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   1  <?php
   2  /* $Id: iconv_wrapper.lib.php 8629 2006-02-22 08:26:32Z nijel $ */
   3  // vim: expandtab sw=4 ts=4 sts=4:
   4  
   5  # GNU iconv code set to IBM AIX libiconv code set table
   6  # Keys of this table should be in lowercase, and searches should be performed using lowercase!
   7  $gnu_iconv_to_aix_iconv_codepage_map = array (
   8      // "iso-8859-[1-9]" --> "ISO8859-[1-9]" according to http://publibn.boulder.ibm.com/doc_link/en_US/a_doc_lib/libs/basetrf2/setlocale.htm
   9      'iso-8859-1' => 'ISO8859-1',
  10      'iso-8859-2' => 'ISO8859-2',
  11      'iso-8859-3' => 'ISO8859-3',
  12      'iso-8859-4' => 'ISO8859-4',
  13      'iso-8859-5' => 'ISO8859-5',
  14      'iso-8859-6' => 'ISO8859-6',
  15      'iso-8859-7' => 'ISO8859-7',
  16      'iso-8859-8' => 'ISO8859-8',
  17      'iso-8859-9' => 'ISO8859-9',
  18  
  19      // "big5" --> "IBM-eucTW" according to http://kadesh.cepba.upc.es/mancpp/classref/ref/ITranscoder_DSC.htm
  20      'big5' => 'IBM-eucTW',
  21  
  22      // Other mappings corresponding to the phpMyAdmin dropdown box when using the AllowAnywhereRecoding feature
  23      'euc-jp' => 'IBM-eucJP',
  24      'koi8-r' => 'IBM-eucKR',
  25      'ks_c_5601-1987' => 'KSC5601.1987-0',
  26      'tis-620' => 'TIS-620',
  27      'utf-8' => 'UTF-8'
  28  );
  29  
  30  /**
  31   * Wrapper around IBM AIX iconv(), whose character set naming differs
  32   * from the GNU version of iconv().
  33   *
  34   * @param   string   input character set
  35   * @param   string   output character set
  36   * @param   string   the string to convert
  37   *
  38   * @return  mixed    converted string or FALSE on failure
  39   *
  40   * @access  public
  41   *
  42   * @author  bwiberg  Björn Wiberg <Bjorn.Wiberg@its.uu.se> 
  43   */
  44  function PMA_aix_iconv_wrapper($in_charset, $out_charset, $str) {
  45  
  46      global $gnu_iconv_to_aix_iconv_codepage_map;
  47  
  48      // Check for transliteration argument at the end of output character set name
  49      $translit_search = strpos(strtolower($out_charset), '//translit');
  50      $using_translit = (!($translit_search === FALSE));
  51  
  52      // Extract "plain" output character set name (without any transliteration argument)
  53      $out_charset_plain = ( $using_translit ? substr($out_charset, 0, $translit_search) : $out_charset );
  54  
  55      // Transform name of input character set (if found)
  56      if (array_key_exists(strtolower($in_charset), $gnu_iconv_to_aix_iconv_codepage_map)) {
  57          $in_charset = $gnu_iconv_to_aix_iconv_codepage_map[strtolower($in_charset)];
  58      }
  59  
  60      // Transform name of "plain" output character set (if found)
  61      if (array_key_exists(strtolower($out_charset_plain), $gnu_iconv_to_aix_iconv_codepage_map)) {
  62          $out_charset_plain = $gnu_iconv_to_aix_iconv_codepage_map[strtolower($out_charset_plain)];
  63      }
  64  
  65      // Add transliteration argument again (exactly as specified by user) if used
  66      // Build the output character set name that we will use
  67      $out_charset = ( $using_translit ? $out_charset_plain . substr($out_charset, $translit_search) : $out_charset_plain );
  68  
  69      // NOTE: Transliteration not supported; we will use the "plain" output character set name
  70      $out_charset = $out_charset_plain;
  71  
  72      // Call iconv() with the possibly modified parameters
  73      $result = iconv($in_charset, $out_charset, $str);
  74      return $result;
  75  } //  end of the "PMA_aix_iconv_wrapper()" function
  76  
  77  ?>