// -*- mode: c++ -*- 
//
// $Id: BrAppOptionManager.h,v 1.3 2001/12/14 15:28:24 cholm Exp $
//
#ifndef BRAT_BrAppOptionManager 
#define BRAT_BrAppOptionManager

#ifndef ROOT_TString
#include "TString.h"
#endif
#ifndef ROOT_TObjArray
#include "TObjArray.h"
#endif
#ifndef ROOT_THashList
#include "THashList.h"
#endif
#ifndef BRAT_BrAppOption
#include "BrAppOption.h"
#endif

class BrAppOptionManager : public TObject 
{
private:
  // TObjArray*       fTable;
  THashList*       fTable;
  Int_t            fMajorVersion;       
  Int_t            fMinorVersion;       
  TString          fProgName;
  TString          fHelpString;
  TString          fVersionString;
  BrAppBoolOption* fHelpOption;
  BrAppBoolOption* fVersionOption;

  void             AddHelpVersion();
  void             SetOptionValue(Char_t  option, Char_t* value);
  void             SetOptionValue(Char_t* option, Char_t* value);
  Bool_t           ProcessLongOption(Char_t* argument);
  Bool_t           ProcessShortOption(Char_t option, Bool_t& killNext,
				      Char_t* value=0);

  Char_t**         fArgv; 
  Int_t*           fArgc;

  Bool_t           fIsOk; 
  Bool_t           fHasParsed; 
 
  static BrAppOptionManager* fgInstance; 
public:
  BrAppOptionManager();
  static BrAppOptionManager* Instance(); 

  void             AddOption(BrAppOption* option, Bool_t internal=kFALSE);
  BrAppOption*     GetOption(Char_t  option);
  BrAppOption*     GetOption(Char_t* option);
  Bool_t           IsOk() const { return fIsOk; }
  Bool_t           HasParsed() const { return fHasParsed; }
  Bool_t           ProcessCommandLine();
  void             SetCommandLine(Int_t& argc, Char_t** argv); 
  void             SetHelp(const Char_t* str=0); 
  void             SetVersion(Int_t major=0, Int_t minor=1, const Char_t* str=0); 
  Bool_t           ShowHelp(void);
  Bool_t           ShowVersion(void);
  void             Print(Option_t* option="") const;
  
  ClassDef(BrAppOptionManager,0) // Option mananger class 
}
;

#endif
// 
// $Log: BrAppOptionManager.h,v $
// Revision 1.3  2001/12/14 15:28:24  cholm
// BrAppOption sublcasses now adds them selves to BrAppOptionManager
// automatically.   Also, the int, float, and string option class can now
// hold multiple values.  It's all fairly well documented in 'The Guide'.
//
// Revision 1.2  2001/08/21 14:24:57  cholm
// Added member fHasParsed, so that we can check if we've parsed the
// commandline.  Not really needed now, but I left it in anyway. No real
// harm in that.
//
// Revision 1.1.1.1  2001/06/21 14:55:15  hagel
// Initial revision of brat2
//
// Revision 1.2  2001/03/07 12:15:20  cholm
// * Defined standard BrModule methods in BrIOModule.
// * Add the (simple) class BrHistIOModule.
// * BrAppOptionManager and BrAppOption classes changed to not use
//   BrExceptions.
// * Added the method Int_t BrMainModule::Main() to do EVERYTHING.
// * Made the method BrModule::Info() const obsolete in favour of
//   BrModule::Print(Option_t* option="B") const. Impact on other classes.
//
// Revision 1.1  2000/04/06 20:17:05  cholm
// Added the classes BrAppOption, BrAppOptionManager, and
// BrDetectorList. The first two are for command line processing,
// the third for easy detector list, can be used for many purposes
//