First update on iterators - LIST

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Leonardo committed 2019-05-11 00:24:48 -03:00
1 parent 8843a8fb7a
commit 444f597a98
6 files changed
+361 -76

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@@ -37,76 +37,112 @@
#define LIST_GENERATE_SOURCE_PUBLIC(PFX, SNAME, FMOD, K, V) \
LIST_GENERATE_SOURCE(PFX, SNAME, FMOD, V)
/* STRUCT ********************************************************************/
#define LIST_GENERATE_STRUCT(PFX, SNAME, FMOD, V) \
\
struct SNAME##_s \
{ \
V *buffer; \
size_t capacity; \
size_t count; \
}; \
\
struct SNAME##_iter_s \
{ \
struct SNAME##_s *target; \
size_t cursor; \
bool start; \
bool end; \
}; \
\
#define LIST_GENERATE_STRUCT(PFX, SNAME, FMOD, V)
/* HEADER ********************************************************************/
#define LIST_GENERATE_HEADER(PFX, SNAME, FMOD, V) \
\
typedef struct SNAME##_s SNAME; \
typedef struct SNAME##_iter_s SNAME##_iter; \
typedef struct SNAME##_s \
{ \
/* Dynamic array of elements*/ \
V *buffer; \
\
FMOD SNAME *PFX##_new(size_t size); \
/* Current array capacity */ \
size_t capacity; \
\
/* Current amount of elements */ \
size_t count; \
\
/* Function that returns an iterator to the start of the list */ \
struct SNAME##_iter_s (*it_start)(struct SNAME##_s *); \
\
/* Function that returns an iterator to the end of the list */ \
struct SNAME##_iter_s (*it_end)(struct SNAME##_s *); \
\
} SNAME, *SNAME##_ptr; \
\
typedef struct SNAME##_iter_s \
{ \
/* Target list */ \
struct SNAME##_s *target; \
\
/* Cursor's position */ \
size_t cursor; \
\
/* 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 capacity); \
FMOD SNAME *PFX##_new_from(V *elements, size_t size); \
FMOD void PFX##_clear(SNAME *_list_); \
FMOD void PFX##_free(SNAME *_list_); \
/* Collection Input and Output */ \
FMOD bool PFX##_push_front(SNAME *_list_, V element); \
FMOD bool PFX##_push(SNAME *_list_, V element, size_t index); \
FMOD bool PFX##_push_back(SNAME *_list_, V element); \
FMOD bool PFX##_pop_front(SNAME *_list_); \
FMOD bool PFX##_pop(SNAME *_list_, size_t index); \
FMOD bool PFX##_pop_back(SNAME *_list_); \
/* Conditional Input and Output */ \
FMOD bool PFX##_push_if(SNAME *_list_, V element, size_t index, bool condition); \
FMOD bool PFX##_pop_if(SNAME *_list_, size_t index, bool condition); \
/* Collection Range Input and Output */ \
FMOD bool PFX##_prepend(SNAME *_list_, V *elements, size_t size); \
FMOD bool PFX##_insert(SNAME *_list_, V *elements, size_t size, size_t index); \
FMOD bool PFX##_append(SNAME *_list_, V *elements, size_t size); \
FMOD bool PFX##_remove(SNAME *_list_, size_t from, size_t to); \
FMOD SNAME *PFX##_extract(SNAME *_list_, size_t from, size_t to); \
/* Element Access */ \
FMOD V PFX##_front(SNAME *_list_); \
FMOD V PFX##_get(SNAME *_list_, size_t index); \
FMOD V *PFX##_get_ref(SNAME *_list_, size_t index); \
FMOD V PFX##_back(SNAME *_list_); \
FMOD size_t PFX##_indexof(SNAME *_list_, V element, int (*comparator)(V, V), bool from_start); \
FMOD bool PFX##_contains(SNAME *_list_, V element, int (*comparator)(V, V)); \
/* Collection State */ \
FMOD bool PFX##_empty(SNAME *_list_); \
FMOD bool PFX##_full(SNAME *_list_); \
FMOD size_t PFX##_count(SNAME *_list_); \
FMOD bool PFX##_fits(SNAME *_list_, size_t size); \
FMOD size_t PFX##_capacity(SNAME *_list_); \
