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Diffstat (limited to 'www/wiki/includes/collation/CollationFa.php')
-rw-r--r-- | www/wiki/includes/collation/CollationFa.php | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/www/wiki/includes/collation/CollationFa.php b/www/wiki/includes/collation/CollationFa.php new file mode 100644 index 00000000..7410886e --- /dev/null +++ b/www/wiki/includes/collation/CollationFa.php @@ -0,0 +1,60 @@ +<?php +/** + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * http://www.gnu.org/copyleft/gpl.html + * + * @file + */ + +/** + * Temporary workaround for incorrect collation of Persian language ('fa') in ICU 52 (bug T139110). + * + * Replace with other letters that appear in an okish spot in the alphabet + * + * - Characters 'و' 'ا' (often appear at the beginning of words) + * - Characters 'ٲ' 'ٳ' (may appear at the beginning of words in loanwords) + * + * @since 1.29 + */ +class CollationFa extends IcuCollation { + + // Really hacky - replace with stuff from other blocks. + private $override = [ + // U+0627 ARABIC LETTER ALEF => U+0623 ARABIC LETTER ALEF WITH HAMZA ABOVE + "\xd8\xa7" => "\xd8\xa3", + // U+0648 ARABIC LETTER WAW => U+0649 ARABIC LETTER ALEF MAKSURA + "\xd9\x88" => "\xd9\x89", + // U+0672 ARABIC LETTER ALEF WITH WAVY HAMZA ABOVE => U+F3001 (private use area) + "\xd9\xb2" => "\xF3\xB3\x80\x81", + // U+0673 ARABIC LETTER ALEF WITH WAVY HAMZA BELOW => U+F3002 (private use area) + "\xd9\xb3" => "\xF3\xB3\x80\x82", + ]; + + public function __construct() { + parent::__construct( 'fa' ); + } + + public function getSortKey( $string ) { + $modified = strtr( $string, $this->override ); + return parent::getSortKey( $modified ); + } + + public function getFirstLetter( $string ) { + if ( isset( $this->override[substr( $string, 0, 2 )] ) ) { + return substr( $string, 0, 2 ); + } + return parent::getFirstLetter( $string ); + } +} |