2 This file is part of PulseAudio.
4 Copyright 2007 Lennart Poettering
6 PulseAudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as
8 published by the Free Software Foundation; either version 2.1 of the
9 License, or (at your option) any later version.
11 PulseAudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with PulseAudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
29 #include <pulse/xmalloc.h>
30 #include <pulse/utf8.h>
32 #include <pulsecore/hashmap.h>
33 #include <pulsecore/strbuf.h>
34 #include <pulsecore/core-util.h>
44 #define MAKE_HASHMAP(p) ((pa_hashmap*) (p))
45 #define MAKE_PROPLIST(p) ((pa_proplist*) (p))
47 int pa_proplist_key_valid(const char *key
) {
49 if (!pa_ascii_valid(key
))
58 static void property_free(struct property
*prop
) {
62 pa_xfree(prop
->value
);
66 pa_proplist
* pa_proplist_new(void) {
67 return MAKE_PROPLIST(pa_hashmap_new_full(pa_idxset_string_hash_func
, pa_idxset_string_compare_func
, NULL
, (pa_free_cb_t
) property_free
));
70 void pa_proplist_free(pa_proplist
* p
) {
73 pa_hashmap_free(MAKE_HASHMAP(p
));
76 /** Will accept only valid UTF-8 */
77 int pa_proplist_sets(pa_proplist
*p
, const char *key
, const char *value
) {
78 struct property
*prop
;
85 if (!pa_proplist_key_valid(key
) || !pa_utf8_valid(value
))
88 if (!(prop
= pa_hashmap_get(MAKE_HASHMAP(p
), key
))) {
89 prop
= pa_xnew(struct property
, 1);
90 prop
->key
= pa_xstrdup(key
);
93 pa_xfree(prop
->value
);
95 prop
->value
= pa_xstrdup(value
);
96 prop
->nbytes
= strlen(value
)+1;
99 pa_hashmap_put(MAKE_HASHMAP(p
), prop
->key
, prop
);
104 /** Will accept only valid UTF-8 */
105 static int proplist_setn(pa_proplist
*p
, const char *key
, size_t key_length
, const char *value
, size_t value_length
) {
106 struct property
*prop
;
114 k
= pa_xstrndup(key
, key_length
);
115 v
= pa_xstrndup(value
, value_length
);
117 if (!pa_proplist_key_valid(k
) || !pa_utf8_valid(v
)) {
123 if (!(prop
= pa_hashmap_get(MAKE_HASHMAP(p
), k
))) {
124 prop
= pa_xnew(struct property
, 1);
128 pa_xfree(prop
->value
);
133 prop
->nbytes
= strlen(v
)+1;
136 pa_hashmap_put(MAKE_HASHMAP(p
), prop
->key
, prop
);
141 /** Will accept only valid UTF-8 */
142 int pa_proplist_setp(pa_proplist
*p
, const char *pair
) {
148 if (!(t
= strchr(pair
, '=')))
151 return proplist_setn(p
,
153 t
+ 1, strchr(pair
, 0) - t
- 1);
156 static int proplist_sethex(pa_proplist
*p
, const char *key
, size_t key_length
, const char *value
, size_t value_length
) {
157 struct property
*prop
;
167 k
= pa_xstrndup(key
, key_length
);
169 if (!pa_proplist_key_valid(k
)) {
174 v
= pa_xstrndup(value
, value_length
);
175 d
= pa_xmalloc(value_length
*2+1);
177 if ((dn
= pa_parsehex(v
, d
, value_length
*2)) == (size_t) -1) {
186 if (!(prop
= pa_hashmap_get(MAKE_HASHMAP(p
), k
))) {
187 prop
= pa_xnew(struct property
, 1);
191 pa_xfree(prop
->value
);
200 pa_hashmap_put(MAKE_HASHMAP(p
), prop
->key
, prop
);
205 /** Will accept only valid UTF-8 */
206 int pa_proplist_setf(pa_proplist
*p
, const char *key
, const char *format
, ...) {
207 struct property
*prop
;
216 if (!pa_proplist_key_valid(key
