PipeWire  0.3.59
properties.h
Go to the documentation of this file.
1 /* PipeWire
2  *
3  * Copyright © 2018 Wim Taymans
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice (including the next
13  * paragraph) shall be included in all copies or substantial portions of the
14  * Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22  * DEALINGS IN THE SOFTWARE.
23  */
24 
25 #ifndef PIPEWIRE_PROPERTIES_H
26 #define PIPEWIRE_PROPERTIES_H
27 
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
31 
32 #include <stdarg.h>
33 
34 #include <spa/utils/dict.h>
35 #include <spa/utils/string.h>
36 
49 struct pw_properties {
50  struct spa_dict dict;
51  uint32_t flags;
52 };
53 
54 struct pw_properties *
55 pw_properties_new(const char *key, ...) SPA_SENTINEL;
56 
57 struct pw_properties *
58 pw_properties_new_dict(const struct spa_dict *dict);
59 
60 struct pw_properties *
61 pw_properties_new_string(const char *args);
62 
63 struct pw_properties *
64 pw_properties_copy(const struct pw_properties *properties);
65 
67  const struct spa_dict *dict, const char * const keys[]);
69  const struct spa_dict *dict, const char * const ignore[]);
70 
71 /* Update props with all key/value pairs from dict */
72 int pw_properties_update(struct pw_properties *props,
73  const struct spa_dict *dict);
74 /* Update props with all key/value pairs from str */
76  const char *str, size_t size);
77 
78 int pw_properties_add(struct pw_properties *oldprops,
79  const struct spa_dict *dict);
80 int pw_properties_add_keys(struct pw_properties *oldprops,
81  const struct spa_dict *dict, const char * const keys[]);
82 
83 void pw_properties_clear(struct pw_properties *properties);
84 
85 void
86 pw_properties_free(struct pw_properties *properties);
87 
88 int
89 pw_properties_set(struct pw_properties *properties, const char *key, const char *value);
90 
91 int
92 pw_properties_setf(struct pw_properties *properties,
93  const char *key, const char *format, ...) SPA_PRINTF_FUNC(3, 4);
94 int
95 pw_properties_setva(struct pw_properties *properties,
96  const char *key, const char *format, va_list args) SPA_PRINTF_FUNC(3,0);
97 const char *
98 pw_properties_get(const struct pw_properties *properties, const char *key);
99 
100 int
101 pw_properties_fetch_uint32(const struct pw_properties *properties, const char *key, uint32_t *value);
102 
103 int
104 pw_properties_fetch_int32(const struct pw_properties *properties, const char *key, int32_t *value);
105 
106 int
107 pw_properties_fetch_uint64(const struct pw_properties *properties, const char *key, uint64_t *value);
108 
109 int
110 pw_properties_fetch_int64(const struct pw_properties *properties, const char *key, int64_t *value);
111 
112 int
113 pw_properties_fetch_bool(const struct pw_properties *properties, const char *key, bool *value);
114 
115 static inline uint32_t
116 pw_properties_get_uint32(const struct pw_properties *properties, const char *key, uint32_t deflt)
117 {
118  uint32_t val = deflt;
119  pw_properties_fetch_uint32(properties, key, &val);
120  return val;
121 }
122 
123 static inline int32_t
124 pw_properties_get_int32(const struct pw_properties *properties, const char *key, int32_t deflt)
125 {
126  int32_t val = deflt;
127  pw_properties_fetch_int32(properties, key, &val);
128  return val;
129 }
130 
131 static inline uint64_t
132 pw_properties_get_uint64(const struct pw_properties *properties, const char *key, uint64_t deflt)
133 {
134  uint64_t val = deflt;
135  pw_properties_fetch_uint64(properties, key, &val);
136  return val;
137 }
138 
139 static inline int64_t
140 pw_properties_get_int64(const struct pw_properties *properties, const char *key, int64_t deflt)
141 {
142  int64_t val = deflt;
143  pw_properties_fetch_int64(properties, key, &val);
144  return val;
145 }
146 
147 
148 static inline bool
149 pw_properties_get_bool(const struct pw_properties *properties, const char *key, bool deflt)
150 {
151  bool val = deflt;
152  pw_properties_fetch_bool(properties, key, &val);
153  return val;
154 }
155 
156 const char *
157 pw_properties_iterate(const struct pw_properties *properties, void **state);
158 
159 #define PW_PROPERTIES_FLAG_NL (1<<0)
160 int pw_properties_serialize_dict(FILE *f, const struct spa_dict *dict, uint32_t flags);
161 
162 static inline bool pw_properties_parse_bool(const char *value) {
163  return spa_atob(value);
164 }
165 
166 static inline int pw_properties_parse_int(const char *value) {
167  int v;
168  return spa_atoi32(value, &v, 0) ? v: 0;
169 }
170 
171 static inline int64_t pw_properties_parse_int64(const char *value) {
172  int64_t v;
173  return spa_atoi64(value, &v, 0) ? v : 0;
174 }
175 
176 static inline uint64_t pw_properties_parse_uint64(const char *value) {
177  uint64_t v;
178  return spa_atou64(value, &v, 0) ? v : 0;
179 }
180 
181 static inline float pw_properties_parse_float(const char *value) {
182  float v;
183  return spa_atof(value, &v) ? v : 0.0f;
184 }
185 
186 static inline double pw_properties_parse_double(const char *value) {
187  double v;
188  return spa_atod(value, &v) ? v : 0.0;
189 }
190 
195 #ifdef __cplusplus
196 }
197 #endif
198 
199 #endif /* PIPEWIRE_PROPERTIES_H */
void pw_properties_free(struct pw_properties *properties)
Free a properties object.
