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 $kanji_encoding_list 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 $kanji_encoding_list 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 $kanji_encoding_list the available encoding codes list
  74  *
  75  * @return string   the converted string
  76  */
  77 function PMA_Kanji_strConv($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, $kanji_encoding_list);
  85     if ($string_encoding === false) {
  86         $string_encoding = 'utf-8';
  87     }
  88
  89     if ($kana == 'kana') {
  90         $dist = mb_convert_kana($str, 'KV', $string_encoding);
  91         $str  = $dist;
  92     }
  93     if ($string_encoding != $enc && $enc != '') {
  94         $dist = mb_convert_encoding($str, $enc, $string_encoding);
  95     } else {
  96         $dist = $str;
  97     }
  98     return $dist;
  99 } // end of the 'PMA_Kanji_strConv' function
 100
 101
 102 /**
 103  * Kanji file encoding convert
 104  * 2002/1/4 by Y.Kawada
 105  *
 106  * @param string $file the name of the file to convert
 107  * @param string $enc  the destination encoding code
 108  * @param string $kana set 'kana' convert to JIS-X208-kana
 109  *
 110  * @return string   the name of the converted file
 111  */
 112 function PMA_Kanji_fileConv($file, $enc, $kana)
 113 {
 114     if ($enc == '' && $kana == '') {
 115         return $file;
 116     }
 117
 118     $tmpfname = tempnam('', $enc);
 119     $fpd      = fopen($tmpfname, 'wb');
 120     $fps      = fopen($file, 'r');
 121     PMA_Kanji_changeOrder();
 122     while (!feof($fps)) {
 123         $line = fgets($fps, 4096);
 124         $dist = PMA_Kanji_strConv($line, $enc, $kana);
 125         fputs($fpd, $dist);
 126     } // end while
 127     PMA_Kanji_changeOrder();
 128     fclose($fps);
 129     fclose($fpd);
 130     unlink($file);
 131
 132     return $tmpfname;
 133 } // end of the 'PMA_Kanji_fileConv' function
 134
 135
 136 /**
 137  * Defines radio form fields to switch between encoding modes
 138  * 2002/1/4 by Y.Kawada
 139  *
 140  * @return string   xhtml code for the radio controls
 141  */
 142 function PMA_Kanji_encodingForm()
 143 {
 144     return "\n"
 145         . '<ul>' . "\n" . '<li>'
 146         . '<input type="radio" name="knjenc" value="" checked="checked" '
 147         . 'id="kj-none" />'
 148         . '<label for="kj-none">'
 149         /* l10n: This is currently used only in Japanese locales */
 150         . _pgettext('None encoding conversion', 'None')
 151         . "</label>\n"
 152         . '<input type="radio" name="knjenc" value="EUC-JP" id="kj-euc" />'
 153         . '<label for="kj-euc">EUC</label>' . "\n"
 154         . '<input type="radio" name="knjenc" value="SJIS" id="kj-sjis" />'
 155         . '<label for="kj-sjis">SJIS</label>' . "\n"
 156         . '</li>' . "\n" . '<li>'
 157         . '<input type="checkbox" name="xkana" value="kana" id="kj-kana" />'
 158         . "\n"
 159         . '<label for="kj-kana">'
 160         /* l10n: This is currently used only in Japanese locales */
 161         . __('Convert to Kana')
 162         . '</label><br />'
 163         . "\n"
 164         . '</li>' . "\n" . '</ul>'
 165         ;
 166 } // end of the 'PMA_Kanji_encodingForm' function
 167
 168
 169 PMA_Kanji_checkEncoding();
 170