xstream::digest::stream Class Reference

#include <digest.h>

Inheritance diagram for xstream::digest::stream:

Protected Member Functions
int	sync ()
	update digest with as much data as possible (overloaded from streambuf) More...
	stream (size_t len)
	default constructor More...
virtual void	calculate_digest ()=0
	updates the digest must be inplemented by classes that implement this interface More...
virtual void	reset_digest ()=0
	resets digest to it's initial value More...
	~stream ()
std::streamsize	available () const
	remaining characters in the buffer More...
std::streamsize	taken () const
	number of characters in the buffer More...

Protected Attributes
xstream::buffer	buf
uint64_t	length

Private Member Functions
int	overflow (int c)
	write a character that surpasses buffer end (overloaded from streambuf) More...
std::streamsize	xsputn (const char *buffer, std::streamsize n)
	add an entire buffer to digest calculation (overloaded from streambuf) More...

Detailed Description

Definition at line 36 of file digest.h.

Constructor & Destructor Documentation

xstream::digest::stream::stream ( size_t  len )

protected

default constructor

allocates the buffer

len length of buffer

Definition at line 14 of file digest.cpp.

References xstream::buffer::buf, buf, LOG, and xstream::buffer::size.

xstream::digest::stream::~stream ( )

protected

destructor

frees the buffer

Definition at line 21 of file digest.cpp.

References LOG.

Member Function Documentation

std::streamsize xstream::ostreambuf::available ( ) const

inlineprotectedinherited

remaining characters in the buffer

Definition at line 28 of file common.h.

Referenced by xstream::base64::ostreambuf::~ostreambuf().

virtual void xstream::digest::stream::calculate_digest ( )

protectedpure virtual

updates the digest must be inplemented by classes that implement this interface

Referenced by sync().

int xstream::digest::stream::overflow ( int  c )

private

write a character that surpasses buffer end (overloaded from streambuf)

Definition at line 37 of file digest.cpp.

References c, xstream::digest::eof, LOG, and sync().

virtual void xstream::digest::stream::reset_digest ( )

protectedpure virtual

resets digest to it's initial value

Referenced by xstream::digest::common< digest_type >::reset().

int xstream::digest::stream::sync ( )

protected

update digest with as much data as possible (overloaded from streambuf)

Definition at line 26 of file digest.cpp.

References xstream::buffer::buf, buf, calculate_digest(), length, LOG, and xstream::buffer::size.

Referenced by overflow(), xstream::digest::common< digest_type >::reset(), and xsputn().

std::streamsize xstream::ostreambuf::taken ( ) const

inlineprotectedinherited

number of characters in the buffer

Definition at line 36 of file common.h.

Referenced by xsputn().

std::streamsize xstream::digest::stream::xsputn ( const char *  buffer, std::streamsize  n  )

private

add an entire buffer to digest calculation (overloaded from streambuf)

Definition at line 52 of file digest.cpp.

References LOG, sync(), and xstream::ostreambuf::taken().

Member Data Documentation

xstream::buffer xstream::digest::stream::buf

protected

buffer data to calculate digest

Definition at line 59 of file digest.h.

Referenced by stream(), and sync().

uint64_t xstream::digest::stream::length

protected

number of bytes read so far

Definition at line 60 of file digest.h.

Referenced by sync().

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

• digest.h
• digest.cpp