*

LifeCore/vfs/fs_win/IFSStream.h

@@ -0,0 +1,86 @@
+#ifndef IFSSTREAM_H__
+#define IFSSTREAM_H__
+
+#include "../../IDataStream.h"
+#include "../../LString.h"
+#include <assert.h>
+#include <windows.h>
+
+namespace LifeCore
+{
+	class IFSStream : public IDataStream
+	{
+	private:
+		int openMode;
+		size_t stmLength;
+		HANDLE pFile;
+	public:
+		~IFSStream()
+		{
+			//printf("DESTRUCTING WIN FILE STREAM\n");
+			Close();
+		}
+		void Close()
+		{
+			//printf("CLOSING WIN FILE STREAM\n");
+			if(pFile)
+				CloseHandle(pFile);
+			pFile = (HANDLE)0;
+		}
+		IFSStream(String& path, int fileAccessMode, size_t size)
+		{
+			UNREFERENCED_PARAMETER(size);
+			this->stmLength = 0;
+			openMode = fileAccessMode;
+			if (fileAccessMode == FA_READ)
+			{
+				pFile = CreateFileA(path.c_str(), GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
+			}
+			else
+			{
+				pFile = CreateFileA(path.c_str(), GENERIC_WRITE, FILE_SHARE_READ, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
+			}
+
+			this->stmLength = SetFilePointer(pFile, 0, NULL, FILE_END);
+			SetFilePointer(pFile, 0, NULL, FILE_BEGIN);
+		}
+		size_t Read(void* pBuffer, size_t countBytes)
+		{
+			DWORD numBytes = 0;
+
+			ReadFile(pFile,pBuffer,countBytes, &numBytes, NULL);
+			return numBytes;
+		}
+		size_t Write(const void* pBuffer, size_t countBytes)
+		{
+			DWORD numBytes = 0;
+			WriteFile(pFile,pBuffer,countBytes,&numBytes, NULL);
+			return numBytes;
+		}
+		void Seek(size_t position)
+		{
+			SetFilePointer(pFile, position, NULL, FILE_BEGIN);
+		}
+		size_t Tell()
+		{
+			return SetFilePointer(pFile, 0, NULL, FILE_CURRENT);
+		}
+		size_t Length()
+		{
+			int pos = Tell();
+			int length = SetFilePointer(pFile, 0, NULL, SEEK_END);
+			SetFilePointer(pFile, pos, NULL, SEEK_SET);
+			return length;
+		}
+		bool CanRead()
+		{
+			return true;
+		}
+		bool CanWrite()
+		{
+			return true;
+		}
+	};
+}
+
+#endif