/*
 * (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"

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

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

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

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

grib_iterator* grib_iterator_factory(grib_handle* h, grib_arguments* args, unsigned long flags, int* ret)
{
    int i;
    const 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_iterator_class* c = *(table[i].cclass);
            grib_iterator* it      = (grib_iterator*)grib_context_malloc_clear(h->context, c->size);
            it->cclass             = c;
            it->flags              = flags;
            *ret                   = GRIB_SUCCESS;
            *ret                   = grib_iterator_init(it, h, args);
            if (*ret == GRIB_SUCCESS)
                return it;
            grib_context_log(h->context, GRIB_LOG_ERROR, "Geoiterator factory: Error instantiating iterator %s (%s)",
                             table[i].type, grib_get_error_message(*ret));
            grib_iterator_delete(it);
            return NULL;
        }

    grib_context_log(h->context, GRIB_LOG_ERROR, "Geoiterator factory: Unknown type: %s for iterator", type);

    return NULL;
}
