diff options
Diffstat (limited to 'lv2/lv2plug.in')
| -rw-r--r-- | lv2/lv2plug.in/ns/ext/atom/atom-test.c | 60 | ||||
| -rw-r--r-- | lv2/lv2plug.in/ns/ext/atom/util.h | 220 |
2 files changed, 108 insertions, 172 deletions
diff --git a/lv2/lv2plug.in/ns/ext/atom/atom-test.c b/lv2/lv2plug.in/ns/ext/atom/atom-test.c index 931fde1..d2762f3 100644 --- a/lv2/lv2plug.in/ns/ext/atom/atom-test.c +++ b/lv2/lv2plug.in/ns/ext/atom/atom-test.c @@ -203,24 +203,24 @@ main() LV2_Atom_Bool* tup1 = (LV2_Atom_Bool*)lv2_atom_forge_deref( &forge, lv2_atom_forge_bool(&forge, true)); lv2_atom_forge_pop(&forge, &tuple_frame); - LV2_Atom_Tuple_Iter i = lv2_tuple_begin(tuple); - if (lv2_tuple_is_end(tuple, i)) { + LV2_Atom* i = lv2_atom_tuple_begin(tuple); + if (lv2_atom_tuple_is_end(LV2_ATOM_BODY(tuple), tuple->atom.size, i)) { return test_fail("Tuple iterator is empty\n"); } - LV2_Atom* tup0i = (LV2_Atom*)lv2_tuple_iter_get(i); + LV2_Atom* tup0i = i; if (!lv2_atom_equals((LV2_Atom*)tup0, tup0i)) { return test_fail("Corrupt tuple element 0\n"); } - i = lv2_tuple_iter_next(i); - if (lv2_tuple_is_end(tuple, i)) { + i = lv2_atom_tuple_next(i); + if (lv2_atom_tuple_is_end(LV2_ATOM_BODY(tuple), tuple->atom.size, i)) { return test_fail("Premature end of tuple iterator\n"); } - LV2_Atom* tup1i = lv2_tuple_iter_get(i); + LV2_Atom* tup1i = i; if (!lv2_atom_equals((LV2_Atom*)tup1, tup1i)) { return test_fail("Corrupt tuple element 1\n"); } - i = lv2_tuple_iter_next(i); - if (!lv2_tuple_is_end(tuple, i)) { + i = lv2_atom_tuple_next(i); + if (!lv2_atom_tuple_is_end(LV2_ATOM_BODY(tuple), tuple->atom.size, i)) { return test_fail("Tuple iter is not at end\n"); } @@ -273,8 +273,7 @@ main() } unsigned n_events = 0; - LV2_SEQUENCE_FOREACH(seq, i) { - LV2_Atom_Event* ev = lv2_sequence_iter_get(i); + LV2_ATOM_SEQUENCE_FOREACH(seq, ev) { if (ev->time.frames != n_events) { return test_fail("Corrupt event %u has bad time\n", n_events); } else if (ev->body.type != forge.Int) { @@ -286,8 +285,7 @@ main() } unsigned n_props = 0; - LV2_OBJECT_FOREACH((LV2_Atom_Object*)obj, i) { - LV2_Atom_Property_Body* prop = lv2_object_iter_get(i); + LV2_ATOM_OBJECT_FOREACH((LV2_Atom_Object*)obj, prop) { if (!prop->key) { return test_fail("Corrupt property %u has no key\n", n_props); } else if (prop->context) { @@ -337,10 +335,10 @@ main() { eg_vector, &matches.vector }, { eg_vector2, &matches.vector2 }, { eg_seq, &matches.seq }, - LV2_OBJECT_QUERY_END + LV2_ATOM_OBJECT_QUERY_END }; - unsigned n_matches = lv2_object_query((LV2_Atom_Object*)obj, q); + unsigned n_matches = lv2_atom_object_query((LV2_Atom_Object*)obj, q); for (int i = 0; i < 2; ++i) { if (n_matches != n_props) { return test_fail("Query failed, %u matches != %u\n", @@ -375,23 +373,23 @@ main() return test_fail("Bad match sequence\n"); } memset(&matches, 0, sizeof(matches)); - n_matches = lv2_object_get((LV2_Atom_Object*)obj, - eg_one, &matches.one, - eg_two, &matches.two, - eg_three, &matches.three, - eg_four, &matches.four, - eg_true, &matches.affirmative, - eg_false, &matches.negative, - eg_path, &matches.path, - eg_uri, &matches.uri, - eg_urid, &matches.urid, - eg_string, &matches.string, - eg_literal, &matches.literal, - eg_tuple, &matches.tuple, - eg_vector, &matches.vector, - eg_vector2, &matches.vector2, - eg_seq, &matches.seq, - 0); + n_matches = lv2_atom_object_get((LV2_Atom_Object*)obj, + eg_one, &matches.one, + eg_two, &matches.two, + eg_three, &matches.three, + eg_four, &matches.four, + eg_true, &matches.affirmative, + eg_false, &matches.negative, + eg_path, &matches.path, + eg_uri, &matches.uri, + eg_urid, &matches.urid, + eg_string, &matches.string, + eg_literal, &matches.literal, + eg_tuple, &matches.tuple, + eg_vector, &matches.vector, + eg_vector2, &matches.vector2, + eg_seq, &matches.seq, + 0); } printf("All tests passed.