libraries/kanji-encoding.lib.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Set of functions for kanji-encoding convert (available only with japanese
   5  * language)
   6  *
   7  * PHP4 configure requirements:
   8  *     --enable-mbstring --enable-mbstr-enc-trans --enable-mbregex
   9  *
  10  * 2002/2/22 - by Yukihiro Kawada <kawada@den.fujifilm.co.jp>
  11  *
  12  * @package PhpMyAdmin
  13  */
  14 if (! defined('PHPMYADMIN')) {
  15     exit;
  16 }
  17
  18 /**
  19  * Gets the php internal encoding codes and sets the available encoding
  20  * codes list
  21  * 2002/1/4 by Y.Kawada
  22  *
  23  * @global  string   the available encoding codes list
  24  *
  25  * @return boolean  always true
  26  */
  27 function PMA_Kanji_checkEncoding()
  28 {
  29     global $kanji_encoding_list;
  30
  31     $internal_enc = mb_internal_encoding();
  32     if ($internal_enc == 'EUC-JP') {
  33         $kanji_encoding_list = 'ASCII,EUC-JP,SJIS,JIS';
  34     } else {
  35         $kanji_encoding_list = 'ASCII,SJIS,EUC-JP,JIS';
  36     }
  37
  38     return true;
  39 } // end of the 'PMA_Kanji_checkEncoding' function
  40
  41
  42 /**
  43  * Reverses SJIS & EUC-JP position in the encoding codes list
  44  * 2002/1/4 by Y.Kawada
  45  *
  46  * @global  string   the available encoding codes list
  47  *
  48  * @return boolean  always true
  49  */
  50 function PMA_Kanji_changeOrder()
  51 {
  52     global $kanji_encoding_list;
  53
  54     $parts = explode(',', $kanji_encoding_list);
  55     if ($parts[1] == 'EUC-JP') {
  56         $kanji_encoding_list = 'ASCII,SJIS,EUC-JP,JIS';
  57     } else {
  58         $kanji_encoding_list = 'ASCII,EUC-JP,SJIS,JIS';
  59     }
  60
  61     return true;
  62 } // end of the 'PMA_Kanji_changeOrder' function
  63
  64
  65 /**
  66  * Kanji string encoding convert
  67  * 2002/1/4 by Y.Kawada
  68  *
  69  * @param string $str  the string to convert
  70  * @param string $enc  the destination encoding code
  71  * @param string $kana set 'kana' convert to JIS-X208-kana
  72  *
  73  * @global  string   the available encoding codes list
  74  *
  75  * @return string   the converted string
  76  */
  77 function PMA_Kanji_strConv($str, $enc, $kana)
  78 {
  79     global $kanji_encoding_list;
  80
  81     if ($enc == '' && $kana == '') {
  82         return $str;
  83     }
  84     $string_encoding = mb_detect_encoding($str, $kanji_encoding_list);
  85
  86     if ($kana == 'kana') {
  87         $dist = mb_convert_kana($str, 'KV', $string_encoding);
  88         $str  = $dist;
  89     }
  90     if ($string_encoding != $enc && $enc != '') {
  91         $dist = mb_convert_encoding($str, $enc, $string_encoding);
  92     } else {
  93         $dist = $str;
  94     }
  95     return $dist;
  96 } // end of the 'PMA_Kanji_strConv' function
  97
  98
  99 /**
 100  * Kanji file encoding convert
 101  * 2002/1/4 by Y.Kawada
 102  *
 103  * @param string $file the name of the file to convert
 104  * @param string $enc  the destination encoding code
 105  * @param string $kana set 'kana' convert to JIS-X208-kana
 106  *
 107  * @return string   the name of the converted file
 108  */
 109 function PMA_Kanji_fileConv($file, $enc, $kana)
 110 {
 111     if ($enc == '' && $kana == '') {
 112         return $file;
 113     }
 114
 115     $tmpfname = tempnam('', $enc);
 116     $fpd      = fopen($tmpfname, 'wb');
 117     $fps      = fopen($file, 'r');
 118     PMA_Kanji_changeOrder();
 119     while (!feof($fps)) {
 120         $line = fgets($fps, 4096);
 121         $dist = PMA_Kanji_strConv($line, $enc, $kana);
 122         fputs($fpd, $dist);
 123     } // end while
 124     PMA_Kanji_changeOrder();
 125     fclose($fps);
 126     fclose($fpd);
 127     unlink($file);
 128
 129     return $tmpfname;
 130 } // end of the 'PMA_Kanji_fileConv' function
 131
 132
 133 /**
 134  * Defines radio form fields to switch between encoding modes
 135  * 2002/1/4 by Y.Kawada
 136  *
 137  * @return string   xhtml code for the radio controls
 138  */
 139 function PMA_Kanji_encodingForm()
 140 {
 141     return "\n"
 142         . '<ul>' . "\n" . '<li>'
 143         . '<input type="radio" name="knjenc" value="" checked="checked" '
 144         . 'id="kj-none" />'
 145         . '<label for="kj-none">'
 146         /* l10n: This is currently used only in Japanese locales */
 147         . _pgettext('None encoding conversion', 'None')
 148         . "</label>\n"
 149         . '<input type="radio" name="knjenc" value="EUC-JP" id="kj-euc" />'
 150         . '<label for="kj-euc">EUC</label>' . "\n"
 151         . '<input type="radio" name="knjenc" value="SJIS" id="kj-sjis" />'
 152         . '<label for="kj-sjis">SJIS</label>' . "\n"
 153         . '</li>' . "\n" . '<li>'
 154         . '<input type="checkbox" name="xkana" value="kana" id="kj-kana" />'
 155         . "\n"
 156         . '<label for="kj-kana">'
 157         /* l10n: This is currently used only in Japanese locales */
 158         . __('Convert to Kana')
 159         . '</label><br />'
 160         . "\n"
 161         . '</li>' . "\n" . '</ul>'
 162         ;
 163 } // end of the 'PMA_Kanji_encodingForm' function
 164
 165
 166 PMA_Kanji_checkEncoding();
 167
 168 ?>