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-rw-r--r--lv2/atom/util.h347
1 files changed, 173 insertions, 174 deletions
diff --git a/lv2/atom/util.h b/lv2/atom/util.h
index 98c9edb..4818d96 100644
--- a/lv2/atom/util.h
+++ b/lv2/atom/util.h
@@ -49,30 +49,29 @@ extern "C" {
static inline uint32_t
lv2_atom_pad_size(uint32_t size)
{
- return (size + 7U) & (~7U);
+ return (size + 7U) & (~7U);
}
/** Return the total size of `atom`, including the header. */
static inline uint32_t
lv2_atom_total_size(const LV2_Atom* atom)
{
- return (uint32_t)sizeof(LV2_Atom) + atom->size;
+ return (uint32_t)sizeof(LV2_Atom) + atom->size;
}
/** Return true iff `atom` is null. */
static inline bool
lv2_atom_is_null(const LV2_Atom* atom)
{
- return !atom || (atom->type == 0 && atom->size == 0);
+ return !atom || (atom->type == 0 && atom->size == 0);
}
/** Return true iff `a` is equal to `b`. */
static inline bool
lv2_atom_equals(const LV2_Atom* a, const LV2_Atom* b)
{
- return (a == b) || ((a->type == b->type) &&
- (a->size == b->size) &&
- !memcmp(a + 1, b + 1, a->size));
+ return (a == b) || ((a->type == b->type) && (a->size == b->size) &&
+ !memcmp(a + 1, b + 1, a->size));
}
/**
@@ -84,14 +83,14 @@ lv2_atom_equals(const LV2_Atom* a, const LV2_Atom* b)
static inline LV2_Atom_Event*
lv2_atom_sequence_begin(const LV2_Atom_Sequence_Body* body)
{
- return (LV2_Atom_Event*)(body + 1);
+ return (LV2_Atom_Event*)(body + 1);
}
/** Get an iterator pointing to the end of a Sequence body. */
static inline LV2_Atom_Event*
lv2_atom_sequence_end(const LV2_Atom_Sequence_Body* body, uint32_t size)
{
- return (LV2_Atom_Event*)((const uint8_t*)body + lv2_atom_pad_size(size));
+ return (LV2_Atom_Event*)((const uint8_t*)body + lv2_atom_pad_size(size));
}
/** Return true iff `i` has reached the end of `body`. */
@@ -100,16 +99,15 @@ lv2_atom_sequence_is_end(const LV2_Atom_Sequence_Body* body,
uint32_t size,
const LV2_Atom_Event* i)
{
- return (const uint8_t*)i >= ((const uint8_t*)body + size);
+ return (const uint8_t*)i >= ((const uint8_t*)body + size);
}
/** Return an iterator to the element following `i`. */
static inline LV2_Atom_Event*
lv2_atom_sequence_next(const LV2_Atom_Event* i)
{
- return (LV2_Atom_Event*)((const uint8_t*)i
- + sizeof(LV2_Atom_Event)
- + lv2_atom_pad_size(i->body.size));
+ return (LV2_Atom_Event*)((const uint8_t*)i + sizeof(LV2_Atom_Event) +
+ lv2_atom_pad_size(i->body.size));
}
/**
@@ -126,16 +124,16 @@ lv2_atom_sequence_next(const LV2_Atom_Event* i)
}
@endcode
*/
-#define LV2_ATOM_SEQUENCE_FOREACH(seq, iter) \
- for (LV2_Atom_Event* (iter) = lv2_atom_sequence_begin(&(seq)->body); \
- !lv2_atom_sequence_is_end(&(seq)->body, (seq)->atom.size, (iter)); \
- (iter) = lv2_atom_sequence_next(iter))
+#define LV2_ATOM_SEQUENCE_FOREACH(seq, iter) \
+ for (LV2_Atom_Event * (iter) = lv2_atom_sequence_begin(&(seq)->body); \
+ !lv2_atom_sequence_is_end(&(seq)->body, (seq)->atom.size, (iter)); \
+ (iter) = lv2_atom_sequence_next(iter))
/** Like LV2_ATOM_SEQUENCE_FOREACH but for a headerless sequence body. */