\n"); diff --git a/lv2/lv2plug.in/ns/ext/atom/util.h b/lv2/lv2plug.in/ns/ext/atom/util.h index 6b46a67..f7fd35f 100644 --- a/lv2/lv2plug.in/ns/ext/atom/util.h +++ b/lv2/lv2plug.in/ns/ext/atom/util.h @@ -72,78 +72,60 @@ lv2_atom_equals(const LV2_Atom* a, const LV2_Atom* b) @{ */ -/** An iterator over the elements of an LV2_Atom_Sequence. */ -typedef LV2_Atom_Event* LV2_Atom_Sequence_Iter; - -/** Get an iterator pointing to the first element in a Sequence body. */ -static inline LV2_Atom_Sequence_Iter -lv2_sequence_body_begin(const LV2_Atom_Sequence_Body* body) +/** Get an iterator pointing to the first event in a Sequence body. */ +static inline LV2_Atom_Event* +lv2_atom_sequence_begin(const LV2_Atom_Sequence_Body* body) { - return (LV2_Atom_Sequence_Iter)(body + 1); + return (LV2_Atom_Event*)(body + 1); } -/** Get an iterator pointing to the first element in a Sequence. */ -static inline LV2_Atom_Sequence_Iter -lv2_sequence_begin(const LV2_Atom_Sequence* seq) +/** 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_Sequence_Iter)(seq + 1); + return (LV2_Atom_Event*)(body + lv2_atom_pad_size(size)); } /** Return true iff @p i has reached the end of @p body. */ static inline bool -lv2_sequence_body_is_end(const LV2_Atom_Sequence_Body* body, +lv2_atom_sequence_is_end(const LV2_Atom_Sequence_Body* body, uint32_t size, - LV2_Atom_Sequence_Iter i) + LV2_Atom_Event* i) { return (uint8_t*)i >= ((uint8_t*)body + size); } -/** Return true iff @p i has reached the end of @p seq. */ -static inline bool -lv2_sequence_is_end(const LV2_Atom_Sequence* seq, LV2_Atom_Sequence_Iter i) -{ - return (uint8_t*)i >= ((uint8_t*)seq + sizeof(LV2_Atom) + seq->atom.size); -} - /** Return an iterator to the element following @p i. */ -static inline LV2_Atom_Sequence_Iter -lv2_sequence_iter_next(const LV2_Atom_Sequence_Iter i) -{ - return (LV2_Atom_Sequence_Iter)((uint8_t*)i - + sizeof(LV2_Atom_Event) - + lv2_atom_pad_size(i->body.size)); -} - -/** Return the element pointed to by @p i. */ static inline LV2_Atom_Event* -lv2_sequence_iter_get(LV2_Atom_Sequence_Iter i) +lv2_atom_sequence_next(const LV2_Atom_Event* i) { - return (LV2_Atom_Event*)i; + return (LV2_Atom_Event*)((uint8_t*)i + + sizeof(LV2_Atom_Event) + + lv2_atom_pad_size(i->body.size)); } /** A macro for iterating over all events in a Sequence. - @param sequence The sequence to iterate over + @param seq The sequence to iterate over @param iter The name of the iterator This macro is used similarly to a for loop (which it expands to), e.g.: @code - LV2_SEQUENCE_FOREACH(sequence, i) { - LV2_Atom_Event* ev = lv2_sequence_iter_get(i); - // Do something with ev here... + LV2_ATOM_SEQUENCE_FOREACH(sequence, ev) { + // Do something with ev (an LV2_Atom_Event*) here... } @endcode */ -#define LV2_SEQUENCE_FOREACH(sequence, iter) \ - for (LV2_Atom_Sequence_Iter (iter) = lv2_sequence_begin(sequence); \ - !lv2_sequence_is_end(sequence, (iter)); \ - (iter) = lv2_sequence_iter_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)) -/** A version of LV2_SEQUENCE_FOREACH for when only the body is available. */ -#define LV2_SEQUENCE_BODY_FOREACH(body, size, iter) \ - for (LV2_Atom_Sequence_Iter (iter) = lv2_sequence_body_begin(body); \ - !lv2_sequence_body_is_end(body, size, (iter)); \ - (iter) = lv2_sequence_iter_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)) /** @} @@ -151,45 +133,26 @@ lv2_sequence_iter_get(LV2_Atom_Sequence_Iter i) @{ */ -/** An iterator over the elements of an LV2_Atom_Tuple. */ -typedef LV2_Atom* LV2_Atom_Tuple_Iter; - /** Get an iterator pointing to the first element in @p tup. */ -static inline