public function execute(AgaviXmlConfigDomDocument $DOM)
{
$DOM->setDefaultNamespace(self::$NsValidation["ns"], self::$NsValidation["key"]);
$xpath = $DOM->getXpath();
$nsVal = self::$NsValidation["key"];
$nsValURI = self::$NsValidation["ns"];
$xpath->registerNamespace(self::$NsEnvelope["key"], self::$NsEnvelope["ns"]);
$validators = $xpath->query("//" . $nsVal . ":validators");
$params = array();
foreach ($validators as $val) {
if ($val->getAttribute("method") && $val->getAttribute("method") != "write") {
//only respect POST requests
continue;
}
$validators = $xpath->query("//" . $nsVal . ":validator", $val);
foreach ($validators as $validator) {
$params[] = $this->parseRequestParameter($validator);
}
}
return $params;
}
/**
* Transforms a given document according to xml-stylesheet processing
* instructions
*
* @param AgaviXmlConfigDomDocument The document to act upon.
* @param string The environment name.
* @param string The context name.
*
* @return AgaviXmlConfigDomDocument The transformed document.
*
* @author David Zülke <*****@*****.**>
* @author Noah Fontes <*****@*****.**>
* @since 1.0.0
*/
public static function transformProcessingInstructions(AgaviXmlConfigDomDocument $document, $environment, $context)
{
$transformations = array();
$transformationInfo = array();
$xpath = $document->getXpath();
// see if there are <?xml-stylesheet... processing instructions
$stylesheetProcessingInstructions = $xpath->query("//processing-instruction('xml-stylesheet')", $document);
foreach ($stylesheetProcessingInstructions as $pi) {
// yes! alright. trick: we create a doc fragment with the contents so we don't have to parse things by hand...
$fragment = $document->createDocumentFragment();
$fragment->appendXml('<foo ' . $pi->data . ' />');
$type = $fragment->firstChild->getAttribute('type');
// we process only the types below...
if (in_array($type, array('text/xml', 'text/xsl', 'application/xml', 'application/xsl+xml'))) {
$href = $href = $fragment->firstChild->getAttribute('href');
if (strpos($href, '#') === 0) {
// the href points to an embedded XSL stylesheet (with ID reference), so let's see if we can find it
$stylesheets = $xpath->query("//*[@id='" . substr($href, 1) . "']", $document);
if ($stylesheets->length) {
// excellent. make a new doc from that element!
try {
$xsl = new AgaviXmlConfigDomDocument();
$xsl->appendChild($xsl->importNode($stylesheets->item(0), true));
} catch (DOMException $dome) {
throw new AgaviParseException(sprintf('Configuration file "%s" could not be parsed: Could not load XSL stylesheet "%s": %s', $document->documentURI, $href, $dome->getMessage()));
}
// and append to the list of XSLs to process
// TODO: spec mandates that external XSLs be processed first!
$transformations[] = $xsl;
} else {
throw new AgaviParseException(sprintf('Configuration file "%s" could not be parsed because the inline stylesheet "%s" referenced in the "xml-stylesheet" processing instruction could not be found in the document.', $document->documentURI, $href));
}
} else {
// href references an xsl file, remember the path
$transformationInfo[] = AgaviToolkit::expandDirectives($href);
}
// remove the processing instructions after we dealt with them
$pi->parentNode->removeChild($pi);
}
}
return self::transform($document, $environment, $context, $transformationInfo, $transformations);
}