/application/library/Zend/Amf/Parse/Amf3/Serializer.php
PHP | 342 lines | 225 code | 27 blank | 90 comment | 36 complexity | 65a1c7e4fa1d8c8fce9e72884eae9f50 MD5 | raw file
Possible License(s): BSD-3-Clause, LGPL-2.0, MIT
- <?php
- /**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to the new BSD license that is bundled
- * with this package in the file LICENSE.txt.
- * It is also available through the world-wide-web at this URL:
- * http://framework.zend.com/license/new-bsd
- * If you did not receive a copy of the license and are unable to
- * obtain it through the world-wide-web, please send an email
- * to license@zend.com so we can send you a copy immediately.
- *
- * @category Zend
- * @package Zend_Amf
- * @subpackage Parse_Amf3
- * @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
- * @license http://framework.zend.com/license/new-bsd New BSD License
- */
- /** Zend_Amf_Parse_Serializer */
- require_once 'Zend/Amf/Parse/Serializer.php';
- /** Zend_Amf_Parse_TypeLoader */
- require_once 'Zend/Amf/Parse/TypeLoader.php';
- /**
- * Detect PHP object type and convert it to a corresponding AMF3 object type
- *
- * @package Zend_Amf
- * @subpackage Parse_Amf3
- * @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
- * @license http://framework.zend.com/license/new-bsd New BSD License
- */
- class Zend_Amf_Parse_Amf3_Serializer extends Zend_Amf_Parse_Serializer
- {
- /**
- * Serialize PHP types to AMF3 and write to stream
- *
- * Checks to see if the type was declared and then either
- * auto negotiates the type or use the user defined markerType to
- * serialize the data from php back to AMF3
- *
- * @param mixed $content
- * @param int $markerType
- * @return void
- */
- public function writeTypeMarker($data, $markerType=null)
- {
- if (null !== $markerType) {
- // Write the Type Marker to denote the following action script data type
- $this->_stream->writeByte($markerType);
- switch ($markerType) {
- case Zend_Amf_Constants::AMF3_NULL:
- break;
- case Zend_Amf_Constants::AMF3_BOOLEAN_FALSE:
- break;
- case Zend_Amf_Constants::AMF3_BOOLEAN_TRUE:
- break;
- case Zend_Amf_Constants::AMF3_INTEGER:
- $this->writeInteger($data);
- break;
- case Zend_Amf_Constants::AMF3_NUMBER:
- $this->_stream->writeDouble($data);
- break;
- case Zend_Amf_Constants::AMF3_STRING:
- $this->writeString($data);
- break;
- case Zend_Amf_Constants::AMF3_DATE:
- $this->writeDate($data);
- break;
- case Zend_Amf_Constants::AMF3_ARRAY:
- $this->writeArray($data);
- break;
- case Zend_Amf_Constants::AMF3_OBJECT:
- $this->writeObject($data);
- break;
- case Zend_Amf_Constants::AMF3_BYTEARRAY:
- $this->writeString($data instanceof Zend_Amf_Value_ByteArray ? $data->getData() : $data);
- break;
- case Zend_Amf_Constants::AMF3_XMLSTRING;
- $this->writeString($data);
- break;
- default:
- require_once 'Zend/Amf/Exception.php';
- throw new Zend_Amf_Exception('Unknown Type Marker: ' . $markerType);
- }
- } else {
- // Detect Type Marker
- if(is_resource($data)) {
- $data = Zend_Amf_Parse_TypeLoader::handleResource($data);
- }
- switch (true) {
- case (null === $data):
- $markerType = Zend_Amf_Constants::AMF3_NULL;
- break;
- case (is_bool($data)):
- if ($data){
- $markerType = Zend_Amf_Constants::AMF3_BOOLEAN_TRUE;
- } else {
- $markerType = Zend_Amf_Constants::AMF3_BOOLEAN_FALSE;
- }
- break;
- case (is_int($data)):
- if (($data > 0xFFFFFFF) || ($data < -268435456)) {
- $markerType = Zend_Amf_Constants::AMF3_NUMBER;
- } else {
- $markerType = Zend_Amf_Constants::AMF3_INTEGER;
- }
- break;
- case (is_float($data)):
- $markerType = Zend_Amf_Constants::AMF3_NUMBER;
- break;
- case (is_string($data)):
- $markerType = Zend_Amf_Constants::AMF3_STRING;
- break;
- case (is_array($data)):
- $markerType = Zend_Amf_Constants::AMF3_ARRAY;
- break;
- case (is_object($data)):
- // Handle object types.
