LanguageTyv.php

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<?php
use MediaWiki\MainConfigNames;
use MediaWiki\MediaWikiServices;
 
class LanguageTyv extends Language {
    public function convertGrammar( $word, $case ) {
        $grammarForms =
            MediaWikiServices::getInstance()->getMainConfig()->get( MainConfigNames::GrammarForms );
        if ( isset( $grammarForms['tyv'][$case][$word] ) ) {
            return $grammarForms['tyv'][$case][$word];
        }
 
        // Set up some constants...
        $allVowels = [ "е", "и", "э", "ө", "ү", "а", "ё", "о", "у", "ы", "ю", "я" ];
        $frontVowels = [ "е", "и", "э", "ө", "ү" ];
        $backVowels = [ "а", "ё", "о", "у", "ы", "ю", "я" ];
        $unroundFrontVowels = [ "е", "и", "э" ];
        $roundFrontVowels = [ "ө", "ү" ];
        $unroundBackVowels = [ "а", "ы", "я" ];
        $roundBackVowels = [ "ё", "о", "у", "ю" ];
        $unvoicedPhonemes = [ "т", "п", "с", "ш", "к", "ч", "х" ];
        $directiveUnvoicedStems = [ "т", "п", "с", "ш", "к", "ч", "х", "л", "м", "н", "ң" ];
        $directiveVoicedStems = [ "д", "б", "з", "ж", "г", "р", "й" ];
 
        // Put the word in a form we can play with since we're using UTF-8
        $ar = mb_str_split( $word, 1 );
 
        // Here's the last letter in the word
        $wordEnding = end( $ar );
 
        // Find the last vowel in the word
        $wordLastVowel = null;
        for ( $i = count( $ar ); $i--; ) {
            if ( in_array( $ar[$i], $allVowels, true ) ) {
                $wordLastVowel = $ar[$i];
                break;
            }
        }
 
