132 lines
3.4 KiB
C++
132 lines
3.4 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 "data/data_peer_id.h"
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struct MsgId {
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constexpr MsgId() noexcept = default;
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constexpr MsgId(int64 value) noexcept : bare(value) {
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}
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[[nodiscard]] constexpr explicit operator bool() const noexcept {
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return (bare != 0);
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}
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[[nodiscard]] constexpr bool operator!() const noexcept {
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return !bare;
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}
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[[nodiscard]] constexpr MsgId operator-() const noexcept {
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return -bare;
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}
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constexpr MsgId operator++() noexcept {
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return ++bare;
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}
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constexpr MsgId operator++(int) noexcept {
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return bare++;
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}
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constexpr MsgId operator--() noexcept {
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return --bare;
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}
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constexpr MsgId operator--(int) noexcept {
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return bare--;
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}
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constexpr auto operator<=>(const MsgId &other) const = default;
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constexpr bool operator==(const MsgId &other) const = default;
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int64 bare = 0;
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};
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Q_DECLARE_METATYPE(MsgId);
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[[nodiscard]] inline constexpr MsgId operator+(MsgId a, MsgId b) noexcept {
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return MsgId(a.bare + b.bare);
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}
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[[nodiscard]] inline constexpr MsgId operator-(MsgId a, MsgId b) noexcept {
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return MsgId(a.bare - b.bare);
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}
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constexpr auto StartClientMsgId = MsgId(0x01 - (1LL << 58));
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constexpr auto EndClientMsgId = MsgId(-(1LL << 57));
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constexpr auto ServerMaxMsgId = MsgId(1LL << 56);
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constexpr auto ShowAtUnreadMsgId = MsgId(0);
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constexpr auto SpecialMsgIdShift = EndClientMsgId.bare;
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constexpr auto ShowAtTheEndMsgId = MsgId(SpecialMsgIdShift + 1);
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constexpr auto SwitchAtTopMsgId = MsgId(SpecialMsgIdShift + 2);
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constexpr auto ShowAtProfileMsgId = MsgId(SpecialMsgIdShift + 3);
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constexpr auto ShowAndStartBotMsgId = MsgId(SpecialMsgIdShift + 4);
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constexpr auto ShowAtGameShareMsgId = MsgId(SpecialMsgIdShift + 5);
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constexpr auto ShowForChooseMessagesMsgId = MsgId(SpecialMsgIdShift + 6);
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static_assert(SpecialMsgIdShift + 0xFF < 0);
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static_assert(-(SpecialMsgIdShift + 0xFF) > ServerMaxMsgId);
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[[nodiscard]] constexpr inline bool IsClientMsgId(MsgId id) noexcept {
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return (id >= StartClientMsgId && id < EndClientMsgId);
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}
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[[nodiscard]] constexpr inline bool IsServerMsgId(MsgId id) noexcept {
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return (id > 0 && id < ServerMaxMsgId);
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}
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struct MsgRange {
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constexpr MsgRange() noexcept = default;
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constexpr MsgRange(MsgId from, MsgId till) noexcept
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: from(from)
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, till(till) {
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}
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MsgId from = 0;
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MsgId till = 0;
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};
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[[nodiscard]] inline constexpr bool operator==(
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MsgRange a,
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MsgRange b) noexcept {
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return (a.from == b.from) && (a.till == b.till);
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}
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[[nodiscard]] inline constexpr bool operator!=(
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MsgRange a,
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MsgRange b) noexcept {
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return !(a == b);
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}
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struct FullMsgId {
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constexpr FullMsgId() noexcept = default;
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constexpr FullMsgId(ChannelId channel, MsgId msg) noexcept
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: channel(channel), msg(msg) {
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}
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constexpr explicit operator bool() const noexcept {
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return msg != 0;
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}
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constexpr bool operator!() const noexcept {
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return msg == 0;
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}
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constexpr auto operator<=>(const FullMsgId &other) const = default;
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constexpr bool operator==(const FullMsgId &other) const = default;
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ChannelId channel = NoChannel;
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MsgId msg = 0;
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};
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Q_DECLARE_METATYPE(FullMsgId);
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namespace std {
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template <>
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struct hash<MsgId> : private hash<int64> {
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size_t operator()(MsgId value) const noexcept {
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return hash<int64>::operator()(value.bare);
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}
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};
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} // namespace std
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