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properties.h
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1/* PipeWire */
2/* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
3/* SPDX-License-Identifier: MIT */
4
5#ifndef PIPEWIRE_PROPERTIES_H
6#define PIPEWIRE_PROPERTIES_H
7
8#ifdef __cplusplus
9extern "C" {
10#endif
11
12#include <stdarg.h>
13
14#include <spa/utils/cleanup.h>
15#include <spa/utils/dict.h>
16#include <spa/utils/string.h>
17
18#ifndef PW_API_PROPERTIES
19#define PW_API_PROPERTIES static inline
20#endif
21
34struct pw_properties {
35 struct spa_dict dict;
36 uint32_t flags;
37};
38
40pw_properties_new(const char *key, ...) SPA_SENTINEL;
42struct pw_properties *
44
45struct pw_properties *
47
48struct pw_properties *
49pw_properties_new_string_checked(const char *args, size_t size,
50 struct spa_error_location *loc);
51
52struct pw_properties *
53pw_properties_copy(const struct pw_properties *properties);
54
56 const struct spa_dict *dict, const char * const keys[]);
58 const struct spa_dict *dict, const char * const ignore[]);
59
60/* Update props with all key/value pairs from dict */
61int pw_properties_update(struct pw_properties *props,
62 const struct spa_dict *dict);
63
64/* Update props with all key/value pairs from str */
66 const char *str, size_t size);
67
69 const char *str, size_t size, struct spa_error_location *loc);
70
71int pw_properties_add(struct pw_properties *oldprops,
72 const struct spa_dict *dict);
73int pw_properties_add_keys(struct pw_properties *oldprops,
74 const struct spa_dict *dict, const char * const keys[]);
75
76void pw_properties_clear(struct pw_properties *properties);
77
78void
79pw_properties_free(struct pw_properties *properties);
80
81int
82pw_properties_set(struct pw_properties *properties, const char *key, const char *value);
83
84int
85pw_properties_setf(struct pw_properties *properties,
86 const char *key, const char *format, ...) SPA_PRINTF_FUNC(3, 4);
87int
88pw_properties_setva(struct pw_properties *properties,
89 const char *key, const char *format, va_list args) SPA_PRINTF_FUNC(3,0);
90const char *
91pw_properties_get(const struct pw_properties *properties, const char *key);
92
93int
94pw_properties_fetch_uint32(const struct pw_properties *properties, const char *key, uint32_t *value);
95
96int
97pw_properties_fetch_int32(const struct pw_properties *properties, const char *key, int32_t *value);
98
99int
100pw_properties_fetch_uint64(const struct pw_properties *properties, const char *key, uint64_t *value);
101
102int
103pw_properties_fetch_int64(const struct pw_properties *properties, const char *key, int64_t *value);
104
105int
106pw_properties_fetch_bool(const struct pw_properties *properties, const char *key, bool *value);
107
108PW_API_PROPERTIES uint32_t
109pw_properties_get_uint32(const struct pw_properties *properties, const char *key, uint32_t deflt)
110{
111 uint32_t val = deflt;
112 pw_properties_fetch_uint32(properties, key, &val);
113 return val;
115
116PW_API_PROPERTIES int32_t
117pw_properties_get_int32(const struct pw_properties *properties, const char *key, int32_t deflt)
118{
119 int32_t val = deflt;
120 pw_properties_fetch_int32(properties, key, &val);
121 return val;
123
124PW_API_PROPERTIES uint64_t
125pw_properties_get_uint64(const struct pw_properties *properties, const char *key, uint64_t deflt)
126{
127 uint64_t val = deflt;
128 pw_properties_fetch_uint64(properties, key, &val);
129 return val;
131
132PW_API_PROPERTIES int64_t
133pw_properties_get_int64(const struct pw_properties *properties, const char *key, int64_t deflt)
134{
135 int64_t val = deflt;
136 pw_properties_fetch_int64(properties, key, &val);
137 return val;
139
140
142pw_properties_get_bool(const struct pw_properties *properties, const char *key, bool deflt)
143{
144 bool val = deflt;
145 pw_properties_fetch_bool(properties, key, &val);
146 return val;
148
149const char *
150pw_properties_iterate(const struct pw_properties *properties, void **state);
151
152#define PW_PROPERTIES_FLAG_NL (1<<0)
153#define PW_PROPERTIES_FLAG_RECURSE (1<<1)
154#define PW_PROPERTIES_FLAG_ENCLOSE (1<<2)
155#define PW_PROPERTIES_FLAG_ARRAY (1<<3)
156#define PW_PROPERTIES_FLAG_COLORS (1<<4)
157int pw_properties_serialize_dict(FILE *f, const struct spa_dict *dict, uint32_t flags);
159PW_API_PROPERTIES bool pw_properties_parse_bool(const char *value) {
160 return spa_atob(value);
161}
163PW_API_PROPERTIES int pw_properties_parse_int(const char *value) {
164 int v;
165 return spa_atoi32(value, &v, 0) ? v: 0;
167
168PW_API_PROPERTIES int64_t pw_properties_parse_int64(const char *value) {
169 int64_t v;
170 return spa_atoi64(value, &v, 0) ? v : 0;
171}
172
174 uint64_t v;
175 return spa_atou64(value, &v, 0) ? v : 0;
176}
177
179 float v;
180 return spa_atof(value, &v) ? v : 0.0f;
181}
182
184 double v;
185 return spa_atod(value, &v) ? v : 0.0;
186}
187
192SPA_DEFINE_AUTOPTR_CLEANUP(pw_properties, struct pw_properties, {
193 spa_clear_ptr(*thing, pw_properties_free);
194})
195
196#ifdef __cplusplus
197}
198#endif
199
200#endif /* PIPEWIRE_PROPERTIES_H */
uint32_t int int const char va_list args
Definition core.h:434
void pw_properties_free(struct pw_properties *properties)
Free a properties object.
