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| author | Kenneth Myhra <kennethmyhra@gmail.com> | 2023-02-03 21:49:54 +0100 |
|---|---|---|
| committer | Linus Groh <mail@linusgroh.de> | 2023-02-12 00:18:09 +0000 |
| commit | b74d5a423deeb0a9e504f6f3dece6b3472152bc4 (patch) | |
| tree | c8c6f28dcf0e752fea9f13cfa2d16109a62274fe | |
| parent | 2ad9c1fd6cc46183f0a57e30cd36a64afe5a42e8 (diff) | |
| download | serenity-b74d5a423deeb0a9e504f6f3dece6b3472152bc4.zip | |
LibWeb: Add convert string into scalar value from Infra spec
| -rw-r--r-- | Userland/Libraries/LibWeb/Infra/Strings.cpp | 15 | ||||
| -rw-r--r-- | Userland/Libraries/LibWeb/Infra/Strings.h | 2 |
2 files changed, 17 insertions, 0 deletions
diff --git a/Userland/Libraries/LibWeb/Infra/Strings.cpp b/Userland/Libraries/LibWeb/Infra/Strings.cpp index 973982833b..9a95fb9750 100644 --- a/Userland/Libraries/LibWeb/Infra/Strings.cpp +++ b/Userland/Libraries/LibWeb/Infra/Strings.cpp @@ -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(); +} + } diff --git a/Userland/Libraries/LibWeb/Infra/Strings.h b/Userland/Libraries/LibWeb/Infra/Strings.h index 17670b8fb6..a3f6fa3d8f 100644 --- a/Userland/Libraries/LibWeb/Infra/Strings.h +++ b/Userland/Libraries/LibWeb/Infra/Strings.h @@ -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 */ @@ -13,5 +14,6 @@ namespace Web::Infra { DeprecatedString strip_and_collapse_whitespace(StringView string); bool is_code_unit_prefix(StringView potential_prefix, StringView input); +ErrorOr<String> convert_to_scalar_value_string(StringView string); } |