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pod: add more helpers

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Implement more unit-tests
This commit is contained in:
Wim Taymans 2019-01-17 17:23:47 +01:00
parent 767e7efc0e
commit 2622e085a9
12 changed files with 745 additions and 182 deletions
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270
spa/include/spa/pod/iter.h
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@ -112,11 +112,17 @@ static inline struct spa_pod_control *spa_pod_control_next(const struct spa_pod_
(iter) < (__typeof__(iter))SPA_MEMBER((body), (_size), void); \
(iter) = (__typeof__(iter))SPA_MEMBER((iter), (body)->child.size, void))
#define SPA_POD_ARRAY_FOREACH(obj, iter) \
SPA_POD_ARRAY_BODY_FOREACH(&(obj)->body, SPA_POD_BODY_SIZE(obj), iter)
#define SPA_POD_CHOICE_BODY_FOREACH(body, _size, iter) \
for ((iter) = (__typeof__(iter))SPA_MEMBER((body), sizeof(struct spa_pod_choice_body), void); \
(iter) < (__typeof__(iter))SPA_MEMBER((body), (_size), void); \
(iter) = (__typeof__(iter))SPA_MEMBER((iter), (body)->child.size, void))
#define SPA_POD_CHOICE_FOREACH(obj, iter) \
SPA_POD_CHOICE_BODY_FOREACH(&(obj)->body, SPA_POD_BODY_SIZE(obj), iter)
#define SPA_POD_FOREACH(pod, size, iter) \
for ((iter) = (pod); \
spa_pod_is_inside(pod, size, iter); \
@ -141,34 +147,274 @@ static inline struct spa_pod_control *spa_pod_control_next(const struct spa_pod_
#define SPA_POD_SEQUENCE_FOREACH(seq, iter) \
SPA_POD_SEQUENCE_BODY_FOREACH(&(seq)->body, SPA_POD_BODY_SIZE(seq), iter)
static inline struct spa_pod_prop *spa_pod_find_prop(const struct spa_pod *pod, uint32_t key)
static inline int spa_pod_is_none(const struct spa_pod *pod)
{
return (SPA_POD_TYPE(pod) == SPA_TYPE_None);
}
static inline int spa_pod_is_bool(const 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(const 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_id(const 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(const 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(const struct spa_pod *pod)
{
return (SPA_POD_TYPE(pod) == SPA_TYPE_Int && SPA_POD_BODY_SIZE(pod) >= sizeof(int32_t));
}
static inline int spa_pod_get_int(const struct spa_pod *pod, int32_t *value)
{
if (!spa_pod_is_int(pod))
return -EINVAL;
*value = SPA_POD_VALUE(struct spa_pod_int, pod);
return 0;
}
static inline int spa_pod_is_long(const struct spa_pod *pod)
{
return (SPA_POD_TYPE(pod) == SPA_TYPE_Long && SPA_POD_BODY_SIZE(pod) >= sizeof(int64_t));
}
static inline int spa_pod_get_long(const struct spa_pod *pod, int64_t *value)
{
if (!spa_pod_is_long(pod))
return -EINVAL;
*value = SPA_POD_VALUE(struct spa_pod_long, pod);
return 0;
}
static inline int spa_pod_is_float(const 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(const 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(const 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(const 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;
}
static inline int spa_pod_is_string(const struct spa_pod *pod)
{
const char *s = (const char *)SPA_POD_CONTENTS(struct spa_pod_string, pod);
return (SPA_POD_TYPE(pod) == SPA_TYPE_String &&
SPA_POD_BODY_SIZE(pod) > 0 &&
s[SPA_POD_BODY_SIZE(pod)-1] == '\0');
}
static inline int spa_pod_get_string(const struct spa_pod *pod, const char **value)
{
if (!spa_pod_is_string(pod))
return -EINVAL;
*value = (const char *)SPA_POD_CONTENTS(struct spa_pod_string, pod);
return 0;
}
static inline int spa_pod_copy_string(const struct spa_pod *pod, size_t maxlen, char *dest)
{
const char *s = (const char *)SPA_POD_CONTENTS(struct spa_pod_string, pod);
if (!spa_pod_is_string(pod) || maxlen < 1)
return -EINVAL;
strncpy(dest, s, maxlen-1);
dest[maxlen-1]= '\0';
return 0;
}
static inline int spa_pod_is_bytes(const struct spa_pod *pod)
{
return SPA_POD_TYPE(pod) == SPA_TYPE_Bytes;
}
static inline int spa_pod_get_bytes(const struct spa_pod *pod, const void **value, uint32_t *len)
{
if (!spa_pod_is_bytes(pod))
return -EINVAL;
*value = (const void *)SPA_POD_CONTENTS(struct spa_pod_bytes, pod);
