taipa/lib/unchange/lexeme.js

Taiwanese morphological parsing library

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.TonalLemmatizationLexemeMaker = exports.TonalLemmatizationLexeme = void 0;
const unit_1 = require("../unit");
const tonalres_1 = require("../tonal/tonalres");
const metaplasm_1 = require("./metaplasm");
const maker_1 = require("../maker");
const unit_2 = require("./unit");
/** A word and its lemmas/base forms. */
class TonalLemmatizationLexeme extends unit_1.Lexeme {
    word;
    lemmata = new Array(); // lexical forms. underlying forms
    endingInflectional;
    constructor(morphemes, metaplasm) {
        super();
        if (morphemes.length == 0)
            this.word = new unit_2.TonalWord([]);
        else
            this.word = new unit_2.TonalWord(morphemes.map((x) => x.syllable));
        if (morphemes.length > 0) {
            if (morphemes[morphemes.length - 1].allomorph) {
                this.endingInflectional = this.assignInflectionalEnding(morphemes[morphemes.length - 1].allomorph);
            }
            else {
                // null inflectional ending
                this.endingInflectional = new unit_2.InflectionalEnding();
            }
        }
        else {
            // no morphemes. null inflectional ending
            this.endingInflectional = new unit_2.InflectionalEnding();
        }
        if (morphemes.length > 0)
            this.lemmata = metaplasm.apply(morphemes, this.endingInflectional);
    }
    getLemmas() {
        // this must be called after populateLemmata is called
        return this.lemmata;
    }
    getInflectionalEnding() {
        if (this.endingInflectional)
            return this.endingInflectional.toString();
        return '';
    }
    assignInflectionalEnding(allomorph) {
        let ending = new unit_2.InflectionalEnding();
        // change allomorph to affix
        if (allomorph instanceof tonalres_1.FreeAllomorph) {
            let fie = new unit_2.FreeInflectionalEnding();
            fie.affix.tonal = allomorph.tonal;
            ending = fie;
        }
        else if (allomorph instanceof tonalres_1.CheckedAllomorph) {
            let cie = new unit_2.CheckedInflectionalEnding();
            cie.affix.tonal = allomorph.tonal;
            ending = cie;
        }
        // this word is already in base form, and its last syllable is checked tone
        return ending;
    }
}
exports.TonalLemmatizationLexeme = TonalLemmatizationLexeme;
class TonalLemmatizationLexemeMaker extends maker_1.LexemeMaker {
    constructor() {
        super();
    }
    makeLexemes(morphemes) {
        return this.make(morphemes);
    }
    make(morphemes) {
        return new TonalLemmatizationLexeme(morphemes, new metaplasm_1.TonalLemmatization());
    }
}
exports.TonalLemmatizationLexemeMaker = TonalLemmatizationLexemeMaker;
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