Seventh update on iterators - QUEUE
This commit is contained in:
Leonardo committed
1 parent
812d0240e3
commit
f956094178
6 files changed
+318
-41
No files matched your search
+1
-1
@@ -68,7 +68,7 @@
|
||||
\
|
||||
} SNAME, *SNAME##_ptr; \
|
||||
\
|
||||
/* Deque Structure */ \
|
||||
/* Deque Iterator */ \
|
||||
typedef struct SNAME##_iter_s \
|
||||
{ \
|
||||
/* Target deque */ \
|
||||
|
||||
+119
-38
@@ -37,60 +37,103 @@
|
||||
#define QUEUE_GENERATE_SOURCE_PUBLIC(PFX, SNAME, FMOD, K, V) \
|
||||
QUEUE_GENERATE_SOURCE(PFX, SNAME, FMOD, V)
|
||||
/* STRUCT ********************************************************************/
|
||||
#define QUEUE_GENERATE_STRUCT(PFX, SNAME, FMOD, V) \
|
||||
\
|
||||
struct SNAME##_s \
|
||||
{ \
|
||||
V *buffer; \
|
||||
size_t capacity; \
|
||||
size_t count; \
|
||||
size_t front; \
|
||||
size_t rear; \
|
||||
}; \
|
||||
\
|
||||
struct SNAME##_iter_s \
|
||||
{ \
|
||||
struct SNAME##_s *target; \
|
||||
size_t cursor; \
|
||||
size_t index; \
|
||||
bool start; \
|
||||
bool end; \
|
||||
}; \
|
||||
\
|
||||
#define QUEUE_GENERATE_STRUCT(PFX, SNAME, FMOD, V)
|
||||
|
||||
/* HEADER ********************************************************************/
|
||||
#define QUEUE_GENERATE_HEADER(PFX, SNAME, FMOD, V) \
|
||||
\
|
||||
typedef struct SNAME##_s SNAME; \
|
||||
typedef struct SNAME##_iter_s SNAME##_iter; \
|
||||
/* Queue Structure */ \
|
||||
typedef struct SNAME##_s \
|
||||
{ \
|
||||
/* Dynamic circular array of elements */ \
|
||||
V *buffer; \
|
||||
\
|
||||
/* Current circular array capacity */ \
|
||||
size_t capacity; \
|
||||
\
|
||||
/* Current amount of elements */ \
|
||||
size_t count; \
|
||||
\
|
||||
/* Index representing the front of the queue */ \
|
||||
size_t front; \
|
||||
\
|
||||
/* Index representing the back of the queue */ \
|
||||
size_t rear; \
|
||||
\
|
||||
/* Function that returns an iterator to the start of the queue */ \
|
||||
struct SNAME##_iter_s (*it_start)(struct SNAME##_s *); \
|
||||
\
|
||||
/* Function that returns an iterator to the end of the queue */ \
|
||||
struct SNAME##_iter_s (*it_end)(struct SNAME##_s *); \
|
||||
\
|
||||
} SNAME, *SNAME##_ptr; \
|
||||
\
|
||||
/* Queue Iterator */ \
|
||||
typedef struct SNAME##_iter_s \
|
||||
{ \
|
||||
/* Target queue */ \
|
||||
struct SNAME##_s *target; \
|
||||
\
|
||||
/* Cursor's position (index) */ \
|
||||
size_t cursor; \
|
||||
\
|
||||
/* Keeps track of relative index to the iteration of elements */ \
|
||||
size_t index; \
|
||||
\
|
||||
/* If the iterator has reached the start of the iteration */ \
|
||||
bool start; \
|
||||
\
|
||||
/* If the iterator has reached the end of the iteration */ \
|
||||
bool end; \
|
||||
\
|
||||
} SNAME##_iter, *SNAME##_iter_ptr; \
|
||||
\
|
||||
/* Collection Functions */ \
|
||||
/* Collection Allocation and Deallocation */ \