) || !pa_utf8_valid(format
))
219 va_start(ap
, format
);
220 v
= pa_vsprintf_malloc(format
, ap
);
223 if (!pa_utf8_valid(v
))
226 if (!(prop
= pa_hashmap_get(MAKE_HASHMAP(p
), key
))) {
227 prop
= pa_xnew(struct property
, 1);
228 prop
->key
= pa_xstrdup(key
);
231 pa_xfree(prop
->value
);
234 prop
->nbytes
= strlen(v
)+1;
237 pa_hashmap_put(MAKE_HASHMAP(p
), prop
->key
, prop
);
246 int pa_proplist_set(pa_proplist
*p
, const char *key
, const void *data
, size_t nbytes
) {
247 struct property
*prop
;
252 pa_assert(data
|| nbytes
== 0);
254 if (!pa_proplist_key_valid(key
))
257 if (!(prop
= pa_hashmap_get(MAKE_HASHMAP(p
), key
))) {
258 prop
= pa_xnew(struct property
, 1);
259 prop
->key
= pa_xstrdup(key
);
262 pa_xfree(prop
->value
);
264 prop
->value
= pa_xmalloc(nbytes
+1);
266 memcpy(prop
->value
, data
, nbytes
);
267 ((char*) prop
->value
)[nbytes
] = 0;
268 prop
->nbytes
= nbytes
;
271 pa_hashmap_put(MAKE_HASHMAP(p
), prop
->key
, prop
);
276 const char *pa_proplist_gets(pa_proplist
*p
, const char *key
) {
277 struct property
*prop
;
282 if (!pa_proplist_key_valid(key
))
285 if (!(prop
= pa_hashmap_get(MAKE_HASHMAP(p
), key
)))
288 if (prop
->nbytes
<= 0)
291 if (((char*) prop
->value
)[prop
->nbytes
-1] != 0)
294 if (strlen((char*) prop
->value
) != prop
->nbytes
-1)
297 if (!pa_utf8_valid((char*) prop
->value
))
300 return (char*) prop
->value
;
303 int pa_proplist_get(pa_proplist
*p
, const char *key
, const void **data
, size_t *nbytes
) {
304 struct property
*prop
;
311 if (!pa_proplist_key_valid(key
))
314 if (!(prop
= pa_hashmap_get(MAKE_HASHMAP(p
), key
)))
318 *nbytes
= prop
->nbytes
;
323 void pa_proplist_update(pa_proplist
*p
, pa_update_mode_t mode
, const pa_proplist
*other
) {
324 struct property
*prop
;
328 pa_assert(mode
== PA_UPDATE_SET
|| mode
== PA_UPDATE_MERGE
|| mode
== PA_UPDATE_REPLACE
);
331 if (mode
== PA_UPDATE_SET
)
332 pa_proplist_clear(p
);
334 /* MAKE_HASHMAP turns the const pointer into a non-const pointer, but
335 * that's ok, because we don't modify the hashmap contents. */
336 while ((prop
= pa_hashmap_iterate(MAKE_HASHMAP(other
), &state
, NULL
))) {
338 if (mode
== PA_UPDATE_MERGE
&& pa_proplist_contains(p
, prop
->key
))
341 pa_assert_se(pa_proplist_set(p
, prop
->key
, prop
->value
, prop
->nbytes
) == 0);
345 int pa_proplist_unset(pa_proplist
*p
, const char *key
) {
349 if (!pa_proplist_key_valid(key
))
352 if (pa_hashmap_remove_and_free(MAKE_HASHMAP(p
), key
) < 0)
358 int pa_proplist_unset_many(pa_proplist
*p
, const char * const keys
[]) {
359 const char * const * k
;
365 for (k
= keys
; *k
; k
++)
366 if (!pa_proplist_key_valid(*k
))
369 for (k
= keys
; *k
; k
++)
370 if (pa_proplist_unset(p
, *k
) >= 0)
376 const char *pa_proplist_iterate(pa_proplist
*p
, void **state
) {
377 struct property
*prop
;
379 if (!(prop
= pa_hashmap_iterate(MAKE_HASHMAP(p
), state
, NULL
)))
385 char *pa_proplist_to_string_sep(pa_proplist
*p
, const char *sep
) {
393 buf
= pa_strbuf_new();
395 while ((key
= pa_proplist_iterate(p
, &state
))) {
398 if (!pa_strbuf_isempty(buf
))
399 pa_strbuf_puts(buf
, sep
);
401 if ((v
