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-rw-r--r--core/vector.h284
1 files changed, 139 insertions, 145 deletions
diff --git a/core/vector.h b/core/vector.h
index 8113099a6..47f43372c 100644
--- a/core/vector.h
+++ b/core/vector.h
@@ -34,44 +34,42 @@
* @author Juan Linietsky
* Vector container. Regular Vector Container. Use with care and for smaller arrays when possible. Use DVector for large arrays.
*/
-#include "os/memory.h"
#include "error_macros.h"
+#include "os/memory.h"
#include "safe_refcount.h"
#include "sort.h"
-template<class T>
+template <class T>
class Vector {
- mutable T* _ptr;
+ mutable T *_ptr;
- // internal helpers
+ // internal helpers
- _FORCE_INLINE_ SafeRefCount* _get_refcount() const {
+ _FORCE_INLINE_ SafeRefCount *_get_refcount() const {
if (!_ptr)
- return NULL;
+ return NULL;
- return reinterpret_cast<SafeRefCount*>((uint8_t*)_ptr-sizeof(int)-sizeof(SafeRefCount));
- }
+ return reinterpret_cast<SafeRefCount *>((uint8_t *)_ptr - sizeof(int) - sizeof(SafeRefCount));
+ }
- _FORCE_INLINE_ int* _get_size() const {
+ _FORCE_INLINE_ int *_get_size() const {
if (!_ptr)
- return NULL;
- return reinterpret_cast<int*>((uint8_t*)_ptr-sizeof(int));
-
- }
- _FORCE_INLINE_ T* _get_data() const {
+ return NULL;
+ return reinterpret_cast<int *>((uint8_t *)_ptr - sizeof(int));
+ }
+ _FORCE_INLINE_ T *_get_data() const {
if (!_ptr)
- return NULL;
- return reinterpret_cast<T*>(_ptr);
-
- }
+ return NULL;
+ return reinterpret_cast<T *>(_ptr);
+ }
_FORCE_INLINE_ size_t _get_alloc_size(size_t p_elements) const {
//return nearest_power_of_2_templated(p_elements*sizeof(T)+sizeof(SafeRefCount)+sizeof(int));
- return nearest_power_of_2(p_elements*sizeof(T)+sizeof(SafeRefCount)+sizeof(int));
+ return nearest_power_of_2(p_elements * sizeof(T) + sizeof(SafeRefCount) + sizeof(int));
}
_FORCE_INLINE_ bool _get_alloc_size_checked(size_t p_elements, size_t *out) const {
@@ -79,7 +77,7 @@ class Vector {
size_t o;
size_t p;
if (_mul_overflow(p_elements, sizeof(T), &o)) return false;
- if (_add_overflow(o, sizeof(SafeRefCount)+sizeof(int), &p)) return false;
+ if (_add_overflow(o, sizeof(SafeRefCount) + sizeof(int), &p)) return false;
*out = nearest_power_of_2(p);
return true;
#else
@@ -92,19 +90,24 @@ class Vector {
void _unref(void *p_data);
- void _copy_from(const Vector& p_from);
+ void _copy_from(const Vector &p_from);
void _copy_on_write();
-public:
-
-
- _FORCE_INLINE_ T *ptr() { if (!_ptr) return NULL; _copy_on_write(); return (T*)_get_data(); }
- _FORCE_INLINE_ const T *ptr() const { if (!_ptr) return NULL; return _get_data(); }
+public:
+ _FORCE_INLINE_ T *ptr() {
+ if (!_ptr) return NULL;
+ _copy_on_write();
+ return (T *)_get_data();
+ }
+ _FORCE_INLINE_ const T *ptr() const {
+ if (!_ptr) return NULL;
+ return _get_data();
+ }
_FORCE_INLINE_ void clear() { resize(0); }
_FORCE_INLINE_ int size() const {
- int* size = _get_size();
+ int *size = _get_size();
if (size)
return *size;
else
@@ -115,21 +118,23 @@ public:
bool push_back(T p_elem);
void remove(int p_index);
- void erase(const T& p_val) { int idx = find(p_val); if (idx>=0) remove(idx); };
+ void erase(const T &p_val) {
+ int idx = find(p_val);
+ if (idx >= 0) remove(idx);
+ };
void invert();
-
template <class T_val>
- int find(const T_val& p_val, int p_from=0) const;
+ int find(const T_val &p_val, int p_from = 0) const;
- void set(int p_index,T p_elem);
+ void set(int p_index, T p_elem);
T get(int p_index) const;
- inline T& operator[](int p_index) {
+ inline T &operator[](int p_index) {
- if (p_index<0 || p_index>=size()) {
- T& aux=*((T*)0); //nullreturn
- ERR_FAIL_COND_V(p_index<0 || p_index>=size(),aux);
+ if (p_index < 0 || p_index >= size()) {
+ T &aux = *((T *)0); //nullreturn
+ ERR_FAIL_COND_V(p_index < 0 || p_index >= size(), aux);
}
_copy_on_write(); // wants to write, so copy on write.
