mirror of https://github.com/ecmwf/eccodes.git
88 lines
3.1 KiB
C++
88 lines
3.1 KiB
C++
/*
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* (C) Copyright 2005- ECMWF.
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*
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* This software is licensed under the terms of the Apache Licence Version 2.0
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* which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
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*
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* In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
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* virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
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*/
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#include "eccodes.h"
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#undef NDEBUG
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#include <assert.h>
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// Get the X part of a BUFR descriptor (FXY) and determine if it
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// is a coordinate.
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// See https://confluence.ecmwf.int/display/UDOC/What+are+coordinate+descriptors+-+ecCodes+BUFR+FAQ
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static int is_coord_using_Xcode(const char* X)
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{
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if (strcmp(X, "01") == 0) return 1;
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if (strcmp(X, "02") == 0) return 1;
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if (strcmp(X, "04") == 0) return 1;
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if (strcmp(X, "05") == 0) return 1;
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if (strcmp(X, "06") == 0) return 1;
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if (strcmp(X, "07") == 0) return 1;
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if (strcmp(X, "08") == 0) return 1;
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return 0;
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}
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int main(int argc, char* argv[])
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{
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int err = 0;
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codes_handle* h = NULL;
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char* filename = NULL;
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FILE* fin = NULL;
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int is_coord = 0;
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assert (argc == 2);
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filename = argv[1];
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fin = fopen(filename, "rb");
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assert(fin);
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while ((h = codes_handle_new_from_file(NULL, fin, PRODUCT_BUFR, &err)) != NULL || err != CODES_SUCCESS) {
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codes_bufr_keys_iterator* kiter = NULL;
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CODES_CHECK(codes_set_long(h, "unpack", 1), 0);
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kiter = codes_bufr_keys_iterator_new(h, 0);
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assert(kiter);
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while (codes_bufr_keys_iterator_next(kiter)) {
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char* name = codes_bufr_keys_iterator_get_name(kiter);
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if (strcmp(name, "subsetNumber") == 0) continue;
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if (!codes_bufr_key_is_header(h, name, &err) && !err) {
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char name1[256] = {0,};
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char scode[256] = {0,};
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char X[3] = {0,}; // the 'X' part of FXY
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size_t slen = 256;
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snprintf(name1, 256, "%s->code", name);
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int error = codes_get_string(h, name1, scode, &slen);
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if (!error) {
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assert(strlen(scode) == 6);
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X[0] = scode[1];
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X[1] = scode[2];
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X[2] = 0;
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int is_X_coord = is_coord_using_Xcode(X);
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is_coord = codes_bufr_key_is_coordinate(h, name, &error);
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assert(!error);
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if (is_coord != is_X_coord) {
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fprintf(stderr, "ERROR: %s X=%s is_coord=%d is_X_coord=%d\n", name, X, is_coord, is_X_coord);
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return 1;
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}
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}
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}
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else {
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// header keys cannot be coordinate descriptors
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is_coord = codes_bufr_key_is_coordinate(h, name, &err);
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assert(!is_coord);
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}
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}
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is_coord = codes_bufr_key_is_coordinate(h, "nosuchkey", &err);
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assert(err == CODES_NOT_FOUND);
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codes_bufr_keys_iterator_delete(kiter);
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codes_handle_delete(h);
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}
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fclose(fin);
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return 0;
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}
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