/**
* Process a Link excerpt
*
* @param $excerpt
* @param $page
* @param string $type
* @return mixed
*/
public static function processLinkExcerpt($excerpt, $page, $type = 'link')
{
$url = $excerpt['element']['attributes']['href'];
$url_parts = parse_url(htmlspecialchars_decode(urldecode($url)));
// if there is a query, then parse it and build action calls
if (isset($url_parts['query'])) {
$actions = array_reduce(explode('&', $url_parts['query']), function ($carry, $item) {
$parts = explode('=', $item, 2);
$value = isset($parts[1]) ? rawurldecode($parts[1]) : true;
$carry[$parts[0]] = $value;
return $carry;
}, []);
// valid attributes supported
$valid_attributes = ['rel', 'target', 'id', 'class', 'classes'];
// Unless told to not process, go through actions
if (array_key_exists('noprocess', $actions)) {
unset($actions['noprocess']);
} else {
// loop through actions for the image and call them
foreach ($actions as $attrib => $value) {
$key = $attrib;
if (in_array($attrib, $valid_attributes)) {
// support both class and classes
if ($attrib == 'classes') {
$attrib = 'class';
}
$excerpt['element']['attributes'][$attrib] = str_replace(',', ' ', $value);
unset($actions[$key]);
}
}
}
$url_parts['query'] = http_build_query($actions, null, '&', PHP_QUERY_RFC3986);
}
// if no query elements left, unset query
if (empty($url_parts['query'])) {
unset($url_parts['query']);
}
// set path to / if not set
if (empty($url_parts['path'])) {
$url_parts['path'] = '';
}
// if special scheme, just return
if (isset($url_parts['scheme']) && !Utils::startsWith($url_parts['scheme'], 'http')) {
return $excerpt;
}
// handle paths and such
$url_parts = Uri::convertUrl($page, $url_parts, $type);
// build the URL from the component parts and set it on the element
$excerpt['element']['attributes']['href'] = Uri::buildUrl($url_parts);
return $excerpt;
}
protected function inlineLink($excerpt)
{
if (isset($excerpt['type'])) {
$type = $excerpt['type'];
} else {
$type = 'link';
}
// do some trickery to get around Parsedown requirement for valid URL if its Twig in there
if (preg_match($this->twig_link_regex, $excerpt['text'], $matches)) {
$excerpt['text'] = str_replace($matches[1], '/', $excerpt['text']);
$excerpt = parent::inlineLink($excerpt);
$excerpt['element']['attributes']['href'] = $matches[1];
$excerpt['extent'] = $excerpt['extent'] + strlen($matches[1]) - 1;
return $excerpt;
} else {
$excerpt = parent::inlineLink($excerpt);
}
// if this is a link
if (isset($excerpt['element']['attributes']['href'])) {
$url = parse_url(htmlspecialchars_decode($excerpt['element']['attributes']['href']));
// if there is no scheme, the file is local
if (!isset($url['scheme']) && count($url) > 0) {
// convert the URl is required
$excerpt['element']['attributes']['href'] = Uri::convertUrl($this->page, Uri::buildUrl($url), $type);
}
}
return $excerpt;
}
protected function inlineLink($excerpt)
{
if (isset($excerpt['type'])) {
$type = $excerpt['type'];
} else {
$type = 'link';
}
// do some trickery to get around Parsedown requirement for valid URL if its Twig in there
if (preg_match($this->twig_link_regex, $excerpt['text'], $matches)) {
$excerpt['text'] = str_replace($matches[1], '/', $excerpt['text']);
$excerpt = parent::inlineLink($excerpt);
$excerpt['element']['attributes']['href'] = $matches[1];
$excerpt['extent'] = $excerpt['extent'] + strlen($matches[1]) - 1;
return $excerpt;
} else {
$excerpt = parent::inlineLink($excerpt);
}
// if this is a link
if (isset($excerpt['element']['attributes']['href'])) {
$url = parse_url(htmlspecialchars_decode($excerpt['element']['attributes']['href']));
// if there is a query, then parse it and build action calls
if (isset($url['query'])) {
$actions = array_reduce(explode('&', $url['query']), function ($carry, $item) {
$parts = explode('=', $item, 2);
$value = isset($parts[1]) ? $parts[1] : true;
$carry[$parts[0]] = $value;
return $carry;
}, []);
// valid attributes supported
$valid_attributes = ['rel', 'target', 'id', 'class', 'classes'];
// Unless told to not process, go through actions
if (array_key_exists('noprocess', $actions)) {
unset($actions['noprocess']);
} else {
// loop through actions for the image and call them
foreach ($actions as $attrib => $value) {
$key = $attrib;
if (in_array($attrib, $valid_attributes)) {
// support both class and classes
if ($attrib == 'classes') {
$attrib = 'class';
}
$excerpt['element']['attributes'][$attrib] = str_replace(',', ' ', $value);
unset($actions[$key]);
}
}
}
$url['query'] = http_build_query($actions, null, '&', PHP_QUERY_RFC3986);
}
// if no query elements left, unset query
if (empty($url['query'])) {
unset($url['query']);
}
// if there is no scheme, the file is local and we'll need to convert that URL
if (!isset($url['scheme']) && count($url) > 0) {
$excerpt['element']['attributes']['href'] = Uri::convertUrl($this->page, Uri::buildUrl($url), $type, true);
} else {
$excerpt['element']['attributes']['href'] = Uri::buildUrl($url);
}
}
return $excerpt;
}
/**
* Execute shortcode.
*
* @param Event $event An event object.
* @return string|null Return modified contents.
*/
public function execute(Event $event)
{
/* @var \Grav\Common\Grav $grav */
$grav = $event['grav'];
/* @var \Grav\Plugin\Shortcodes\Shortcodes $shortcodes */
$shortcodes = $event['shortcodes'];
/* @var \Grav\Common\Data\Data $options */
$options = $event['options'];
$options->setDefaults($this->defaults);
$type = strtolower($options->get('type'));
$body = trim(strip_tags($event['body'], '<link><script>'));
if ($options->get('inline')) {
$shortcodes->addExtra('assets', 'addInline' . ucfirst($type), $body);
} else {
/* @var \Grav\Common\Page\Page $page */
$page = $event['page'];
/* @var UniformResourceLocator $locator */
$locator = $grav['locator'];
/* @var Uri $uri */
$uri = $grav['uri'];
$priority = $options->get('priority', 10);
$pipeline = $options->get('pipeline', false);
$loading = $options->get('load', '');
$entries = explode("\n", $body);
$name = $type === 'css' ? 'addCss' : 'addJs';
foreach ($entries as $entry) {
$url = $before = trim($entry, " \t");
// Don't process protocol agnostic or external URLs
if (!$grav['uri']->isExternal($url) && substr($url, 0, 2) !== '//') {
if (false !== strpos($url, '://')) {
// Get relative path to the resource (or false if not found).
if ($resource = $locator->findResource($url, false)) {
$url = rtrim($uri->rootUrl(false), '/') . '/' . $resource;
}
} else {
// Resolve URL (relative or absolute with respect to current page)
$url = Uri::convertUrl($page, $url);
}
if (false === strpos($url, '://')) {
$url = preg_replace('~^' . preg_quote($uri->rootUrl(false)) . '~i', '', $url);
$url = rtrim($uri->rootUrl(true), '/') . $url;
}
}
$shortcodes->addExtra('assets', $name, [$url, $priority, $pipeline, $loading]);
}
}
}
