group.hh

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#ifndef __BASE_STATS_GROUP_HH__
#define __BASE_STATS_GROUP_HH__

#include <map>
#include <vector>
#include <string>

#define ADD_STAT(n, ...) n(this, # n, __VA_ARGS__)

namespace Stats {

class Info;

class Group
{
  public:
    Group() = delete;
    Group(const Group &) = delete;
    Group &operator=(const Group &) = delete; //end of api_stats

    Group(Group *parent, const char *name = nullptr);

    virtual ~Group();

    virtual void regStats();

    virtual void resetStats();

    virtual void preDumpStats();

    void addStat(Stats::Info *info);

    const std::map<std::string, Group *> &getStatGroups() const;

    const std::vector<Info *> &getStats() const;

    void addStatGroup(const char *name, Group *block);

    const Info * resolveStat(std::string name) const;

  private:
    void mergeStatGroup(Group *block);

  private:
    Group *const mergedParent;

    std::map<std::string, Group *> statGroups;
    std::vector<Group *> mergedStatGroups;
    std::vector<Info *> stats;
};

} // namespace Stats

#endif // __BASE_STATS_GROUP_HH__