= pa_proplist_gets(p
, key
))) {
404 pa_strbuf_printf(buf
, "%s = \"", key
);
409 h
= strcspn(t
, "\"");
412 pa_strbuf_putsn(buf
, t
, h
);
419 pa_assert(*t
== '"');
420 pa_strbuf_puts(buf
, "\\\"");
425 pa_strbuf_puts(buf
, "\"");
431 pa_assert_se(pa_proplist_get(p
, key
, &value
, &nbytes
) == 0);
432 c
= pa_xmalloc(nbytes
*2+1);
433 pa_hexstr((const uint8_t*) value
, nbytes
, c
, nbytes
*2+1);
435 pa_strbuf_printf(buf
, "%s = hex:%s", key
, c
);
440 return pa_strbuf_tostring_free(buf
);
443 char *pa_proplist_to_string(pa_proplist
*p
) {
446 s
= pa_proplist_to_string_sep(p
, "\n");
447 t
= pa_sprintf_malloc("%s\n", s
);
453 pa_proplist
*pa_proplist_from_string(const char *s
) {
461 VALUE_DOUBLE_QUOTES_ESCAPE
,
468 const char *p
, *key
= NULL
, *value
= NULL
;
469 size_t key_len
= 0, value_len
= 0;
473 pl
= pa_proplist_new();
485 else if (!isspace(*p
)) {
497 else if (isspace(*p
))
508 else if (!isspace(*p
))
515 else if (strncmp(p
, "hex:", 4) == 0) {
520 } else if (*p
== '\'') {
524 } else if (*p
== '"') {
525 state
= VALUE_DOUBLE_QUOTES
;
528 } else if (!isspace(*p
)) {
529 state
= VALUE_SIMPLE
;
536 if (*p
== 0 || isspace(*p
)) {
537 if (proplist_setn(pl
, key
, key_len
, value
, value_len
) < 0)
548 case VALUE_DOUBLE_QUOTES
:
551 else if (*p
== '"') {
554 v
= pa_unescape(pa_xstrndup(value
, value_len
));
556 if (proplist_setn(pl
, key
, key_len
, v
, strlen(v
)) < 0) {
563 } else if (*p
== '\\') {
564 state
= VALUE_DOUBLE_QUOTES_ESCAPE
;
570 case VALUE_DOUBLE_QUOTES_ESCAPE
:
574 state
= VALUE_DOUBLE_QUOTES
;
582 else if (*p
== '\'') {
585 v
= pa_unescape(pa_xstrndup(value
, value_len
));
587 if (proplist_setn(pl
, key
, key_len
, v
, strlen(v
)) < 0) {
594 } else if (*p
== '\\') {
595 state
= VALUE_TICKS_ESCAPED
;
601 case VALUE_TICKS_ESCAPED
:
611 if ((*p
>= '0' && *p
<= '9') ||
612 (*p
>= 'A' && *p
<= 'F') ||
613 (*p
>= 'a' && *p
<= 'f')) {
615 } else if (*p
== 0 || isspace(*p
)) {
617 if (proplist_sethex(pl
, key
, key_len
, value
, value_len
) < 0)
631 return MAKE_PROPLIST(pl
);
634 pa_proplist_free(pl
);
638 int pa_proplist_contains(pa_proplist
*p
, const char *key
) {
642 if (!pa_proplist_key_valid(key
))
645 if (!(pa_hashmap_get(MAKE_HASHMAP(p
), key
)))
651 void pa_proplist_clear(pa_proplist
*p
) {
654 pa_hashmap_remove_all(MAKE_HASHMAP(p
));
657 pa_proplist
* pa_proplist_copy(const pa_proplist
*p
) {
660 pa_assert_se(copy
= pa_proplist_new());
663 pa_proplist_update(copy
, PA_UPDATE_REPLACE
, p
);
668 unsigned pa_proplist_size(pa_proplist
*p
) {
671 return pa_hashmap_size(MAKE_HASHMAP(p
));
674 int pa_proplist_isempty(pa_proplist
*p
) {
677 return pa_hashmap_isempty(MAKE_HASHMAP(p
));
680 int pa_proplist_equal(pa_proplist
*a
, pa_proplist
*b
) {
681 const void *key
= NULL
;
682 struct property
*a_prop
= NULL
;
683 struct property
*b_prop
= NULL
;
692 if (pa_proplist_size(a
) != pa_proplist_size(b
))
695 while ((a_prop
= pa_hashmap_iterate(MAKE_HASHMAP(a
), &state
, &key
))) {
696 if (!(b_prop
= pa_hashmap_get(MAKE_HASHMAP(b
), key
)))
699 if (a_prop
->nbytes
!= b_prop
->nbytes
)
702 if (memcmp(a_prop
->value
, b_prop
->value
, a_prop
->nbytes
) != 0)