/**
* @param \DateTime $value
* @param Document $document
*/
public function __construct($value, Document $document = null)
{
if (!$value instanceof \DateTime) {
throw new \Exception('DateTime required.');
}
parent::__construct($value, null);
}
/**
* @param string $value
* @param Document $document
*/
public function __construct($value, Document $document = null)
{
$text = '';
$length = strlen($value);
for ($i = 0; $i < $length; $i += 4) {
$hex = substr($value, $i, 4);
$text .= '&#' . hexdec($hex) . ';';
}
$text = html_entity_decode($text, ENT_NOQUOTES, 'UTF-8');
parent::__construct($text, null);
}
/**
* @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 . '".');
}
}
/**
* @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;
}
