/**
* Render shortcodes.
*
* @param string $content The content to render.
* @param array $options Options to be passed to the renderer.
* @param null|Page $page Null or an instance of \Grav\Common\Page.
*
* @return string The modified contents.
*/
public function render($content, $options = [], $page = null)
{
// Build an anonymous function to pass to twig `render` method
$function = function ($tag, $body, $arguments) use($options, $page) {
if (isset($this->shortcodes[$tag])) {
$options = isset($options[$tag]) ? $options[$tag] : [];
}
$event = new Event(['body' => $body, 'options' => new Data(array_replace_recursive($options, $arguments)), 'grav' => self::getGrav(), 'shortcodes' => $this, 'page' => $page, 'tag' => $tag]);
return $event;
};
// Wrapper for shortcodes filter function
$filter_function = function ($name, $content, $context, $env) {
return $this->filterShortcode($name, $content, $context, $env);
};
// Process in-page shortcodes Twig
$name = '@Shortcodes:' . $page->path();
$this->loader->setTemplate($name, $content);
$vars = ['__shortcodes' => $function, '__shortcodes_filter' => $filter_function];
try {
$page_default = $this->page;
$this->page = $page;
$output = $this->twig->render($name, $vars);
} catch (\Twig_Error_Loader $e) {
throw new \RuntimeException($e->getRawMessage(), 404, $e);
}
$shortcodes = isset($page->header()->shortcodes) ? $page->header()->shortcodes : [];
if (isset($shortcodes['extra'])) {
/** @var Cache $cache */
$cache = self::getGrav()['cache'];
$cache_id = md5('shortcodes' . $page->id() . $cache->getKey());
$cache->save($cache_id, $shortcodes['extra']);
}
$this->page = $page_default;
return $output;
}
public function testTemplateReference()
{
$name = new Twig_Test_Loader_TemplateReference('foo');
$loader = new Twig_Loader_Array(array('foo' => 'bar'));
$loader->getCacheKey($name);
$loader->getSource($name);
$loader->isFresh($name, time());
$loader->setTemplate($name, 'foobar');
}
/**
* Adds or overrides a template.
*
* @param string $name The template name
* @param string $template The template source
*/
public function setTemplate($name, $template)
{
$this->loaderArray->setTemplate($name, $template);
}
public function testSetTemplate()
{
$loader = new Twig_Loader_Array(array());
$loader->setTemplate('foo', 'bar');
$this->assertEquals('bar', $loader->getSource('foo'));
}
/**
* @return Twig_Environment
*/
protected function getTwig()
{
if (null === $this->twig) {
$loader = new Twig_Loader_Array(array());
$loader->setTemplate('nx_object_list', file_get_contents(__DIR__ . '/resources/nx_object_list.twig'));
$loader->setTemplate('nx_settings', file_get_contents(__DIR__ . '/resources/nx_settings.twig'));
$this->twig = new Twig_Environment($loader);
$this->twig->addFilter(new Twig_SimpleFilter('nx_parse_date', array($this, 'parse_date_filter')));
$this->twig->addFilter(new Twig_SimpleFilter('nx_url', array($this, 'document_url_filter')));
$this->twig->addFunction(new Twig_SimpleFunction('settings_fields', 'settings_fields'));
$this->twig->addFunction(new Twig_SimpleFunction('do_settings_sections', 'do_settings_sections'));
$this->twig->addFunction(new Twig_SimpleFunction('get_option', 'get_option'));
$this->twig->addFunction(new Twig_SimpleFunction('_e', '_e'));
}
return $this->twig;
}
