/* PipeWire
*
* Copyright © 2018 Wim Taymans
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef PIPEWIRE_PROPERTIES_H
#define PIPEWIRE_PROPERTIES_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdarg.h>
#include <spa/utils/dict.h>
#include <spa/utils/string.h>
/** \defgroup pw_properties Properties
*
* Properties are used to pass around arbitrary key/value pairs.
* Both keys and values are strings which keeps things simple.
* Encoding of arbitrary values should be done by using a string
* serialization such as base64 for binary blobs.
*/
/**
* \addtogroup pw_properties
* \{
*/
struct pw_properties {
struct spa_dict dict; /**< dictionary of key/values */
uint32_t flags; /**< extra flags */
};
struct pw_properties *
pw_properties_new(const char *key, ...) SPA_SENTINEL;
struct pw_properties *
pw_properties_new_dict(const struct spa_dict *dict);
struct pw_properties *
pw_properties_new_string(const char *args);
struct pw_properties *
pw_properties_copy(const struct pw_properties *properties);
int pw_properties_update_keys(struct pw_properties *props,
const struct spa_dict *dict, const char * const keys[]);
int pw_properties_update_ignore(struct pw_properties *props,
const struct spa_dict *dict, const char * const ignore[]);
/* Update props with all key/value pairs from dict */
int pw_properties_update(struct pw_properties *props,
const struct spa_dict *dict);
/* Update props with all key/value pairs from str */
int pw_properties_update_string(struct pw_properties *props,
const char *str, size_t size);
int pw_properties_add(struct pw_properties *oldprops,
const struct spa_dict *dict);
int pw_properties_add_keys(struct pw_properties *oldprops,
const struct spa_dict *dict, const char * const keys[]);
void pw_properties_clear(struct pw_properties *properties);
void
pw_properties_free(struct pw_properties *properties);
int
pw_properties_set(struct pw_properties *properties, const char *key, const char *value);
int
pw_properties_setf(struct pw_properties *properties,
const char *key, const char *format, ...) SPA_PRINTF_FUNC(3, 4);
int
pw_properties_setva(struct pw_properties *properties,
const char *key, const char *format, va_list args) SPA_PRINTF_FUNC(3,0);
const char *
pw_properties_get(const struct pw_properties *properties, const char *key);
int
pw_properties_fetch_uint32(const struct pw_properties *properties, const char *key, uint32_t *value);
int
pw_properties_fetch_int32(const struct pw_properties *properties, const char *key, int32_t *value);
int
pw_properties_fetch_uint64(const struct pw_properties *properties, const char *key, uint64_t *value);
int
pw_properties_fetch_int64(const struct pw_properties *properties, const char *key, int64_t *value);
int
pw_properties_fetch_bool(const struct pw_properties *properties, const char *key, bool *value);
static inline uint32_t
pw_properties_get_uint32(const struct pw_properties *properties, const char *key, uint32_t deflt)
{
uint32_t val = deflt;
pw_properties_fetch_uint32(properties, key, &val);
return val;
}
static inline int32_t
pw_properties_get_int32(const struct pw_properties *properties, const char *key, int32_t deflt)
{
int32_t val = deflt;
pw_properties_fetch_int32(properties, key, &val);
return val;
}
static inline uint64_t
pw_properties_get_uint64(const struct pw_properties *properties, const char *key, uint64_t deflt)
{
uint64_t val = deflt;
pw_properties_fetch_uint64(properties, key, &val);
return val;
}
static inline int64_t
pw_properties_get_int64(const struct pw_properties *properties, const char *key, int64_t deflt)
{
int64_t val = deflt;
pw_properties_fetch_int64(properties, key, &val);
return val;
}
static inline bool
pw_properties_get_bool(const struct pw_properties *properties, const char *key, bool deflt)
{
bool val = deflt;
pw_properties_fetch_bool(properties, key, &val);
return val;
}
const char *
pw_properties_iterate(const struct pw_properties *properties, void **state);
#define PW_PROPERTIES_FLAG_NL (1<<0)
int pw_properties_serialize_dict(FILE *f, const struct spa_dict *dict, uint32_t flags);
static inline bool pw_properties_parse_bool(const char *value) {
return spa_atob(value);
}
static inline int pw_properties_parse_int(const char *value) {
int v;
return spa_atoi32(value, &v, 0) ? v: 0;
}
static inline int64_t pw_properties_parse_int64(const char *value) {
int64_t v;
return spa_atoi64(value, &v, 0) ? v : 0;
}
static inline uint64_t pw_properties_parse_uint64(const char *value) {
uint64_t v;
return spa_atou64(value, &v, 0) ? v : 0;
}
static inline float pw_properties_parse_float(const char *value) {
float v;
return spa_atof(value, &v) ? v : 0.0f;
}
static inline double pw_properties_parse_double(const char *value) {
double v;
return spa_atod(value, &v) ? v : 0.0;
}
/**
* \}
*/
#ifdef __cplusplus
}
#endif
#endif /* PIPEWIRE_PROPERTIES_H */
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