822 lines
		
	
	
	
		
			20 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			822 lines
		
	
	
	
		
			20 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
 | |
| 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_instance.h"
 | |
| 
 | |
| #include "core/application.h"
 | |
| #include "storage/serialize_common.h"
 | |
| #include "storage/localstorage.h"
 | |
| #include "ui/boxes/confirm_box.h"
 | |
| #include "lang/lang_file_parser.h"
 | |
| #include "lang/lang_tag.h" // kTextCommandLangTag.
 | |
| #include "base/platform/base_platform_info.h"
 | |
| #include "base/qthelp_regex.h"
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| 
 | |
| namespace Lang {
 | |
| namespace {
 | |
| 
 | |
| const auto kSerializeVersionTag = u"#new"_q;
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| constexpr auto kSerializeVersion = 1;
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| constexpr auto kCloudLangPackName = "tdesktop"_cs;
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| constexpr auto kCustomLanguage = "#custom"_cs;
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| constexpr auto kLangValuesLimit = 20000;
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| 
 | |
| std::vector<QString> PrepareDefaultValues() {
 | |
| 	auto result = std::vector<QString>();
 | |
| 	result.reserve(kKeysCount);
 | |
| 	for (auto i = 0; i != kKeysCount; ++i) {
 | |
| 		result.emplace_back(GetOriginalValue(ushort(i)));
 | |
| 	}
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| 	return result;
 | |
| }
 | |
| 
 | |
| class ValueParser {
 | |
| public:
 | |
| 	ValueParser(
 | |
| 		const QByteArray &key,
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| 		ushort keyIndex,
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| 		const QByteArray &value);
 | |
| 
 | |
| 	QString takeResult() {
 | |
| 		Expects(!_failed);
 | |
| 
 | |
| 		return std::move(_result);
 | |
| 	}
 | |
| 
 | |
| 	bool parse();
 | |
| 
 | |
| private:
 | |
| 	void appendToResult(const char *nextBegin);
 | |
| 	bool logError(const QString &text);
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| 	bool readTag();
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| 
 | |
| 	const QByteArray &_key;
 | |
| 	ushort _keyIndex = kKeysCount;
 | |
| 
 | |
| 	QLatin1String _currentTag;
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| 	ushort _currentTagIndex = 0;
 | |
| 	QString _currentTagReplacer;
 | |
| 
 | |
| 	bool _failed = true;
 | |
| 
 | |
| 	const char *_begin = nullptr;
 | |
| 	const char *_ch = nullptr;
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| 	const char *_end = nullptr;
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| 
 | |
| 	QString _result;
 | |
| 	OrderedSet<ushort> _tagsUsed;
 | |
| 
 | |
| };
 | |
| 
 | |
| ValueParser::ValueParser(
 | |
| 	const QByteArray &key,
 | |
| 	ushort keyIndex,
 | |
| 	const QByteArray &value)
 | |
| : _key(key)
 | |
| , _keyIndex(keyIndex)
 | |
| , _currentTag("")
 | |
| , _begin(value.constData())
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| , _ch(_begin)
 | |
| , _end(_begin + value.size()) {
 | |
| }
 | |
| 
 | |
| void ValueParser::appendToResult(const char *nextBegin) {
 | |
| 	if (_ch > _begin) _result.append(QString::fromUtf8(_begin, _ch - _begin));
 | |
| 	_begin = nextBegin;
 | |
| }
 | |
| 
 | |
| bool ValueParser::logError(const QString &text) {
 | |
| 	_failed = true;
 | |
| 	auto loggedKey = (_currentTag.size() > 0) ? (_key + QString(':') + _currentTag) : QString(_key);
 | |
| 	LOG(("Lang Error: %1 (key '%2')").arg(text, loggedKey));
