/**
* Converts links from absolute '/' or relative (../..) to a grav friendly format
*
* @param $page the current page to use as reference
* @param string $markdown_url the URL as it was written in the markdown
*
* @return string the more friendly formatted url
*/
public static function convertUrl(Page $page, $markdown_url)
{
$grav = Grav::instance();
$pages_dir = $grav['locator']->findResource('page://');
$base_url = rtrim($grav['base_url'] . $grav['pages']->base(), '/');
// if absolute and starts with a base_url move on
if (pathinfo($markdown_url, PATHINFO_DIRNAME) == '.' && $page->url() == '/') {
return '/' . $markdown_url;
// no path to convert
} elseif ($base_url != '' && Utils::startsWith($markdown_url, $base_url)) {
return $markdown_url;
// if contains only a fragment
} elseif (Utils::startsWith($markdown_url, '#')) {
return $markdown_url;
} else {
$target = null;
// see if page is relative to this or absolute
if (Utils::startsWith($markdown_url, '/')) {
$normalized_url = Utils::normalizePath($base_url . $markdown_url);
$normalized_path = Utils::normalizePath($pages_dir . $markdown_url);
} else {
$normalized_url = $base_url . Utils::normalizePath($page->route() . '/' . $markdown_url);
$normalized_path = Utils::normalizePath($page->path() . '/' . $markdown_url);
}
// special check to see if path checking is required.
$just_path = str_replace($normalized_url, '', $normalized_path);
if ($just_path == $page->path()) {
return $normalized_url;
}
$url_bits = parse_url($normalized_path);
$full_path = $url_bits['path'];
if (file_exists($full_path)) {
// do nothing
} elseif (file_exists(urldecode($full_path))) {
$full_path = urldecode($full_path);
} else {
return $normalized_url;
}
$path_info = pathinfo($full_path);
$page_path = $path_info['dirname'];
$filename = '';
if ($markdown_url == '..') {
$page_path = $full_path;
} else {
// save the filename if a file is part of the path
if (is_file($full_path)) {
if ($path_info['extension'] != 'md') {
$filename = '/' . $path_info['basename'];
}
} else {
$page_path = $full_path;
}
}
// get page instances and try to find one that fits
$instances = $grav['pages']->instances();
if (isset($instances[$page_path])) {
$target = $instances[$page_path];
$url_bits['path'] = $base_url . $target->route() . $filename;
return Uri::buildUrl($url_bits);
}
return $normalized_url;
}
}
private function addLink(Page $page, array $configuration, $type = 'link')
{
return array_merge(array('menu' => $page->menu(), 'url' => $page->url(), 'type' => $type), $configuration);
}
protected function inlineImage($excerpt)
{
if (preg_match($this->twig_link_regex, $excerpt['text'], $matches)) {
$excerpt['text'] = str_replace($matches[1], '/', $excerpt['text']);
$excerpt = parent::inlineImage($excerpt);
$excerpt['element']['attributes']['src'] = $matches[1];
$excerpt['extent'] = $excerpt['extent'] + strlen($matches[1]) - 1;
return $excerpt;
} else {
$excerpt['type'] = 'image';
$excerpt = parent::inlineImage($excerpt);
}
// Some stuff we will need
$actions = [];
$media = null;
// if this is an image
if (isset($excerpt['element']['attributes']['src'])) {
$alt = $excerpt['element']['attributes']['alt'] ?: '';
$title = $excerpt['element']['attributes']['title'] ?: '';
$class = isset($excerpt['element']['attributes']['class']) ? $excerpt['element']['attributes']['class'] : '';
//get the url and parse it
$url = parse_url(htmlspecialchars_decode($excerpt['element']['attributes']['src']));
$this_host = isset($url['host']) && $url['host'] == $this->uri->host();
// if there is no host set but there is a path, the file is local
if ((!isset($url['host']) || $this_host) && isset($url['path'])) {
$path_parts = pathinfo($url['path']);
// get the local path to page media if possible
if ($path_parts['dirname'] == $this->page->url(false, false, false)) {
// get the media objects for this page
$media = $this->page->media();
} else {
// see if this is an external page to this one
$base_url = rtrim(self::getGrav()['base_url_relative'] . self::getGrav()['pages']->base(), '/');
$page_route = '/' . ltrim(str_replace($base_url, '', $path_parts['dirname']), '/');
$ext_page = $this->pages->dispatch($page_route, true);
if ($ext_page) {
$media = $ext_page->media();
}
}
// if there is a media file that matches the path referenced..
if ($media && isset($media->all()[$path_parts['basename']])) {
// get the medium object
$medium = $media->all()[$path_parts['basename']];
// 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] : null;
$carry[] = ['method' => $parts[0], 'params' => $value];
return $carry;
}, []);
}
// loop through actions for the image and call them
foreach ($actions as $action) {
$medium = call_user_func_array([$medium, $action['method']], explode(',', urldecode($action['params'])));
}
if (isset($url['fragment'])) {
$medium->urlHash($url['fragment']);
}
$excerpt['element'] = $medium->parseDownElement($title, $alt, $class, true);
} else {
// not a current page media file, see if it needs converting to relative
$excerpt['element']['attributes']['src'] = Uri::buildUrl($url);
}
}
}
return $excerpt;
}
