128 lines
4.3 KiB
JavaScript
128 lines
4.3 KiB
JavaScript
/*
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* Copyright (C) 2016 Alex Yatskov <alex@foosoft.net>
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* Author: Alex Yatskov <alex@foosoft.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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class Translator {
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constructor() {
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this.loaded = false;
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this.ruleMeta = null;
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this.database = new Database();
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this.deinflector = new Deinflector();
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}
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prepare() {
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if (this.loaded) {
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return Promise.resolve();
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}
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const promises = [
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loadJsonInt('bg/lang/deinflect.json'),
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this.database.prepare()
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];
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return Promise.all(promises).then(([reasons]) => {
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this.deinflector.setReasons(reasons);
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this.loaded = true;
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});
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}
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findTerm(text, dictionaries, enableSoftKatakanaSearch) {
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const cache = {};
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return this.findTermDeinflections(text, dictionaries, cache).then(deinfHiragana => {
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const textHiragana = wanakana._katakanaToHiragana(text);
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if (text !== textHiragana && enableSoftKatakanaSearch) {
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return this.findTermDeinflections(textHiragana, dictionaries, cache).then(deinfHiragana => deinfHiragana.concat(deinfHiragana));
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} else {
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return deinfHiragana;
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}
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}).then(deinflections => {
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let definitions = [];
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for (const deinflection of deinflections) {
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for (const definition of deinflection.definitions) {
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definitions.push({
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source: deinflection.source,
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reasons: deinflection.reasons,
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score: definition.score,
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id: definition.id,
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dictionary: definition.dictionary,
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expression: definition.expression,
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reading: definition.reading,
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glossary: definition.glossary,
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tags: sortTags(definition.tags.map(tag => buildTag(tag, definition.tagMeta)))
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});
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}
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}
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definitions = undupeTermDefs(definitions);
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definitions = sortTermDefs(definitions);
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let length = 0;
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for (const definition of definitions) {
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length = Math.max(length, definition.source.length);
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}
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return {length, definitions};
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});
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}
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findKanji(text, dictionaries) {
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const processed = {}, promises = [];
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for (const c of text) {
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if (!processed[c]) {
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promises.push(this.database.findKanji(c, dictionaries));
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processed[c] = true;
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}
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}
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return Promise.all(promises).then(sets => this.processKanji(sets.reduce((a, b) => a.concat(b), [])));
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}
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findTermDeinflections(text, dictionaries, cache) {
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const definer = term => {
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if (cache.hasOwnProperty(term)) {
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return Promise.resolve(cache[term]);
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}
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return this.database.findTerm(term, dictionaries).then(definitions => cache[term] = definitions);
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};
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const promises = [];
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for (let i = text.length; i > 0; --i) {
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promises.push(this.deinflector.deinflect(text.slice(0, i), definer));
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}
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return Promise.all(promises).then(results => {
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let deinflections = [];
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for (const result of results) {
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deinflections = deinflections.concat(result);
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}
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return deinflections;
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});
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}
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processKanji(definitions) {
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for (const definition of definitions) {
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const tags = definition.tags.map(tag => buildTag(tag, definition.tagMeta));
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definition.tags = sortTags(tags);
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}
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return definitions;
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}
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}
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