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LibWeb: Add Element::for_each_attribute(Function<void(Attr const&)>)

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This is useful when you are wanting to interate over attributes and need
more information than just the name and value.
This commit is contained in:
Shannon Booth 2023-11-10 10:04:18 +13:00 • committed by Andreas Kling
parent a8fd4fab00
commit 45b63b463a
2 changed files with 11 additions and 4 deletions
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13
Userland/Libraries/LibWeb/DOM/Element.cpp
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@ -1885,12 +1885,17 @@ void Element::set_prefix(Optional<FlyString> value)
m_qualified_name.set_prefix(move(value)); m_qualified_name.set_prefix(move(value));
} }
void Element::for_each_attribute(Function<void(Attr const&)> callback) const
{
for (size_t i = 0; i < m_attributes->length(); ++i)
callback(*m_attributes->item(i));
}
void Element::for_each_attribute(Function<void(FlyString const&, DeprecatedString const&)> callback) const void Element::for_each_attribute(Function<void(FlyString const&, DeprecatedString const&)> callback) const
{ {
for (size_t i = 0; i < m_attributes->length(); ++i) { for_each_attribute([&callback](Attr const& attr) {
auto const* attribute = m_attributes->item(i); callback(attr.name(), attr.value().to_deprecated_string());
callback(attribute->name(), attribute->value().to_deprecated_string()); });
}
} }
Layout::NodeWithStyle* Element::layout_node() Layout::NodeWithStyle* Element::layout_node()

2
Userland/Libraries/LibWeb/DOM/Element.h
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@ -137,6 +137,8 @@ public:
int client_width() const; int client_width() const;
int client_height() const; int client_height() const;
void for_each_attribute(Function<void(Attr const&)>) const;
void for_each_attribute(Function<void(FlyString const&, DeprecatedString const&)>) const; void for_each_attribute(Function<void(FlyString const&, DeprecatedString const&)>) const;
bool has_class(FlyString const&, CaseSensitivity = CaseSensitivity::CaseSensitive) const; bool has_class(FlyString const&, CaseSensitivity = CaseSensitivity::CaseSensitive) const;