82 lines
1.8 KiB
C++
82 lines
1.8 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2024
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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/utils/common.h"
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#include "td/utils/HashTableUtils.h"
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#include "td/utils/StringBuilder.h"
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#include "td/utils/tl_helpers.h"
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#include <type_traits>
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namespace td {
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class StoryId {
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int32 id = 0;
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public:
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static constexpr int32 MAX_SERVER_STORY_ID = 1999999999;
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StoryId() = default;
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explicit constexpr StoryId(int32 story_id) : id(story_id) {
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}
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template <class T, typename = std::enable_if_t<std::is_convertible<T, int32>::value>>
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StoryId(T story_id) = delete;
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static vector<int32> get_input_story_ids(const vector<StoryId> &story_ids) {
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vector<int32> input_story_ids;
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input_story_ids.reserve(story_ids.size());
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for (auto &story_id : story_ids) {
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input_story_ids.emplace_back(story_id.get());
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}
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return input_story_ids;
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}
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int32 get() const {
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return id;
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}
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bool operator==(const StoryId &other) const {
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return id == other.id;
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}
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bool operator!=(const StoryId &other) const {
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return id != other.id;
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}
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bool is_valid() const {
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return id > 0;
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}
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bool is_server() const {
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return id > 0 && id <= MAX_SERVER_STORY_ID;
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}
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template <class StorerT>
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void store(StorerT &storer) const {
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td::store(id, storer);
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}
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template <class ParserT>
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void parse(ParserT &parser) {
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td::parse(id, parser);
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}
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};
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struct StoryIdHash {
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uint32 operator()(StoryId story_id) const {
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return Hash<int32>()(story_id.get());
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}
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};
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inline StringBuilder &operator<<(StringBuilder &string_builder, StoryId story_id) {
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return string_builder << "story " << story_id.get();
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}
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} // namespace td
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