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-rw-r--r--ext/js/language/dictionary-data-util.js299
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diff --git a/ext/js/language/dictionary-data-util.js b/ext/js/language/dictionary-data-util.js
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-/*
- * Copyright (C) 2020-2021 Yomichan Authors
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
- */
-
-class DictionaryDataUtil {
- static groupTermTags(dictionaryEntry) {
- const {headwords} = dictionaryEntry;
- const headwordCount = headwords.length;
- const uniqueCheck = (headwordCount > 1);
- const resultsIndexMap = new Map();
- const results = [];
- for (let i = 0; i < headwordCount; ++i) {
- const {tags} = headwords[i];
- for (const tag of tags) {
- if (uniqueCheck) {
- const {name, category, notes, dictionary} = tag;
- const key = this._createMapKey([name, category, notes, dictionary]);
- const index = resultsIndexMap.get(key);
- if (typeof index !== 'undefined') {
- const existingItem = results[index];
- existingItem.headwordIndices.push(i);
- continue;
- }
- resultsIndexMap.set(key, results.length);
- }
-
- const item = {tag, headwordIndices: [i]};
- results.push(item);
- }
- }
- return results;
- }
-
- static groupTermFrequencies(dictionaryEntry) {
- const {headwords, frequencies} = dictionaryEntry;
-
- const map1 = new Map();
- for (const {headwordIndex, dictionary, hasReading, frequency} of frequencies) {
- const {term, reading} = headwords[headwordIndex];
-
- let map2 = map1.get(dictionary);
- if (typeof map2 === 'undefined') {
- map2 = new Map();
- map1.set(dictionary, map2);
- }
-
- const readingKey = hasReading ? reading : null;
- const key = this._createMapKey([term, readingKey]);
- let frequencyData = map2.get(key);
- if (typeof frequencyData === 'undefined') {
- frequencyData = {term, reading: readingKey, values: new Set()};
- map2.set(key, frequencyData);
- }
-
- frequencyData.values.add(frequency);
- }
- return this._createFrequencyGroupsFromMap(map1);
- }
-
- static groupKanjiFrequencies(frequencies) {
- const map1 = new Map();
- for (const {dictionary, character, frequency} of frequencies) {
- let map2 = map1.get(dictionary);
- if (typeof map2 === 'undefined') {
- map2 = new Map();
- map1.set(dictionary, map2);
- }
-
- let frequencyData = map2.get(character);
- if (typeof frequencyData === 'undefined') {
- frequencyData = {character, values: new Set()};
- map2.set(character, frequencyData);
- }
-
- frequencyData.values.add(frequency);
- }
- return this._createFrequencyGroupsFromMap(map1);
- }
-
- static getPitchAccentInfos(dictionaryEntry) {
- const {headwords, pronunciations} = dictionaryEntry;
-
- const allTerms = new Set();
- const allReadings = new Set();
- for (const {term, reading} of headwords) {
- allTerms.add(term);
- allReadings.add(reading);
- }
-
- const pitchAccentInfoMap = new Map();
- for (const {headwordIndex, dictionary, pitches} of pronunciations) {
- const {term, reading} = headwords[headwordIndex];
- let dictionaryPitchAccentInfoList = pitchAccentInfoMap.get(dictionary);
- if (typeof dictionaryPitchAccentInfoList === 'undefined') {
- dictionaryPitchAccentInfoList = [];
- pitchAccentInfoMap.set(dictionary, dictionaryPitchAccentInfoList);
- }
- for (const {position, nasalPositions, devoicePositions, tags} of pitches) {
- let pitchAccentInfo = this._findExistingPitchAccentInfo(reading, position, nasalPositions, devoicePositions, tags, dictionaryPitchAccentInfoList);
- if (pitchAccentInfo === null) {
- pitchAccentInfo = {
- terms: new Set(),
- reading,
- position,
- nasalPositions,
- devoicePositions,
- tags,
- exclusiveTerms: [],
- exclusiveReadings: []
- };
- dictionaryPitchAccentInfoList.push(pitchAccentInfo);
- }
- pitchAccentInfo.terms.add(term);
- }
- }
-
- const multipleReadings = (allReadings.size > 1);
- for (const dictionaryPitchAccentInfoList of pitchAccentInfoMap.values()) {
