Textractor/extensions/devtoolsdeepltranslate.cpp
2021-06-06 22:43:40 -06:00

84 lines
2.9 KiB
C++

#include "qtcommon.h"
#include "devtools.h"
extern const wchar_t* ERROR_START_CHROME;
extern const wchar_t* TRANSLATION_ERROR;
extern Synchronized<std::wstring> translateTo, translateFrom;
const char* TRANSLATION_PROVIDER = "DevTools DeepL Translate";
const char* GET_API_KEY_FROM = nullptr;
bool translateSelectedOnly = true, rateLimitAll = false, rateLimitSelected = false, useCache = true, useFilter = true;
int tokenCount = 30, tokenRestoreDelay = 60000, maxSentenceSize = 2500;
QStringList languages
{
"Bulgarian: BG",
"Chinese: ZH",
"Czech: CS",
"Danish: DA",
"Dutch: NL",
"English: EN",
"Estonian: ET",
"Finnish: FI",
"French: FR",
"German: DE",
"Greek: EL",
"Hungarian: HU",
"Italian: IT",
"Japanese: JA",
"Latvian: LV",
"Lithuanian: LT",
"Polish: PL",
"Portuguese: PT",
"Romanian: RO",
"Russian: RU",
"Slovak: SK",
"Slovenian: SL",
"Spanish: ES",
"Swedish: SV"
};
std::wstring autoDetectLanguage = L"auto";
BOOL WINAPI DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
{
switch (ul_reason_for_call)
{
case DLL_PROCESS_ATTACH:
{
DevTools::Initialize();
}
break;
case DLL_PROCESS_DETACH:
{
DevTools::Close();
}
break;
}
return TRUE;
}
std::pair<bool, std::wstring> Translate(const std::wstring& text)
{
if (!DevTools::Connected()) return { false, FormatString(L"%s: %s", TRANSLATION_ERROR, ERROR_START_CHROME) };
// DevTools can't handle concurrent translations yet
static std::mutex translationMutex;
std::scoped_lock lock(translationMutex);
DevTools::SendRequest("Page.navigate", FormatString(LR"({"url":"https://www.deepl.com/en/translator#%s/%s/%s"})", translateTo.Copy(), translateTo.Copy(), Escape(text)));
if (translateFrom.Copy() != autoDetectLanguage)
DevTools::SendRequest("Runtime.evaluate", FormatString(LR"({"expression":"
document.querySelector('.lmt__language_select--source').querySelector('button').click();
document.evaluate(`//button[contains(text(),'%s')]`,document.querySelector('.lmt__language_select__menu'),null,XPathResult.FIRST_ORDERED_NODE_TYPE,null).singleNodeValue.click();
"})", S(std::find_if(languages.begin(), languages.end(), [end = S(translateFrom.Copy())](const QString& language) { return language.endsWith(end); })->split(":")[0])));
for (int retry = 0; ++retry < 100; Sleep(100))
if (auto translation = Copy(DevTools::SendRequest("Runtime.evaluate",
LR"({"expression":"document.querySelector('#target-dummydiv').innerHTML.trim() ","returnByValue":true})"
)[L"result"][L"value"].String())) if (!translation->empty()) return { true, translation.value() };
if (auto errorMessage = Copy(DevTools::SendRequest("Runtime.evaluate",
LR"({"expression":"document.querySelector('div.lmt__system_notification').innerHTML","returnByValue":true})"
)[L"result"][L"value"].String())) return { false, FormatString(L"%s: %s", TRANSLATION_ERROR, errorMessage.value()) };
return { false, TRANSLATION_ERROR };
}