eccodes/src/grib_nearest_class.c

/*
 * (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"

#define NUMBER(x) (sizeof(x) / sizeof(x[0]))

/* This file is generated by ./make_class.pl */
#include "grib_nearest_class.h"

struct table_entry
{
    const char* type;
    grib_nearest_class** cclass;
};

static const struct table_entry table[] = {
/* This file is generated by ./make_class.pl */
#include "grib_nearest_factory.h"
};

grib_nearest* grib_nearest_factory(grib_handle* h, grib_arguments* args)
{
    int i;
    int ret    = GRIB_SUCCESS;
    char* type = (char*)grib_arguments_get_name(h, args, 0);

    for (i = 0; i < NUMBER(table); i++)
        if (strcmp(type, table[i].type) == 0) {
            grib_nearest_class* c = *(table[i].cclass);
            grib_nearest* it      = (grib_nearest*)grib_context_malloc_clear(h->context, c->size);
            it->cclass            = c;
            ret                   = grib_nearest_init(it, h, args);
            if (ret == GRIB_SUCCESS)
                return it;
            grib_context_log(h->context, GRIB_LOG_ERROR, "grib_nearest_factory: error %d instantiating nearest %s", ret, table[i].type);
            grib_nearest_delete(it);
            return NULL;
        }

    grib_context_log(h->context, GRIB_LOG_ERROR, "grib_nearest_factory : Unknown type : %s for nearest", type);

    return NULL;
}