mirror of
https://github.com/YunoHost-Apps/limesurvey_ynh.git
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518 lines
19 KiB
PHP
518 lines
19 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_XmlRpc
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* @subpackage Value
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* @copyright Copyright (c) 2005-2011 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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* @version $Id: Value.php 23775 2011-03-01 17:25:24Z ralph $
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*/
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/**
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* Represent a native XML-RPC value entity, used as parameters for the methods
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* called by the Zend_XmlRpc_Client object and as the return value for those calls.
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*
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* This object as a very important static function Zend_XmlRpc_Value::getXmlRpcValue, this
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* function acts likes a factory for the Zend_XmlRpc_Value objects
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*
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* Using this function, users/Zend_XmlRpc_Client object can create the Zend_XmlRpc_Value objects
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* from PHP variables, XML string or by specifing the exact XML-RPC natvie type
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*
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* @package Zend_XmlRpc
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* @copyright Copyright (c) 2005-2011 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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abstract class Zend_XmlRpc_Value
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{
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/**
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* The native XML-RPC representation of this object's value
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*
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* If the native type of this object is array or struct, this will be an array
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* of Zend_XmlRpc_Value objects
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*/
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protected $_value;
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/**
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* The native XML-RPC type of this object
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* One of the XMLRPC_TYPE_* constants
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*/
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protected $_type;
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/**
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* XML code representation of this object (will be calculated only once)
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*/
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protected $_xml;
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/**
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* @var Zend_XmlRpc_Generator_GeneratorAbstract
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*/
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protected static $_generator;
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/**
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* Specify that the XML-RPC native type will be auto detected from a PHP variable type
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*/
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const AUTO_DETECT_TYPE = 'auto_detect';
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/**
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* Specify that the XML-RPC value will be parsed out from a given XML code
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*/
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const XML_STRING = 'xml';
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/**
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* All the XML-RPC native types
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*/
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const XMLRPC_TYPE_I4 = 'i4';
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const XMLRPC_TYPE_INTEGER = 'int';
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const XMLRPC_TYPE_I8 = 'i8';
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const XMLRPC_TYPE_APACHEI8 = 'ex:i8';
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const XMLRPC_TYPE_DOUBLE = 'double';
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const XMLRPC_TYPE_BOOLEAN = 'boolean';
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const XMLRPC_TYPE_STRING = 'string';
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const XMLRPC_TYPE_DATETIME = 'dateTime.iso8601';
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const XMLRPC_TYPE_BASE64 = 'base64';
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const XMLRPC_TYPE_ARRAY = 'array';
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const XMLRPC_TYPE_STRUCT = 'struct';
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const XMLRPC_TYPE_NIL = 'nil';
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const XMLRPC_TYPE_APACHENIL = 'ex:nil';
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/**
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* Get the native XML-RPC type (the type is one of the Zend_XmlRpc_Value::XMLRPC_TYPE_* constants)
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*
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* @return string
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*/
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public function getType()
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{
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return $this->_type;
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}
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/**
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* Get XML generator instance
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*
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* @return Zend_XmlRpc_Generator_GeneratorAbstract
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*/
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public static function getGenerator()
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{
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if (!self::$_generator) {
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if (extension_loaded('xmlwriter')) {
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require_once 'Zend/XmlRpc/Generator/XmlWriter.php';
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self::$_generator = new Zend_XmlRpc_Generator_XmlWriter();
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} else {
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require_once 'Zend/XmlRpc/Generator/DomDocument.php';
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self::$_generator = new Zend_XmlRpc_Generator_DomDocument();
