HomePhorge
Diffusion Phorge (HEAD -> master) Code

phorge/src/applications/phortune/pdf/PhabricatorPDFIterator.php
e81eff68e581HEAD -> master

Last Change
Raw File

PhabricatorPDFIterator.php
View Options

<?php
final class PhabricatorPDFIterator
extends Phobject
implements Iterator {
private $generator;
private $hasRewound;
private $fragments;
private $fragmentKey;
private $fragmentBytes;
private $fragmentOffsets = array();
private $byteLength;
public function setGenerator(PhabricatorPDFGenerator $generator) {
if ($this->generator) {
throw new Exception(
pht(
'This iterator already has a generator. You can not modify the '.
'generator for a given iterator.'));
}
$this->generator = $generator;
return $this;
}
public function getGenerator() {
if (!$this->generator) {
throw new Exception(
pht(
'This PDF iterator has no associated PDF generator.'));
}
return $this->generator;
}
public function getFragmentOffsets() {
return $this->fragmentOffsets;
}
public function current() {
return $this->fragmentBytes;
}
public function key() {
return $this->fragmentKey;
}
public function next() {
$this->fragmentKey++;
if (!$this->valid()) {
return;
}
$fragment = $this->fragments[$this->fragmentKey];
$this->fragmentOffsets[] = id(new PhabricatorPDFFragmentOffset())
->setFragment($fragment)
->setOffset($this->byteLength);
$bytes = $fragment->getAsBytes();
$this->fragmentBytes = $bytes;
$this->byteLength += strlen($bytes);
}
public function rewind() {
if ($this->hasRewound) {
throw new Exception(
pht(
'PDF iterators may not be rewound. Create a new iterator to emit '.
'another PDF.'));
}
$generator = $this->getGenerator();
$objects = $generator->getObjects();
$this->fragments = array();
$this->fragments[] = new PhabricatorPDFHeadFragment();
foreach ($objects as $object) {
$this->fragments[] = $object;
}
$this->fragments[] = id(new PhabricatorPDFTailFragment())
->setIterator($this);
$this->hasRewound = true;
$this->fragmentKey = -1;
$this->byteLength = 0;
$this->next();
}
public function valid() {
return isset($this->fragments[$this->fragmentKey]);
}
}

Owner Packages

  • No Owners