290 lines
10 KiB
PHP
290 lines
10 KiB
PHP
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<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Amf
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* @subpackage Parse_Amf0
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* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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/** Zend_Amf_Parse_Serializer */
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require_once 'Zend/Amf/Parse/Serializer.php';
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/**
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* Serializer php misc types back to there corresponding AMF0 Type Marker.
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*
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* @uses Zend_Amf_Parse_Serializer
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* @package Zend_Amf
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* @subpackage Parse_Amf0
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* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Amf_Parse_Amf0_Serializer extends Zend_Amf_Parse_Serializer
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{
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/**
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* @var string Name of the class to be returned
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*/
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protected $_className = '';
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/**
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* Determine type and serialize accordingly
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*
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* Checks to see if the type was declared and then either
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* auto negotiates the type or relies on the user defined markerType to
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* serialize the data into amf
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*
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* @param misc $data
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* @param misc $markerType
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* @return Zend_Amf_Parse_Amf0_Serializer
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* @throws Zend_Amf_Exception for unrecognized types or data
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*/
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public function writeTypeMarker($data, $markerType = null)
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{
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if (null !== $markerType) {
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// Write the Type Marker to denote the following action script data type
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$this->_stream->writeByte($markerType);
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switch($markerType) {
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case Zend_Amf_Constants::AMF0_NUMBER:
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$this->_stream->writeDouble($data);
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break;
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case Zend_Amf_Constants::AMF0_BOOLEAN:
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$this->_stream->writeByte($data);
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break;
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case Zend_Amf_Constants::AMF0_STRING:
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$this->_stream->writeUTF($data);
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break;
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case Zend_Amf_Constants::AMF0_OBJECT:
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$this->writeObject($data);
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break;
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case Zend_Amf_Constants::AMF0_NULL:
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break;
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case Zend_Amf_Constants::AMF0_MIXEDARRAY:
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// Write length of numeric keys as zero.
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$this->_stream->writeLong(0);
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$this->writeObject($data);
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break;
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case Zend_Amf_Constants::AMF0_ARRAY:
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$this->writeArray($data);
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break;
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case Zend_Amf_Constants::AMF0_DATE:
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$this->writeDate($data);
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break;
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case Zend_Amf_Constants::AMF0_LONGSTRING:
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$this->_stream->writeLongUTF($data);
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break;
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case Zend_Amf_Constants::AMF0_TYPEDOBJECT:
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$this->writeTypedObject($data);
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break;
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case Zend_Amf_Constants::AMF0_AMF3:
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$this->writeAmf3TypeMarker($data);
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break;
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default:
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require_once 'Zend/Amf/Exception.php';
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throw new Zend_Amf_Exception("Unknown Type Marker: " . $markerType);
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}
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} else {
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switch (true) {
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case (is_int($data) || is_float($data)):
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$markerType = Zend_Amf_Constants::AMF0_NUMBER;
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break;
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case (is_bool($data)):
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$markerType = Zend_Amf_Constants::AMF0_BOOLEAN;
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break;
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case (is_string($data) && (strlen($data) > 65536)):
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$markerType = Zend_Amf_Constants::AMF0_LONGSTRING;
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break;
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case (is_string($data)):
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$markerType = Zend_Amf_Constants::AMF0_STRING;
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break;
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case (is_object($data)):
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if (($data instanceof DateTime) || ($data instanceof Zend_Date)) {
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$markerType = Zend_Amf_Constants::AMF0_DATE;
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} else {
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if($className = $this->getClassName($data)){
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//Object is a Typed object set classname
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$markerType = Zend_Amf_Constants::AMF0_TYPEDOBJECT;
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$this->_className = $className;
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} else {
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// Object is a generic classname
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$markerType = Zend_Amf_Constants::AMF0_OBJECT;
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}
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break;
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}
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break;
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case (null === $data):
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$markerType = Zend_Amf_Constants::AMF0_NULL;
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break;
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case (is_array($data)):
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// check if it is a mixed typed array
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foreach (array_keys($data) as $key) {
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if (!is_numeric($key)) {
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$markerType = Zend_Amf_Constants::AMF0_MIXEDARRAY;
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break;
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}
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}
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// Dealing with a standard numeric array
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if(!$markerType){
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$markerType = Zend_Amf_Constants::AMF0_ARRAY;
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break;
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}
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break;
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default:
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require_once 'Zend/Amf/Exception.php';
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throw new Zend_Amf_Exception('Unsupported data type: ' . gettype($data));
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}
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$this->writeTypeMarker($data, $markerType);
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}
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return $this;
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}
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/**
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* Write a php array with string or mixed keys.
