-<?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 );
- }
-}