init

Telegram/SourceFiles/lang/lang_keys.cpp

@@ -0,0 +1,250 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "lang/lang_keys.h"
+
+#include "base/const_string.h"
+#include "lang/lang_file_parser.h"
+#include "ui/integration.h"
+
+#include <QtCore/QLocale>
+
+namespace {
+
+constexpr auto kDefaultLanguage = "en"_cs;
+
+template <typename WithYear, typename WithoutYear>
+inline QString langDateMaybeWithYear(
+		QDate date,
+		WithYear withYear,
+		WithoutYear withoutYear) {
+	const auto month = date.month();
+	if (month <= 0 || month > 12) {
+		return u"MONTH_ERR"_q;
+	};
+	const auto year = date.year();
+	const auto current = QDate::currentDate();
+	const auto currentYear = current.year();
+	const auto currentMonth = current.month();
+	if (year != currentYear) {
+		const auto yearIsMuchGreater = [](int year, int otherYear) {
+			return (year > otherYear + 1);
+		};
+		const 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);
+}
+
+using namespace Lang;
+
+} // namespace
+
+bool langFirstNameGoesSecond() {
+	const auto kFirstName = QChar(0x0001);
+	const auto kLastName = QChar(0x0002);
+	const auto fullname = tr::lng_full_name(
+		tr::now,
+		lt_first_name,
+		QString(1, kFirstName),
+		lt_last_name,
+		QString(1, kLastName));
+	return fullname.indexOf(kLastName) < fullname.indexOf(kFirstName);
+}
+
+QString langDayOfMonth(const QDate &date) {
+	auto day = date.day();
+	return langDateMaybeWithYear(date, [&](int month, int year) {
+		return tr::lng_month_day_year(
+			tr::now,
+			lt_month,
+			MonthSmall(month)(tr::now),
+			lt_day,
+			QString::number(day),
+			lt_year,
+			QString::number(year));
+	}, [day](int month, int year) {
+		return tr::lng_month_day(
+			tr::now,
+			lt_month,
+			MonthSmall(month)(tr::now),
+			lt_day,
+			QString::number(day));
+	});
+}
+
+QString langDayOfMonthFull(const QDate &date) {
+	auto day = date.day();
+	return langDateMaybeWithYear(date, [day](int month, int year) {
+		return tr::lng_month_day_year(
+			tr::now,
+			lt_month,
+			MonthDay(month)(tr::now),
+			lt_day,
+			QString::number(day),
+			lt_year,
+			QString::number(year));
+	}, [day](int month, int year) {
+		return tr::lng_month_day(
+			tr::now,
+			lt_month,
+			MonthDay(month)(tr::now),
+			lt_day,
+			QString::number(day));
+	});
+}
+
+QString langMonthOfYear(int month, int year) {
+	return (month > 0 && month <= 12)
+		? tr::lng_month_year(
+			tr::now,
+			lt_month,
+			MonthSmall(month)(tr::now),
+			lt_year,
+			QString::number(year))
+		: u"MONTH_ERR"_q;
+}
+
+QString langMonth(const QDate &date) {
+	return langDateMaybeWithYear(date, [](int month, int year) {
+		return langMonthOfYear(month, year);
+	}, [](int month, int year) {
+		return MonthSmall(month)(tr::now);
+	});
+}
+
+QString langMonthOfYearFull(int month, int year) {
+	return (month > 0 && month <= 12)
+		? tr::lng_month_year(
+			tr::now,
+			lt_month,
+			Month(month)(tr::now),
+			lt_year,
+			QString::number(year))
+		: u"MONTH_ERR"_q;
+}
+
+QString langMonthFull(const QDate &date) {
+	return langDateMaybeWithYear(date, [](int month, int year) {
+		return langMonthOfYearFull(month, year);
+	}, [](int month, int year) {
+		return Month(month)(tr::now);
+	});
+}
+
+QString langDayOfWeek(int index) {
+	return (index > 0 && index <= 7) ? Weekday(index)(tr::now) : u"DAY_ERR"_q;
+}
+
+QString langDateTime(const QDateTime &date) {
+	return tr::lng_mediaview_date_time(
+		tr::now,
+		lt_date,
+		langDayOfMonth(date.date()),
+		lt_time,
+		QLocale().toString(date.time(), QLocale::ShortFormat));
+}
+
+QString langDateTimeFull(const QDateTime &date) {
+	return tr::lng_mediaview_date_time(
+		tr::now,
+		lt_date,
+		langDayOfMonthFull(date.date()),
+		lt_time,
+		QLocale().toString(date.time(), QLocale::ShortFormat));
+}
+
+namespace Lang {
+
+QString DefaultLanguageId() {
+	return kDefaultLanguage.utf16();
+}
+
+QString LanguageIdOrDefault(const QString &id) {
+	return !id.isEmpty() ? id : DefaultLanguageId();
+}
+
+tr::phrase<> Month(int index) {
+	switch (index) {
+	case 1: return tr::lng_month1;
+	case 2: return tr::lng_month2;
+	case 3: return tr::lng_month3;
+	case 4: return tr::lng_month4;
+	case 5: return tr::lng_month5;
+	case 6: return tr::lng_month6;
+	case 7: return tr::lng_month7;
+	case 8: return tr::lng_month8;
+	case 9: return tr::lng_month9;
+	case 10: return tr::lng_month10;
+	case 11: return tr::lng_month11;
+	case 12: return tr::lng_month12;
+	}
+	Unexpected("Index in MonthSmall.");
+}
+
+tr::phrase<> MonthSmall(int index) {
+	switch (index) {
+	case 1: return tr::lng_month1_small;
+	case 2: return tr::lng_month2_small;
+	case 3: return tr::lng_month3_small;
+	case 4: return tr::lng_month4_small;
+	case 5: return tr::lng_month5_small;
+	case 6: return tr::lng_month6_small;
+	case 7: return tr::lng_month7_small;
+	case 8: return tr::lng_month8_small;
+	case 9: return tr::lng_month9_small;
+	case 10: return tr::lng_month10_small;
+	case 11: return tr::lng_month11_small;
+	case 12: return tr::lng_month12_small;
+	}
+	Unexpected("Index in MonthSmall.");
+}
+
+tr::phrase<> MonthDay(int index) {
+	switch (index) {
+	case 1: return tr::lng_month_day1;
+	case 2: return tr::lng_month_day2;
+	case 3: return tr::lng_month_day3;
+	case 4: return tr::lng_month_day4;
+	case 5: return tr::lng_month_day5;
+	case 6: return tr::lng_month_day6;
+	case 7: return tr::lng_month_day7;
+	case 8: return tr::lng_month_day8;
+	case 9: return tr::lng_month_day9;
+	case 10: return tr::lng_month_day10;
+	case 11: return tr::lng_month_day11;
+	case 12: return tr::lng_month_day12;
+	}
+	Unexpected("Index in MonthDay.");
+}
+
+tr::phrase<> Weekday(int index) {
+	switch (index) {
+	case 1: return tr::lng_weekday1;
+	case 2: return tr::lng_weekday2;
+	case 3: return tr::lng_weekday3;
+	case 4: return tr::lng_weekday4;
+	case 5: return tr::lng_weekday5;
+	case 6: return tr::lng_weekday6;
+	case 7: return tr::lng_weekday7;
+	}
+	Unexpected("Index in Weekday.");
+}
+
+} // namespace Lang