Update to the svn version of "HTTP WebDAV server" (integration to owncloud was made with alimited knowledge, so it may be ugly).Anyway it improves a lot the score on litmus testsuite on my server.

3 files changed, 431 insertions, 381 deletions

diff --git a/inc/HTTP/WebDAV/Tools/_parse_lockinfo.php b/inc/HTTP/WebDAV/Tools/_parse_lockinfo.php
index 3b32e2ff612..6319f0d5200 100755..100644
--- a/inc/HTTP/WebDAV/Tools/_parse_lockinfo.php
+++ b/inc/HTTP/WebDAV/Tools/_parse_lockinfo.php
@@ -1,159 +1,173 @@
-<?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_lockinfo.php,v 1.2 2004/01/05 12:32:40 hholzgra Exp $
-//
+<?php // $Id$
+/*
+   +----------------------------------------------------------------------+
+   | Copyright (c) 2002-2007 Christian Stocker, Hartmut Holzgraefe        |
+   | All rights reserved                                                  |
+   |                                                                      |
+   | Redistribution and use in source and binary forms, with or without   |
+   | modification, are permitted provided that the following conditions   |
+   | are met:                                                             |
+   |                                                                      |
+   | 1. Redistributions of source code must retain the above copyright    |
+   |    notice, this list of conditions and the following disclaimer.     |
+   | 2. Redistributions in binary form must reproduce the above copyright |
+   |    notice, this list of conditions and the following disclaimer in   |
+   |    the documentation and/or other materials provided with the        |
+   |    distribution.                                                     |
+   | 3. The names of the authors may not be used to endorse or promote    |
+   |    products derived from this software without specific prior        |
+   |    written permission.                                               |
+   |                                                                      |
+   | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+   | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+   | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+   | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE       |
+   | COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,  |
+   | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+   | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;     |
+   | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER     |
+   | CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT   |
+   | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN    |
+   | ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE      |
+   | POSSIBILITY OF SUCH DAMAGE.                                          |
+   +----------------------------------------------------------------------+
+*/
+
 
 /**
  * helper class for parsing LOCK request bodies
  * 
  * @package HTTP_WebDAV_Server
  * @author Hartmut Holzgraefe <hholzgra@php.net>
- * @version 0.99.1dev
+ * @version @package-version@
  */
 class _parse_lockinfo 
 {
-	/**
-	 * success state flag
-	 *
-	 * @var bool
-	 * @access public
-	 */
-	var $success = false;
-
-	/**
-	 * lock type, currently only "write"
-	 *
-	 * @var string
-	 * @access public
-	 */
-	var $locktype = "";
-
-	/**
-	 * lock scope, "shared" or "exclusive"
-	 *
-	 * @var string
-	 * @access public
-	 */
-	var $lockscope = "";
-
-	/**
-	 * lock owner information
-	 *
-	 * @var string
-	 * @access public
-	 */
-	var $owner = "";
-
-	/**
-	 * flag that is set during lock owner read
-	 *
-	 * @var bool
-	 * @access private
-	 */
-	var $collect_owner = false;
-	
-	/**
-	 * constructor
-	 *
-	 * @param  string  path of stream to read
-	 * @access public
-	 */
+    /**
+     * success state flag
+     *
+     * @var bool
+     * @access public
+     */
+    var $success = false;
+
+    /**
+     * lock type, currently only "write"
+     *
+     * @var string
+     * @access public
+     */
+    var $locktype = "";
+
+    /**
+     * lock scope, "shared" or "exclusive"
+     *
+     * @var string
+     * @access public
+     */
+    var $lockscope = "";
+
+    /**
+     * lock owner information
+     *
+     * @var string
+     * @access public
+     */
+    var $owner = "";
+
+    /**
+     * flag that is set during lock owner read
+     *
+     * @var bool
+     * @access private
+     */
+    var $collect_owner = false;
+    
+    /**
+     * constructor
+     *
+     * @param  string  path of stream to read
+     * @access public
+     */
     function _parse_lockinfo($path) 
-	{
-		// we assume success unless problems occur
-		$this->success = true;
-
-		// remember if any input was parsed
-		$had_input = false;
-		
-		// open stream
-		$f_in = fopen($path, "r");
-		if (!$f_in) {
-			$this->success = false;
-			return;
-		}
-
-		// create namespace aware parser
-		$xml_parser = xml_parser_create_ns("UTF-8", " ");
-
-		// set tag and data handlers
-		xml_set_element_handler($xml_parser,
-								array(&$this, "_startElement"),
-								array(&$this, "_endElement"));
-		xml_set_character_data_handler($xml_parser,
-									   array(&$this, "_data"));
-
-		// we want a case sensitive parser
-		xml_parser_set_option($xml_parser,
-							  XML_OPTION_CASE_FOLDING, false);
-
-		// parse input
-		while($this->success && !feof($f_in)) {
-			$line = fgets($f_in);
-			if (is_string($line)) {
-				$had_input = true;
-				$this->success &= xml_parse($xml_parser, $line, false);
-			}
-		} 
-
-		// finish parsing
-		if($had_input) {
-			$this->success &= xml_parse($xml_parser, "", true);
-		}
-
-		// check if required tags where found
-		$this->success &= !empty($this->locktype);
-		$this->success &= !empty($this->lockscope);
-
-		// free parser resource
-		xml_parser_free($xml_parser);
-
-		// close input stream
-		fclose($f_in);		
-	}
+    {
+        // we assume success unless problems occur
+        $this->success = true;
+
+        // remember if any input was parsed
+        $had_input = false;
+        
+        // open stream
+        $f_in = fopen($path, "r");
+        if (!$f_in) {
+            $this->success = false;
+            return;
+        }
+
+        // create namespace aware parser
+        $xml_parser = xml_parser_create_ns("UTF-8", " ");
+
+        // set tag and data handlers
+        xml_set_element_handler($xml_parser,
+                                array(&$this, "_startElement"),
+                                array(&$this, "_endElement"));
+        xml_set_character_data_handler($xml_parser,
+                                       array(&$this, "_data"));
+
+        // we want a case sensitive parser
+        xml_parser_set_option($xml_parser,
+                              XML_OPTION_CASE_FOLDING, false);
+
+        // parse input
+        while ($this->success && !feof($f_in)) {
+            $line = fgets($f_in);
+            if (is_string($line)) {
+                $had_input = true;
+                $this->success &= xml_parse($xml_parser, $line, false);
+            }
+        } 
+
+        // finish parsing
+        if ($had_input) {
+            $this->success &= xml_parse($xml_parser, "", true);
+        }
+
+        // check if required tags where found
+        $this->success &= !empty($this->locktype);
+        $this->success &= !empty($this->lockscope);
+
+        // free parser resource
+        xml_parser_free($xml_parser);
+
+        // close input stream
+        fclose($f_in);      
+    }
     