-#define LV2_ATOM_SEQUENCE_BODY_FOREACH(body, size, iter) \
- for (LV2_Atom_Event* (iter) = lv2_atom_sequence_begin(body); \
- !lv2_atom_sequence_is_end(body, size, (iter)); \
- (iter) = lv2_atom_sequence_next(iter))
+#define LV2_ATOM_SEQUENCE_BODY_FOREACH(body, size, iter) \
+ for (LV2_Atom_Event * (iter) = lv2_atom_sequence_begin(body); \
+ !lv2_atom_sequence_is_end(body, size, (iter)); \
+ (iter) = lv2_atom_sequence_next(iter))
/**
@}
@@ -151,7 +149,7 @@ lv2_atom_sequence_next(const LV2_Atom_Event* i)
static inline void
lv2_atom_sequence_clear(LV2_Atom_Sequence* seq)
{
- seq->atom.size = sizeof(LV2_Atom_Sequence_Body);
+ seq->atom.size = sizeof(LV2_Atom_Sequence_Body);
}
/**
@@ -170,17 +168,17 @@ lv2_atom_sequence_append_event(LV2_Atom_Sequence* seq,
uint32_t capacity,
const LV2_Atom_Event* event)
{
- const uint32_t total_size = (uint32_t)sizeof(*event) + event->body.size;
- if (capacity - seq->atom.size < total_size) {
- return NULL;
- }
+ const uint32_t total_size = (uint32_t)sizeof(*event) + event->body.size;
+ if (capacity - seq->atom.size < total_size) {
+ return NULL;
+ }
- LV2_Atom_Event* e = lv2_atom_sequence_end(&seq->body, seq->atom.size);
- memcpy(e, event, total_size);
+ LV2_Atom_Event* e = lv2_atom_sequence_end(&seq->body, seq->atom.size);
+ memcpy(e, event, total_size);
- seq->atom.size += lv2_atom_pad_size(total_size);
+ seq->atom.size += lv2_atom_pad_size(total_size);
- return e;
+ return e;
}
/**
@@ -193,22 +191,22 @@ lv2_atom_sequence_append_event(LV2_Atom_Sequence* seq,
static inline LV2_Atom*
lv2_atom_tuple_begin(const LV2_Atom_Tuple* tup)
{
- return (LV2_Atom*)(LV2_ATOM_BODY(tup));
+ return (LV2_Atom*)(LV2_ATOM_BODY(tup));
}
/** Return true iff `i` has reached the end of `body`. */
static inline bool
lv2_atom_tuple_is_end(const void* body, uint32_t size, const LV2_Atom* i)
{
- return (const uint8_t*)i >= ((const uint8_t*)body + size);
+ return (const uint8_t*)i >= ((const uint8_t*)body + size);
}
/** Return an iterator to the element following `i`. */
static inline LV2_Atom*
lv2_atom_tuple_next(const LV2_Atom* i)
{
- return (LV2_Atom*)(
- (const uint8_t*)i + sizeof(LV2_Atom) + lv2_atom_pad_size(i->size));
+ return (LV2_Atom*)((const uint8_t*)i + sizeof(LV2_Atom) +
+ lv2_atom_pad_size(i->size));
}
/**
@@ -225,16 +223,17 @@ lv2_atom_tuple_next(const LV2_Atom* i)
}
@endcode
*/
-#define LV2_ATOM_TUPLE_FOREACH(tuple, iter) \
- for (LV2_Atom* (iter) = lv2_atom_tuple_begin(tuple); \
- !lv2_atom_tuple_is_end(LV2_ATOM_BODY(tuple), (tuple)->atom.size, (iter)); \
- (iter) = lv2_atom_tuple_next(iter))
+#define LV2_ATOM_TUPLE_FOREACH(tuple, iter) \
+ for (LV2_Atom * (iter) = lv2_atom_tuple_begin(tuple); \
+ !lv2_atom_tuple_is_end( \
+ LV2_ATOM_BODY(tuple), (tuple)->atom.size, (iter)); \
+ (iter) = lv2_atom_tuple_next(iter))
/** Like LV2_ATOM_TUPLE_FOREACH but for a headerless tuple body. */
#define LV2_ATOM_TUPLE_BODY_FOREACH(body, size, iter) \
- for (LV2_Atom* (iter) = (LV2_Atom*)(body); \
- !lv2_atom_tuple_is_end(body, size, (iter)); \
- (iter) = lv2_atom_tuple_next(iter))
