eccodes/src/grib_iterator_class.cc

59 lines
2.2 KiB
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.
*/
/***************************************************************************
* Jean Baptiste Filippi - 01.11.2005 *
* Enrico Fucile *
***************************************************************************/
#include "grib_api_internal.h"
/* 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* error)
{
size_t i = 0, num_table_entries = 0;
const char* type = (char*)grib_arguments_get_name(h, args, 0);
*error = GRIB_NOT_IMPLEMENTED;
num_table_entries = sizeof(table) / sizeof(table[0]);
for (i = 0; i < num_table_entries; 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;
*error = grib_iterator_init(it, h, args);
if (*error == 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(*error));
grib_iterator_delete(it);
return NULL;
}
}
grib_context_log(h->context, GRIB_LOG_ERROR, "Geoiterator factory: Unknown type: %s", type);
return NULL;
}