#include "H5f90.h"

/*----------------------------------------------------------------------------
 * Name:        h5rcreate_object_c
 * Purpose:     Call H5Rcreate to create a reference to an object
 * Inputs:      loc_id - file or group identifier 
 *              name - name of the dataset     
 *              namelen - name length
 * Outputs:     ref  - reference to the object 
 * Returns:     0 on success, -1 on failure
 * Programmer:  Elena Pourmal
 *              Wednesday, December 1, 1999
 * Modifications:
 *---------------------------------------------------------------------------*/
int_f
nh5rcreate_object_c (_fcd ref, hid_t_f *loc_id, _fcd name, int_f *namelen)
{
     int ret_value = -1;
     hid_t c_loc_id;
     int ret_value_c;
     char *c_name;
     int c_namelen;
     hobj_ref_t ref_c;
     int i;

     /*
      * Convert FORTRAN name to C name
      */
     c_namelen = *namelen;
     c_name = (char *)HD5f2cstring(name, c_namelen); 
     if (c_name == NULL) return ret_value;

     /*
      * Call H5Rcreate function.
      */
     c_loc_id = *loc_id;
     ret_value_c = H5Rcreate(&ref_c, c_loc_id, c_name, H5R_OBJECT, -1);
     HDfree(c_name);
     if (ret_value_c >= 0) {
         for(i=0; i < H5R_OBJ_REF_BUF_SIZE; i++) 
         {
#if defined(_UNICOS)
              ref.c_pointer[i]=ref_c.oid[i];
#else
              ref[i]=ref_c.oid[i];
#endif
         } 
         ret_value = 0;
     }
     return ret_value;
}      

/*----------------------------------------------------------------------------
 * Name:        h5rcreate_region_c
 * Purpose:     Call H5Rcreate to create a reference to dataset region
 *              region 
 * Inputs:      loc_id - file or group identifier 
 *              name - name of the dataset     
 *              namelen - name length
 *              space_id - dataset space identifier
 * Outputs:     ref  - reference to the dataset region 
 * Returns:     0 on success, -1 on failure
 * Programmer:  Elena Pourmal
 *              Wednesday, December 1, 1999
 * Modifications:
 *---------------------------------------------------------------------------*/
int_f
nh5rcreate_region_c (_fcd ref, hid_t_f *loc_id, _fcd name, int_f *namelen, hid_t_f *space_id)
{
     int ret_value = -1;
     hid_t c_loc_id;
     hid_t c_space_id;
     int ret_value_c;
     char *c_name;
     int c_namelen;
     hdset_reg_ref_t ref_c;
     int i;

     /*
      * Convert FORTRAN name to C name
      */
     c_namelen = *namelen;
     c_name = (char *)HD5f2cstring(name, c_namelen); 
     if (c_name == NULL) return ret_value;

     /*
      * Call H5Rcreate function.
      */
     c_loc_id = *loc_id;
     c_space_id = *space_id;
     ret_value_c = H5Rcreate(&ref_c, c_loc_id, c_name, H5R_DATASET_REGION, c_space_id);
     HDfree(c_name);
     if (ret_value_c >= 0) {
         for(i=0; i < H5R_DSET_REG_REF_BUF_SIZE; i++) 
         {
#if defined(_UNICOS)
              ref.c_pointer[i]=ref_c.heapid[i];
#else
              ref[i]=ref_c.heapid[i];
#endif
         } 
         ret_value = 0;
     }
     return ret_value;
}      

/*----------------------------------------------------------------------------
 * Name:        h5rdereference_region_c
 * Purpose:     Call H5Rdereference to dereference to dataset region
 * Inputs:      dset_id - dataset identifier 
 *              ref - reference to the dataset region 
 * Outputs:     obj_id - dereferenced dataset identifier 
 * Returns:     0 on success, -1 on failure
 * Programmer:  Elena Pourmal
 *              Wednesday, December 1, 1999
 * Modifications:
 *---------------------------------------------------------------------------*/
int_f
nh5rdereference_region_c (hid_t_f *dset_id, _fcd ref, hid_t_f *obj_id)
{
     int ret_value = -1;
     hid_t c_dset_id;
     hdset_reg_ref_t ref_c;
     hid_t c_obj_id;
     int i;

     for(i=0; i < H5R_DSET_REG_REF_BUF_SIZE; i++) {

#if defined(_UNICOS)
                  ref_c.heapid[i]=ref.c_pointer[i];
#else
                  ref_c.heapid[i]=ref[i];
#endif
      }

