ladybird/AK/Hex.h

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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/ByteBuffer.h>
#include <AK/Error.h>
#include <AK/StringView.h>
#ifdef KERNEL
# include <Kernel/Library/KString.h>
#else
# include <AK/ByteString.h>
#endif
namespace AK {
constexpr u8 decode_hex_digit(char digit)
{
if (digit >= '0' && digit <= '9')
return digit - '0';
if (digit >= 'a' && digit <= 'f')
return 10 + (digit - 'a');
if (digit >= 'A' && digit <= 'F')
return 10 + (digit - 'A');
return 255;
}
ErrorOr<ByteBuffer> decode_hex(StringView);
#ifdef KERNEL
ErrorOr<NonnullOwnPtr<Kernel::KString>> encode_hex(ReadonlyBytes);
#else
ByteString encode_hex(ReadonlyBytes);
#endif
}
#if USING_AK_GLOBALLY
using AK::decode_hex;
using AK::decode_hex_digit;
using AK::encode_hex;
#endif