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googleTranslateEngine
此腳本不應該直接安裝，它是一個供其他腳本使用的函式庫。欲使用本函式庫，請在腳本 metadata 寫上： // @require https://update.greasyfork.org/scripts/465512/1185486/GoogleTranslateEngine.js
class TranslateMachine {
constructor() {
this.sessionStorage = {
getItem: async function (key) {
document.defaultView.localStorage.getItem(key);
},
setItem: async function (key, value) {
document.defaultView.localStorage.setItem(key, value);
}
};
this.transdict = {
谷歌翻译: this.translate_gg.bind(this),
谷歌翻译mobile: this.translate_ggm.bind(this)
};
this.remove_url = true;
this.show_info = true;
this.fullscrenn_hidden = true;
this.globalProcessingSave = [];
}
async init(args1, args2, args3) {
// let rule = {
// name: 'WhatsApp',
// selector: this.baseSelector('nav', 0, '*').bind(this),
// textGetter: this.baseTextGetter.bind(this),
// textSetter: this.baseTextSetter.bind(this)
// };
let rule = null;
if (args1 != null && args2 != null && args3 != null) {
rule = {};
rule.name = '';
rule.selector = this.baseSelector(args1, args2, args3).bind(this);
rule.textGetter = this.baseTextGetter.bind(this);
rule.textSetter = this.baseTextSetter.bind(this);
}
let main = async (_) => {
if (!rule) return;
const choice = '谷歌翻译';
const temp = [...new Set(rule.selector())];
for (let i = 0; i < temp.length; i++) {
const now = temp[i];
if (this.globalProcessingSave.includes(now)) continue;
this.globalProcessingSave.push(now);
const text = this.remove_url ? this.url_filter(rule.textGetter(now)) : rule.textGetter(now);
if (text.length == 0) continue;
if (await this.sessionStorage.getItem(choice + '-' + text)) {
rule.textSetter(now, await this.sessionStorage.getItem(choice + '-' + text));
this.removeItem(this.globalProcessingSave, now);
} else {
this.pass_lang(text)
.then((lang) => this.transdict[choice](text, lang))
.then((s) => {
let result = s['result'];
let origin = s['origin'];
rule.textSetter(now, result);
this.removeItem(this.globalProcessingSave, now);
});
}
}
};
this.PromiseRetryWrap(null).then(() => {
document.js_translater = setInterval(main, 200);
});
}
ReviseDom(dom, text, OldText = null) {
this.baseTextSetter(dom, text, OldText);
}
pause() {
clearInterval(document.js_translater);
document.js_translater = null;
}
resume() {
if (document.js_translater !== null) {
clearInterval(document.js_translater);
}
this.init();
}
removeItem(arr, item) {
const index = arr.indexOf(item);
if (index > -1) arr.splice(index, 1);
}
baseSelector(selector, parent = 0, childSelector = null) {
return () => {
let items = document.querySelectorAll(selector);
let filteredItems = [];
if (parent !== 0) {
items = Array.prototype.slice.call(items);
items = items.map((item) => {
let currentNode = item;
for (let i = 0; i < parent; i++) {
currentNode = currentNode.parentNode;
}
return currentNode;
});
}
for (let i = 0; i < items.length; i++) {
if (childSelector !== null) {
let childNode = items[i].querySelector(childSelector);
if (childNode !== null) {
filteredItems.push(childNode);
continue;
}
}
const node = items[i].querySelector('[data-translate]');
if (node === null || node.parentNode !== items[i]) {
filteredItems.push(items[i]);
}
}
return filteredItems;
};
}
baseTextGetter(e) {
return e.innerText;
}
baseTextSetter(e, text, OldText = null) {
if ((text || '').length == 0) text = '翻译异常';
let original = e.innerText;
if (OldText !== null) {
original = OldText;
}
e.innerText = text;
let name = '谷歌翻译';
$(e).attr('data-translate', name);
$(e).css('color', '#40c2af');
$(e)
.parent()
.before("<div data-translate='" + name + "' style='white-space:pre-wrap;'>" + original + '</div>');
let height = $(e).parent().height();
$(e)
.parent()
.css('height', height + 20 + 'px');
}
url_filter(text) {
return text.replace(/(https?|ftp|file):\/\/[-A-Za-z0-9+&@#/%?=~_|!:,.;]+[-A-Za-z0-9+&@#/%=~_|]/g, '');
}
async pass_lang(raw) {
try {
const result = await this.check_lang(raw);
if (result == 'zh') return new Promise(() => {});
return result;
} catch (err) {
console.log(err);
return;
}
}
async check_lang(raw) {
const options = {
method: 'POST',
url: 'https://fanyi.baidu.com/langdetect',
data: 'query=' + encodeURIComponent(raw.replace(/[\uD800-\uDBFF]$/, '').slice(0, 50)),
headers: {
'Content-Type': 'application/x-www-form-urlencoded'
}
};
const res = await this.Request(options);
try {
let r = res.responseText;
if (typeof r == 'string') {
r = JSON.parse(r).lan;
} else {
r = r.lan;
}
return r;
} catch (err) {
console.log(err);
return;
}
}
guid() {
