/**
* Prepare the parsed markdown and/or user messages
*/
protected function _prepareParsedMarkdown()
{
$curent_file_with_root = $this->getTree()->getSearch()->getCurrentFile(false);
$curent_file_without_root = $this->getTree()->getSearch()->getCurrentFile(true);
// Prepare the parsedown content
if (empty($curent_file_without_root)) {
if ($this->_tree->getSearch()->isCurrentFileValid()) {
$this->_user_messages['info'][] = array('title' => 'No file selected', 'message' => 'Browse the file tree on the left and click a file.');
} else {
$this->_user_messages['danger'][] = array('title' => 'Invalid request', 'message' => 'The file you requested is not accessable by this application.');
}
} elseif (file_exists($curent_file_with_root) && is_dir($curent_file_with_root)) {
$this->_user_messages['warning'][] = array('title' => 'Directory selected', 'message' => 'Cannot display the content of directories.
Browse the file tree on the left and click a file.');
} elseif (file_exists($curent_file_with_root) && is_readable($curent_file_with_root)) {
try {
// Parsedown execution
$parser = new \ParsedownExtra();
$file_encoder = new FileEncoder($curent_file_with_root);
$markdown = $parser->text(utf8_decode($file_encoder->getFileContents()));
if (!empty($markdown)) {
$dom_implementation = new \DOMImplementation();
$doc_type = $dom_implementation->createDocumentType('html', '', '');
$dom = $dom_implementation->createDocument('', 'html', $doc_type);
libxml_use_internal_errors(true);
$dom->loadHTML($markdown);
$errors = libxml_get_errors();
if (!empty($errors)) {
$messages = array();
/** @var \LibXMLError $error */
foreach ($errors as $error) {
$messages[] = $error->message;
}
$this->_user_messages['warning'][] = array('title' => 'This markdown file contains erroneous code', 'message' => join(', ', $messages));
}
$this->_parsed_markdown = $dom->documentElement;
$this->modifyInternalLinks();
} else {
$this->_user_messages['warning'][] = array('title' => ":-( You're not done yet!", 'message' => 'This file has no content at all.');
}
} catch (\Exception $e) {
$this->_parsed_markdown = null;
$this->_user_messages['danger'][] = array('title' => "Oops! An error occured while parsing markdown file", 'message' => $curent_file_without_root . ': ' . $e->getMessage());
}
} else {
$this->_user_messages['danger'][] = array('title' => '404', 'message' => 'The file you requested does not exist or is not readable.');
}
}
/**
* Return the page output (HTML / Raw)
*
* @param array $headers Output headers
*
* @return string|\DOMDocument
*/
public function getOutput(array &$headers = array())
{
$this->_prepareOptions();
$this->_prepareSearch();
$this->_prepareTree();
// Raw output?
switch ($this->_options->get(Opt::OUTPUT_TYPE)) {
case Opt::OUTPUT_TYPE_RAW:
$headers['Content-type'] = 'text/plain; charset=UTF-8';
$current_file = $this->_search->getCurrentFile(false);
if ($this->_search->isCurrentFileValid() && is_file($current_file)) {
$file_encoder = new FileEncoder($current_file);
$output = $file_encoder->getFileContents();
} else {
$output = 'Your current selection is not valid.';
}
break;
case Opt::OUTPUT_TYPE_DOM:
$headers['Content-type'] = 'text/html; charset=UTF-8';
$this->_tree->buildTree();
$this->_preparePage();
$output = $this->_page->getDOMDocument();
break;
default:
$output = 'No valid output type set.';
}
return $output;
}
