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zipios::InflateInputStreambuf Class Reference

InflateInputStreambuf is an input stream filter, that inflates the input from the attached input stream. More...

#include <inflateinputstreambuf.h>

Inheritance diagram for zipios::InflateInputStreambuf

[legend]List of all members.

Public Methods
	InflateInputStreambuf ( streambuf *inbuf, int s_pos = -1, bool del_inbuf = false )
	InflateInputStreambuf constructor. More...
virtual	~InflateInputStreambuf ()
bool	reset ( int stream_position = -1 )
	Resets the zlib stream and purges input and output buffers. More...
Protected Methods
virtual int	underflow ()
Protected Attributes
const int	_outvecsize
vector< char >	_outvec

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Detailed Description

InflateInputStreambuf is an input stream filter, that inflates the input from the attached input stream.

Deflation/Inflation is a compression/decompression method used in gzip and zip. The zlib library is used to perform the actual inflation, this class only wraps the functionality in an input stream filter.

Definition at line 22 of file inflateinputstreambuf.h.

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Constructor & Destructor Documentation

zipios::InflateInputStreambuf::InflateInputStreambuf ( streambuf * inbuf, int s_pos = -1, bool del_inbuf = false ) [explicit]

InflateInputStreambuf constructor. Parameters: inbuf   the streambuf to use for input. s_pos   a position to reset the inbuf to before reading. Specify -1 to read from the current position. del_inbuf   if true is specified inbuf will be deleted, when the InflateInputStreambuf is destructed. Definition at line 18 of file inflateinputstreambuf.cpp.

zipios::InflateInputStreambuf::~InflateInputStreambuf ( ) [virtual]

Definition at line 43 of file inflateinputstreambuf.cpp.

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Member Function Documentation

bool zipios::InflateInputStreambuf::reset ( int stream_position = -1 )

Resets the zlib stream and purges input and output buffers. repositions the input streambuf at stream_position. Parameters: stream_position   a position to reset the inbuf to before reading. Specify -1 to read from the current position. Definition at line 117 of file inflateinputstreambuf.cpp.

int zipios::InflateInputStreambuf::underflow ( ) [protected, virtual]

Definition at line 56 of file inflateinputstreambuf.cpp.

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Member Data Documentation

vector< char > zipios::InflateInputStreambuf::_outvec [protected]

Definition at line 49 of file inflateinputstreambuf.h.

const int zipios::InflateInputStreambuf::_outvecsize [protected]

Definition at line 48 of file inflateinputstreambuf.h.

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The documentation for this class was generated from the following files:

• inflateinputstreambuf.h
• inflateinputstreambuf.cpp

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