SYNOPSIS

#include <inflateinputstreambuf.h>

Inherits zipios::FilterInputStreambuf.

Inherited by zipios::ZipInputStreambuf.

Public Member Functions

InflateInputStreambuf (streambuf *inbuf, int s_pos=-1, bool del_inbuf=false)
InflateInputStreambuf constructor.
bool reset (int stream_position=-1)
Resets the zlib stream and purges input and output buffers.

Protected Member Functions

virtual int underflow ()

Protected Attributes

const int _outvecsize

vector< char > _outvec

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.

Constructor & Destructor Documentation

zipios::InflateInputStreambuf::InflateInputStreambuf (streambuf *inbuf, ints_pos = -1, booldel_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.

Member Function Documentation

bool zipios::InflateInputStreambuf::reset (intstream_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.

Author

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