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
|
#include <stdlib.h>
#include <string.h>
#include "xml.h"
static char *gettag(char *xml, int *pos);
static char *getvalue(char *xml, int *pos);
map_t *decode(char *xml, int *len)
{
if (*len)
++(*len);
else
*len = 1;
map_t *decoded = calloc(1, sizeof(map_t));
decoded->payload = NULL;
char *tag = NULL;
int err = 0;
for (int i = 0; i < strlen(xml); ++i) {
if (xml[i] == '<') {
++i;
if (xml[i] == '/') {
++i;
char *tmp = gettag(xml, &i);
if (!strcmp(tag, tmp)) {
free(tmp);
goto end;
}
else
free(tmp);
}
else if (!tag)
tag = gettag(xml, &i);
} else if (xml[i] == '>') {
++i;
// TODO: figure out recursive calls
if (xml[i] == '<')
;
else {
char *value = getvalue(xml, &i);
printf("%s\n", value);
free(value);
}
}
}
end:
if (err) {
free(decoded);
decoded = NULL;
}
free(tag);
return decoded;
}
static char *gettag(char *xml, int *pos)
{
int len, i;
for (i = *pos, len = 0; xml[i] != '>'; ++i, ++len) ;
char *title = calloc(len + 1, sizeof(char));
strncpy(title, xml + *pos, len);
*pos += len - 1;
return title;
}
static char *getvalue(char *xml, int *pos)
{
int len, i;
for (i = *pos, len = 0; xml[i] != '<'; ++i, ++len) ;
char *value = calloc(len + 1, sizeof(char));
strncpy(value, xml + *pos, len);
*pos += len - 1;
return value;
}
|
