task-register.hh

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#ifndef TASK_TASK_REGISTER_HH
# define TASK_TASK_REGISTER_HH

# include <iosfwd>
# include <string>
# include <list>
# include <map>

# include <task/fwd.hh>
# include <misc/timer.hh>

namespace task
{

  class TaskRegister
  {
    // Make it non-copyable.
    TaskRegister(const TaskRegister&) = delete;
    TaskRegister & operator=(const TaskRegister&) = delete;

  private:
    TaskRegister() = default;
  public:
    static TaskRegister& instance();

  public:
    void register_task(const Task& task);
    void enable_task(const std::string& task_name, const char* arg = nullptr);

    int nb_of_task_to_execute_get();

  private:
    void resolve_dependencies(const Task& task);

  public:
    char* parse_arg(int argc, char* argv[]);


  public:
    std::ostream& print_task_list(std::ostream& ostr);
    std::ostream& print_task_graph(std::ostream& ostr);
    std::ostream& print_task_order(std::ostream& ostr);


  public:
    void execute();
  public:
    const misc::timer& timer_get() const;
  public:
    typedef std::list<Task const*> tasks_list_type;
    typedef std::map<int, Task const*> tasks_by_key_type;
    const tasks_by_key_type& task_keys_get() const;

  private:
    typedef std::map<const std::string, Task const*> tasks_by_name_type;
    tasks_by_name_type task_list_;

    tasks_by_key_type task_keys_;

    tasks_list_type task_order_;

    misc::timer timer_;
  };

} // namespace task

# include <task/task-register.hxx>

#endif // !TASK_TASK_REGISTER_HH