memorybuffer.h

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#ifndef _A_UTILS_UTIL_MEMORY_MEMORYBUFFER_INCLUDED_
#define _A_UTILS_UTIL_MEMORY_MEMORYBUFFER_INCLUDED_
 
#include <memory>
 
namespace a_util {
namespace memory {
class MemoryBuffer {
public:
    MemoryBuffer();
 
    MemoryBuffer(std::size_t initial_size);
 
    MemoryBuffer(void* buffer, std::size_t size);
 
    ~MemoryBuffer();
 
    MemoryBuffer(const MemoryBuffer& other);
 
    MemoryBuffer& operator=(const MemoryBuffer& other);
 
    bool allocate(std::size_t new_size);
 
    void reset();
 
    std::size_t getSize() const;
 
    void* getPtr() const;
 
    void attach(void* buffer, std::size_t size);
 
    void swap(MemoryBuffer& other);
 
private:
    struct Implementation;
    std::unique_ptr<Implementation> _impl;
};
 
bool operator==(const MemoryBuffer& lhs, const MemoryBuffer& rhs);
 
bool operator!=(const MemoryBuffer& lhs, const MemoryBuffer& rhs);
 
} // namespace memory
} // namespace a_util
 
#endif // _A_UTILS_UTIL_MEMORY_MEMORYBUFFER_INCLUDED_