#ifndef CARPETIOASCII_HH
#define CARPETIOASCII_HH

#include <vector>

#include <cctk.h>
#include <cctk_Arguments.h>



namespace CarpetIOASCII {

  using namespace std;



  // Scheduled functions
  extern "C" {
    int CarpetIOASCIIStartup (void);
    void CarpetIOASCIIInit (CCTK_ARGUMENTS);
  }


  // routines which are independent of the output dimension
  static ibbox GetOutputBBox (const cGH* cctkGH,
                              int group,
                              int rl, 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* iparam, const char* iglobal,
                            const char* cparam, const char* cglobal,
                            CCTK_REAL cfallback);
  static int CoordToOffset (const cGH* cctkGH, int m, int dir,
                            CCTK_REAL coord, int ifallback);


  // 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);

  };                            // struct IOASCII
  
  template<int outdim>
  void WriteASCII (ostream& os,
		   vector<gdata*> const& gfdatas,
		   const bbox<int,dim>& gfext,
		   const int vi,
		   const int time,
		   const vect<int,dim>& org,
		   const vect<int,outdim>& dirs,
		   const int rl,
		   const int ml,
                   const int m,
		   const int c,
		   const int tl,
		   const CCTK_REAL coord_time,
		   const vect<CCTK_REAL,dim>& coord_lower,
		   const vect<CCTK_REAL,dim>& coord_upper,
                   vector<gdata*> const& gfcoords);
  
} // namespace CarpetIOASCII

#endif // ! defined CARPETIOASCII_HH