56 lines
1.5 KiB
C++
56 lines
1.5 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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namespace Main {
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class Session;
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} // namespace Main
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namespace Api {
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[[nodiscard]] int32 CountStickersHash(
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not_null<Main::Session*> session,
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bool checkOutdatedInfo = false);
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[[nodiscard]] int32 CountRecentStickersHash(
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not_null<Main::Session*> session);
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[[nodiscard]] int32 CountFavedStickersHash(not_null<Main::Session*> session);
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[[nodiscard]] int32 CountFeaturedStickersHash(
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not_null<Main::Session*> session);
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[[nodiscard]] int32 CountSavedGifsHash(not_null<Main::Session*> session);
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[[nodiscard]] inline uint32 HashInit() {
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return 0;
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}
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inline void HashUpdate(uint32 &already, uint32 value) {
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already = (already * 20261) + uint32(value);
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}
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inline void HashUpdate(uint32 &already, int32 value) {
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HashUpdate(already, uint32(value));
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}
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inline void HashUpdate(uint32 &already, uint64 value) {
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HashUpdate(already, uint32(value >> 32));
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HashUpdate(already, uint32(value & 0xFFFFFFFFULL));
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}
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[[nodiscard]] inline int32 HashFinalize(uint32 already) {
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return int32(already & 0x7FFFFFFF);
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}
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template <typename IntRange>
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[[nodiscard]] inline int32 CountHash(IntRange &&range) {
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auto result = HashInit();
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for (const auto value : range) {
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HashUpdate(result, value);
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}
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return HashFinalize(result);
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}
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} // namespace Api
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