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Diffstat (limited to 'lib/common/PartialReadStream.h')
-rw-r--r-- | lib/common/PartialReadStream.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/lib/common/PartialReadStream.h b/lib/common/PartialReadStream.h new file mode 100644 index 00000000..1b46b0bd --- /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, pos_type 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; + pos_type mBytesLeft; +}; + +#endif // PARTIALREADSTREAM__H + |