mirror of
https://github.com/EGroupware/egroupware.git
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281 lines
8.5 KiB
PHP
281 lines
8.5 KiB
PHP
<?php
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include_once 'Horde/RPC.php';
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include_once 'Horde/SyncML.php';
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#include_once 'Horde/SyncML/State.php';
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include_once 'Horde/SyncML/State_egw.php';
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include_once 'Horde/SyncML/Command/Status.php';
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/**
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* The Horde_RPC_syncml class provides a SyncML implementation of the
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* Horde RPC system.
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*
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* $Horde: framework/RPC/RPC/syncml.php,v 1.18 2004/07/13 03:06:12 chuck Exp $
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*
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* Copyright 2003-2004 Chuck Hagenbuch <chuck@horde.org>, Anthony Mills <amills@pyramid6.com>
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*
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* See the enclosed file COPYING for license information (LGPL). If you
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* did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
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*
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* @author Chuck Hagenbuch <chuck@horde.org>
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* @author Anthony Mills <amills@pyramid6.com>
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* @version $Revision$
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* @since Horde 3.0
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* @package Horde_RPC
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*/
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class Horde_RPC_syncml extends Horde_RPC {
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/**
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* Output ContentHandler used to output XML events.
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* @var object $_output
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*/
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var $_output;
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/**
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* @var integer $_xmlStack
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*/
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var $_xmlStack = 0;
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/**
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* Debug directory, if set will store copies of all packets.
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*/
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var $_debugDir = '/var/www/groupware.groupwareappliance.com/htdocs/syncml/';
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/**
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* Default character set. Only supports UTF-8(ASCII?).
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*/
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var $_charset = 'UTF-8';
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/**
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* SyncML handles authentication internally, so bypass the RPC
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* framework auth check by just returning true here.
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*/
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function authorize()
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{
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return true;
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}
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/**
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* Sends an RPC request to the server and returns the result.
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*
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* @param string $request The raw request string.
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*
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* @return string The XML encoded response from the server.
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*/
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function getResponse($request)
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{
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// Catch any errors/warnings/notices that may get thrown while
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// processing. Don't want to let anything go to the client
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// that's not part of the valid response.
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ob_start();
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// Very useful for debugging. Logs XML packets to
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// $this->_debugDir.
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if (!empty($this->_debugDir) && is_dir($this->_debugDir)) {
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$today = date('Y-m-d');
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$deviceName = str_replace('/','',$_SERVER["HTTP_USER_AGENT"]);
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if(!is_dir($this->_debugDir .'/'. $today))
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{
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mkdir($this->_debugDir .'/'. $today);
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}
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$debugDir = $this->_debugDir .'/'. $today .'/'. $deviceName;
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if(!is_dir($debugDir))
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{
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mkdir($debugDir);
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}
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$packetNum = @intval(file_get_contents($debugDir . '/syncml.packetnum'));
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if (!isset($packetNum)) {
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$packetNum = 0;
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}
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$f = @fopen($debugDir . '/syncml_client_' . $packetNum . '.xml', 'wb');
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if ($f) {
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fwrite($f, $request);
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fclose($f);
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}
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}
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// $this->_output can be already set by a subclass.
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// The subclass can use it's own ContentHandler and bypass
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// this classes use of the ContentHandler. In this case
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// no output is return from this method, instead the output
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// comes from the subclasses ContentHandler
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// We may need to add this code back when we get to the content
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//if (!isset($this->_output)) {
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include_once 'XML/WBXML/ContentHandler.php';
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$this->_output = &new XML_WBXML_ContentHandler();
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//}
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$this->_parse($request);
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$response = $this->_output->getOutput();
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// Very useful for debugging.
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if (!empty($this->_debugDir) && is_dir($this->_debugDir)) {
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$f = @fopen($debugDir . '/syncml_server_' . $packetNum . '.xml', 'wb');
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if ($f) {
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fwrite($f, $response);
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fclose($f);
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}
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$fp = @fopen($debugDir . '/syncml.packetnum', 'w');
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if ($fp) {
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fwrite($fp, ++$packetNum);
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fclose($fp);
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}
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}
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// Clear the output buffer that we started above, and log
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// anything that came up for later debugging.
