163 lines
4 KiB
C++
163 lines
4 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include <rpl/producer.h>
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#include "lang_auto.h"
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#include "base/weak_ptr.h"
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namespace Lang {
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inline constexpr auto kChoosingStickerReplacement = "oo"_cs;
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struct Language {
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QString id;
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QString pluralId;
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QString baseId;
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QString name;
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QString nativeName;
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};
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inline bool operator==(const Language &a, const Language &b) {
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return (a.id == b.id) && (a.name == b.name);
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}
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inline bool operator!=(const Language &a, const Language &b) {
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return !(a == b);
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}
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QString DefaultLanguageId();
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QString LanguageIdOrDefault(const QString &id);
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QString CloudLangPackName();
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QString CustomLanguageId();
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Language DefaultLanguage();
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class Instance;
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Instance &GetInstance();
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enum class Pack {
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None,
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Current,
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Base,
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};
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class Instance {
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struct PrivateTag;
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public:
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Instance();
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Instance(not_null<Instance*> derived, const PrivateTag &);
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void switchToId(const Language &language);
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void switchToCustomFile(const QString &filePath);
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Instance(const Instance &other) = delete;
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Instance &operator=(const Instance &other) = delete;
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Instance(Instance &&other) = default;
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Instance &operator=(Instance &&other) = default;
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QString systemLangCode() const;
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QString langPackName() const;
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QString cloudLangCode(Pack pack) const;
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QString id() const;
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rpl::producer<QString> idChanges() const;
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QString baseId() const;
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QString name() const;
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QString nativeName() const;
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QString id(Pack pack) const;
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bool isCustom() const;
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int version(Pack pack) const;
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QByteArray serialize() const;
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void fillFromSerialized(const QByteArray &data, int dataAppVersion);
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bool supportChoosingStickerReplacement() const;
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int rightIndexChoosingStickerReplacement(bool named) const;
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void applyDifference(
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Pack pack,
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const MTPDlangPackDifference &difference);
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static std::map<ushort, QString> ParseStrings(
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const MTPVector<MTPLangPackString> &strings);
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[[nodiscard]] rpl::producer<> updated() const {
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return _updated.events();
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}
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QString getValue(ushort key) const {
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Expects(key < _values.size());
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return _values[key];
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}
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QString getNonDefaultValue(const QByteArray &key) const;
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bool isNonDefaultPlural(ushort key) const {
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Expects(key + 5 < _nonDefaultSet.size());
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return _nonDefaultSet[key]
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|| _nonDefaultSet[key + 1]
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|| _nonDefaultSet[key + 2]
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|| _nonDefaultSet[key + 3]
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|| _nonDefaultSet[key + 4]
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|| _nonDefaultSet[key + 5]
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|| (_base && _base->isNonDefaultPlural(key));
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}
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private:
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void setBaseId(const QString &baseId, const QString &pluralId);
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void applyDifferenceToMe(const MTPDlangPackDifference &difference);
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void applyValue(const QByteArray &key, const QByteArray &value);
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void resetValue(const QByteArray &key);
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void reset(const Language &language);
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void fillFromCustomContent(
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const QString &absolutePath,
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const QString &relativePath,
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const QByteArray &content);
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bool loadFromCustomFile(const QString &filePath);
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void loadFromContent(const QByteArray &content);
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void loadFromCustomContent(
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const QString &absolutePath,
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const QString &relativePath,
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const QByteArray &content);
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void updatePluralRules();
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void updateChoosingStickerReplacement();
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Instance *_derived = nullptr;
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QString _id, _pluralId;
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rpl::event_stream<QString> _idChanges;
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QString _name, _nativeName;
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QString _customFilePathAbsolute;
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QString _customFilePathRelative;
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QByteArray _customFileContent;
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int _version = 0;
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rpl::event_stream<> _updated;
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struct {
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bool support = false;
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int rightIndex = 0;
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int rightIndexNamed = 0;
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} _choosingStickerReplacement;
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mutable QString _systemLanguage;
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std::vector<QString> _values;
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std::vector<uchar> _nonDefaultSet;
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std::map<QByteArray, QByteArray> _nonDefaultValues;
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std::unique_ptr<Instance> _base;
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};
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namespace details {
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QString Current(ushort key);
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rpl::producer<QString> Value(ushort key);
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} // namespace details
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} // namespace Lang
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