static grib_section* sub_section(grib_accessor* a);
static int get_native_type(grib_accessor*);
static int pack_missing(grib_accessor*);
static int is_missing(grib_accessor*);
static int pack_bytes(grib_accessor*, const unsigned char*, size_t* len);
static int pack_double(grib_accessor*, const double* val, size_t* len);
static int pack_float(grib_accessor*, const float* val, size_t* len);
static int pack_long(grib_accessor*, const long* val, size_t* len);
static int pack_string(grib_accessor*, const char*, size_t* len);
static int pack_string_array(grib_accessor*, const char**, size_t* len);
static int pack_expression(grib_accessor*, grib_expression*);
static int unpack_bytes(grib_accessor*, unsigned char*, size_t* len);
static int unpack_double(grib_accessor*, double* val, size_t* len);
static int unpack_float(grib_accessor*, float* val, size_t* len);
static int unpack_long(grib_accessor*, long* val, size_t* len);
static int unpack_string(grib_accessor*, char*, size_t* len);
static int unpack_string_array(grib_accessor*, char**, size_t* len);
static size_t string_length(grib_accessor*);
static long byte_count(grib_accessor*);
static long byte_offset(grib_accessor*);
static long next_offset(grib_accessor*);
static int value_count(grib_accessor*, long*);
static void destroy(grib_context*, grib_accessor*);
static void dump(grib_accessor*, grib_dumper*);
static void init(grib_accessor*, const long, grib_arguments*);
static void post_init(grib_accessor*);
static int notify_change(grib_accessor*, grib_accessor*);
static void update_size(grib_accessor*, size_t);
static size_t preferred_size(grib_accessor*, int);
static void resize(grib_accessor*,size_t);
static int nearest_smaller_value (grib_accessor*, double, double*);
static grib_accessor* next(grib_accessor*, int);
static int compare(grib_accessor*, grib_accessor*);
static int unpack_double_element(grib_accessor*, size_t i, double* val);
static int unpack_float_element(grib_accessor*, size_t i, float* val);
static int unpack_double_element_set(grib_accessor*, const size_t* index_array, size_t len, double* val_array);
static int unpack_float_element_set(grib_accessor*, const size_t* index_array, size_t len, float* val_array);
static int unpack_double_subarray(grib_accessor*, double* val, size_t start, size_t len);
static int clear(grib_accessor*);
static grib_accessor* make_clone(grib_accessor*, grib_section*, int*);

typedef struct grib_accessor_NAME
{
    grib_accessor att;
MEMBERS
} grib_accessor_NAME;

extern grib_accessor_class* SUPER;

static grib_accessor_class _grib_accessor_class_NAME = {
    &SUPER,                      /* super */
    "NAME",                      /* name */
    sizeof(grib_accessor_NAME),  /* size */
    0,                           /* inited */
    0,                           /* init_class */
    &init,                       /* init */
    &post_init,                  /* post_init */
    &destroy,                    /* destroy */
    &dump,                       /* dump */
    &next_offset,                /* next_offset */
    &string_length,              /* get length of string */
    &value_count,                /* get number of values */
    &byte_count,                 /* get number of bytes */
    &byte_offset,                /* get offset to bytes */
    &get_native_type,            /* get native type */
    &sub_section,                /* get sub_section */
    &pack_missing,               /* pack_missing */
    &is_missing,                 /* is_missing */
    &pack_long,                  /* pack_long */
    &unpack_long,                /* unpack_long */
    &pack_double,                /* pack_double */
    &pack_float,                 /* pack_float */
    &unpack_double,              /* unpack_double */
    &unpack_float,               /* unpack_float */
    &pack_string,                /* pack_string */
    &unpack_string,              /* unpack_string */
    &pack_string_array,          /* pack_string_array */
    &unpack_string_array,        /* unpack_string_array */
    &pack_bytes,                 /* pack_bytes */
    &unpack_bytes,               /* unpack_bytes */
    &pack_expression,            /* pack_expression */
    &notify_change,              /* notify_change */
    &update_size,                /* update_size */
    &preferred_size,             /* preferred_size */
    &resize,                     /* resize */
    &nearest_smaller_value,      /* nearest_smaller_value */
    &next,                       /* next accessor */
    &compare,                    /* compare vs. another accessor */
    &unpack_double_element,      /* unpack only ith value (double) */
    &unpack_float_element,       /* unpack only ith value (float) */
    &unpack_double_element_set,  /* unpack a given set of elements (double) */
    &unpack_float_element_set,   /* unpack a given set of elements (float) */
    &unpack_double_subarray,     /* unpack a subarray */
    &clear,                      /* clear */
    &make_clone,                 /* clone accessor */
};


grib_accessor_class* grib_accessor_class_NAME = &_grib_accessor_class_NAME;

ADD_TO_FILE grib_accessor_class.h      extern grib_accessor_class* grib_accessor_class_NAME;
ADD_TO_FILE grib_accessor_factory.h    { "NAME", &grib_accessor_class_NAME, },
ADD_TO_FILE grib_accessor_factory_hash_list     NAME, &grib_accessor_class_NAME