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}
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}
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return self::$_generator;
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}
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/**
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* Sets XML generator instance
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*
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* @param Zend_XmlRpc_Generator_GeneratorAbstract $generator
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* @return void
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*/
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public static function setGenerator(Zend_XmlRpc_Generator_GeneratorAbstract $generator)
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{
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self::$_generator = $generator;
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}
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/**
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* Changes the encoding of the generator
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*
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* @param string $encoding
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* @return void
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*/
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public static function setEncoding($encoding)
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{
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$generator = self::getGenerator();
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$newGenerator = new $generator($encoding);
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self::setGenerator($newGenerator);
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}
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/**
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* Return the value of this object, convert the XML-RPC native value into a PHP variable
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*
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* @return mixed
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*/
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abstract public function getValue();
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/**
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* Return the XML code that represent a native MXL-RPC value
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*
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* @return string
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*/
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public function saveXml()
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{
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if (!$this->_xml) {
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$this->generateXml();
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$this->_xml = (string) $this->getGenerator();
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}
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return $this->_xml;
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}
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/**
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* Generate XML code that represent a native XML/RPC value
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*
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* @return void
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*/
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public function generateXml()
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{
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$this->_generateXml();
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}
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/**
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* Creates a Zend_XmlRpc_Value* object, representing a native XML-RPC value
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* A XmlRpcValue object can be created in 3 ways:
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* 1. Autodetecting the native type out of a PHP variable
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* (if $type is not set or equal to Zend_XmlRpc_Value::AUTO_DETECT_TYPE)
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* 2. By specifing the native type ($type is one of the Zend_XmlRpc_Value::XMLRPC_TYPE_* constants)
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* 3. From a XML string ($type is set to Zend_XmlRpc_Value::XML_STRING)
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*
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* By default the value type is autodetected according to it's PHP type
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*
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* @param mixed $value
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* @param Zend_XmlRpc_Value::constant $type
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*
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* @return Zend_XmlRpc_Value
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* @static
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*/
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public static function getXmlRpcValue($value, $type = self::AUTO_DETECT_TYPE)
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{
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switch ($type) {
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case self::AUTO_DETECT_TYPE:
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// Auto detect the XML-RPC native type from the PHP type of $value
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return self::_phpVarToNativeXmlRpc($value);
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case self::XML_STRING:
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// Parse the XML string given in $value and get the XML-RPC value in it
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return self::_xmlStringToNativeXmlRpc($value);
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case self::XMLRPC_TYPE_I4:
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// fall through to the next case
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case self::XMLRPC_TYPE_INTEGER:
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require_once 'Zend/XmlRpc/Value/Integer.php';
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return new Zend_XmlRpc_Value_Integer($value);
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case self::XMLRPC_TYPE_I8:
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// fall through to the next case
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case self::XMLRPC_TYPE_APACHEI8:
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require_once 'Zend/XmlRpc/Value/BigInteger.php';
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return new Zend_XmlRpc_Value_BigInteger($value);
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case self::XMLRPC_TYPE_DOUBLE:
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require_once 'Zend/XmlRpc/Value/Double.php';
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return new Zend_XmlRpc_Value_Double($value);
