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Added support for relative links and actual path links to markdown links

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This commit is contained in:
Andy Miller 2014-08-30 13:40:55 -06:00
parent 188e7ddb75
commit a33bfd8cb0
1 changed files with 61 additions and 0 deletions
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61
system/src/Grav/Common/Markdown/MarkdownGravLinkTrait.php
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@ -2,12 +2,14 @@
namespace Grav\Common\Markdown;
use Grav\Common\Debugger;
use Grav\Common\GravTrait;
/**
* A trait to add some custom processing to the identifyLink() method in Parsedown and ParsedownExtra
*/
trait MarkdownGravLinkTrait
{
use GravTrait;
protected function identifyLink($Excerpt)
{
@ -15,6 +17,65 @@ trait MarkdownGravLinkTrait
$Excerpt = parent::identifyLink($Excerpt);
$actions = array();
$command = '';
$config = self::$grav['config'];
$base_url = trim($config->get('system.base_url_relative'));
$base_url_full = trim($config->get('system.base_url_absolute'));
// if this is a link
if (isset($Excerpt['element']['attributes']['href'])) {
$url = parse_url(htmlspecialchars_decode($Excerpt['element']['attributes']['href']));
// if there is no host set but there is a path, the file is local
if (!isset($url['host']) && isset($url['path'])) {
$markdown_url = $url['path'];
$not_relative_urls = ['/','http://','https://'];
$valid = true;
// make sure the url is relative
foreach ($not_relative_urls as $needle) {
if (strpos($markdown_url, $needle) === 0) {
$valid = false;
break;
}
}
// if it is a valid relative url being the transformation
if ($valid) {
$relative_path = rtrim($base_url, '/') . $this->page->route();
// If this is a 'real' filepath clean it up
if (file_exists($this->page->path().'/'.$markdown_url)) {
$relative_path = rtrim($base_url, '/') .
preg_replace('/\/([\d]+.)/', '/',
str_replace(PAGES_DIR, '/', $this->page->path()));
$markdown_url = preg_replace('/^([\d]+.)/', '',
preg_replace('/\/([\d]+.)/', '/', $markdown_url));
}
// else its a relative path already
$newpath = array();
$paths = explode('/', $markdown_url);
// remove the updirectory references (..)
foreach ($paths as $path) {
if ($path == '..') {
$relative_path = dirname($relative_path);
} else {
$newpath[] = $path;
}
}
// build the new url
$new_url = $relative_path . '/' . implode('/', $newpath);
// set the new url back on the Excerpt
$Excerpt['element']['attributes']['href'] = $new_url;
}
}
}
// if this is an image
if (isset($Excerpt['element']['attributes']['src'])) {