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parser: add more parser helpers

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This commit is contained in:
Wim Taymans 2019-01-04 10:00:12 +01:00
parent a41624d48b
commit 3480765561
1 changed files with 41 additions and 0 deletions
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41
spa/include/spa/pod/parser.h
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@ -359,6 +359,19 @@ static inline int spa_pod_get_double(struct spa_pod *pod, double *value)
return 0; return 0;
} }
static inline int spa_pod_is_id(struct spa_pod *pod)
{
return (SPA_POD_TYPE(pod) == SPA_TYPE_Id && SPA_POD_BODY_SIZE(pod) >= sizeof(uint32_t));
}
static inline int spa_pod_get_id(struct spa_pod *pod, uint32_t *value)
{
if (!spa_pod_is_id(pod))
return -EINVAL;
*value = SPA_POD_VALUE(struct spa_pod_id, pod);
return 0;
}
static inline int spa_pod_is_int(struct spa_pod *pod) static inline int spa_pod_is_int(struct spa_pod *pod)
{ {
return (SPA_POD_TYPE(pod) == SPA_TYPE_Int && SPA_POD_BODY_SIZE(pod) >= sizeof(int32_t)); return (SPA_POD_TYPE(pod) == SPA_TYPE_Int && SPA_POD_BODY_SIZE(pod) >= sizeof(int32_t));
@ -386,6 +399,34 @@ static inline int spa_pod_dup_string(struct spa_pod *pod, size_t maxlen, char *d
return 0; return 0;
} }
static inline int spa_pod_is_rectangle(struct spa_pod *pod)
{
return (SPA_POD_TYPE(pod) == SPA_TYPE_Rectangle &&
SPA_POD_BODY_SIZE(pod) >= sizeof(struct spa_rectangle));
}
static inline int spa_pod_get_rectangle(struct spa_pod *pod, struct spa_rectangle *value)
{
if (!spa_pod_is_rectangle(pod))
return -EINVAL;
*value = SPA_POD_VALUE(struct spa_pod_rectangle, pod);
return 0;
}
static inline int spa_pod_is_fraction(struct spa_pod *pod)
{
return (SPA_POD_TYPE(pod) == SPA_TYPE_Fraction &&
SPA_POD_BODY_SIZE(pod) >= sizeof(struct spa_fraction));
}
static inline int spa_pod_get_fraction(struct spa_pod *pod, struct spa_fraction *value)
{
if (!spa_pod_is_fraction(pod))
return -EINVAL;
*value = SPA_POD_VALUE(struct spa_pod_fraction, pod);
return 0;
}
#ifdef __cplusplus #ifdef __cplusplus
} /* extern "C" */ } /* extern "C" */
#endif #endif