ifstreamSSAHA Class Reference

#include <GlobalDefinitions.h>

List of all members.

Public Member Functions
	ifstreamSSAHA (const char *fileName, unsigned long chunkSize=maxChunkSize)
istream &	read (const char *p, unsigned long s)
unsigned long	gcount (void) const
Protected Attributes
unsigned long	chunkSize_
unsigned long	bytesSoFar_
Static Private Attributes
static const unsigned long	maxChunkSize = ( ((unsigned long)1<<31)-1 )

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Detailed Description

Definition at line 488 of file GlobalDefinitions.h.

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Constructor & Destructor Documentation

ifstreamSSAHA::ifstreamSSAHA	(	const char *	fileName,
		unsigned long	chunkSize = maxChunkSize
	)			[inline]

Definition at line 496 of file GlobalDefinitions.h.

    : std::ifstream( fileName ), chunkSize_( chunkSize ) {}

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Member Function Documentation

istream& ifstreamSSAHA::read	(	const char *	p,
		unsigned long	s
	)			[inline]

Definition at line 499 of file GlobalDefinitions.h.

References bytesSoFar_, and maxChunkSize.

  {
    bytesSoFar_=0;
    while ( s > maxChunkSize )
    {
      std::ifstream::read((char*)p,maxChunkSize); 
      p+=maxChunkSize;
      s-=maxChunkSize;
      bytesSoFar_+=std::ifstream::gcount();
    } // ~while
    std::ifstream::read((char*)p,s);
    bytesSoFar_+=std::ifstream::gcount();
    //    cout << "!!!read " << bytesSoFar_ << endl; 
    return *this;
  } // ~read

unsigned long ifstreamSSAHA::gcount

(

void

)

const [inline]

Definition at line 515 of file GlobalDefinitions.h.

References bytesSoFar_.

    { return bytesSoFar_; }

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Member Data Documentation

const unsigned long ifstreamSSAHA::maxChunkSize = ( ((unsigned long)1<<31)-1 ) [static, private]

Definition at line 490 of file GlobalDefinitions.h.

Referenced by read().

unsigned long ifstreamSSAHA::chunkSize_ [protected]

Definition at line 520 of file GlobalDefinitions.h.

unsigned long ifstreamSSAHA::bytesSoFar_ [protected]

Definition at line 521 of file GlobalDefinitions.h.

Referenced by gcount(), and read().

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

• Global/GlobalDefinitions.h

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