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/***
This file is part of PulseAudio.
Copyright 2004-2006 Lennart Poettering
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2.1 of the License,
or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <string.h>
#include <stdio.h>
#include <pulse/xmalloc.h>
#include <pulsecore/source.h>
#include <pulsecore/sink.h>
#include <pulsecore/core-subscribe.h>
#include <pulsecore/core-util.h>
#include <pulsecore/macro.h>
#include "namereg.h"
struct namereg_entry {
pa_namereg_type_t type;
char *name;
void *data;
};
static bool is_valid_char(char c) {
return
(c >= 'a' && c <= 'z') ||
(c >= 'A' && c <= 'Z') ||
(c >= '0' && c <= '9') ||
c == '.' ||
c == '-' ||
c == '_';
}
bool pa_namereg_is_valid_name(const char *name) {
const char *c;
pa_assert(name);
if (*name == 0)
return false;
for (c = name; *c && (c-name < PA_NAME_MAX); c++)
if (!is_valid_char(*c))
return false;
if (*c)
return false;
return true;
}
bool pa_namereg_is_valid_name_or_wildcard(const char *name, pa_namereg_type_t type) {
pa_assert(name);
if (pa_namereg_is_valid_name(name))
return true;
if (type == PA_NAMEREG_SINK &&
pa_streq(name, "@DEFAULT_SINK@"))
return true;
if (type == PA_NAMEREG_SOURCE &&
(pa_streq(name, "@DEFAULT_SOURCE@") ||
pa_streq(name, "@DEFAULT_MONITOR@")))
return true;
return false;
}
char* pa_namereg_make_valid_name(const char *name) {
const char *a;
char *b, *n;
if (*name == 0)
return NULL;
n = pa_xnew(char, strlen(name)+1);
for (a = name, b = n; *a && (a-name < PA_NAME_MAX); a++, b++)
*b = (char) (is_valid_char(*a) ? *a : '_');
*b = 0;
return n;
}
const char *pa_namereg_register(pa_core *c, const char *name, pa_namereg_type_t type, void *data, bool fail) {
struct namereg_entry *e;
char *n = NULL;
pa_assert(c);
pa_assert(name);
pa_assert(data);
if (!*name)
return NULL;
if ((type == PA_NAMEREG_SINK || type == PA_NAMEREG_SOURCE || type == PA_NAMEREG_CARD) &&
!pa_namereg_is_valid_name(name)) {
if (fail)
return NULL;
if (!(name = n = pa_namereg_make_valid_name(name)))
return NULL;
}
if ((e = pa_hashmap_get(c->namereg, name)) && fail) {
pa_xfree(n);
return NULL;
}
if (e) {
unsigned i;
size_t l = strlen(name);
char *k;
if (l+4 > PA_NAME_MAX) {
pa_xfree(n);
return NULL;
}
k = pa_xmalloc(l+4);
for (i = 2; i <= 99; i++) {
pa_snprintf(k, l+4, "%s.%u", name, i);
if (!(e = pa_hashmap_get(c->namereg, k)))
break;
}
if (e) {
pa_xfree(n);
pa_xfree(k);
return NULL;
}
pa_xfree(n);
n = k;
}
e = pa_xnew(struct namereg_entry, 1);
e->type = type;
e->name = n ? n : pa_xstrdup(name);
e->data = data;
pa_assert_se(pa_hashmap_put(c->namereg, e->name, e) >= 0);
return e->name;
}
void pa_namereg_unregister(pa_core *c, const char *name) {
struct namereg_entry *e;
pa_assert(c);
pa_assert(name);
pa_assert_se(e = pa_hashmap_remove(c->namereg, name));
pa_xfree(e->name);
pa_xfree(e);
}
void* pa_namereg_get(pa_core *c, const char *name, pa_namereg_type_t type) {
struct namereg_entry *e;
uint32_t idx;
pa_assert(c);
if (type == PA_NAMEREG_SOURCE && (!name || pa_streq(name, "@DEFAULT_SOURCE@"))) {
return c->default_source;
} else if (type == PA_NAMEREG_SINK && (!name || pa_streq(name, "@DEFAULT_SINK@"))) {
return c->default_sink;
} else if (type == PA_NAMEREG_SOURCE && name && pa_streq(name, "@DEFAULT_MONITOR@")) {
if (c->default_sink)
return c->default_sink->monitor_source;
else
return NULL;
}
if (!name)
return NULL;
if ((type == PA_NAMEREG_SINK || type == PA_NAMEREG_SOURCE || type == PA_NAMEREG_CARD) &&
!pa_namereg_is_valid_name(name))
return NULL;
if ((e = pa_hashmap_get(c->namereg, name)))
if (e->type == type)
return e->data;
if (pa_atou(name, &idx) < 0)
return NULL;
if (type == PA_NAMEREG_SINK)
return pa_idxset_get_by_index(c->sinks, idx);
else if (type == PA_NAMEREG_SOURCE)
return pa_idxset_get_by_index(c->sources, idx);
else if (type == PA_NAMEREG_SAMPLE && c->scache)
return pa_idxset_get_by_index(c->scache, idx);
else if (type == PA_NAMEREG_CARD)
return pa_idxset_get_by_index(c->cards, idx);
return NULL;
}
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