 
-	/**
-	 * tag start handler
-	 *
-	 * @param  resource  parser
-	 * @param  string    tag name
-	 * @param  array     tag attributes
-	 * @return void
-	 * @access private
-	 */
+    /**
+     * tag start handler
+     *
+     * @param  resource  parser
+     * @param  string    tag name
+     * @param  array     tag attributes
+     * @return void
+     * @access private
+     */
     function _startElement($parser, $name, $attrs) 
     {
-		// namespace handling
+        // namespace handling
         if (strstr($name, " ")) {
             list($ns, $tag) = explode(" ", $name);
         } else {
-            $ns = "";
+            $ns  = "";
             $tag = $name;
         }
-		
+        
   
         if ($this->collect_owner) {
-			// everything within the <owner> tag needs to be collected
+            // everything within the <owner> tag needs to be collected
             $ns_short = "";
-            $ns_attr = "";
+            $ns_attr  = "";
             if ($ns) {
                 if ($ns == "DAV:") {
                     $ns_short = "D:";
@@ -163,75 +177,75 @@ class _parse_lockinfo
             }
             $this->owner .= "<$ns_short$tag$ns_attr>";
         } else if ($ns == "DAV:") {
-			// parse only the essential tags
+            // parse only the essential tags
             switch ($tag) {
-			case "write":
-				$this->locktype = $tag;
-				break;
-			case "exclusive":
-			case "shared":
-				$this->lockscope = $tag;
-				break;
-			case "owner":
-				$this->collect_owner = true;
-				break;
+            case "write":
+                $this->locktype = $tag;
+                break;
+            case "exclusive":
+            case "shared":
+                $this->lockscope = $tag;
+                break;
+            case "owner":
+                $this->collect_owner = true;
+                break;
             }
         }
     }
-	
-	/**
-	 * data handler
-	 *
-	 * @param  resource  parser
-	 * @param  string    data
-	 * @return void
-	 * @access private
-	 */
+    
+    /**
+     * data handler
+     *
+     * @param  resource  parser
+     * @param  string    data
+     * @return void
+     * @access private
+     */
     function _data($parser, $data) 
     {
-		// only the <owner> tag has data content
+        // only the <owner> tag has data content
         if ($this->collect_owner) {
             $this->owner .= $data;
         }
     }
 
