#pragma once
#include 
#include 
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&&);
    template
    void for_each_attribute(Callback callback) const
    {
        for (auto& attribute : m_attributes)
            callback(attribute.name(), attribute.value());
    }
    virtual RetainPtr create_layout_node() override;
private:
    Attribute* find_attribute(const String& name);
    const Attribute* find_attribute(const String& name) const;
    String m_tag_name;
    Vector m_attributes;
};