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Diffstat (limited to 'inc/HTTP/WebDAV/Tools/_parse_propfind.php')
| -rwxr-xr-x | inc/HTTP/WebDAV/Tools/_parse_propfind.php | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/inc/HTTP/WebDAV/Tools/_parse_propfind.php b/inc/HTTP/WebDAV/Tools/_parse_propfind.php new file mode 100755 index 00000000000..15234cb15af --- /dev/null +++ b/inc/HTTP/WebDAV/Tools/_parse_propfind.php @@ -0,0 +1,178 @@ +<?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 $ +// + +/** + * helper class for parsing PROPFIND request bodies + * + * @package HTTP_WebDAV_Server + * @author Hartmut Holzgraefe <hholzgra@php.net> + * @version 0.99.1dev + */ +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--; + } +} + + +?>
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