 | |
| 	return false;
 | |
| }
 | |
| 
 | |
| bool ValueParser::readTag() {
 | |
| 	auto tagStart = _ch;
 | |
| 	auto isTagChar = [](QChar ch) {
 | |
| 		if (ch >= 'a' && ch <= 'z') {
 | |
| 			return true;
 | |
| 		} else if (ch >= 'A' && ch <= 'Z') {
 | |
| 			return true;
 | |
| 		} else if (ch >= '0' && ch <= '9') {
 | |
| 			return true;
 | |
| 		}
 | |
| 		return (ch == '_');
 | |
| 	};
 | |
| 	while (_ch != _end && isTagChar(*_ch)) {
 | |
| 		++_ch;
 | |
| 	}
 | |
| 	if (_ch == tagStart) {
 | |
| 		return logError("Expected tag name");
 | |
| 	}
 | |
| 
 | |
| 	_currentTag = QLatin1String(tagStart, _ch - tagStart);
 | |
| 	if (_ch == _end || *_ch != '}') {
 | |
| 		return logError("Expected '}' after tag name");
 | |
| 	}
 | |
| 
 | |
| 	_currentTagIndex = GetTagIndex(_currentTag);
 | |
| 	if (_currentTagIndex == kTagsCount) {
 | |
| 		return logError("Unknown tag");
 | |
| 	}
 | |
| 	if (!IsTagReplaced(_keyIndex, _currentTagIndex)) {
 | |
| 		return logError("Unexpected tag");
 | |
| 	}
 | |
| 	if (_tagsUsed.contains(_currentTagIndex)) {
 | |
| 		return logError("Repeated tag");
 | |
| 	}
 | |
| 	_tagsUsed.insert(_currentTagIndex);
 | |
| 
 | |
| 	if (_currentTagReplacer.isEmpty()) {
 | |
| 		_currentTagReplacer = QString(4, QChar(kTextCommand));
 | |
| 		_currentTagReplacer[1] = QChar(kTextCommandLangTag);
 | |
| 	}
 | |
| 	_currentTagReplacer[2] = QChar(0x0020 + _currentTagIndex);
 | |
| 
 | |
| 	return true;
 | |
| }
 | |
| 
 | |
| bool ValueParser::parse() {
 | |
| 	_failed = false;
 | |
| 	_result.reserve(_end - _begin);
 | |
| 	for (; _ch != _end; ++_ch) {
 | |
| 		if (*_ch == '{') {
 | |
| 			appendToResult(_ch);
 | |
| 
 | |
| 			++_ch;
 | |
| 			if (!readTag()) {
 | |
| 				return false;
 | |
| 			}
 | |
| 
 | |
| 			_result.append(_currentTagReplacer);
 | |
| 
 | |
| 			_begin = _ch + 1;
 | |
| 			_currentTag = QLatin1String("");
 | |
| 		}
 | |
| 	}
 | |
| 	appendToResult(_end);
 | |
| 	return true;
 | |
| }
 | |
| 
 | |
| QString PrepareTestValue(const QString ¤t, QChar filler) {
 | |
| 	auto size = current.size();
 | |
| 	auto result = QString(size + 1, filler);
 | |
| 	auto inCommand = false;
 | |
| 	for (auto i = 0; i != size; ++i) {
 | |
| 		const auto ch = current[i];
 | |
| 		const auto newInCommand = (ch.unicode() == kTextCommand)
 | |
| 			? (!inCommand)
 | |
| 			: inCommand;
 | |
| 		if (inCommand || newInCommand || ch.isSpace()) {
 | |
| 			result[i + 1] = ch;
 | |
| 		}
 | |
| 		inCommand = newInCommand;
 | |
| 	}
 | |
| 	return result;
 | |
| }
 | |
| 
 | |
| QString PluralCodeForCustom(
 | |
| 	const QString &absolutePath,
 | |
| 	const QString &relativePath) {
 | |
| 	const auto path = !absolutePath.isEmpty()
 | |
| 		? absolutePath
 | |
| 		: relativePath;
 | |
| 	const auto name = QFileInfo(path).fileName();
 | |
| 	if (const auto match = qthelp::regex_match(
 | |
| 			"_([a-z]{2,3}_[A-Z]{2,3}|\\-[a-z]{2,3})?\\.",
 | |
| 			name)) {
 | |
| 		return match->captured(1);
 | |
| 	}
 | |
| 	return DefaultLanguageId();
 | |
| }
 | |
| 
 | |
| template <typename Save>
 | |
| void ParseKeyValue(
 | |
| 		const QByteArray &key,
 | |
| 		const QByteArray &value,
 | |
| 		Save &&save) {
 | |
| 	const auto index = GetKeyIndex(QLatin1String(key));
 | |
| 	if (index != kKeysCount) {
 | |
| 		ValueParser parser(key, index, value);
 | |
| 		if (parser.parse()) {
 | |
| 			save(index, parser.takeResult());
 | |
| 		}
 | |
| 	} else if (!key.startsWith("cloud_")) {
 | |
| 		DEBUG_LOG(("Lang Warning: Unknown key '%1'"
 | |
| 			).arg(QString::fromLatin1(key)));
 | |
| 	}
 | |
| }
