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dictionary result caching

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This commit is contained in:
Alex Yatskov 2016-12-20 22:43:27 -08:00
parent dd3db8faad
commit 45bf72b40b
1 changed files with 13 additions and 9 deletions
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22
ext/bg/js/translator.js
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@ -42,10 +42,11 @@ class Translator {
}
findTerm(text, dictionaries, enableSoftKatakanaSearch) {
return this.findDeinflectionGroups(text, dictionaries).then(groups => {
const cache = {};
return this.findDeinflectionGroups(text, dictionaries, cache).then(groups => {
const textHiragana = wanakana._katakanaToHiragana(text);
if (text !== textHiragana && enableSoftKatakanaSearch) {
return this.findDeinflectionGroups(textHiragana, dictionaries).then(groupsHiragana => {
return this.findDeinflectionGroups(textHiragana, dictionaries, cache).then(groupsHiragana => {
for (const key in groupsHiragana) {
groups[key] = groups[key] || groupsHiragana[key];
}
@ -74,9 +75,7 @@ class Translator {
}
findKanji(text, dictionaries) {
const processed = {};
const promises = [];
const processed = {}, promises = [];
for (const c of text) {
if (!processed[c]) {
promises.push(this.database.findKanji(c, dictionaries));
@ -87,11 +86,16 @@ class Translator {
return Promise.all(promises).then(sets => this.processKanji(sets.reduce((a, b) => a.concat(b), [])));
}
findDeinflectionGroups(text, dictionaries) {
const definer = term => this.database.findTerm(term, dictionaries);
const groups = {};
const promises = [];
findDeinflectionGroups(text, dictionaries, cache) {
const definer = term => {
if (cache.hasOwnProperty(term)) {
return Promise.resolve(cache[term]);
}
return this.database.findTerm(term, dictionaries).then(definitions => cache[term] = definitions);
};
const groups = {}, promises = [];
for (let i = text.length; i > 0; --i) {
promises.push(
this.deinflector.deinflect(text.slice(0, i), definer).then(deinflections => {