source/libr2c2/timetable.h

   1 /* $Id$
   2
   3 This file is part of R²C²
   4 Copyright © 2010  Mikkosoft Productions, Mikko Rasa
   5 Distributed under the GPL
   6 */
   7
   8 #ifndef LIBR2C2_TIMETABLE_H_
   9 #define LIBR2C2_TIMETABLE_H_
  10
  11 #include <string>
  12 #include <vector>
  13 #include <sigc++/trackable.h>
  14 #include <msp/datafile/objectloader.h>
  15 #include <msp/time/timestamp.h>
  16
  17 namespace R2C2 {
  18
  19 class Block;
  20 class Track;
  21 class Train;
  22 class Zone;
  23
  24 class Timetable: public sigc::trackable
  25 {
  26 public:
  27         class Loader: public Msp::DataFile::ObjectLoader<Timetable>
  28         {
  29         public:
  30                 Loader(Timetable &);
  31         private:
  32                 void arrive();
  33                 void goto_sensor(unsigned);
  34                 void goto_sensor(const std::string &);
  35                 void goto_zone(const std::string &);
  36                 void route(const std::string &);
  37                 void reverse();
  38                 void speed(unsigned);
  39                 void travel(unsigned);
  40                 void wait(unsigned);
  41                 void wait_train(unsigned, unsigned);
  42                 void wait_until(unsigned, unsigned);
  43         };
  44
  45         enum RowType
  46         {
  47                 GOTO_SENSOR,
  48                 GOTO_ZONE,
  49                 TRAVEL,
  50                 WAIT_TIME,
  51                 WAIT_UNTIL,
  52                 WAIT_TRAIN,
  53                 ARRIVE,
  54                 SPEED,
  55                 REVERSE,
  56                 ROUTE
  57         };
  58
  59         struct Row
  60         {
  61                 RowType type;
  62                 std::vector<Msp::Variant> params;
  63
  64                 Row(RowType);
  65
  66                 template<typename T>
  67                 Row(RowType, const T &);
  68
  69                 template<typename T>
  70                 const T &get_param(unsigned) const;
  71
  72                 std::string str() const;
  73
  74                 Msp::DataFile::Statement save() const;
  75
  76                 static Row parse(const std::string &);
  77         };
  78
  79 private:
  80         Train &train;
  81         bool enabled;
  82         std::vector<Row> rows;
  83         unsigned current_row;
  84         bool executing;
  85         Block *pending_block;
  86         Train *pending_train;
  87         Msp::Time::TimeStamp wait_timeout;
  88         bool arrived;
  89
  90 public:
  91         Timetable(Train &);
  92
  93         void set_enabled(bool);
  94         bool is_enabled() const { return enabled; }
  95         void reset();
  96
  97         void clear();
  98         void append(const Row &);
  99         void insert(unsigned, const Row &);
 100         unsigned get_n_rows() const { return rows.size(); }
 101         const Row &get_row(unsigned) const;
 102
 103         void tick(const Msp::Time::TimeStamp &);
 104         void save(std::list<Msp::DataFile::Statement> &) const;
 105 private:
 106         Track &get_sensor(unsigned);
 107         Zone &get_zone(const std::string &);
 108         void sensor_event(unsigned, bool);
 109         void train_arrived();
 110 };
 111
 112 } // namespace R2C2
 113
 114 #endif