9.6.p02/html/_g4_u_icommand_8hh_source.html

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// $Id$

//

//


#ifndef G4UIcommand_h

#define G4UIcommand_h 1


#include "G4UIparameter.hh"

class G4UImessenger;

#include "globals.hh"

#include "G4ApplicationState.hh"

#include <vector>

#include "G4UItokenNum.hh"

#include "G4ThreeVector.hh"


// class description:

//

//  This G4UIcommand is the "concrete" base class which represents a command

// used by Geant4 (G)UI. The user can use this class in case the parameter

// arguments of a command are not suitable with respect to the derived command

// classes.

//  Some methods defined in this base class are used by the derived classes.

//


class G4UIcommand

{

  public:

      G4UIcommand();

  public: // with description

      G4UIcommand(const char * theCommandPath, G4UImessenger * theMessenger);

      //  Constructor. The command string with full path directory

      // and the pointer to the messenger must be given.

  public:

      virtual ~G4UIcommand();


      G4int operator==(const G4UIcommand &right) const;

      G4int operator!=(const G4UIcommand &right) const;


      virtual G4int DoIt(G4String parameterList);

      G4String GetCurrentValue();

  public: // with description

      void AvailableForStates(G4ApplicationState s1);

      void AvailableForStates(G4ApplicationState s1,G4ApplicationState s2);

      void AvailableForStates(G4ApplicationState s1,G4ApplicationState s2,

                              G4ApplicationState s3);

      void AvailableForStates(G4ApplicationState s1,G4ApplicationState s2,

                              G4ApplicationState s3,G4ApplicationState s4);

      void AvailableForStates(G4ApplicationState s1,G4ApplicationState s2,

                              G4ApplicationState s3,G4ApplicationState s4,

                              G4ApplicationState s5);

      //  These methods define the states where the command is available.

      // Once one of these commands is invoked, the command application will

      // be denied when Geant4 is NOT in the assigned states.

  public:

      G4bool IsAvailable();

      virtual void List();


  public: // with description

      static G4String ConvertToString(G4bool boolVal);

      static G4String ConvertToString(G4int intValue);

      static G4String ConvertToString(G4double doubleValue);

      static G4String ConvertToString(G4double doubleValue,const char* unitName);

      static G4String ConvertToString(G4ThreeVector vec);

      static G4String ConvertToString(G4ThreeVector vec,const char* unitName);

      // Static methods for conversion from value(s) to a string. These methods are to be

      // used by GetCurrentValues() methods of concrete messengers.


      static G4bool ConvertToBool(const char* st);

      static G4int ConvertToInt(const char* st);

      static G4double ConvertToDouble(const char* st);

      static G4double ConvertToDimensionedDouble(const char* st);

      static G4ThreeVector ConvertTo3Vector(const char* st);

      static G4ThreeVector ConvertToDimensioned3Vector(const char* st);

      // Static methods for conversion from a string to a value of the returning type.

      // These methods are to be used directly by SetNewValues() methods of concrete

      // messengers, or GetNewXXXValue() of classes derived from this G4UIcommand class.


      static G4double ValueOf(const char* unitName);

      static G4String CategoryOf(const char* unitName);

      static G4String UnitsList(const char* unitCategory);

      // Static methods for unit and its category.


  private:

      void G4UIcommandCommonConstructorCode (const char * theCommandPath);

      G4UImessenger *messenger;

      G4String commandPath;

      G4String commandName;

      G4String rangeString;

      std::vector<G4UIparameter*> parameter;

      std::vector<G4String> commandGuidance;

      std::vector<G4ApplicationState> availabelStateList;


  public: // with description

      inline void SetRange(const char* rs)

      { rangeString = rs; }

      //  Defines the range the command parameter(s) can take.

      //  The variable name(s) appear in the range expression must be same

      // as the name(s) of the parameter(s).

      //  All the C++ syntax of relational operators are allowed for the

      // range expression.

  public:

      inline const G4String & GetRange() const

      { return rangeString; };

      inline G4int GetGuidanceEntries() const

      { return commandGuidance.size(); }

      inline const G4String & GetGuidanceLine(G4int i) const

      { return commandGuidance[i]; }

      inline const G4String & GetCommandPath() const

      { return commandPath; }

      inline const G4String & GetCommandName() const

      { return commandName; }

      inline G4int GetParameterEntries() const

      { return parameter.size(); }

      inline G4UIparameter * GetParameter(G4int i) const

      { return parameter[i]; }

      inline std::vector<G4ApplicationState>* GetStateList()

      { return &availabelStateList; }

      inline G4UImessenger * GetMessenger() const

      { return messenger; }

  public: // with description

      inline void SetParameter(G4UIparameter *const newParameter)

      {

  parameter.push_back( newParameter );

  newVal.resize( parameter.size() );

      }

      //  Defines a parameter. This method is used by the derived command classes

      // but the user can directly use this command when he/she defines a command

      // by hem(her)self without using the derived class. For this case, the order

      // of the parameters is the order of invoking this method.

      inline void SetGuidance(const char * aGuidance)

      {

        commandGuidance.push_back( G4String( aGuidance ) );

      }

      //  Adds a guidance line. Unlimitted number of invokation of this method is

      // allowed. The given lines of guidance will appear for the help. The first

      // line of the guidance will be used as the title of the command, i.e. one

      // line list of the commands.

  public:

      inline const G4String GetTitle() const

      {

      if(commandGuidance.size() == 0)

      { return G4String("...Title not available..."); }

      else

      { return commandGuidance[0]; }

      }


  protected:

    G4int CheckNewValue(const char* newValue);


    // --- the following is used by CheckNewValue() --------

  private:

    G4int TypeCheck(const char* t);

    G4int RangeCheck(const char* t);

    G4int IsInt(const char* str, short maxLength);

    G4int IsDouble(const char* str);

    G4int ExpectExponent(const char* str);

    //  syntax nodes

    yystype Expression( void );

    yystype LogicalORExpression( void );

    yystype LogicalANDExpression( void );

    yystype EqualityExpression ( void );

    yystype RelationalExpression( void );

    yystype AdditiveExpression( void );

    yystype MultiplicativeExpression( void );

    yystype UnaryExpression( void );

    yystype PrimaryExpression( void );

    //  semantics routines

    G4int Eval2( yystype arg1, G4int op, yystype arg2 );

    G4int CompareInt( G4int arg1, G4int op, G4int arg2);

    G4int CompareDouble( G4double arg1, G4int op, G4double arg2);

    //  utility

    tokenNum Yylex( void );      // returns next token

    unsigned IndexOf( const char* ); // returns the index of the var name

    unsigned IsParameter( const char* ); // returns 1 or 0

    G4int G4UIpGetc( void );      // read one char from rangeBuf

    G4int G4UIpUngetc( G4int c );   // put back

    G4int Backslash( G4int c );

    G4int Follow( G4int expect, G4int ifyes, G4int ifno );

    G4String TokenToStr(G4int token);

    void PrintToken(void);      // for debug

    //  data

    G4String rangeBuf;

    G4int bp;                      // buffer pointer for rangeBuf

    tokenNum token;

    yystype yylval;

    std::vector<yystype>  newVal;

    G4int paramERR;

};


#endif