@@ -137,27 +142,27 @@ public:
return _get_data()[p_index];
}
- inline const T& operator[](int p_index) const {
+ inline const T &operator[](int p_index) const {
- if (p_index<0 || p_index>=size()) {
- const T& aux=*((T*)0); //nullreturn
- ERR_FAIL_COND_V(p_index<0 || p_index>=size(),aux);
+ if (p_index < 0 || p_index >= size()) {
+ const T &aux = *((T *)0); //nullreturn
+ ERR_FAIL_COND_V(p_index < 0 || p_index >= size(), aux);
}
// no cow needed, since it's reading
return _get_data()[p_index];
}
- Error insert(int p_pos,const T& p_val);
+ Error insert(int p_pos, const T &p_val);
- template<class C>
+ template <class C>
void sort_custom() {
int len = size();
- if (len==0)
+ if (len == 0)
return;
T *data = &operator[](0);
- SortArray<T,C> sorter;
- sorter.sort(data,len);
+ SortArray<T, C> sorter;
+ sorter.sort(data, len);
}
void sort() {
@@ -165,86 +170,84 @@ public:
sort_custom<_DefaultComparator<T> >();
}
- void ordered_insert(const T& p_val) {
- int i;
- for (i=0; i<size(); i++) {
+ void ordered_insert(const T &p_val) {
+ int i;
+ for (i = 0; i < size(); i++) {
- if (p_val < operator[](i)) {
- break;
- };
+ if (p_val < operator[](i)) {
+ break;
};
- insert(i, p_val);
+ };
+ insert(i, p_val);
}
- void operator=(const Vector& p_from);
- Vector(const Vector& p_from);
+ void operator=(const Vector &p_from);
+ Vector(const Vector &p_from);
_FORCE_INLINE_ Vector();
_FORCE_INLINE_ ~Vector();
-
};
-template<class T>
+template <class T>
void Vector<T>::_unref(void *p_data) {
if (!p_data)
return;
- SafeRefCount *src = reinterpret_cast<SafeRefCount*>((uint8_t*)p_data-sizeof(int)-sizeof(SafeRefCount));
+ SafeRefCount *src = reinterpret_cast<SafeRefCount *>((uint8_t *)p_data - sizeof(int) - sizeof(SafeRefCount));
if (!src->unref())
return; // still in use
// clean up
- int *count = (int*)(src+1);
- T *data = (T*)(count+1);
+ int *count = (int *)(src + 1);
+ T *data = (T *)(count + 1);
- for (int i=0;i<*count;i++) {
+ for (int i = 0; i < *count; i++) {
// call destructors
data[i].~T();
}
// free mem
- memfree((uint8_t*)p_data-sizeof(int)-sizeof(SafeRefCount));
-
+ memfree((uint8_t *)p_data - sizeof(int) - sizeof(SafeRefCount));
}
-template<class T>
+template <class T>
void Vector<T>::_copy_on_write() {
if (!_ptr)
return;
- if (_get_refcount()->get() > 1 ) {
+ if (_get_refcount()->get() > 1) {
/* in use by more than me */
- void* mem_new = memalloc(_get_alloc_size(*_get_size()));
- SafeRefCount *src_new=(SafeRefCount *)mem_new;
+ void *mem_new = memalloc(_get_alloc_size(*_get_size()));
+ SafeRefCount *src_new = (SafeRefCount *)mem_new;
src_new->init();
- int * _size = (int*)(src_new+1);
- *_size=*_get_size();
+ int *_size = (int *)(src_new + 1);
+ *_size = *_get_size();
- T*_data=(T*)(_size+1);
+ T *_data = (T *)(_size + 1);
// initialize new elements
- for (int i=0;i<*_size;i++) {
+ for (int i = 0; i < *_size; i++) {
