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LibWeb/CSS: Implement is_a_valid_css_property()

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Also mark these functions as inline instead of static, to fix a compiler
error about them being unused.
This commit is contained in:
Sam Atkins 2025-08-11 12:41:57 +01:00
commit 05884f1d91
Notes: github-actions[bot] 2025-08-13 09:16:18 +00:00
1 changed files with 11 additions and 3 deletions
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14
Libraries/LibWeb/CSS/PropertyName.h
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2024, Sam Atkins <sam@ladybird.org>
* Copyright (c) 2024-2025, Sam Atkins <sam@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -11,7 +11,7 @@
namespace Web::CSS {
static bool is_invalid_custom_property_name_string(StringView string)
inline bool is_invalid_custom_property_name_string(StringView string)
{
// https://drafts.csswg.org/css-variables-2/#typedef-custom-property-name
// The <custom-property-name> production corresponds to this: it’s defined as any <dashed-ident>
@ -20,10 +20,18 @@ static bool is_invalid_custom_property_name_string(StringView string)
}
// https://drafts.css-houdini.org/css-typed-om-1/#custom-property-name-string
static bool is_a_custom_property_name_string(StringView string)
inline bool is_a_custom_property_name_string(StringView string)
{
// A string is a custom property name string if it starts with two dashes (U+002D HYPHEN-MINUS), like --foo.
return string.starts_with("--"sv) && !is_invalid_custom_property_name_string(string);
}
// https://drafts.css-houdini.org/css-typed-om-1/#valid-css-property
inline bool is_a_valid_css_property(StringView string)
{
// A string is a valid CSS property if it is a custom property name string, or is a CSS property name recognized by
// the user agent.
return is_a_custom_property_name_string(string) || property_id_from_string(string).has_value();
}
}