108 lines
2.9 KiB
C++
108 lines
2.9 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#pragma once
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#include "td/telegram/files/FileId.h"
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#include "td/telegram/logevent/LogEvent.h"
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#include "td/telegram/Photo.h"
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#include "td/telegram/td_api.h"
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#include "td/telegram/telegram_api.h"
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#include "td/utils/common.h"
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#include "td/utils/FlatHashMap.h"
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#include "td/utils/Slice.h"
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namespace td {
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struct GetWebPageBlockObjectContext;
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class Td;
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class WebPageBlock {
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protected:
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enum class Type : int32 {
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Title,
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Subtitle,
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AuthorDate,
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Header,
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Subheader,
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Paragraph,
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Preformatted,
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Footer,
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Divider,
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Anchor,
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List,
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BlockQuote,
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PullQuote,
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Animation,
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Photo,
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Video,
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Cover,
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Embedded,
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EmbeddedPost,
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Collage,
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Slideshow,
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ChatLink,
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Audio,
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Kicker,
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Table,
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Details,
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RelatedArticles,
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Map,
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VoiceNote,
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Size
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};
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virtual Type get_type() const = 0;
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template <class F>
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static void call_impl(Type type, const WebPageBlock *ptr, F &&f);
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template <class StorerT>
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void store(StorerT &storer) const;
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template <class ParserT>
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static unique_ptr<WebPageBlock> parse(ParserT &parser);
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template <class StorerT>
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friend void store_web_page_block(const unique_ptr<WebPageBlock> &block, StorerT &storer);
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template <class ParserT>
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friend void parse_web_page_block(unique_ptr<WebPageBlock> &block, ParserT &parser);
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using Context = GetWebPageBlockObjectContext;
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public:
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WebPageBlock() = default;
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WebPageBlock(const WebPageBlock &) = delete;
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WebPageBlock &operator=(const WebPageBlock &) = delete;
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WebPageBlock(WebPageBlock &&) = delete;
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WebPageBlock &operator=(WebPageBlock &&) = delete;
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virtual ~WebPageBlock() = default;
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virtual void append_file_ids(const Td *td, vector<FileId> &file_ids) const = 0;
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virtual td_api::object_ptr<td_api::PageBlock> get_page_block_object(Context *context) const = 0;
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};
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void store(const unique_ptr<WebPageBlock> &block, LogEventStorerCalcLength &storer);
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void store(const unique_ptr<WebPageBlock> &block, LogEventStorerUnsafe &storer);
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void parse(unique_ptr<WebPageBlock> &block, LogEventParser &parser);
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vector<unique_ptr<WebPageBlock>> get_web_page_blocks(
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Td *td, vector<tl_object_ptr<telegram_api::PageBlock>> page_block_ptrs,
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const FlatHashMap<int64, FileId> &animations, const FlatHashMap<int64, FileId> &audios,
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const FlatHashMap<int64, FileId> &documents, const FlatHashMap<int64, Photo> &photos,
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const FlatHashMap<int64, FileId> &videos, const FlatHashMap<int64, FileId> &voice_notes);
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vector<td_api::object_ptr<td_api::PageBlock>> get_page_block_objects(
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const vector<unique_ptr<WebPageBlock>> &page_blocks, Td *td, Slice base_url);
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} // namespace td
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