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 current encoding code
  24  * @global  string   the available encoding codes list
  25  *
  26  * @return boolean  always true
  27  */
  28 function PMA_internal_enc_check()
  29 {
  30     global $internal_enc, $enc_list;
  31
  32     $internal_enc = mb_internal_encoding();
  33     if ($internal_enc == 'EUC-JP') {
  34         $enc_list = 'ASCII,EUC-JP,SJIS,JIS';
  35     } else {
  36         $enc_list = 'ASCII,SJIS,EUC-JP,JIS';
  37     }
  38
  39     return true;
  40 } // end of the 'PMA_internal_enc_check' function
  41
  42
  43 /**
  44  * Reverses SJIS & EUC-JP position in the encoding codes list
  45  * 2002/1/4 by Y.Kawada
  46  *
  47  * @global  string   the available encoding codes list
  48  *
  49  * @return boolean  always true
  50  */
  51 function PMA_change_enc_order()
  52 {
  53     global $enc_list;
  54
  55     $p            = explode(',', $enc_list);
  56     if ($p[1] == 'EUC-JP') {
  57         $enc_list = 'ASCII,SJIS,EUC-JP,JIS';
  58     } else {
  59         $enc_list = 'ASCII,EUC-JP,SJIS,JIS';
  60     }
  61
  62     return true;
  63 } // end of the 'PMA_change_enc_order' function
  64
  65
  66 /**
  67  * Kanji string encoding convert
  68  * 2002/1/4 by Y.Kawada
  69  *
  70  * @param string $str  the string to convert
  71  * @param string $enc  the destination encoding code
  72  * @param string $kana set 'kana' convert to JIS-X208-kana
  73  *
  74  * @global  string   the available encoding codes list
  75  *
  76  * @return string   the converted string
  77  */
  78 function PMA_kanji_str_conv($str, $enc, $kana)
  79 {
  80     global $enc_list;
  81
  82     if ($enc == '' && $kana == '') {
  83         return $str;
  84     }
  85     $nw       = mb_detect_encoding($str, $enc_list);
  86
  87     if ($kana == 'kana') {
  88         $dist = mb_convert_kana($str, 'KV', $nw);
  89         $str  = $dist;
  90     }
  91     if ($nw != $enc && $enc != '') {
  92         $dist = mb_convert_encoding($str, $enc, $nw);
  93     } else {
  94         $dist = $str;
  95     }
  96     return $dist;
  97 } // end of the 'PMA_kanji_str_conv' function
  98
  99
 100 /**
 101  * Kanji file encoding convert
 102  * 2002/1/4 by Y.Kawada
 103  *
 104  * @param string $file the name of the file to convert
 105  * @param string $enc  the destination encoding code
 106  * @param string $kana set 'kana' convert to JIS-X208-kana
 107  *
 108  * @return string   the name of the converted file
 109  */
 110 function PMA_kanji_file_conv($file, $enc, $kana)
 111 {
 112     if ($enc == '' && $kana == '') {
 113         return $file;
 114     }
 115
 116     $tmpfname = tempnam('', $enc);
 117     $fpd      = fopen($tmpfname, 'wb');
 118     $fps      = fopen($file, 'r');
 119     PMA_change_enc_order();
 120     while (!feof($fps)) {
 121         $line = fgets($fps, 4096);
 122         $dist = PMA_kanji_str_conv($line, $enc, $kana);
 123         fputs($fpd, $dist);
 124     } // end while
 125     PMA_change_enc_order();
 126     fclose($fps);
 127     fclose($fpd);
 128     unlink($file);
 129
 130     return $tmpfname;
 131 } // end of the 'PMA_kanji_file_conv' function
 132
 133
 134 /**
 135  * Defines radio form fields to switch between encoding modes
 136  * 2002/1/4 by Y.Kawada
 137  *
 138  * @param string $spaces spaces character to prepend the output with
 139  *
 140  * @return string   xhtml code for the radio controls
 141  */
 142 function PMA_set_enc_form($spaces)
 143 {
 144     return "\n"
 145              /* l10n: This is currently used only in Japanese locales */
 146            . $spaces . '<ul>' . "\n" . '<li>'
 147            . $spaces . '<input type="radio" name="knjenc" value="" checked="checked" id="kj-none" /><label for="kj-none">' . _pgettext('None encoding conversion', 'None') . "</label>\n"
 148            . $spaces . '<input type="radio" name="knjenc" value="EUC-JP" id="kj-euc" /><label for="kj-euc">EUC</label>' . "\n"
 149            . $spaces . '<input type="radio" name="knjenc" value="SJIS" id="kj-sjis" /><label for="kj-sjis">SJIS</label>' . "\n"
 150            . $spaces . '</li>' . "\n" . '<li>'
 151            . $spaces . '<input type="checkbox" name="xkana" value="kana" id="kj-kana" />' . "\n"
 152            /* l10n: This is currently used only in Japanese locales */
 153            . $spaces . '<label for="kj-kana">' . __('Convert to Kana') . '</label><br />' . "\n"
 154            . $spaces . '</li>' . "\n" . '</ul>'
 155            ;
 156 } // end of the 'PMA_set_enc_form' function
 157
 158
 159 PMA_internal_enc_check();
 160
 161 ?>