tdesktop/Telegram/SourceFiles/lang.h

237 lines
7.2 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop 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.
It 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.
In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#pragma once
constexpr const str_const LanguageCodes[] = {
"en",
"it",
"es",
"de",
"nl",
"pt_BR",
"ko",
};
constexpr const int languageTest = -1, languageDefault = 0, languageCount = base::array_size(LanguageCodes);
class LangString : public QString {
public:
LangString() {
}
LangString(const QString &str) : QString(str) {
}
LangString tag(ushort tag, const QString &replacement) {
for (const QChar *s = constData(), *ch = s, *e = ch + size(); ch != e;) {
if (*ch == TextCommand) {
if (ch + 3 < e && (ch + 1)->unicode() == TextCommandLangTag && *(ch + 3) == TextCommand) {
if ((ch + 2)->unicode() == 0x0020 + tag) {
LangString result;
result.reserve(size() + replacement.size() - 4);
if (ch > s) result.append(midRef(0, ch - s));
result.append(replacement);
if (ch + 4 < e) result.append(midRef(ch - s + 4));
return result;
} else {
ch += 4;
}
} else {
const QChar *next = textSkipCommand(ch, e);
if (next == ch) {
++ch;
} else {
ch = next;
}
}
} else {
++ch;
}
}
return *this;
}
LangString &operator=(const QString &str) {
QString::operator=(str);
return (*this);
}
};
LangString langCounted(ushort key0, ushort tag, float64 value);
#include "lang_auto.h"
const char *langKeyName(LangKey key);
template <typename WithYear, typename WithoutYear>
inline LangString langDateMaybeWithYear(QDate date, WithYear withYear, WithoutYear withoutYear) {
auto month = date.month();
if (month <= 0 || month > 12) {
return qsl("MONTH_ERR");
};
auto year = date.year();
auto current = QDate::currentDate();
auto currentYear = current.year();
auto currentMonth = current.month();
if (year != currentYear) {
auto yearIsMuchGreater = [](int year, int otherYear) {
return (year > otherYear + 1);
};
auto monthIsMuchGreater = [](int year, int month, int otherYear, int otherMonth) {
return (year == otherYear + 1) && (month + 12 > otherMonth + 3);
};
if (false
|| yearIsMuchGreater(year, currentYear)
|| yearIsMuchGreater(currentYear, year)
|| monthIsMuchGreater(year, month, currentYear, currentMonth)
|| monthIsMuchGreater(currentYear, currentMonth, year, month)) {
return withYear(month, year);
}
}
return withoutYear(month, year);
}
inline LangString langDayOfMonth(const QDate &date) {
auto day = date.day();
return langDateMaybeWithYear(date, [day](int month, int year) {
return lng_month_day_year(lt_month, lang(LangKey(lng_month1_small + month - 1)), lt_day, QString::number(day), lt_year, QString::number(year));
}, [day](int month, int year) {
return lng_month_day(lt_month, lang(LangKey(lng_month1_small + month - 1)), lt_day, QString::number(day));
});
}
inline LangString langDayOfMonthFull(const QDate &date) {
auto day = date.day();
return langDateMaybeWithYear(date, [day](int month, int year) {
return lng_month_day_year(lt_month, lang(LangKey(lng_month1 + month - 1)), lt_day, QString::number(day), lt_year, QString::number(year));
}, [day](int month, int year) {
return lng_month_day(lt_month, lang(LangKey(lng_month1 + month - 1)), lt_day, QString::number(day));
});
}
inline LangString langMonthOfYear(int month, int year) {
return (month > 0 && month <= 12) ? lng_month_year(lt_month, lang(LangKey(lng_month1_small + month - 1)), lt_year, QString::number(year)) : qsl("MONTH_ERR");
}
inline LangString langMonth(const QDate &date) {
return langDateMaybeWithYear(date, [](int month, int year) {
return langMonthOfYear(month, year);
}, [](int month, int year) {
return lang(LangKey(lng_month1_small + month - 1));
});
}
inline LangString langMonthOfYearFull(int month, int year) {
return (month > 0 && month <= 12) ? lng_month_year(lt_month, lang(LangKey(lng_month1 + month - 1)), lt_year, QString::number(year)) : qsl("MONTH_ERR");
}
inline LangString langMonthFull(const QDate &date) {
return langDateMaybeWithYear(date, [](int month, int year) {
return langMonthOfYearFull(month, year);
}, [](int month, int year) {
return lang(LangKey(lng_month1 + month - 1));
});
}
inline LangString langDayOfWeek(int index) {
return (index > 0 && index <= 7) ? lang(LangKey(lng_weekday1 + index - 1)) : qsl("DAY_ERR");
}
inline LangString langDayOfWeek(const QDate &date) {
return langDayOfWeek(date.dayOfWeek());
}
inline LangString langDayOfWeekFull(int index) {
return (index > 0 && index <= 7) ? lang(LangKey(lng_weekday1_full + index - 1)) : qsl("DAY_ERR");
}
inline LangString langDayOfWeekFull(const QDate &date) {
return langDayOfWeekFull(date.dayOfWeek());
}
inline LangString langDateTime(const QDateTime &date) {
return lng_mediaview_date_time(lt_date, langDayOfMonth(date.date()), lt_time, date.time().toString(cTimeFormat()));
}
inline LangString langDateTimeFull(const QDateTime &date) {
return lng_mediaview_date_time(lt_date, langDayOfMonthFull(date.date()), lt_time, date.time().toString(cTimeFormat()));
}
QString langNewVersionText();
QString langNewVersionTextForLang(int langId);
class LangLoader {
public:
const QString &errors() const;
const QString &warnings() const;
protected:
LangLoader() : _checked(false) {
memset(_found, 0, sizeof(_found));
}
ushort tagIndex(const QByteArray &tag) const;
LangKey keyIndex(const QByteArray &key) const;
bool tagReplaced(LangKey key, ushort tag) const;
LangKey subkeyIndex(LangKey key, ushort tag, ushort index) const;
bool feedKeyValue(LangKey key, const QString &value);
void foundKeyValue(LangKey key);
void error(const QString &text) {
_err.push_back(text);
}
void warning(const QString &text) {
_warn.push_back(text);
}
private:
mutable QStringList _err, _warn;
mutable QString _errors, _warnings;
mutable bool _checked;
bool _found[lngkeys_cnt];
LangLoader(const LangLoader &);
LangLoader &operator=(const LangLoader &);
};
class Translator : public QTranslator {
public:
QString translate(const char *context, const char *sourceText, const char *disambiguation = 0, int n = -1) const override;
};
inline bool langFirstNameGoesSecond() {
QString fullname = lang(lng_full_name__tagged);
for (const QChar *s = fullname.constData(), *ch = s, *e = ch + fullname.size(); ch != e;) {
if (*ch == TextCommand) {
if (ch + 3 < e && (ch + 1)->unicode() == TextCommandLangTag && *(ch + 3) == TextCommand) {
if ((ch + 2)->unicode() == 0x0020 + lt_last_name) {
return true;
} else if ((ch + 2)->unicode() == 0x0020 + lt_first_name) {
break;
}
}
}
}
return false;
}