106 lines
2.9 KiB
C++
106 lines
2.9 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 "export/output/export_output_abstract.h"
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#include "export/output/export_output_file.h"
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#include "export/export_settings.h"
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#include "export/data/export_data_types.h"
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namespace Export {
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namespace Output {
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namespace details {
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struct JsonContext {
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using Type = bool;
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static constexpr auto kObject = Type(true);
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static constexpr auto kArray = Type(false);
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// Always fun to use std::vector<bool>.
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std::vector<Type> nesting;
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};
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} // namespace details
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class JsonWriter : public AbstractWriter {
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public:
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Format format() override {
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return Format::Json;
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}
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Result start(
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const Settings &settings,
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const Environment &environment,
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Stats *stats) override;
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Result writePersonal(const Data::PersonalInfo &data) override;
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Result writeUserpicsStart(const Data::UserpicsInfo &data) override;
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Result writeUserpicsSlice(const Data::UserpicsSlice &data) override;
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Result writeUserpicsEnd() override;
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Result writeContactsList(const Data::ContactsList &data) override;
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Result writeSessionsList(const Data::SessionsList &data) override;
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Result writeOtherData(const Data::File &data) override;
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Result writeDialogsStart(const Data::DialogsInfo &data) override;
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Result writeDialogStart(const Data::DialogInfo &data) override;
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Result writeDialogSlice(const Data::MessagesSlice &data) override;
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Result writeDialogEnd() override;
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Result writeDialogsEnd() override;
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Result finish() override;
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QString mainFilePath() override;
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private:
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using Context = details::JsonContext;
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enum class DialogsMode {
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None,
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Chats,
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Left,
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};
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[[nodiscard]] QByteArray pushNesting(Context::Type type);
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[[nodiscard]] QByteArray prepareObjectItemStart(const QByteArray &key);
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[[nodiscard]] QByteArray prepareArrayItemStart();
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[[nodiscard]] QByteArray popNesting();
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[[nodiscard]] QString mainFileRelativePath() const;
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[[nodiscard]] QString pathWithRelativePath(const QString &path) const;
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[[nodiscard]] std::unique_ptr<File> fileWithRelativePath(
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const QString &path) const;
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[[nodiscard]] Result writeSavedContacts(const Data::ContactsList &data);
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[[nodiscard]] Result writeFrequentContacts(const Data::ContactsList &data);
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[[nodiscard]] Result writeSessions(const Data::SessionsList &data);
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[[nodiscard]] Result writeWebSessions(const Data::SessionsList &data);
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[[nodiscard]] Result validateDialogsMode(bool isLeftChannel);
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[[nodiscard]] Result writeChatsStart(
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const QByteArray &listName,
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const QByteArray &about);
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[[nodiscard]] Result writeChatsEnd();
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Settings _settings;
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Environment _environment;
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Stats *_stats = nullptr;
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Context _context;
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bool _currentNestingHadItem = false;
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DialogsMode _dialogsMode = DialogsMode::None;
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std::unique_ptr<File> _output;
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};
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} // namespace Output
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} // namespace Export
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