1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55
|
#ifndef NEWSBOAT_CONFIGPARSER_H_
#define NEWSBOAT_CONFIGPARSER_H_
#include <functional>
#include <map>
#include "configactionhandler.h"
namespace newsboat {
enum class ActionHandlerStatus {
INVALID_PARAMS,
TOO_FEW_PARAMS,
TOO_MANY_PARAMS,
INVALID_COMMAND,
FILENOTFOUND
};
class ConfigParser : public ConfigActionHandler {
public:
ConfigParser();
~ConfigParser() override;
void register_handler(const std::string& cmd,
ConfigActionHandler& handler);
void handle_action(const std::string& action,
const std::vector<std::string>& params) override;
void dump_config(std::vector<std::string>&) const override
{
/* nothing because ConfigParser itself only handles include */
}
/// Processes configuration commands from a file at \a filename.
///
/// Returns:
/// - `false` if the file couldn't be opened;
/// - `true` if the whole file was processed completely.
///
/// If the file contains any errors, throws `ConfigException` with
/// a message explaining the problem.
bool parse_file(const std::string& filename);
void parse_line(const std::string& line, const std::string& location);
static std::string evaluate_backticks(std::string token);
private:
static std::string evaluate_cmd(const std::string& cmd);
std::vector<std::vector<std::string>> parsed_content;
std::map<std::string, std::reference_wrapper<ConfigActionHandler>>
action_handlers;
std::vector<std::string> included_files;
};
} // namespace newsboat
#endif /* NEWSBOAT_CONFIGPARSER_H_ */
|