+ for (LV2_Atom * (iter) = (LV2_Atom*)(body); \
+ !lv2_atom_tuple_is_end(body, size, (iter)); \
+ (iter) = lv2_atom_tuple_next(iter))
/**
@}
@@ -246,7 +245,7 @@ lv2_atom_tuple_next(const LV2_Atom* i)
static inline LV2_Atom_Property_Body*
lv2_atom_object_begin(const LV2_Atom_Object_Body* body)
{
- return (LV2_Atom_Property_Body*)(body + 1);
+ return (LV2_Atom_Property_Body*)(body + 1);
}
/** Return true iff `i` has reached the end of `obj`. */
@@ -255,18 +254,19 @@ lv2_atom_object_is_end(const LV2_Atom_Object_Body* body,
uint32_t size,
const LV2_Atom_Property_Body* i)
{
- return (const uint8_t*)i >= ((const uint8_t*)body + size);
+ return (const uint8_t*)i >= ((const uint8_t*)body + size);
}
/** Return an iterator to the property following `i`. */
static inline LV2_Atom_Property_Body*
lv2_atom_object_next(const LV2_Atom_Property_Body* i)
{
- const LV2_Atom* const value = (const LV2_Atom*)(
- (const uint8_t*)i + 2 * sizeof(uint32_t));
- return (LV2_Atom_Property_Body*)(
- (const uint8_t*)i + lv2_atom_pad_size(
- (uint32_t)sizeof(LV2_Atom_Property_Body) + value->size));
+ const LV2_Atom* const value =
+ (const LV2_Atom*)((const uint8_t*)i + 2 * sizeof(uint32_t));
+ return (LV2_Atom_Property_Body*)((const uint8_t*)i +
+ lv2_atom_pad_size(
+ (uint32_t)sizeof(LV2_Atom_Property_Body) +
+ value->size));
}
/**
@@ -283,16 +283,16 @@ lv2_atom_object_next(const LV2_Atom_Property_Body* i)
}
@endcode
*/
-#define LV2_ATOM_OBJECT_FOREACH(obj, iter) \
- for (LV2_Atom_Property_Body* (iter) = lv2_atom_object_begin(&(obj)->body); \
- !lv2_atom_object_is_end(&(obj)->body, (obj)->atom.size, (iter)); \
- (iter) = lv2_atom_object_next(iter))
+#define LV2_ATOM_OBJECT_FOREACH(obj, iter) \
+ for (LV2_Atom_Property_Body * (iter) = lv2_atom_object_begin(&(obj)->body); \
+ !lv2_atom_object_is_end(&(obj)->body, (obj)->atom.size, (iter)); \
+ (iter) = lv2_atom_object_next(iter))
/** Like LV2_ATOM_OBJECT_FOREACH but for a headerless object body. */
-#define LV2_ATOM_OBJECT_BODY_FOREACH(body, size, iter) \
- for (LV2_Atom_Property_Body* (iter) = lv2_atom_object_begin(body); \
- !lv2_atom_object_is_end(body, size, (iter)); \
- (iter) = lv2_atom_object_next(iter))
+#define LV2_ATOM_OBJECT_BODY_FOREACH(body, size, iter) \
+ for (LV2_Atom_Property_Body * (iter) = lv2_atom_object_begin(body); \
+ !lv2_atom_object_is_end(body, size, (iter)); \
+ (iter) = lv2_atom_object_next(iter))
/**
@}
@@ -302,12 +302,12 @@ lv2_atom_object_next(const LV2_Atom_Property_Body* i)
/** A single entry in an Object query. */
typedef struct {
- uint32_t key; /**< Key to query (input set by user) */
- const LV2_Atom** value; /**< Found value (output set by query function) */
+ uint32_t key; /**< Key to query (input set by user) */
+ const LV2_Atom** value; /**< Found value (output set by query function) */
} LV2_Atom_Object_Query;
/** Sentinel for lv2_atom_object_query(). */
-static const LV2_Atom_Object_Query LV2_ATOM_OBJECT_QUERY_END = { 0, NULL };
+static const LV2_Atom_Object_Query LV2_ATOM_OBJECT_QUERY_END = {0, NULL};
/**
Get an object's values for various keys.
