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Diffstat (limited to 'lib/common/BufferedStream.h')
| -rw-r--r-- | lib/common/BufferedStream.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/lib/common/BufferedStream.h b/lib/common/BufferedStream.h new file mode 100644 index 00000000..38df4316 --- /dev/null +++ b/lib/common/BufferedStream.h @@ -0,0 +1,81 @@ +// distribution boxbackup-0.11rc1 (svn version: 2023_2024) +// +// Copyright (c) 2003 - 2006 +// Ben Summers and contributors. All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions +// are met: +// 1. Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// 2. Redistributions in binary form must reproduce the above copyright +// notice, this list of conditions and the following disclaimer in the +// documentation and/or other materials provided with the distribution. +// 3. All use of this software and associated advertising materials must +// display the following acknowledgment: +// This product includes software developed by Ben Summers. +// 4. The names of the Authors may not be used to endorse or promote +// products derived from this software without specific prior written +// permission. +// +// [Where legally impermissible the Authors do not disclaim liability for +// direct physical injury or death caused solely by defects in the software +// unless it is modified by a third party.] +// +// THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR +// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +// DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, +// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +// POSSIBILITY OF SUCH DAMAGE. +// +// +// +// -------------------------------------------------------------------------- +// +// File +// Name: BufferedStream.h +// Purpose: Buffering 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 + + |