CrhConverter.php

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<?php
class CrhConverter extends LanguageConverterSpecific {
    // Defines working character ranges
 
    // Cyrillic
    # Crimean Tatar Cyrillic uppercase
    public const C_UC = 'АБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ';
    # Crimean Tatar Cyrillic lowercase
    public const C_LC = 'абвгдеёжзийклмнопрстуфхцчшщъыьэюя';
    # Crimean Tatar Cyrillic + CÑ uppercase consonants
    public const C_CONS_UC = 'БВГДЖЗЙКЛМНПРСТФХЦЧШЩCÑ';
    # Crimean Tatar Cyrillic + CÑ lowercase consonants
    public const C_CONS_LC = 'бвгджзйклмнпрстфхцчшщcñ';
    # Crimean Tatar Cyrillic M-type consonants
    public const C_M_CONS = 'бгкмшcБГКМШC';
 
    // Crimean Tatar Cyrillic + CÑ consonants
    public const C_CONS = 'бвгджзйклмнпрстфхцчшщcñБВГДЖЗЙКЛМНПРСТФХЦЧШЩCÑ';
 
    // Latin
    # Crimean Tatar Latin uppercase
    public const L_UC = 'AÂBCÇDEFGĞHIİJKLMNÑOÖPQRSŞTUÜVYZ';
    # Crimean Tatar Latin lowercase
    public const L_LC = 'aâbcçdefgğhıijklmnñoöpqrsştuüvyz';
    # Crimean Tatar Latin N-type upper case consonants
    public const L_N_CONS_UC = 'ÇNRSTZ';
    # Crimean Tatar Latin N-type lower case consonants
    public const L_N_CONS_LC = 'çnrstz';
    # Crimean Tatar Latin N-type consonants
    public const L_N_CONS = 'çnrstzÇNRSTZ';
    # Crimean Tatar Latin M-type consonants
    public const L_M_CONS = 'bcgkmpşBCGKMPŞ';
    # Crimean Tatar Latin uppercase consonants
    public const L_CONS_UC = 'BCÇDFGĞHJKLMNÑPQRSŞTVZ';
    # Crimean Tatar Latin lowercase consonants
    public const L_CONS_LC = 'bcçdfgğhjklmnñpqrsştvz';
    # Crimean Tatar Latin consonants
    public const L_CONS = 'bcçdfgğhjklmnñpqrsştvzBCÇDFGĞHJKLMNÑPQRSŞTVZ';
    # Crimean Tatar Latin uppercase vowels
    public const L_VOW_UC = 'AÂEIİOÖUÜ';
    # Crimean Tatar Latin vowels
    public const L_VOW = 'aâeıioöuüAÂEIİOÖUÜ';
    # Crimean Tatar Latin uppercase front vowels
    public const L_F_UC = 'EİÖÜ';
    # Crimean Tatar Latin front vowels
    public const L_F = 'eiöüEİÖÜ';
 
    public function __construct( $langobj ) {
        $variants = [ 'crh', 'crh-cyrl', 'crh-latn' ];
        $variantfallbacks = [
            'crh' => 'crh-latn',
            'crh-cyrl' => 'crh-latn',
            'crh-latn' => 'crh-cyrl',
        ];
 
        parent::__construct( $langobj, 'crh',
            $variants, $variantfallbacks, [] );
 
        // No point delaying this since they're in code.
        // Waiting until loadDefaultTables() means they never get loaded
        // when the tables themselves are loaded from cache.
        $this->loadExceptions();
    }
 
    public $mCyrillicToLatin = [
 
        ## these are independent of location in the word, but have
        ## to go first so other transforms don't bleed them
        'гъ' => 'ğ', 'Гъ' => 'Ğ', 'ГЪ' => 'Ğ',
        'къ' => 'q', 'Къ' => 'Q', 'КЪ' => 'Q',
        'нъ' => 'ñ', 'Нъ' => 'Ñ', 'НЪ' => 'Ñ',
        'дж' => 'c', 'Дж' => 'C', 'ДЖ' => 'C',
 
