taipa/lib/tonal/tone.js

Taiwanese morphological parsing library

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getToneEndingNumbersThree = exports.getToneEndingNumbersTwo = exports.getToneEndingNumber = exports.extractTones = exports.LexicalTone = void 0;
const morpheme_1 = require("../unchange/morpheme");
const unit_1 = require("../unit");
const analyzer_1 = require("../unchange/analyzer");
const tonalres_1 = require("./tonalres");
/** Tone letters and stop finals of the syllables of a word. */
class LexicalTone {
    /** Tone letters of all syllables. A transfix is comprised of its tone affixes. */
    toneLetters = [];
    /** Stop finals of all syllables. */
    stopFinals = [];
    /** Return the last tone letter of a word. */
    getInflectionalEnding() {
        return this.toneLetters[this.toneLetters.length - 1];
    }
    /** Return the tone of a word. */
    getAllomorphicEnding() {
        return (this.stopFinals[this.stopFinals.length - 1] +
            this.toneLetters[this.toneLetters.length - 1]);
    }
    /** Return tone numbers for all syllables. */
    getToneNumbers() {
        const numbers = [];
        for (let i = 0; i < this.toneLetters.length; i++) {
            if (this.toneLetters[i] === '' && this.stopFinals[i] === '')
                numbers.push(1);
            else if (this.toneLetters[i] === '' && this.stopFinals[i] !== '') {
                if (this.stopFinals[i].length == 1)
                    numbers.push(4);
                else if (this.stopFinals[i].length == 2)
                    numbers.push(8);
            }
            else if (this.toneLetters[i] !== '') {
                if (this.toneLetters[i] === tonalres_1.TonalLetterTags.f)
                    numbers.push(1);
                if (this.toneLetters[i] === tonalres_1.TonalLetterTags.y)
                    numbers.push(2);
                if (this.toneLetters[i] === tonalres_1.TonalLetterTags.w)
                    numbers.push(3);
                if (this.toneLetters[i] === tonalres_1.TonalLetterTags.x)
                    numbers.push(5);
                if (this.toneLetters[i] === tonalres_1.TonalLetterTags.z)
                    numbers.push(7);
                if (this.toneLetters[i] === tonalres_1.TonalLetterTags.xx)
                    numbers.push(9);
            }
        }
        return numbers;
    }
}
exports.LexicalTone = LexicalTone;
/** Given a word, populate and return a LexicalTone object. */
function extractTones(token) {
    const gs = (0, analyzer_1.graphAnalyzeTonal)(token);
    const ltrs = gs.map((it) => it.letter);
    const ptrns = (0, unit_1.makeMatchedPatterns)(ltrs, morpheme_1.syllabifyTonal);
    const tone = new LexicalTone();
    const ptn = ptrns.map((it) => it.pattern);
    const stps = ptn.map((it) => it
        .map((it) => it.name === tonalres_1.TonalSpellingTags.stopFinalConsonant ? it.toString() : '')
        .filter((it) => it.length > 0));
    const tnls = ptn.map((it) => it
        .map((it) => it.name === tonalres_1.TonalSpellingTags.freeTone ||
        it.name === tonalres_1.TonalSpellingTags.checkedTone
        ? it.toString()
        : '')
        .filter((it) => it.length > 0));
    stps.map((it) => it.length > 0 ? tone.stopFinals.push(it[0]) : tone.stopFinals.push(''));
    tnls.map((it) => it.length > 0 ? tone.toneLetters.push(it[0]) : tone.toneLetters.push(''));
    return tone;
}
exports.extractTones = extractTones;
/** Return tone ending number for 1 word. */
function getToneEndingNumber(token) {
    const tone = extractTones(token);
    if (tone.getInflectionalEnding() === '' && tone.getAllomorphicEnding() === '')
        return 1;
    if (tone.getInflectionalEnding() === '' &&
        tone.getAllomorphicEnding() !== '') {
        // p, t, k, h
        if (tone.getAllomorphicEnding().length == 1)
            return 4;
        // pp, tt, kk, hh
        if (tone.getAllomorphicEnding().length == 2)
            return 8;
    }
    if (tone.getInflectionalEnding() !== '') {
        // -f, -y, -w, -x, -z, -xx. -pf, -tf, -kf, -hf.
        if (tone.getInflectionalEnding() === tonalres_1.TonalLetterTags.f)
            return 1;
        if (tone.getInflectionalEnding() === tonalres_1.TonalLetterTags.y)
            return 2;
        if (tone.getInflectionalEnding() === tonalres_1.TonalLetterTags.w)
            return 3;
        if (tone.getInflectionalEnding() === tonalres_1.TonalLetterTags.x)
            return 5;
        if (tone.getInflectionalEnding() === tonalres_1.TonalLetterTags.z)
            return 7;
        if (tone.getInflectionalEnding() === tonalres_1.TonalLetterTags.xx)
            return 9;
    }
    return -1;
}
exports.getToneEndingNumber = getToneEndingNumber;
/** Return tone ending numbers for 2 words. */
function getToneEndingNumbersTwo(token1, token2) {
    return [getToneEndingNumber(token1), getToneEndingNumber(token2)];
}
exports.getToneEndingNumbersTwo = getToneEndingNumbersTwo;
/** Return tone ending numbers for 3 words. */
function getToneEndingNumbersThree(token1, token2, token3) {
    return [
        getToneEndingNumber(token1),
        getToneEndingNumber(token2),
        getToneEndingNumber(token3),
    ];
}
exports.getToneEndingNumbersThree = getToneEndingNumbersThree;
//# sourceMappingURL=tone.js.map