52 lines
1.1 KiB
C++
52 lines
1.1 KiB
C++
#include "input_parsing.h"
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#include "constants.h"
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#include <getopt.h>
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#include <stdlib.h>
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#include <iostream>
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ProgramOptions get_params(int argc, char *argv[])
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{
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int max_range = MAX_VALUES, num_entries = DEFAULT_NR_ENTRIES;
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bool is_seed_specified = false;
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static struct option long_options[] = {
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{"max-range", required_argument, 0, 'm' },
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{"num-entries", required_argument, 0, 'n' },
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{"seed", required_argument, 0, 's' },
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{0, 0, 0, 0 }
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};
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int option, option_index, seed = 0;
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while (( option = getopt_long(argc, argv, "m:n:s:", long_options, &option_index)))
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{
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if (option == -1)
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{
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break;
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}
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switch (option)
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{
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case 'm':
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max_range = atoi(optarg);
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break;
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case 'n':
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num_entries = atoi(optarg);
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break;
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case 's':
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is_seed_specified = true;
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seed = atoi(optarg);
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break;
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default:
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std::cerr << "Incorrect character code returned: %d\n" << option;
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}
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}
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using return_type = std::optional<int>;
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return {max_range, num_entries, is_seed_specified ? return_type(seed): std::nullopt};
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}
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