 | |
| 
 | |
| } // namespace
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| 
 | |
| QString CloudLangPackName() {
 | |
| 	return kCloudLangPackName.utf16();
 | |
| }
 | |
| 
 | |
| QString CustomLanguageId() {
 | |
| 	return kCustomLanguage.utf16();
 | |
| }
 | |
| 
 | |
| Language DefaultLanguage() {
 | |
| 	return Language{
 | |
| 		u"en"_q,
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| 		QString(),
 | |
| 		QString(),
 | |
| 		u"English"_q,
 | |
| 		u"English"_q,
 | |
| 	};
 | |
| }
 | |
| 
 | |
| struct Instance::PrivateTag {
 | |
| };
 | |
| 
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| Instance::Instance()
 | |
| : _values(PrepareDefaultValues())
 | |
| , _nonDefaultSet(kKeysCount, 0) {
 | |
| }
 | |
| 
 | |
| Instance::Instance(not_null<Instance*> derived, const PrivateTag &)
 | |
| : _derived(derived)
 | |
| , _nonDefaultSet(kKeysCount, 0) {
 | |
| }
 | |
| 
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| void Instance::switchToId(const Language &data) {
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| 	reset(data);
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| 	if (_id == u"#TEST_X"_q || _id == u"#TEST_0"_q) {
 | |
| 		for (auto &value : _values) {
 | |
| 			value = PrepareTestValue(value, _id[5]);
 | |
| 		}
 | |
| 		if (!_derived) {
 | |
| 			_updated.fire({});
 | |
| 		}
 | |
| 	}
 | |
| 	updatePluralRules();
 | |
| }
 | |
| 
 | |
| void Instance::setBaseId(const QString &baseId, const QString &pluralId) {
 | |
| 	if (baseId.isEmpty()) {
 | |
| 		_base = nullptr;
 | |
| 	} else {
 | |
| 		if (!_base) {
 | |
| 			_base = std::make_unique<Instance>(this, PrivateTag{});
 | |
| 		}
 | |
| 		_base->switchToId({ baseId, pluralId });
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void Instance::switchToCustomFile(const QString &filePath) {
 | |
| 	if (loadFromCustomFile(filePath)) {
 | |
| 		Local::writeLangPack();
 | |
| 		_updated.fire({});
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void Instance::reset(const Language &data) {
 | |
| 	const auto computedPluralId = !data.pluralId.isEmpty()
 | |
| 		? data.pluralId
 | |
| 		: !data.baseId.isEmpty()
 | |
| 		? data.baseId
 | |
| 		: data.id;
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| 	setBaseId(data.baseId, computedPluralId);
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| 	_id = LanguageIdOrDefault(data.id);
 | |
| 	_pluralId = computedPluralId;
 | |
| 	_name = data.name;
 | |
| 	_nativeName = data.nativeName;
 | |
| 
 | |
| 	_customFilePathAbsolute = QString();
 | |
| 	_customFilePathRelative = QString();
 | |
| 	_customFileContent = QByteArray();
 | |
| 	_version = 0;
 | |
| 	_nonDefaultValues.clear();
 | |
| 	for (auto i = 0, count = int(_values.size()); i != count; ++i) {
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| 		_values[i] = GetOriginalValue(ushort(i));
 | |
| 	}
 | |
| 	ranges::fill(_nonDefaultSet, 0);
 | |
| 	updateChoosingStickerReplacement();
 | |
| 
 | |
| 	_idChanges.fire_copy(_id);
 | |
| }
 | |
| 
 | |
| QString Instance::systemLangCode() const {
 | |
| 	if (_systemLanguage.isEmpty()) {
 | |
| 		_systemLanguage = Platform::SystemLanguage();
 | |
| 		if (_systemLanguage.isEmpty()) {
 | |
| 			auto uiLanguages = QLocale::system().uiLanguages();
 | |
| 			if (!uiLanguages.isEmpty()) {
 | |
| 				_systemLanguage = uiLanguages.front();
 | |
| 			}
 | |
| 			if (_systemLanguage.isEmpty()) {
 | |
| 				_systemLanguage = DefaultLanguageId();
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 	return _systemLanguage;
 | |
| }
 | |
| 
 | |
