d8f54cae8b
The main goal is to simplify the construction of the LanguageConverter and avoid using constructors for derived classes. In order to hard-deprecate removed property, DeprecationHelper::deprecatePublicPropertyFallback was introduced. Bug: T253834 Change-Id: Ib167982e4e872cfdf0fbcb78b7ca597f5ac8d60a
97 lines
2.7 KiB
PHP
97 lines
2.7 KiB
PHP
<?php
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/**
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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*/
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/**
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* A class that extends LanguageConverterSpecific for converts that use
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* ICU rule-based transliterators.
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*
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* @ingroup Language
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*/
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abstract class LanguageConverterIcu extends LanguageConverterSpecific {
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/**
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* @var Transliterator[]
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*/
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protected $mTransliterators;
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/**
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* Creates empty tables. mTransliterators will be used instead.
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*/
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protected function loadDefaultTables() {
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$this->mTables = [];
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foreach ( $this->getVariants() as $variant ) {
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$this->mTables[$variant] = new ReplacementArray();
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}
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}
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public function translate( $text, $variant ) {
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$text = parent::translate( $text, $variant );
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if ( trim( $text ) ) {
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$text = $this->icuTranslate( $text, $variant );
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}
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return $text;
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}
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/**
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* Translate a string to a variant using ICU transliterator.
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*
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* @param string $text Text to convert
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* @param string $variant Variant language code
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* @return string Translated text
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*/
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public function icuTranslate( $text, $variant ) {
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return $this->getTransliterators()[$variant]->transliterate( $text );
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}
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/**
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* Get the array mapping variants to ICU transliteration rules.
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* Subclasses must implement this.
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*
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* @return string[]
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*/
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abstract protected function getIcuRules();
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/**
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* Get the array mapping variants to ICU transliterators.
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*
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* @return Transliterator[]
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*/
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protected function getTransliterators() {
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if ( $this->mTransliterators === null ) {
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$this->mTransliterators = [];
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foreach ( $this->getIcuRules() as $variant => $rule ) {
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$this->mTransliterators[$variant] = Transliterator::createFromRules( $rule );
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}
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foreach ( $this->getTransliteratorAliases() as $alias => $variant ) {
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$this->mTransliterators[$alias] = $this->mTransliterators[$variant];
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}
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}
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return $this->mTransliterators;
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}
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/**
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* Get the array mapping variant aliases to main variant.
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*
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* @return string[]
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*/
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protected function getTransliteratorAliases() {
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return [];
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}
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}
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