Definition: properties.c:368
int pw_properties_update_string(struct pw_properties *props, const char *str, size_t size)
Update the properties from the given string, overwriting any existing keys with the new values from s...
Definition: properties.c:158
static bool pw_properties_get_bool(const struct pw_properties *properties, const char *key, bool deflt)
Definition: properties.h:153
static int64_t pw_properties_parse_int64(const char *value)
Definition: properties.h:176
static int pw_properties_parse_int(const char *value)
Definition: properties.h:171
int pw_properties_add(struct pw_properties *oldprops, const struct spa_dict *dict)
Add properties.
Definition: properties.c:323
static bool pw_properties_parse_bool(const char *value)
Definition: properties.h:167
int pw_properties_fetch_bool(const struct pw_properties *properties, const char *key, bool *value)
Fetch a property as boolean value.
Definition: properties.c:621
int pw_properties_update_ignore(struct pw_properties *props, const struct spa_dict *dict, const char *const ignore[])
Definition: properties.c:263
int pw_properties_setf(struct pw_properties *properties, const char *key, const char *format,...) 1(3
int pw_properties_update(struct pw_properties *props, const struct spa_dict *dict)
Update properties.
Definition: properties.c:302
int pw_properties_fetch_uint64(const struct pw_properties *properties, const char *key, uint64_t *value)
Fetch a property as uint64_t.
Definition: properties.c:567
static float pw_properties_parse_float(const char *value)
Definition: properties.h:186
struct pw_properties * pw_properties_new(const char *key,...) 1
Make a new properties object.
Definition: properties.c:102
static uint64_t pw_properties_get_uint64(const struct pw_properties *properties, const char *key, uint64_t deflt)
Definition: properties.h:136
int pw_properties_set(struct pw_properties *properties, const char *key, const char *value)
Set a property value.
Definition: properties.c:439
struct pw_properties * pw_properties_copy(const struct pw_properties *properties)
Copy a properties object.
Definition: properties.c:226
struct pw_properties * pw_properties_new_string(const char *args)
Make a new properties object from the given str.
Definition: properties.c:201
static int64_t pw_properties_get_int64(const struct pw_properties *properties, const char *key, int64_t deflt)
Definition: properties.h:144
static int32_t pw_properties_get_int32(const struct pw_properties *properties, const char *key, int32_t deflt)
Definition: properties.h:128
struct pw_properties * pw_properties_new_dict(const struct spa_dict *dict)
Make a new properties object from the given dictionary.
Definition: properties.c:130
int pw_properties_update_keys(struct pw_properties *props, const struct spa_dict *dict, const char *const keys[])
Copy multiple keys from one property to another.
Definition: properties.c:239
int pw_properties_fetch_int64(const struct pw_properties *properties, const char *key, int64_t *value)
Fetch a property as int64_t.
Definition: properties.c:594
static uint64_t pw_properties_parse_uint64(const char *value)
Definition: properties.h:181
void pw_properties_clear(struct pw_properties *properties)
Clear a properties object.
Definition: properties.c:281
const char * pw_properties_iterate(const struct pw_properties *properties, void **state)
Iterate property values.
Definition: properties.c:645
static double pw_properties_parse_double(const char *value)
Definition: properties.h:191
int pw_properties_fetch_uint32(const struct pw_properties *properties, const char *key, uint32_t *value)
Fetch a property as uint32_t.
Definition: properties.c:513
int int pw_properties_setva(struct pw_properties *properties, const char *key, const char *format, va_list args) 1(3
int pw_properties_add_keys(struct pw_properties *oldprops, const struct spa_dict *dict, const char *const keys[])
Add keys.
Definition: properties.c:347
static uint32_t pw_properties_get_uint32(const struct pw_properties *properties, const char *key, uint32_t deflt)
Definition: properties.h:120
int int const char * pw_properties_get(const struct pw_properties *properties, const char *key)
Get a property.
Definition: properties.c:491
int pw_properties_serialize_dict(FILE *f, const struct spa_dict *dict, uint32_t flags)
Definition: properties.c:702
int pw_properties_fetch_int32(const struct pw_properties *properties, const char *key, int32_t *value)
Fetch a property as int32_t.
Definition: properties.c:540
static bool spa_atod(const char *str, double *val)
Convert str to a double and store the result in val.
Definition: string.h:357
static bool spa_atou64(const char *str, uint64_t *val, int base)
Convert str to an uint64_t with the given base and store the result in val.
Definition: string.h:201
static bool spa_atob(const char *str)
Convert str to a boolean.
Definition: string.h:224
static bool spa_atoi64(const char *str, int64_t *val, int base)
Convert str to an int64_t with the given base and store the result in val.
Definition: string.h:176
static bool spa_atoi32(const char *str, int32_t *val, int base)
Convert str to an int32_t with the given base and store the result in val.
Definition: string.h:120
static bool spa_atof(const char *str, float *val)
Convert str to a float and store the result in val.
Definition: string.h:307
#define SPA_PRINTF_FUNC(fmt, arg1)
Definition: defs.h:289
#define SPA_SENTINEL
Definition: defs.h:299
spa/utils/string.h
Definition: properties.h:53
struct spa_dict dict
dictionary of key/values
Definition: properties.h:54
uint32_t flags
extra flags
Definition: properties.h:55
Definition: dict.h:59
spa/utils/dict.h