InfoCommand.hh

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#ifndef INFOCOMMAND_HH
#define INFOCOMMAND_HH
 
#include "Command.hh"
#include "InfoTopic.hh"
#include "hash_set.hh"
#include "xxhash.hh"
 
namespace openmsx {
 
class InfoCommand final : public Command
{
public:
        InfoCommand(CommandController& commandController, const std::string& name);
        ~InfoCommand();
 
        void   registerTopic(InfoTopic& topic);
        void unregisterTopic(InfoTopic& topic);
 
private:
        // Command
        void execute(std::span<const TclObject> tokens,
                     TclObject& result) override;
        [[nodiscard]] std::string help(std::span<const TclObject> tokens) const override;
        void tabCompletion(std::vector<std::string>& tokens) const override;
 
        struct NameFromInfoTopic {
                [[nodiscard]] const std::string& operator()(const InfoTopic* t) const {
                        return t->getName();
                }
        };
        hash_set<const InfoTopic*, NameFromInfoTopic, XXHasher> infoTopics;
};
 
} // namespace openmsx
 
#endif