tdesktop/Telegram/SourceFiles/api/api_hash.h

67 lines
1.7 KiB
C++

/*
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
namespace Main {
class Session;
} // namespace Main
namespace Api {
[[nodiscard]] uint64 CountStickersHash(
not_null<Main::Session*> session,
bool checkOutdatedInfo = false);
[[nodiscard]] uint64 CountMasksHash(
not_null<Main::Session*> session,
bool checkOutdatedInfo = false);
[[nodiscard]] uint64 CountRecentStickersHash(
not_null<Main::Session*> session,
bool attached = false);
[[nodiscard]] uint64 CountFavedStickersHash(not_null<Main::Session*> session);
[[nodiscard]] uint64 CountFeaturedStickersHash(
not_null<Main::Session*> session);
[[nodiscard]] uint64 CountSavedGifsHash(not_null<Main::Session*> session);
[[nodiscard]] inline uint64 HashInit() {
return 0;
}
inline void HashUpdate(uint64 &already, uint64 value) {
already ^= (already >> 21);
already ^= (already << 35);
already ^= (already >> 4);
already += value;
}
inline void HashUpdate(uint64 &already, int64 value) {
HashUpdate(already, uint64(value));
}
inline void HashUpdate(uint64 &already, uint32 value) {
HashUpdate(already, uint64(value));
}
inline void HashUpdate(uint64 &already, int32 value) {
HashUpdate(already, int64(value));
}
[[nodiscard]] inline uint64 HashFinalize(uint64 already) {
return already;
}
template <typename IntRange>
[[nodiscard]] inline uint64 CountHash(IntRange &&range) {
auto result = HashInit();
for (const auto value : range) {
HashUpdate(result, value);
}
return HashFinalize(result);
}
} // namespace Api