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 Train;
  21
  22 class Timetable: public sigc::trackable
  23 {
  24 public:
  25         class Loader: public Msp::DataFile::ObjectLoader<Timetable>
  26         {
  27         public:
  28                 Loader(Timetable &);
  29         private:
  30                 void arrive();
  31                 void go_to(const std::string &);
  32                 void route(const std::string &);
  33                 void reverse();
  34                 void speed(unsigned);
  35                 void travel(const std::string &);
  36                 void wait(unsigned);
  37                 void wait_train(unsigned, const std::string &);
  38         };
  39
  40         enum RowType
  41         {
  42                 GOTO,
  43                 TRAVEL,
  44                 WAIT_TIME,
  45                 WAIT_TRAIN,
  46                 ARRIVE,
  47                 SPEED,
  48                 REVERSE,
  49                 ROUTE
  50         };
  51
  52         struct Row
  53         {
  54                 RowType type;
  55                 std::vector<Msp::Variant> params;
  56
  57                 Row(RowType);
  58
  59                 template<typename T>
  60                 Row(RowType, const T &);
  61
  62                 template<typename T>
  63                 const T &get_param(unsigned) const;
  64
  65                 std::string str() const;
  66
  67                 Msp::DataFile::Statement save() const;
  68
  69                 static Row parse(const std::string &);
  70         };
  71
  72 private:
  73         Train &train;
  74         bool enabled;
  75         std::vector<Row> rows;
  76         unsigned current_row;
  77         bool executing;
  78         Block *pending_block;
  79         Train *pending_train;
  80         Msp::Time::TimeStamp wait_timeout;
  81
  82 public:
  83         Timetable(Train &);
  84
  85         void set_enabled(bool);
  86         bool is_enabled() const { return enabled; }
  87         void reset();
  88
  89         void clear();
  90         void append(const Row &);
  91         void insert(unsigned, const Row &);
  92         unsigned get_n_rows() const { return rows.size(); }
  93         const Row &get_row(unsigned) const;
  94
  95         void tick(const Msp::Time::TimeStamp &);
  96         void save(std::list<Msp::DataFile::Statement> &) const;
  97 private:
  98         Block &parse_location(const std::string &);
  99         void sensor_event(unsigned, bool);
 100         void train_arrived();
 101 };
 102
 103 } // namespace R2C2
 104
 105 #endif