- if (($data instanceof DateTime) || ($data instanceof Zend_Date)) {
- $markerType = Zend_Amf_Constants::AMF3_DATE;
- } else if ($data instanceof Zend_Amf_Value_ByteArray) {
- $markerType = Zend_Amf_Constants::AMF3_BYTEARRAY;
- } else if ($data instanceof DOMDocument) {
- // convert object to string
- $data = $data->saveXml();
- $markerType = Zend_Amf_Constants::AMF3_XMLSTRING;
- } else if ($data instanceof SimpleXMLElement) {
- // convert object to string;
- $data = $data->asXML();
- $markerType = Zend_Amf_Constants::AMF3_XMLSTRING;
- } else {
- $markerType = Zend_Amf_Constants::AMF3_OBJECT;
- }
- break;
- default:
- require_once 'Zend/Amf/Exception.php';
- throw new Zend_Amf_Exception('Unsupported data type: ' . gettype($data));
- }
- $this->writeTypeMarker($data, $markerType);
- }
- }
- /**
- * Write an AMF3 integer
- *
- * @param int|float $data
- * @return Zend_Amf_Parse_Amf3_Serializer
- */
- public function writeInteger($int)
- {
- if (($int & 0xffffff80) == 0) {
- $this->_stream->writeByte($int & 0x7f);
- return $this;
- }
- if (($int & 0xffffc000) == 0 ) {
- $this->_stream->writeByte(($int >> 7 ) | 0x80);
- $this->_stream->writeByte($int & 0x7f);
- return $this;
- }
- if (($int & 0xffe00000) == 0) {
- $this->_stream->writeByte(($int >> 14 ) | 0x80);
- $this->_stream->writeByte(($int >> 7 ) | 0x80);
- $this->_stream->writeByte($int & 0x7f);
- return $this;
- }
- $this->_stream->writeByte(($int >> 22 ) | 0x80);
- $this->_stream->writeByte(($int >> 15 ) | 0x80);
- $this->_stream->writeByte(($int >> 8 ) | 0x80);
- $this->_stream->writeByte($int & 0xff);
- return $this;
- }
- /**
- * Send string to output stream
- *
- * @param string $string
- * @return Zend_Amf_Parse_Amf3_Serializer
- */
- public function writeString($string)
- {
- $ref = strlen($string) << 1 | 0x01;
- $this->writeInteger($ref);
- $this->_stream->writeBytes($string);
- return $this;
- }
- /**
- * Convert DateTime/Zend_Date to AMF date
- *
- * @param DateTime|Zend_Date $date
- * @return Zend_Amf_Parse_Amf3_Serializer
- */
- public function writeDate($date)
- {
- if ($date instanceof DateTime) {
- $dateString = $date->format('U') * 1000;
- } elseif ($date instanceof Zend_Date) {
- $dateString = $date->toString('U') * 1000;
- } else {
- require_once 'Zend/Amf/Exception.php';
- throw new Zend_Amf_Exception('Invalid date specified; must be a string DateTime or Zend_Date object');
- }
- $this->writeInteger(0x01);
- // write time to stream minus milliseconds
- $this->_stream->writeDouble($dateString);
- return $this;
- }
- /**
- * Write a PHP array back to the amf output stream
- *
- * @param array $array
- * @return Zend_Amf_Parse_Amf3_Serializer
- */
- public function writeArray(array $array)
- {
- // have to seperate mixed from numberic keys.
- $numeric = array();
- $string = array();
- foreach ($array as $key => $value) {
- if (is_int($key)) {
- $numeric[] = $value;
- } else {
- $string[$key] = $value;
- }
- }
- // write the preamble id of the array
- $length = count($numeric);
- $id = ($length << 1) | 0x01;
- $this->writeInteger($id);
- //Write the mixed type array to the output stream
- foreach($string as $key => $value) {
- $this->writeString($key)
- ->writeTypeMarker($value);
- }
- $this->writeString('');
- // Write the numeric array to ouput stream
- foreach($numeric as $value) {
- $this->writeTypeMarker($value);
- }
- return $this;
- }
- /**
- * Write object to ouput stream
- *
- * @param mixed $data
- * @return Zend_Amf_Parse_Amf3_Serializer
- */
- public function writeObject($object)
- {
- $encoding = Zend_Amf_Constants::ET_PROPLIST;
- $className = '';
- //Check to see if the object is a typed object and we need to change
- switch (true) {
- // the return class mapped name back to actionscript class name.
- case ($className = Zend_Amf_Parse_TypeLoader::getMappedClassName(get_class($object))):
- break;
- // Check to see if the user has defined an explicit Action Script type.
- case isset($object->_explicitType):
- $className = $object->_explicitType;
- break;
- // Check if user has defined a method for accessing the Action Script type
- case method_exists($object, 'getASClassName'):
- $className = $object->getASClassName();
- break;
- // No return class name is set make it a generic object
- case ($object instanceof stdClass):
- $className = '';
- break;
- // By default, use object's class name
- default:
- $className = get_class($object);
- break;
- }
- $traitsInfo = Zend_Amf_Constants::AMF3_OBJECT_ENCODING;
- $traitsInfo |= $encoding << 2;
- try {
- switch($encoding) {
- case Zend_Amf_Constants::ET_PROPLIST:
- $count = 0;
- foreach($object as $key => $value) {
- if( $key[0] != "_") {
- $count++;
- }
- }
- $traitsInfo |= ($count << 4);
- // Write the object ID
- $this->writeInteger($traitsInfo);
- // Write the classname
- $this->writeString($className);
- // Write the object Key's to the output stream
- foreach ($object as $key => $value) {
- if( $key[0] != "_") {
- $this->writeString($key);
- }
- }
- //Write the object values to the output stream.
- foreach ($object as $key => $value) {
- if( $key[0] != "_") {
- $this->writeTypeMarker($value);
- }
- }
- break;
- case Zend_Amf_Constants::ET_EXTERNAL:
- require_once 'Zend/Amf/Exception.php';
- throw new Zend_Amf_Exception('External Object Encoding not implemented');
- break;
- default:
- require_once 'Zend/Amf/Exception.php';
- throw new Zend_Amf_Exception('Unknown Object Encoding type: ' . $encoding);
- }
- } catch (Exception $e) {
- require_once 'Zend/Amf/Exception.php';
- throw new Zend_Amf_Exception('Unable to writeObject output: ' . $e->getMessage());
- }
- return $this;
- }
- }