LV2_Atom_Tuple_Iter -lv2_tuple_begin(const LV2_Atom_Tuple* tup) +static inline LV2_Atom* +lv2_atom_tuple_begin(const LV2_Atom_Tuple* tup) { - return (LV2_Atom_Tuple_Iter)(LV2_ATOM_BODY(tup)); + return (LV2_Atom*)(LV2_ATOM_BODY(tup)); } /** Return true iff @p i has reached the end of @p body. */ static inline bool -lv2_atom_tuple_body_is_end(const void* body, - uint32_t size, - LV2_Atom_Tuple_Iter i) +lv2_atom_tuple_is_end(const void* body, uint32_t size, LV2_Atom* i) { return (uint8_t*)i >= ((uint8_t*)body + size); } -/** Return true iff @p i has reached the end of @p tup. */ -static inline bool -lv2_tuple_is_end(const LV2_Atom_Tuple* tup, LV2_Atom_Tuple_Iter i) -{ - return lv2_atom_tuple_body_is_end(LV2_ATOM_BODY(tup), tup->atom.size, i); -} - /** Return an iterator to the element following @p i. */ -static inline LV2_Atom_Tuple_Iter -lv2_tuple_iter_next(const LV2_Atom_Tuple_Iter i) -{ - return (LV2_Atom_Tuple_Iter)( - (uint8_t*)i + sizeof(LV2_Atom) + lv2_atom_pad_size(i->size)); -} - -/** Return the element pointed to by @p i. */ static inline LV2_Atom* -lv2_tuple_iter_get(LV2_Atom_Tuple_Iter i) +lv2_atom_tuple_next(const LV2_Atom* i) { - return (LV2_Atom*)i; + return (LV2_Atom*)( + (uint8_t*)i + sizeof(LV2_Atom) + lv2_atom_pad_size(i->size)); } /** @@ -199,22 +162,21 @@ lv2_tuple_iter_get(LV2_Atom_Tuple_Iter i) This macro is used similarly to a for loop (which it expands to), e.g.: @code - LV2_TUPLE_FOREACH(tuple, i) { - LV2_Atom* elem = lv2_tuple_iter_get(i); - // Do something with elem here... + LV2_ATOMO_TUPLE_FOREACH(tuple, elem) { + // Do something with elem (an LV2_Atom*) here... } @endcode */ -#define LV2_TUPLE_FOREACH(tuple, iter) \ - for (LV2_Atom_Tuple_Iter (iter) = lv2_tuple_begin(tuple); \ - !lv2_tuple_is_end(tuple, (iter)); \ - (iter) = lv2_tuple_iter_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)->size, (iter)); \ + (iter) = lv2_atom_tuple_next(iter)) -/** A version of LV2_TUPLE_FOREACH for when only the body is available. */ -#define LV2_TUPLE_BODY_FOREACH(body, size, iter) \ - for (LV2_Atom_Tuple_Iter (iter) = (LV2_Atom_Tuple_Iter)body; \ - !lv2_atom_tuple_body_is_end(body, size, (iter)); \ - (iter) = lv2_tuple_iter_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)) /** @} @@ -222,54 +184,32 @@ lv2_tuple_iter_get(LV2_Atom_Tuple_Iter i) @{ */ -/** An iterator over the properties of an LV2_Atom_Object. */ -typedef LV2_Atom_Property_Body* LV2_Atom_Object_Iter; - -static inline LV2_Atom_Object_Iter -lv2_object_body_begin(const LV2_Atom_Object_Body* body) -{ - return (LV2_Atom_Object_Iter)(body + 1); -} - -/** Get an iterator pointing to the first property in @p obj. */ -static inline LV2_Atom_Object_Iter -lv2_object_begin(const LV2_Atom_Object* obj) -{ - return (LV2_Atom_Object_Iter)(obj + 1); -} - -static inline bool -lv2_atom_object_body_is_end(const LV2_Atom_Object_Body* body, - uint32_t size, - LV2_Atom_Object_Iter i) +/** Return a pointer to the first property in @p body. */ +static inline LV2_Atom_Property_Body* +lv2_atom_object_begin(const LV2_Atom_Object_Body* body) { - return (uint8_t*)i >= ((uint8_t*)body + size); + return (LV2_Atom_Property_Body*)(body + 1); } /** Return true iff @p i has reached the end of @p obj. */ static inline bool -lv2_object_is_end(const LV2_Atom_Object* obj, LV2_Atom_Object_Iter i) +lv2_atom_object_is_end(const LV2_Atom_Object_Body* body, + uint32_t size, + LV2_Atom_Property_Body* i) { - return (uint8_t*)i >= ((uint8_t*)obj + sizeof(LV2_Atom) + obj->atom.size); + return (uint8_t*)i >= ((uint8_t*)body + size); } /** Return an iterator to the property following @p i. */ -static inline LV2_Atom_Object_Iter -lv2_object_iter_next(const LV2_Atom_Object_Iter i) +static inline