- for (const pitchAccentInfo of dictionaryPitchAccentInfoList) {
- const {terms, reading, exclusiveTerms, exclusiveReadings} = pitchAccentInfo;
- if (!this._areSetsEqual(terms, allTerms)) {
- exclusiveTerms.push(...this._getSetIntersection(terms, allTerms));
- }
- if (multipleReadings) {
- exclusiveReadings.push(reading);
- }
- pitchAccentInfo.terms = [...terms];
- }
- }
-
- const results2 = [];
- for (const [dictionary, pitches] of pitchAccentInfoMap.entries()) {
- results2.push({dictionary, pitches});
- }
- return results2;
- }
-
- static getTermFrequency(termTags) {
- let totalScore = 0;
- for (const {score} of termTags) {
- totalScore += score;
- }
- if (totalScore > 0) {
- return 'popular';
- } else if (totalScore < 0) {
- return 'rare';
- } else {
- return 'normal';
- }
- }
-
- static getDisambiguations(headwords, headwordIndices, allTermsSet, allReadingsSet) {
- if (allTermsSet.size <= 1 && allReadingsSet.size <= 1) { return []; }
-
- const terms = new Set();
- const readings = new Set();
- for (const headwordIndex of headwordIndices) {
- const {term, reading} = headwords[headwordIndex];
- terms.add(term);
- readings.add(reading);
- }
-
- const disambiguations = [];
- const addTerms = !this._areSetsEqual(terms, allTermsSet);
- const addReadings = !this._areSetsEqual(readings, allReadingsSet);
- if (addTerms) {
- disambiguations.push(...this._getSetIntersection(terms, allTermsSet));
- }
- if (addReadings) {
- if (addTerms) {
- for (const term of terms) {
- readings.delete(term);
- }
- }
- disambiguations.push(...this._getSetIntersection(readings, allReadingsSet));
- }
- return disambiguations;
- }
-
- static isNonNounVerbOrAdjective(wordClasses) {
- let isVerbOrAdjective = false;
- let isSuruVerb = false;
- let isNoun = false;
- for (const wordClass of wordClasses) {
- switch (wordClass) {
- case 'v1':
- case 'v5':
- case 'vk':
- case 'vz':
- case 'adj-i':
- isVerbOrAdjective = true;
- break;
- case 'vs':
- isVerbOrAdjective = true;
- isSuruVerb = true;
- break;
- case 'n':
- isNoun = true;
- break;
- }
- }
- return isVerbOrAdjective && !(isSuruVerb && isNoun);
- }
-
- // Private
-
- static _createFrequencyGroupsFromMap(map) {
- const results = [];
- for (const [dictionary, map2] of map.entries()) {
- const frequencies = [];
- for (const frequencyData of map2.values()) {
- frequencyData.values = [...frequencyData.values];
- frequencies.push(frequencyData);
- }
- results.push({dictionary, frequencies});
- }
- return results;
- }
-
- static _findExistingPitchAccentInfo(reading, position, nasalPositions, devoicePositions, tags, pitchAccentInfoList) {
- for (const pitchInfo of pitchAccentInfoList) {
- if (
- pitchInfo.reading === reading &&
- pitchInfo.position === position &&
- this._areArraysEqual(pitchInfo.nasalPositions, nasalPositions) &&
- this._areArraysEqual(pitchInfo.devoicePositions, devoicePositions) &&
- this._areTagListsEqual(pitchInfo.tags, tags)
- ) {
- return pitchInfo;
- }
- }
- return null;
- }
-
- static _areArraysEqual(array1, array2) {
- const ii = array1.length;
- if (ii !== array2.length) { return false; }
- for (let i = 0; i < ii; ++i) {
- if (array1[i] !== array2[i]) { return false; }
- }
- return true;
- }
-
- static _areTagListsEqual(tagList1, tagList2) {
- const ii = tagList1.length;
- if (tagList2.length !== ii) { return false; }
-
- for (let i = 0; i < ii; ++i) {
- const tag1 = tagList1[i];
- const tag2 = tagList2[i];
- if (tag1.name !== tag2.name || tag1.dictionary !== tag2.dictionary) {
- return false;
- }
- }
-
- return true;
- }
-
- static _areSetsEqual(set1, set2) {
- if (set1.size !== set2.size) {
- return false;
- }
-
- for (const value of set1) {
- if (!set2.has(value)) {
- return false;
- }
- }
-
- return true;
- }
-
- static _getSetIntersection(set1, set2) {
- const result = [];
- for (const value of set1) {
- if (set2.has(value)) {
- result.push(value);
- }
- }
- return result;
- }
-
- static _createMapKey(array) {
- return JSON.stringify(array);
- }
-}