trunk/lib/charconv.php

<?php
/* This file is part of BBClone (A PHP based Web Counter on Steroids)
 * 
 * SVN FILE $Id$
 *  
 * Copyright (C) 2001-2013, the BBClone Team (see doc/authors.txt for details)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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.
 *
 * See doc/copying.txt for details
 */

//////////////////////////////
// Character set conversion //
//////////////////////////////

function bbc_get_encoding($str) {
  global $BBC_LANGUAGE;

  switch ($BBC_LANGUAGE) {
    case "bg":
    case "mk":
    case "ru":
    case "uk":
      return mb_detect_encoding($str, "UTF-8, KOI8-R, Windows-1251");

    case "ja":
      return mb_detect_encoding($str, "JIS, UTF-8, EUC-JP, SJIS");

    case "ko":
      return mb_detect_encoding($str, "UTF-8, EUC-KR, ISO-2022-KR");

    default:
      // Note that iso-8859-1 is only a placeholder, the focus lies on detecting UTF-8...
      return (mb_detect_encoding($str, "UTF-8, iso-8859-1") == "UTF-8") ? "UTF-8" : false;
  }
}

function bbc_convert_keys($str, $from, $to) {
  if (($from !== false) && defined("_BBC_MBSTRING") && preg_match(":iso-8859-|EUC-(JP|KR)|gb2312:", $to) ||
      (!empty($BBC_CUSTOM_CHARSET) && stristr("UTF", $BBC_CUSTOM_CHARSET))) {
      return mb_convert_encoding($str, $to, $from);
  }
  elseif (($from !== false) && defined("_BBC_ICONV")) return iconv($from, $to."//TRANSLIT", $str);
  elseif (defined("_BBC_RECODE")) return recode_string($to, $str);

  else return $str;
}

// Note: Specify $BBC_CUSTOM_CHARSET to overwrite the default character set.
function bbc_convert_lang($str, $from, $char) {
  global $BBC_LANGUAGE;

  if (!empty($char)) return bbc_convert_keys($str, $from, $char);

  switch ($BBC_LANGUAGE) {

// Cyrillic encodings
    case "bg":
    case "mk":
    case "ru":
    case "uk":
      return bbc_convert_keys($str, $from, "Windows-1251");

// Central and East European encodings
    case "bs":
    case "cs":
    case "hu":
    case "pl":
    case "ro":
    case "sk":
    case "sl":
      return bbc_convert_keys($str, $from, "iso-8859-2");

// Various encodings
    case "ar":
      return bbc_convert_keys($str, $from, "Windows-1256");

    case "el":
      return bbc_convert_keys($str, $from, "iso-8859-7");

    case "ja":
      return bbc_convert_keys($str, $from, "EUC-JP");

    case "ko":
      return bbc_convert_keys($str, $from, "EUC-KR");

    case "lt":
      return bbc_convert_keys($str, $from, "Windows-1257");

    case "tr":
      return bbc_convert_keys($str, $from, "Windows-1254");

    case "zh-cn":
      return bbc_convert_keys($str, $from, "gb2312");

    case "zh-tw":
      return bbc_convert_keys($str, $from, "big5");

// All remaining languages not mentioned anywhere else
    default:
      return bbc_convert_keys($str, $from, "iso-8859-15");
  }
}
?>
Revision:	16
Committed:	Thu Nov 21 13:07:39 2013 UTC (11 years ago) by matthys
File size:	3330 byte(s)
Log Message:	Cleanup code.
#	User	Rev	Content
1	matthys	15	<?php
2			/* This file is part of BBClone (A PHP based Web Counter on Steroids)
3			*
4	matthys	16	* SVN FILE $Id$
5	matthys	15	*
6	matthys	16	* Copyright (C) 2001-2013, the BBClone Team (see doc/authors.txt for details)
7	matthys	15	*
8			* This program is free software: you can redistribute it and/or modify
9			* it under the terms of the GNU General Public License as published by
10			* the Free Software Foundation, either version 3 of the License, or
11			* (at your option) any later version.
12			*
13			* This program is distributed in the hope that it will be useful,
14			* but WITHOUT ANY WARRANTY; without even the implied warranty of
15			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16			* GNU General Public License for more details.
17			*
18			* See doc/copying.txt for details
19			*/
20
21			//////////////////////////////
22			// Character set conversion //
23			//////////////////////////////
24
25			function bbc_get_encoding($str) {
26			global $BBC_LANGUAGE;
27
28			switch ($BBC_LANGUAGE) {
29			case "bg":
30			case "mk":
31			case "ru":
32			case "uk":
33			return mb_detect_encoding($str, "UTF-8, KOI8-R, Windows-1251");
34
35			case "ja":
36			return mb_detect_encoding($str, "JIS, UTF-8, EUC-JP, SJIS");
37
38			case "ko":
39			return mb_detect_encoding($str, "UTF-8, EUC-KR, ISO-2022-KR");
40
41			default:
42			// Note that iso-8859-1 is only a placeholder, the focus lies on detecting UTF-8...
43			return (mb_detect_encoding($str, "UTF-8, iso-8859-1") == "UTF-8") ? "UTF-8" : false;
44			}
45			}
46
47			function bbc_convert_keys($str, $from, $to) {
48			if (($from !== false) && defined("_BBC_MBSTRING") && preg_match(":iso-8859-\|EUC-(JP\|KR)\|gb2312:", $to) \|\|
49			(!empty($BBC_CUSTOM_CHARSET) && stristr("UTF", $BBC_CUSTOM_CHARSET))) {
50			return mb_convert_encoding($str, $to, $from);
51			}
52			elseif (($from !== false) && defined("_BBC_ICONV")) return iconv($from, $to."//TRANSLIT", $str);
53			elseif (defined("_BBC_RECODE")) return recode_string($to, $str);
54
55			else return $str;
56			}
57
58			// Note: Specify $BBC_CUSTOM_CHARSET to overwrite the default character set.
59			function bbc_convert_lang($str, $from, $char) {
60			global $BBC_LANGUAGE;
61
62			if (!empty($char)) return bbc_convert_keys($str, $from, $char);
63
64			switch ($BBC_LANGUAGE) {
65
66			// Cyrillic encodings
67			case "bg":
68			case "mk":
69			case "ru":
70			case "uk":
71			return bbc_convert_keys($str, $from, "Windows-1251");
72
73			// Central and East European encodings
74			case "bs":
75			case "cs":
76			case "hu":
77			case "pl":
78			case "ro":
79			case "sk":
80			case "sl":
81			return bbc_convert_keys($str, $from, "iso-8859-2");
82
83			// Various encodings
84			case "ar":
85			return bbc_convert_keys($str, $from, "Windows-1256");
86
87			case "el":
88			return bbc_convert_keys($str, $from, "iso-8859-7");
89
90			case "ja":
91			return bbc_convert_keys($str, $from, "EUC-JP");
92
93			case "ko":
94			return bbc_convert_keys($str, $from, "EUC-KR");
95
96			case "lt":
97			return bbc_convert_keys($str, $from, "Windows-1257");
98
99			case "tr":
100			return bbc_convert_keys($str, $from, "Windows-1254");
101
102			case "zh-cn":
103			return bbc_convert_keys($str, $from, "gb2312");
104
105			case "zh-tw":
106			return bbc_convert_keys($str, $from, "big5");
107
108			// All remaining languages not mentioned anywhere else
109			default:
110			return bbc_convert_keys($str, $from, "iso-8859-15");
111			}
112			}
113			?>