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case self::XMLRPC_TYPE_BOOLEAN:
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require_once 'Zend/XmlRpc/Value/Boolean.php';
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return new Zend_XmlRpc_Value_Boolean($value);
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case self::XMLRPC_TYPE_STRING:
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require_once 'Zend/XmlRpc/Value/String.php';
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return new Zend_XmlRpc_Value_String($value);
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case self::XMLRPC_TYPE_BASE64:
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require_once 'Zend/XmlRpc/Value/Base64.php';
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return new Zend_XmlRpc_Value_Base64($value);
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case self::XMLRPC_TYPE_NIL:
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// fall through to the next case
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case self::XMLRPC_TYPE_APACHENIL:
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require_once 'Zend/XmlRpc/Value/Nil.php';
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return new Zend_XmlRpc_Value_Nil();
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case self::XMLRPC_TYPE_DATETIME:
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require_once 'Zend/XmlRpc/Value/DateTime.php';
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return new Zend_XmlRpc_Value_DateTime($value);
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case self::XMLRPC_TYPE_ARRAY:
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require_once 'Zend/XmlRpc/Value/Array.php';
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return new Zend_XmlRpc_Value_Array($value);
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case self::XMLRPC_TYPE_STRUCT:
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require_once 'Zend/XmlRpc/Value/Struct.php';
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return new Zend_XmlRpc_Value_Struct($value);
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default:
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require_once 'Zend/XmlRpc/Value/Exception.php';
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throw new Zend_XmlRpc_Value_Exception('Given type is not a '. __CLASS__ .' constant');
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}
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}
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/**
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* Get XML-RPC type for a PHP native variable
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*
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* @static
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* @param mixed $value
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* @return string
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*/
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public static function getXmlRpcTypeByValue($value)
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{
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if (is_object($value)) {
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if ($value instanceof Zend_XmlRpc_Value) {
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return $value->getType();
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} elseif (($value instanceof Zend_Date) || ($value instanceof DateTime)) {
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return self::XMLRPC_TYPE_DATETIME;
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}
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return self::getXmlRpcTypeByValue(get_object_vars($value));
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} elseif (is_array($value)) {
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if (!empty($value) && is_array($value) && (array_keys($value) !== range(0, count($value) - 1))) {
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return self::XMLRPC_TYPE_STRUCT;
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}
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return self::XMLRPC_TYPE_ARRAY;
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} elseif (is_int($value)) {
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return ($value > PHP_INT_MAX) ? self::XMLRPC_TYPE_I8 : self::XMLRPC_TYPE_INTEGER;
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} elseif (is_double($value)) {
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return self::XMLRPC_TYPE_DOUBLE;
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} elseif (is_bool($value)) {
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return self::XMLRPC_TYPE_BOOLEAN;
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} elseif (is_null($value)) {
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return self::XMLRPC_TYPE_NIL;
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} elseif (is_string($value)) {
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return self::XMLRPC_TYPE_STRING;
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}
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throw new Zend_XmlRpc_Value_Exception(sprintf(
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'No matching XMLRPC type found for php type %s.',
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gettype($value)
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));
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}
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/**
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* Transform a PHP native variable into a XML-RPC native value
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*
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* @param mixed $value The PHP variable for convertion
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*
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* @return Zend_XmlRpc_Value
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* @static
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*/
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protected static function _phpVarToNativeXmlRpc($value)
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{
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// @see http://framework.zend.com/issues/browse/ZF-8623
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if (is_object($value)) {
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if ($value instanceof Zend_XmlRpc_Value) {
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return $value;
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}
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if ($value instanceof Zend_Crypt_Math_BigInteger) {
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require_once 'Zend/XmlRpc/Value/Exception.php';
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throw new Zend_XmlRpc_Value_Exception(
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'Using Zend_Crypt_Math_BigInteger to get an ' .
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'instance of Zend_XmlRpc_Value_BigInteger is not ' .
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'available anymore.'
