languages/classes/LanguageYue.php

   1 <?php
   2 /**
   3  * Cantonese (粵語) specific code.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup Language
  22  */
  23
  24 /**
  25  * Cantonese (粵語)
  26  *
  27  * @ingroup Language
  28  */
  29 class LanguageYue extends Language {
  30
  31         /**
  32          * @return bool
  33          */
  34         function hasWordBreaks() {
  35                 return false;
  36         }
  37
  38         /**
  39          * Eventually this should be a word segmentation;
  40          * for now just treat each character as a word.
  41          * @todo FIXME: Only do this for Han characters...
  42          *
  43          * @param string $string
  44          * @return string
  45          */
  46         function segmentByWord( $string ) {
  47                 $reg = "/([\\xc0-\\xff][\\x80-\\xbf]*)/";
  48                 $s = self::insertSpace( $string, $reg );
  49                 return $s;
  50         }
  51
  52         /**
  53          * @param string $string
  54          * @return string
  55          */
  56         function normalizeForSearch( $string ) {
  57                 // Double-width roman characters
  58                 $s = self::convertDoubleWidth( $string );
  59                 $s = trim( $s );
  60                 $s = parent::normalizeForSearch( $s );
  61
  62                 return $s;
  63         }
  64 }