Version.hpp

#ifndef UTIL_VERSION_HPP
#define UTIL_VERSION_HPP
 
#include <util/Util.hpp>
 
#include <string>
 
namespace JEM {
  class Version {
    public:
      explicit operator std::string() const {
        return std::to_string(major) + "." + std::to_string(minor) + "." + std::to_string(patch);
      }
 
      Version() = default;
 
      Version(int maj, int min, int pat) : major(maj), minor(min), patch(pat) {}
 
      consteval explicit Version(const char *str) : major(0), minor(0), patch(0) {
 
        const char *token = str;
        if (*token == '\0') {
          return;
        }
 
        major = atoi(token);
 
        do {
          ++token;
          if (*token == '\0') {
            return;
          }
        } while (*(token - 1) != '.');
 
        minor = atoi(token);
 
        do {
          ++token;
          if (*token == '\0') {
            return;
          }
        } while (*(token - 1) != '.');
 
        patch = atoi(token);
      }
 
    private:
      int major;
      int minor;
      int patch;
  };
} // namespace JEM
 
#endif