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
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
#include "version.h"
#include "opt.h"
#include "tok.h"
#include "../reqs/simple-opt/simple-opt.h"
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <string.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_STRING, 'u', "uthash-header", true,
"specify location header for uthash in the output (default is <uthash.h>)", "<file>" },
{ SIMPLE_OPT_STRING, 'n', "name-suffix", true,
"specify unique suffix to append to generated functions and types", "<file>" },
{ SIMPLE_OPT_END }
};
void opt_parse(int argc, char **argv)
{
struct simple_opt_result result;
size_t i;
char c, cend;
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, 80, 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);
}
/* check header */
if (options[4].was_seen) {
cend = options[4].val.v_string[0];
if (cend != '"' && cend != '<') {
fprintf(stderr, "%s: err: badly-formatted uthash header `%s`\n",
argv[0], options[4].val.v_string);
exit(EXIT_FAILURE);
}
if (cend == '<')
cend = '>';
for (i = 1, c = options[4].val.v_string[1];
c && c != cend && c != '\n';
c = options[4].val.v_string[++i]
);
if (c != cend
|| options[4].val.v_string[i+1] != '\0'
|| strlen(options[4].val.v_string) > TOK_MAX_LEN
|| options[4].val.v_string[2] == '\0'
) {
fprintf(stderr, "%s: err: badly-formatted uthash header `%s`\n",
argv[0], options[4].val.v_string);
exit(EXIT_FAILURE);
}
}
/* check suffix */
if (options[5].was_seen) {
if (options[5].val.v_string[0] == '\0') {
fprintf(stderr, "%s: err: badly-formatted name suffix ``\n",
argv[0]);
exit(EXIT_FAILURE);
}
for (i = 0; options[5].val.v_string[i] != '\0'; i++) {
if (!isalnum(options[5].val.v_string[i]) ) {
fprintf(stderr, "%s: err: badly-formatted name suffix `%s`\n",
argv[0], options[5].val.v_string);
exit(EXIT_FAILURE);
}
}
}
}
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);
}
const char* opt_header_str(void)
{
return (options[4].was_seen
? options[4].val.v_string
: NULL);
}
const char* opt_suffix_str(void)
{
return (options[5].was_seen
? options[5].val.v_string
: NULL);
}
|
