Action.hpp

#ifndef ACTION__H
#define ACTION__H

#include <functional>
#include <string>
#include <vector>
#include "Config.hpp"

class Action
{
  public :

  enum Type
  {
    Push,
    Pop,
    Write,
    MoveWord,
    MoveChar,
    AddLines,
    Check
  };

  enum Object
  {
    Buffer,
    Stack
  };

  private :

  Type type;
  std::vector<std::string> data;

  public :

  std::function<void(Config & config, Action & action)> apply;
  std::function<void(Config & config, Action & action)> undo;
  std::function<bool(const Config & config, const Action & action)> appliable;

  private :

  Action(Type type, std::function<void(Config & config, Action & action)> apply, std::function<void(Config & config, Action & action)> undo, std::function<bool(const Config & config, const Action & action)> appliable);

  public :

  static Object str2object(const std::string & s);
  static Action addLinesIfNeeded(int nbLines);
  static Action moveWordIndex(int movement);
  static Action moveCharacterIndex(int movement);
  static Action addHypothesis(const std::string & colName, std::size_t lineIndex, const std::string & hypothesis);
  static Action addHypothesisRelative(const std::string & colName, Object object, int relativeIndex, const std::string & hypothesis);
};

#endif