mirror of https://github.com/ecmwf/eccodes.git
74 lines
2.0 KiB
C
74 lines
2.0 KiB
C
/*
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* Copyright 2005-2019 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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#include <assert.h>
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static void usage(const char* prog)
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{
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printf("usage: %s [-a|-d] infile\n",prog);
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exit(1);
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}
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#define ITER_ALL_KEYS 1
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#define ITER_DATA_KEYS 2
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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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int i = 0;
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codes_handle* h = NULL;
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codes_bufr_keys_iterator* kiter = NULL;
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char* input_filename = NULL;
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const char* prog = argv[0];
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FILE* f = NULL;
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int iterator_mode = ITER_ALL_KEYS;
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if (argc == 1 || argc > 3)
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usage(prog);
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for (i = 1; i < argc; i++) {
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if (strcmp(argv[i],"-a")==0) {
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iterator_mode = ITER_ALL_KEYS;
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} else if (strcmp(argv[i],"-d")==0) {
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iterator_mode = ITER_DATA_KEYS;
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} else {
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input_filename = argv[i];
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break;/* Only 1 file allowed */
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}
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}
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assert(input_filename);
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f = fopen(input_filename, "rb");
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assert(f);
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h = codes_handle_new_from_file(NULL, f, PRODUCT_BUFR, &err);
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assert(h);
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CODES_CHECK(codes_set_long(h,"unpack",1), 0);
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if (iterator_mode == ITER_ALL_KEYS) {
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/*printf("Dumping ALL keys\n");*/
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kiter = codes_bufr_keys_iterator_new(h, 0);
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} else {
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/*printf("Dumping only DATA SECTION keys\n");*/
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assert(iterator_mode == ITER_DATA_KEYS);
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kiter=codes_bufr_data_section_keys_iterator_new(h);
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}
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while(codes_bufr_keys_iterator_next(kiter))
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{
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char* kname = codes_bufr_keys_iterator_get_name(kiter);
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printf("%s\n", kname);
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}
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codes_bufr_keys_iterator_delete(kiter);
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codes_handle_delete(h);
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return 0;
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}
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