/*
 * (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.
 */

#include "grib_api_internal.h"
/* 
   This is used by make_class.pl

   START_CLASS_DEF
   CLASS      = accessor
   SUPER      = grib_accessor_class_double
   IMPLEMENTS = pack_double;unpack_string
   IMPLEMENTS = init;dump
   IMPLEMENTS = unpack_double
   MEMBERS=const char* laf
   MEMBERS=const char* lof
   MEMBERS=const char* lal
   MEMBERS=const char* lol
   MEMBERS=const char* div
   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 pack_double(grib_accessor*, const double* val, size_t* len);
static int unpack_double(grib_accessor*, double* val, size_t* len);
static int unpack_string(grib_accessor*, char*, 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_g1area
{
    grib_accessor att;
    /* Members defined in gen */
    /* Members defined in double */
    /* Members defined in g1area */
    const char* laf;
    const char* lof;
    const char* lal;
    const char* lol;
    const char* div;
} grib_accessor_g1area;

extern grib_accessor_class* grib_accessor_class_double;

static grib_accessor_class _grib_accessor_class_g1area = {
    &grib_accessor_class_double,  /* super                     */
    "g1area",                     /* name                      */
    sizeof(grib_accessor_g1area), /* 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           */
    0,                            /* 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    */
    &pack_double,                 /* grib_pack procedures double    */
    &unpack_double,               /* grib_unpack procedures double  */
    0,                            /* grib_pack procedures string    */
    &unpack_string,               /* 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_g1area = &_grib_accessor_class_g1area;


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->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->unpack_long            = (*(c->super))->unpack_long;
    c->pack_string            = (*(c->super))->pack_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)
{
    grib_accessor_g1area* self = (grib_accessor_g1area*)a;
    int n                      = 0;

    self->laf = grib_arguments_get_name(grib_handle_of_accessor(a), c, n++);
    self->lof = grib_arguments_get_name(grib_handle_of_accessor(a), c, n++);
    self->lal = grib_arguments_get_name(grib_handle_of_accessor(a), c, n++);
    self->lol = grib_arguments_get_name(grib_handle_of_accessor(a), c, n++);
}

static int pack_double(grib_accessor* a, const double* val, size_t* len)
{
    grib_accessor_g1area* self = (grib_accessor_g1area*)a;
    int ret                    = 0;

    ret = grib_set_double_internal(grib_handle_of_accessor(a), self->laf, val[0]);
    if (ret)
        return ret;
    ret = grib_set_double_internal(grib_handle_of_accessor(a), self->lof, val[1]);
    if (ret)
        return ret;
    ret = grib_set_double_internal(grib_handle_of_accessor(a), self->lal, val[2]);
    if (ret)
        return ret;

    ret = grib_set_double_internal(grib_handle_of_accessor(a), self->lol, val[3]);
    if (ret)
        return ret;

    if (ret == GRIB_SUCCESS)
        *len = 4;

    return GRIB_SUCCESS;
}

static int unpack_double(grib_accessor* a, double* val, size_t* len)
{
    grib_accessor_g1area* self = (grib_accessor_g1area*)a;
    int ret                    = 0;

    if (*len < 4) {
        *len = 4;
        return GRIB_BUFFER_TOO_SMALL;
    }

    ret = grib_get_double_internal(grib_handle_of_accessor(a), self->laf, val++);
    if (ret)
        return ret;

    ret = grib_get_double_internal(grib_handle_of_accessor(a), self->lof, val++);
    if (ret)
        return ret;

    ret = grib_get_double_internal(grib_handle_of_accessor(a), self->lal, val++);
    if (ret)
        return ret;

    ret = grib_get_double_internal(grib_handle_of_accessor(a), self->lol, val);
    if (ret)
        return ret;

    if (ret == GRIB_SUCCESS)
        *len = 4;

    return GRIB_SUCCESS;
}

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

static int unpack_string(grib_accessor* a, char* val, size_t* len)
{
    grib_accessor_g1area* self = (grib_accessor_g1area*)a;
    int ret                    = 0;

    double laf, lof, lal, lol;

    ret = grib_get_double_internal(grib_handle_of_accessor(a), self->laf, &laf);
    if (ret)
        return ret;
    ret = grib_get_double_internal(grib_handle_of_accessor(a), self->lof, &lof);
    if (ret)
        return ret;
    ret = grib_get_double_internal(grib_handle_of_accessor(a), self->lal, &lal);
    if (ret)
        return ret;
    ret = grib_get_double_internal(grib_handle_of_accessor(a), self->lol, &lol);
    if (ret)
        return ret;
    if (*len < 60) {
        grib_context_log(a->context, GRIB_LOG_ERROR, " Buffer too small for %s (%d) ", a->name, *len);
        len = 0;
        return GRIB_BUFFER_TOO_SMALL;
    }

    sprintf(val, "N:%3.5f W:%3.5f S:%3.5f E:%3.5f", ((float)laf), ((float)lof), ((float)lal), ((float)lol));

    len[0] = strlen(val);
    return GRIB_SUCCESS;
}
