Base64.php

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<?php
 
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4 foldmethod=marker: */
 
// LICENSE AGREEMENT. If folded, press za here to unfold and read license {{{ 
 
// }}}
 
// dependencies {{{
require_once 'XML/RPC2/Exception.php';
require_once 'XML/RPC2/Backend/Php/Value/Scalar.php';
// }}}
 
class XML_RPC2_Backend_Php_Value_Base64 extends XML_RPC2_Backend_Php_Value
{
    
    // {{{ constructor
 
    public function __construct($nativeValue) 
    {
        if ((is_object($nativeValue)) &&(strtolower(get_class($nativeValue)) == 'stdclass') && (isset($nativeValue->xmlrpc_type))) {
            $scalar = $nativeValue->scalar;
        } else {
            if (!is_string($nativeValue)) {
                throw new XML_RPC2_InvalidTypeException(sprintf('Cannot create XML_RPC2_Backend_Php_Value_Base64 from type \'%s\'.', gettype($nativeValue)));
           }
            $scalar = $nativeValue;
        }
        $tmp              = new stdclass();
        $tmp->scalar      = $scalar;
        $tmp->xmlrpc_type = 'base64';
        $this->setNativeValue($tmp);
    }
    
    // }}}
    // {{{ encode()
    
    public function encode() 
    {
        $native = $this->getNativeValue();
        return '<base64>' . base64_encode($native->scalar) . '</base64>';
    }
    
    // }}}
    // {{{ decode()
    
    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());
        $value = $xml->xpath('/value/base64/text()');
        if (!array_key_exists(0, $value)) {
            $value = $xml->xpath('/value/text()');
        }
        // Emulate xmlrpcext results (to be able to switch from a backend to another)
        $result = new stdclass();
        $result->scalar = base64_decode($value[0]);
        $result->xmlrpc_type = 'base64';
        return $result;
    }
    
    // }}}
    
}
 
?>