minsky::InflateFileZStream Struct Reference

#include <zStream.h>

Inheritance diagram for minsky::InflateFileZStream:

Collaboration diagram for minsky::InflateFileZStream:

Public Member Functions
template<class I >
	InflateFileZStream (const I &input)
	~InflateFileZStream ()
void	inflate ()
void	throwError ()
Public Member Functions inherited from minsky::ZStream
	ZStream (Bytef *input, std::size_t inputSize, Bytef *output, std::size_t outputSize)
void	throwError () const

Public Attributes
std::string	output
Bytef *	inputData
std::size_t	inputSize

Detailed Description

Definition at line 94 of file zStream.h.

Constructor & Destructor Documentation

InflateFileZStream()

template<class I >

minsky::InflateFileZStream::InflateFileZStream ( const I &  input )

inline

Definition at line 101 of file zStream.h.

References output, and throwError().

                                      :
      ZStream((Bytef*)input.data(), input.size(), 0,0),
      inputData((Bytef*)input.data()),inputSize(input.size())
    {
      next_out=(Bytef*)output.data();
      avail_out=output.size();
      if (inflateInit2(this,-MAX_WBITS)!=Z_OK) throwError();  //none of MAX_WBITS + 16, MAX_WBITS or -MAX_WBITS works. see https://stackoverflow.com/questions/1838699/how-can-i-decompress-a-gzip-stream-with-zlib
    }

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~InflateFileZStream()

minsky::InflateFileZStream::~InflateFileZStream ( )

inline

Definition at line 109 of file zStream.h.

{inflateEnd(this);}

Member Function Documentation

inflate()

void minsky::InflateFileZStream::inflate ( )

inline

Definition at line 111 of file zStream.h.

References inputData, inputSize, output, and throwError().

                   {
      int err;
      while ((err=::inflate(this,Z_SYNC_FLUSH))==Z_OK)
        {
          // try doubling size
          output.resize(2*output.size());
          next_out=(Bytef*)(output.data())+total_out;
          avail_out=output.size()-total_out;
          next_in=inputData+total_in;
          avail_in=inputSize-total_in;
        }
      if (err!=Z_STREAM_END) throwError();
    }

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throwError()

void minsky::InflateFileZStream::throwError ( )

inline

Definition at line 124 of file zStream.h.

Referenced by inflate(), and InflateFileZStream().

                      {
      throw std::runtime_error(std::string("compression failure: ")+(msg? msg:""));
    }

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Member Data Documentation

inputData

Bytef* minsky::InflateFileZStream::inputData

Definition at line 97 of file zStream.h.

Referenced by inflate().

inputSize

std::size_t minsky::InflateFileZStream::inputSize

Definition at line 98 of file zStream.h.

Referenced by inflate().

output

std::string minsky::InflateFileZStream::output

Definition at line 96 of file zStream.h.

Referenced by inflate(), and InflateFileZStream().

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The documentation for this struct was generated from the following file:

• schema/zStream.h