PhabricatorPDFTailFragment.php
No OneTemporary
Actions

Size

1 KB

Referenced Files

None

Subscribers

None

PhabricatorPDFTailFragment.php
View Options

	<?php

	final class PhabricatorPDFTailFragment
	extends PhabricatorPDFFragment {

	private $iterator;

	public function setIterator(PhabricatorPDFIterator $iterator) {
	$this->iterator = $iterator;
	return $this;
	}

	public function getIterator() {
	return $this->iterator;
	}

	protected function writeFragment() {
	$iterator = $this->getIterator();
	$generator = $iterator->getGenerator();
	$objects = $generator->getObjects();

	$xref_offset = null;

	$this->writeLine('xref');
	$this->writeLine('0 %d', count($objects) + 1);
	$this->writeLine('%010d %05d f ', 0, 0xFFFF);

	$offset_map = array();

	$fragment_offsets = $iterator->getFragmentOffsets();
	foreach ($fragment_offsets as $fragment_offset) {
	$fragment = $fragment_offset->getFragment();
	$offset = $fragment_offset->getOffset();

	if ($fragment === $this) {
	$xref_offset = $offset;
	}

	if (!$fragment->hasRefTableEntry()) {
	continue;
	}

	$offset_map[$fragment->getObjectIndex()] = $offset;
	}

	ksort($offset_map);

	foreach ($offset_map as $offset) {
	$this->writeLine('%010d %05d n ', $offset, 0);
	}

	$this->writeLine('trailer');
	$this->writeLine('<<');
	$this->writeLine('/Size %d', count($objects) + 1);

	$info_object = $generator->getInfoObject();
	if ($info_object) {
	$this->writeLine('/Info %d 0 R', $info_object->getObjectIndex());
	}

	$catalog_object = $generator->getCatalogObject();
	if ($catalog_object) {
	$this->writeLine('/Root %d 0 R', $catalog_object->getObjectIndex());
	}

	$this->writeLine('>>');
	$this->writeLine('startxref');
	$this->writeLine('%d', $xref_offset);
	$this->writeLine('%s', '%%EOF');
	}

	}