@zsnout/ithkuil/parse/referential/combination.js

A set of tools which can generate and parse romanized Ithkuil text and which can generate Ithkuil script from text and JSON data.

import { parseAffix } from "../formative/affix.js";
import { parseCase } from "../formative/case.js";
import { combinationReferential } from "../lex/referential/combination.js";
import { VowelForm } from "../vowel-form.js";
import { parseReferentListAndPerspective } from "./referent-list.js";
const AFFIX_REGEX = /([aeiouäëöü']+)([^aeiouäëöü']+)/g;
function parseAffixes(text) {
    if (text == "") {
        return [];
    }
    const output = [];
    let match;
    while ((match = AFFIX_REGEX.exec(text))) {
        output.push(parseAffix(VowelForm.parseOrThrow(match[1]), match[2], output.length == 0 && AFFIX_REGEX.lastIndex == text.length));
    }
    return output;
}
/**
 * Builds a combination referential.
 *
 * @param word The word to be built.
 * @returns Either a parsed `PartialReferential` indicating a success, or
 *   `undefined` indicating a tokenization failure. Throws if the adjunct was
 *   successfully tokenized but had another error in it (e.g. invalid Vc).
 */
export function buildCombinationReferential(word, stress) {
    const match = combinationReferential.exec(word);
    if (match == null) {
        return;
    }
    const case1 = parseCase(VowelForm.parseOrThrow(match[3]));
    const specification = match[4] == "xx" ? "OBJ"
        : match[4] == "xt" ? "CTE"
            : match[4] == "xp" ? "CSV"
                : "BSC";
    const affixes = match[5] ? parseAffixes(match[5]) : undefined;
    const case2 = !match[6] || match[6] == "a" ? undefined
        : match[6] == "üa" ? "THM"
            : parseCase(VowelForm.parseOrThrow(match[6]));
    if (match[1]) {
        return {
            type: match[1] == "hm" ? "QUO"
                : match[1] == "hn" ? "NAM"
                    : match[1] == "hň" ? "PHR"
                        : "CAR",
            case: case1,
            case2,
            specification,
            affixes,
            essence: stress == "ultimate" ? "RPV" : undefined,
        };
    }
    else {
        const [referents, perspective] = parseReferentListAndPerspective(match[2], false);
        return {
            referents,
            perspective,
            case: case1,
            case2,
            specification,
            affixes,
            essence: stress == "ultimate" ? "RPV" : undefined,
        };
    }
}