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/*
* (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 "eccodes.h"
#undef NDEBUG
#include <assert.h>
// Get the X part of a BUFR descriptor (FXY) and determine if it
// is a coordinate.
// See https://confluence.ecmwf.int/display/UDOC/What+are+coordinate+descriptors+-+ecCodes+BUFR+FAQ
static int is_coord_using_Xcode(const char* X)
{
if (strcmp(X, "01") == 0) return 1;
if (strcmp(X, "02") == 0) return 1;
if (strcmp(X, "04") == 0) return 1;
if (strcmp(X, "05") == 0) return 1;
if (strcmp(X, "06") == 0) return 1;
if (strcmp(X, "07") == 0) return 1;
if (strcmp(X, "08") == 0) return 1;
return 0;
}
int main(int argc, char* argv[])
{
int err = 0;
codes_handle* h = NULL;
char* filename = NULL;
FILE* fin = NULL;
int is_coord = 0;
int is_header = 0;
assert (argc == 2);
filename = argv[1];
fin = fopen(filename, "rb");
assert(fin);
while ((h = codes_handle_new_from_file(NULL, fin, PRODUCT_BUFR, &err)) != NULL || err != CODES_SUCCESS) {
codes_bufr_keys_iterator* kiter = NULL;
CODES_CHECK(codes_set_long(h, "unpack", 1), 0);
kiter = codes_bufr_keys_iterator_new(h, 0);
assert(kiter);
while (codes_bufr_keys_iterator_next(kiter)) {
char* name = codes_bufr_keys_iterator_get_name(kiter);
if (strcmp(name, "subsetNumber") == 0) continue;
if (!codes_bufr_key_is_header(h, name, &err) && !err) {
char name1[256] = {0,};
char scode[256] = {0,};
char X[3] = {0,}; // the 'X' part of FXY
size_t slen = 256;
snprintf(name1, 256, "%s->code", name);
int error = codes_get_string(h, name1, scode, &slen);
if (!error) {
assert(strlen(scode) == 6);
X[0] = scode[1];
X[1] = scode[2];
X[2] = 0;
int is_X_coord = is_coord_using_Xcode(X);
is_coord = codes_bufr_key_is_coordinate(h, name, &error);
assert(!error);
if (is_coord != is_X_coord) {
fprintf(stderr, "ERROR: %s X=%s is_coord=%d is_X_coord=%d\n", name, X, is_coord, is_X_coord);
return 1;
}
}
//printf(" name1 = %s \n",name1);
//assert( !codes_bufr_key_is_header(h, name1, &err) && !err );
}
else {
// header keys cannot be coordinate descriptors
is_coord = codes_bufr_key_is_coordinate(h, name, &err);
assert(!is_coord);
}
}
is_coord = codes_bufr_key_is_coordinate(h, "nosuchkey", &err);
assert(err == CODES_NOT_FOUND);
assert(is_coord == 0);
is_header = codes_bufr_key_is_header(h, "nosuchkey", &err);
assert(err == CODES_NOT_FOUND);
assert(is_header == 0);
codes_bufr_keys_iterator_delete(kiter);
codes_handle_delete(h);
}
fclose(fin);
return 0;
}
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