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*
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* @param object $data
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* @return Zend_Amf_Parse_Amf0_Serializer
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*/
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public function writeObject($object)
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{
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// Loop each element and write the name of the property.
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foreach ($object as $key => $value) {
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$this->_stream->writeUTF($key);
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$this->writeTypeMarker($value);
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}
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// Write the end object flag
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$this->_stream->writeInt(0);
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$this->_stream->writeByte(Zend_Amf_Constants::AMF0_OBJECTTERM);
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return $this;
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}
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/**
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* Write a standard numeric array to the output stream. If a mixed array
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* is encountered call writeTypeMarker with mixed array.
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*
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* @param array $array
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* @return Zend_Amf_Parse_Amf0_Serializer
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*/
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public function writeArray($array)
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{
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$length = count($array);
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if (!$length < 0) {
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// write the length of the array
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$this->_stream->writeLong(0);
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} else {
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// Write the length of the numberic array
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$this->_stream->writeLong($length);
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for ($i=0; $i<$length; $i++) {
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$value = isset($array[$i]) ? $array[$i] : null;
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$this->writeTypeMarker($value);
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}
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}
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return $this;
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}
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/**
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* Convert the DateTime into an AMF Date
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*
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* @param DateTime|Zend_Date $data
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* @return Zend_Amf_Parse_Amf0_Serializer
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*/
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public function writeDate($data)
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{
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if ($data instanceof DateTime) {
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$dateString = $data->format('U');
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} elseif ($data instanceof Zend_Date) {
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$dateString = $data->toString('U');
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} else {
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require_once 'Zend/Amf/Exception.php';
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throw new Zend_Amf_Exception('Invalid date specified; must be a DateTime or Zend_Date object');
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}
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$dateString *= 1000;
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// Make the conversion and remove milliseconds.
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$this->_stream->writeDouble($dateString);
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// Flash does not respect timezone but requires it.
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$this->_stream->writeInt(0);
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return $this;
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}
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/**
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* Write a class mapped object to the output stream.
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*
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* @param object $data
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* @return Zend_Amf_Parse_Amf0_Serializer
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*/
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public function writeTypedObject($data)
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{
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$this->_stream->writeUTF($this->_className);
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$this->writeObject($data);
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return $this;
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}
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/**
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* Encountered and AMF3 Type Marker use AMF3 serializer. Once AMF3 is
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* enountered it will not return to AMf0.
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*
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* @param string $data
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* @return Zend_Amf_Parse_Amf0_Serializer
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*/
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public function writeAmf3TypeMarker($data)
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{
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require_once 'Zend/Amf/Parse/Amf3/Serializer.php';
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$serializer = new Zend_Amf_Parse_Amf3_Serializer($this->_stream);
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$serializer->writeTypeMarker($data);
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return $this;
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}
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/**
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* Find if the class name is a class mapped name and return the
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* respective classname if it is.
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*
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* @param object $object
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* @return false|string $className
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*/
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protected function getClassName($object)
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{
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require_once 'Zend/Amf/Parse/TypeLoader.php';
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//Check to see if the object is a typed object and we need to change
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$className = '';
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switch (true) {
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// the return class mapped name back to actionscript class name.
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case Zend_Amf_Parse_TypeLoader::getMappedClassName(get_class($object)):
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$className = Zend_Amf_Parse_TypeLoader::getMappedClassName(get_class($object));
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break;
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// Check to see if the user has defined an explicit Action Script type.
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case isset($object->_explicitType):
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$className = $object->_explicitType;
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unset($object->_explicitType);
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break;
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// Check if user has defined a method for accessing the Action Script type
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case method_exists($object, 'getASClassName'):
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$className = $object->getASClassName();
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break;
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// No return class name is set make it a generic object
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default:
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break;
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}
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if(!$className == '') {
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return $className;
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} else {
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return false;
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}
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}
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}
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