mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 15:32:46 +00:00
57dc179b1f
This will make it easier to support both string types at the same time while we convert code, and tracking down remaining uses. One big exception is Value::to_string() in LibJS, where the name is dictated by the ToString AO.
118 lines
3.1 KiB
C++
118 lines
3.1 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/AllOf.h>
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#include <AK/Array.h>
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#include <AK/Assertions.h>
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#include <AK/Types.h>
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#include <AK/Vector.h>
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#ifdef KERNEL
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# include <Kernel/KString.h>
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#else
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# include <AK/DeprecatedString.h>
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#endif
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class [[gnu::packed]] MACAddress {
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static constexpr size_t s_mac_address_length = 6u;
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public:
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constexpr MACAddress() = default;
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constexpr MACAddress(u8 a, u8 b, u8 c, u8 d, u8 e, u8 f)
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{
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m_data[0] = a;
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m_data[1] = b;
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m_data[2] = c;
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m_data[3] = d;
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m_data[4] = e;
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m_data[5] = f;
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}
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constexpr ~MACAddress() = default;
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constexpr u8 const& operator[](unsigned i) const
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{
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VERIFY(i < s_mac_address_length);
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return m_data[i];
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}
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constexpr u8& operator[](unsigned i)
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{
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VERIFY(i < s_mac_address_length);
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return m_data[i];
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}
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constexpr bool operator==(MACAddress const& other) const
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{
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for (auto i = 0u; i < m_data.size(); ++i) {
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if (m_data[i] != other.m_data[i]) {
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return false;
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}
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}
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return true;
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}
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#ifdef KERNEL
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ErrorOr<NonnullOwnPtr<Kernel::KString>> to_string() const
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{
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return Kernel::KString::formatted("{:02x}:{:02x}:{:02x}:{:02x}:{:02x}:{:02x}", m_data[0], m_data[1], m_data[2], m_data[3], m_data[4], m_data[5]);
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}
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#else
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DeprecatedString to_deprecated_string() const
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{
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return DeprecatedString::formatted("{:02x}:{:02x}:{:02x}:{:02x}:{:02x}:{:02x}", m_data[0], m_data[1], m_data[2], m_data[3], m_data[4], m_data[5]);
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}
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#endif
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static Optional<MACAddress> from_string(StringView string)
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{
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if (string.is_null())
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return {};
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auto const parts = string.split_view(':');
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if (parts.size() != 6)
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return {};
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auto a = AK::StringUtils::convert_to_uint_from_hex(parts[0]).value_or(256);
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auto b = AK::StringUtils::convert_to_uint_from_hex(parts[1]).value_or(256);
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auto c = AK::StringUtils::convert_to_uint_from_hex(parts[2]).value_or(256);
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auto d = AK::StringUtils::convert_to_uint_from_hex(parts[3]).value_or(256);
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auto e = AK::StringUtils::convert_to_uint_from_hex(parts[4]).value_or(256);
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auto f = AK::StringUtils::convert_to_uint_from_hex(parts[5]).value_or(256);
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if (a > 255 || b > 255 || c > 255 || d > 255 || e > 255 || f > 255)
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return {};
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return MACAddress(a, b, c, d, e, f);
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}
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constexpr bool is_zero() const
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{
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return all_of(m_data, [](auto const octet) { return octet == 0; });
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}
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void copy_to(Bytes destination) const
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{
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m_data.span().copy_to(destination);
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}
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private:
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Array<u8, s_mac_address_length> m_data {};
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};
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static_assert(sizeof(MACAddress) == 6u);
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namespace AK {
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template<>
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struct Traits<MACAddress> : public GenericTraits<MACAddress> {
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static unsigned hash(MACAddress const& address) { return string_hash((char const*)&address, sizeof(address)); }
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};
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}
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