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
let r = (Math.random() * 16) | 0,
v = c == 'x' ? r : (r & 0x3) | 0x8;
return v.toString(16);
});
}
async Translate(raw, sourceLang, targetLang, Record = true) {
let text = await this.sessionStorage.getItem('谷歌翻译' + '-' + raw);
if (text && text != '') {
return new Promise(async (resolve) => {
resolve(text);
});
}
const options = {
method: 'POST',
url: 'https://translate.google.com/_/TranslateWebserverUi/data/batchexecute',
data: `f.req=${encodeURIComponent(JSON.stringify([[['MkEWBc', JSON.stringify([[raw, sourceLang, targetLang, true], [null]]), null, 'generic']]]))}`,
headers: {
'content-type': 'application/x-www-form-urlencoded',
Host: 'translate.google.com'
},
anonymous: true,
nocache: true
};
return await this.BaseTranslate(
'谷歌翻译',
raw,
options,
function (res) {
var slicedRes = res.slice(res.indexOf('['));
var parsedRes = JSON.parse(slicedRes);
var extractedRes = parsedRes[0][2];
if (typeof extractedRes == 'string') {
extractedRes = JSON.parse(extractedRes);
}
let original = extractedRes[1][4][0];
var finalRes = extractedRes[1][0][0][5]
.map(function (item) {
return item[0];
})
.join('');
return { finalRes, original };
},
Record
);
}
async translate_gg(raw) {
const options = {
method: 'POST',
url: 'https://translate.google.com/_/TranslateWebserverUi/data/batchexecute',
data: 'f.req=' + encodeURIComponent(JSON.stringify([[['MkEWBc', JSON.stringify([[raw, 'auto', 'zh-CN', true], [null]]), null, 'generic']]])),
headers: {
'content-type': 'application/x-www-form-urlencoded',
Host: 'translate.google.com'
},
anonymous: true,
nocache: true
};
return await this.BaseTranslate('谷歌翻译', raw, options, function (res) {
var slicedRes = res.slice(res.indexOf('['));
var parsedRes = JSON.parse(slicedRes);
var extractedRes = parsedRes[0][2];
if (typeof extractedRes == 'string') {
extractedRes = JSON.parse(extractedRes);
}
let original = extractedRes[1][4][0];
var finalRes = extractedRes[1][0][0][5]
.map(function (item) {
return item[0];
})
.join('');
return { finalRes, original };
});
}
async translate_ggm(raw) {
const options = {
method: 'GET',
url: 'https://translate.google.com/m?tl=zh-CN&q=' + encodeURIComponent(raw),
headers: {
Host: 'translate.google.com'
},
anonymous: true,
nocache: true
};
return await this.BaseTranslate('谷歌翻译mobile', raw, options, (res) => /class="result-container">((?:.|\n)*?)<\/div/.exec(res)[1]);
}
tk(a, b) {
var d = b.split('.');
b = Number(d[0]) || 0;
for (var e = [], f = 0, g = 0; g < a.length; g++) {
var k = a.charCodeAt(g);
128 > k ? (e[f++] = k) : (2048 > k ? (e[f++] = (k >> 6) | 192) : (55296 == (k & 64512) && g + 1 < a.length && 56320 == (a.charCodeAt(g + 1) & 64512) ? ((k = 65536 + ((k & 1023) << 10) + (a.charCodeAt(++g) & 1023)), (e[f++] = (k >> 18) | 240), (e[f++] = ((k >> 12) & 63) | 128)) : (e[f++] = (k >> 12) | 224), (e[f++] = ((k >> 6) & 63) | 128)), (e[f++] = (k & 63) | 128));
}
a = b;
for (f = 0; f < e.length; f++) a = Fo(a + e[f], '+-a^+6');
a = Fo(a, '+-3^+b+-f');
a ^= Number(d[1]) || 0;
0 > a && (a = (a & 2147483647) + 2147483648);
a %= 1e6;
return a.toString() + '.' + (a ^ b);
}
Fo(a, b) {
for (var c = 0; c < b.length - 2; c += 3) {
var d = b.charAt(c + 2);
d = 'a' <= d ? d.charCodeAt(0) - 87 : Number(d);
d = '+' == b.charAt(c + 1) ? a >>> d : a << d;
a = '+' == b.charAt(c) ? (a + d) & 4294967295 : a ^ d;
}
return a;
}
async PromiseRetryWrap(task, options, ...values) {
const { RetryTimes, ErrProcesser } = options || {};
let retryTimes = RetryTimes || 5;
const usedErrProcesser =
ErrProcesser ||
((err) => {
throw err;
});
if (!task) return;
while (true) {
try {
return await task(...values);
} catch (err) {
if (!--retryTimes) {
console.log(err);
return usedErrProcesser(err);
}
}
}
}
async BaseTranslate(name, raw, options, processer, Record = true) {
const toDo = async () => {
var tmp;
try {
const data = await this.Request(options);
tmp = data.responseText;
const { finalRes, original } = await processer(tmp);
let result = finalRes;
if (result) {
try {
if (Record) {
await this.sessionStorage.setItem(name + '-' + raw, result).bind(this);
}
} catch (e) {}
}
return { result, original };
} catch (err) {
throw {
responseText: tmp,
err: err
};
}
};
return await this.PromiseRetryWrap(toDo, { RetryTimes: 3, ErrProcesser: () => '翻译出错' });
}
Request(options) {
return new Promise(async (resolve) => {
options.onload = function (res) {
if (res.status !== 200) {
resolve('');
return;
}
resolve(res);
};
GM_xmlhttpRequest(options);
});
}
}