2016-03-20 17:52:27 +00:00
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/*
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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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2016-03-24 02:25:32 +00:00
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2016-03-20 17:52:27 +00:00
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class Translator {
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2016-03-26 21:16:21 +00:00
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constructor() {
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2016-08-07 20:01:27 +00:00
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this.loaded = false;
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2016-12-18 02:45:19 +00:00
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this.ruleMeta = null;
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2016-11-07 16:29:21 +00:00
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this.database = new Database();
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2016-04-02 19:56:47 +00:00
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this.deinflector = new Deinflector();
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2016-03-26 21:16:21 +00:00
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}
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2016-11-13 19:58:23 +00:00
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prepare() {
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2016-04-04 05:22:38 +00:00
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if (this.loaded) {
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2016-09-11 19:40:45 +00:00
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return Promise.resolve();
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2016-03-26 21:16:21 +00:00
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}
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2016-03-20 17:52:27 +00:00
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2016-11-13 19:58:23 +00:00
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const promises = [
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2016-12-18 03:08:28 +00:00
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loadJsonInt('bg/data/deinflect.json'),
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2016-11-13 19:58:23 +00:00
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this.database.prepare()
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];
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2016-09-14 03:36:13 +00:00
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2016-12-18 02:45:19 +00:00
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return Promise.all(promises).then(([reasons]) => {
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this.deinflector.setReasons(reasons);
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2016-08-24 03:53:11 +00:00
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this.loaded = true;
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2016-08-21 20:32:36 +00:00
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});
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2016-03-20 17:52:27 +00:00
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}
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2016-03-21 01:45:37 +00:00
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2016-11-14 05:53:56 +00:00
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findTerm(text, dictionaries, enableSoftKatakanaSearch) {
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2016-12-18 05:42:53 +00:00
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return this.findDeinflectionGroups(text, dictionaries).then(groups => {
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2016-10-22 03:43:09 +00:00
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const textHiragana = wanakana._katakanaToHiragana(text);
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if (text !== textHiragana && enableSoftKatakanaSearch) {
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2016-12-18 05:42:53 +00:00
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return this.findDeinflectionGroups(textHiragana, dictionaries).then(groupsHiragana => {
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2016-10-22 03:43:09 +00:00
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for (const key in groupsHiragana) {
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groups[key] = groups[key] || groupsHiragana[key];
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}
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return groups;
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});
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} else {
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return groups;
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}
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}).then(groups => {
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2016-09-20 03:17:58 +00:00
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const definitions = [];
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2016-10-22 03:43:09 +00:00
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for (const key in groups) {
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definitions.push(groups[key]);
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2016-05-08 01:24:31 +00:00
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}
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2016-09-11 02:36:28 +00:00
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let length = 0;
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for (const result of definitions) {
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length = Math.max(length, result.source.length);
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2016-04-02 05:13:37 +00:00
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}
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2016-09-20 03:17:58 +00:00
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return {
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length,
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definitions: sortTermDefs(definitions)
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};
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2016-04-02 05:13:37 +00:00
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});
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2016-03-21 01:45:37 +00:00
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}
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2016-11-13 03:29:30 +00:00
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findKanji(text, dictionaries) {
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2016-03-21 03:34:50 +00:00
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const processed = {};
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2016-09-11 19:29:18 +00:00
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const promises = [];
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2016-04-25 01:59:29 +00:00
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2016-08-10 04:23:05 +00:00
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for (const c of text) {
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2016-04-25 01:59:29 +00:00
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if (!processed[c]) {
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2016-11-13 03:29:30 +00:00
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promises.push(this.database.findKanji(c, dictionaries));
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2016-03-21 03:34:50 +00:00
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processed[c] = true;
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}
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}
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2016-10-09 00:39:21 +00:00
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return Promise.all(promises).then(sets => this.processKanji(sets.reduce((a, b) => a.concat(b), [])));
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2016-03-21 01:45:37 +00:00
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}
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2016-12-18 05:42:53 +00:00
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findDeinflectionGroups(text, dictionaries) {
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2016-12-20 05:23:17 +00:00
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const definer = term => this.database.findTerm(term, dictionaries);
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const groups = {};
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const promises = [];
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2016-11-13 03:29:30 +00:00
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for (let i = text.length; i > 0; --i) {
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2016-12-20 05:23:17 +00:00
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promises.push(
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this.deinflector.deinflect(text.slice(0, i), definer).then(deinflections => {
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2016-12-18 05:42:53 +00:00
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for (const deinflection of deinflections) {
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2016-12-20 05:23:17 +00:00
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this.processDeinflection(groups, deinflection);
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2016-11-13 03:29:30 +00:00
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}
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})
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);
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}
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2016-12-20 05:23:17 +00:00
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return Promise.all(promises).then(() => groups);
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2016-11-13 03:29:30 +00:00
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}
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2016-12-20 05:23:17 +00:00
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processDeinflection(groups, {source, rules, reasons, root, definitions}, dictionaries) {
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for (const definition of definitions) {
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if (definition.id in groups) {
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continue;
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2016-04-19 02:38:03 +00:00
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}
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2016-12-20 05:23:17 +00:00
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const tags = definition.tags.map(tag => buildTag(tag, definition.tagMeta));
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groups[definition.id] = {
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source,
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reasons,
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score: definition.score,
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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(tags)
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};
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}
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2016-03-21 03:34:50 +00:00
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}
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2016-09-11 19:40:45 +00:00
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processKanji(definitions) {
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for (const definition of definitions) {
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2016-12-18 07:38:14 +00:00
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const tags = definition.tags.map(tag => buildTag(tag, definition.tagMeta));
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2016-12-18 05:26:46 +00:00
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definition.tags = sortTags(tags);
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2016-08-08 02:56:50 +00:00
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}
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2016-09-11 19:40:45 +00:00
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return definitions;
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2016-08-08 05:42:56 +00:00
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}
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2016-03-20 17:52:27 +00:00
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}
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