@@ -338,26 +338,26 @@ static inline int
lv2_atom_object_query(const LV2_Atom_Object* object,
LV2_Atom_Object_Query* query)
{
- int matches = 0;
- int n_queries = 0;
-
- /* Count number of query keys so we can short-circuit when done */
- for (LV2_Atom_Object_Query* q = query; q->key; ++q) {
- ++n_queries;
- }
-
- LV2_ATOM_OBJECT_FOREACH(object, prop) {
- for (LV2_Atom_Object_Query* q = query; q->key; ++q) {
- if (q->key == prop->key && !*q->value) {
- *q->value = &prop->value;
- if (++matches == n_queries) {
- return matches;
- }
- break;
- }
- }
- }
- return matches;
+ int matches = 0;
+ int n_queries = 0;
+
+ /* Count number of query keys so we can short-circuit when done */
+ for (LV2_Atom_Object_Query* q = query; q->key; ++q) {
+ ++n_queries;
+ }
+
+ LV2_ATOM_OBJECT_FOREACH (object, prop) {
+ for (LV2_Atom_Object_Query* q = query; q->key; ++q) {
+ if (q->key == prop->key && !*q->value) {
+ *q->value = &prop->value;
+ if (++matches == n_queries) {
+ return matches;
+ }
+ break;
+ }
+ }
+ }
+ return matches;
}
/**
@@ -366,37 +366,37 @@ lv2_atom_object_query(const LV2_Atom_Object* object,
static inline int
lv2_atom_object_body_get(uint32_t size, const LV2_Atom_Object_Body* body, ...)
{
- int matches = 0;
- int n_queries = 0;
-
- /* Count number of keys so we can short-circuit when done */
- va_list args;
- va_start(args, body);
- for (n_queries = 0; va_arg(args, uint32_t); ++n_queries) {
- if (!va_arg(args, const LV2_Atom**)) {
- va_end(args);
- return -1;
- }
- }
- va_end(args);
-
- LV2_ATOM_OBJECT_BODY_FOREACH(body, size, prop) {
- va_start(args, body);
- for (int i = 0; i < n_queries; ++i) {
- uint32_t qkey = va_arg(args, uint32_t);
- const LV2_Atom** qval = va_arg(args, const LV2_Atom**);
- if (qkey == prop->key && !*qval) {
- *qval = &prop->value;
- if (++matches == n_queries) {
- va_end(args);
- return matches;
- }
- break;
- }
- }
- va_end(args);
- }
- return matches;
+ int matches = 0;
+ int n_queries = 0;
+
+ /* Count number of keys so we can short-circuit when done */
+ va_list args;
+ va_start(args, body);
+ for (n_queries = 0; va_arg(args, uint32_t); ++n_queries) {
+ if (!va_arg(args, const LV2_Atom**)) {
+ va_end(args);
+ return -1;
+ }
+ }
+ va_end(args);
+
+ LV2_ATOM_OBJECT_BODY_FOREACH (body, size, prop) {
+ va_start(args, body);
+ for (int i = 0; i < n_queries; ++i) {
+ uint32_t qkey = va_arg(args, uint32_t);
+ const LV2_Atom** qval = va_arg(args, const LV2_Atom**);
+ if (qkey == prop->key && !*qval) {
+ *qval = &prop->value;
+ if (++matches == n_queries) {
+ va_end(args);
+ return matches;
+ }
+ break;
+ }
+ }
+ va_end(args);
+ }
+ return matches;
}
/**
@@ -421,37 +421,37 @@ lv2_atom_object_body_get(uint32_t size, const LV2_Atom_Object_Body* body, ...)
static inline int
lv2_atom_object_get(const LV2_Atom_Object* object, ...)