*len = SPA_POD_BODY_SIZE(pod);
return 0;
}
static inline int spa_pod_is_pointer(const struct spa_pod *pod)
{
return (SPA_POD_TYPE(pod) == SPA_TYPE_Pointer &&
SPA_POD_BODY_SIZE(pod) >= sizeof(struct spa_pod_pointer_body));
}
static inline int spa_pod_get_pointer(const struct spa_pod *pod, uint32_t *type, const void **value)
{
if (!spa_pod_is_pointer(pod))
return -EINVAL;
*type = ((struct spa_pod_pointer*)pod)->body.type;
*value = ((struct spa_pod_pointer*)pod)->body.value;
return 0;
}
static inline int spa_pod_is_fd(const struct spa_pod *pod)
{
return (SPA_POD_TYPE(pod) == SPA_TYPE_Fd &&
SPA_POD_BODY_SIZE(pod) >= sizeof(int64_t));
}
static inline int spa_pod_get_fd(const struct spa_pod *pod, int64_t *value)
{
if (!spa_pod_is_fd(pod))
return -EINVAL;
*value = SPA_POD_VALUE(struct spa_pod_fd, pod);
return 0;
}
static inline int spa_pod_is_rectangle(const 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(const 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(const 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(const struct spa_pod *pod, struct spa_fraction *value)
{
spa_return_val_if_fail(spa_pod_is_fraction(pod), -EINVAL);
*value = SPA_POD_VALUE(struct spa_pod_fraction, pod);
return 0;
}
static inline int spa_pod_is_array(const struct spa_pod *pod)
{
return (SPA_POD_TYPE(pod) == SPA_TYPE_Array &&
SPA_POD_BODY_SIZE(pod) >= sizeof(struct spa_pod_array_body));
}
static inline int spa_pod_is_choice(const struct spa_pod *pod)
{
return (SPA_POD_TYPE(pod) == SPA_TYPE_Choice &&
SPA_POD_BODY_SIZE(pod) >= sizeof(struct spa_pod_choice_body));
}
static inline struct spa_pod *spa_pod_get_values(const struct spa_pod *pod, uint32_t *n_vals, uint32_t *choice)
{
if (pod->type == SPA_TYPE_Choice) {
*choice = SPA_POD_CHOICE_TYPE(pod);
*n_vals = *choice == SPA_CHOICE_None ? 1 : SPA_POD_CHOICE_N_VALUES(pod);
return (struct spa_pod*)SPA_POD_CHOICE_CHILD(pod);
} else {
*n_vals = 1;
*choice = SPA_CHOICE_None;
return (struct spa_pod*)pod;
}
}
static inline int spa_pod_is_struct(const struct spa_pod *pod)
{
return (SPA_POD_TYPE(pod) == SPA_TYPE_Struct);
}
static inline int spa_pod_is_object(const struct spa_pod *pod)
{
return (SPA_POD_TYPE(pod) == SPA_TYPE_Object &&
SPA_POD_BODY_SIZE(pod) >= sizeof(struct spa_pod_object_body));
}
static inline bool spa_pod_is_object_type(const struct spa_pod *pod, uint32_t type)
{
return (pod && spa_pod_is_object(pod) &&
((const struct spa_pod_object *) pod)->body.type == type);
}
static inline bool spa_pod_is_object_id(const struct spa_pod *pod, uint32_t id)
{
return (pod && spa_pod_is_object(pod) &&
((const struct spa_pod_object *) pod)->body.id == id);
}
static inline int spa_pod_is_sequence(const struct spa_pod *pod)
{
return (SPA_POD_TYPE(pod) == SPA_TYPE_Sequence &&
SPA_POD_BODY_SIZE(pod) >= sizeof(struct spa_pod_sequence_body));
}
static inline struct spa_pod_prop *spa_pod_object_find_prop(const struct spa_pod_object *pod, uint32_t key)
{
struct spa_pod_prop *res;
if (pod->type != SPA_TYPE_Object)
return NULL;
SPA_POD_OBJECT_FOREACH((struct spa_pod_object*)pod, res) {
SPA_POD_OBJECT_FOREACH(pod, res) {
if (res->key == key)
return res;
}
return NULL;
}
static inline int spa_pod_fixate(struct spa_pod *pod)
static inline struct spa_pod_prop *spa_pod_find_prop(const struct spa_pod *pod, uint32_t key)
{
if (!spa_pod_is_object(pod))
return NULL;
return spa_pod_object_find_prop((const struct spa_pod_object *)pod, key);
}
static inline int spa_pod_object_fixate(struct spa_pod_object *pod)
{
struct spa_pod_prop *res;
if (pod->type != SPA_TYPE_Object)
return -EINVAL;
SPA_POD_OBJECT_FOREACH((struct spa_pod_object*)pod, res) {
SPA_POD_OBJECT_FOREACH(pod, res) {
if (res->value.type == SPA_TYPE_Choice)
((struct spa_pod_choice*)&res->value)->body.type = SPA_CHOICE_None;
}
return 0;
}
static inline int spa_pod_fixate(struct spa_pod *pod)
{
if (!spa_pod_is_object(pod))
return -EINVAL;
return spa_pod_object_fixate((struct spa_pod_object *)pod);
}
#ifdef __cplusplus
} /* extern "C" */
#endif