summaryrefslogtreecommitdiff
path: root/ext/bg/js/translator.js
diff options
context:
space:
mode:
Diffstat (limited to 'ext/bg/js/translator.js')
-rw-r--r--ext/bg/js/translator.js132
1 files changed, 89 insertions, 43 deletions
diff --git a/ext/bg/js/translator.js b/ext/bg/js/translator.js
index 34b6ca34..7af3f61f 100644
--- a/ext/bg/js/translator.js
+++ b/ext/bg/js/translator.js
@@ -21,7 +21,14 @@
* jp
*/
+/**
+ * Class which finds term and kanji definitions for text.
+ */
class Translator {
+ /**
+ * Creates a new Translator instance.
+ * @param database An instance of DictionaryDatabase.
+ */
constructor(database) {
this._database = database;
this._deinflector = null;
@@ -29,32 +36,82 @@ class Translator {
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 and await'd.
+ */
async prepare() {
const reasons = await this._fetchJsonAsset('/bg/lang/deinflect.json');
this._deinflector = new Deinflector(reasons);
}
+ /**
+ * Clears the database tag cache. This should be executed if the database is changed.
+ */
clearDatabaseCaches() {
this._tagCache.clear();
}
- async findTerms(mode, text, details, options) {
+ /**
+ * Finds term definitions for the given text.
+ * @param mode The mode to use for finding terms, which determines the format of the resulting array.
+ * @param text The text to find terms for.
+ * @param options An object using the following structure:
+ * {
+ * wildcard: (null or string),
+ * compactTags: (boolean),
+ * mainDictionary: (string),
+ * alphanumeric: (boolean),
+ * convertHalfWidthCharacters: (boolean),
+ * convertNumericCharacters: (boolean),
+ * convertAlphabeticCharacters: (boolean),
+ * convertHiraganaToKatakana: (boolean),
+ * convertKatakanaToHiragana: (boolean),
+ * collapseEmphaticSequences: (boolean),
+ * 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, details, options);
+ return await this._findTermsGrouped(text, options);
case 'merge':
- return await this._findTermsMerged(text, details, options);
+ return await this._findTermsMerged(text, options);
case 'split':
- return await this._findTermsSplit(text, details, options);
+ return await this._findTermsSplit(text, options);
case 'simple':
- return await this._findTermsSimple(text, details, options);
+ 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 = this._getEnabledDictionaryMap(options);
+ const {enabledDictionaryMap} = options;
const kanjiUnique = new Set();
for (const c of text) {
kanjiUnique.add(c);
@@ -250,10 +307,9 @@ class Translator {
return result;
}
- async _findTermsGrouped(text, details, options) {
- const {general: {compactTags}} = options;
- const enabledDictionaryMap = this._getEnabledDictionaryMap(options);
- const [definitions, length] = await this._findTermsInternal(text, enabledDictionaryMap, details, options);
+ async _findTermsGrouped(text, options) {
+ const {compactTags, enabledDictionaryMap} = options;
+ const [definitions, length] = await this._findTermsInternal(text, enabledDictionaryMap, options);
const groupedDefinitions = this._groupTerms(definitions, enabledDictionaryMap);
await this._buildTermMeta(groupedDefinitions, enabledDictionaryMap);
@@ -268,12 +324,11 @@ class Translator {
return [groupedDefinitions, length];
}
- async _findTermsMerged(text, details, options) {
- const {general: {compactTags, mainDictionary}} = options;
- const enabledDictionaryMap = this._getEnabledDictionaryMap(options);
+ async _findTermsMerged(text, options) {
+ const {compactTags, mainDictionary, enabledDictionaryMap} = options;
const secondarySearchDictionaryMap = this._getSecondarySearchDictionaryMap(enabledDictionaryMap);
- const [definitions, length] = await this._findTermsInternal(text, enabledDictionaryMap, details, options);
+ const [definitions, length] = await this._findTermsInternal(text, enabledDictionaryMap, options);
const {sequencedDefinitions, unsequencedDefinitions} = await this._getSequencedDefinitions(definitions, mainDictionary, enabledDictionaryMap);
const definitionsMerged = [];
const usedDefinitions = new Set();
@@ -318,30 +373,31 @@ class Translator {
return [definitionsMerged, length];
}
- async _findTermsSplit(text, details, options) {
- const enabledDictionaryMap = this._getEnabledDictionaryMap(options);
- const [definitions, length] = await this._findTermsInternal(text, enabledDictionaryMap, details, options);
+ 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 _findTermsSimple(text, details, options) {
- const enabledDictionaryMap = this._getEnabledDictionaryMap(options);
- const [definitions, length] = await this._findTermsInternal(text, enabledDictionaryMap, details, options);
+ async _findTermsSimple(text, options) {
+ const {enabledDictionaryMap} = options;
+ const [definitions, length] = await this._findTermsInternal(text, enabledDictionaryMap, options);
this._sortDefinitions(definitions, false);
return [definitions, length];
}
- async _findTermsInternal(text, enabledDictionaryMap, details, options) {
- text = this._getSearchableText(text, options.scanning.alphanumeric);
+ async _findTermsInternal(text, enabledDictionaryMap, options) {
+ const {alphanumeric, wildcard} = options;
+ text = this._getSearchableText(text, alphanumeric);
if (text.length === 0) {
return [[], 0];
}
const deinflections = (
- details.wildcard ?
