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serenity/LibHTML/DOM/Element.h
Andreas Kling e971f5604c LibHTML: Implement some very simple selector matching.
We walk the entire DOM and check all selectors against all elements. Only
id, class and tag name are checked right now. There's no ancestor stack
or compound selectors. All in good time :^)
2019-06-27 20:40:21 +02:00

54 lines
1.2 KiB
C++

#pragma once
#include <LibHTML/DOM/ParentNode.h>
#include <AK/AKString.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:
explicit Element(const String& tag_name);
virtual ~Element() override;
const String& tag_name() const { 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 RefPtr<LayoutNode> create_layout_node() override;
private:
Attribute* find_attribute(const String& name);
const Attribute* find_attribute(const String& name) const;
String m_tag_name;
Vector<Attribute> m_attributes;
};