-	/**
-	 * tag end handler
-	 *
-	 * @param  resource  parser
-	 * @param  string    tag name
-	 * @return void
-	 * @access private
-	 */
+    /**
+     * tag end handler
+     *
+     * @param  resource  parser
+     * @param  string    tag name
+     * @return void
+     * @access private
+     */
     function _endElement($parser, $name) 
     {
-		// namespace handling
-		if (strstr($name, " ")) {
-			list($ns, $tag) = explode(" ", $name);
-		} else {
-			$ns = "";
-			$tag = $name;
-		}
-
-		// <owner> finished?
-		if (($ns == "DAV:") && ($tag == "owner")) {
-			$this->collect_owner = false;
-		}
-
-		// within <owner> we have to collect everything
-		if ($this->collect_owner) {
-			$ns_short = "";
-			$ns_attr = "";
-			if ($ns) {
-				if ($ns == "DAV:") {
+        // namespace handling
+        if (strstr($name, " ")) {
+            list($ns, $tag) = explode(" ", $name);
+        } else {
+            $ns  = "";
+            $tag = $name;
+        }
+
+        // <owner> finished?
+        if (($ns == "DAV:") && ($tag == "owner")) {
+            $this->collect_owner = false;
+        }
+
+        // within <owner> we have to collect everything
+        if ($this->collect_owner) {
+            $ns_short = "";
+            $ns_attr  = "";
+            if ($ns) {
+                if ($ns == "DAV:") {
                     $ns_short = "D:";
-				} else {
-					$ns_attr = " xmlns='$ns'";
-				}
-			}
-			$this->owner .= "</$ns_short$tag$ns_attr>";
-		}
+                } else {
+                    $ns_attr = " xmlns='$ns'";
+                }
+            }
+            $this->owner .= "</$ns_short$tag$ns_attr>";
+        }
     }
 }
 
-?>
\ No newline at end of file
+?>
diff --git a/inc/HTTP/WebDAV/Tools/_parse_propfind.php b/inc/HTTP/WebDAV/Tools/_parse_propfind.php
index 15234cb15af..cf72b529d97 100755..100644
--- a/inc/HTTP/WebDAV/Tools/_parse_propfind.php
+++ b/inc/HTTP/WebDAV/Tools/_parse_propfind.php
@@ -1,178 +1,191 @@
-<?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_propfind.php,v 1.2 2004/01/05 12:33:22 hholzgra Exp $
-//
+<?php // $Id$
+/*
+   +----------------------------------------------------------------------+
+   | Copyright (c) 2002-2007 Christian Stocker, Hartmut Holzgraefe        |
+   | All rights reserved                                                  |
+   |                                                                      |
+   | Redistribution and use in source and binary forms, with or without   |
+   | modification, are permitted provided that the following conditions   |
+   | are met:                                                             |
+   |                                                                      |
+   | 1. Redistributions of source code must retain the above copyright    |
+   |    notice, this list of conditions and the following disclaimer.     |
+   | 2. Redistributions in binary form must reproduce the above copyright |
+   |    notice, this list of conditions and the following disclaimer in   |
+   |    the documentation and/or other materials provided with the        |
+   |    distribution.                                                     |
+   | 3. The names of the authors may not be used to endorse or promote    |
+   |    products derived from this software without specific prior        |
+   |    written permission.                                               |
+   |                                                                      |
+   | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+   | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+   | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+   | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE       |
+   | COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,  |
+   | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+   | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;     |
+   | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER     |
+   | CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT   |
+   | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN    |
+   | ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE      |
+   | POSSIBILITY OF SUCH DAMAGE.                                          |
+   +----------------------------------------------------------------------+
+*/
 
