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/*
* Copyright (C) 2016 Alex Yatskov <alex@foosoft.net>
* Author: Alex Yatskov <alex@foosoft.net>
*
* 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 <http://www.gnu.org/licenses/>.
*/
class Translator {
constructor() {
this.paths = {
rules: 'bg/data/rules.json',
tags: 'bg/data/tags.json',
edict: 'bg/data/edict.json',
enamdict: 'bg/data/enamdict.json',
kanjidic: 'bg/data/kanjidic.json'
};
this.loaded = false;
this.tags = null;
this.dictionary = new Dictionary();
this.deinflector = new Deinflector();
}
loadData({loadEnamDict=true}, callback) {
if (this.loaded) {
callback();
return;
}
let files = ['rules', 'tags', 'edict', 'kanjidic'];
if (loadEnamDict) {
files = files.concat('enamdict');
}
const pendingLoads = [];
for (const key of files) {
pendingLoads.push(key);
Translator.loadData(this.paths[key], (response) => {
switch (key) {
case 'rules':
this.deinflector.setRules(JSON.parse(response));
break;
case 'tags':
this.tags = JSON.parse(response);
break;
case 'kanjidic':
this.dictionary.addKanjiDict(key, JSON.parse(response));
break;
case 'edict':
case 'enamdict':
this.dictionary.addTermDict(key, JSON.parse(response));
break;
}
pendingLoads.splice(pendingLoads.indexOf(key), 1);
if (pendingLoads.length === 0) {
this.loaded = true;
callback();
}
});
}
}
findTerm(text) {
const groups = {};
for (let i = text.length; i > 0; --i) {
const term = text.slice(0, i);
const dfs = this.deinflector.deinflect(term, t => {
const tags = [];
for (const d of this.dictionary.findTerm(t)) {
tags.push(d.tags);
}
return tags;
});
if (dfs === null) {
continue;
}
for (const df of dfs) {
this.processTerm(groups, df.source, df.tags, df.rules, df.root);
}
}
let definitions = [];
for (const key in groups) {
definitions.push(groups[key]);
}
definitions = definitions.sort((v1, v2) => {
const sl1 = v1.source.length;
const sl2 = v2.source.length;
if (sl1 > sl2) {
return -1;
} else if (sl1 < sl2) {
return 1;
}
const p1 = v1.popular;
const p2 = v2.popular;
if (p1 && !p2) {
return -1;
} else if (!p1 && p2) {
return 1;
}
const rl1 = v1.rules.length;
const rl2 = v2.rules.length;
if (rl1 < rl2) {
return -1;
} else if (rl1 > rl2) {
return 1;
}
return 0;
});
let length = 0;
for (const result of definitions) {
length = Math.max(length, result.source.length);
}
return {definitions: definitions, length: length};
}
findKanji(text) {
let definitions = [];
const processed = {};
for (const c of text) {
if (!processed[c]) {
definitions = definitions.concat(this.dictionary.findKanji(c));
processed[c] = true;
}
}
return definitions;
}
processTerm(groups, source, tags, rules=[], root='') {
for (const entry of this.dictionary.findTerm(root)) {
if (entry.id in groups) {
continue;
}
let matched = tags.length == 0;
for (const tag of tags) {
if (entry.tags.indexOf(tag) !== -1) {
matched = true;
break;
}
}
let popular = false;
let tagItems = [];
for (const tag of entry.tags) {
const tagItem = this.tags[tag];
if (tagItem && entry.addons.indexOf(tag) === -1) {
tagItems.push({
class: tagItem.class || 'default',
order: tagItem.order || Number.MAX_SAFE_INTEGER,
desc: tagItem.desc,
name: tag
});
}
//
// TODO: Handle tagging as popular through data.
//
if (tag === 'P') {
popular = true;
}
}
tagItems = tagItems.sort((v1, v2) => {
const order1 = v1.order;
const order2 = v2.order;
if (order1 < order2) {
return -1;
} else if (order1 > order2) {
return 1;
}
const name1 = v1.name;
const name2 = v2.name;
if (name1 < name2) {
return -1;
} else if (name1 > name2) {
return 1;
}
return 0;
});
if (matched) {
groups[entry.id] = {
expression: entry.expression,
reading: entry.reading,
glossary: entry.glossary,
tags: tagItems,
source: source,
rules: rules,
popular: popular
};
}
}
}
static isHiragana(c) {
const code = c.charCodeAt(0);
return code >= 0x3040 && code < 0x30a0;
}
static isKatakana(c) {
const code = c.charCodeAt(0);
return code >= 0x30a0 && code < 0x3100;
}
static isKanji(c) {
const code = c.charCodeAt(0);
return code >= 0x4e00 && code < 0x9fb0 || code >= 0x3400 && code < 0x4dc0;
}
static loadData(url, callback) {
const xhr = new XMLHttpRequest();
xhr.addEventListener('load', () => callback(xhr.responseText));
xhr.open('GET', chrome.extension.getURL(url), true);
xhr.send();
}
}
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