Added Rule of five to UUID
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@@ -12,15 +12,24 @@
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#include <memory>
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namespace Tourmaline::Type {
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struct UUID {
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constexpr static uint8_t BitLength = 128;
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constexpr static uint8_t QWORDLength = BitLength / 64;
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constexpr static uint8_t ByteLength = BitLength / 8;
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[[nodiscard]]
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std::string asString() const;
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UUID(uint64_t firstHalf, uint64_t secondHalf);
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UUID(const std::string &uuid);
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UUID(const UUID &uuid);
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UUID(UUID &&uuid) noexcept;
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UUID &operator=(const UUID &uuid);
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UUID &operator=(UUID &&uuid);
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~UUID() = default;
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private:
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std::unique_ptr<uint64_t[]> data = std::make_unique<uint64_t[]>(2);
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std::unique_ptr<uint64_t[]> data = std::make_unique<uint64_t[]>(QWORDLength);
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};
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} // namespace Tourmaline::Type
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#endif
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@@ -8,7 +8,9 @@
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*/
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#include "../Types.hpp"
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#include <algorithm>
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#include <charconv>
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#include <cstdint>
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#include <cstring>
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#include <format>
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#include <memory>
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#include <string>
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@@ -18,7 +20,31 @@ std::string UUID::asString() const {
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return std::format("{:016X}{:016X}", data[0], data[1]);
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}
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UUID::UUID(UUID &&uuid) noexcept { data.swap(uuid.data); }
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UUID::UUID(const UUID &uuid) {
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std::memcpy(data.get(), uuid.data.get(), UUID::QWORDLength);
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}
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UUID &UUID::operator=(const UUID &uuid) {
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if (this != &uuid) {
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std::memcpy(data.get(), uuid.data.get(), UUID::QWORDLength);
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}
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return *this;
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}
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UUID &UUID::operator=(UUID &&uuid) {
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if (this != &uuid) {
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data.swap(uuid.data);
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uuid.data.release(); // Might be unnecessary
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}
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return *this;
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}
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UUID::UUID(UUID &&uuid) noexcept {
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data.swap(uuid.data);
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uuid.data.release(); // Might be unnecessary
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}
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UUID::UUID(uint64_t firstHalf, uint64_t secondHalf) {
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data[0] = firstHalf;
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@@ -28,5 +54,9 @@ UUID::UUID(uint64_t firstHalf, uint64_t secondHalf) {
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UUID::UUID(const std::string &uuid) {
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// We are assuming that it is a valid UUID, if not then somewhere else this
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// UUID should cause an error
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std::copy(uuid.begin(), uuid.begin() + 32, data.get());
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auto start = uuid.c_str(), half = start + ByteLength,
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tail = half + ByteLength; // Each UUID element is 16 characters padded
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std::from_chars(start, half, data[0], 16);
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std::from_chars(half, tail, data[1], 16);
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}
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