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
|
/*
* 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/>.
*/
function invokeApiBg(action, params) {
return new Promise((resolve, reject) => chrome.runtime.sendMessage({action, params}, resolve));
}
function getEnabled() {
return invokeApiBg('getEnabled', {});
}
function getOptions() {
return invokeApiBg('getOptions', {});
}
function findTerm(text) {
return invokeApiBg('findTerm', {text});
}
function findKanji(text) {
return invokeApiBg('findKanji', {text});
}
function renderText(data, template) {
return invokeApiBg('renderText', {data, template});
}
function canAddDefinitions(definitions, modes) {
return invokeApiBg('canAddDefinitions', {definitions, modes});
}
function addDefinition(definition, mode) {
return invokeApiBg('addDefinition', {definition, mode});
}
function textSourceFromPoint(point) {
const element = document.elementFromPoint(point.x, point.y);
if (element !== null) {
const names = ['IMG', 'INPUT', 'BUTTON', 'TEXTAREA'];
if (names.includes(element.nodeName)) {
return new TextSourceElement(element);
}
}
const range = document.caretRangeFromPoint(point.x, point.y);
if (range !== null) {
return new TextSourceRange(range);
}
return null;
}
function extractSentence(source, extent) {
const quotesFwd = {'「': '」', '『': '』', "'": "'", '"': '"'};
const quotesBwd = {'」': '「', '』': '『', "'": "'", '"': '"'};
const terminators = '…。．.？?！!';
const sourceLocal = source.clone();
const position = sourceLocal.setStartOffset(extent);
sourceLocal.setEndOffset(position + extent);
const content = sourceLocal.text();
let quoteStack = [];
let startPos = 0;
for (let i = position; i >= startPos; --i) {
const c = content[i];
if (quoteStack.length === 0 && (terminators.includes(c) || c in quotesFwd)) {
startPos = i + 1;
break;
}
if (quoteStack.length > 0 && c === quoteStack[0]) {
quoteStack.pop();
} else if (c in quotesBwd) {
quoteStack = [quotesBwd[c]].concat(quoteStack);
}
}
quoteStack = [];
let endPos = content.length;
for (let i = position; i < endPos; ++i) {
const c = content[i];
if (quoteStack.length === 0) {
if (terminators.includes(c)) {
endPos = i + 1;
break;
}
else if (c in quotesBwd) {
endPos = i;
break;
}
}
if (quoteStack.length > 0 && c === quoteStack[0]) {
quoteStack.pop();
} else if (c in quotesFwd) {
quoteStack = [quotesFwd[c]].concat(quoteStack);
}
}
return content.substring(startPos, endPos).trim();
}
|