|
|
|
@ -20,10 +20,7 @@
|
|
|
|
|
* is delayed. */
|
|
|
|
|
template <class T, uint C>
|
|
|
|
|
struct FixedSizeArray {
|
|
|
|
|
/** the only member of fixed size array is pointer to the block
|
|
|
|
|
* of C array of items. Header can be found on the offset -sizeof(ArrayHeader). */
|
|
|
|
|
T *data;
|
|
|
|
|
|
|
|
|
|
protected:
|
|
|
|
|
/** header for fixed size array */
|
|
|
|
|
struct ArrayHeader
|
|
|
|
|
{
|
|
|
|
@ -35,6 +32,20 @@ struct FixedSizeArray {
|
|
|
|
|
static const uint Tsize = sizeof(T); // size of item
|
|
|
|
|
static const uint HeaderSize = sizeof(ArrayHeader); // size of header
|
|
|
|
|
|
|
|
|
|
/** the only member of fixed size array is pointer to the block
|
|
|
|
|
* of C array of items. Header can be found on the offset -sizeof(ArrayHeader). */
|
|
|
|
|
T *data;
|
|
|
|
|
|
|
|
|
|
/** return reference to the array header (non-const) */
|
|
|
|
|
FORCEINLINE ArrayHeader& Hdr() { return *(ArrayHeader*)(((byte*)data) - HeaderSize); }
|
|
|
|
|
/** return reference to the array header (const) */
|
|
|
|
|
FORCEINLINE const ArrayHeader& Hdr() const { return *(ArrayHeader*)(((byte*)data) - HeaderSize); }
|
|
|
|
|
/** return reference to the block reference counter */
|
|
|
|
|
FORCEINLINE uint& RefCnt() { return Hdr().reference_count; }
|
|
|
|
|
/** return reference to number of used items */
|
|
|
|
|
FORCEINLINE uint& SizeRef() { return Hdr().items; }
|
|
|
|
|
|
|
|
|
|
public:
|
|
|
|
|
/** Default constructor. Preallocate space for items and header, then initialize header. */
|
|
|
|
|
FixedSizeArray()
|
|
|
|
|
{
|
|
|
|
@ -75,16 +86,6 @@ struct FixedSizeArray {
|
|
|
|
|
SizeRef() = 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
protected:
|
|
|
|
|
/** return reference to the array header (non-const) */
|
|
|
|
|
FORCEINLINE ArrayHeader& Hdr() { return *(ArrayHeader*)(((byte*)data) - HeaderSize); }
|
|
|
|
|
/** return reference to the array header (const) */
|
|
|
|
|
FORCEINLINE const ArrayHeader& Hdr() const { return *(ArrayHeader*)(((byte*)data) - HeaderSize); }
|
|
|
|
|
/** return reference to the block reference counter */
|
|
|
|
|
FORCEINLINE uint& RefCnt() { return Hdr().reference_count; }
|
|
|
|
|
/** return reference to number of used items */
|
|
|
|
|
FORCEINLINE uint& SizeRef() { return Hdr().items; }
|
|
|
|
|
public:
|
|
|
|
|
/** return number of used items */
|
|
|
|
|
FORCEINLINE uint Length() const { return Hdr().items; }
|
|
|
|
|
/** return true if array is full */
|
|
|
|
|