text: /*
   * Copyright 2005-2016 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.
   */
  
  #include "grib_api_internal.h"
  
  /*
     This is used by make_class.pl
  
     START_CLASS_DEF
     CLASS      = accessor
     SUPER      = grib_accessor_class_gen
     IMPLEMENTS = init
     IMPLEMENTS = unpack_double
     IMPLEMENTS = dump;get_native_type
     MEMBERS=const char*  primary_bitmap
     MEMBERS=const char*  secondary_bitmap
     MEMBERS=const char*  missing_value
     MEMBERS=const char*  expand_by
     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  get_native_type(grib_accessor*);
  static int unpack_double(grib_accessor*, double* val,size_t *len);
  static void dump(grib_accessor*, grib_dumper*);
  static void init(grib_accessor*,const long, grib_arguments* );
  static void init_class(grib_accessor_class*);
  
  typedef struct grib_accessor_data_secondary_bitmap {
      grib_accessor          att;
  /* Members defined in gen */
  /* Members defined in data_secondary_bitmap */
  	const char*  primary_bitmap;
  	const char*  secondary_bitmap;
  	const char*  missing_value;
  	const char*  expand_by;
  } grib_accessor_data_secondary_bitmap;
  
  extern grib_accessor_class* grib_accessor_class_gen;
  
  static grib_accessor_class _grib_accessor_class_data_secondary_bitmap = {
      &grib_accessor_class_gen,                      /* super                     */
      "data_secondary_bitmap",                      /* name                      */
      sizeof(grib_accessor_data_secondary_bitmap),  /* size                      */
      0,                           /* inited */
      &init_class,                 /* init_class */
      &init,                       /* init                      */
      0,                  /* post_init                      */
      0,                    /* free mem                       */
      &dump,                       /* 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           */
      &get_native_type,            /* get native type               */
      0,                /* get sub_section                */
      0,               /* grib_pack procedures long      */
      0,                 /* grib_pack procedures long      */
      0,                  /* grib_pack procedures long      */
      0,                /* grib_unpack procedures long    */
      0,                /* grib_pack procedures double    */
      &unpack_double,              /* 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_data_secondary_bitmap = &_grib_accessor_class_data_secondary_bitmap;
  
  
  static void init_class(grib_accessor_class* c)
  {
  	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->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->unpack_long	=	(*(c->super))->unpack_long;
  	c->pack_double	=	(*(c->super))->pack_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 v, grib_arguments* args)
  {
    grib_accessor_data_secondary_bitmap *self =(grib_accessor_data_secondary_bitmap*)a;
  
  
    self->primary_bitmap   = grib_arguments_get_name(grib_handle_of_accessor(a),args,0);
    self->secondary_bitmap = grib_arguments_get_name(grib_handle_of_accessor(a),args,1);
    self->missing_value    = grib_arguments_get_name(grib_handle_of_accessor(a),args,2);
    self->expand_by        = grib_arguments_get_name(grib_handle_of_accessor(a),args,3);
  
    a->length              = 0;
  }
  static void dump(grib_accessor* a, grib_dumper* dumper)
  {
    grib_dump_values(dumper,a);
  }
  
  
  
  
  static int  unpack_double(grib_accessor* a, double* val, size_t *len)
  {
    grib_accessor_data_secondary_bitmap* self =  (grib_accessor_data_secondary_bitmap*)a;
  
    size_t i = 0;
    size_t j = 0;
    size_t k = 0;
    size_t m = 0;
    size_t n_vals = 0;
    long nn=0;
    long expand_by =0;
    int err = 0;
    size_t primary_len;
    size_t secondary_len;
    double* primary_vals;
    double* secondary_vals;
    err=grib_value_count(a,&nn);
    n_vals=nn;
    if (err) return err;
  
    if(*len < n_vals)
    {
      *len = n_vals;
      return GRIB_ARRAY_TOO_SMALL;
    }
  
    if((err = grib_get_long(grib_handle_of_accessor(a),self->expand_by,&expand_by)) != GRIB_SUCCESS)
      return err;
  
    if((err = grib_get_size(grib_handle_of_accessor(a),self->primary_bitmap,&primary_len)) != GRIB_SUCCESS)
      return err;
  
    if((err = grib_get_size(grib_handle_of_accessor(a),self->secondary_bitmap,&secondary_len)) != GRIB_SUCCESS)
      return err;
  
    primary_vals = (double*)grib_context_malloc(a->context,primary_len*sizeof(double));
    if(!primary_vals)
      return GRIB_OUT_OF_MEMORY;
  
    secondary_vals = (double*)grib_context_malloc(a->context,secondary_len*sizeof(double));
    if(!secondary_vals)
    {
      grib_context_free(a->context,primary_vals);
      return GRIB_OUT_OF_MEMORY;
    }
  
    if((err = grib_get_double_array_internal(grib_handle_of_accessor(a),self->primary_bitmap,primary_vals,&primary_len)) != GRIB_SUCCESS)
    {
      grib_context_free(a->context,secondary_vals);
      grib_context_free(a->context,primary_vals);
      return err;
    }
  
    if((err = grib_get_double_array_internal(grib_handle_of_accessor(a),self->secondary_bitmap,secondary_vals,&secondary_len)) != GRIB_SUCCESS)
    {
      grib_context_free(a->context,secondary_vals);
      grib_context_free(a->context,primary_vals);
      return err;
    }
  
    k = 0;
    m = 0;
    for(i=0;i < primary_len;i++)
    {
      /* if(primary_vals[i]) f++; */
      if(primary_vals[i])
      {
        for(j = 0; j < expand_by; j++)
          val[k++] = secondary_vals[m++];
      }
      else {
        for(j = 0; j < expand_by; j++)
          val[k++] = 0;
      }
  
    }
  
    Assert(k <= *len);
    Assert(m <= secondary_len);
  
    /*printf("FOOBAR %d %d %ld %d\n",f,primary_len,expand_by,n_vals);*/
  
    *len =  n_vals;
  
    grib_context_free(a->context,primary_vals);
    grib_context_free(a->context,secondary_vals);
    return err;
  }
  
  
  static int  get_native_type(grib_accessor* a)
  {
    /*  grib_accessor_data_secondary_bitmap* self =  (grib_accessor_data_secondary_bitmap*)a;
      return grib_accessor_get_native_type(grib_find_accessor(grib_handle_of_accessor(a),self->coded_values));*/
  
    return GRIB_TYPE_DOUBLE;
  }
  