 /**
  * helper class for parsing PROPFIND request bodies
  * 
  * @package HTTP_WebDAV_Server
  * @author Hartmut Holzgraefe <hholzgra@php.net>
- * @version 0.99.1dev
+ * @version @package-version@
  */
 class _parse_propfind 
 {
-	/**
-	 * success state flag
-	 *
-	 * @var bool
-	 * @access public
-	 */
-	var $success = false;
-
-	/**
-	 * found properties are collected here
-	 *
-	 * @var array
-	 * @access public
-	 */
-	var $props = false;
-
-	/**
-	 * internal tag nesting depth counter
-	 *
-	 * @var int
-	 * @access private
-	 */
-	var $depth = 0;
-
-	
-	/**
-	 * constructor
-	 *
-	 * @access public
-	 */
-	function _parse_propfind($path) 
-	{
-		// success state flag
-		$this->success = true;
-		
-		// property storage array
-		$this->props = array();
-
-		// internal tag depth counter
-		$this->depth = 0;
-
-		// remember if any input was parsed
-		$had_input = false;
-
-		// open input stream
-		$f_in = fopen($path, "r");
-		if (!$f_in) {
-			$this->success = false;
-			return;
-		}
-
-		// create XML parser
-		$xml_parser = xml_parser_create_ns("UTF-8", " ");
-
-		// set tag and data handlers
-		xml_set_element_handler($xml_parser,
-								array(&$this, "_startElement"),
-								array(&$this, "_endElement"));
-
-		// we want a case sensitive parser
-		xml_parser_set_option($xml_parser, 
-							  XML_OPTION_CASE_FOLDING, false);
-
-
-		// parse input
-		while($this->success && !feof($f_in)) {
-			$line = fgets($f_in);
-			if (is_string($line)) {
-				$had_input = true;
-				$this->success &= xml_parse($xml_parser, $line, false);
-			}
-		} 
-		
-		// finish parsing
-		if($had_input) {
-			$this->success &= xml_parse($xml_parser, "", true);
-		}
-
-		// free parser
-		xml_parser_free($xml_parser);
-		
-		// close input stream
-		fclose($f_in);
-
-		// if no input was parsed it was a request
-		if(!count($this->props)) $this->props = "all"; // default
-	}
-	
-
-	/**
-	 * start tag handler
-	 * 
-	 * @access private
-	 * @param  resource  parser
-	 * @param  string    tag name
-	 * @param  array     tag attributes
-	 */
-	function _startElement($parser, $name, $attrs) 
-	{
-		// name space handling
-		if (strstr($name, " ")) {
-			list($ns, $tag) = explode(" ", $name);
-			if ($ns == "")
-				$this->success = false;
-		} else {
-			$ns = "";
-			$tag = $name;
-		}
-
-		// special tags at level 1: <allprop> and <propname>
-		if ($this->depth == 1) {
-			if ($tag == "allprop")
-				$this->props = "all";
-
-			if ($tag == "propname")
-				$this->props = "names";
-		}
-
-		// requested properties are found at level 2
-		if ($this->depth == 2) {
-			$prop = array("name" => $tag);
-			if ($ns)
-				$prop["xmlns"] = $ns;
-			$this->props[] = $prop;
-		}
-
-		// increment depth count
-		$this->depth++;
-	}
-	
-
-	/**
-	 * end tag handler
-	 * 
-	 * @access private
-	 * @param  resource  parser
-	 * @param  string    tag name
-	 */
-	function _endElement($parser, $name) 
-	{
-		// here we only need to decrement the depth count
-		$this->depth--;
-	}
+    /**
+     * success state flag
+     *
+     * @var bool
+     * @access public
+     */
+    var $success = false;
+
+    /**
+     * found properties are collected here
+     *
+     * @var array
+     * @access public
+     */
+    var $props = false;
+
+    /**
+     * internal tag nesting depth counter
+     *
+     * @var int
+     * @access private
+     */
+    var $depth = 0;
+
+    
+    /**
+     * constructor
+     *
+     * @access public
+     */
+    function _parse_propfind($path) 
+    {
+        // success state flag
+        $this->success = true;
+        
+        // property storage array
+        $this->props = array();
+
+        // internal tag depth counter
+        $this->depth = 0;
+
+        // remember if any input was parsed
+        $had_input = false;
+
+        // open input stream
+        $f_in = fopen($path, "r");
+        if (!$f_in) {
+            $this->success = false;
+            return;
+        }
+
+        // create XML parser
+        $xml_parser = xml_parser_create_ns("UTF-8", " ");
+
+        // set tag and data handlers
+        xml_set_element_handler($xml_parser,
+                                array(&$this, "_startElement"),
+                                array(&$this, "_endElement"));
+
+        // we want a case sensitive parser
+        xml_parser_set_option($xml_parser, 
+                              XML_OPTION_CASE_FOLDING, false);
+
+
+        // parse input
+        while ($this->success && !feof($f_in)) {
+            $line = fgets($f_in);
+            if (is_string($line)) {
+                $had_input = true;
+                $this->success &= xml_parse($xml_parser, $line, false);
+            }
+        } 
+        
+        // finish parsing
+        if ($had_input) {
+            $this->success &= xml_parse($xml_parser, "", true);
+        }
+
+        // free parser
+        xml_parser_free($xml_parser);
+        
+        // close input stream
+        fclose($f_in);
+
+        // if no input was parsed it was a request
+        if(!count($this->props)) $this->props = "all"; // default
+    }
+    
+
+    /**
+     * start tag handler
+     * 
+     * @access private
+     * @param  resource  parser
+     * @param  string    tag name
+     * @param  array     tag attributes
+     */
+    function _startElement($parser, $name, $attrs) 
+    {
+        // name space handling
+        if (strstr($name, " ")) {
+            list($ns, $tag) = explode(" ", $name);
+            if ($ns == "")
+                $this->success = false;
+        } else {
+            $ns  = "";
+            $tag = $name;
+        }
+
+        // special tags at level 1: <allprop> and <propname>
+        if ($this->depth == 1) {
+            if ($tag == "allprop")
+                $this->props = "all";
+
+            if ($tag == "propname")
+                $this->props = "names";
+        }
+
+        // requested properties are found at level 2
+        if ($this->depth == 2) {
+            $prop = array("name" => $tag);
+            if ($ns)
+                $prop["xmlns"] = $ns;
+            $this->props[] = $prop;
+        }
+
+        // increment depth count
+        $this->depth++;
+    }
+    
+
+    /**
+     * end tag handler
+     * 
+     * @access private
+     * @param  resource  parser
+     * @param  string    tag name
+     */
+    function _endElement($parser, $name) 
+    {
+        // here we only need to decrement the depth count
+        $this->depth--;
+    }
 }
 