|
||||
FMOD SNAME *PFX##_new(size_t size); \
|
||||
FMOD void PFX##_clear(SNAME *_queue_); \
|
||||
FMOD void PFX##_free(SNAME *_queue_); \
|
||||
/* Collection Input and Output */ \
|
||||
FMOD bool PFX##_enqueue(SNAME *_queue_, V element); \
|
||||
FMOD bool PFX##_dequeue(SNAME *_queue_); \
|
||||
/* Conditional Input and Output */ \
|
||||
FMOD bool PFX##_enqueue_if(SNAME *_queue_, V element, bool condition); \
|
||||
FMOD bool PFX##_dequeue_if(SNAME *_queue_, bool condition); \
|
||||
/* Element Access */ \
|
||||
FMOD V PFX##_peek(SNAME *_queue_); \
|
||||
/* Collection State */ \
|
||||
FMOD bool PFX##_contains(SNAME *_queue_, V element, int (*comparator)(V, V)); \
|
||||
FMOD bool PFX##_empty(SNAME *_queue_); \
|
||||
FMOD bool PFX##_full(SNAME *_queue_); \
|
||||
FMOD size_t PFX##_count(SNAME *_queue_); \
|
||||
FMOD size_t PFX##_capacity(SNAME *_queue_); \
|
||||
\
|
||||
/* Iterator Functions */ \
|
||||
/* Iterator Allocation and Deallocation */ \
|
||||
FMOD SNAME##_iter *PFX##_iter_new(SNAME *target); \
|
||||
FMOD void PFX##_iter_free(SNAME##_iter *iter); \
|
||||
/* Iterator Initialization */ \
|
||||
FMOD void PFX##_iter_init(SNAME##_iter *iter, SNAME *target); \
|
||||
/* Iterator State */ \
|
||||
FMOD bool PFX##_iter_start(SNAME##_iter *iter); \
|
||||
FMOD bool PFX##_iter_end(SNAME##_iter *iter); \
|
||||
FMOD void PFX##_iter_tostart(SNAME##_iter *iter); \
|
||||
FMOD void PFX##_iter_toend(SNAME##_iter *iter); \
|
||||
FMOD bool PFX##_iter_next(SNAME##_iter *iter, V *result, size_t *index); \
|
||||
FMOD bool PFX##_iter_prev(SNAME##_iter *iter, V *result, size_t *index); \
|
||||
/* Iterator Movement */ \
|
||||
FMOD void PFX##_iter_to_start(SNAME##_iter *iter); \
|
||||
FMOD void PFX##_iter_to_end(SNAME##_iter *iter); \
|
||||
FMOD bool PFX##_iter_next(SNAME##_iter *iter); \
|
||||
FMOD bool PFX##_iter_prev(SNAME##_iter *iter); \
|
||||
/* Iterator Access */ \
|
||||
FMOD V PFX##_iter_value(SNAME##_iter *iter); \
|
||||
FMOD V *PFX##_iter_rvalue(SNAME##_iter *iter); \
|
||||
FMOD size_t PFX##_iter_index(SNAME##_iter *iter); \
|
||||
\
|
||||
/* SOURCE ********************************************************************/
|
||||
#define QUEUE_GENERATE_SOURCE(PFX, SNAME, FMOD, V) \
|
||||
\
|
||||
/* Implementation Detail Functions */ \
|
||||
FMOD bool PFX##_grow(SNAME *_queue_); \
|
||||
SNAME##_iter PFX##_impl_it_start(SNAME *_list_); \
|
||||
SNAME##_iter PFX##_impl_it_end(SNAME *_list_); \
|
||||
\
|
||||
FMOD SNAME *PFX##_new(size_t size) \
|
||||
{ \
|
||||
@@ -117,6 +160,9 @@
|
||||
_queue_->front = 0; \
|
||||
_queue_->rear = 0; \
|
||||
\
|
||||
_queue_->it_start = PFX##_impl_it_start; \
|
||||
_queue_->it_end = PFX##_impl_it_end; \
|
||||
\
|
||||
return _queue_; \
|
||||
} \
|
||||
\
|
||||
@@ -255,7 +301,7 @@
|
||||
return PFX##_empty(iter->target) || iter->end; \
|
||||
} \
|
||||
\
