text: /*
   * Copyright 2005-2019 ECMWF.
   *
   * This software is licensed under the terms of the Apache Licence Version 2.0
   * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
   *
   * In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
   * virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
   */
  
  /**********************************
   *  Enrico Fucile
   **********************************/
  
  #include "grib_api_internal.h"
  /*
     This is used by make_class.pl
  
     START_CLASS_DEF
     CLASS      = accessor
     SUPER      = grib_accessor_class_long
     IMPLEMENTS = unpack_long
     IMPLEMENTS = init
     MEMBERS = const char* values
     MEMBERS = const char* bitsPerValue
     MEMBERS = const char* numberOfPoints
     MEMBERS = const char* bitmapPresent
     MEMBERS = const char* bitmap
     MEMBERS = const char* numberOfCodedValues
     END_CLASS_DEF
   */
  
  /* START_CLASS_IMP */
  
  /*
  
  Don't edit anything between START_CLASS_IMP and END_CLASS_IMP
  Instead edit values between START_CLASS_DEF and END_CLASS_DEF
  or edit "accessor.class" and rerun ./make_class.pl
  
  */
  
  static int unpack_long(grib_accessor*, long* val,size_t *len);
  static void init(grib_accessor*,const long, grib_arguments* );
  static void init_class(grib_accessor_class*);
  
  typedef struct grib_accessor_number_of_values {
      grib_accessor          att;
  /* Members defined in gen */
  /* Members defined in long */
  /* Members defined in number_of_values */
  	const char* values;
  	const char* bitsPerValue;
  	const char* numberOfPoints;
  	const char* bitmapPresent;
  	const char* bitmap;
  	const char* numberOfCodedValues;
  } grib_accessor_number_of_values;
  
  extern grib_accessor_class* grib_accessor_class_long;
  
  static grib_accessor_class _grib_accessor_class_number_of_values = {
      &grib_accessor_class_long,                      /* super                     */
      "number_of_values",                      /* name                      */
      sizeof(grib_accessor_number_of_values),  /* size                      */
      0,                           /* inited */
      &init_class,                 /* init_class */
      &init,                       /* init                      */
      0,                  /* post_init                      */
      0,                    /* free mem                       */
      0,                       /* describes himself         */
      0,                /* get length of section     */
      0,              /* get length of string      */
      0,                /* get number of values      */
      0,                 /* get number of bytes      */
      0,                /* get offset to bytes           */
      0,            /* get native type               */
      0,                /* get sub_section                */
      0,               /* grib_pack procedures long      */
      0,                 /* grib_pack procedures long      */
      0,                  /* grib_pack procedures long      */
      &unpack_long,                /* grib_unpack procedures long    */
      0,                /* grib_pack procedures double    */
      0,              /* grib_unpack procedures double  */
      0,                /* grib_pack procedures string    */
      0,              /* grib_unpack procedures string  */
      0,          /* grib_pack array procedures string    */
      0,        /* grib_unpack array procedures string  */
      0,                 /* grib_pack procedures bytes     */
      0,               /* grib_unpack procedures bytes   */
      0,            /* pack_expression */
      0,              /* notify_change   */
      0,                /* update_size   */
      0,            /* preferred_size   */
      0,                    /* resize   */
      0,      /* nearest_smaller_value */
      0,                       /* next accessor    */
      0,                    /* compare vs. another accessor   */
      0,     /* unpack only ith value          */
      0,     /* unpack a subarray         */
      0,              		/* clear          */
      0,               		/* clone accessor          */
  };
  
  
  grib_accessor_class* grib_accessor_class_number_of_values = &_grib_accessor_class_number_of_values;
  