| QString Instance::cloudLangCode(Pack pack) const {
 | |
| 	return (isCustom() || id().isEmpty())
 | |
| 		? DefaultLanguageId()
 | |
| 		: id(pack);
 | |
| }
 | |
| 
 | |
| QString Instance::id() const {
 | |
| 	return id(Pack::Current);
 | |
| }
 | |
| 
 | |
| rpl::producer<QString> Instance::idChanges() const {
 | |
| 	return _idChanges.events();
 | |
| }
 | |
| 
 | |
| QString Instance::baseId() const {
 | |
| 	return id(Pack::Base);
 | |
| }
 | |
| 
 | |
| QString Instance::name() const {
 | |
| 	return _name.isEmpty()
 | |
| 		? getValue(tr::lng_language_name.base)
 | |
| 		: _name;
 | |
| }
 | |
| 
 | |
| QString Instance::nativeName() const {
 | |
| 	return _nativeName.isEmpty()
 | |
| 		? getValue(tr::lng_language_name.base)
 | |
| 		: _nativeName;
 | |
| }
 | |
| 
 | |
| QString Instance::id(Pack pack) const {
 | |
| 	return (pack != Pack::Base)
 | |
| 		? _id
 | |
| 		: _base
 | |
| 		? _base->id(Pack::Current)
 | |
| 		: QString();
 | |
| }
 | |
| 
 | |
| bool Instance::isCustom() const {
 | |
| 	return (_id == CustomLanguageId())
 | |
| 		|| (_id == u"#TEST_X"_q)
 | |
| 		|| (_id == u"#TEST_0"_q);
 | |
| }
 | |
| 
 | |
| int Instance::version(Pack pack) const {
 | |
| 	return (pack != Pack::Base)
 | |
| 		? _version
 | |
| 		: _base
 | |
| 		? _base->version(Pack::Current)
 | |
| 		: 0;
 | |
| }
 | |
| 
 | |
| QString Instance::langPackName() const {
 | |
| 	return isCustom() ? QString() : CloudLangPackName();
 | |
| }
 | |
| 
 | |
| QByteArray Instance::serialize() const {
 | |
| 	auto size = Serialize::stringSize(kSerializeVersionTag)
 | |
| 		+ sizeof(qint32) // serializeVersion
 | |
| 		+ Serialize::stringSize(_id)
 | |
| 		+ Serialize::stringSize(_pluralId)
 | |
| 		+ Serialize::stringSize(_name)
 | |
| 		+ Serialize::stringSize(_nativeName)
 | |
| 		+ sizeof(qint32) // version
 | |
| 		+ Serialize::stringSize(_customFilePathAbsolute)
 | |
| 		+ Serialize::stringSize(_customFilePathRelative)
 | |
| 		+ Serialize::bytearraySize(_customFileContent)
 | |
| 		+ sizeof(qint32); // _nonDefaultValues.size()
 | |
| 	for (auto &nonDefault : _nonDefaultValues) {
 | |
| 		size += Serialize::bytearraySize(nonDefault.first)
 | |
| 			+ Serialize::bytearraySize(nonDefault.second);
 | |
| 	}
 | |
| 	const auto base = _base ? _base->serialize() : QByteArray();
 | |
| 	size += Serialize::bytearraySize(base);
 | |
| 
 | |
| 	auto result = QByteArray();
 | |
| 	result.reserve(size);
 | |
| 	{
 | |
| 		QDataStream stream(&result, QIODevice::WriteOnly);
 | |
| 		stream.setVersion(QDataStream::Qt_5_1);
 | |
| 		stream
 | |
| 			<< kSerializeVersionTag
 | |
| 			<< qint32(kSerializeVersion)
 | |
| 			<< _id
 | |
| 			<< _pluralId
 | |
| 			<< _name
 | |
| 			<< _nativeName
 | |
| 			<< qint32(_version)
 | |
| 			<< _customFilePathAbsolute
 | |
| 			<< _customFilePathRelative
 | |
| 			<< _customFileContent
 | |
| 			<< qint32(_nonDefaultValues.size());
 | |
| 		for (const auto &nonDefault : _nonDefaultValues) {
 | |
| 			stream << nonDefault.first << nonDefault.second;
 | |
| 		}
 | |
| 		stream << base;
 | |
| 	}
 | |
| 	return result;
 | |
| }
 | |
| 
 | |
| void Instance::fillFromSerialized(
 | |
| 		const QByteArray &data,
 | |
| 		int dataAppVersion) {
 | |
| 	QDataStream stream(data);
 | |
| 	stream.setVersion(QDataStream::Qt_5_1);
 | |
| 	qint32 serializeVersion = 0;
 | |
| 	QString serializeVersionTag;
 | |
| 	QString id, pluralId, name, nativeName;
 | |
| 	qint32 version = 0;
 | |
| 	QString customFilePathAbsolute, customFilePathRelative;
 | |
| 	QByteArray customFileContent;
 | |
| 	qint32 nonDefaultValuesCount = 0;
