/* * Copyright (C) 2016-2021 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/>. */ /* global * Deinflector * TextSourceMap */ /** * Class which finds term and kanji definitions for text. */ class Translator { /** * Creates a new Translator instance. * @param database An instance of DictionaryDatabase. */ constructor({japaneseUtil, database}) { this._japaneseUtil = japaneseUtil; this._database = database; this._deinflector = null; this._tagCache = new Map(); this._stringComparer = new Intl.Collator('en-US'); // Invariant locale } /** * Initializes the instance for use. The public API should not be used until * this function has been called. * @param deinflectionReasons The raw deinflections reasons data that the Deinflector uses. */ prepare(deinflectionReasons) { this._deinflector = new Deinflector(deinflectionReasons); } /** * Clears the database tag cache. This should be executed if the database is changed. */ clearDatabaseCaches() { this._tagCache.clear(); } /** * Finds term definitions for the given text. * @param mode The mode to use for finding terms, which determines the format of the resulting array. * One of: 'group', 'merge', 'split', 'simple' * @param text The text to find terms for. * @param options An object using the following structure: * { * wildcard: (enum: null, 'prefix', 'suffix'), * mainDictionary: (string), * alphanumeric: (boolean), * convertHalfWidthCharacters: (enum: 'false', 'true', 'variant'), * convertNumericCharacters: (enum: 'false', 'true', 'variant'), * convertAlphabeticCharacters: (enum: 'false', 'true', 'variant'), * convertHiraganaToKatakana: (enum: 'false', 'true', 'variant'), * convertKatakanaToHiragana: (enum: 'false', 'true', 'variant'), * collapseEmphaticSequences: (enum: 'false', 'true', 'full'), * textReplacements: [ * (null or [ * {pattern: (RegExp), replacement: (string)} * ... * ]) * ... * ], * enabledDictionaryMap: (Map of [ * (string), * { * priority: (number), * allowSecondarySearches: (boolean) * } * ]) * } * @returns An array of [definitions, textLength]. The structure of each definition depends on the * mode parameter, see the _create?TermDefinition?() functions for structure details. */ async findTerms(mode, text, options) { switch (mode) { case 'group': return await this._findTermsGrouped(text, options); case 'merge': return await this._findTermsMerged(text, options); case 'split': return await this._findTermsSplit(text, options); case 'simple': return await this._findTermsSimple(text, options); default: return [[], 0]; } } /** * Finds kanji definitions for the given text. * @param text The text to find kanji definitions for. This string can be of any length, * but is typically just one character, which is a single kanji. If the string is multiple * characters long, each character will be searched in the database. * @param options An object using the following structure: * { * enabledDictionaryMap: (Map of [ * (string), * { * priority: (number) * } * ]) * } * @returns An array of definitions. See the _createKanjiDefinition() function for structure details. */ async findKanji(text, options) { const {enabledDictionaryMap} = options; const kanjiUnique = new Set(); for (const c of text) { kanjiUnique.add(c); } const databaseDefinitions = await this._database.findKanjiBulk([...kanjiUnique], enabledDictionaryMap); if (databaseDefinitions.length === 0) { return []; } this._sortDatabaseDefinitionsByIndex(databaseDefinitions); const definitions = []; for (const {character, onyomi, kunyomi, tags, glossary, stats, dictionary} of databaseDefinitions) { const expandedStats = await this._expandStats(stats, dictionary); const expandedTags = await this._expandTags(tags, dictionary); this._sortTags(expandedTags); const definition = this._createKanjiDefinition(character, dictionary, onyomi, kunyomi, glossary, expandedTags, expandedStats); definitions.push(definition); } await this._buildKanjiMeta(definitions, enabledDictionaryMap); return definitions; } // Find terms core functions async _findTermsSimple(text, options) { const {enabledDictionaryMap} = options; const [definitions, length] = await this._findTermsInternal(text, enabledDictionaryMap, options); this._sortDefinitions(definitions, false); return [definitions, length]; } async _findTermsSplit(text, options) { const {enabledDictionaryMap} = options; const [definitions, length] = await this._findTermsInternal(text, enabledDictionaryMap, options); await this._buildTermMeta(definitions, enabledDictionaryMap); this._sortDefinitions(definitions, true); return [definitions, length]; } async _findTermsGrouped(text, options) { const {enabledDictionaryMap} = options; const [definitions, length] = await this._findTermsInternal(text, enabledDictionaryMap, options); const groupedDefinitions = this._groupTerms(definitions, enabledDictionaryMap); await this._buildTermMeta(groupedDefinitions, enabledDictionaryMap); this._sortDefinitions(groupedDefinitions, false); for (const definition of groupedDefinitions) { this._flagRedundantDefinitionTags(definition.definitions); } return [groupedDefinitions, length]; } async _findTermsMerged(text, options) { const {mainDictionary, enabledDictionaryMap} = options; const secondarySearchDictionaryMap = this._getSecondarySearchDictionaryMap(enabledDictionaryMap); const [definitions, length] = await this._findTermsInternal(text, enabledDictionaryMap, options); const {sequencedDefinitions, unsequencedDefinitions} = await this._getSequencedDefinitions(definitions, mainDictionary, enabledDictionaryMap); const definitionsMerged = []; const usedDefinitions = new Set(); for (const {sourceDefinitions, relatedDefinitions} of sequencedDefinitions) { const result = await this._getMergedDefinition( sourceDefinitions, relatedDefinitions, unsequencedDefinitions, secondarySearchDictionaryMap, usedDefinitions ); definitionsMerged.push(result); } const unusedDefinitions = unsequencedDefinitions.filter((definition) => !usedDefinitions.has(definition)); for (const groupedDefinition of this._groupTerms(unusedDefinitions, enabledDictionaryMap)) { const {reasons, score, expression, reading, source, rawSource, sourceTerm, furiganaSegments, termTags, definitions: definitions2} = groupedDefinition; const termDetailsList = [this._createTermDetails(sourceTerm, expression, reading, furiganaSegments, termTags)]; const compatibilityDefinition = this._createMergedTermDefinition( source, rawSource, this._convertTermDefinitionsToMergedGlossaryTermDefinitions(definitions2), [expression], [reading], termDetailsList, reasons, score ); definitionsMerged.push(compatibilityDefinition); } await this._buildTermMeta(definitionsMerged, enabledDictionaryMap); this._sortDefinitions(definitionsMerged, false); for (const definition of definitionsMerged) { this._flagRedundantDefinitionTags(definition.definitions); } return [definitionsMerged, length]; } // Find terms internal implementation async _findTermsInternal(text, enabledDictionaryMap, options) { const {alphanumeric, wildcard} = options; text = this._getSearchableText(text, alphanumeric); if (text.length === 0) { return [[], 0]; } const deinflections = ( wildcard ? await this._findTermWildcard(text, enabledDictionaryMap, wildcard) : await this._findTermDeinflections(text, enabledDictionaryMap, options) ); let maxLength = 0; const definitions = []; for (const {databaseDefinitions, source, rawSource, term, reasons} of deinflections) { if (databaseDefinitions.length === 0) { continue; } maxLength = Math.max(maxLength, rawSource.length); for (const databaseDefinition of databaseDefinitions) { const definition = await this._createTermDefinitionFromDatabaseDefinition(databaseDefinition, source, rawSource, term, reasons, enabledDictionaryMap); definitions.push(definition); } } this._removeDuplicateDefinitions(definitions); return [definitions, maxLength]; } async _findTermWildcard(text, enabledDictionaryMap, wildcard) { const databaseDefinitions = await this._database.findTermsBulk([text], enabledDictionaryMap, wildcard); if (databaseDefinitions.length === 0) { return []; } return [{ source: text, rawSource: text, term: text, rules: 0, reasons: [], databaseDefinitions }]; } async _findTermDeinflections(text, enabledDictionaryMap, options) { const deinflections = this._getAllDeinflections(text, options); if (deinflections.length === 0) { return []; } const uniqueDeinflectionTerms = []; const uniqueDeinflectionArrays = []; const uniqueDeinflectionsMap = new Map(); for (const deinflection of deinflections) { const term = deinflection.term; let deinflectionArray = uniqueDeinflectionsMap.get(term); if (typeof deinflectionArray === 'undefined') { deinflectionArray = []; uniqueDeinflectionTerms.push(term); uniqueDeinflectionArrays.push(deinflectionArray); uniqueDeinflectionsMap.set(term, deinflectionArray); } deinflectionArray.push(deinflection); } const databaseDefinitions = await this._database.findTermsBulk(uniqueDeinflectionTerms, enabledDictionaryMap, null); for (const databaseDefinition of databaseDefinitions) { const definitionRules = Deinflector.rulesToRuleFlags(databaseDefinition.rules); for (const deinflection of uniqueDeinflectionArrays[databaseDefinition.index]) { const deinflectionRules = deinflection.rules; if (deinflectionRules === 0 || (definitionRules & deinflectionRules) !== 0) { deinflection.databaseDefinitions.push(databaseDefinition); } } } return deinflections; } _getAllDeinflections(text, options) { const textOptionVariantArray = [ this._getTextReplacementsVariants(options), this._getTextOptionEntryVariants(options.convertHalfWidthCharacters), this._getTextOptionEntryVariants(options.convertNumericCharacters), this._getTextOptionEntryVariants(options.convertAlphabeticCharacters), this._getTextOptionEntryVariants(options.convertHiraganaToKatakana), this._getTextOptionEntryVariants(options.convertKatakanaToHiragana), this._getCollapseEmphaticOptions(options) ]; const jp = this._japaneseUtil; const deinflections = []; const used = new Set(); for (const [textReplacements, halfWidth, numeric, alphabetic, katakana, hiragana, [collapseEmphatic, collapseEmphaticFull]] of this._getArrayVariants(textOptionVariantArray)) { let text2 = text; const sourceMap = new TextSourceMap(text2); if (textReplacements !