languages/classes/LanguageYue.php

   1 <?php
   2 /**
   3  * @ingroup Language
   4  */
   5 class LanguageYue extends Language {
   6         function stripForSearch( $string ) {
   7                 wfProfileIn( __METHOD__ );
   8                 global $wgSearchType;
   9
  10                 $s = $string;
  11
  12                 // Double-width roman characters: ff00-ff5f ~= 0020-007f
  13                 $s = preg_replace( '/\xef\xbc([\x80-\xbf])/e', 'chr((ord("$1") & 0x3f) + 0x20)', $s );
  14                 $s = preg_replace( '/\xef\xbd([\x80-\x99])/e', 'chr((ord("$1") & 0x3f) + 0x60)', $s );
  15
  16                 if ( $wgSearchType != 'LuceneSearch' ) {
  17                         // eventually this should be a word segmentation;
  18                         // for now just treat each character as a word.
  19                         // Not for LuceneSearch, because LSearch will
  20                         // split the text to words itself.
  21                         // @todo Fixme: only do this for Han characters...
  22                         $s = preg_replace(
  23                                         "/([\\xc0-\\xff][\\x80-\\xbf]*)/",
  24                                         " $1 ", $s);
  25                         $s = preg_replace( '/ +/', ' ', $s );
  26                 }
  27
  28                 $s = trim( $s );
  29
  30                 // Do general case folding and UTF-8 armoring
  31                 $s = parent::stripForSearch( $s );
  32                 wfProfileOut( __METHOD__ );
  33                 return $s;
  34         }
  35 }