LV2_Atom_Property_Body* +lv2_atom_object_next(const LV2_Atom_Property_Body* i) { const LV2_Atom* const value = (LV2_Atom*)((uint8_t*)i + sizeof(i)); - return (LV2_Atom_Object_Iter)((uint8_t*)i + return (LV2_Atom_Property_Body*)((uint8_t*)i + sizeof(LV2_Atom_Property_Body) + lv2_atom_pad_size(value->size)); } -/** Return the property pointed to by @p i. */ -static inline LV2_Atom_Property_Body* -lv2_object_iter_get(LV2_Atom_Object_Iter i) -{ - return (LV2_Atom_Property_Body*)i; -} - /** A macro for iterating over all properties of an Object. @param object The object to iterate over @@ -277,22 +217,21 @@ lv2_object_iter_get(LV2_Atom_Object_Iter i) This macro is used similarly to a for loop (which it expands to), e.g.: @code - LV2_OBJECT_FOREACH(object, i) { - LV2_Atom_Property_Body* prop = lv2_object_iter_get(i); - // Do something with prop here... + LV2_ATOM_OBJECT_FOREACH(object, i) { + // Do something with prop (an LV2_Atom_Property_Body*) here... } @endcode */ -#define LV2_OBJECT_FOREACH(object, iter) \ - for (LV2_Atom_Object_Iter (iter) = lv2_object_begin(object); \ - !lv2_object_is_end(object, (iter)); \ - (iter) = lv2_object_iter_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)) -/** A version of LV2_OBJECT_FOREACH for when only the body is available. */ -#define LV2_OBJECT_BODY_FOREACH(body, size, iter) \ - for (LV2_Atom_Object_Iter (iter) = lv2_object_body_begin(body); \ - !lv2_atom_object_body_is_end(body, size, (iter)); \ - (iter) = lv2_object_iter_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)) /** @} @@ -306,7 +245,7 @@ typedef struct { const LV2_Atom** value; /**< Found value (output set by query function) */ } LV2_Atom_Object_Query; -static const LV2_Atom_Object_Query LV2_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. @@ -327,14 +266,15 @@ static const LV2_Atom_Object_Query LV2_OBJECT_QUERY_END = { 0, NULL }; LV2_Atom_Object_Query q[] = { { urids.eg_name, &name }, { urids.eg_age, &age }, - LV2_OBJECT_QUERY_END + LV2_ATOM_OBJECT_QUERY_END }; - lv2_object_query(obj, q); + lv2_atom_object_query(obj, q); // name and age are now set to the appropriate values in obj, or NULL. @endcode */ static inline int -lv2_object_query(const LV2_Atom_Object* object, LV2_Atom_Object_Query* query) +lv2_atom_object_query(const LV2_Atom_Object* object, + LV2_Atom_Object_Query* query) { int matches = 0; int n_queries = 0; @@ -344,8 +284,7 @@ lv2_object_query(const LV2_Atom_Object* object, LV2_Atom_Object_Query* query) ++n_queries; } - LV2_OBJECT_FOREACH(object, o) { - const LV2_Atom_Property_Body* prop = lv2_object_iter_get(o); + 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; @@ -360,7 +299,7 @@ lv2_object_query(const LV2_Atom_Object* object, LV2_Atom_Object_Query* query) } /** - Variable argument version of lv2_object_get(). + Variable argument version of lv2_atom_object_get(). This is nicer-looking in code, but a bit more error-prone since it is not type safe and the argument list must be terminated. @@ -372,14 +311,14 @@ lv2_object_query(const LV2_Atom_Object* object, LV2_Atom_Object_Query* query) @code const LV2_Atom* name = NULL; const LV2_Atom* age = NULL; - lv2_object_get(obj, - uris.name_key, &name, - uris.age_key, &age, - 0); + lv2_atom_object_get(obj, + uris.name_key, &name, + uris.age_key, &age, + 0); @endcode */ static inline int -lv2_object_get(const LV2_Atom_Object* object, ...) +lv2_atom_object_get(const LV2_Atom_Object* object, ...) { int matches = 0; int n_queries = 0; @@ -394,8 +333,7 @@ lv2_object_get(const LV2_Atom_Object* object, ...) } va_end(args); - LV2_OBJECT_FOREACH(object, o) { - const LV2_Atom_Property_Body* prop = lv2_object_iter_get(o); + 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); |