LanguageZh.php

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<?php
class ZhConverter extends LanguageConverter {
    function __construct( $langobj, $maincode,
                                $variants = [],
                                $variantfallbacks = [],
                                $flags = [],
                                $manualLevel = [] ) {
        $this->mDescCodeSep = '：';
        $this->mDescVarSep = '；';
        parent::__construct( $langobj, $maincode,
                                    $variants,
                                    $variantfallbacks,
                                    $flags,
                                    $manualLevel );
        $names = [
            'zh' => '原文',
            'zh-hans' => '简体',
            'zh-hant' => '繁體',
            'zh-cn' => '大陆',
            'zh-tw' => '台灣',
            'zh-hk' => '香港',
            'zh-mo' => '澳門',
            'zh-sg' => '新加坡',
            'zh-my' => '大马',
        ];
        $this->mVariantNames = array_merge( $this->mVariantNames, $names );
    }

    function loadDefaultTables() {
        $this->mTables = [
            'zh-hans' => new ReplacementArray( MediaWiki\Languages\Data\ZhConversion::$zh2Hans ),
            'zh-hant' => new ReplacementArray( MediaWiki\Languages\Data\ZhConversion::$zh2Hant ),
            'zh-cn' => new ReplacementArray( MediaWiki\Languages\Data\ZhConversion::$zh2CN ),
            'zh-hk' => new ReplacementArray( MediaWiki\Languages\Data\ZhConversion::$zh2HK ),
            'zh-mo' => new ReplacementArray( MediaWiki\Languages\Data\ZhConversion::$zh2HK ),
            'zh-my' => new ReplacementArray( MediaWiki\Languages\Data\ZhConversion::$zh2CN ),
            'zh-sg' => new ReplacementArray( MediaWiki\Languages\Data\ZhConversion::$zh2CN ),
            'zh-tw' => new ReplacementArray( MediaWiki\Languages\Data\ZhConversion::$zh2TW ),
            'zh' => new ReplacementArray
        ];
    }

    function postLoadTables() {
        $this->mTables['zh-cn']->setArray(
            $this->mTables['zh-cn']->getArray() + $this->mTables['zh-hans']->getArray()
        );
        $this->mTables['zh-hk']->setArray(
            $this->mTables['zh-hk']->getArray() + $this->mTables['zh-hant']->getArray()
        );
        $this->mTables['zh-mo']->setArray(
            $this->mTables['zh-mo']->getArray() + $this->mTables['zh-hant']->getArray()
        );
        $this->mTables['zh-my']->setArray(
            $this->mTables['zh-my']->getArray() + $this->mTables['zh-hans']->getArray()
        );
        $this->mTables['zh-sg']->setArray(
            $this->mTables['zh-sg']->getArray() + $this->mTables['zh-hans']->getArray()
        );
        $this->mTables['zh-tw']->setArray(
            $this->mTables['zh-tw']->getArray() + $this->mTables['zh-hant']->getArray()
        );
    }

    function convertCategoryKey( $key ) {
        return $this->autoConvert( $key, 'zh' );
    }
}

class LanguageZh extends LanguageZh_hans {
    function __construct() {
        parent::__construct();

        $variants = [
            'zh',
            'zh-hans',
            'zh-hant',
            'zh-cn',
            'zh-hk',
            'zh-mo',
            'zh-my',
            'zh-sg',
            'zh-tw'
        ];

        $variantfallbacks = [
            'zh' => [ 'zh-hans', 'zh-hant', 'zh-cn', 'zh-tw', 'zh-hk', 'zh-sg', 'zh-mo', 'zh-my' ],
            'zh-hans' => [ 'zh-cn', 'zh-sg', 'zh-my' ],
            'zh-hant' => [ 'zh-tw', 'zh-hk', 'zh-mo' ],
            'zh-cn' => [ 'zh-hans', 'zh-sg', 'zh-my' ],
            'zh-sg' => [ 'zh-hans', 'zh-cn', 'zh-my' ],
            'zh-my' => [ 'zh-hans', 'zh-sg', 'zh-cn' ],
            'zh-tw' => [ 'zh-hant', 'zh-hk', 'zh-mo' ],
            'zh-hk' => [ 'zh-hant', 'zh-mo', 'zh-tw' ],
            'zh-mo' => [ 'zh-hant', 'zh-hk', 'zh-tw' ],
        ];
        $ml = [
            'zh' => 'disable',
            'zh-hans' => 'unidirectional',
            'zh-hant' => 'unidirectional',
        ];

        $this->mConverter = new ZhConverter( $this, 'zh',
                                $variants, $variantfallbacks,
                                [],
                                $ml );
    }

    function segmentForDiff( $text ) {
        return preg_replace( '/[\xc0-\xff][\x80-\xbf]*/', ' $0', $text );
    }

    function unsegmentForDiff( $text ) {
        return preg_replace( '/ ([\xc0-\xff][\x80-\xbf]*)/', '$1', $text );
    }

    function normalizeForSearch( $string, $autoVariant = 'zh-hans' ) {

        // always convert to zh-hans before indexing. it should be
        // better to use zh-hans for search, since conversion from
        // Traditional to Simplified is less ambiguous than the
        // other way around
        $s = $this->mConverter->autoConvert( $string, $autoVariant );
        // LanguageZh_hans::normalizeForSearch
        $s = parent::normalizeForSearch( $s );
        return $s;

    }

    function convertForSearchResult( $termsArray ) {
        $terms = implode( '|', $termsArray );
        $terms = self::convertDoubleWidth( $terms );
        $terms = implode( '|', $this->mConverter->autoConvertToAllVariants( $terms ) );
        $ret = array_unique( explode( '|', $terms ) );
        return $ret;
    }
}