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);
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}
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}
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switch (self::getXmlRpcTypeByValue($value))
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{
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case self::XMLRPC_TYPE_DATETIME:
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require_once 'Zend/XmlRpc/Value/DateTime.php';
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return new Zend_XmlRpc_Value_DateTime($value);
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case self::XMLRPC_TYPE_ARRAY:
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require_once 'Zend/XmlRpc/Value/Array.php';
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return new Zend_XmlRpc_Value_Array($value);
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case self::XMLRPC_TYPE_STRUCT:
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require_once 'Zend/XmlRpc/Value/Struct.php';
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return new Zend_XmlRpc_Value_Struct($value);
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case self::XMLRPC_TYPE_INTEGER:
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require_once 'Zend/XmlRpc/Value/Integer.php';
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return new Zend_XmlRpc_Value_Integer($value);
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case self::XMLRPC_TYPE_DOUBLE:
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require_once 'Zend/XmlRpc/Value/Double.php';
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return new Zend_XmlRpc_Value_Double($value);
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case self::XMLRPC_TYPE_BOOLEAN:
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require_once 'Zend/XmlRpc/Value/Boolean.php';
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return new Zend_XmlRpc_Value_Boolean($value);
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case self::XMLRPC_TYPE_NIL:
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require_once 'Zend/XmlRpc/Value/Nil.php';
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return new Zend_XmlRpc_Value_Nil;
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case self::XMLRPC_TYPE_STRING:
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// Fall through to the next case
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default:
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// If type isn't identified (or identified as string), it treated as string
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require_once 'Zend/XmlRpc/Value/String.php';
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return new Zend_XmlRpc_Value_String($value);
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}
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}
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/**
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* Transform an XML string into a XML-RPC native value
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||
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*
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* @param string|SimpleXMLElement $xml A SimpleXMLElement object represent the XML string
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* It can be also a valid XML string for convertion
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*
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* @return Zend_XmlRpc_Value
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* @static
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*/
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protected static function _xmlStringToNativeXmlRpc($xml)
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||
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{
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self::_createSimpleXMLElement($xml);
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|
|
self::_extractTypeAndValue($xml, $type, $value);
|
||
|
|
|
||
|
|
switch ($type) {
|
||
|
|
// All valid and known XML-RPC native values
|
||
|
|
case self::XMLRPC_TYPE_I4:
|
||
|
|
// Fall through to the next case
|
||
|
|
case self::XMLRPC_TYPE_INTEGER:
|
||
|
|
require_once 'Zend/XmlRpc/Value/Integer.php';
|
||
|
|
$xmlrpcValue = new Zend_XmlRpc_Value_Integer($value);
|
||
|
|
break;
|
||
|
|
case self::XMLRPC_TYPE_APACHEI8:
|
||
|
|
// Fall through to the next case
|
||
|
|
case self::XMLRPC_TYPE_I8:
|
||
|
|
require_once 'Zend/XmlRpc/Value/BigInteger.php';
|
||
|
|
$xmlrpcValue = new Zend_XmlRpc_Value_BigInteger($value);
|
||
|
|
break;
|
||
|
|
case self::XMLRPC_TYPE_DOUBLE:
|
||
|
|
require_once 'Zend/XmlRpc/Value/Double.php';
|
||
|
|
$xmlrpcValue = new Zend_XmlRpc_Value_Double($value);
|
||
|
|
break;
|
||
|
|
case self::XMLRPC_TYPE_BOOLEAN:
|
||
|
|
require_once 'Zend/XmlRpc/Value/Boolean.php';
|
||
|
|
$xmlrpcValue = new Zend_XmlRpc_Value_Boolean($value);
|
||
|
|
break;
|
||
|
|
case self::XMLRPC_TYPE_STRING:
|
||
|
|
require_once 'Zend/XmlRpc/Value/String.php';
|
||
|
|
$xmlrpcValue = new Zend_XmlRpc_Value_String($value);
|
||
|
|
break;
|
||
|
|
case self::XMLRPC_TYPE_DATETIME: // The value should already be in a iso8601 format
|
||
|
|
require_once 'Zend/XmlRpc/Value/DateTime.php';
|
||
|
|
$xmlrpcValue = new Zend_XmlRpc_Value_DateTime($value);
|
||
|
|
break;
|
||
|
|
case self::XMLRPC_TYPE_BASE64: // The value should already be base64 encoded
|
||
|
|
require_once 'Zend/XmlRpc/Value/Base64.php';
|
||
|
|
$xmlrpcValue = new Zend_XmlRpc_Value_Base64($value, true);
|
||
|
|
break;
|
||
|
|
case self::XMLRPC_TYPE_NIL:
|
||
|
|
// Fall through to the next case
|
||
|
|
case self::XMLRPC_TYPE_APACHENIL:
|
||
|
|
// The value should always be NULL
|
||
|
|
require_once 'Zend/XmlRpc/Value/Nil.php';
|
||
|
|
$xmlrpcValue = new Zend_XmlRpc_Value_Nil();
|
||
|
|
break;
|
||
|
|
case self::XMLRPC_TYPE_ARRAY:
|
||
|
|
// PHP 5.2.4 introduced a regression in how empty($xml->value)
|
||
|
|
// returns; need to look for the item specifically
|
||
|
|
$data = null;
|
||
|
|
foreach ($value->children() as $key => $value) {
|
||
|
|
if ('data' == $key) {
|
||
|
|
$data = $value;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (null === $data) {
|
||
|
|
require_once 'Zend/XmlRpc/Value/Exception.php';
|
||
|
|
throw new Zend_XmlRpc_Value_Exception('Invalid XML for XML-RPC native '. self::XMLRPC_TYPE_ARRAY .' type: ARRAY tag must contain DATA tag');
|
||
|
|
}
|
||
|
|
$values = array();
|
||
|
|
// Parse all the elements of the array from the XML string
|
||
|
|
// (simple xml element) to Zend_XmlRpc_Value objects
|
||
|
|
foreach ($data->value as $element) {
|
||
|
|
$values[] = self::_xmlStringToNativeXmlRpc($element);
|
||
|
|
}
|
||
|
|
require_once 'Zend/XmlRpc/Value/Array.php';
|
||
|
|
$xmlrpcValue = new Zend_XmlRpc_Value_Array($values);
|
||
|
|
break;
|
||
|
|
case self::XMLRPC_TYPE_STRUCT:
|
||
|
|
$values = array();
|
||
|
|
// Parse all the memebers of the struct from the XML string
|
||
|
|
// (simple xml element) to Zend_XmlRpc_Value objects
|
||
|
|
foreach ($value->member as $member) {
|
||
|
|
// @todo? If a member doesn't have a <value> tag, we don't add it to the struct
|
||
|
|
// Maybe we want to throw an exception here ?