== null) { text2 = this._applyTextReplacements(text2, sourceMap, textReplacements); } if (halfWidth) { text2 = jp.convertHalfWidthKanaToFullWidth(text2, sourceMap); } if (numeric) { text2 = jp.convertNumericToFullWidth(text2); } if (alphabetic) { text2 = jp.convertAlphabeticToKana(text2, sourceMap); } if (katakana) { text2 = jp.convertHiraganaToKatakana(text2); } if (hiragana) { text2 = jp.convertKatakanaToHiragana(text2); } if (collapseEmphatic) { text2 = jp.collapseEmphaticSequences(text2, collapseEmphaticFull, sourceMap); } for (let i = text2.length; i > 0; --i) { const text2Substring = text2.substring(0, i); if (used.has(text2Substring)) { break; } used.add(text2Substring); const rawSource = sourceMap.source.substring(0, sourceMap.getSourceLength(i)); for (const deinflection of this._deinflector.deinflect(text2Substring, rawSource)) { deinflections.push(deinflection); } } } return deinflections; } async _getSequencedDefinitions(definitions, mainDictionary, enabledDictionaryMap) { const sequenceList = []; const sequencedDefinitionMap = new Map(); const sequencedDefinitions = []; const unsequencedDefinitions = []; for (const definition of definitions) { const {sequence, dictionary} = definition; if (mainDictionary === dictionary && sequence >= 0) { let sequencedDefinition = sequencedDefinitionMap.get(sequence); if (typeof sequencedDefinition === 'undefined') { sequencedDefinition = { sourceDefinitions: [], relatedDefinitions: [], relatedDefinitionIds: new Set() }; sequencedDefinitionMap.set(sequence, sequencedDefinition); sequencedDefinitions.push(sequencedDefinition); sequenceList.push(sequence); } sequencedDefinition.sourceDefinitions.push(definition); sequencedDefinition.relatedDefinitions.push(definition); sequencedDefinition.relatedDefinitionIds.add(definition.id); } else { unsequencedDefinitions.push(definition); } } if (sequenceList.length > 0) { const databaseDefinitions = await this._database.findTermsBySequenceBulk(sequenceList, mainDictionary); for (const databaseDefinition of databaseDefinitions) { const {relatedDefinitions, relatedDefinitionIds} = sequencedDefinitions[databaseDefinition.index]; const {id} = databaseDefinition; if (relatedDefinitionIds.has(id)) { continue; } const {source, rawSource, sourceTerm} = relatedDefinitions[0]; const definition = await this._createTermDefinitionFromDatabaseDefinition(databaseDefinition, source, rawSource, sourceTerm, [], enabledDictionaryMap); relatedDefinitions.push(definition); } } for (const {relatedDefinitions} of sequencedDefinitions) { this._sortDefinitionsById(relatedDefinitions); } return {sequencedDefinitions, unsequencedDefinitions}; } async _getMergedSecondarySearchResults(expressionsMap, secondarySearchDictionaryMap) { if (secondarySearchDictionaryMap.size === 0) { return []; } const expressionList = []; const readingList = []; for (const [expression, readingMap] of expressionsMap.entries()) { for (const reading of readingMap.keys()) { expressionList.push(expression); readingList.push(reading); } } const databaseDefinitions = await this._database.findTermsExactBulk(expressionList, readingList, secondarySearchDictionaryMap); this._sortDatabaseDefinitionsByIndex(databaseDefinitions); const definitions = []; for (const databaseDefinition of databaseDefinitions) { const source = expressionList[databaseDefinition.index]; const definition = await this._createTermDefinitionFromDatabaseDefinition(databaseDefinition, source, source, source, [], secondarySearchDictionaryMap); definitions.push(definition); } return definitions; } async _getMergedDefinition(sourceDefinitions, relatedDefinitions, unsequencedDefinitions, secondarySearchDictionaryMap, usedDefinitions) { const {reasons, source, rawSource} = sourceDefinitions[0]; const score = this._getMaxDefinitionScore(sourceDefinitions); const termInfoMap = new Map(); const glossaryDefinitions = []; const glossaryDefinitionGroupMap = new Map(); this._mergeByGlossary(relatedDefinitions, glossaryDefinitionGroupMap); this._addUniqueTermInfos(relatedDefinitions, termInfoMap); let secondaryDefinitions = await this._getMergedSecondarySearchResults(termInfoMap, secondarySearchDictionaryMap); secondaryDefinitions = [...unsequencedDefinitions, ...secondaryDefinitions]; this._removeUsedDefinitions(secondaryDefinitions, termInfoMap, usedDefinitions); this._removeDuplicateDefinitions(secondaryDefinitions); this._mergeByGlossary(secondaryDefinitions, glossaryDefinitionGroupMap); const allExpressions = new Set(); const allReadings = new Set(); for (const {expressions, readings} of glossaryDefinitionGroupMap.values()) { for (const expression of expressions) { allExpressions.add(expression); } for (const reading of readings) { allReadings.add(reading); } } for (const {expressions, readings, definitions} of glossaryDefinitionGroupMap.values()) { const glossaryDefinition = this._createMergedGlossaryTermDefinition( source, rawSource, definitions, expressions, readings, allExpressions, allReadings ); glossaryDefinitions.push(glossaryDefinition); } this._sortDefinitions(glossaryDefinitions, true); const termDetailsList = this._createTermDetailsListFromTermInfoMap(termInfoMap); return this._createMergedTermDefinition( source, rawSource, glossaryDefinitions, [...allExpressions], [...allReadings], termDetailsList, reasons, score ); } _removeUsedDefinitions(definitions, termInfoMap, usedDefinitions) { for (let i = 0, ii = definitions.length; i < ii; ++i) { const definition = definitions[i]; const {expression, reading} = definition; const expressionMap = termInfoMap.get(expression); if ( typeof expressionMap !== 'undefined' && typeof expressionMap.get(reading) !== 'undefined' ) { usedDefinitions.add(definition); } else { definitions.splice(i, 1); --i; --ii; } } } _getUniqueDefinitionTags(definitions) { const definitionTagsMap = new Map(); for (const {definitionTags} of definitions) { for (const tag of definitionTags) { const {name} = tag; if (definitionTagsMap.has(name)) { continue; } definitionTagsMap.set(name, this._cloneTag(tag)); } } return [...definitionTagsMap.values()]; } _removeDuplicateDefinitions(definitions) { const definitionGroups = new Map(); for (let i = 0, ii = definitions.length; i < ii; ++i) { const definition = definitions[i]; const {id} = definition; const existing = definitionGroups.get(id); if (typeof existing === 'undefined') { definitionGroups.set(id, [i, definition]); continue; } let removeIndex = i; if (definition.source.length > existing[1].source.length) { definitionGroups.set(id, [i, definition]); removeIndex = existing[0]; } definitions.splice(removeIndex, 1); --i; --ii; } } _flagRedundantDefinitionTags(definitions) { let lastDictionary = null; let lastPartOfSpeech = ''; const removeCategoriesSet = new Set(); for (const {dictionary, definitionTags} of definitions) { const partOfSpeech = this._createMapKey(this._getTagNamesWithCategory(definitionTags, 'partOfSpeech')); if (lastDictionary !== dictionary) { lastDictionary = dictionary; lastPartOfSpeech = ''; } if (lastPartOfSpeech === partOfSpeech) { removeCategoriesSet.add('partOfSpeech'); } else { lastPartOfSpeech = partOfSpeech; } if (removeCategoriesSet.size > 0) { this._flagTagsWithCategoryAsRedundant(definitionTags, removeCategoriesSet); removeCategoriesSet.clear(); } } } _groupTerms(definitions) { const groups = new Map(); for (const definition of definitions) { const key = this._createMapKey([definition.source, definition.expression, definition.reading, ...definition.reasons]); let groupDefinitions = groups.get(key); if (typeof groupDefinitions === 'undefined') { groupDefinitions = []; groups.set(key, groupDefinitions); } groupDefinitions.push(definition); } const results = []; for (const groupDefinitions of groups.values()) { this._sortDefinitions(groupDefinitions, true); const definition = this._createGroupedTermDefinition(groupDefinitions); results.push(definition); } return results; } _mergeByGlossary(definitions, glossaryDefinitionGroupMap) { for (const definition of definitions) { const {expression, reading, dictionary, glossary, id} = definition; const key = this._createMapKey([dictionary, ...glossary]); let group = glossaryDefinitionGroupMap.get(key); if (typeof group === 'undefined') { group = { expressions: new Set(), readings: new Set(), definitions: [], definitionIds: new Set() }; glossaryDefinitionGroupMap.set(key, group); } const {definitionIds} = group; if (definitionIds.has(id)) { continue; } definitionIds.add(id); group.expressions.add(expression); group.readings.add(reading); group.definitions.push(definition); } } _addUniqueTermInfos(definitions, termInfoMap) { for (const {expression, reading, sourceTerm, furiganaSegments, termTags} of definitions) { let readingMap = termInfoMap.get(expression); if (typeof readingMap === 'undefined') { readingMap = new Map(); termInfoMap.set(expression, readingMap); } let termInfo = readingMap.get(reading); if (typeof termInfo === 'undefined') { termInfo = { sourceTerm, furiganaSegments, termTagsMap: new Map() }; readingMap.set(reading, termInfo); } const {termTagsMap} = termInfo; for (const tag of termTags) { const {name} = tag; if (termTagsMap.has(name)) { continue; } termTagsMap.set(name, this._cloneTag(tag)); } } } _convertTermDefinitionsToMergedGlossaryTermDefinitions(definitions) { const convertedDefinitions = []; for (const definition of definitions) { const {source, rawSource, expression, reading} = definition; const expressions = new Set([expression]); const readings = new Set([reading]); const convertedDefinition = this._createMergedGlossaryTermDefinition(source, rawSource, [definition], expressions, readings, expressions, readings); convertedDefinitions.push(convertedDefinition); } return convertedDefinitions; } // Metadata building async _buildTermMeta(definitions, enabledDictionaryMap) { const addMetadataTargetInfo = (targetMap1, target, parents) => { let {expression, reading} = target; if (!reading) { reading = expression; } let targetMap2 = targetMap1.get(expression); if (typeof targetMap2 === 'undefined') { targetMap2 = new Map(); targetMap1.set(expression, targetMap2); } let targets = targetMap2.get(reading); if (typeof targets === 'undefined') { targets = new Set([target, ...parents]); targetMap2.set(reading, targets); } else { targets.add(target); for (const parent of parents) { targets.add(parent); } } }; const targetMap = new Map(); const definitionsQueue = definitions.map((definition) => ({definition, parents: []})); while (definitionsQueue.length > 0) { const {definition, parents} = definitionsQueue.shift(); const childDefinitions = definition.definitions; if (Array.isArray(childDefinitions)) { for (const definition2 of childDefinitions) { definitionsQueue.push({definition: definition2, parents: [...parents, definition]}); } } else { addMetadataTargetInfo(targetMap, definition, parents); } for (const target of definition.expressions) { addMetadataTargetInfo(targetMap, target, []); } } const targetMapEntries = [...targetMap.entries()]; const uniqueExpressions = targetMapEntries.map(([expression]) => expression); const metas = await this._database.findTermMetaBulk(uniqueExpressions, enabledDictionaryMap); for (const {expression, mode, data, dictionary, index} of metas) { const targetMap2 = targetMapEntries[index][1]; for (const [reading, targets] of targetMap2) { switch (mode) { case 'freq': { const frequencyData = this._getTermFrequencyData(expression, reading, dictionary, data); if (frequencyData === null) { continue; } for (const {frequencies} of targets) { frequencies.push(frequencyData); } } break; case 'pitch': { const pitchData = await this._getPitchData(expression, reading, dictionary, data); if (pitchData === null) { continue; } for (const {pitches} of targets) { pitches.push(pitchData); } } break; } } } } async _buildKanjiMeta(definitions, enabledDictionaryMap) { const kanjiList = []; for (const {character} of definitions) { kanjiList.push(character); } const metas = await this._database.findKanjiMetaBulk(kanjiList, enabledDictionaryMap); for (const {character, mode, data, dictionary, index} of metas) { switch (mode) { case 'freq': { const frequencyData = this._getKanjiFrequencyData(character, dictionary, data); definitions[index].frequencies.push(frequencyData); } break; } } } async _expandTags(names, dictionary) { const tagMetaList = await this._getTagMetaList(names, dictionary); const results = []; for (let i = 0, ii = tagMetaList.length; i < ii; ++i) { const meta = tagMetaList[i]; const name = names[i]; const {category, notes, order, score} = (meta !== null ? meta : {}); const tag = this._createTag(name, category, notes, order, score, dictionary, false); results.push(tag); } return results; } async _expandStats(items, dictionary) { const names = Object.keys(items); const tagMetaList = await this._getTagMetaList(names, dictionary); const statsGroups = new Map(); for (let i = 0; i < names.length; ++i) { const name = names[i]; const meta = tagMetaList[i]; if (meta === null) { continue; } const {category, notes, order, score} = meta; let group = statsGroups.get(category); if (typeof group === 'undefined') { group = []; statsGroups.set(category, group); } const value = items[name]; const stat = this._createKanjiStat(name, category, notes, order, score, dictionary, value); group.push(stat); } const stats = {}; for (const [category, group] of statsGroups.entries()) { this._sortKanjiStats(group); stats[category] = group; } return stats; } async _getTagMetaList(names, dictionary) { const tagMetaList = []; let cache = this._tagCache.get(dictionary); if (typeof cache === 'undefined') { cache = new Map(); this._tagCache.set(dictionary, cache); } for (const name of names) { const base = this._getNameBase(name); let tagMeta = cache.get(base); if (typeof tagMeta === 'undefined') { tagMeta = await this._database.findTagForTitle(base, dictionary); cache.set(base, tagMeta); } tagMetaList.push(tagMeta); } return tagMetaList; } _getTermFrequencyData(expression, reading, dictionary, data) { let frequency = data; const hasReading = (data !== null && typeof data === 'object'); if (hasReading) { if (data.reading !