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Diffstat (limited to 'lib/common/BufferedStream.h')
-rw-r--r-- | lib/common/BufferedStream.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/lib/common/BufferedStream.h b/lib/common/BufferedStream.h new file mode 100644 index 00000000..079c482a --- /dev/null +++ b/lib/common/BufferedStream.h @@ -0,0 +1,43 @@ +// -------------------------------------------------------------------------- +// +// File +// Name: BufferedStream.h +// Purpose: Buffering read-only wrapper around IOStreams +// Created: 2007/01/16 +// +// -------------------------------------------------------------------------- + +#ifndef BUFFEREDSTREAM__H +#define BUFFEREDSTREAM__H + +#include "IOStream.h" + +class BufferedStream : public IOStream +{ +private: + IOStream& mrSource; + char mBuffer[4096]; + int mBufferSize; + int mBufferPosition; + +public: + BufferedStream(IOStream& rSource); + + 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(IOStream::pos_type Offset, int SeekType); + virtual void Close(); + + virtual bool StreamDataLeft(); + virtual bool StreamClosed(); + +private: + BufferedStream(const BufferedStream &rToCopy) + : mrSource(rToCopy.mrSource) { /* do not call */ } +}; + +#endif // BUFFEREDSTREAM__H + + |