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#ifndef TAG_HH
#define TAG_HH
#include <memory>
#include <string>
#include <string_view>
class Renderable {
public:
virtual ~Renderable() = default;
virtual void render(std::string* out) const = 0;
protected:
Renderable() = default;
};
class Tag : public virtual Renderable {
public:
static std::unique_ptr<Tag> create(std::string name,
std::string content = std::string());
virtual std::string_view name() const = 0;
virtual bool empty() const = 0;
virtual bool has_attr(std::string const& name) const = 0;
virtual Tag* attr(std::string name, std::string value) = 0;
virtual Tag* add(std::string content) = 0;
// Does not clear attributes.
virtual Tag* clear_content() = 0;
// These return the new child tag, not this.
virtual Tag* add(std::unique_ptr<Tag> tag) = 0;
virtual Tag* add_tag(std::string name, std::string content = std::string());
protected:
Tag() = default;
Tag(Tag const&) = delete;
Tag& operator=(Tag const&) = delete;
};
#endif // TAG_HH
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