        'А' => 'A', 'а' => 'a', 'Б' => 'B', 'б' => 'b',
        'В' => 'V', 'в' => 'v', 'Г' => 'G', 'г' => 'g',
        'Д' => 'D', 'д' => 'd', 'Ж' => 'J', 'ж' => 'j',
        'З' => 'Z', 'з' => 'z', 'И' => 'İ', 'и' => 'i',
        'Й' => 'Y', 'й' => 'y', 'К' => 'K', 'к' => 'k',
        'Л' => 'L', 'л' => 'l', 'М' => 'M', 'м' => 'm',
        'Н' => 'N', 'н' => 'n', 'П' => 'P', 'п' => 'p',
        'Р' => 'R', 'р' => 'r', 'С' => 'S', 'с' => 's',
        'Т' => 'T', 'т' => 't', 'Ф' => 'F', 'ф' => 'f',
        'Х' => 'H', 'х' => 'h', 'Ч' => 'Ç', 'ч' => 'ç',
        'Ш' => 'Ş', 'ш' => 'ş', 'Ы' => 'I', 'ы' => 'ı',
        'Э' => 'E', 'э' => 'e', 'Е' => 'E', 'е' => 'e',
        'Я' => 'Â', 'я' => 'â', 'У' => 'U', 'у' => 'u',
        'О' => 'O', 'о' => 'o',
 
        'Ё' => 'Yo', 'ё' => 'yo', 'Ю' => 'Yu', 'ю' => 'yu',
        'Ц' => 'Ts', 'ц' => 'ts', 'Щ' => 'Şç', 'щ' => 'şç',
        'Ь' => '', 'ь' => '', 'Ъ' => '', 'ъ' => '',
 
    ];
 
    public $mLatinToCyrillic = [
        'Â' => 'Я', 'â' => 'я', 'B' => 'Б', 'b' => 'б',
        'Ç' => 'Ч', 'ç' => 'ч', 'D' => 'Д', 'd' => 'д',
        'F' => 'Ф', 'f' => 'ф', 'G' => 'Г', 'g' => 'г',
        'H' => 'Х', 'h' => 'х', 'I' => 'Ы', 'ı' => 'ы',
        'İ' => 'И', 'i' => 'и', 'J' => 'Ж', 'j' => 'ж',
        'K' => 'К', 'k' => 'к', 'L' => 'Л', 'l' => 'л',
        'M' => 'М', 'm' => 'м', 'N' => 'Н', 'n' => 'н',
        'O' => 'О', 'o' => 'о', 'P' => 'П', 'p' => 'п',
        'R' => 'Р', 'r' => 'р', 'S' => 'С', 's' => 'с',
        'Ş' => 'Ш', 'ş' => 'ш', 'T' => 'Т', 't' => 'т',
        'V' => 'В', 'v' => 'в', 'Z' => 'З', 'z' => 'з',
 
        'ya' => 'я', 'Ya' => 'Я', 'YA' => 'Я',
        'ye' => 'е', 'YE' => 'Е', 'Ye' => 'Е',
 
        // hack, hack, hack
        'A' => 'А', 'a' => 'а', 'E' => 'Е', 'e' => 'е',
        'Ö' => 'Ё', 'ö' => 'ё', 'U' => 'У', 'u' => 'у',
        'Ü' => 'Ю', 'ü' => 'ю', 'Y' => 'Й', 'y' => 'й',
        'C' => 'Дж', 'c' => 'дж', 'Ğ' => 'Гъ', 'ğ' => 'гъ',
        'Ñ' => 'Нъ', 'ñ' => 'нъ', 'Q' => 'Къ', 'q' => 'къ',
 
