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parser: add some utils to parse values

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This commit is contained in:
Wim Taymans 2018-11-16 16:52:04 +01:00
parent 0303b7d1c5
commit 9d44d0b135
2 changed files with 41 additions and 2 deletions
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39
spa/include/spa/pod/parser.h
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@ -320,6 +320,45 @@ static inline int spa_pod_parser_get(struct spa_pod_parser *parser,
spa_pod_parser_get(&__p, "{", ##__VA_ARGS__, NULL); \
})
static inline int spa_pod_is_bool(struct spa_pod *pod)
{
return (SPA_POD_TYPE(pod) == SPA_TYPE_Bool && SPA_POD_BODY_SIZE(pod) >= sizeof(int32_t));
}
static inline int spa_pod_get_bool(struct spa_pod *pod, bool *value)
{
if (!spa_pod_is_bool(pod))
return -EINVAL;
*value = SPA_POD_VALUE(struct spa_pod_bool, pod);
return 0;
}
static inline int spa_pod_is_float(struct spa_pod *pod)
{
return (SPA_POD_TYPE(pod) == SPA_TYPE_Float && SPA_POD_BODY_SIZE(pod) >= sizeof(float));
}
static inline int spa_pod_get_float(struct spa_pod *pod, float *value)
{
if (!spa_pod_is_float(pod))
return -EINVAL;
*value = SPA_POD_VALUE(struct spa_pod_float, pod);
return 0;
}
static inline int spa_pod_is_double(struct spa_pod *pod)
{
return (SPA_POD_TYPE(pod) == SPA_TYPE_Double && SPA_POD_BODY_SIZE(pod) >= sizeof(double));
}
static inline int spa_pod_get_double(struct spa_pod *pod, double *value)
{
if (!spa_pod_is_double(pod))
return -EINVAL;
*value = SPA_POD_VALUE(struct spa_pod_double, pod);
return 0;
}
#ifdef __cplusplus
} /* extern "C" */
#endif