 
-?>
\ No newline at end of file
+?>
diff --git a/inc/HTTP/WebDAV/Tools/_parse_proppatch.php b/inc/HTTP/WebDAV/Tools/_parse_proppatch.php
index 9836ab228c8..fb0e595ddf7 100755..100644
--- a/inc/HTTP/WebDAV/Tools/_parse_proppatch.php
+++ b/inc/HTTP/WebDAV/Tools/_parse_proppatch.php
@@ -1,31 +1,45 @@
-<?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 1.3 2004/01/05 12:41:34 hholzgra Exp $
-//
+<?php // $Id$
+/*
+   +----------------------------------------------------------------------+
+   | Copyright (c) 2002-2007 Christian Stocker, Hartmut Holzgraefe        |
+   | All rights reserved                                                  |
+   |                                                                      |
+   | Redistribution and use in source and binary forms, with or without   |
+   | modification, are permitted provided that the following conditions   |
+   | are met:                                                             |
+   |                                                                      |
+   | 1. Redistributions of source code must retain the above copyright    |
+   |    notice, this list of conditions and the following disclaimer.     |
+   | 2. Redistributions in binary form must reproduce the above copyright |
+   |    notice, this list of conditions and the following disclaimer in   |
+   |    the documentation and/or other materials provided with the        |
+   |    distribution.                                                     |
+   | 3. The names of the authors may not be used to endorse or promote    |
+   |    products derived from this software without specific prior        |
+   |    written permission.                                               |
+   |                                                                      |
+   | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+   | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+   | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+   | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE       |
+   | COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,  |
+   | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+   | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;     |
+   | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER     |
+   | CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT   |
+   | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN    |
+   | ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE      |
+   | POSSIBILITY OF SUCH DAMAGE.                                          |
+   +----------------------------------------------------------------------+
+*/
+
 
 /**
  * helper class for parsing PROPPATCH request bodies
  * 
  * @package HTTP_WebDAV_Server
  * @author Hartmut Holzgraefe <hholzgra@php.net>
- * @version 0.99.1dev
+ * @version @package-version@
  */
 class _parse_proppatch 
 {
@@ -152,8 +166,10 @@ class _parse_proppatch
 
         if ($this->depth >= 4) {
             $this->current["val"] .= "<$tag";
-            foreach ($attr as $key => $val) {
-                $this->current["val"] .= ' '.$key.'="'.str_replace('"','&quot;', $val).'"';
+            if (isset($attr)) {
+                foreach ($attr as $key => $val) {
+                    $this->current["val"] .= ' '.$key.'="'.str_replace('"','&quot;', $val).'"';
+                }
             }
             $this->current["val"] .= ">";
         }
@@ -204,11 +220,18 @@ class _parse_proppatch
      * @return void
      * @access private
      */
-    function _data($parser, $data) {
+    function _data($parser, $data) 
+    {
         if (isset($this->current)) {
             $this->current["val"] .= $data;
         }
     }
 }
 
-?>
\ No newline at end of file
+/*
+ * Local variables:
+ * tab-width: 4
+ * c-basic-offset: 4
+ * indent-tabs-mode:nil
+ * End:
+ */