egroupware_official/egw-pear/HTTP/WebDAV/Tools/_parse_proppatch.php

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2007-04-15 18:29:09 +02:00
<?php
//
// +----------------------------------------------------------------------+
// | PHP Version 4 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2003 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.02 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/2_02.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Authors: Hartmut Holzgraefe <hholzgra@php.net> |
// | Christian Stocker <chregu@bitflux.ch> |
// +----------------------------------------------------------------------+
//
// $Id: _parse_proppatch.php,v 1.6 2006/10/10 11:53:17 hholzgra Exp $
//
/**
* helper class for parsing PROPPATCH request bodies
*
* @package HTTP_WebDAV_Server
* @author Hartmut Holzgraefe <hholzgra@php.net>
* @version @package-version@
*/
class _parse_proppatch
{
/**
*
*
* @var
* @access
*/
var $success;
/**
*
*
* @var
* @access
*/
var $props;
/**
*
*
* @var
* @access
*/
var $depth;
/**
*
*
* @var
* @access
*/
var $mode;
/**
*
*
* @var
* @access
*/
var $current;
/**
* constructor
*
* @param string path of input stream
* @access public
*/
function _parse_proppatch($path)
{
$this->success = true;
$this->depth = 0;
$this->props = array();
$had_input = false;
$f_in = fopen($path, "r");
if (!$f_in) {
$this->success = false;
return;
}
$xml_parser = xml_parser_create_ns("UTF-8", " ");
xml_set_element_handler($xml_parser,
array(&$this, "_startElement"),
array(&$this, "_endElement"));
xml_set_character_data_handler($xml_parser,
array(&$this, "_data"));
xml_parser_set_option($xml_parser,
XML_OPTION_CASE_FOLDING, false);
while($this->success && !feof($f_in)) {
$line = fgets($f_in);
if (is_string($line)) {
$had_input = true;
$this->success &= xml_parse($xml_parser, $line, false);
}
}
if($had_input) {
$this->success &= xml_parse($xml_parser, "", true);
}
xml_parser_free($xml_parser);
fclose($f_in);
}
/**
* tag start handler
*
* @param resource parser
* @param string tag name
* @param array tag attributes
* @return void
* @access private
*/
function _startElement($parser, $name, $attrs)
{
if (strstr($name, " ")) {
list($ns, $tag) = explode(" ", $name);
if ($ns == "")
$this->success = false;
} else {
$ns = "";
$tag = $name;
}
if ($this->depth == 1) {
$this->mode = $tag;
}
if ($this->depth == 3) {
$prop = array("name" => $tag);
$this->current = array("name" => $tag, "ns" => $ns, "status"=> 200);
if ($this->mode == "set") {
$this->current["val"] = ""; // default set val
}
}
if ($this->depth >= 4) {
$this->current["val"] .= "<$tag";
if (isset($attr)) {
foreach ($attr as $key => $val) {
$this->current["val"] .= ' '.$key.'="'.str_replace('"','&quot;', $val).'"';
}
}
$this->current["val"] .= ">";
}
$this->depth++;
}
/**
* tag end handler
*
* @param resource parser
* @param string tag name
* @return void
* @access private
*/
function _endElement($parser, $name)
{
if (strstr($name, " ")) {
list($ns, $tag) = explode(" ", $name);
if ($ns == "")
$this->success = false;
} else {
$ns = "";
$tag = $name;
}
$this->depth--;
if ($this->depth >= 4) {
$this->current["val"] .= "</$tag>";
}
if ($this->depth == 3) {
if (isset($this->current)) {
$this->props[] = $this->current;
unset($this->current);
}
}
}
/**
* input data handler
*
* @param resource parser
* @param string data
* @return void
* @access private
*/
function _data($parser, $data)
{
if (isset($this->current)) {
$this->current["val"] .= $data;
}
}
}
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* indent-tabs-mode:nil
* End:
*/