Box Backup 0.09 with a few tweeks

1 files changed, 46 insertions, 0 deletions

diff --git a/lib/common/PartialReadStream.h b/lib/common/PartialReadStream.h
new file mode 100755
index 00000000..42cb7aeb
--- /dev/null
+++ b/lib/common/PartialReadStream.h
@@ -0,0 +1,46 @@
+// --------------------------------------------------------------------------
+//
+// File
+//		Name:    PartialReadStream.h
+//		Purpose: Read part of another stream
+//		Created: 2003/08/26
+//
+// --------------------------------------------------------------------------
+
+#ifndef PARTIALREADSTREAM__H
+#define PARTIALREADSTREAM__H
+
+#include "IOStream.h"
+
+// --------------------------------------------------------------------------
+//
+// Class
+//		Name:    PartialReadStream
+//		Purpose: Read part of another stream
+//		Created: 2003/08/26
+//
+// --------------------------------------------------------------------------
+class PartialReadStream : public IOStream
+{
+public:
+	PartialReadStream(IOStream &rSource, int BytesToRead);
+	~PartialReadStream();
+private:
+	// no copying allowed
+	PartialReadStream(const IOStream &);
+	PartialReadStream(const PartialReadStream &);
+	
+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 bool StreamDataLeft();
+	virtual bool StreamClosed();
+
+private:
+	IOStream &mrSource;
+	int mBytesLeft;
+};
+
+#endif // PARTIALREADSTREAM__H
+