- await this._findTermWildcard(text, enabledDictionaryMap, details.wildcard) :
+ wildcard ?
+ await this._findTermWildcard(text, enabledDictionaryMap, wildcard) :
await this._findTermDeinflections(text, enabledDictionaryMap, options)
);
@@ -414,9 +470,8 @@ class Translator {
}
_getAllDeinflections(text, options) {
- const translationOptions = options.translation;
const collapseEmphaticOptions = [[false, false]];
- switch (translationOptions.collapseEmphaticSequences) {
+ switch (options.collapseEmphaticSequences) {
case 'true':
collapseEmphaticOptions.push([true, false]);
break;
@@ -425,11 +480,11 @@ class Translator {
break;
}
const textOptionVariantArray = [
- this._getTextOptionEntryVariants(translationOptions.convertHalfWidthCharacters),
- this._getTextOptionEntryVariants(translationOptions.convertNumericCharacters),
- this._getTextOptionEntryVariants(translationOptions.convertAlphabeticCharacters),
- this._getTextOptionEntryVariants(translationOptions.convertHiraganaToKatakana),
- this._getTextOptionEntryVariants(translationOptions.convertKatakanaToHiragana),
+ this._getTextOptionEntryVariants(options.convertHalfWidthCharacters),
+ this._getTextOptionEntryVariants(options.convertNumericCharacters),
+ this._getTextOptionEntryVariants(options.convertAlphabeticCharacters),
+ this._getTextOptionEntryVariants(options.convertHiraganaToKatakana),
+ this._getTextOptionEntryVariants(options.convertKatakanaToHiragana),
collapseEmphaticOptions
];
@@ -707,15 +762,6 @@ class Translator {
return await response.json();
}
- _getEnabledDictionaryMap(options) {
- const enabledDictionaryMap = new Map();
- for (const [title, {enabled, priority, allowSecondarySearches}] of Object.entries(options.dictionaries)) {
- if (!enabled) { continue; }
- enabledDictionaryMap.set(title, {priority, allowSecondarySearches});
- }
- return enabledDictionaryMap;
- }
-
_getSecondarySearchDictionaryMap(enabledDictionaryMap) {
const secondarySearchDictionaryMap = new Map();
for (const [title, dictionary] of enabledDictionaryMap.entries()) {
@@ -999,7 +1045,7 @@ class Translator {
// glossary
// definitionTags
termTags: this._cloneTags(termTags),
- definitions,
+ definitions, // type: 'term'
frequencies: [],
pitches: []
// only
@@ -1025,7 +1071,7 @@ class Translator {
// glossary
// definitionTags
// termTags
- definitions,
+ definitions, // type: 'termMergedByGlossary'
frequencies: [],
pitches: []
// only
@@ -1064,7 +1110,7 @@ class Translator {
glossary: [...glossary],
definitionTags,
// termTags
- definitions, // Contains duplicate data
+ definitions, // type: 'term'; contains duplicate data
frequencies: [],
pitches: [],
only