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();
}
/**
* Set the search criteria to highlight
*
* @param string $highlightSearch
*
* @return $this
*/
public function setHighlightSearch($highlightSearch)
{
$this->highlightSearch = $highlightSearch;
return $this;
}
/**
* Get the search criteria to highlight
*
* @return string
*/
public function getHighlightSearch()
{
return $this->highlightSearch;
}
/**
* Syntax highlighting for PHP code
*
* @param array $match
*
* @return string
*/
protected function highlightPhp($match)
{
return '' . highlight_string(htmlspecialchars_decode($match[1]), true) . '
';
}
/**
* Highlight search criteria
*
* @param string $html
* @param DocSearch $search Search criteria
*
* @return string
*/
protected function highlightSearch($html, DocSearch $search)
{
$doc = new DOMDocument();
@$doc->loadHTML($html);
$iter = new RecursiveIteratorIterator(new DomNodeIterator($doc), RecursiveIteratorIterator::SELF_FIRST);
foreach ($iter as $node) {
if ($node->nodeType !== XML_TEXT_NODE
|| ($node->parentNode->nodeType === XML_ELEMENT_NODE && $node->parentNode->tagName === 'code')
) {
continue;
}
$text = $node->nodeValue;
if (($match = $search->search($text)) === null) {
continue;
}
$matches = $match->getMatches();
ksort($matches);
$offset = 0;
$fragment = $doc->createDocumentFragment();
foreach ($matches as $position => $match) {
$fragment->appendChild($doc->createTextNode(substr($text, $offset, $position - $offset)));
$fragment->appendChild($doc->createElement('span', $match))
->setAttribute('class', DocSearchMatch::HIGHLIGHT_CSS_CLASS);
$offset = $position + strlen($match);
}
$fragment->appendChild($doc->createTextNode(substr($text, $offset)));
$node->parentNode->replaceChild($fragment, $node);
}
// Remove removeChild($doc->doctype);
// Remove and
return substr($doc->saveHTML(), 12, -15);
}
/**
* 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 \DOMElement $blockquote */
if (strtolower(substr(trim($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 \DOMElement $img */
$path = $this->getView()->getHelper('Url')->url(
array_merge(
array(
'image' => trim($img->getAttribute('src'))
),
$this->urlParams
),
$this->imageUrl,
false,
false
);
$url = $this->getView()->url($path);
/** @var \Icinga\Web\Url $url */
$img->setAttribute('src', $url->getAbsoluteUrl());
return substr_replace($doc->saveXML($img), '', -2, 1); // Replace '/>' with '>'
}
/**
* Replace chapter link
*
* @param array $match
*
* @return string
*/
protected function replaceChapterLink($match)
{
if (($chapter = $this->tree->getNode($this->decodeAnchor($match['chapter']))) === null) {
return $match[0];
}
/** @var \Icinga\Module\Doc\DocSection $section */
$path = $this->getView()->getHelper('Url')->url(
array_merge(
$this->urlParams,
array(
'chapter' => $this->encodeUrlParam($chapter->getChapter()->getId())
)
),
$this->url,
false,
false
);
$url = $this->getView()->url($path);
/** @var \Icinga\Web\Url $url */
return sprintf(
'getNoFollow() ? 'rel="nofollow" ' : '',
$url->getAbsoluteUrl()
);
}
/**
* Replace section link
*
* @param array $match
*
* @return string
*/
protected function replaceSectionLink($match)
{
if (($section = $this->tree->getNode($this->decodeAnchor($match['section']))) === null) {
return $match[0];
}
/** @var \Icinga\Module\Doc\DocSection $section */
$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);
/** @var \Icinga\Web\Url $url */
$url->setAnchor($this->encodeAnchor($section->getId()));
return sprintf(
'getNoFollow() ? 'rel="nofollow" ' : '',
$url->getAbsoluteUrl()
);
}
/**
* {@inheritdoc}
*/
public function render()
{
$search = null;
if (($highlightSearch = $this->getHighlightSearch()) !== null) {
$search = new DocSearch($highlightSearch);
}
foreach ($this as $section) {
$title = $section->getTitle();
if ($search !== null && ($match = $search->search($title)) !== null) {
$title = $match->highlight();
} else {
$title = $this->getView()->escape($title);
}
$number = '';
for ($i = 0; $i < $this->getDepth() + 1; ++$i) {
if ($i > 0) {
$number .= '.';
}
$number .= $this->getSubIterator($i)->key() + 1;
}
$this->content[] = sprintf(
'%3$s. %4$s',
static::encodeAnchor($section->getId()),
$section->getLevel(),
$number,
$title
);
$html = $this->parsedown->text(implode('', $section->getContent()));
if (empty($html)) {
continue;
}
$html = preg_replace_callback(
'#(.*?)
#s',
array($this, 'highlightPhp'),
$html
);
$html = preg_replace_callback(
'/]+>/',
array($this, 'replaceImg'),
$html
);
$html = preg_replace_callback(
'#.+?
#ms',
array($this, 'markupNotes'),
$html
);
$html = preg_replace_callback(
'/[^>]*?\s+)?href="(?:(?!http:\/\/)[^"#]*)#(?P[^"]+)"/',
array($this, 'replaceSectionLink'),
$html
);
$html = preg_replace_callback(
'/[^>]*?\s+)?href="(?:\d+-)?(?P[^\/"#]+).md"/',
array($this, 'replaceChapterLink'),
$html
);
if ($search !== null) {
$html = $this->highlightSearch($html, $search);
}
$this->content[] = $html;
}
return implode("\n", $this->content);
}
}