casacore::BlockInput Class Reference

fixed-length blocked sequential input base class More...

#include <blockio.h>

Inheritance diagram for casacore::BlockInput:

List of all members.

Public Member Functions
	BlockInput (const char *, int, int=1, FITSErrorHandler errhandler=FITSError::defaultHandler)
	Construction can be done either from a filename or from a file descriptor.
	BlockInput (int, int, int=1, FITSErrorHandler errhandler=FITSError::defaultHandler)
virtual	~BlockInput ()
virtual char *	read ()
	read the next logical record or first skip N logical records and then read the next one.
virtual char *	skip (int)

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Detailed Description

fixed-length blocked sequential input base class

Prerequisite

• BlockIO

Definition at line 139 of file blockio.h.

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Constructor & Destructor Documentation

casacore::BlockInput::BlockInput	(	const char *	,
		int	,
		int	= 1,
		FITSErrorHandler	errhandler = FITSError::defaultHandler
	)

Construction can be done either from a filename or from a file descriptor.

The remaining arguments are the the logical record size and number of records that make up a physical record followed by the output stream that is used to write error messages to.

casacore::BlockInput::BlockInput	(	int	,
		int	,
		int	= 1,
		FITSErrorHandler	errhandler = FITSError::defaultHandler
	)

virtual casacore::BlockInput::~BlockInput

(

)

[virtual]

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Member Function Documentation

virtual char* casacore::BlockInput::read

(

)

[virtual]

read the next logical record or first skip N logical records and then read the next one.

(note it is not possible to skip a record without reading a record).
Caution: these functions return a pointer to an internal record; The user must make sure that after destruction of this class no dangling pointers are left;

virtual char* casacore::BlockInput::skip

(

int

)

[virtual]

Reimplemented in casacore::FitsDiskInput.

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

• casacore/fits/FITS/blockio.h