1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
/*
* 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.database = null;
this.deinflector = null;
}
async prepare() {
if (!this.database) {
this.database = new Database();
await this.database.prepare();
}
if (!this.deinflector) {
const url = chrome.extension.getURL('/bg/lang/deinflect.json');
const reasons = await requestJson(url, 'GET');
this.deinflector = new Deinflector(reasons);
}
}
async findTermsGrouped(text, dictionaries, alphanumeric) {
const titles = Object.keys(dictionaries);
const {length, definitions} = await this.findTerms(text, dictionaries, alphanumeric);
const definitionsGrouped = dictTermsGroup(definitions, dictionaries);
for (const definition of definitionsGrouped) {
this.buildTermFrequencies(definition, titles);
}
return {length, definitions: definitionsGrouped};
}
async findTermsSplit(text, dictionaries, alphanumeric) {
const titles = Object.keys(dictionaries);
const {length, definitions} = await this.findTerms(text, dictionaries, alphanumeric);
for (const definition of definitions) {
this.buildTermFrequencies(definition, titles);
}
return {length, definitions};
}
async findTerms(text, dictionaries, alphanumeric) {
if (!alphanumeric && text.length > 0) {
const c = text[0];
if (!jpIsKana(c) && !jpIsKanji(c)) {
return {length: 0, definitions: []};
}
}
const cache = {};
const titles = Object.keys(dictionaries);
let deinflections = await this.findTermDeinflections(text, titles, cache);
const textHiragana = jpKatakanaToHiragana(text);
if (text !== textHiragana) {
deinflections = deinflections.concat(await this.findTermDeinflections(textHiragana, titles, cache));
}
let definitions = [];
for (const deinflection of deinflections) {
for (const definition of deinflection.definitions) {
const tags = await this.buildTags(definition.tags, definition.dictionary);
tags.push(dictTagBuildSource(definition.dictionary));
definitions.push({
source: deinflection.source,
reasons: deinflection.reasons,
score: definition.score,
id: definition.id,
dictionary: definition.dictionary,
expression: definition.expression,
reading: definition.reading,
glossary: definition.glossary,
tags: dictTagsSort(tags)
});
}
}
definitions = dictTermsUndupe(definitions);
definitions = dictTermsSort(definitions, dictionaries);
let length = 0;
for (const definition of definitions) {
length = Math.max(length, definition.source.length);
}
return {length, definitions};
}
async findTermDeinflections(text, titles, cache) {
const definer = async term => {
if (cache.hasOwnProperty(term)) {
return cache[term];
} else {
return cache[term] = await this.database.findTerms(term, titles);
}
};
let deinflections = [];
for (let i = text.length; i > 0; --i) {
const textSlice = text.slice(0, i);
deinflections = deinflections.concat(await this.deinflector.deinflect(textSlice, definer));
}
return deinflections;
}
async findKanji(text, dictionaries) {
let definitions = [];
const processed = {};
const titles = Object.keys(dictionaries);
for (const c of text) {
if (!processed[c]) {
definitions = definitions.concat(await this.database.findKanji(c, titles));
processed[c] = true;
}
}
for (const definition of definitions) {
const tags = await this.buildTags(definition.tags, definition.dictionary);
tags.push(dictTagBuildSource(definition.dictionary));
definition.tags = dictTagsSort(tags);
definition.frequencies = await this.database.findKanjiFreq(definition.character, titles);
}
return definitions;
}
async buildTermFrequencies(definition, titles) {
definition.frequencies = await this.database.findTermFreq(definition.expression, titles);
if (definition.frequencies.length === 0) {
definition.frequencies = await this.database.findTermFreq(definition.reading, titles);
}
}
async buildTags(names, title) {
const results = [];
for (const name of names) {
const meta = await this.database.findTagForTitle(name.split(':')[0], title);
const result = {name};
for (const prop in meta || {}) {
if (prop !== 'name') {
result[prop] = meta[prop];
}
}
results.push(dictTagSanitize(result));
}
return results;
}
}
|