lgrConsole.h

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/******************************************************************************
** Copyright (c) 1992-2010 VT MAK
** All rights reserved.
******************************************************************************/


#ifndef lgrConsole_H_
#define lgrConsole_H_

#include "lgrCore.h"
#include <vlutil/vlRunnable.h>
#include <vlutil/vlString.h>
#include <vlutil/vlSmartPointers.h>

#include <list>

namespace MAKLogger
{

   class DtLgrFullInterface;
   class DtLogger;

   class DT_DLL_LGRCORE DtLgrConsole : public DtRunnable
   {
   public:

      static void allocateConsole();
      static void deallocateConsole();

      DtLgrConsole(DtLogger&);
      virtual ~DtLgrConsole();

      virtual void stop();
      virtual void run();

      virtual void setInputHistorySize(int size);
      virtual int inputHistorySize() const;

      static void shutdown();

   protected:

      virtual void printMessage(const DtString& message);

      virtual void printFileDoesNotExistMessage(const DtString& filename);

      virtual void printFileInvalidMessage(const DtString& filename);

      virtual void printInput(const DtString& input);

      virtual void clearInput();

      static DtString dequote(const DtString& input);


      bool nonBlockingGetLine(DtString& input,bool& changed);

      virtual void processInput(const DtString& input);

      virtual void addInputToHistory(const DtString& input);

      virtual DtString getPreviousInput();

      virtual DtString getNextInput();

      void sendShutdown();

      volatile bool myRunningFlag;
      DtString myCurrentInput;
      int myMaxInputHistorySize;

      typedef std::list<DtString> StringList;

      StringList myInputHistory;
      StringList::iterator myCurrentHistoryInput;
      DtLgrFullInterface* myInterface;

      static volatile bool myHasConsole;

      static volatile DtLgrConsole* theConsole;
   };

   typedef DtBoost::shared_ptr<DtLgrConsole> DtLgrConsoleSP;

}

#endif