G4tgrFileIn.hh

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// $Id: G4tgrFileIn.hh 68052 2013-03-13 14:38:53Z gcosmo $
//
//
// class G4tgrFileIn
//
// Class description:
//
// Singleton for importing file descriptions.

// History:
// - Created.                                 P.Arce, CIEMAT (November 2007)
// -------------------------------------------------------------------------

#ifndef G4tgrFileIn_HH
#define G4tgrFileIn_HH

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

class G4tgrFileIn 
{
  public:  // with description

    G4tgrFileIn();
   ~G4tgrFileIn();

    static G4tgrFileIn& GetInstance( const G4String& name ); 
      // Get the only instance opening the file

    static G4tgrFileIn& GetInstanceOpened( const G4String& name ); 
      // Get the only instance when file should be already opened
  
    G4int GetWordsInLine( std::vector<G4String>& wl );
      // Read a line and transform it to a vector of words 

    void ErrorInLine();
      // Print out an error message indicating the line being read

    // Access data members

    G4int Nline() { return theLineNo[theCurrentFile]; }
  
    const G4String& GetName() { return theName; }
  
    void OpenNewFile( const char* filename );
    G4bool EndOfFile();
    void Close();
    void DumpException( const G4String& sent );

  private:

    G4tgrFileIn( const G4String& name ) : theCurrentFile(-1), theName(name) {}

  private:

    std::vector< std::ifstream* > theFiles;

    std::vector<G4int> theLineNo;
      // Number of line being read

    std::vector<G4String> theNames;

    G4int theCurrentFile;
      // Index of file being read in theFiles
  
    static G4ThreadLocal std::vector<G4tgrFileIn*> *theInstances;
      // Vector of class instances (each one identified by its name)
  
    G4String theName;
      // Name of file
};

#endif