|
||
|
|
if (!isset($member->value) or !isset($member->name)) {
|
||
|
|
continue;
|
||
|
|
//throw new Zend_XmlRpc_Value_Exception('Member of the '. self::XMLRPC_TYPE_STRUCT .' XML-RPC native type must contain a VALUE tag');
|
||
|
|
}
|
||
|
|
$values[(string)$member->name] = self::_xmlStringToNativeXmlRpc($member->value);
|
||
|
|
}
|
||
|
|
require_once 'Zend/XmlRpc/Value/Struct.php';
|
||
|
|
$xmlrpcValue = new Zend_XmlRpc_Value_Struct($values);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
require_once 'Zend/XmlRpc/Value/Exception.php';
|
||
|
|
throw new Zend_XmlRpc_Value_Exception('Value type \''. $type .'\' parsed from the XML string is not a known XML-RPC native type');
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
$xmlrpcValue->_setXML($xml->asXML());
|
||
|
|
|
||
|
|
return $xmlrpcValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
protected static function _createSimpleXMLElement(&$xml)
|
||
|
|
{
|
||
|
|
if ($xml instanceof SimpleXMLElement) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
try {
|
||
|
|
$xml = new SimpleXMLElement($xml);
|
||
|
|
} catch (Exception $e) {
|
||
|
|
// The given string is not a valid XML
|
||
|
|
require_once 'Zend/XmlRpc/Value/Exception.php';
|
||
|
|
throw new Zend_XmlRpc_Value_Exception('Failed to create XML-RPC value from XML string: ' . $e->getMessage(), $e->getCode(), $e);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Extract XML/RPC type and value from SimpleXMLElement object
|
||
|
|
*
|
||
|
|
* @param SimpleXMLElement $xml
|
||
|
|
* @param string &$type Type bind variable
|
||
|
|
* @param string &$value Value bind variable
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
protected static function _extractTypeAndValue(SimpleXMLElement $xml, &$type, &$value)
|
||
|
|
{
|
||
|
|
list($type, $value) = each($xml);
|
||
|
|
|
||
|
|
if (!$type and $value === null) {
|
||
|
|
$namespaces = array('ex' => 'http://ws.apache.org/xmlrpc/namespaces/extensions');
|
||
|
|
foreach ($namespaces as $namespaceName => $namespaceUri) {
|
||
|
|
$namespaceXml = $xml->children($namespaceUri);
|
||
|
|
list($type, $value) = each($namespaceXml);
|
||
|
|
if ($type !== null) {
|
||
|
|
$type = $namespaceName . ':' . $type;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// If no type was specified, the default is string
|
||
|
|
if (!$type) {
|
||
|
|
$type = self::XMLRPC_TYPE_STRING;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param string $xml
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
protected function _setXML($xml)
|
||
|
|
{
|
||
|
|
$this->_xml = $this->getGenerator()->stripDeclaration($xml);
|
||
|
|
}
|
||
|
|
}
|