Definition properties.c:558
PW_API_PROPERTIES int pw_properties_parse_int(const char *value)
Definition properties.h:173
PW_API_PROPERTIES int64_t pw_properties_parse_int64(const char *value)
Definition properties.h:178
struct pw_properties * pw_properties_new(const char *key,...)
Make a new properties object.
Definition properties.c:97
PW_API_PROPERTIES float pw_properties_parse_float(const char *value)
Definition properties.h:188
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:300
int pw_properties_add(struct pw_properties *oldprops, const struct spa_dict *dict)
Add properties.
Definition properties.c:502
PW_API_PROPERTIES bool pw_properties_parse_bool(const char *value)
Definition properties.h:169
int pw_properties_fetch_bool(const struct pw_properties *properties, const char *key, bool *value)
Fetch a property as boolean value.
Definition properties.c:761
int pw_properties_update_ignore(struct pw_properties *props, const struct spa_dict *dict, const char *const ignore[])
Definition properties.c:433
int pw_properties_update(struct pw_properties *props, const struct spa_dict *dict)
Update properties.
Definition properties.c:477
const char * pw_properties_iterate(const struct pw_properties *properties, void **state)
Iterate property values.
Definition properties.c:785
struct pw_properties * pw_properties_new_dict(const struct spa_dict *dict)
Make a new properties object from the given dictionary.
Definition properties.c:132
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:707
int pw_properties_setf(struct pw_properties *properties, const char *key, const char *format,...)
Set a property value by format.
Definition properties.c:616
PW_API_PROPERTIES double pw_properties_parse_double(const char *value)
Definition properties.h:193
PW_API_PROPERTIES int64_t pw_properties_get_int64(const struct pw_properties *properties, const char *key, int64_t deflt)
Definition properties.h:138
const char * pw_properties_get(const struct pw_properties *properties, const char *key)
Get a property.
Definition properties.c:637
struct pw_properties * pw_properties_new_string(const char *args)
Make a new properties object from the given str.
Definition properties.c:345
PW_API_PROPERTIES int32_t pw_properties_get_int32(const struct pw_properties *properties, const char *key, int32_t deflt)
Definition properties.h:122
int pw_properties_set(struct pw_properties *properties, const char *key, const char *value)
Set a property value.
Definition properties.c:585
PW_API_PROPERTIES bool pw_properties_get_bool(const struct pw_properties *properties, const char *key, bool deflt)
Definition properties.h:147
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:404
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:734
PW_API_PROPERTIES uint32_t pw_properties_get_uint32(const struct pw_properties *properties, const char *key, uint32_t deflt)
Definition properties.h:114
void pw_properties_clear(struct pw_properties *properties)
Clear a properties object.
Definition properties.c:456
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:653
int pw_properties_update_string_checked(struct pw_properties *props, const char *str, size_t size, struct spa_error_location *loc)
Check str is a well-formed properties JSON string and update the properties on success.
Definition properties.c:326
PW_API_PROPERTIES uint64_t pw_properties_get_uint64(const struct pw_properties *properties, const char *key, uint64_t deflt)
Definition properties.h:130
int pw_properties_setva(struct pw_properties *properties, const char *key, const char *format, va_list args)
Definition properties.c:591
int pw_properties_add_keys(struct pw_properties *oldprops, const struct spa_dict *dict, const char *const keys[])
Add keys.
Definition properties.c:532
struct pw_properties * pw_properties_copy(const struct pw_properties *properties)
Copy a properties object.
Definition properties.c:391
struct pw_properties * pw_properties_new_string_checked(const char *args, size_t size, struct spa_error_location *loc)
Definition properties.c:366
PW_API_PROPERTIES uint64_t pw_properties_parse_uint64(const char *value)
Definition properties.h:183
int pw_properties_serialize_dict(FILE *f, const struct spa_dict *dict, uint32_t flags)
Definition properties.c:914
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:680
SPA_API_STRING 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:191
SPA_API_STRING bool spa_atof(const char *str, float *val)
Convert str to a float and store the result in val.
Definition string.h:297
SPA_API_STRING bool spa_atob(const char *str)
Convert str to a boolean.
Definition string.h:214
SPA_API_STRING 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:166
SPA_API_STRING 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:110
SPA_API_STRING bool spa_atod(const char *str, double *val)
Convert str to a double and store the result in val.
Definition string.h:347
#define SPA_PRINTF_FUNC(fmt, arg1)
Definition defs.h:295
#define SPA_SENTINEL
Definition defs.h:305
#define PW_API_PROPERTIES
Definition properties.h:24
spa/utils/string.h
Definition properties.h:39
struct spa_dict dict
dictionary of key/values
Definition properties.h:40
uint32_t flags
extra flags
Definition properties.h:41
Definition dict.h:51
Definition defs.h:439
spa/utils/dict.h