1 files changed, 87 insertions, 0 deletions

diff --git a/source/modules/asura-utils/IO/DataBuffer.h b/source/modules/asura-utils/IO/DataBuffer.h
new file mode 100644
index 0000000..93fac6e
--- /dev/null
+++ b/source/modules/asura-utils/IO/DataBuffer.h
@@ -0,0 +1,87 @@
+#ifndef _ASURA_ENGINE_DATABUFFER_H_
+#define _ASURA_ENGINE_DATABUFFER_H_
+
+#include <cstdlib>
+
+#include "../Scripting/Portable.hpp"
+#include "../Threads/Mutex.h"
+
+namespace AsuraEngine
+{
+	namespace IO
+	{
+
+		///
+		/// ���ڴ����ݵķ�װ�����е�����ʹ��Data buffer��װ����ֱ��ʹ��const void*��ͨ��resource manager��ȡ��
+		///
+		class DataBuffer ASURA_FINAL
+			: public AEScripting::Portable<DataBuffer>
+		{
+		public:
+
+			LUAX_DECL_FACTORY(DataBuffer);
+
+			DataBuffer(DataBuffer& src);
+			DataBuffer(std::size_t capacity);
+			DataBuffer(const void* bytes, std::size_t size);
+			~DataBuffer();
+
+			byte* GetData();
+			size_t GetSize();
+			size_t GetCapacity();
+
+			///
+			/// �޸������������
+			///
+			void Refactor(size_t capacity);
+
+			///
+			/// ��������Դ���˻���
+			///
+			void Load(DataBuffer& db);
+			void Load(const void* bytes, std::size_t size);
+
+			///
+			/// ��bytes����ӵ������Ȩ��capacityΪsize
+			///
+			void Move(void* bytes, std::size_t size);
+
+			///
+			/// ��������
+			///
+			void Clear();
+
+			void Lock();
+			void Unlock();
+			
+		private:
+
+			LUAX_DECL_METHOD(_New);
+			LUAX_DECL_METHOD(_GetData);
+			LUAX_DECL_METHOD(_GetSize);
+			LUAX_DECL_METHOD(_GetCapacity);
+			LUAX_DECL_METHOD(_Refactor);
+			LUAX_DECL_METHOD(_Load);
+			LUAX_DECL_METHOD(_Clear);
+
+			///
+			/// Buffer�׵�ַ���������ݵij���
+			///
+			byte* m_Bytes;
+			size_t m_Size;
+
+			///
+			/// Buffer������
+			///
+			size_t m_Capacity;
+
+			AEThreading::Mutex m_Mutex;
+
+		};
+
+	}
+}
+
+namespace AEIO = AsuraEngine::IO;
+
+#endif
\ No newline at end of file