107 lines
3.9 KiB
JavaScript
107 lines
3.9 KiB
JavaScript
/*
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* Copyright (C) 2020 Yomichan Authors
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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 <https://www.gnu.org/licenses/>.
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*/
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class DictionaryDataUtil {
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static getPitchAccentInfos(definition) {
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if (typeof definition.character === 'string') {
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// Kanji
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return [];
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}
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const results = new Map();
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const allExpressions = new Set();
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const allReadings = new Set();
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const expressions = definition.expressions;
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const sources = Array.isArray(expressions) ? expressions : [definition];
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for (const {pitches: expressionPitches, expression} of sources) {
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allExpressions.add(expression);
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for (const {reading, pitches, dictionary} of expressionPitches) {
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allReadings.add(reading);
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let dictionaryResults = results.get(dictionary);
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if (typeof dictionaryResults === 'undefined') {
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dictionaryResults = [];
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results.set(dictionary, dictionaryResults);
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}
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for (const {position, tags} of pitches) {
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let pitchAccentInfo = this._findExistingPitchAccentInfo(reading, position, tags, dictionaryResults);
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if (pitchAccentInfo === null) {
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pitchAccentInfo = {expressions: new Set(), reading, position, tags};
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dictionaryResults.push(pitchAccentInfo);
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}
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pitchAccentInfo.expressions.add(expression);
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}
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}
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}
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const multipleReadings = (allReadings.size > 1);
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for (const dictionaryResults of results.values()) {
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for (const result of dictionaryResults) {
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const exclusiveExpressions = [];
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const exclusiveReadings = [];
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const resultExpressions = result.expressions;
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if (!areSetsEqual(resultExpressions, allExpressions)) {
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exclusiveExpressions.push(...getSetIntersection(resultExpressions, allExpressions));
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}
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if (multipleReadings) {
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exclusiveReadings.push(result.reading);
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}
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result.expressions = [...resultExpressions];
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result.exclusiveExpressions = exclusiveExpressions;
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result.exclusiveReadings = exclusiveReadings;
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}
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}
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const results2 = [];
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for (const [dictionary, pitches] of results.entries()) {
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results2.push({dictionary, pitches});
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}
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return results2;
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}
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static _findExistingPitchAccentInfo(reading, position, tags, pitchAccentInfoList) {
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for (const pitchInfo of pitchAccentInfoList) {
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if (
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pitchInfo.reading === reading &&
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pitchInfo.position === position &&
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this._areTagListsEqual(pitchInfo.tags, tags)
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) {
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return pitchInfo;
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}
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}
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return null;
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}
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static _areTagListsEqual(tagList1, tagList2) {
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const ii = tagList1.length;
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if (tagList2.length !== ii) { return false; }
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for (let i = 0; i < ii; ++i) {
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const tag1 = tagList1[i];
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const tag2 = tagList2[i];
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if (tag1.name !== tag2.name || tag1.dictionary !== tag2.dictionary) {
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return false;
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}
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}
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return true;
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}
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}
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