 | |
| 	stream >> serializeVersionTag;
 | |
| 	const auto legacyFormat = (serializeVersionTag != kSerializeVersionTag);
 | |
| 	if (legacyFormat) {
 | |
| 		id = serializeVersionTag;
 | |
| 		stream
 | |
| 			>> version
 | |
| 			>> customFilePathAbsolute
 | |
| 			>> customFilePathRelative
 | |
| 			>> customFileContent
 | |
| 			>> nonDefaultValuesCount;
 | |
| 	} else {
 | |
| 		stream >> serializeVersion;
 | |
| 		if (serializeVersion == kSerializeVersion) {
 | |
| 			stream
 | |
| 				>> id
 | |
| 				>> pluralId
 | |
| 				>> name
 | |
| 				>> nativeName
 | |
| 				>> version
 | |
| 				>> customFilePathAbsolute
 | |
| 				>> customFilePathRelative
 | |
| 				>> customFileContent
 | |
| 				>> nonDefaultValuesCount;
 | |
| 		} else {
 | |
| 			LOG(("Lang Error: Unsupported serialize version."));
 | |
| 			return;
 | |
| 		}
 | |
| 	}
 | |
| 	if (stream.status() != QDataStream::Ok) {
 | |
| 		LOG(("Lang Error: Could not read data from serialized langpack."));
 | |
| 		return;
 | |
| 	}
 | |
| 	if (nonDefaultValuesCount > kLangValuesLimit) {
 | |
| 		LOG(("Lang Error: Values count limit exceeded: %1"
 | |
| 			).arg(nonDefaultValuesCount));
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	if (!customFilePathAbsolute.isEmpty()) {
 | |
| 		id = CustomLanguageId();
 | |
| 		auto currentCustomFileContent = Lang::FileParser::ReadFile(
 | |
| 			customFilePathAbsolute,
 | |
| 			customFilePathRelative);
 | |
| 		if (!currentCustomFileContent.isEmpty()
 | |
| 			&& currentCustomFileContent != customFileContent) {
 | |
| 			fillFromCustomContent(
 | |
| 				customFilePathAbsolute,
 | |
| 				customFilePathRelative,
 | |
| 				currentCustomFileContent);
 | |
| 			Local::writeLangPack();
 | |
| 			return;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	std::vector<QByteArray> nonDefaultStrings;
 | |
| 	nonDefaultStrings.reserve(2 * nonDefaultValuesCount);
 | |
| 	for (auto i = 0; i != nonDefaultValuesCount; ++i) {
 | |
| 		QByteArray key, value;
 | |
| 		stream >> key >> value;
 | |
| 		if (stream.status() != QDataStream::Ok) {
 | |
| 			LOG(("Lang Error: "
 | |
| 				"Could not read data from serialized langpack."));
 | |
| 			return;
 | |
| 		}
 | |
| 
 | |
| 		nonDefaultStrings.push_back(key);
 | |
| 		nonDefaultStrings.push_back(value);
 | |
| 	}
 | |
| 
 | |
| 	_base = nullptr;
 | |
| 	QByteArray base;
 | |
| 	if (legacyFormat) {
 | |
| 		if (!stream.atEnd()) {
 | |
| 			stream >> pluralId;
 | |
| 		} else {
 | |
| 			pluralId = id;
 | |
| 		}
 | |
| 		if (!stream.atEnd()) {
 | |
| 			stream >> base;
 | |
| 			if (base.isEmpty()) {
 | |
| 				stream.setStatus(QDataStream::ReadCorruptData);
 | |
| 			}
 | |
| 		}
 | |
| 		if (stream.status() != QDataStream::Ok) {
 | |
| 			LOG(("Lang Error: "
 | |
| 				"Could not read data from serialized langpack."));
 | |
| 			return;
 | |
| 		}
 | |
| 	} else {
 | |
| 		stream >> base;
 | |
| 	}
 | |
| 	if (!base.isEmpty()) {
 | |
| 		_base = std::make_unique<Instance>(this, PrivateTag{});
 | |
| 		_base->fillFromSerialized(base, dataAppVersion);
 | |
| 	}
 | |
| 
 | |
| 	_id = id;
 | |
| 	_pluralId = (id == CustomLanguageId())
 | |
| 		? PluralCodeForCustom(
 | |
| 			customFilePathAbsolute,
 | |
| 			customFilePathRelative)
 | |
| 		: pluralId;
 | |
| 	_name = name;
 | |
| 	_nativeName = nativeName;
 | |
| 	_version = version;
 | |
| 	_customFilePathAbsolute = customFilePathAbsolute;
 | |
| 	_customFilePathRelative = customFilePathRelative;
 | |
| 	_customFileContent = customFileContent;
 | |
| 	LOG(("Lang Info: Loaded cached, keys: %1").arg(nonDefaultValuesCount));