        ];
 
    public $mCyrl2LatnExceptions = [];
    public $mLatn2CyrlExceptions = [];
 
    public $mCyrl2LatnPatterns = [];
    public $mLatn2CyrlPatterns = [];
 
    public $mCyrlCleanUpRegexes = [];
 
    public $mExceptionsLoaded = false;
 
    protected function loadDefaultTables() {
        $this->mTables = [
            'crh-latn' => new ReplacementArray( $this->mCyrillicToLatin ),
            'crh-cyrl' => new ReplacementArray( $this->mLatinToCyrillic ),
            'crh' => new ReplacementArray()
        ];
    }
 
    private function loadExceptions() {
        if ( $this->mExceptionsLoaded ) {
            return;
        }
 
        $this->mExceptionsLoaded = true;
        $crhExceptions = new MediaWiki\Languages\Data\CrhExceptions();
        list( $this->mCyrl2LatnExceptions, $this->mLatn2CyrlExceptions,
            $this->mCyrl2LatnPatterns, $this->mLatn2CyrlPatterns, $this->mCyrlCleanUpRegexes ) =
            $crhExceptions->loadExceptions( self::L_LC . self::C_LC, self::L_UC . self::C_UC );
    }
 
    public function translate( $text, $toVariant ) {
        switch ( $toVariant ) {
            case 'crh-cyrl':
            case 'crh-latn':
                break;
            default:
                return $text;
        }
 
        $this->loadTables();
 
        if ( !isset( $this->mTables[$toVariant] ) ) {
            throw new MWException( "Broken variant table: " . implode( ',', array_keys( $this->mTables ) ) );
        }
 
        switch ( $toVariant ) {
            case 'crh-cyrl':
                /* Check for roman numbers like VII, XIX...
                 * Only need to split on Roman numerals when converting to Cyrillic
                 * Lookahead assertion ensures $roman doesn't match the empty string, and
                 * non-period after first "Roman" character allows initials to be converted
                 */
                $roman = '(?=[MDCLXVI]([^.]|$))M{0,4}(C[DM]|D?C{0,3})(X[LC]|L?X{0,3})(I[VX]|V?I{0,3})';
 
                $breaks = '([^\w\x80-\xff])';
 
                // allow for multiple Roman numerals in a row; rare but it happens
                $romanRegex = '/^' . $roman . '$|^(' . $roman . $breaks . ')+|(' . $breaks . $roman . ')+$|' .
                    $breaks . '(' . $roman . $breaks . ')+/';
 
                $matches = preg_split( $romanRegex, $text, -1, PREG_SPLIT_OFFSET_CAPTURE );
                $mstart = 0;
                $ret = '';
                foreach ( $matches as $m ) {
                    // copy over Roman numerals
                    $ret .= substr( $text, $mstart, $m[1] - $mstart );
 
                    // process everything else
                    if ( $m[0] !== '' ) {
                        $ret .= $this->regsConverter( $m[0], $toVariant );
                    }
 
                    $mstart = $m[1] + strlen( $m[0] );
                }
 
                return $ret;
            default:
                // Just process the whole string in one go
                return $this->regsConverter( $text, $toVariant );
        }
    }
 
    private function regsConverter( $text, $toVariant ) {
        if ( $text == '' ) return $text;
 
        $pat = [];
        $rep = [];
        switch ( $toVariant ) {
            case 'crh-latn':
                $text = strtr( $text, $this->mCyrl2LatnExceptions );
                foreach ( $this->mCyrl2LatnPatterns as $pat => $rep ) {
                    $text = preg_replace( $pat, $rep, $text );
                }
                $text = parent::translate( $text, $toVariant );
                $text = strtr( $text, [ '«' => '"', '»' => '"', ] );
                return $text;
            case 'crh-cyrl':
                $text = strtr( $text, $this->mLatn2CyrlExceptions );
                foreach ( $this->mLatn2CyrlPatterns as $pat => $rep ) {
                    $text = preg_replace( $pat, $rep, $text );
                }
                $text = parent::translate( $text, $toVariant );
                $text = strtr( $text, [ '“' => '«', '”' => '»', ] );
                foreach ( $this->mCyrlCleanUpRegexes as $pat => $rep ) {
                    $text = preg_replace( $pat, $rep, $text );
                }
                return $text;
            default:
                return $text;
        }
    }
 
}