        // Now convert the word
        switch ( $case ) {
            case "genitive":
                if ( in_array( $wordEnding, $unvoicedPhonemes ) ) {
                    if ( in_array( $wordLastVowel, $roundFrontVowels ) ) {
                        $word = $word . "түң";
                    } elseif ( in_array( $wordLastVowel, $unroundFrontVowels ) ) {
                        $word = $word . "тиң";
                    } elseif ( in_array( $wordLastVowel, $roundBackVowels ) ) {
                        $word = $word . "туң";
                    } elseif ( in_array( $wordLastVowel, $unroundBackVowels ) ) {
                        $word = $word . "тың";
                    }
                } elseif ( $wordEnding === "л" ) {
                    if ( in_array( $wordLastVowel, $roundFrontVowels ) ) {
                        $word = $word . "дүң";
                    } elseif ( in_array( $wordLastVowel, $unroundFrontVowels ) ) {
                        $word = $word . "диң";
                    } elseif ( in_array( $wordLastVowel, $roundBackVowels ) ) {
                        $word = $word . "дуң";
                    } elseif ( in_array( $wordLastVowel, $unroundBackVowels ) ) {
                        $word = $word . "дың";
                    }
                } else {
                    if ( in_array( $wordLastVowel, $roundFrontVowels ) ) {
                        $word = $word . "нүң";
                    } elseif ( in_array( $wordLastVowel, $unroundFrontVowels ) ) {
                        $word = $word . "ниң";
                    } elseif ( in_array( $wordLastVowel, $roundBackVowels ) ) {
                        $word = $word . "нуң";
                    } elseif ( in_array( $wordLastVowel, $unroundBackVowels ) ) {
                        $word = $word . "ның";
                    }
                }
                break;
            case "dative":
                if ( in_array( $wordEnding, $unvoicedPhonemes ) ) {
                    if ( in_array( $wordLastVowel, $frontVowels ) ) {
                        $word = $word . "ке";
                    } elseif ( in_array( $wordLastVowel, $backVowels ) ) {
                        $word = $word . "ка";
                    }
                } else {
                    if ( in_array( $wordLastVowel, $frontVowels ) ) {
                        $word = $word . "ге";
                    } elseif ( in_array( $wordLastVowel, $backVowels ) ) {
                        $word = $word . "га";
                    }
                }
                break;
            case "accusative":
                if ( in_array( $wordEnding, $unvoicedPhonemes ) ) {
                    if ( in_array( $wordLastVowel, $roundFrontVowels ) ) {
                        $word = $word . "тү";
                    } elseif ( in_array( $wordLastVowel, $unroundFrontVowels ) ) {
                        $word = $word . "ти";
                    } elseif ( in_array( $wordLastVowel, $roundBackVowels ) ) {
                        $word = $word . "ту";
                    } elseif ( in_array( $wordLastVowel, $unroundBackVowels ) ) {
                        $word = $word . "ты";
                    }
                } elseif ( $wordEnding === "л" ) {
                    if ( in_array( $wordLastVowel, $roundFrontVowels ) ) {
                        $word = $word . "дү";
                    } elseif ( in_array( $wordLastVowel, $unroundFrontVowels ) ) {
                        $word = $word . "ди";
                    } elseif ( in_array( $wordLastVowel, $roundBackVowels ) ) {
                        $word = $word . "ду";
                    } elseif ( in_array( $wordLastVowel, $unroundBackVowels ) ) {
                        $word = $word . "ды";
                    }
                } else {
                    if ( in_array( $wordLastVowel, $roundFrontVowels ) ) {
                        $word = $word . "нү";
                    } elseif ( in_array( $wordLastVowel, $unroundFrontVowels ) ) {
                        $word = $word . "ни";
                    } elseif ( in_array( $wordLastVowel, $roundBackVowels ) ) {
                        $word = $word . "ну";
                    } elseif ( in_array( $wordLastVowel, $unroundBackVowels ) ) {
                        $word = $word . "ны";
                    }
                }
                break;
            case "locative":
                if ( in_array( $wordEnding, $unvoicedPhonemes ) ) {
                    if ( in_array( $wordLastVowel, $frontVowels ) ) {
                        $word = $word . "те";
                    } elseif ( in_array( $wordLastVowel, $backVowels ) ) {
                        $word = $word . "та";
                    }
                } else {
                    if ( in_array( $wordLastVowel, $frontVowels ) ) {
                        $word = $word . "де";
                    } elseif ( in_array( $wordLastVowel, $backVowels ) ) {
                        $word = $word . "да";
                    }
                }
                break;
            case "ablative":
                if ( in_array( $wordEnding, $unvoicedPhonemes ) ) {
                    if ( in_array( $wordLastVowel, $frontVowels ) ) {
                        $word = $word . "тен";
                    } elseif ( in_array( $wordLastVowel, $backVowels ) ) {
                        $word = $word . "тан";
                    }
                } else {
                    if ( in_array( $wordLastVowel, $frontVowels ) ) {
                        $word = $word . "ден";
                    } elseif ( in_array( $wordLastVowel, $backVowels ) ) {
                        $word = $word . "дан";
                    }
                }
                break;
            case "directive1":
                if ( in_array( $wordEnding, $directiveVoicedStems ) ) {
                    $word = $word . "же";
                } elseif ( in_array( $wordEnding, $directiveUnvoicedStems ) ) {
                    $word = $word . "че";
                }
                break;
            case "directive2":
                if ( in_array( $wordEnding, $unvoicedPhonemes ) ) {
                    if ( in_array( $wordLastVowel, $roundFrontVowels ) ) {
                        $word = $word . "түве";
                    } elseif ( in_array( $wordLastVowel, $unroundFrontVowels ) ) {
                        $word = $word . "тиве";
                    } elseif ( in_array( $wordLastVowel, $roundBackVowels ) ) {
                        $word = $word . "туве";
                    } elseif ( in_array( $wordLastVowel, $unroundBackVowels ) ) {
                        $word = $word . "тыве";
                    }
                } else {
                    if ( in_array( $wordLastVowel, $roundFrontVowels ) ) {
                        $word = $word . "дүве";
                    } elseif ( in_array( $wordLastVowel, $unroundFrontVowels ) ) {
                        $word = $word . "диве";
                    } elseif ( in_array( $wordLastVowel, $roundBackVowels ) ) {
                        $word = $word . "дуве";
                    } elseif ( in_array( $wordLastVowel, $unroundBackVowels ) ) {
                        $word = $word . "дыве";
                    }
                }
                break;
            default:
                break;
        }
 
        return $word;
    }
}