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libpulse: add proplist_from_string

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This commit is contained in:
Marc-André Lureau 2008-10-27 21:14:50 +02:00
parent 9e978c9770
commit 01f71ac7a1
4 changed files with 99 additions and 3 deletions
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84
src/pulse/proplist.c
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@ -291,6 +291,90 @@ char *pa_proplist_to_string(pa_proplist *p) {
return pa_strbuf_tostring_free(buf);
}
/* Remove all whitepsapce from the beginning and the end of *s. *s may
* be modified. (from conf-parser.c) */
#define WHITESPACE " \t\n"
#define in_string(c,s) (strchr(s,c) != NULL)
static char *strip(char *s) {
char *b = s+strspn(s, WHITESPACE);
char *e, *l = NULL;
for (e = b; *e; e++)
if (!in_string(*e, WHITESPACE))
l = e;
if (l)
*(l+1) = 0;
return b;
}
pa_proplist *pa_proplist_from_string(const char *str) {
pa_proplist *p;
char *s, *v, *k, *e;
pa_assert(str);
pa_assert_se(p = pa_proplist_new());
pa_assert_se(s = strdup(str));
for (k = s; *k; k = e) {
k = k+strspn(k, WHITESPACE);
if (!*k)
break;
if (!(v = strchr(k, '='))) {
pa_log("Missing '='.");
break;
}
*v++ = '\0';
k = strip(k);
v = v+strspn(v, WHITESPACE);
if (*v == '"') {
v++;
if (!(e = strchr(v, '"'))) { /* FIXME: handle escape */
pa_log("Missing '\"' at end of string value.");
break;
}
*e++ = '\0';
pa_proplist_sets(p, k, v);
} else {
uint8_t *blob;
if (*v++ != 'h' || *v++ != 'e' || *v++ != 'x' || *v++ != ':') {
pa_log("Value must be a string or \"hex:\"");
break;
}
e = v;
while (in_string(*e, "0123456789abcdefABCDEF"))
++e;
if ((e - v) % 2) {
pa_log("Invalid \"hex:\" value data");
break;
}
blob = pa_xmalloc((size_t)(e-v)/2);
if (pa_parsehex(v, blob, (e-v)/2) != ((e-v)/2)) {
pa_log("Invalid \"hex:\" value data");
pa_xfree(blob);
break;
}
pa_proplist_set(p, k, blob, (e-v)/2);
pa_xfree(blob);
}
}
pa_xfree(s);
return p;
}
int pa_proplist_contains(pa_proplist *p, const char *key) {
pa_assert(p);
pa_assert(key);