40f7d7632a
* Remove unnecessary duplicate documentation * Code tweaks Change-Id: I9c8c190bee58195eace08cba18a51e4572896ef7
100 lines
2.7 KiB
PHP
100 lines
2.7 KiB
PHP
<?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
|
|
*/
|
|
|
|
/**
|
|
* A class that extends LanguageConverterSpecific for converts that use
|
|
* ICU rule-based transliterators.
|
|
*
|
|
* @ingroup Language
|
|
*/
|
|
abstract class LanguageConverterIcu extends LanguageConverterSpecific {
|
|
|
|
/**
|
|
* @var Transliterator[]
|
|
*/
|
|
protected $mTransliterators;
|
|
|
|
/**
|
|
* Creates empty tables. mTransliterators will be used instead.
|
|
*
|
|
* @return array
|
|
*/
|
|
protected function loadDefaultTables(): array {
|
|
$tables = [];
|
|
foreach ( $this->getVariants() as $variant ) {
|
|
$tables[$variant] = new ReplacementArray();
|
|
}
|
|
return $tables;
|
|
}
|
|
|
|
public function translate( $text, $variant ) {
|
|
$text = parent::translate( $text, $variant );
|
|
if ( trim( $text ) ) {
|
|
$text = $this->icuTranslate( $text, $variant );
|
|
}
|
|
return $text;
|
|
}
|
|
|
|
/**
|
|
* Translate a string to a variant using ICU transliterator.
|
|
*
|
|
* @param string $text Text to convert
|
|
* @param string $variant Variant language code
|
|
* @return string Translated text
|
|
*/
|
|
public function icuTranslate( $text, $variant ) {
|
|
return $this->getTransliterators()[$variant]->transliterate( $text );
|
|
}
|
|
|
|
/**
|
|
* Get the array mapping variants to ICU transliteration rules.
|
|
* Subclasses must implement this.
|
|
*
|
|
* @return string[]
|
|
*/
|
|
abstract protected function getIcuRules();
|
|
|
|
/**
|
|
* Get the array mapping variants to ICU transliterators.
|
|
*
|
|
* @return Transliterator[]
|
|
*/
|
|
protected function getTransliterators() {
|
|
if ( $this->mTransliterators === null ) {
|
|
$this->mTransliterators = [];
|
|
foreach ( $this->getIcuRules() as $variant => $rule ) {
|
|
$this->mTransliterators[$variant] = Transliterator::createFromRules( $rule );
|
|
}
|
|
foreach ( $this->getTransliteratorAliases() as $alias => $variant ) {
|
|
$this->mTransliterators[$alias] = $this->mTransliterators[$variant];
|
|
}
|
|
}
|
|
return $this->mTransliterators;
|
|
}
|
|
|
|
/**
|
|
* Get the array mapping variant aliases to the main variant.
|
|
*
|
|
* @return string[]
|
|
*/
|
|
protected function getTransliteratorAliases() {
|
|
return [];
|
|
}
|
|
}
|