225 lines
8.3 KiB
C++
225 lines
8.3 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/DialogId.h"
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#include "td/telegram/secret_api.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/telegram/UserId.h"
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#include "td/utils/common.h"
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#include "td/utils/FlatHashSet.h"
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#include "td/utils/Slice.h"
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#include "td/utils/Status.h"
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#include "td/utils/StringBuilder.h"
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#include <utility>
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namespace td {
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class ContactsManager;
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class Dependencies;
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class MultiPromiseActor;
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class Td;
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class MessageEntity {
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public:
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// don't forget to update get_type_priority()
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enum class Type : int32 {
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Mention,
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Hashtag,
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BotCommand,
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Url,
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EmailAddress,
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Bold,
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Italic,
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Code,
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Pre,
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PreCode,
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TextUrl,
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MentionName,
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Cashtag,
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PhoneNumber,
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Underline,
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Strikethrough,
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BlockQuote,
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BankCardNumber,
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MediaTimestamp,
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Spoiler,
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CustomEmoji,
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Size
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};
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Type type = Type::Size;
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int32 offset = -1;
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int32 length = -1;
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int32 media_timestamp = -1;
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string argument;
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UserId user_id;
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int64 document_id = 0;
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MessageEntity() = default;
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MessageEntity(Type type, int32 offset, int32 length, string argument = "")
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: type(type), offset(offset), length(length), argument(std::move(argument)) {
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}
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MessageEntity(int32 offset, int32 length, UserId user_id)
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: type(Type::MentionName), offset(offset), length(length), user_id(user_id) {
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}
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MessageEntity(Type type, int32 offset, int32 length, int32 media_timestamp)
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: type(type), offset(offset), length(length), media_timestamp(media_timestamp) {
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CHECK(type == Type::MediaTimestamp);
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}
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MessageEntity(Type type, int32 offset, int32 length, int64 document_id)
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: type(type), offset(offset), length(length), document_id(document_id) {
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CHECK(type == Type::CustomEmoji);
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}
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tl_object_ptr<td_api::textEntity> get_text_entity_object() const;
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bool operator==(const MessageEntity &other) const {
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return offset == other.offset && length == other.length && type == other.type &&
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media_timestamp == other.media_timestamp && argument == other.argument && user_id == other.user_id &&
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document_id == other.document_id;
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}
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bool operator<(const MessageEntity &other) const {
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if (offset != other.offset) {
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return offset < other.offset;
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}
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if (length != other.length) {
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return length > other.length;
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}
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auto priority = get_type_priority(type);
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auto other_priority = get_type_priority(other.type);
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return priority < other_priority;
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}
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bool operator!=(const MessageEntity &rhs) const {
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return !(*this == rhs);
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}
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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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void parse(ParserT &parser);
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private:
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tl_object_ptr<td_api::TextEntityType> get_text_entity_type_object() const;
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static int get_type_priority(Type type);
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};
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StringBuilder &operator<<(StringBuilder &string_builder, const MessageEntity::Type &message_entity_type);
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StringBuilder &operator<<(StringBuilder &string_builder, const MessageEntity &message_entity);
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struct FormattedText {
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string text;
