1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
#include "version.h"
#include "opt.h"
#include "../reqs/simple-opt/simple-opt.h"
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
static struct simple_opt options[] = {
{ SIMPLE_OPT_FLAG, 'h', "help", false,
"print this help message and exit" },
{ SIMPLE_OPT_FLAG, 'v', "version", false,
"print the version of confconf in use and exit" },
{ SIMPLE_OPT_STRING, 'i', "input", true,
"specify file to read from (default is stdin)", "<file>" },
{ SIMPLE_OPT_STRING, 'o', "output", true,
"specify file to write to (default is stdout)", "<file>" },
{ SIMPLE_OPT_END }
};
void opt_parse(int argc, char **argv)
{
struct simple_opt_result result;
result = simple_opt_parse(argc, argv, options);
/* parse err */
if (result.result_type != SIMPLE_OPT_RESULT_SUCCESS) {
simple_opt_print_error(stderr, 80, argv[0], result);
exit(EXIT_FAILURE);
}
/* help */
if (options[0].was_seen) {
simple_opt_print_usage(stdout, 70, argv[0],
"[-i input.confconf] [-o output.h]",
"confconf is a config file parser generator for C",
options);
exit(EXIT_SUCCESS);
}
/* version */
if (options[1].was_seen) {
puts(VERSION);
exit(EXIT_SUCCESS);
}
}
const char* opt_infile_str(void)
{
return (options[2].was_seen
? options[2].val.v_string
: NULL);
}
const char* opt_outfile_str(void)
{
return (options[3].was_seen
? options[3].val.v_string
: NULL);
}
|
