mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-22 15:40:19 +00:00
5e1499d104
This commit un-deprecates DeprecatedString, and repurposes it as a byte
string.
As the null state has already been removed, there are no other
particularly hairy blockers in repurposing this type as a byte string
(what it _really_ is).
This commit is auto-generated:
$ xs=$(ack -l \bDeprecatedString\b\|deprecated_string AK Userland \
Meta Ports Ladybird Tests Kernel)
$ perl -pie 's/\bDeprecatedString\b/ByteString/g;
s/deprecated_string/byte_string/g' $xs
$ clang-format --style=file -i \
$(git diff --name-only | grep \.cpp\|\.h)
$ gn format $(git ls-files '*.gn' '*.gni')
59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
/*
|
|
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
|
|
* Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <AK/Hex.h>
|
|
#include <AK/StringBuilder.h>
|
|
#include <AK/Types.h>
|
|
#include <AK/Vector.h>
|
|
|
|
namespace AK {
|
|
|
|
ErrorOr<ByteBuffer> decode_hex(StringView input)
|
|
{
|
|
if ((input.length() % 2) != 0)
|
|
return Error::from_string_view_or_print_error_and_return_errno("Hex string was not an even length"sv, EINVAL);
|
|
|
|
auto output = TRY(ByteBuffer::create_zeroed(input.length() / 2));
|
|
|
|
for (size_t i = 0; i < input.length() / 2; ++i) {
|
|
auto const c1 = decode_hex_digit(input[i * 2]);
|
|
if (c1 >= 16)
|
|
return Error::from_string_view_or_print_error_and_return_errno("Hex string contains invalid digit"sv, EINVAL);
|
|
|
|
auto const c2 = decode_hex_digit(input[i * 2 + 1]);
|
|
if (c2 >= 16)
|
|
return Error::from_string_view_or_print_error_and_return_errno("Hex string contains invalid digit"sv, EINVAL);
|
|
|
|
output[i] = (c1 << 4) + c2;
|
|
}
|
|
|
|
return { move(output) };
|
|
}
|
|
|
|
#ifdef KERNEL
|
|
ErrorOr<NonnullOwnPtr<Kernel::KString>> encode_hex(const ReadonlyBytes input)
|
|
{
|
|
StringBuilder output(input.size() * 2);
|
|
|
|
for (auto ch : input)
|
|
TRY(output.try_appendff("{:02x}", ch));
|
|
|
|
return Kernel::KString::try_create(output.string_view());
|
|
}
|
|
#else
|
|
ByteString encode_hex(const ReadonlyBytes input)
|
|
{
|
|
StringBuilder output(input.size() * 2);
|
|
|
|
for (auto ch : input)
|
|
output.appendff("{:02x}", ch);
|
|
|
|
return output.to_byte_string();
|
|
}
|
|
#endif
|
|
|
|
}
|