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$errorLogging = ob_get_clean();
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if (!empty($errorLogging)) {
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Horde::logMessage($errorLogging, __FILE__, __LINE__, PEAR_LOG_DEBUG);
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}
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return $response;
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}
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function _parse($xml)
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{
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// Create the XML parser and set method references.
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$this->_parser = xml_parser_create_ns($this->_charset);
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xml_set_object($this->_parser, $this);
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xml_parser_set_option($this->_parser, XML_OPTION_CASE_FOLDING, false);
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xml_set_element_handler($this->_parser, '_startElement', '_endElement');
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xml_set_character_data_handler($this->_parser, '_characters');
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xml_set_processing_instruction_handler($this->_parser, '');
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xml_set_external_entity_ref_handler($this->_parser, '');
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if (!xml_parse($this->_parser, $xml)) {
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return $this->raiseError(sprintf('XML error: %s at line %d',
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xml_error_string(xml_get_error_code($this->_parser)),
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xml_get_current_line_number($this->_parser)));
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}
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xml_parser_free($this->_parser);
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}
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function _startElement($parser, $tag, $attributes)
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{
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list($uri, $name) = $this->_splitURI($tag);
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$this->startElement($uri, $name, $attributes);
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}
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function _characters($parser, $chars)
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{
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$this->characters($chars);
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}
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function _endElement($parser, $tag)
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{
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list($uri, $name) = $this->_splitURI($tag);
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$this->endElement($uri, $name);
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}
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function _splitURI($tag)
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{
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$parts = explode(':', $tag);
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$name = array_pop($parts);
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$uri = implode(':', $parts);
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return array($uri, $name);
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}
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/**
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* Get the Content-Type of the response.
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*
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* @return string The MIME Content-Type of the RPC response.
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*/
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function getResponseContentType()
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{
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return 'application/vnd.syncml+xml';
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}
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function startElement($uri, $element, $attrs)
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{
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$this->_xmlStack++;
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switch ($this->_xmlStack) {
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case 1:
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// <SyncML>
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// Defined in SyncML Representation Protocol, version 1.1 5.2.1
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$this->_output->startElement($uri, $element, $attrs);
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break;
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case 2:
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// Either <SyncML><SyncHdr> or <SyncML><SyncBody>
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if (!isset($this->_contentHandler)) {
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// If not defined then create SyncHdr.
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$this->_contentHandler = &new Horde_SyncML_SyncmlHdr();
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$this->_contentHandler->setOutput($this->_output);
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}
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$this->_contentHandler->startElement($uri, $element, $attrs);
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break;
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default:
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if (isset($this->_contentHandler)) {
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$this->_contentHandler->startElement($uri, $element, $attrs);
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}
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break;
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}
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}
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function endElement($uri, $element)
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{
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switch ($this->_xmlStack) {
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case 1:
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// </SyncML>
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// Defined in SyncML Representation Protocol, version 1.1 5.2.1
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$this->_output->endElement($uri, $element);
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break;
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case 2:
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// Either </SyncHdr></SyncML> or </SyncBody></SyncML>
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if ($element == 'SyncHdr') {
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// Then we get the state from SyncMLHdr, and create a
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// new SyncMLBody.
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$this->_contentHandler->endElement($uri, $element);
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unset($this->_contentHandler);
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$this->_contentHandler = &new Horde_SyncML_SyncmlBody();
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$this->_contentHandler->setOutput($this->_output);
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} else {
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// No longer used.
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$this->_contentHandler->endElement($uri, $element);
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unset($this->_contentHandler);
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}
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break;
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default:
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// </*></SyncHdr></SyncML> or </*></SyncBody></SyncML>
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if (isset($this->_contentHandler)) {
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$this->_contentHandler->endElement($uri, $element);
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}
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break;
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}
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if (isset($this->_chars)) {
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unset($this->_chars);
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}
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$this->_xmlStack--;
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}
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function characters($str)
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{
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if (isset($this->_contentHandler)) {
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$this->_contentHandler->characters($str);
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}
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}
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function raiseError($str)
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{
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return Horde::logMessage($str, __FILE__, __LINE__, PEAR_LOG_ERR);
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}
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}
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