#ifndef CARPETIOASCII_HH
#define CARPETIOASCII_HH

#include <vector>

#include <cctk.h>



namespace CarpetIOASCII {
  
  using namespace std;
  
  
  
  // Scheduled functions
  extern "C" {
    int CarpetIOASCIIStartup ();
    void CarpetIOASCIIInit (CCTK_ARGUMENTS);
  }
  
  
  
  // Everything is a class template, so that it can easily be
  // instantiated for all output dimensions
  
  template<int outdim>
  struct IOASCII {
    
    // name of the output directory
    static char* my_out_dir;
    
    // list of variables to output
    static char* my_out_vars;
    
    // I/O request description list (for all variables)
    static vector<ioRequest*> requests;
    
    
    
    // Scheduled functions
    static int Startup();
    
    // Registered functions
    static void* SetupGH (tFleshConfig* fc, int convLevel, cGH* cctkGH);
    
    static int OutputGH (const cGH* cctkGH);
    static int OutputVarAs (const cGH* cctkGH,
                            const char* varname, const char* alias);
    static int TimeToOutput (const cGH* cctkGH, int vindex);
    static int TriggerOutput (const cGH* cctkGH, int vindex);
    
    // Other functions
    static void CheckSteerableParameters (const cGH* cctkGH);
    
    static bool DidOutput (const cGH* cctkGH,
                           int vindex,
                           string basefilename,
                           bool& is_new_file, bool& truncate_file);
    
    static bool DirectionIsRequested (const vect<int,outdim>& dirs);
    
    static void OutputDirection (const cGH* cctkGH,
                                 int vindex,
                                 string alias,
                                 string basefilename,
                                 const vect<int,outdim>& dirs,
                                 bool is_new_file,
                                 bool truncate_file);

    static void OpenFile (const cGH* cctkGH,
                          int m,
                          int vindex,
                          string alias,
                          string basefilename,
                          const vect<int,outdim>& dirs,
                          bool is_new_file,
                          bool truncate_file,
                          fstream& file);
    
    static void CloseFile (const cGH* cctkGH,
                           fstream& file);
    
    static ivect GetOutputOffset (const cGH* cctkGH, int m,
                                  const vect<int,outdim>& dirs);
    
    static ibbox GetOutputBBox (const cGH* cctkGH,
                                int group,
                                int m, int c,
                                const ibbox& ext);
    
    static void GetCoordinates (const cGH* cctkGH, int m,
                                const cGroup& groupdata,
                                const ibbox& ext,
                                CCTK_REAL& coord_time,
                                rvect& coord_lower, rvect& coord_upper);
    
    static int GetGridOffset (const cGH* cctkGH, int m, int dir,
                              const char* itempl, const char* iglobal,
                              const char* ctempl, const char* cglobal,
                              CCTK_REAL cfallback);
    static int CoordToOffset (const cGH* cctkGH, int m, int dir,
                              CCTK_REAL coord, int ifallback);
    
    static const char* GetStringParameter (const char* parametertemplate);
    static CCTK_INT GetIntParameter (const char* parametertemplate);
    static CCTK_REAL GetRealParameter (const char* parametertemplate);
    
  };                            // struct IOASCII
  
} // namespace CarpetIOASCII

#endif // ! defined CARPETIOASCII_HH