\
/* 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 LIST_GENERATE_SOURCE(PFX, SNAME, FMOD, V) \
\
FMOD bool PFX##_grow(SNAME *_list_, size_t required); \
/* Implementation Detail Functions */ \
FMOD bool PFX##_impl_grow(SNAME *_list_, size_t required); \
SNAME##_iter PFX##_impl_it_start(SNAME *_list_); \
SNAME##_iter PFX##_impl_it_end(SNAME *_list_); \
\
FMOD SNAME *PFX##_new(size_t size) \
FMOD SNAME *PFX##_new(size_t capacity) \
{ \
if (size < 1) \
if (capacity < 1) \
return NULL; \
\
SNAME *_list_ = malloc(sizeof(SNAME)); \
@@ -114,7 +150,7 @@
if (!_list_) \
return NULL; \
\
_list_->buffer = malloc(size * sizeof(V)); \
_list_->buffer = malloc(capacity * sizeof(V)); \
\
if (!_list_->buffer) \
{ \
@@ -122,11 +158,14 @@
return NULL; \
} \
\
memset(_list_->buffer, 0, size * sizeof(V)); \
memset(_list_->buffer, 0, capacity * sizeof(V)); \
\
_list_->capacity = size; \
_list_->capacity = capacity; \
_list_->count = 0; \
\
_list_->it_start = PFX##_impl_it_start; \
_list_->it_end = PFX##_impl_it_end; \
\
return _list_; \
} \
\
@@ -164,7 +203,7 @@
{ \
if (PFX##_full(_list_)) \
{ \
if (!PFX##_grow(_list_, _list_->count + 1)) \
if (!PFX##_impl_grow(_list_, _list_->count + 1)) \
return false; \
} \
\
@@ -196,7 +235,7 @@
\
if (PFX##_full(_list_)) \
{ \
if (!PFX##_grow(_list_, _list_->count + 1)) \
if (!PFX##_impl_grow(_list_, _list_->count + 1)) \
return false; \
} \
\
@@ -213,7 +252,7 @@
{ \
if (PFX##_full(_list_)) \
{ \
if (!PFX##_grow(_list_, _list_->count + 1)) \
if (!PFX##_impl_grow(_list_, _list_->count + 1)) \
return false; \
} \
\
@@ -291,7 +330,7 @@
\
if (!PFX##_fits(_list_, size)) \
{ \
if (!PFX##_grow(_list_, _list_->count + size)) \
if (!PFX##_impl_grow(_list_, _list_->count + size)) \
return false; \
} \
\
@@ -317,7 +356,7 @@
{ \
if (!PFX##_fits(_list_, size)) \
{ \
if (!PFX##_grow(_list_, _list_->count + size)) \
if (!PFX##_impl_grow(_list_, _list_->count + size)) \
return false; \
} \
\
@@ -338,7 +377,7 @@
\
if (!PFX##_fits(_list_, size)) \
{ \
if (!PFX##_grow(_list_, _list_->count + size)) \
if (!PFX##_impl_grow(_list_, _list_->count + size)) \
return false; \
} \
\
@@ -517,27 +556,25 @@
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 = 0; \
iter->start = true; \
iter->end = PFX##_empty(iter->target); \
} \
\
FMOD void PFX##_iter_toend(SNAME##_iter *iter) \
FMOD void PFX##_iter_to_end(SNAME##_iter *iter) \
{ \
iter->cursor = iter->target->count - 1; \
iter->start = PFX##_empty(iter->target); \
iter->cursor = PFX##_empty(iter->target) ? 0 : iter->target->count - 1; \
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->cursor; \
*result = iter->target->buffer[iter->cursor]; \
iter->start = false; \
\
if (iter->cursor == iter->target->count - 1) \
@@ -548,13 +585,11 @@
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->cursor; \
*result = iter->target->buffer[iter->cursor]; \
iter->end = false; \
\
if (iter->cursor == 0) \
@@ -565,7 +600,28 @@
return true; \
} \
\
FMOD bool PFX##_grow(SNAME *_list_, size_t required) \
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->cursor; \
} \
\
FMOD bool PFX##_impl_grow(SNAME *_list_, size_t required) \
{ \
size_t new_capacity = _list_->capacity * 2; \
\
@@ -581,6 +637,26 @@
_list_->capacity = new_capacity; \
\
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_LIST_H */