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Telegram/SourceFiles/api/api_hash.h

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+/*
+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 CountCustomEmojiHash(
+	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 CountFeaturedEmojiHash(
+	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