Nitf::Segment Class Reference

base class for segment data in an NITF file More...

#include <Segment.h>

Inheritance diagram for Nitf::Segment:

Public Member Functions
	Segment (NITFReaderManager &, LTIOStreamInf &, lt_int64 headerOffset, lt_int64 headerLength, lt_int64 dataOffset, lt_int64 dataLength, const char *code, int segmentNumber, bool doUserSubheader, bool doExtendedSubheader)
virtual	~Segment ()
virtual LT_STATUS	initialize ()
	initializer More...
int	getSegmentNumber () const
const char *	getSegmentID ()
lt_int64	getHeaderOffset () const
lt_int64	getHeaderLength () const
lt_int64	getDataOffset () const
lt_int64	getDataLength () const
const SecurityBlock *	getSecurityBlock () const
const SecurityMetadata *	getSecurityMetadata () const
	returns the security information about the segment More...
virtual LT_STATUS	addMetadata (LTIMetadataDatabase &) const
const char *	getMetadataTagPrefix () const
int	getNumTREs () const
	returns the number of TREs in this segment More...
const TREData *	getTRE (int index) const
	TRE accessor. More...

Protected Member Functions
virtual LT_STATUS	readHeader ()=0
virtual LT_STATUS	readData ()=0
virtual LT_STATUS	addMetadataLocal (LTIMetadataDatabase &) const =0

Protected Attributes
MetadataHelper *	m_mdHelper
FieldReader *	m_field
LTIOStreamInf &	m_stream
const lt_int64	m_headerOffset
lt_int64	m_headerLength
const lt_int64	m_dataOffset
const lt_int64	m_dataLength
NITFReaderManager &	m_manager
Version	m_version
SecurityBlock *	m_securityBlock
const int	m_segmentNumber
const char *	m_segmentID

Detailed Description

This class is the base class for representing all the segment types in an NITF file. It is not be used directly.

Definition at line 42 of file Segment.h.

Constructor & Destructor Documentation

Nitf::Segment::Segment	(	NITFReaderManager &	,
		LTIOStreamInf &	,
		lt_int64	headerOffset,
		lt_int64	headerLength,
		lt_int64	dataOffset,
		lt_int64	dataLength,
		const char *	code,
		int	segmentNumber,
		bool	doUserSubheader,
		bool	doExtendedSubheader
	)

virtual Nitf::Segment::~Segment ( )

virtual

Member Function Documentation

virtual LT_STATUS Nitf::Segment::addMetadata ( LTIMetadataDatabase &  ) const

virtual

virtual LT_STATUS Nitf::Segment::addMetadataLocal ( LTIMetadataDatabase &  ) const

protectedpure virtual

Implemented in Nitf::ImageSegment, Nitf::TextSegment, Nitf::FileHeader, Nitf::GraphicSegment, Nitf::LabelSegment, Nitf::ReservedSegment, and Nitf::DataSegment.

lt_int64 Nitf::Segment::getDataLength

(

)

const

lt_int64 Nitf::Segment::getDataOffset

(

)

const

lt_int64 Nitf::Segment::getHeaderLength

(

)

const

lt_int64 Nitf::Segment::getHeaderOffset

(

)

const

const char* Nitf::Segment::getMetadataTagPrefix

(

)

const

int Nitf::Segment::getNumTREs

(

)

const

const SecurityBlock* Nitf::Segment::getSecurityBlock

(

)

const

const SecurityMetadata* Nitf::Segment::getSecurityMetadata

(

)

const

const char* Nitf::Segment::getSegmentID

(

)

int Nitf::Segment::getSegmentNumber

(

)

const

const TREData* Nitf::Segment::getTRE

(

int

index

)

const

This function is used to access a TRE in the segment.

Parameters

index

the (zero-based) index of the TRE to access

Returns

the TRE data

virtual LT_STATUS Nitf::Segment::initialize ( )

virtual

This function must be called immediately after the constructor.

Returns

success or failure

Reimplemented in Nitf::ImageSegment, Nitf::FileHeader, Nitf::TextSegment, Nitf::GraphicSegment, Nitf::ReservedSegment, Nitf::DataSegment, and Nitf::LabelSegment.

virtual LT_STATUS Nitf::Segment::readData ( )

protectedpure virtual

virtual LT_STATUS Nitf::Segment::readHeader ( )

protectedpure virtual

Member Data Documentation

const lt_int64 Nitf::Segment::m_dataLength

protected

Definition at line 122 of file Segment.h.

const lt_int64 Nitf::Segment::m_dataOffset

protected

Definition at line 121 of file Segment.h.

FieldReader* Nitf::Segment::m_field

protected

Definition at line 116 of file Segment.h.

lt_int64 Nitf::Segment::m_headerLength

protected

Definition at line 120 of file Segment.h.

const lt_int64 Nitf::Segment::m_headerOffset

protected

Definition at line 119 of file Segment.h.

NITFReaderManager& Nitf::Segment::m_manager

protected

Definition at line 124 of file Segment.h.

MetadataHelper* Nitf::Segment::m_mdHelper

protected

Definition at line 114 of file Segment.h.

SecurityBlock* Nitf::Segment::m_securityBlock

protected

Definition at line 127 of file Segment.h.

const char* Nitf::Segment::m_segmentID

protected

Definition at line 130 of file Segment.h.

const int Nitf::Segment::m_segmentNumber

protected

Definition at line 129 of file Segment.h.

LTIOStreamInf& Nitf::Segment::m_stream

protected

Definition at line 118 of file Segment.h.

Version Nitf::Segment::m_version

protected

Definition at line 125 of file Segment.h.

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

• Segment.h