/**
* @param string $content
* @param Document $document
* @param int $offset
*
* @return bool|ElementHexa
*/
public static function parse($content, Document $document = null, &$offset = 0)
{
if (preg_match('/^\\s*\\<(?P<name>[A-F0-9]+)\\>/is', $content, $match)) {
$name = $match['name'];
$offset += strpos($content, '<' . $name) + strlen($name) + 2;
// 1 for '>'
// repackage string as standard
$name = '(' . self::decode($name, $document) . ')';
$element = false;
if (!($element = ElementDate::parse($name, $document))) {
$element = ElementString::parse($name, $document);
}
return $element;
}
return false;
}
/**
* @param $type
* @param $value
* @param $document
*
* @return Element|Header
* @throws \Exception
*/
protected function parseHeaderElement($type, $value, $document)
{
switch ($type) {
case '<<':
return $this->parseHeader($value, $document);
case 'numeric':
return new ElementNumeric($value, $document);
case 'boolean':
return new ElementBoolean($value, $document);
case 'null':
return new ElementNull($value, $document);
case '(':
if ($date = ElementDate::parse('(' . $value . ')', $document)) {
return $date;
} else {
return ElementString::parse('(' . $value . ')', $document);
}
case '<':
return $this->parseHeaderElement('(', ElementHexa::decode($value, $document), $document);
case '/':
return ElementName::parse('/' . $value, $document);
case 'ojbref':
// old mistake in tcpdf parser
// old mistake in tcpdf parser
case 'objref':
return new ElementXRef($value, $document);
case '[':
$values = array();
foreach ($value as $sub_element) {
$sub_type = $sub_element[0];
$sub_value = $sub_element[1];
$values[] = $this->parseHeaderElement($sub_type, $sub_value, $document);
}
return new ElementArray($values, $document);
case 'endstream':
case 'obj':
//I don't know what it means but got my project fixed.
//I don't know what it means but got my project fixed.
case '':
// Nothing to do with.
break;
default:
throw new \Exception('Invalid type: "' . $type . '".');
}
}
public function testParse()
{
// Skipped.
$offset = 0;
$element = \Smalot\PdfParser\Element\ElementDate::parse('ABC', null, $offset);
$this->assert->boolean($element)->isEqualTo(false);
$this->assert->integer($offset)->isEqualTo(0);
$offset = 0;
$element = \Smalot\PdfParser\Element\ElementDate::parse(' [ (ABC) 5 6 ]', null, $offset);
$this->assert->boolean($element)->isEqualTo(false);
$this->assert->integer($offset)->isEqualTo(0);
$offset = 0;
$element = \Smalot\PdfParser\Element\ElementDate::parse(' << (invalid) >>', null, $offset);
$this->assert->boolean($element)->isEqualTo(false);
$this->assert->integer($offset)->isEqualTo(0);
$offset = 0;
$element = \Smalot\PdfParser\Element\ElementDate::parse(' / (FlateDecode) ', null, $offset);
$this->assert->boolean($element)->isEqualTo(false);
$this->assert->integer($offset)->isEqualTo(0);
$offset = 0;
$element = \Smalot\PdfParser\Element\ElementDate::parse(' 0 (FlateDecode) ', null, $offset);
$this->assert->boolean($element)->isEqualTo(false);
$this->assert->integer($offset)->isEqualTo(0);
$offset = 0;
$element = \Smalot\PdfParser\Element\ElementDate::parse(" 0 \n (FlateDecode) ", null, $offset);
$this->assert->boolean($element)->isEqualTo(false);
$this->assert->integer($offset)->isEqualTo(0);
// Valid.
