_encoding_cp866,
        &mbfl_encoding_koi8r,
        &mbfl_encoding_koi8u,
        &mbfl_encoding_armscii8,
        &mbfl_encoding_cp850,
        &mbfl_encoding_jis_ms,
        &mbfl_encoding_2022jp_2004,
        &mbfl_encoding_2022jp_kddi,
        &mbfl_encoding_cp50220,
        &mbfl_encoding_cp50220raw,
        &mbfl_encoding_cp50221,
        &mbfl_encoding_cp50222,
        NULL
};

/* encoding resolver */
const mbfl_encoding *
mbfl_name2encoding(const char *name)
{
        const mbfl_encoding *encoding;
        int i, j;

        if (name == NULL) {
                return NULL;
        }

        i = 0;
        while ((encoding = mbfl_encoding_ptr_list[i++]) != NULL){
                if (strcasecmp(encoding->name, name) == 0) {
                        return encoding;
                }
        }

        /* serch MIME charset name */
        i = 0;
        while ((encoding = mbfl_encoding_ptr_list[i++]) != NULL) {
                if (encoding->mime_name != NULL) {
                        if (strcasecmp(encoding->mime_name, name) == 0) {
                                return encoding;
                        }
                }
        }

        /* serch aliases */
        i = 0;
        while ((encoding = mbfl_encoding_ptr_list[i++]) != NULL) {
                if (encoding->aliases != NULL) {
                        j = 0;
                        while ((*encoding->aliases)[j] != NULL) {
                                if (strcasecmp((*encoding->aliases)[j], name) == 0) {
                                        return encoding;
                                }
                                j++;
                        }
                }
        }

        return NULL;
}

const mbfl_encoding *
mbfl_no2encoding(enum mbfl_no_encoding no_encoding)
{
        const mbfl_encoding *encoding;
        int i;

        i = 0;
        while ((encoding = mbfl_encoding_ptr_list[i++]) != NULL){
                if (encoding->no_encoding == no_encoding) {
                        return encoding;
                }
        }

        return NULL;
}

enum mbfl_no_encoding
mbfl_name2no_encoding(const char *name)
{
        const mbfl_encoding *encoding;

        encoding = mbfl_name2encoding(name);
        if (encoding == NULL) {
                return mbfl_no_encoding_invalid;
        } else {
                return encoding->no_encoding;
        }
}

const char *
mbfl_no_encoding2name(enum mbfl_no_encoding no_encoding)
{
        const mbfl_encoding *encoding;

        encoding = mbfl_no2encoding(no_encoding);
        if (encoding == NULL) {
                return "";
        } else {
                return encoding->name;
        }
}

const mbfl_encoding **
mbfl_get_supported_encodings(void)
{
        return mbfl_encoding_ptr_list;
}

const char *
mbfl_no2preferred_mime_name(enum mbfl_no_encoding no_encoding)
{
        const mbfl_encoding *encoding;

        encoding = mbfl_no2encoding(no_encoding);
        if (encoding != NULL && encoding->mime_name != NULL && encoding->mime_name[0] != '\0') {
                return encoding->mime_name;
        } else {
                return NULL;
        }
}

int
mbfl_is_support_encoding(const char *name)
{
        const mbfl_encoding *encoding;

        encoding = mbfl_name2encoding(name);
        if (encoding == NULL) {
                return 0;
        } else {
                return 1;
        }
}

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