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<?php
/**
* Creates XML documents.
*
* PHPDoc uses this helper class to generate xml documents. It's
* not much what this class can do but it provides some simple
* functions to handle attributes and hides file handling tasks.
*
* @author Ulf Wendel <ulf.wendel@phpdoc.de>
* @version 1.0
*/
class PhpdocXMLWriter extends PhpdocObject {
/**
* Generated XML document.
*
* @var string $xml
*/
var $xml = "";
/**
* PHPDoc Warning object
*
* @var object PhpdocWarning
*/
var $warn;
/**
* Filehandler used for IO operations
*
* @var object PhpdocFilehandler
* @see PhpdocXMLWriter
*/
var $fileHandler;
/**
* Creates a new PhpdocFileHandler
*
* @see $filehandler
*/
function PhpdocXMLWriter() {
$this->fileHandler = new PhpdocFileHandler;
} // end constructor
/**
* Clears the internal xml data buffer so that a new document can be passed to the object.
* @access public
*/
function free() {
$this->xml = "";
} // end func free
/**
* Adds xml to the generated xml.
*
* @param string xml to append
* @access public
*/
function addXML($xml) {
$this->xml.= $xml;
} // end func addXML
/**
* Saves the xml to the specified file.
*
* @param string Name of the target file
* @access public
*/
function export($filename) {
return $this->fileHandler->createFile($filename, $this->xml);
} // end func export
/**
* Adds an open (or single) xml tag to the generated xml.
*
* Use this function to add new elements/tags to the xml document.
* The tagname and all attributenames will be converted to lowercase.
*
* @param string elementname (tagname)
* @param string value of the container: <name>value
* @param array Array of attributes: $attribs[n][type] = boolean|cdata, $attribs[n][value] = value
* @param boolean Flag indication that you want an empty tag like <name/>.
* @access public
* @see endElement()
*/
function startElement($name, $value="", $attribs="", $close = false) {
$xml = "<".strtolower($name);
if (is_array($attribs)) {
reset($attribs);
while (list($attrib, $data)=each($attribs)) {
$attrib = strtolower($attrib);
$type = strtolower($data["type"]);
switch($type) {
case "boolean":
$xml.= sprintf(' %s="%s"', $attrib, ($data["value"]) ? "true" : "false");
break;
case "cdata":
$xml.= sprintf(' %s="%s"', $attrib, $this->xmlencode($data["value"]) );
break;
}
}
}
if ($close) {
$xml.= "/>";
} else {
$xml.= ">";
if (""!=$value)
$xml.= $this->xmlencode($value);
}
$this->xml.= $xml;
} // end func startElement
/**
* Adds a closing xml tag to the generated xml document.
*
* @param string Elementname (tagname)
* @access public
* @see startElement()
*/
function endElement($name) {
$this->xml.= sprintf("</%s>", strtolower($name) );
} // end func endElement
/**
* Adds a complete xml container to the generated xml document.
*
* @param string Elementname (tagname)
* @param string Value
* @param array Attributes
* @access public
* @see startElement(), endElement()
*/
function addElement($name, $value="", $attribs="") {
if (""==$value) {
$this->startElement($name, $value, $attribs, true);
} else {
$this->startElement($name, $value, $attribs, false);
$this->endElement($name);
}
} // end func addElement
/**
* Encodes XML values.
* @param string $value
* @return string $value
*/
function xmlencode($value) {
# return preg_replace( array("@<@", "@>@", "@'@", '@"@', "@&@", "@".LINEBREAK."@", "@\n@", "@\r@"), array("<", ">", "'", """, "&", '
', '
', '
'), $value);
return utf8_encode(preg_replace( array("@<@", "@>@", "@'@", '@"@', "@&@", "@".LINEBREAK."@", "@\n@", "@\r@"), array("<", ">", "'", """, "&", '
', '
', '
'), $value));
} // end func xmlencode
} // end class PhpdocXMLWriter
?>
|