== reading) { return null; } frequency = data.frequency; } return {dictionary, expression, reading, hasReading, frequency}; } _getKanjiFrequencyData(character, dictionary, data) { return {dictionary, character, frequency: data}; } async _getPitchData(expression, reading, dictionary, data) { if (data.reading !== reading) { return null; } const pitches = []; for (let {position, tags} of data.pitches) { tags = Array.isArray(tags) ? await this._expandTags(tags, dictionary) : []; pitches.push({position, tags}); } return {expression, reading, dictionary, pitches}; } // Simple helpers _scoreToTermFrequency(score) { if (score > 0) { return 'popular'; } else if (score < 0) { return 'rare'; } else { return 'normal'; } } _getNameBase(name) { const pos = name.indexOf(':'); return (pos >= 0 ? name.substring(0, pos) : name); } _getSearchableText(text, allowAlphanumericCharacters) { if (allowAlphanumericCharacters) { return text; } const jp = this._japaneseUtil; let newText = ''; for (const c of text) { if (!jp.isCodePointJapanese(c.codePointAt(0))) { break; } newText += c; } return newText; } _getTextOptionEntryVariants(value) { switch (value) { case 'true': return [true]; case 'variant': return [false, true]; default: return [false]; } } _getCollapseEmphaticOptions(options) { const collapseEmphaticOptions = [[false, false]]; switch (options.collapseEmphaticSequences) { case 'true': collapseEmphaticOptions.push([true, false]); break; case 'full': collapseEmphaticOptions.push([true, false], [true, true]); break; } return collapseEmphaticOptions; } _getTextReplacementsVariants(options) { return options.textReplacements; } _getSecondarySearchDictionaryMap(enabledDictionaryMap) { const secondarySearchDictionaryMap = new Map(); for (const [dictionary, details] of enabledDictionaryMap.entries()) { if (!details.allowSecondarySearches) { continue; } secondarySearchDictionaryMap.set(dictionary, details); } return secondarySearchDictionaryMap; } _getDictionaryPriority(dictionary, enabledDictionaryMap) { const info = enabledDictionaryMap.get(dictionary); return typeof info !== 'undefined' ? info.priority : 0; } _getTagNamesWithCategory(tags, category) { const results = []; for (const tag of tags) { if (tag.category !== category) { continue; } results.push(tag.name); } results.sort(); return results; } _flagTagsWithCategoryAsRedundant(tags, removeCategoriesSet) { for (const tag of tags) { if (removeCategoriesSet.has(tag.category)) { tag.redundant = true; } } } _getUniqueDictionaryNames(definitions) { const uniqueDictionaryNames = new Set(); for (const {dictionaryNames} of definitions) { for (const dictionaryName of dictionaryNames) { uniqueDictionaryNames.add(dictionaryName); } } return [...uniqueDictionaryNames]; } _getUniqueTermTags(definitions) { const newTermTags = []; if (definitions.length <= 1) { for (const {termTags} of definitions) { for (const tag of termTags) { newTermTags.push(this._cloneTag(tag)); } } } else { const tagsSet = new Set(); let checkTagsMap = false; for (const {termTags} of definitions) { for (const tag of termTags) { const key = this._getTagMapKey(tag); if (checkTagsMap && tagsSet.has(key)) { continue; } tagsSet.add(key); newTermTags.push(this._cloneTag(tag)); } checkTagsMap = true; } } return newTermTags; } *_getArrayVariants(arrayVariants) { const ii = arrayVariants.length; let total = 1; for (let i = 0; i < ii; ++i) { total *= arrayVariants[i].length; } for (let a = 0; a < total; ++a) { const variant = []; let index = a; for (let i = 0; i < ii; ++i) { const entryVariants = arrayVariants[i]; variant.push(entryVariants[index % entryVariants.length]); index = Math.floor(index / entryVariants.length); } yield variant; } } _areSetsEqual(set1, set2) { if (set1.size !== set2.size) { return false; } for (const value of set1) { if (!set2.has(value)) { return false; } } return true; } _getSetIntersection(set1, set2) { const result = []; for (const value of set1) { if (set2.has(value)) { result.push(value); } } return result; } // Reduction functions _getTermTagsScoreSum(termTags) { let result = 0; for (const {score} of termTags) { result += score; } return result; } _getSourceTermMatchCountSum(definitions) { let result = 0; for (const {sourceTermExactMatchCount} of definitions) { result += sourceTermExactMatchCount; } return result; } _getMaxDefinitionScore(definitions) { let result = Number.MIN_SAFE_INTEGER; for (const {score} of definitions) { if (score > result) { result = score; } } return result; } _getMaxDictionaryPriority(definitions) { let result = Number.MIN_SAFE_INTEGER; for (const {dictionaryPriority} of definitions) { if (dictionaryPriority > result) { result = dictionaryPriority; } } return result; } // Common data creation and cloning functions _cloneTag(tag) { const {name, category, notes, order, score, dictionary, redundant} = tag; return this._createTag(name, category, notes, order, score, dictionary, redundant); } _getTagMapKey(tag) { const {name, category, notes} = tag; return this._createMapKey([name, category, notes]); } _createMapKey(array) { return