/*
 * Copyright 2005-2018 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)
{
}