$offset = 0;
$element = \Smalot\PdfParser\Element\ElementDate::parse(' (D:20130901235555+02\'00\') ', null, $offset);
$element->setFormat('c');
$this->assert->object($element->getContent())->isInstanceOf('\\DateTime');
$this->assert->castToString($element)->isEqualTo('2013-09-01T23:55:55+02:00');
$this->assert->integer($offset)->isEqualTo(26);
$offset = 0;
$element = \Smalot\PdfParser\Element\ElementDate::parse(' (D:20130901235555+02\'00\') ', null, $offset);
$element->setFormat('c');
$this->assert->object($element->getContent())->isInstanceOf('\\DateTime');
$this->assert->castToString($element)->isEqualTo('2013-09-01T23:55:55+02:00');
$this->assert->integer($offset)->isEqualTo(26);
$offset = 0;
$element = \Smalot\PdfParser\Element\ElementDate::parse(' (D:20130901235555+02\'00\')', null, $offset);
$element->setFormat('c');
$this->assert->object($element->getContent())->isInstanceOf('\\DateTime');
$this->assert->castToString($element)->isEqualTo('2013-09-01T23:55:55+02:00');
$this->assert->integer($offset)->isEqualTo(26);
$offset = 0;
$element = \Smalot\PdfParser\Element\ElementDate::parse('(D:20130901235555+02\'00\')', null, $offset);
$element->setFormat('c');
$this->assert->object($element->getContent())->isInstanceOf('\\DateTime');
$this->assert->castToString($element)->isEqualTo('2013-09-01T23:55:55+02:00');
$this->assert->integer($offset)->isEqualTo(25);
$offset = 0;
$element = \Smalot\PdfParser\Element\ElementDate::parse(" \n (D:20130901235555+02'00') ", null, $offset);
$element->setFormat('c');
$this->assert->object($element->getContent())->isInstanceOf('\\DateTime');
$this->assert->castToString($element)->isEqualTo('2013-09-01T23:55:55+02:00');
$this->assert->integer($offset)->isEqualTo(28);
$offset = 0;
$element = \Smalot\PdfParser\Element\ElementDate::parse(" \n (D:20130901235555) ", null, $offset);
$element->setFormat('c');
$this->assert->object($element->getContent())->isInstanceOf('\\DateTime');
$this->assert->boolean($element->equals(new \DateTime('2013-09-01T23:55:55')))->isEqualTo(true);
$this->assert->integer($offset)->isEqualTo(21);
$offset = 0;
$element = \Smalot\PdfParser\Element\ElementDate::parse("(D:20131206091846Z00'00')", null, $offset);
$element->setFormat('c');
$this->assert->object($element->getContent())->isInstanceOf('\\DateTime');
//$this->assert->boolean($element->equals(new \DateTime('2013-09-01T23:55:55')))->isEqualTo(true);
$this->assert->integer($offset)->isEqualTo(25);
// Format invalid
$offset = 0;
$element = \Smalot\PdfParser\Element\ElementDate::parse(" \n (D:2013+02'00') ", null, $offset);
$this->assert->boolean($element)->isEqualTo(false);
$this->assert->integer($offset)->isEqualTo(0);
}
/**
* @param string $content
* @param Document $document
* @param int $position
*
* @return array
* @throws \Exception
*/
public static function parse($content, Document $document = null, &$position = 0)
{
$args = func_get_args();
$only_values = isset($args[3]) ? $args[3] : false;
$content = trim($content);
$values = array();
do {
$old_position = $position;
if (!$only_values) {
if (!preg_match('/^\\s*(?P<name>\\/[A-Z0-9\\._]+)(?P<value>.*)/si', substr($content, $position), $match)) {
break;
} else {
$name = ltrim($match['name'], '/');
$value = $match['value'];
$position = strpos($content, $value, $position + strlen($match['name']));
}
} else {
$name = count($values);
$value = substr($content, $position);
}
if ($element = ElementName::parse($value, $document, $position)) {
$values[$name] = $element;
} elseif ($element = ElementXRef::parse($value, $document, $position)) {
$values[$name] = $element;
} elseif ($element = ElementNumeric::parse($value, $document, $position)) {
$values[$name] = $element;
} elseif ($element = ElementStruct::parse($value, $document, $position)) {
$values[$name] = $element;
} elseif ($element = ElementBoolean::parse($value, $document, $position)) {
$values[$name] = $element;
} elseif ($element = ElementNull::parse($value, $document, $position)) {
$values[$name] = $element;
} elseif ($element = ElementDate::parse($value, $document, $position)) {
$values[$name] = $element;
} elseif ($element = ElementString::parse($value, $document, $position)) {
$values[$name] = $element;
} elseif ($element = ElementHexa::parse($value, $document, $position)) {
$values[$name] = $element;
} elseif ($element = ElementArray::parse($value, $document, $position)) {
$values[$name] = $element;
} else {
$position = $old_position;
break;
}
} while ($position < strlen($content));
return $values;
}
