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PhrictionRemarkupRule.php
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Created
Sun, Jul 6, 01:24

PhrictionRemarkupRule.php
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<?php
final class PhrictionRemarkupRule extends PhutilRemarkupRule {
public function getPriority() {
return 175.0;
}
public function apply($text) {
return preg_replace_callback(
'@\B\\[\\[([^|\\]]+)(?:\\|([^\\]]+))?\\]\\]\B@U',
array($this, 'markupDocumentLink'),
$text);
}
public function markupDocumentLink(array $matches) {
$link = trim($matches[1]);
// Handle relative links.
if (substr($link, 0, 2) === './') {
$base = null;
$context = $this->getEngine()->getConfig('contextObject');
if ($context !== null && $context instanceof PhrictionContent) {
// Handle content when it's being rendered in document view.
$base = $context->getSlug();
}
if ($context !== null && is_array($context) &&
idx($context, 'phriction.isPreview')) {
// Handle content when it's a preview for the Phriction editor.
$base = idx($context, 'phriction.slug');
}
if ($base !== null) {
$base_parts = explode('/', rtrim($base, '/'));
$rel_parts = explode('/', substr(rtrim($link, '/'), 2));
foreach ($rel_parts as $part) {
if ($part === '.') {
// Consume standalone dots in a relative path, and do
// nothing with them.
} else if ($part === '..') {
if (count($base_parts) > 0) {
array_pop($base_parts);
}
} else {
array_push($base_parts, $part);
}
}
$link = implode('/', $base_parts).'/';
}
}
$name = trim(idx($matches, 2, $link));
if (empty($matches[2])) {
$name = explode('/', trim($name, '/'));
$name = end($name);
}
$uri = new PhutilURI($link);
$slug = $uri->getPath();
$fragment = $uri->getFragment();
$slug = PhabricatorSlug::normalize($slug);
$slug = PhrictionDocument::getSlugURI($slug);
$href = (string)id(new PhutilURI($slug))->setFragment($fragment);
$text_mode = $this->getEngine()->isTextMode();
$mail_mode = $this->getEngine()->isHTMLMailMode();
if ($this->getEngine()->getState('toc')) {
$text = $name;
} else if ($text_mode || $mail_mode) {
return PhabricatorEnv::getProductionURI($href);
} else {
$text = $this->newTag(
'a',
array(
'href' => $href,
'class' => 'phriction-link',
),
$name);
}
return $this->getEngine()->storeText($text);
}
}

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