JSON.stringify(array); } _createTag(name, category, notes, order, score, dictionary, redundant) { return { name, category: (typeof category === 'string' && category.length > 0 ? category : 'default'), notes: (typeof notes === 'string' ? notes : ''), order: (typeof order === 'number' ? order : 0), score: (typeof score === 'number' ? score : 0), dictionary: (typeof dictionary === 'string' ? dictionary : null), redundant }; } _createKanjiStat(name, category, notes, order, score, dictionary, value) { return { name, category: (typeof category === 'string' && category.length > 0 ? category : 'default'), notes: (typeof notes === 'string' ? notes : ''), order: (typeof order === 'number' ? order : 0), score: (typeof score === 'number' ? score : 0), dictionary: (typeof dictionary === 'string' ? dictionary : null), value }; } _createKanjiDefinition(character, dictionary, onyomi, kunyomi, glossary, tags, stats) { return { type: 'kanji', character, dictionary, onyomi, kunyomi, glossary, tags, stats, frequencies: [] }; } async _createTermDefinitionFromDatabaseDefinition(databaseDefinition, source, rawSource, sourceTerm, reasons, enabledDictionaryMap) { const {expression, reading, definitionTags, termTags, glossary, score, dictionary, id, sequence} = databaseDefinition; const dictionaryPriority = this._getDictionaryPriority(dictionary, enabledDictionaryMap); const termTagsExpanded = await this._expandTags(termTags, dictionary); const definitionTagsExpanded = await this._expandTags(definitionTags, dictionary); this._sortTags(definitionTagsExpanded); this._sortTags(termTagsExpanded); const furiganaSegments = this._japaneseUtil.distributeFurigana(expression, reading); const termDetailsList = [this._createTermDetails(sourceTerm, expression, reading, furiganaSegments, termTagsExpanded)]; const sourceTermExactMatchCount = (sourceTerm === expression ? 1 : 0); return { type: 'term', id, source, rawSource, sourceTerm, reasons, score, sequence, dictionary, dictionaryPriority, dictionaryNames: [dictionary], expression, reading, expressions: termDetailsList, furiganaSegments, glossary, definitionTags: definitionTagsExpanded, termTags: termTagsExpanded, // definitions frequencies: [], pitches: [], // only sourceTermExactMatchCount }; } _createGroupedTermDefinition(definitions) { const {expression, reading, furiganaSegments, reasons, source, rawSource, sourceTerm} = definitions[0]; const score = this._getMaxDefinitionScore(definitions); const dictionaryPriority = this._getMaxDictionaryPriority(definitions); const dictionaryNames = this._getUniqueDictionaryNames(definitions); const termTags = this._getUniqueTermTags(definitions); const termDetailsList = [this._createTermDetails(sourceTerm, expression, reading, furiganaSegments, termTags)]; const sourceTermExactMatchCount = (sourceTerm === expression ? 1 : 0); return { type: 'termGrouped', // id source, rawSource, sourceTerm, reasons: [...reasons], score, // sequence dictionary: dictionaryNames[0], dictionaryPriority, dictionaryNames, expression, reading, expressions: termDetailsList, furiganaSegments, // Contains duplicate data // glossary // definitionTags termTags, definitions, // type: 'term' frequencies: [], pitches: [], // only sourceTermExactMatchCount }; } _createMergedTermDefinition(source, rawSource, definitions, expressions, readings, termDetailsList, reasons, score) { const dictionaryPriority = this._getMaxDictionaryPriority(definitions); const sourceTermExactMatchCount = this._getSourceTermMatchCountSum(definitions); const dictionaryNames = this._getUniqueDictionaryNames(definitions); return { type: 'termMerged', // id source, rawSource, // sourceTerm reasons, score, // sequence dictionary: dictionaryNames[0], dictionaryPriority, dictionaryNames, expression: expressions, reading: readings, expressions: termDetailsList, // furiganaSegments // glossary // definitionTags // termTags definitions, // type: 'termMergedByGlossary' frequencies: [], pitches: [], // only sourceTermExactMatchCount }; } _createMergedGlossaryTermDefinition(source, rawSource, definitions, expressions, readings, allExpressions, allReadings) { const only = []; if (!this._areSetsEqual(expressions, allExpressions)) { only.push(...this._getSetIntersection(expressions, allExpressions)); } if (!this._areSetsEqual(readings, allReadings)) { only.push(...this._getSetIntersection(readings, allReadings)); } const sourceTermExactMatchCount = this._getSourceTermMatchCountSum(definitions); const dictionaryNames = this._getUniqueDictionaryNames(definitions); const termInfoMap = new Map(); this._addUniqueTermInfos(definitions, termInfoMap); const termDetailsList = this._createTermDetailsListFromTermInfoMap(termInfoMap); const definitionTags = this._getUniqueDefinitionTags(definitions); this._sortTags(definitionTags); const {glossary} = definitions[0]; const score = this._getMaxDefinitionScore(definitions); const