include/Geant4/G4tgrFileIn.hh

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
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0024 // ********************************************************************
0025 //
0026 // G4tgrFileIn
0027 //
0028 // Class description:
0029 //
0030 // Singleton for importing file descriptions.
0031
0032 // Author: P.Arce, CIEMAT (November 2007)
0033 // --------------------------------------------------------------------
0034 #ifndef G4tgrFileIn_hh
0035 #define G4tgrFileIn_hh 1
0036
0037 #include <vector>
0038
0039 #include "globals.hh"
0040
0041 class G4tgrFileIn
0042 {
0043   public:
0044
0045     G4tgrFileIn();
0046     ~G4tgrFileIn();
0047
0048     static G4tgrFileIn& GetInstance(const G4String& name);
0049       // Get the only instance opening the file
0050
0051     static G4tgrFileIn& GetInstanceOpened(const G4String& name);
0052       // Get the only instance when file should be already opened
0053
0054     G4int GetWordsInLine(std::vector<G4String>& wl);
0055       // Read a line and transform it to a vector of words
0056
0057     void ErrorInLine();
0058       // Print out an error message indicating the line being read
0059
0060     // Access data members
0061
0062     G4int Nline() { return theLineNo[theCurrentFile]; }
0063
0064     const G4String& GetName() { return theName; }
0065
0066     void OpenNewFile(const char* filename);
0067     G4bool EndOfFile();
0068     void Close();
0069     void DumpException(const G4String& sent);
0070
0071   private:
0072
0073     G4tgrFileIn(const G4String& name) : theName(name) {}
0074
0075   private:
0076
0077     std::vector<std::ifstream*> theFiles;
0078
0079     std::vector<G4int> theLineNo;
0080       // Number of line being read
0081
0082     std::vector<G4String> theNames;
0083
0084     G4int theCurrentFile = -1;
0085       // Index of file being read in theFiles
0086
0087     static G4ThreadLocal std::vector<G4tgrFileIn*>* theInstances;
0088       // Vector of class instances (each one identified by its name)
0089
0090     G4String theName = "";
0091       // Name of file
0092 };
0093
0094 #endif