  
  static void init_class(grib_accessor_class* c)
  {
  	c->dump	=	(*(c->super))->dump;
  	c->next_offset	=	(*(c->super))->next_offset;
  	c->string_length	=	(*(c->super))->string_length;
  	c->value_count	=	(*(c->super))->value_count;
  	c->byte_count	=	(*(c->super))->byte_count;
  	c->byte_offset	=	(*(c->super))->byte_offset;
  	c->get_native_type	=	(*(c->super))->get_native_type;
  	c->sub_section	=	(*(c->super))->sub_section;
  	c->pack_missing	=	(*(c->super))->pack_missing;
  	c->is_missing	=	(*(c->super))->is_missing;
  	c->pack_long	=	(*(c->super))->pack_long;
  	c->pack_double	=	(*(c->super))->pack_double;
  	c->unpack_double	=	(*(c->super))->unpack_double;
  	c->pack_string	=	(*(c->super))->pack_string;
  	c->unpack_string	=	(*(c->super))->unpack_string;
  	c->pack_string_array	=	(*(c->super))->pack_string_array;
  	c->unpack_string_array	=	(*(c->super))->unpack_string_array;
  	c->pack_bytes	=	(*(c->super))->pack_bytes;
  	c->unpack_bytes	=	(*(c->super))->unpack_bytes;
  	c->pack_expression	=	(*(c->super))->pack_expression;
  	c->notify_change	=	(*(c->super))->notify_change;
  	c->update_size	=	(*(c->super))->update_size;
  	c->preferred_size	=	(*(c->super))->preferred_size;
  	c->resize	=	(*(c->super))->resize;
  	c->nearest_smaller_value	=	(*(c->super))->nearest_smaller_value;
  	c->next	=	(*(c->super))->next;
  	c->compare	=	(*(c->super))->compare;
  	c->unpack_double_element	=	(*(c->super))->unpack_double_element;
  	c->unpack_double_subarray	=	(*(c->super))->unpack_double_subarray;
  	c->clear	=	(*(c->super))->clear;
  	c->make_clone	=	(*(c->super))->make_clone;
  }
  
  /* END_CLASS_IMP */
  
  static void init(grib_accessor* a,const long l, grib_arguments* c)
  {
      int n=0;
      grib_accessor_number_of_values* self = (grib_accessor_number_of_values*)a;
      grib_handle* hand = grib_handle_of_accessor(a);
  
      self->values = grib_arguments_get_name(hand,c,n++);
      self->bitsPerValue = grib_arguments_get_name(hand,c,n++);
      self->numberOfPoints = grib_arguments_get_name(hand,c,n++);
      self->bitmapPresent = grib_arguments_get_name(hand,c,n++);
      self->bitmap = grib_arguments_get_name(hand,c,n++);
      self->numberOfCodedValues = grib_arguments_get_name(hand,c,n++);
      a->flags  |= GRIB_ACCESSOR_FLAG_READ_ONLY;
  
      a->length=0;
  }
  
  static int  unpack_long(grib_accessor* a, long* val, size_t *len)
  {
      grib_accessor_number_of_values* self = (grib_accessor_number_of_values*)a;
      int ret=GRIB_SUCCESS,i;
      long npoints=0,bitmap_present=0;
      size_t size=0;
  
      if((ret = grib_get_long_internal(grib_handle_of_accessor(a), self->numberOfPoints,&npoints)) != GRIB_SUCCESS)
          return ret;
  
      if((ret = grib_get_long_internal(grib_handle_of_accessor(a), self->bitmapPresent,&bitmap_present)) != GRIB_SUCCESS)
          return ret;
  
      if (bitmap_present) {
          double* bitmap;
          size=npoints;
          bitmap=(double*)grib_context_malloc(a->context,sizeof(double)*size);
          if((ret = grib_get_double_array_internal(grib_handle_of_accessor(a),self->bitmap,bitmap,&size))
                  != GRIB_SUCCESS) {
              grib_context_free(a->context,bitmap);
              return ret;
          }
          *val=0;
          for (i=0;i<size;i++)
              if (bitmap[i]!=0) (*val)++;
  
          grib_context_free(a->context,bitmap);
      } else {
          *val=npoints;
      }
  
      return ret;
  }
  