     /*
      * Call H5Rdereference function.
      */
     c_dset_id = *dset_id;
     c_obj_id = H5Rdereference(c_dset_id, H5R_DATASET_REGION, &ref_c);
     if(c_obj_id < 0) return ret_value;
     *obj_id = (hid_t_f)c_obj_id;
     ret_value = 0;     
     return ret_value;
}      


/*----------------------------------------------------------------------------
 * Name:        h5rdereference_object_c
 * Purpose:     Call H5Rdereference to dereference an object 
 * Inputs:      dset_id - dataset identifier 
 *              ref - reference to an object 
 * Outputs:     obj_id - dereferenced  object identifier 
 * Returns:     0 on success, -1 on failure
 * Programmer:  Elena Pourmal
 *              Wednesday, December 1, 1999
 * Modifications:
 *---------------------------------------------------------------------------*/
int_f
nh5rdereference_object_c (hid_t_f *dset_id, _fcd ref, hid_t_f *obj_id)
{
     int ret_value = -1;
     hid_t c_dset_id;
     hid_t c_obj_id;
     hobj_ref_t ref_c;
     int i;

     for(i=0; i < H5R_OBJ_REF_BUF_SIZE; i++) {

#if defined(_UNICOS)
                   ref_c.oid[i]=ref.c_pointer[i];
#else
                   ref_c.oid[i]=ref[i];
#endif
      }

     /*
      * Call H5Rdereference function.
      */
     c_dset_id = *dset_id;
     c_obj_id = H5Rdereference(c_dset_id, H5R_OBJECT, &ref_c);
     if(c_obj_id < 0) return ret_value;
     *obj_id = (hid_t_f)c_obj_id;
     ret_value = 0;     
     return ret_value;
}

/*----------------------------------------------------------------------------
 * Name:        h5rget_region_region_object_c
 * Purpose:     Call H5Rget_region to dereference dataspace region 
 * Inputs:      dset_id - dataset identifier 
 *              ref - reference to the dataset region 
 * Outputs:     space_id - dereferenced  dataset dataspace identifier 
 * Returns:     0 on success, -1 on failure
 * Programmer:  Elena Pourmal
 *              Wednesday, December 1, 1999
 * Modifications:
 *---------------------------------------------------------------------------*/
int_f
nh5rget_region_region_c (hid_t_f *dset_id, _fcd ref, hid_t_f *space_id)
{
     int ret_value = -1;
     hid_t c_dset_id;
     hid_t c_space_id;
     hdset_reg_ref_t ref_c;
     int i;

     for(i=0; i < H5R_DSET_REG_REF_BUF_SIZE; i++) {

#if defined(_UNICOS)
                  ref_c.heapid[i]=ref.c_pointer[i];
#else
                  ref_c.heapid[i]=ref[i];
#endif
      }

     /*
      * Call H5Rget_region function.
      */
     c_dset_id = *dset_id;
     c_space_id = H5Rget_region(c_dset_id, H5R_DATASET_REGION, &ref_c);
     if(c_space_id < 0) return ret_value;
     *space_id = (hid_t_f)c_space_id;
     ret_value = 0;     
     return ret_value;
}

/*----------------------------------------------------------------------------
 * Name:        h5rget_object_type_obj_c
 * Purpose:     Call H5Rget_object_type to retrieve the type of the object reference points 
 *              to 
 * Inputs:      dset_id - dataset identifier 
 *              ref - reference to the dataset region 
 * Outputs:     obj_type - type of dereferenced object 
 * Returns:     0 on success, -1 on failure
 * Programmer:  Elena Pourmal
 *              Wednesday, December 1, 1999
 * Modifications:
 *---------------------------------------------------------------------------*/
int_f
nh5rget_object_type_obj_c (hid_t_f *dset_id, _fcd ref, int_f *obj_type)
{
     int ret_value = -1;
     hid_t c_dset_id;
     int c_obj_type;
     hobj_ref_t ref_c;
     int i;

     for(i=0; i < H5R_OBJ_REF_BUF_SIZE; i++) {

#if defined(_UNICOS)
                  ref_c.oid[i]=ref.c_pointer[i];
#else
                  ref_c.oid[i]=ref[i];
#endif
      }

     /*
      * Call H5Rget_object_type function.
      */
     c_dset_id = *dset_id;
     c_obj_type = H5Rget_object_type(c_dset_id, &ref_c);
     if(c_obj_type < 0) return ret_value;
     *obj_type = (int_f)c_obj_type;
     ret_value = 0;     
     return ret_value;
}