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#ifndef NEWSBOAT_TAGSOUPPULLPARSER_H_
#define NEWSBOAT_TAGSOUPPULLPARSER_H_
#include <string>
#include <utility>
#include <vector>
#include "3rd-party/optional.hpp"
namespace newsboat {
class TagSoupPullParser {
public:
enum class Event {
START_DOCUMENT,
END_DOCUMENT,
START_TAG,
END_TAG,
TEXT
};
explicit TagSoupPullParser(std::istream& is);
virtual ~TagSoupPullParser();
nonstd::optional<std::string> get_attribute_value(const std::string& name) const;
Event get_event_type() const;
std::string get_text() const;
Event next();
private:
std::istream& inputstream;
typedef std::pair<std::string, std::string> Attribute;
std::vector<Attribute> attributes;
std::string text;
Event current_event;
void add_attribute(std::string s);
nonstd::optional<std::string> read_tag();
Event determine_tag_type();
std::string decode_attribute(const std::string& s);
std::string decode_entities(const std::string& s);
std::string decode_entity(std::string s);
void parse_tag(const std::string& tagstr);
void handle_tag();
void handle_text(char c);
};
} // namespace newsboat
#endif /* NEWSBOAT_TAGSOUPPULLPARSER_H_ */
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