_parse_lockinfo Class Reference

Collaboration diagram for _parse_lockinfo:

Public Member Functions
	_parse_lockinfo ($path)
	constructor
	_startElement ($parser, $name, $attrs)
	tag start handler
	_data ($parser, $data)
	data handler
	_endElement ($parser, $name)
	tag end handler

Data Fields
	$success = false
	$locktype = ""
	$lockscope = ""
	$owner = ""
	$collect_owner = false

Detailed Description

Definition at line 30 of file _parse_lockinfo.php.

Member Function Documentation

_parse_lockinfo::_data	(		$parser,
			$data
	)

data handler

Parameters

resource	parser
string	data

Returns

void private

Definition at line 190 of file _parse_lockinfo.php.

References $data.

    {
                // only the <owner> tag has data content
        if ($this->collect_owner) {
            $this->owner .= $data;
        }
    }

_parse_lockinfo::_endElement	(		$parser,
			$name
	)

tag end handler

Parameters

resource	parser
string	tag name

Returns

void private

Definition at line 206 of file _parse_lockinfo.php.

References $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:") {
                    $ns_short = "D:";
                                } else {
                                        $ns_attr = " xmlns='$ns'";
                                }
                        }
                        $this->owner .= "</$ns_short$tag$ns_attr>";
                }
    }

_parse_lockinfo::_parse_lockinfo

(

$path

)

constructor

Parameters

string

path of stream to read public

Definition at line 78 of file _parse_lockinfo.php.

        {
                // 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);          
        }

_parse_lockinfo::_startElement	(		$parser,
			$name,
			$attrs
	)

tag start handler

Parameters

resource	parser
string	tag name
array	tag attributes

Returns

void private

Definition at line 142 of file _parse_lockinfo.php.

References $name.

    {
                // namespace handling
        if (strstr($name, " ")) {
            list($ns, $tag) = explode(" ", $name);
        } else {
            $ns = "";
            $tag = $name;
        }
                
  
        if ($this->collect_owner) {
                        // everything within the <owner> tag needs to be collected
            $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 if ($ns == "DAV:") {
                        // parse only the essential tags
            switch ($tag) {
                        case "write":
                                $this->locktype = $tag;
                                break;
                        case "exclusive":
                        case "shared":
                                $this->lockscope = $tag;
                                break;
                        case "owner":
                                $this->collect_owner = true;
                                break;
            }
        }
    }

Field Documentation

_parse_lockinfo::$collect_owner = false

Definition at line 70 of file _parse_lockinfo.php.

_parse_lockinfo::$lockscope = ""

Definition at line 54 of file _parse_lockinfo.php.

_parse_lockinfo::$locktype = ""

Definition at line 46 of file _parse_lockinfo.php.

_parse_lockinfo::$owner = ""

Definition at line 62 of file _parse_lockinfo.php.

_parse_lockinfo::$success = false

Definition at line 38 of file _parse_lockinfo.php.

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The documentation for this class was generated from the following file:

• Services/WebDAV/classes/Tools/_parse_lockinfo.php