|
||||
FMOD void PFX##_iter_tostart(SNAME##_iter *iter) \
|
||||
FMOD void PFX##_iter_to_start(SNAME##_iter *iter) \
|
||||
{ \
|
||||
iter->cursor = iter->target->front; \
|
||||
iter->index = 0; \
|
||||
@@ -263,7 +309,7 @@
|
||||
iter->end = PFX##_empty(iter->target); \
|
||||
} \
|
||||
\
|
||||
FMOD void PFX##_iter_toend(SNAME##_iter *iter) \
|
||||
FMOD void PFX##_iter_to_end(SNAME##_iter *iter) \
|
||||
{ \
|
||||
if (PFX##_empty(iter->target)) \
|
||||
iter->cursor = 0; \
|
||||
@@ -275,15 +321,12 @@
|
||||
iter->end = true; \
|
||||
} \
|
||||
\
|
||||
FMOD bool PFX##_iter_next(SNAME##_iter *iter, V *result, size_t *index) \
|
||||
FMOD bool PFX##_iter_next(SNAME##_iter *iter) \
|
||||
{ \
|
||||
if (iter->end) \
|
||||
return false; \
|
||||
\
|
||||
*index = iter->index; \
|
||||
*result = iter->target->buffer[iter->cursor]; \
|
||||
\
|
||||
iter->start = false; \
|
||||
iter->start = PFX##_empty(iter->target); \
|
||||
\
|
||||
if (iter->index == iter->target->count - 1) \
|
||||
iter->end = true; \
|
||||
@@ -296,15 +339,12 @@
|
||||
return true; \
|
||||
} \
|
||||
\
|
||||
FMOD bool PFX##_iter_prev(SNAME##_iter *iter, V *result, size_t *index) \
|
||||
FMOD bool PFX##_iter_prev(SNAME##_iter *iter) \
|
||||
{ \
|
||||
if (iter->start) \
|
||||
return false; \
|
||||
\
|
||||
*index = iter->index; \
|
||||
*result = iter->target->buffer[iter->cursor]; \
|
||||
\
|
||||
iter->end = false; \
|
||||
iter->end = PFX##_empty(iter->target); \
|
||||
\
|
||||
if (iter->index == 0) \
|
||||
iter->start = true; \
|
||||
@@ -317,6 +357,27 @@
|
||||
return true; \
|
||||
} \
|
||||
\
|
||||
FMOD V PFX##_iter_value(SNAME##_iter *iter) \
|
||||
{ \
|
||||
if (PFX##_empty(iter->target)) \
|
||||
return 0; \
|
||||
\
|
||||
return iter->target->buffer[iter->cursor]; \
|
||||
} \
|
||||
\
|
||||
FMOD V *PFX##_iter_rvalue(SNAME##_iter *iter) \
|
||||
{ \
|
||||
if (PFX##_empty(iter->target)) \
|
||||
return NULL; \
|
||||
\
|
||||
return &(iter->target->buffer[iter->cursor]); \
|
||||
} \
|
||||
\
|
||||
FMOD size_t PFX##_iter_index(SNAME##_iter *iter) \
|
||||
{ \
|
||||
return iter->index; \
|
||||
} \
|
||||
\
|
||||
FMOD bool PFX##_grow(SNAME *_queue_) \
|
||||
{ \
|
||||
\
|
||||
@@ -340,6 +401,26 @@
|
||||
_queue_->rear = _queue_->count; \
|
||||
\
|
||||
return true; \
|
||||
} \
|
||||
\
|
||||
SNAME##_iter PFX##_impl_it_start(SNAME *_list_) \
|
||||
{ \
|
||||
SNAME##_iter iter; \
|
||||
\
|
||||
PFX##_iter_init(&iter, _list_); \
|
||||
PFX##_iter_to_start(&iter); \
|
||||
\
|
||||
return iter; \
|
||||
} \
|
||||
\
|
||||
SNAME##_iter PFX##_impl_it_end(SNAME *_list_) \
|
||||
{ \
|
||||
SNAME##_iter iter; \
|
||||
\
|
||||
PFX##_iter_init(&iter, _list_); \
|
||||
PFX##_iter_to_end(&iter); \
|
||||
\
|
||||
return iter; \
|
||||
}
|
||||
|
||||
#endif /* CMC_QUEUE_H */
|
||||
Reference in new issue
Block a user