/**
* The process() method handles the "meat" of the template processing.
*
* It takes care of caching the output (via {@link Cache}), as well as
* replacing the special "$Content" and "$Layout" placeholders with their
* respective subtemplates.
*
* The method injects extra HTML in the header via {@link Requirements::includeInHTML()}.
*
* Note: You can call this method indirectly by {@link ViewableData->renderWith()}.
*
* @param ViewableData $item
* @param array|null $arguments Arguments to an included template
* @param ViewableData $inheritedScope The current scope of a parent template including a sub-template
* @return DBHTMLText Parsed template output.
*/
public function process($item, $arguments = null, $inheritedScope = null)
{
SSViewer::$topLevel[] = $item;
$template = $this->chosen;
$cacheFile = TEMP_FOLDER . "/.cache" . str_replace(array('\\', '/', ':'), '.', Director::makeRelative(realpath($template)));
$lastEdited = filemtime($template);
if (!file_exists($cacheFile) || filemtime($cacheFile) < $lastEdited) {
$content = file_get_contents($template);
$content = $this->parseTemplateContent($content, $template);
$fh = fopen($cacheFile, 'w');
fwrite($fh, $content);
fclose($fh);
}
$underlay = array('I18NNamespace' => basename($template));
// Makes the rendered sub-templates available on the parent item,
// through $Content and $Layout placeholders.
foreach (array('Content', 'Layout') as $subtemplate) {
$sub = null;
if (isset($this->subTemplates[$subtemplate])) {
$sub = $this->subTemplates[$subtemplate];
} elseif (!is_array($this->templates)) {
$sub = ['type' => $subtemplate, $this->templates];
} elseif (!array_key_exists('type', $this->templates) || !$this->templates['type']) {
$sub = array_merge($this->templates, ['type' => $subtemplate]);
}
if ($sub) {
$subtemplateViewer = clone $this;
// Disable requirements - this will be handled by the parent template
$subtemplateViewer->includeRequirements(false);
// Select the right template
$subtemplateViewer->setTemplate($sub);
if ($subtemplateViewer->exists()) {
$underlay[$subtemplate] = $subtemplateViewer->process($item, $arguments);
}
}
}
$output = $this->includeGeneratedTemplate($cacheFile, $item, $arguments, $underlay, $inheritedScope);
if ($this->includeRequirements) {
$output = Requirements::includeInHTML($output);
}
array_pop(SSViewer::$topLevel);
// If we have our crazy base tag, then fix # links referencing the current page.
$rewrite = SSViewer::config()->get('rewrite_hash_links');
if ($this->rewriteHashlinks && $rewrite) {
if (strpos($output, '<base') !== false) {
if ($rewrite === 'php') {
$thisURLRelativeToBase = "<?php echo \\SilverStripe\\Core\\Convert::raw2att(preg_replace(\"/^(\\\\/)+/\", \"/\", \$_SERVER['REQUEST_URI'])); ?>";
} else {
$thisURLRelativeToBase = Convert::raw2att(preg_replace("/^(\\/)+/", "/", $_SERVER['REQUEST_URI']));
}
$output = preg_replace('/(<a[^>]+href *= *)"#/i', '\\1"' . $thisURLRelativeToBase . '#', $output);
}
}
return DBField::create_field('HTMLFragment', $output);
}
