/**
* Executes a compiler plugin.
*
* Throws an exception in case an error occurred during compilation of the tag.
*
* @param string $pluginClassName Name of the compiler plugin class to execute
* @param \Ableron\Core\Template\TemplateTag $templateTag The template tag to compile
* @throws \Ableron\Core\Exception\SystemException
* @return string
*/
private function executeCompilerPlugin($pluginClassName, TemplateTag $templateTag)
{
// execute closing tag
if ($templateTag->isClosingTag()) {
return $this->compileCompilerPluginClosingTag($templateTag->getTagName());
}
// compile opening tag
return $this->compileCompilerPluginOpeningTag($this->getCompilerPlugin($pluginClassName, $templateTag));
}
/**
* Extracts the path of the parent template file of the given template.
*
* Returns NULL in case the given template does not has a parent template.
*
* @param string $template The template to extract the parent template path from
* @return string|null
*/
private function extractParentTemplatePath($template)
{
// extract template tags from given template
$templateTags = $this->templateCompiler->extractTemplateTags($template);
// check whether at least one tag has been found
if (isset($templateTags[0])) {
// get first tag
$firstTemplateTag = new TemplateTag($templateTags[0]);
// return parent template path in case first tag is an extends-tag
if ($firstTemplateTag->getTagName() === 'extends') {
return $firstTemplateTag->getArgument(0);
}
}
// given template does not has a parent template
return null;
}
