source/libr2c2/block.h

   1 #ifndef LIBR2C2_BLOCK_H_
   2 #define LIBR2C2_BLOCK_H_
   3
   4 #include <list>
   5 #include <set>
   6 #include "track.h"
   7 #include "trackchain.h"
   8
   9 namespace R2C2 {
  10
  11 class Layout;
  12 class Route;
  13 class TrackCircuit;
  14 class TrackIter;
  15 class Train;
  16
  17 class Block: public TrackChain
  18 {
  19 public:
  20         struct Endpoint
  21         {
  22                 Track *track;
  23                 unsigned track_ep;
  24                 Block *link;
  25
  26                 Endpoint(Track *, unsigned);
  27
  28                 TrackIter track_iter() const;
  29         };
  30
  31         sigc::signal<void, Train *> signal_reserved;
  32
  33 private:
  34         unsigned id;
  35         unsigned sensor_addr;
  36         unsigned turnout_addr;
  37         bool conflict;
  38         TrackCircuit *sensor;
  39         std::vector<Endpoint> endpoints;
  40         Train *train;
  41         Train *pending_train;
  42         bool emitting_reserve;
  43
  44 public:
  45         Block(Layout &, Track &);
  46         ~Block();
  47
  48         virtual void set_name(const std::string &);
  49
  50 private:
  51         virtual void on_track_added(Track &);
  52         virtual Validity check_validity(Track &) const;
  53
  54 public:
  55         unsigned get_id() const { return id; }
  56         unsigned get_sensor_address() const { return sensor_addr; }
  57         unsigned get_turnout_address() const { return turnout_addr; }
  58         TrackCircuit *get_sensor() const { return sensor; }
  59         const std::vector<Endpoint> &get_endpoints() const { return endpoints; }
  60         const Endpoint &get_endpoint(unsigned) const;
  61         int get_endpoint_by_link(Block &) const;
  62         float get_path_length(unsigned, const Route * = 0) const;
  63         void check_link(Block &);
  64         void break_link(Block &);
  65         Block *get_link(unsigned) const;
  66         bool reserve(Train *);
  67         Train *get_train() const { return train; }
  68 private:
  69         void determine_id();
  70
  71 public:
  72         virtual Msp::DataFile::Statement save_reference() const;
  73 };
  74
  75 } // namespace R2C2
  76
  77 #endif