Add basic HTML export.

Telegram/SourceFiles/export/output/export_output_html.h

@@ -0,0 +1,101 @@
+/*
+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
+*/
+#pragma once
+
+#include "export/output/export_output_abstract.h"
+#include "export/output/export_output_file.h"
+#include "export/export_settings.h"
+#include "export/data/export_data_types.h"
+
+namespace Export {
+namespace Output {
+
+class HtmlWriter : public AbstractWriter {
+public:
+	HtmlWriter();
+
+	Format format() override {
+		return Format::Html;
+	}
+
+	Result start(const Settings &settings, Stats *stats) override;
+
+	Result writePersonal(const Data::PersonalInfo &data) override;
+
+	Result writeUserpicsStart(const Data::UserpicsInfo &data) override;
+	Result writeUserpicsSlice(const Data::UserpicsSlice &data) override;
+	Result writeUserpicsEnd() override;
+
+	Result writeContactsList(const Data::ContactsList &data) override;
+
+	Result writeSessionsList(const Data::SessionsList &data) override;
+
+	Result writeDialogsStart(const Data::DialogsInfo &data) override;
+	Result writeDialogStart(const Data::DialogInfo &data) override;
+	Result writeDialogSlice(const Data::MessagesSlice &data) override;
+	Result writeDialogEnd() override;
+	Result writeDialogsEnd() override;
+
+	Result writeLeftChannelsStart(const Data::DialogsInfo &data) override;
+	Result writeLeftChannelStart(const Data::DialogInfo &data) override;
+	Result writeLeftChannelSlice(const Data::MessagesSlice &data) override;
+	Result writeLeftChannelEnd() override;
+	Result writeLeftChannelsEnd() override;
+
+	Result finish() override;
+
+	QString mainFilePath() override;
+
+	~HtmlWriter();
+
+private:
+	class Wrap;
+
+	Result copyFile(
+		const QString &source,
+		const QString &relativePath) const;
+
+	QString mainFileRelativePath() const;
+	QString pathWithRelativePath(const QString &path) const;
+	std::unique_ptr<Wrap> fileWithRelativePath(const QString &path) const;
+
+	Result writeSavedContacts(const Data::ContactsList &data);
+	Result writeFrequentContacts(const Data::ContactsList &data);
+
+	Result writeSessions(const Data::SessionsList &data);
+	Result writeWebSessions(const Data::SessionsList &data);
+
+	Result writeChatsStart(
+		const Data::DialogsInfo &data,
+		const QByteArray &listName,
+		const QString &fileName);
+	Result writeChatStart(const Data::DialogInfo &data);
+	Result writeChatSlice(const Data::MessagesSlice &data);
+	Result writeChatEnd();
+	Result writeChatsEnd();
+
+	Settings _settings;
+	Stats *_stats = nullptr;
+
+	std::unique_ptr<Wrap> _summary;
+
+	int _userpicsCount = 0;
+	std::unique_ptr<Wrap> _userpics;
+
+	int _dialogsCount = 0;
+	int _dialogIndex = 0;
+	Data::DialogInfo _dialog;
+
+	int _messagesCount = 0;
+	std::unique_ptr<Wrap> _chats;
+	std::unique_ptr<Wrap> _chat;
+
+};
+
+} // namespace Output
+} // namespace Export