clustering/include/CommandLineParser.hh

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//
// This example is provided by the Geant4-DNA collaboration
// Any report or published results obtained using the Geant4-DNA software
// shall cite the following Geant4-DNA collaboration publication:
// Med. Phys. 37 (2010) 4692-4708
// The Geant4-DNA web site is available at http://geant4-dna.org
//
// Author: Mathieu Karamitros
//
// $Id$
//

#ifndef COMMANDLINEPARSER_HH
#define COMMANDLINEPARSER_HH

#include "globals.hh"
#include <map>

namespace G4DNAPARSER
{
class Command
{
public:
  enum Type
  {
    WithOption,
    WithoutOption,
    OptionNotCompulsory
  };

  virtual const G4String& GetOption() { return fNoOption;}
  Command::Type GetType() {return fType;}
  G4bool IsActive() {return fActive;}
  const G4String& GetDescription() {return fDescription;}
  virtual const G4String& GetOptionName() { return fNoOption;}
  virtual const G4String& GetDefaultOption() { return fNoOption;}

  virtual void SetOption(const G4String&){;}
  virtual void SetOptionName(const G4String&){;}
  virtual void SetDefaultOption(const G4String&){;}

protected:
  friend class CommandLineParser;
  Type fType;
  G4bool fActive;
  G4String fDescription;
  static G4String fNoOption;

  Command(Type, 
      const G4String &description = "");
  virtual ~Command(){;}
};

class CommandWithOption : public Command
{
public:
  virtual const G4String& GetOption() {return fOption;}
  virtual const G4String& GetOptionName() {return fOptionName;}
  virtual const G4String& GetDefaultOption() { return fDefaultOption;}

  virtual void SetOption(const G4String& in_op){ fOption = in_op;}
  virtual void SetOptionName(const G4String& in_op){ fOptionName = in_op;}
  virtual void SetDefaultOption(const G4String& in_op){ fDefaultOption = in_op;}

private:
  friend class CommandLineParser;
  CommandWithOption(Type,
      const G4String &description = "",
      const G4String &defaultOption = "",
      const G4String &optionName ="optionName");

  virtual ~CommandWithOption(){;}

  G4String fOption;
  G4String fDefaultOption;
  G4String fOptionName;
};

class CommandLineParser
{

public:
  static CommandLineParser* GetParser();
  CommandLineParser();
  ~CommandLineParser();
  static void DeleteInstance();
  int Parse(int& argc, char **argv);
  void PrintHelp();
  bool CheckIfNotHandledOptionsExists(int& argc, char** argv);
  void CorrectRemainingOptions(int& argc, char **argv);
  void AddCommand(const G4String & marker,Command::Type,
      const G4String& description = "",
      const G4String& defaultOption = "",
      const G4String& optionName = "");
  Command* FindCommand(const G4String &marker);
  Command* GetCommandIfActive(const G4String &marker);
  G4bool WereOptionsSetup(){return fOptionsWereSetup;}

private:
  static CommandLineParser* fpInstance;
  std::map<G4String, Command*> fCommandMap;
  G4bool fOptionsWereSetup;
  G4int fMaxMarkerLength;
  G4int fMaxOptionNameLength;
  G4int fVerbose;

};
}
#endif // PARSER_HH