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telegram_emojis.cpp
#include <QCoreApplication>
#include <QFile>
#include <QDataStream>
#include <QDebug>
#include <iostream>
namespace Ui {
namespace Emoji {
constexpr auto kPostfix = 0xFE0FU;
class One {};
}
}
using EmojiPtr = const Ui::Emoji::One*;
Ui::Emoji::One globalOne;
struct LangPackEmoji {
EmojiPtr emoji = nullptr;
QString text;
};
struct LangPackData {
int version = 0;
int maxKeyLength = 0;
std::map<QString, std::vector<LangPackEmoji>> emoji;
};
bool MustAddPostfix(const QString &text) {
if (text.size() != 1) {
return false;
}
const auto code = text[0].unicode();
return (code == 0x2122U) || (code == 0xA9U) || (code == 0xAEU);
}
inline EmojiPtr Find(const QString &text, int *outLength = nullptr) {
//qDebug() << "Find" << text;
return &globalOne;
}
EmojiPtr FindExact(const QString &text) {
auto length = 0;
const auto result = Find(text, &length);
return (length < text.size()) ? nullptr : result;
}
LangPackData ReadLocalCache() {
QFile file("C:/Users/Faraz/AppData/Roaming/Telegram Desktop/tdata/emoji/keywords/fa");
if (!file.open(QIODevice::ReadOnly)) {
qDebug() << "ReadLocalCache 1";
return {};
}
auto result = LangPackData();
QDataStream stream(&file);
stream.setVersion(QDataStream::Qt_5_1);
auto version = qint32();
auto count = qint32();
stream
>> version
>> count;
if (version < 0 || count < 0 || stream.status() != QDataStream::Ok) {
qDebug() << "ReadLocalCache 2";
return {};
}
for (auto i = 0; i != count; ++i) {
auto key = QString();
auto size = qint32();
stream
>> key
>> size;
if (size < 0 || stream.status() != QDataStream::Ok) {
qDebug() << "ReadLocalCache 3";
return {};
}
auto &list = result.emoji[key];
for (auto j = 0; j != size; ++j) {
auto text = QString();
stream >> text;
if (stream.status() != QDataStream::Ok) {
qDebug() << "ReadLocalCache 4";
return {};
}
const auto emoji = MustAddPostfix(text)
? (text + QChar(Ui::Emoji::kPostfix))
: text;
const auto entry = LangPackEmoji{ FindExact(emoji), text };
if (!entry.emoji) {
//qDebug() << "ReadLocalCache 5";
//return {};
}
list.push_back(entry);
}
result.maxKeyLength = std::max(result.maxKeyLength, key.size());
}
result.version = version;
qDebug() << "ReadLocalCache 6";
return result;
}
int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);
auto x = ReadLocalCache();
qDebug() << "version" << x.version;
qDebug() << "maxKeyLength" << x.maxKeyLength;
qDebug() << "emoji" << x.emoji.size();
for (const auto& [key, value] : x.emoji) {
std::cout << key.toUtf8().toBase64().toStdString() << std::endl;
}
return a.exec();
}
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