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vector<MessageEntity> entities;
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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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void parse(ParserT &parser);
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};
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StringBuilder &operator<<(StringBuilder &string_builder, const FormattedText &text);
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inline bool operator==(const FormattedText &lhs, const FormattedText &rhs) {
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return lhs.text == rhs.text && lhs.entities == rhs.entities;
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}
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inline bool operator!=(const FormattedText &lhs, const FormattedText &rhs) {
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return !(lhs == rhs);
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}
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const FlatHashSet<Slice, SliceHash> &get_valid_short_usernames();
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Result<vector<MessageEntity>> get_message_entities(const ContactsManager *contacts_manager,
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vector<tl_object_ptr<td_api::textEntity>> &&input_entities,
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bool allow_all = false);
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vector<tl_object_ptr<td_api::textEntity>> get_text_entities_object(const vector<MessageEntity> &entities,
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bool skip_bot_commands, int32 max_media_timestamp);
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td_api::object_ptr<td_api::formattedText> get_formatted_text_object(const FormattedText &text, bool skip_bot_commands,
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int32 max_media_timestamp);
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void remove_premium_custom_emoji_entities(const Td *td, vector<MessageEntity> &entities, bool remove_unknown);
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void remove_unallowed_entities(const Td *td, FormattedText &text, DialogId dialog_id);
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vector<MessageEntity> find_entities(Slice text, bool skip_bot_commands, bool skip_media_timestamps);
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vector<Slice> find_mentions(Slice str);
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vector<Slice> find_bot_commands(Slice str);
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vector<Slice> find_hashtags(Slice str);
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vector<Slice> find_cashtags(Slice str);
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vector<Slice> find_bank_card_numbers(Slice str);
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vector<Slice> find_tg_urls(Slice str);
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bool is_email_address(Slice str);
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vector<std::pair<Slice, bool>> find_urls(Slice str); // slice + is_email_address
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vector<std::pair<Slice, int32>> find_media_timestamps(Slice str); // slice + media_timestamp
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string get_first_url(Slice text, const vector<MessageEntity> &entities);
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Result<vector<MessageEntity>> parse_markdown(string &text);
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Result<vector<MessageEntity>> parse_markdown_v2(string &text);
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FormattedText parse_markdown_v3(FormattedText text);
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FormattedText get_markdown_v3(FormattedText text);
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Result<vector<MessageEntity>> parse_html(string &text);
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vector<tl_object_ptr<telegram_api::MessageEntity>> get_input_message_entities(const ContactsManager *contacts_manager,
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const vector<MessageEntity> &entities,
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const char *source);
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vector<tl_object_ptr<telegram_api::MessageEntity>> get_input_message_entities(const ContactsManager *contacts_manager,
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const FormattedText *text,
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const char *source);
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vector<tl_object_ptr<secret_api::MessageEntity>> get_input_secret_message_entities(
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const vector<MessageEntity> &entities, int32 layer);
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vector<MessageEntity> get_message_entities(const ContactsManager *contacts_manager,
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vector<tl_object_ptr<telegram_api::MessageEntity>> &&server_entities,
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const char *source);
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vector<MessageEntity> get_message_entities(Td *td, vector<tl_object_ptr<secret_api::MessageEntity>> &&secret_entities,
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bool is_premium, MultiPromiseActor &load_data_multipromise);
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// like clean_input_string but also validates entities
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Status fix_formatted_text(string &text, vector<MessageEntity> &entities, bool allow_empty, bool skip_new_entities,
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bool skip_bot_commands, bool skip_media_timestamps, bool for_draft) TD_WARN_UNUSED_RESULT;
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FormattedText get_message_text(const ContactsManager *contacts_manager, string message_text,
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vector<tl_object_ptr<telegram_api::MessageEntity>> &&server_entities,
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bool skip_new_entities, bool skip_media_timestamps, int32 send_date, bool from_album,
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const char *source);
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td_api::object_ptr<td_api::formattedText> extract_input_caption(
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tl_object_ptr<td_api::InputMessageContent> &input_message_content);
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Result<FormattedText> process_input_caption(const ContactsManager *contacts_manager, DialogId dialog_id,
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tl_object_ptr<td_api::formattedText> &&caption, bool is_bot);
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void add_formatted_text_dependencies(Dependencies &dependencies, const FormattedText *text);
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bool has_media_timestamps(const FormattedText *text, int32 min_media_timestamp, int32 max_media_timestamp);
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bool has_bot_commands(const FormattedText *text);
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bool need_always_skip_bot_commands(const ContactsManager *contacts_manager, DialogId dialog_id, bool is_bot);
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} // namespace td
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