FixedReader Class Reference

Class FixedReader. More...

Inheritance diagram for FixedReader:

Public Member Functions
	__construct (PdfParser $parser)
	FixedReader constructor.
	fixFaultySubSectionShift ()
	Fixes an invalid object number shift.
	getOffsetFor ($objectNumber)
	Get an offset by an object number. Parameters int $objectNumber Return values int|bool False if the offset was not found.
	getSubSections ()
	Get all subsection data.
	getTrailer ()
	Get the trailer dictionary.
	getTrailer ()
	Get the trailer related to this cross reference.

Protected Member Functions
	read ()
	Read the cross-reference.
	readTrailer ()
	Read the trailer dictionary.

Protected Attributes
PdfParser	$parser
StreamReader	$reader
array	$subSections
	Data of subsections.
PdfDictionary	$trailer

Detailed Description

Class FixedReader.

This reader allows a very less overhead parsing of single entries of the cross-reference, because the main entries are only read when needed and not in a single run.

Constructor & Destructor Documentation

__construct()

FixedReader::__construct

(

PdfParser

$parser

)

FixedReader constructor.

Parameters

PdfParser

$parser

Exceptions

CrossReferenceException

Reimplemented from AbstractReader.

Member Function Documentation

fixFaultySubSectionShift()

FixedReader::fixFaultySubSectionShift

(

)

Fixes an invalid object number shift.

This method can be used to repair documents with an invalid subsection header:

xref 1 7 0000000000 65535 f 0000000009 00000 n 0000412075 00000 n 0000412172 00000 n 0000412359 00000 n 0000412417 00000 n 0000412468 00000 n

It shall only be called on the first table.

Return values

bool

getOffsetFor()

FixedReader::getOffsetFor

(

$objectNumber

)

Get an offset by an object number.

Parameters

int

$objectNumber

Return values

int|bool

False if the offset was not found.

Implements ReaderInterface.

getSubSections()

FixedReader::getSubSections

(

)

Get all subsection data.

Return values

array

getTrailer() [1/2]

AbstractReader::getTrailer ( )

inherited

Get the trailer dictionary.

Return values

PdfDictionary

getTrailer() [2/2]

ReaderInterface::getTrailer ( )

inherited

Get the trailer related to this cross reference.

Return values

PdfDictionary

read()

FixedReader::read ( )

protected

Read the cross-reference.

This reader will only read the subsections in this method. The offsets were resolved individually by this information.

Exceptions

CrossReferenceException

readTrailer()

AbstractReader::readTrailer ( )

protectedinherited

Read the trailer dictionary.

Exceptions

CrossReferenceException
PdfTypeException

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

• mod/assign/feedback/editpdf/fpdi/PdfParser/CrossReference/FixedReader.php