 | |
| 	for (auto i = 0, count = nonDefaultValuesCount * 2; i != count; i += 2) {
 | |
| 		applyValue(nonDefaultStrings[i], nonDefaultStrings[i + 1]);
 | |
| 	}
 | |
| 	updatePluralRules();
 | |
| 	updateChoosingStickerReplacement();
 | |
| 
 | |
| 	_idChanges.fire_copy(_id);
 | |
| }
 | |
| 
 | |
| void Instance::loadFromContent(const QByteArray &content) {
 | |
| 	Lang::FileParser loader(content, [this](QLatin1String key, const QByteArray &value) {
 | |
| 		applyValue(QByteArray(key.data(), key.size()), value);
 | |
| 	});
 | |
| 	if (!loader.errors().isEmpty()) {
 | |
| 		LOG(("Lang load errors: %1").arg(loader.errors()));
 | |
| 	} else if (!loader.warnings().isEmpty()) {
 | |
| 		LOG(("Lang load warnings: %1").arg(loader.warnings()));
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void Instance::fillFromCustomContent(
 | |
| 		const QString &absolutePath,
 | |
| 		const QString &relativePath,
 | |
| 		const QByteArray &content) {
 | |
| 	setBaseId(QString(), QString());
 | |
| 	_id = CustomLanguageId();
 | |
| 	_pluralId = PluralCodeForCustom(absolutePath, relativePath);
 | |
| 	_name = _nativeName = QString();
 | |
| 	loadFromCustomContent(absolutePath, relativePath, content);
 | |
| 	updateChoosingStickerReplacement();
 | |
| 
 | |
| 	_idChanges.fire_copy(_id);
 | |
| }
 | |
| 
 | |
| void Instance::loadFromCustomContent(
 | |
| 		const QString &absolutePath,
 | |
| 		const QString &relativePath,
 | |
| 		const QByteArray &content) {
 | |
| 	_version = 0;
 | |
| 	_customFilePathAbsolute = absolutePath;
 | |
| 	_customFilePathRelative = relativePath;
 | |
| 	_customFileContent = content;
 | |
| 	loadFromContent(_customFileContent);
 | |
| }
 | |
| 
 | |
| bool Instance::loadFromCustomFile(const QString &filePath) {
 | |
| 	auto absolutePath = QFileInfo(filePath).absoluteFilePath();
 | |
| 	auto relativePath = QDir().relativeFilePath(filePath);
 | |
| 	auto content = Lang::FileParser::ReadFile(absolutePath, relativePath);
 | |
| 	if (!content.isEmpty()) {
 | |
| 		reset({
 | |
| 			CustomLanguageId(),
 | |
| 			PluralCodeForCustom(absolutePath, relativePath) });
 | |
| 		loadFromCustomContent(absolutePath, relativePath, content);
 | |
| 		updatePluralRules();
 | |
| 		return true;
 | |
| 	}
 | |
| 	return false;
 | |
| }
 | |
| 
 | |
| void Instance::updateChoosingStickerReplacement() {
 | |
| 	// A language changing in the runtime is not supported.
 | |
| 	const auto replacement = kChoosingStickerReplacement.utf8();
 | |
| 	const auto phrase = tr::lng_send_action_choose_sticker(tr::now);
 | |
| 	const auto first = phrase.indexOf(replacement);
 | |
| 	const auto support = (first != -1);
 | |
| 	const auto phraseNamed = tr::lng_user_action_choose_sticker(
 | |
| 		tr::now,
 | |
| 		lt_user,
 | |
| 		QString());
 | |
| 	const auto firstNamed = phraseNamed.indexOf(replacement);
 | |
| 	const auto supportNamed = (firstNamed != -1);
 | |
| 
 | |
| 	_choosingStickerReplacement.support = (supportNamed && support);
 | |
| 	_choosingStickerReplacement.rightIndex = phrase.size() - first;
 | |
| 	_choosingStickerReplacement.rightIndexNamed = phraseNamed.size()
 | |
| 		- firstNamed;
 | |
| }
 | |
| 
 | |
| bool Instance::supportChoosingStickerReplacement() const {
 | |
| 	return _choosingStickerReplacement.support;
 | |
| }
 | |
| 
 | |
| int Instance::rightIndexChoosingStickerReplacement(bool named) const {
 | |
| 	return named
 | |
| 		? _choosingStickerReplacement.rightIndexNamed
 | |
| 		: _choosingStickerReplacement.rightIndex;
 | |
| }
 | |
| 
 | |
| // SetCallback takes two QByteArrays: key, value.
