Differential D20692 Diff 49352 src/applications/phortune/pdf/PhabricatorPDFTailFragment.php

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				<?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');
				}

				}