Input.h

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#ifndef INPUT_H_
#define INPUT_H_

#include <string>
#include <cassert>

#include "BaseOneInputGate.h"
#include "LogicFunctions.h"
#include "OneInputGate.h"

// may as well be inherited from OneInputGate
class Input: public OneInputGate {

public: 
  Input(size_t id, const std::string& outputName, const std::string& inputName)
    : OneInputGate (id, BUF(), outputName, inputName, 0l)
  {}


  Input (const Input & that) 
    : OneInputGate (that) {}


  virtual Input* clone () const {
    return new Input (*this);
  }

  virtual const std::string getGateName() const {
    return "Input";
  }
  
protected:

  virtual LogicVal evalOutput() const {
    return this->BaseOneInputGate::inputVal;
  }

  virtual void execEvent(Graph& graph, GNode& myNode, const EventTy& event) {

    if (event.getType () == EventTy::NULL_EVENT) {
      // send out null messages

      OneInputGate::execEvent(graph, myNode, event); // same functionality as OneInputGate

    } else {

     const LogicUpdate& lu = (LogicUpdate) event.getAction ();
      if (this->BaseOneInputGate::outputName == lu.getNetName()) {
        this->BaseOneInputGate::inputVal = lu.getNetVal();

        this->BaseOneInputGate::outputVal = this->BaseOneInputGate::inputVal;

        LogicUpdate drvFanout(this->BaseOneInputGate::outputName, this->BaseOneInputGate::outputVal);

        sendEventsToFanout(graph, myNode, event, EventTy::REGULAR_EVENT, drvFanout);
      } else {
        LogicGate::netNameMismatch(lu);
      }

    }

  }

};
#endif /* INPUT_H_ */

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