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Diffstat (limited to 'lib/common/CollectInBufferStream.h')
| -rw-r--r-- | lib/common/CollectInBufferStream.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/lib/common/CollectInBufferStream.h b/lib/common/CollectInBufferStream.h new file mode 100644 index 00000000..90f6889b --- /dev/null +++ b/lib/common/CollectInBufferStream.h @@ -0,0 +1,98 @@ +// distribution boxbackup-0.10 (svn version: 494) +// +// 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: CollectInBufferStream.h +// Purpose: Collect data in a buffer, and then read it out. +// Created: 2003/08/26 +// +// -------------------------------------------------------------------------- + +#ifndef COLLECTINBUFFERSTREAM__H +#define COLLECTINBUFFERSTREAM__H + +#include "IOStream.h" +#include "Guards.h" + +// -------------------------------------------------------------------------- +// +// Class +// Name: CollectInBufferStream +// Purpose: Collect data in a buffer, and then read it out. +// Created: 2003/08/26 +// +// -------------------------------------------------------------------------- +class CollectInBufferStream : public IOStream +{ +public: + CollectInBufferStream(); + ~CollectInBufferStream(); +private: + // No copying + CollectInBufferStream(const CollectInBufferStream &); + CollectInBufferStream(const IOStream &); +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(); + + void SetForReading(); + + void Reset(); + + void *GetBuffer() const; + int GetSize() const; + bool IsSetForReading() const {return !mInWritePhase;} + +private: + MemoryBlockGuard<char*> mBuffer; + int mBufferSize; + int mBytesInBuffer; + int mReadPosition; + bool mInWritePhase; +}; + +#endif // COLLECTINBUFFERSTREAM__H + |