Location: PHPKode > projects > Aria2Web > XML/RPC2/Backend/Php/Value/Struct.php
<?php

/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4 foldmethod=marker: */

// LICENSE AGREEMENT. If folded, press za here to unfold and read license {{{ 

/**
* +-----------------------------------------------------------------------------+
* | Copyright (c) 2004-2006 Sergio Goncalves Carvalho                                |
* +-----------------------------------------------------------------------------+
* | This file is part of XML_RPC2.                                              |
* |                                                                             |
* | XML_RPC2 is free software; you can redistribute it and/or modify            |
* | it under the terms of the GNU Lesser General Public License as published by |
* | the Free Software Foundation; either version 2.1 of the License, or         |
* | (at your option) any later version.                                         |
* |                                                                             |
* | XML_RPC2 is distributed in the hope that it will be useful,                 |
* | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
* | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
* | GNU Lesser General Public License for more details.                         |
* |                                                                             |
* | You should have received a copy of the GNU Lesser General Public License    |
* | along with XML_RPC2; if not, write to the Free Software                     |
* | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA                    |
* | 02111-1307 USA                                                              |
* +-----------------------------------------------------------------------------+
* | Author: Sergio Carvalho <hide@address.com>                  |
* +-----------------------------------------------------------------------------+
*
* @category   XML
* @package    XML_RPC2
* @author     Sergio Carvalho <hide@address.com>  
* @copyright  2004-2006 Sergio Carvalho
* @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1
* @version    CVS: $Id: Struct.php,v 1.3 2006/01/22 01:58:22 fab Exp $
* @link       http://pear.php.net/package/XML_RPC2
*/

// }}}

// dependencies {{{
require_once 'XML/RPC2/Exception.php';
require_once 'XML/RPC2/Backend/Php/Value.php';
// }}}

/**
 * XML_RPC struct value class. Represents values of type struct (associative struct)
 *
 * @category   XML
 * @package    XML_RPC2
 * @author     Sergio Carvalho <hide@address.com>  
 * @copyright  2004-2006 Sergio Carvalho
 * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1
 * @link       http://pear.php.net/package/XML_RPC2
 */
class XML_RPC2_Backend_Php_Value_Struct extends XML_RPC2_Backend_Php_Value
{

    // {{{ setNativeValue()
    
    /**
     * nativeValue property setter
     *
     * @param mixed value the new nativeValue
     */
    protected function setNativeValue($value) 
    {
        if (!is_array($value)) {
            throw new XML_RPC2_InvalidTypeException(sprintf('Cannot create XML_RPC2_Backend_Php_Value_Struct from type \'%s\'.', gettype($nativeValue)));
        }
        parent::setNativeValue($value);
    }
    
    // }}}
    // {{{ constructor
    
    /**
     * Constructor. Will build a new XML_RPC2_Backend_Php_Value_Scalar with the given nativeValue
     *
     * @param mixed nativeValue
     */
    public function __construct($nativeValue) 
    {
        $this->setNativeValue($nativeValue);
    }
    
    // }}}
    // {{{ encode()
    
    /**
     * Encode the instance into XML, for transport
     * 
     * @return string The encoded XML-RPC value,
     */
    public function encode() 
    {
        $result = '<struct>';
        foreach($this->getNativeValue() as $name => $element) {
            $result .= '<member>';
            $result .= '<name>';
            $result .= strtr($name, array('&' => '&amp;', '<' => '&lt;', '>' => '&gt;'));
            $result .= '</name>';
            $result .= '<value>';
            $result .= ($element instanceof XML_RPC2_Backend_Php_Value) ? 
                        $element->encode() : 
                        XML_RPC2_Backend_Php_Value::createFromNative($element)->encode();
            $result .= '</value>';
            $result .= '</member>';
        }
        $result .= '</struct>';
        return $result;
    }
    
    // }}}
    // {{{ decode()
    
    /**
     * Decode transport XML and set the instance value accordingly
     *
     * @param mixed The encoded XML-RPC value,
     */
    public static function decode($xml) 
    {
        // TODO Remove reparsing of XML fragment, when SimpleXML proves more solid. Currently it segfaults when
        // xpath is used both in an element and in one of its children
        $xml = simplexml_load_string($xml->asXML());
        $values = $xml->xpath('/value/struct/member');
        $result = array();
        foreach (array_keys($values) as $i) {
            $result[(string) $values[$i]->name] = XML_RPC2_Backend_Php_Value::createFromDecode($values[$i]->value)->getNativeValue();
        }
        return $result;
    }
    
    // }}}
    
}

?>
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