 | |
| // It is called for all key-value pairs in string.
 | |
| // ResetCallback takes one QByteArray: key.
 | |
| template <typename SetCallback, typename ResetCallback>
 | |
| void HandleString(
 | |
| 		const MTPLangPackString &string,
 | |
| 		SetCallback setCallback,
 | |
| 		ResetCallback resetCallback) {
 | |
| 	string.match([&](const MTPDlangPackString &data) {
 | |
| 		setCallback(qba(data.vkey()), qba(data.vvalue()));
 | |
| 	}, [&](const MTPDlangPackStringPluralized &data) {
 | |
| 		const auto key = qba(data.vkey());
 | |
| 		setCallback(key + "#zero", data.vzero_value().value_or_empty());
 | |
| 		setCallback(key + "#one", data.vone_value().value_or_empty());
 | |
| 		setCallback(key + "#two", data.vtwo_value().value_or_empty());
 | |
| 		setCallback(key + "#few", data.vfew_value().value_or_empty());
 | |
| 		setCallback(key + "#many", data.vmany_value().value_or_empty());
 | |
| 		setCallback(key + "#other", qba(data.vother_value()));
 | |
| 	}, [&](const MTPDlangPackStringDeleted &data) {
 | |
| 		auto key = qba(data.vkey());
 | |
| 		resetCallback(key);
 | |
| 		const auto postfixes = {
 | |
| 			"#zero",
 | |
| 			"#one",
 | |
| 			"#two",
 | |
| 			"#few",
 | |
| 			"#many",
 | |
| 			"#other"
 | |
| 		};
 | |
| 		for (const auto plural : postfixes) {
 | |
| 			resetCallback(key + plural);
 | |
| 		}
 | |
| 	});
 | |
| }
 | |
| 
 | |
| void Instance::applyDifference(
 | |
| 		Pack pack,
 | |
| 		const MTPDlangPackDifference &difference) {
 | |
| 	switch (pack) {
 | |
| 	case Pack::Current:
 | |
| 		applyDifferenceToMe(difference);
 | |
| 		break;
 | |
| 	case Pack::Base:
 | |
| 		Assert(_base != nullptr);
 | |
| 		_base->applyDifference(Pack::Current, difference);
 | |
| 		break;
 | |
| 	default:
 | |
| 		Unexpected("Pack in Instance::applyDifference.");
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void Instance::applyDifferenceToMe(
 | |
| 		const MTPDlangPackDifference &difference) {
 | |
| 	Expects(LanguageIdOrDefault(_id) == qs(difference.vlang_code()));
 | |
| 	Expects(difference.vfrom_version().v <= _version);
 | |
| 
 | |
| 	_version = difference.vversion().v;
 | |
| 	for (const auto &string : difference.vstrings().v) {
 | |
| 		HandleString(string, [&](auto &&key, auto &&value) {
 | |
| 			applyValue(key, value);
 | |
| 		}, [&](auto &&key) {
 | |
| 			resetValue(key);
 | |
| 		});
 | |
| 	}
 | |
| 	if (!_derived) {
 | |
| 		_updated.fire({});
 | |
| 	} else {
 | |
| 		_derived->_updated.fire({});
 | |
| 	}
 | |
| }
 | |
| 
 | |
| std::map<ushort, QString> Instance::ParseStrings(
 | |
| 		const MTPVector<MTPLangPackString> &strings) {
 | |
| 	auto result = std::map<ushort, QString>();
 | |
| 	for (const auto &string : strings.v) {
 | |
| 		HandleString(string, [&](auto &&key, auto &&value) {
 | |
| 			ParseKeyValue(key, value, [&](ushort key, QString &&value) {
 | |
| 				result[key] = std::move(value);
 | |
| 			});
 | |
| 		}, [&](auto &&key) {
 | |
| 			auto keyIndex = GetKeyIndex(QLatin1String(key));
 | |
| 			if (keyIndex != kKeysCount) {
 | |
| 				result.erase(keyIndex);
 | |
| 			}
 | |
| 		});
 | |
| 	}
 | |
| 	return result;
 | |
| }
 | |
| 
 | |
