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#ifndef NEWSBOAT_MATCHER_H_
#define NEWSBOAT_MATCHER_H_
#include "FilterParser.h"
namespace newsboat {
class Matchable;
class Matcher {
public:
Matcher();
explicit Matcher(const std::string& expr);
bool parse(const std::string& expr);
bool matches(Matchable* item);
std::string get_parse_error();
std::string get_expression();
/// Convert numerical prefix of the string to an `int`.
///
/// Return 0 if there is no numeric prefix. On underflow, return `int`'s
/// minimum. On overflow, return `int`'s maximum.
// This is made public so it can be tested. DON'T USE OUTSIDE OF MATCHER.
static int string_to_num(const std::string& number);
private:
bool matches_r(expression* e, Matchable* item);
bool matchop_lt(expression* e, Matchable* item);
bool matchop_gt(expression* e, Matchable* item);
bool matchop_rxeq(expression* e, Matchable* item);
bool matchop_cont(expression* e, Matchable* item);
bool matchop_eq(expression* e, Matchable* item);
bool matchop_between(expression* e, Matchable* item);
FilterParser p;
std::string errmsg;
std::string exp;
};
} // namespace newsboat
#endif /* NEWSBOAT_MATCHER_H_ */
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