ladybird/Libraries/LibHTML/DOM/Element.h
Andreas Kling f52f2736e1 LibHTML: Add is<ElementType> and to<ElementType> helper functions
These will help us write node-type-aware template functions.
2019-10-06 20:38:26 +02:00

62 lines
1.5 KiB
C++

#pragma once
#include <AK/String.h>
#include <LibHTML/DOM/ParentNode.h>
class Attribute {
public:
Attribute(const String& name, const String& value)
: m_name(name)
, m_value(value)
{
}
const String& name() const { return m_name; }
const String& value() const { return m_value; }
void set_value(const String& value) { m_value = value; }
private:
String m_name;
String m_value;
};
class Element : public ParentNode {
public:
Element(Document&, const String& tag_name);
virtual ~Element() override;
virtual String tag_name() const final { return m_tag_name; }
String attribute(const String& name) const;
void set_attribute(const String& name, const String& value);
void set_attributes(Vector<Attribute>&&);
template<typename Callback>
void for_each_attribute(Callback callback) const
{
for (auto& attribute : m_attributes)
callback(attribute.name(), attribute.value());
}
bool has_class(const StringView&) const;
virtual void apply_presentational_hints(StyleProperties&) const {}
virtual void parse_attribute(const String& name, const String& value);
private:
RefPtr<LayoutNode> create_layout_node(const StyleResolver&, const StyleProperties* parent_properties) const override;
Attribute* find_attribute(const String& name);
const Attribute* find_attribute(const String& name) const;
String m_tag_name;
Vector<Attribute> m_attributes;
};
template<>
inline bool is<Element>(const Node& node)
{
return node.is_element();
}