- memnew_placement(&_data[i], T( _get_data()[i] ) );
+ memnew_placement(&_data[i], T(_get_data()[i]));
}
_unref(_ptr);
- _ptr=_data;
+ _ptr = _data;
}
-
}
-template<class T> template<class T_val>
+template <class T>
+template <class T_val>
int Vector<T>::find(const T_val &p_val, int p_from) const {
int ret = -1;
if (p_from < 0 || size() == 0)
return ret;
- for (int i=p_from; i<size(); i++) {
+ for (int i = p_from; i < size(); i++) {
if (operator[](i) == p_val) {
ret = i;
@@ -255,18 +258,18 @@ int Vector<T>::find(const T_val &p_val, int p_from) const {
return ret;
}
-template<class T>
+template <class T>
Error Vector<T>::resize(int p_size) {
- ERR_FAIL_COND_V(p_size<0,ERR_INVALID_PARAMETER);
+ ERR_FAIL_COND_V(p_size < 0, ERR_INVALID_PARAMETER);
- if (p_size==size())
+ if (p_size == size())
return OK;
- if (p_size==0) {
+ if (p_size == 0) {
// wants to clean up
_unref(_ptr);
- _ptr=NULL;
+ _ptr = NULL;
return OK;
}
@@ -276,157 +279,148 @@ Error Vector<T>::resize(int p_size) {
size_t alloc_size;
ERR_FAIL_COND_V(!_get_alloc_size_checked(p_size, &alloc_size), ERR_OUT_OF_MEMORY);
- if (p_size>size()) {
+ if (p_size > size()) {
- if (size()==0) {
+ if (size() == 0) {
// alloc from scratch
- void* ptr=memalloc(alloc_size);
- ERR_FAIL_COND_V( !ptr ,ERR_OUT_OF_MEMORY);
- _ptr=(T*)((uint8_t*)ptr+sizeof(int)+sizeof(SafeRefCount));
+ void *ptr = memalloc(alloc_size);
+ ERR_FAIL_COND_V(!ptr, ERR_OUT_OF_MEMORY);
+ _ptr = (T *)((uint8_t *)ptr + sizeof(int) + sizeof(SafeRefCount));
_get_refcount()->init(); // init refcount
- *_get_size()=0; // init size (currently, none)
+ *_get_size() = 0; // init size (currently, none)
} else {
- void *_ptrnew = (T*)memrealloc((uint8_t*)_ptr-sizeof(int)-sizeof(SafeRefCount), alloc_size);
- ERR_FAIL_COND_V( !_ptrnew ,ERR_OUT_OF_MEMORY);
- _ptr=(T*)((uint8_t*)_ptrnew+sizeof(int)+sizeof(SafeRefCount));
+ void *_ptrnew = (T *)memrealloc((uint8_t *)_ptr - sizeof(int) - sizeof(SafeRefCount), alloc_size);
+ ERR_FAIL_COND_V(!_ptrnew, ERR_OUT_OF_MEMORY);
+ _ptr = (T *)((uint8_t *)_ptrnew + sizeof(int) + sizeof(SafeRefCount));
}
// construct the newly created elements
- T*elems = _get_data();
+ T *elems = _get_data();
- for (int i=*_get_size();i<p_size;i++) {
+ for (int i = *_get_size(); i < p_size; i++) {
- memnew_placement(&elems[i], T) ;
+ memnew_placement(&elems[i], T);
}
- *_get_size()=p_size;
+ *_get_size() = p_size;
- } else if (p_size<size()) {
+ } else if (p_size < size()) {
// deinitialize no longer needed elements
- for (int i=p_size;i<*_get_size();i++) {
+ for (int i = p_size; i < *_get_size(); i++) {
- T* t = &_get_data()[i];
+ T *t = &_get_data()[i];
t->~T();
}
- void *_ptrnew = (T*)memrealloc((uint8_t*)_ptr-sizeof(int)-sizeof(SafeRefCount), alloc_size);
- ERR_FAIL_COND_V( !_ptrnew ,ERR_OUT_OF_MEMORY);
+ void *_ptrnew = (T *)memrealloc((uint8_t *)_ptr - sizeof(int) - sizeof(SafeRefCount), alloc_size);
