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df72480395
Now that clang-format makes [[nodiscard]] attributes format sensibly, we can apply them to several functions within the common library to allow the compiler to complain about any misuses of the functions.
53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
// Copyright 2018 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <string>
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#include "common/common_types.h"
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namespace Common {
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constexpr u128 INVALID_UUID{{0, 0}};
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struct UUID {
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// UUIDs which are 0 are considered invalid!
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u128 uuid = INVALID_UUID;
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constexpr UUID() = default;
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constexpr explicit UUID(const u128& id) : uuid{id} {}
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constexpr explicit UUID(const u64 lo, const u64 hi) : uuid{{lo, hi}} {}
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[[nodiscard]] constexpr explicit operator bool() const {
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return uuid[0] != INVALID_UUID[0] && uuid[1] != INVALID_UUID[1];
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}
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[[nodiscard]] constexpr bool operator==(const UUID& rhs) const {
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// TODO(DarkLordZach): Replace with uuid == rhs.uuid with C++20
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return uuid[0] == rhs.uuid[0] && uuid[1] == rhs.uuid[1];
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}
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[[nodiscard]] constexpr bool operator!=(const UUID& rhs) const {
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return !operator==(rhs);
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}
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// TODO(ogniK): Properly generate uuids based on RFC-4122
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[[nodiscard]] static UUID Generate();
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// Set the UUID to {0,0} to be considered an invalid user
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constexpr void Invalidate() {
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uuid = INVALID_UUID;
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}
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// TODO(ogniK): Properly generate a Nintendo ID
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[[nodiscard]] constexpr u64 GetNintendoID() const {
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return uuid[0];
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}
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[[nodiscard]] std::string Format() const;
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[[nodiscard]] std::string FormatSwitch() const;
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};
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static_assert(sizeof(UUID) == 16, "UUID is an invalid size!");
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} // namespace Common
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