messages.h~

ALGAE是一个快速创建算法演示的框架。目前支持的算法实现语言包括java和c

#ifndef MESSAGES_H
#define MESSAGES_H

#include <algae/config.h>
#include <string>
#include <iostream>

#include <algae/algae.h>

#define String STD string

//
// Messages provides the interface for messages sent
// from the server (algorithm) between the AlgAE client
// (the graphic display).
// 
class Messages 
{
private:
  Messages(): in(CIN), out(COUT) {}
  Messages (const Messages& ): in(CIN), out(COUT) {}
  void operator= (const Messages&) {}

public:
  Messages (STD istream& inputs, STD ostream& outputs);

  // Inputs from the client
  //   [These may block until the client actually sends a signal. They may
  //    also terminate the program if the client shuts down unexpectedly.]
  bool canContinue();
  bool clientIsPausing() const;
  String getMenuSelection();
  String promptForInput (const String& prompt);
  String stdInput();
  

  // Outputs to the client
  void beginEdgeList();
  void endEdgeList();

  void beginComponentList();
  void endComponentList();

  void touch (int sourceID, int destID,
	      AlgAE::Directions dir, AlgAE::Color color,
	      const String& edgeLabel);

  void node (int objectID, AlgAE::Color color,
	     const String& label, bool vertical);
  void node (int objectID, const String& label);

  void hide (int objectID);
  
  void beginAlgorithm();
  void endAlgorithm();

  void beginFrame();
  void endFrame(const String& frameIdentifier);

  void menuItem (const String& itemName);

  void status (const String& statusMsg);
  void algorithmName (const String& algName, const String& aboutString);
  void quit();

  void message (const String& msg);
  void stdOutput (const String& msg);

private:
  STD istream& in;
  STD ostream& out;

  bool touchingEdges;
  bool continuingPermitted;
  bool pausing;
  
  bool getLine(String& line);
  String encode (const String&);
  String decode (const String&);
  
};

#undef String

#endif