ladybird/AK/Hex.h
2021-11-11 01:27:46 +01:00

36 lines
676 B
C++

/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/ByteBuffer.h>
#include <AK/Optional.h>
#include <AK/String.h>
#include <AK/StringView.h>
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;
}
Optional<ByteBuffer> decode_hex(StringView);
String encode_hex(ReadonlyBytes);
}
using AK::decode_hex;
using AK::decode_hex_digit;
using AK::encode_hex;