dictionaryPriority = this._getMaxDictionaryPriority(definitions); return { type: 'termMergedByGlossary', // id source, rawSource, // sourceTerm reasons: [], score, // sequence dictionary: dictionaryNames[0], dictionaryPriority, dictionaryNames, expression: [...expressions], reading: [...readings], expressions: termDetailsList, // furiganaSegments glossary: [...glossary], definitionTags, // termTags definitions, // type: 'term'; contains duplicate data frequencies: [], pitches: [], only, sourceTermExactMatchCount }; } _createTermDetailsListFromTermInfoMap(termInfoMap) { const termDetailsList = []; for (const [expression, readingMap] of termInfoMap.entries()) { for (const [reading, {termTagsMap, sourceTerm, furiganaSegments}] of readingMap.entries()) { const termTags = [...termTagsMap.values()]; this._sortTags(termTags); termDetailsList.push(this._createTermDetails(sourceTerm, expression, reading, furiganaSegments, termTags)); } } return termDetailsList; } _createTermDetails(sourceTerm, expression, reading, furiganaSegments, termTags) { const termFrequency = this._scoreToTermFrequency(this._getTermTagsScoreSum(termTags)); return { sourceTerm, expression, reading, furiganaSegments, // Contains duplicate data termTags, termFrequency, frequencies: [], pitches: [] }; } // Sorting functions _sortTags(tags) { if (tags.length <= 1) { return; } const stringComparer = this._stringComparer; tags.sort((v1, v2) => { const i = v1.order - v2.order; if (i !== 0) { return i; } return stringComparer.compare(v1.name, v2.name); }); } _sortDefinitions(definitions, useDictionaryPriority) { if (definitions.length <= 1) { return; } const stringComparer = this._stringComparer; const compareFunction1 = (v1, v2) => { let i = v2.source.length - v1.source.length; if (i !== 0) { return i; } i = v1.reasons.length - v2.reasons.length; if (i !== 0) { return i; } i = v2.sourceTermExactMatchCount - v1.sourceTermExactMatchCount; if (i !== 0) { return i; } i = v2.score - v1.score; if (i !== 0) { return i; } const expression1 = v1.expression; const expression2 = v2.expression; if (typeof expression1 !== 'string' || typeof expression2 !== 'string') { return 0; } // Skip if either is not a string (array) i = expression2.length - expression1.length; if (i !== 0) { return i; } return stringComparer.compare(expression1, expression2); }; const compareFunction2 = (v1, v2) => { const i = v2.dictionaryPriority - v1.dictionaryPriority; return (i !== 0) ? i : compareFunction1(v1, v2); }; definitions.sort(useDictionaryPriority ? compareFunction2 : compareFunction1); } _sortDatabaseDefinitionsByIndex(definitions) { if (definitions.length <= 1) { return; } definitions.sort((a, b) => a.index - b.index); } _sortDefinitionsById(definitions) { if (definitions.length <= 1) { return; } definitions.sort((a, b) => a.id - b.id); } _sortKanjiStats(stats) { if (stats.length <= 1) { return; } const stringComparer = this._stringComparer; stats.sort((v1, v2) => { const i = v1.order - v2.order; if (i !== 0) { return i; } return stringComparer.compare(v1.notes, v2.notes); }); } // Regex functions _applyTextReplacements(text, sourceMap, replacements) { for (const {pattern, replacement} of replacements) { text = this._applyTextReplacement(text, sourceMap, pattern, replacement); } return text; } _applyTextReplacement(text, sourceMap, pattern, replacement) { const isGlobal = pattern.global; if (isGlobal) { pattern.lastIndex = 0; } for (let loop = true; loop; loop = isGlobal) { const match = pattern.exec(text); if (match === null) { break; } const matchText = match[0]; const index = match.index; const actualReplacement = this._applyMatchReplacement(replacement, match); const actualReplacementLength = actualReplacement.length; const delta = actualReplacementLength - (matchText.length > 0 ? matchText.length : -1); text = `${text.substring(0, index)}${actualReplacement}${text.substring(index + matchText.length)}`; pattern.lastIndex += delta; if (actualReplacementLength > 0) { sourceMap.combine(Math.max(0, index - 1), matchText.length); sourceMap.insert(index, ...(new Array(actualReplacementLength).fill(0))); } else { sourceMap.combine(index, matchText.length); } } return text; } _applyMatchReplacement(replacement, match) { const pattern = /\$(?:\$|&|`|'|(\d\d?)|<([^>]*)>)/g; return replacement.replace(pattern, (g0, g1, g2) => { if (typeof g1 !== 'undefined') { const matchIndex = Number.parseInt(g1, 10); if (matchIndex >= 1 && matchIndex <= match.length) { return match[matchIndex]; } } else if (typeof g2 !== 'undefined') { const {groups} = match; if (typeof groups === 'object' && groups !== null && Object.prototype.hasOwnProperty.call(groups, g2)) { return groups[g2]; } } else { switch (g0) { case '$': return '$'; case '&': return match[0]; case '`': return replacement.substring(0, match.index); case '\'': return replacement.substring(match.index + g0.length); } } return g0; }); } }