/**
* Render the presentation and return the result.
*
* @param AgaviTemplateLayer The template layer to render.
* @param array The template variables.
* @param array The slots.
* @param array Associative array of additional assigns.
*
* @return string A rendered result.
*
* @author David Zülke <*****@*****.**>
* @since 1.1.0
*/
public function render(AgaviTemplateLayer $layer, array &$attributes = array(), array &$slots = array(), array &$moreAssigns = array())
{
if ($this->getParameter('envelope', true)) {
if (!$moreAssigns['inner'] instanceof DOMDocument) {
// plain text, load it as a document
try {
$inner = $this->loadDomDocumentXml($moreAssigns['inner']);
} catch (DOMException $e) {
throw new AgaviRenderException(sprintf("Unable to load input document for layer '%s'.\n\n%s", $layer->getName(), $e->getMessage()));
}
} else {
$inner = $moreAssigns['inner'];
}
// construct envelope
$doc = new DOMDocument();
$doc->appendChild($doc->createElementNS(self::ENVELOPE_XMLNS, 'envelope'));
// inner content container
$doc->documentElement->appendChild($innerWrapper = $doc->createElementNS(self::ENVELOPE_XMLNS, 'inner'));
$innerWrapper->appendChild($doc->importNode($inner->documentElement, true));
// slots container
$slotsWrapper = $doc->createElementNS(self::ENVELOPE_XMLNS, 'slots');
$doc->documentElement->appendChild($slotsWrapper);
// flatten slots, iterate and wrap them each
$flattenedSlots = AgaviArrayPathDefinition::flatten($slots);
foreach ($flattenedSlots as $slotName => $slotContent) {
if (!$slotContent instanceof DOMDocument) {
try {
$slot = $this->loadDomDocumentXml($slotContent);
} catch (Exception $e) {
throw new AgaviRenderException(sprintf("Unable to load contents for slot '%s'.\n\n%s", $slotName, $e->getMessage()));
}
} else {
$slot = $slotContent;
}
$slotWrapper = $doc->createElementNS(self::ENVELOPE_XMLNS, 'slot');
$slotWrapper->setAttribute('name', $slotName);
$slotWrapper->appendChild($doc->importNode($slot->documentElement, true));
$slotsWrapper->appendChild($slotWrapper);
}
} else {
if (!$moreAssigns['inner'] instanceof DOMDocument) {
// plain text, load it as a document
$doc = $this->loadDomDocumentXml($moreAssigns['inner']);
} else {
$doc = $moreAssigns['inner'];
}
// This will pretty much never work, so we're not doing it. Users must enable the envelope feature to use slots.
// Warning: XSLTProcessor::transformToXml() [xsltprocessor.transformtoxml]: Cannot create XPath expression (string contains both quote and double-quotes)
// $flattenedSlots = AgaviArrayPathDefinition::flatten($slots);
// foreach($flattenedSlots as $slotName => $slotContent) {
// if($slotContent instanceof DOMDocument) {
// $slotContent = $slotContent->saveXML();
// }
// $xsl->setParameter('', 'slot:' . $slotName, addslashes($slotContent));
// }
}
try {
$xslt = $this->loadDomDocument($layer->getResourceStreamIdentifier());
} catch (DOMException $e) {
throw new AgaviRenderException(sprintf("Unable to load template '%s'.\n\n%s", $layer->getResourceStreamIdentifier(), $e->getMessage()));
}
$xsl = new XSLTProcessor();
$xsl->importStylesheet($xslt);
foreach ($attributes as $name => $attribute) {
if (is_scalar($attribute) || is_object($attribute) && method_exists($attribute, '__toString')) {
$xsl->setParameter('', $name, $attribute);
}
}
return $xsl->transformToXML($doc);
}
