Box Backup 0.09 with a few tweeks

1 files changed, 52 insertions, 0 deletions

diff --git a/lib/common/MemBlockStream.h b/lib/common/MemBlockStream.h
new file mode 100755
index 00000000..f78ff8e6
--- /dev/null
+++ b/lib/common/MemBlockStream.h
@@ -0,0 +1,52 @@
+// --------------------------------------------------------------------------
+//
+// File
+//		Name:    MemBlockStream.h
+//		Purpose: Stream out data from any memory block
+//		Created: 2003/09/05
+//
+// --------------------------------------------------------------------------
+
+#ifndef MEMBLOCKSTREAM__H
+#define MEMBLOCKSTREAM__H
+
+#include "IOStream.h"
+
+class StreamableMemBlock;
+class CollectInBufferStream;
+
+// --------------------------------------------------------------------------
+//
+// Class
+//		Name:    MemBlockStream
+//		Purpose: Stream out data from any memory block -- be careful the lifetime
+//				 of the block is greater than the lifetime of this stream.
+//		Created: 2003/09/05
+//
+// --------------------------------------------------------------------------
+class MemBlockStream : public IOStream
+{
+public:
+	MemBlockStream(const void *pBuffer, int Size);
+	MemBlockStream(const StreamableMemBlock &rBlock);
+	MemBlockStream(const CollectInBufferStream &rBuffer);
+	MemBlockStream(const MemBlockStream &rToCopy);
+	~MemBlockStream();
+public:
+
+	virtual int Read(void *pBuffer, int NBytes, int Timeout = IOStream::TimeOutInfinite);
+	virtual pos_type BytesLeftToRead();
+	virtual void Write(const void *pBuffer, int NBytes);
+	virtual pos_type GetPosition() const;
+	virtual void Seek(pos_type Offset, int SeekType);
+	virtual bool StreamDataLeft();
+	virtual bool StreamClosed();
+
+private:
+	const char *mpBuffer;
+	int mBytesInBuffer;
+	int mReadPosition;
+};
+
+#endif // MEMBLOCKSTREAM__H
+