| QString Instance::getNonDefaultValue(const QByteArray &key) const {
 | |
| 	const auto i = _nonDefaultValues.find(key);
 | |
| 	return (i != end(_nonDefaultValues))
 | |
| 		? QString::fromUtf8(i->second)
 | |
| 		: _base
 | |
| 		? _base->getNonDefaultValue(key)
 | |
| 		: QString();
 | |
| }
 | |
| 
 | |
| void Instance::applyValue(const QByteArray &key, const QByteArray &value) {
 | |
| 	_nonDefaultValues[key] = value;
 | |
| 	ParseKeyValue(key, value, [&](ushort key, QString &&value) {
 | |
| 		_nonDefaultSet[key] = 1;
 | |
| 		if (!_derived) {
 | |
| 			_values[key] = std::move(value);
 | |
| 		} else if (!_derived->_nonDefaultSet[key]) {
 | |
| 			_derived->_values[key] = std::move(value);
 | |
| 		}
 | |
| 		if (key == tr::lng_send_action_choose_sticker.base
 | |
| 			|| key == tr::lng_user_action_choose_sticker.base) {
 | |
| 			if (!_derived) {
 | |
| 				updateChoosingStickerReplacement();
 | |
| 			} else {
 | |
| 				_derived->updateChoosingStickerReplacement();
 | |
| 			}
 | |
| 		}
 | |
| 	});
 | |
| }
 | |
| 
 | |
| void Instance::updatePluralRules() {
 | |
| 	if (_pluralId.isEmpty()) {
 | |
| 		_pluralId = isCustom()
 | |
| 			? PluralCodeForCustom(
 | |
| 				_customFilePathAbsolute,
 | |
| 				_customFilePathRelative)
 | |
| 			: LanguageIdOrDefault(_id);
 | |
| 	}
 | |
| 	UpdatePluralRules(_pluralId);
 | |
| }
 | |
| 
 | |
| void Instance::resetValue(const QByteArray &key) {
 | |
| 	_nonDefaultValues.erase(key);
 | |
| 
 | |
| 	const auto keyIndex = GetKeyIndex(QLatin1String(key));
 | |
| 	if (keyIndex != kKeysCount) {
 | |
| 		_nonDefaultSet[keyIndex] = 0;
 | |
| 		if (!_derived) {
 | |
| 			const auto base = _base
 | |
| 				? _base->getNonDefaultValue(key)
 | |
| 				: QString();
 | |
| 			_values[keyIndex] = !base.isEmpty()
 | |
| 				? base
 | |
| 				: GetOriginalValue(keyIndex);
 | |
| 		} else if (!_derived->_nonDefaultSet[keyIndex]) {
 | |
| 			_derived->_values[keyIndex] = GetOriginalValue(keyIndex);
 | |
| 		}
 | |
| 		if (keyIndex == tr::lng_send_action_choose_sticker.base
 | |
| 			|| keyIndex == tr::lng_user_action_choose_sticker.base) {
 | |
| 			if (!_derived) {
 | |
| 				updateChoosingStickerReplacement();
 | |
| 			} else {
 | |
| 				_derived->updateChoosingStickerReplacement();
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| Instance &GetInstance() {
 | |
| 	return Core::App().langpack();
 | |
| }
 | |
| 
 | |
| QString Id() {
 | |
| 	return GetInstance().id();
 | |
| }
 | |
| 
 | |
| rpl::producer<> Updated() {
 | |
| 	return GetInstance().updated();
 | |
| }
 | |
| 
 | |
| QString GetNonDefaultValue(const QByteArray &key) {
 | |
| 	return GetInstance().getNonDefaultValue(key);
 | |
| }
 | |
| 
 | |
| namespace details {
 | |
| 
 | |
| QString Current(ushort key) {
 | |
| 	return GetInstance().getValue(key);
 | |
| }
 | |
| 
 | |
| rpl::producer<QString> Value(ushort key) {
 | |
| 	return rpl::single(
 | |
| 		Current(key)
 | |
| 	) | then(
 | |
| 		Updated() | rpl::map([=] { return Current(key); })
 | |
| 	);
 | |
| }
 | |
| 
 | |
| bool IsNonDefaultPlural(ushort keyBase) {
 | |
| 	return GetInstance().isNonDefaultPlural(keyBase);
 | |
| }
 | |
| 
 | |
| } // namespace details
 | |
| } // namespace Lang
 | 
