/*
 * (C) Copyright 2005- 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.
 */

/***************************************************************************
 *   Jean Baptiste Filippi - 01.11.2005                                                           *
 *   Enrico Fucile
 *                                                                         *
 ***************************************************************************/
#include "grib_api_internal.h"
/* 
   This is used by make_class.pl

   START_CLASS_DEF
   CLASS      = accessor
   IMPLEMENTS = unpack_long;pack_long
   IMPLEMENTS = unpack_double;pack_double
   IMPLEMENTS = unpack_string;pack_string
   IMPLEMENTS = unpack_bytes;pack_bytes
   IMPLEMENTS = init;dump;destroy
   IMPLEMENTS = get_native_type;sub_section
   IMPLEMENTS = next_offset;value_count;byte_offset;byte_count
   IMPLEMENTS = notify_change;pack_expression
   IMPLEMENTS  = update_size
   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 grib_section* sub_section(grib_accessor* a);
static int get_native_type(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_long(grib_accessor*, const long* val, size_t* len);
static int pack_string(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_long(grib_accessor*, long* val, size_t* len);
static int unpack_string(grib_accessor*, char*, size_t* len);
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 init_class(grib_accessor_class*);
static int notify_change(grib_accessor*, grib_accessor*);
static void update_size(grib_accessor*, size_t);

typedef struct grib_accessor_missing
{
    grib_accessor att;
    /* Members defined in missing */
} grib_accessor_missing;


static grib_accessor_class _grib_accessor_class_missing = {
    0,                             /* super                     */
    "missing",                     /* name                      */
    sizeof(grib_accessor_missing), /* size                      */
    0,                             /* inited */
    &init_class,                   /* init_class */
    &init,                         /* init                      */
    0,                             /* post_init                      */
    &destroy,                      /* free mem                       */
    &dump,                         /* describes himself         */
    &next_offset,                  /* get length of section     */
    0,                             /* 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                */
    0,                             /* grib_pack procedures long      */
    0,                             /* grib_pack procedures long      */
    &pack_long,                    /* grib_pack procedures long      */
    &unpack_long,                  /* grib_unpack procedures long    */
    &pack_double,                  /* grib_pack procedures double    */
    &unpack_double,                /* grib_unpack procedures double  */
    &pack_string,                  /* grib_pack procedures string    */
    &unpack_string,                /* grib_unpack procedures string  */
    0,                             /* grib_pack array procedures string    */
    0,                             /* grib_unpack array procedures string  */
    &pack_bytes,                   /* grib_pack procedures bytes     */
    &unpack_bytes,                 /* grib_unpack procedures bytes   */
    &pack_expression,              /* pack_expression */
    &notify_change,                /* notify_change   */
    &update_size,                  /* 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_missing = &_grib_accessor_class_missing;


static void init_class(grib_accessor_class* c)
{
}

/* END_CLASS_IMP */

static void init(grib_accessor* a, const long len, grib_arguments* param)
{
    /* a->flags = GRIB_FLAG_READONLY; */
    a->length = 0;
}

static void dump(grib_accessor* a, grib_dumper* dumper)
{
    /* grib_dump_bytes(dumper,a,NULL); */
}

static long next_offset(grib_accessor* a)
{
    return a->offset;
}

static int value_count(grib_accessor* a, long* c)
{
    *c = 0;
    return 0;
}

static long byte_count(grib_accessor* a)
{
    return 0;
}

static int get_native_type(grib_accessor* a)
{
    return GRIB_TYPE_UNDEFINED;
}

static long byte_offset(grib_accessor* a)
{
    return a->offset;
}

static int unpack_bytes(grib_accessor* a, unsigned char* val, size_t* len)
{
    return GRIB_NOT_FOUND;
}

static int unpack_long(grib_accessor* a, long* v, size_t* len)
{
    return GRIB_NOT_FOUND;
}

static int unpack_double(grib_accessor* a, double* v, size_t* len)
{
    return GRIB_NOT_FOUND;
}

static int unpack_string(grib_accessor* a, char* v, size_t* len)
{
    return GRIB_NOT_FOUND;
}

static int pack_expression(grib_accessor* a, grib_expression* e)
{
    return GRIB_NOT_FOUND;
}

static int pack_long(grib_accessor* a, const long* v, size_t* len)
{
    return GRIB_NOT_FOUND;
}

static int pack_double(grib_accessor* a, const double* v, size_t* len)
{
    return GRIB_NOT_FOUND;
}

static int pack_string(grib_accessor* a, const char* v, size_t* len)
{
    return GRIB_NOT_FOUND;
}

static int pack_bytes(grib_accessor* a, const unsigned char* val, size_t* len)
{
    return GRIB_NOT_FOUND;
}

static void destroy(grib_context* ct, grib_accessor* a)
{
}

static grib_section* sub_section(grib_accessor* a)
{
    return NULL;
}

static int notify_change(grib_accessor* self, grib_accessor* observed)
{
    return GRIB_NOT_FOUND;
}

static void update_size(grib_accessor* a, size_t s)
{
}
