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
|
%{
#include <stdio.h>
#include <stdlib.h>
#include "utils/string.h"
char *
cpyval(size_t number,
size_t size,
char *value)
{
char *dest = calloc(number, size);
return strcat(dest, value);
}
%}
%token KEY DIV VALUE
%union
{
char *value;
}
%%
properties: property
| properties property
;
property: KEY DIV value {
printf("<%s> ---> <%s>\n", $1.value, trim($3.value));
}
| KEY DIV {
printf("<%s> ---> NO VALUE\n", $1.value);
}
;
value: DIV {
$$.value = cpyval(2, sizeof(char), $1.value);
}
| value DIV {
char *s = strdup($$.value);
$$.value = calloc(strlen(s) + strlen($2.value) + 1, sizeof(char));
strcat($$.value, s);
strcat($$.value, $2.value);
}
| VALUE {
$$.value = cpyval(2, sizeof(char), $1.value);
}
| value VALUE {
char *s = strdup($$.value);
$$.value = calloc(strlen(s) + strlen($2.value) + 1, sizeof(char));
strcat($$.value, s);
strcat($$.value, $2.value);
}
;
%%
extern FILE *yyin;
void
properties_load(FILE *file)
{
if (file == NULL) {
fprintf(stderr, "No file to read.\n");
exit(1);
}
yyin = file;
do {
yyparse();
} while(!feof(yyin));
}
void
yyerror(char *s)
{
fprintf(stderr, "%s\n", s);
}
|
