RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 03:37:34 +00:00
Code Issues Activity Actions

LibWeb: Add convert string into scalar value from Infra spec

Browse source
This commit is contained in:
Kenneth Myhra 2023-02-03 21:49:54 +01:00 • committed by Linus Groh
parent 2ad9c1fd6c
commit b74d5a423d
2 changed files with 17 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

15
Userland/Libraries/LibWeb/Infra/Strings.cpp
View file

@ -1,6 +1,7 @@
/*
* Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2022, networkException <networkexception@serenityos.org>
* Copyright (c) 2023, Kenneth Myhra <kennethmyhra@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -65,4 +66,18 @@ bool is_code_unit_prefix(StringView potential_prefix, StringView input)
}
}
// https://infra.spec.whatwg.org/#scalar-value-string
ErrorOr<String> convert_to_scalar_value_string(StringView string)
{
// To convert a string into a scalar value string, replace any surrogates with U+FFFD.
StringBuilder scalar_value_builder;
auto utf8_view = Utf8View { string };
for (u32 code_point : utf8_view) {
if (is_unicode_surrogate(code_point))
code_point = 0xFFFD;
TRY(scalar_value_builder.try_append(code_point));
}
return scalar_value_builder.to_string();
}
}