2432845df2
Rename base::enable_weak_from_this -> base::has_weak_ptr. Rename base::weak_unique_ptr -> base::weak_ptr. Rename base::make_weak_unique -> base::make_weak. Rename base/weak_unique_ptr.h -> base/weak_ptr.h
142 lines
4.1 KiB
C++
142 lines
4.1 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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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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constexpr auto kLegacyLanguageNone = -2;
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constexpr auto kLegacyCustomLanguage = -1;
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constexpr auto kLegacyDefaultLanguage = 0;
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constexpr str_const kLegacyLanguages[] = {
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"en",
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"it",
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"es",
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"de",
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"nl",
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"pt_BR",
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"ko",
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};
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inline QString ConvertLegacyLanguageId(const QString &languageId) {
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return languageId.toLower().replace('_', '-');
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}
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QString DefaultLanguageId();
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class Instance;
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Instance &Current();
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rpl::producer<QString> Viewer(LangKey key);
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class Instance {
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public:
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Instance() {
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fillDefaults();
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}
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void switchToId(const QString &id);
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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 cloudLangCode() const;
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QString id() const {
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return _id;
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}
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bool isCustom() const {
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return (_id == qstr("custom") || _id == qstr("TEST_X") || _id == qstr("TEST_0"));
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}
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int version() const {
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return _version;
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}
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QByteArray serialize() const;
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void fillFromSerialized(const QByteArray &data);
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void fillFromLegacy(int legacyId, const QString &legacyPath);
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void applyDifference(const MTPDlangPackDifference &difference);
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static std::map<LangKey, QString> ParseStrings(const MTPVector<MTPLangPackString> &strings);
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base::Observable<void> &updated() {
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return _updated;
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}
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QString getValue(LangKey key) const {
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Expects(key >= 0 && key < kLangKeysCount);
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Expects(_values.size() == kLangKeysCount);
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return _values[key];
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}
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bool isNonDefaultPlural(LangKey key) const {
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Expects(key >= 0 && key < kLangKeysCount);
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Expects(_nonDefaultSet.size() == kLangKeysCount);
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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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}
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private:
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// SetCallback takes two QByteArrays: key, value.
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// It is called for all key-value pairs in string.
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// ResetCallback takes one QByteArray: key.
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template <typename SetCallback, typename ResetCallback>
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static void HandleString(const MTPLangPackString &mtpString, SetCallback setCallback, ResetCallback resetCallback);
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// Writes each key-value pair in the result container.
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template <typename Result>
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static LangKey ParseKeyValue(const QByteArray &key, const QByteArray &value, Result &result);
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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();
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void fillDefaults();
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void fillFromCustomFile(const QString &filePath);
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void loadFromContent(const QByteArray &content);
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void loadFromCustomContent(const QString &absolutePath, const QString &relativePath, const QByteArray &content);
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void updatePluralRules();
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QString _id;
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int _legacyId = kLegacyLanguageNone;
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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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base::Observable<void> _updated;
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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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};
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} // namespace Lang
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