getIterator(), $chapter);
if ($filter->isEmpty()) {
throw new ChapterNotFoundException(
mt('doc', 'Chapter %s not found'), $chapter
);
}
parent::__construct(
$filter,
RecursiveIteratorIterator::SELF_FIRST
);
} else {
parent::__construct($tree->getIterator(), RecursiveIteratorIterator::SELF_FIRST);
}
$this->tree = $tree;
$this->parsedown = Parsedown::instance();
}
/**
* Syntax highlighting for PHP code
*
* @param array $match
*
* @return string
*/
protected function highlightPhp($match)
{
return '' . highlight_string(htmlspecialchars_decode($match[1]), true) . '
';
}
/**
* Markup notes
*
* @param array $match
*
* @return string
*/
protected function markupNotes($match)
{
$doc = new DOMDocument();
$doc->loadHTML($match[0]);
$xpath = new DOMXPath($doc);
$blockquote = $xpath->query('//blockquote[1]')->item(0);
/* @var $blockquote \DOMElement */
if (strtolower(substr(trim($blockquote->nodeValue), 0, 5)) === 'note:') {
$blockquote->setAttribute('class', 'note');
}
return $doc->saveXML($blockquote);
}
/**
* Replace img src tags
*
* @param $match
*
* @return string
*/
protected function replaceImg($match)
{
$doc = new DOMDocument();
$doc->loadHTML($match[0]);
$xpath = new DOMXPath($doc);
$img = $xpath->query('//img[1]')->item(0);
/* @var $img \DOMElement */
$img->setAttribute('src', Url::fromPath($img->getAttribute('src'))->getAbsoluteUrl());
return substr_replace($doc->saveXML($img), '', -2, 1); // Replace '/>' with '>'
}
/**
* Replace link
*
* @param array $match
*
* @return string
*/
protected function replaceLink($match)
{
if (($section = $this->tree->getNode($this->decodeAnchor($match['fragment']))) === null) {
return $match[0];
}
/** @type $section \Icinga\Module\Doc\DocSection */
$path = $this->getView()->getHelper('Url')->url(
array_merge(
$this->urlParams,
array(
'chapter' => $this->encodeUrlParam($section->getChapter()->getId())
)
),
$this->url,
false,
false
);
$url = $this->getView()->url($path);
/** @type \Icinga\Web\Url $url */
$url->setAnchor($this->encodeAnchor($section->getId()));
return sprintf(
'getNoFollow() ? 'rel="nofollow" ' : '',
$url->getAbsoluteUrl()
);
}
/**
* {@inheritdoc}
*/
public function render()
{
foreach ($this as $section) {
$this->content[] = sprintf(
'%3$s',
Renderer::encodeAnchor($section->getId()),
$section->getLevel(),
$this->getView()->escape($section->getTitle())
);
$html = preg_replace_callback(
'#(.*?)
#s',
array($this, 'highlightPhp'),
$this->parsedown->text(implode('', $section->getContent()))
);
$html = preg_replace_callback(
'/]+>/',
array($this, 'replaceImg'),
$html
);
$html = preg_replace_callback(
'#.+
#ms',
array($this, 'markupNotes'),
$html
);
$this->content[] = preg_replace_callback(
'/[^>]*?\s+)?href="(?:(?!http:\/\/)[^#]*)#(?P[^"]+)"/',
array($this, 'replaceLink'),
$html
);
}
return implode("\n", $this->content);
}
}