first commit

include/platform/filesystem/io_handle_segment.h

@@ -0,0 +1,42 @@
+/* -----------------------------------------------------------------------------
+	GSFramework
+	Copyright 2001-2013 Emmanuel Julien. All Rights Reserved.
+----------------------------------------------------------------------------- */
+
+
+#ifndef	__NIOHANDLESEGMENT__
+#define	__NIOHANDLESEGMENT__
+
+
+		#include "filesystem/io_handle.h"
+		#include "memory/nauto_ptr.h"
+
+
+namespace GS {
+	namespace IO {
+
+//
+class	HandleSegment : public Handle
+{
+		Handle		*handle;
+		size_t		offset, size;
+		size_t		cursor;
+
+public:
+
+virtual	size_t			GetSize();
+
+virtual	size_t			Tell();
+virtual	size_t			Seek(ptrdiff_t, Base::SeekRef = Base::SeekCurrent);
+
+virtual	size_t			Read(void *, size_t);
+virtual	size_t			Write(const void *, size_t);
+
+		HandleSegment(Handle *h, size_t o, size_t s) : Handle(0), handle(h), offset(o), size(s), cursor(0) {}
+};
+
+	}	// IO
+}	// GS
+
+
+#endif	// __NIOHANDLESEGMENT__