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Improved SparsePtr class

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Added implicit conversion from a normal pointer to a sparse pointer
Added implicit conversion to boolean
Added implicit conversion to normal pointer
Added support for const pointers
Renamed Get/Set to GetPtr/SetPtr


Former-commit-id: 32d5d2ec6a7b296c5b89b722de9ca142d5c64aae
This commit is contained in:
Lynix
2014-09-03 13:32:37 +02:00
parent e32c0c626e
commit 522ceb1e30
2 changed files with 70 additions and 13 deletions
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21
include/Nazara/Core/SparsePtr.hpp
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@@ -10,21 +10,34 @@
///FIXME: Est-ce que SparsePtr est vraiment le meilleur nom pour cette classe ?
#include <Nazara/Prerequesites.hpp>
#include <type_traits>
template<typename T>
class NzSparsePtr
{
public:
using BytePtr = typename std::conditional<std::is_const<T>::value, const nzUInt8*, nzUInt8*>::type;
using VoidPtr = typename std::conditional<std::is_const<T>::value, const void*, void*>::type;
NzSparsePtr();
NzSparsePtr(void* ptr, unsigned int stride);
NzSparsePtr(T* ptr);
NzSparsePtr(VoidPtr ptr, unsigned int stride);
NzSparsePtr(const NzSparsePtr& ptr) = default;
~NzSparsePtr() = default;
void* Get() const;
VoidPtr GetPtr() const;
unsigned int GetStride() const;
void Set(void* ptr);
void Reset();
void Reset(T* ptr);
void Reset(VoidPtr ptr, unsigned int stride);
void Reset(const NzSparsePtr& ptr);
void SetPtr(VoidPtr ptr);
void SetStride(unsigned int stride);
operator bool() const;
operator T*() const;
T& operator*() const;
T& operator->() const;
T& operator[](unsigned int index) const;
@@ -51,7 +64,7 @@ class NzSparsePtr
NzSparsePtr& operator=(const NzSparsePtr& ptr) = default;
private:
nzUInt8* m_ptr;
BytePtr m_ptr;
unsigned int m_stride;
};