{
- int matches = 0;
- int n_queries = 0;
-
- /* Count number of keys so we can short-circuit when done */
- va_list args;
- va_start(args, object);
- for (n_queries = 0; va_arg(args, uint32_t); ++n_queries) {
- if (!va_arg(args, const LV2_Atom**)) {
- va_end(args);
- return -1;
- }
- }
- va_end(args);
-
- LV2_ATOM_OBJECT_FOREACH(object, prop) {
- va_start(args, object);
- for (int i = 0; i < n_queries; ++i) {
- uint32_t qkey = va_arg(args, uint32_t);
- const LV2_Atom** qval = va_arg(args, const LV2_Atom**);
- if (qkey == prop->key && !*qval) {
- *qval = &prop->value;
- if (++matches == n_queries) {
- va_end(args);
- return matches;
- }
- break;
- }
- }
- va_end(args);
- }
- return matches;
+ int matches = 0;
+ int n_queries = 0;
+
+ /* Count number of keys so we can short-circuit when done */
+ va_list args;
+ va_start(args, object);
+ for (n_queries = 0; va_arg(args, uint32_t); ++n_queries) {
+ if (!va_arg(args, const LV2_Atom**)) {
+ va_end(args);
+ return -1;
+ }
+ }
+ va_end(args);
+
+ LV2_ATOM_OBJECT_FOREACH (object, prop) {
+ va_start(args, object);
+ for (int i = 0; i < n_queries; ++i) {
+ uint32_t qkey = va_arg(args, uint32_t);
+ const LV2_Atom** qval = va_arg(args, const LV2_Atom**);
+ if (qkey == prop->key && !*qval) {
+ *qval = &prop->value;
+ if (++matches == n_queries) {
+ va_end(args);
+ return matches;
+ }
+ break;
+ }
+ }
+ va_end(args);
+ }
+ return matches;
}
/**
@@ -477,43 +477,42 @@ lv2_atom_object_get(const LV2_Atom_Object* object, ...)
static inline int
lv2_atom_object_get_typed(const LV2_Atom_Object* object, ...)
{
- int matches = 0;
- int n_queries = 0;
-
- /* Count number of keys so we can short-circuit when done */
- va_list args;
- va_start(args, object);
- for (n_queries = 0; va_arg(args, uint32_t); ++n_queries) {
- if (!va_arg(args, const LV2_Atom**) ||
- !va_arg(args, uint32_t)) {
- va_end(args);
- return -1;
- }
- }
- va_end(args);
-
- LV2_ATOM_OBJECT_FOREACH(object, prop) {
- va_start(args, object);
- for (int i = 0; i < n_queries; ++i) {
- const uint32_t qkey = va_arg(args, uint32_t);
- const LV2_Atom** qval = va_arg(args, const LV2_Atom**);
- const uint32_t qtype = va_arg(args, uint32_t);
- if (!*qval && qkey == prop->key && qtype == prop->value.type) {
- *qval = &prop->value;
- if (++matches == n_queries) {
- va_end(args);
- return matches;
- }
- break;
- }
- }
- va_end(args);
- }
- return matches;
+ int matches = 0;
+ int n_queries = 0;
+
+ /* Count number of keys so we can short-circuit when done */
+ va_list args;
+ va_start(args, object);
+ for (n_queries = 0; va_arg(args, uint32_t); ++n_queries) {
+ if (!va_arg(args, const LV2_Atom**) || !va_arg(args, uint32_t)) {
+ va_end(args);
+ return -1;
+ }
+ }
+ va_end(args);
+
+ LV2_ATOM_OBJECT_FOREACH (object, prop) {
+ va_start(args, object);
+ for (int i = 0; i < n_queries; ++i) {
+ const uint32_t qkey = va_arg(args, uint32_t);
+ const LV2_Atom** qval = va_arg(args, const LV2_Atom**);
+ const uint32_t qtype = va_arg(args, uint32_t);
+ if (!*qval && qkey == prop->key && qtype == prop->value.type) {
+ *qval = &prop->value;
+ if (++matches == n_queries) {
+ va_end(args);
+ return matches;
+ }
+ break;
+ }
+ }
+ va_end(args);
+ }
+ return matches;
}
#ifdef __cplusplus
-} /* extern "C" */
+} /* extern "C" */
#endif
/**
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-03 01:40:44 +0000