+ ERR_FAIL_COND_V(!_ptrnew, ERR_OUT_OF_MEMORY);
- _ptr=(T*)((uint8_t*)_ptrnew+sizeof(int)+sizeof(SafeRefCount));
-
- *_get_size()=p_size;
+ _ptr = (T *)((uint8_t *)_ptrnew + sizeof(int) + sizeof(SafeRefCount));
+ *_get_size() = p_size;
}
return OK;
}
-
-template<class T>
+template <class T>
void Vector<T>::invert() {
- for(int i=0;i<size()/2;i++) {
+ for (int i = 0; i < size() / 2; i++) {
- SWAP( operator[](i), operator[](size()-i-1) );
+ SWAP(operator[](i), operator[](size() - i - 1));
}
}
-template<class T>
-void Vector<T>::set(int p_index,T p_elem) {
+template <class T>
+void Vector<T>::set(int p_index, T p_elem) {
- operator[](p_index)=p_elem;
+ operator[](p_index) = p_elem;
}
-template<class T>
+template <class T>
T Vector<T>::get(int p_index) const {
return operator[](p_index);
}
-template<class T>
+template <class T>
bool Vector<T>::push_back(T p_elem) {
- Error err = resize(size()+1);
- ERR_FAIL_COND_V( err, true )
- set(size()-1,p_elem);
+ Error err = resize(size() + 1);
+ ERR_FAIL_COND_V(err, true)
+ set(size() - 1, p_elem);
return false;
}
-
-template<class T>
+template <class T>
void Vector<T>::remove(int p_index) {
ERR_FAIL_INDEX(p_index, size());
- T*p=ptr();
- int len=size();
- for (int i=p_index; i<len-1; i++) {
+ T *p = ptr();
+ int len = size();
+ for (int i = p_index; i < len - 1; i++) {
- p[i]=p[i+1];
+ p[i] = p[i + 1];
};
- resize(len-1);
+ resize(len - 1);
};
-template<class T>
-void Vector<T>::_copy_from(const Vector& p_from) {
+template <class T>
+void Vector<T>::_copy_from(const Vector &p_from) {
if (_ptr == p_from._ptr)
return; // self assign, do nothing.
_unref(_ptr);
- _ptr=NULL;
+ _ptr = NULL;
if (!p_from._ptr)
return; //nothing to do
if (p_from._get_refcount()->ref()) // could reference
- _ptr=p_from._ptr;
-
+ _ptr = p_from._ptr;
}
-template<class T>
-void Vector<T>::operator=(const Vector& p_from) {
+template <class T>
+void Vector<T>::operator=(const Vector &p_from) {
_copy_from(p_from);
}
+template <class T>
+Error Vector<T>::insert(int p_pos, const T &p_val) {
-template<class T>
-Error Vector<T>::insert(int p_pos,const T& p_val) {
-
- ERR_FAIL_INDEX_V(p_pos,size()+1,ERR_INVALID_PARAMETER);
- resize(size()+1);
- for (int i=(size()-1);i>p_pos;i--)
- set( i, get(i-1) );
- set( p_pos, p_val );
+ ERR_FAIL_INDEX_V(p_pos, size() + 1, ERR_INVALID_PARAMETER);
+ resize(size() + 1);
+ for (int i = (size() - 1); i > p_pos; i--)
+ set(i, get(i - 1));
+ set(p_pos, p_val);
return OK;
}
-template<class T>
-Vector<T>::Vector(const Vector& p_from) {
-
- _ptr=NULL;
- _copy_from( p_from );
+template <class T>
+Vector<T>::Vector(const Vector &p_from) {
+ _ptr = NULL;
+ _copy_from(p_from);
}
-template<class T>
+template <class T>
Vector<T>::Vector() {
- _ptr=NULL;
+ _ptr = NULL;
}
-
-template<class T>
+template <class T>
Vector<T>::~Vector() {
_unref(_ptr);
-
}
-
#endif
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