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phorge/src/infrastructure/markup/rule/PhabricatorRemarkupRuleObject.php
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PhabricatorRemarkupRuleObject.php
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<?php
/**
* @group markup
*/
abstract class PhabricatorRemarkupRuleObject
extends PhutilRemarkupRule {
const KEY_RULE_OBJECT = 'rule.object';
abstract protected function getObjectNamePrefix();
abstract protected function loadObjects(array $ids);
protected function getObjectIDPattern() {
return '[1-9]\d*';
}
protected function shouldMarkupObject(array $params) {
return true;
}
protected function loadHandles(array $objects) {
$phids = mpull($objects, 'getPHID');
$query = new PhabricatorObjectHandleData($phids);
$viewer = $this->getEngine()->getConfig('viewer');
$query->setViewer($viewer);
$handles = $query->loadHandles();
$result = array();
foreach ($objects as $id => $object) {
$result[$id] = $handles[$object->getPHID()];
}
return $result;
}
protected function renderObjectRef($object, $handle, $anchor, $id) {
$href = $handle->getURI();
$text = $this->getObjectNamePrefix().$id;
if ($anchor) {
$matches = null;
if (preg_match('@^(?:comment-)?(\d{1,7})$@', $anchor, $matches)) {
// Maximum length is 7 because 12345678 could be a file hash in
// Differential.
$href = $href.'#comment-'.$matches[1];
$text = $text.'#'.$matches[1];
} else {
$href = $href.'#'.$anchor;
$text = $text.'#'.$anchor;
}
}
if ($this->getEngine()->isTextMode()) {
return PhabricatorEnv::getProductionURI($href);
}
$status_closed = PhabricatorObjectHandleStatus::STATUS_CLOSED;
$attr = array(
'phid' => $handle->getPHID(),
'closed' => ($handle->getStatus() == $status_closed),
);
return $this->renderHovertag($text, $href, $attr);
}
protected function renderObjectEmbed($object, $handle, $options) {
$name = $handle->getFullName();
$href = $handle->getURI();
if ($this->getEngine()->isTextMode()) {
return $name.' <'.PhabricatorEnv::getProductionURI($href).'>';
}
$attr = array(
'phid' => $handle->getPHID(),
);
return $this->renderHovertag($name, $href, $attr);
}
protected function renderHovertag($name, $href, array $attr = array()) {
return id(new PhabricatorTagView())
->setName($name)
->setHref($href)
->setType(PhabricatorTagView::TYPE_OBJECT)
->setPHID(idx($attr, 'phid'))
->setClosed(idx($attr, 'closed'))
->render();
}
public function apply($text) {
$prefix = $this->getObjectNamePrefix();
$prefix = preg_quote($prefix, '@');
$id = $this->getObjectIDPattern();
$text = preg_replace_callback(
'@\B{'.$prefix.'('.$id.')((?:[^}\\\\]|\\\\.)*)}\B@',
array($this, 'markupObjectEmbed'),
$text);
// NOTE: The "(?<!#)" prevents us from linking "#abcdef" or similar. The
// "\b" allows us to link "(abcdef)" or similar without linking things
// in the middle of words.
$text = preg_replace_callback(
'@(?<!#)\b'.$prefix.'('.$id.')(?:#([-\w\d]+))?\b@',
array($this, 'markupObjectReference'),
$text);
return $text;
}
public function markupObjectEmbed($matches) {
return $this->markupObject(array(
'type' => 'embed',
'id' => $matches[1],
'options' => idx($matches, 2),
'original' => $matches[0],
));
}
public function markupObjectReference($matches) {
return $this->markupObject(array(
'type' => 'ref',
'id' => $matches[1],
'anchor' => idx($matches, 2),
'original' => $matches[0],
));
}
private function markupObject(array $params) {
if (!$this->shouldMarkupObject($params)) {
return $params['original'];
}
$engine = $this->getEngine();
$token = $engine->storeText('x');
$metadata_key = self::KEY_RULE_OBJECT.'.'.$this->getObjectNamePrefix();
$metadata = $engine->getTextMetadata($metadata_key, array());
$metadata[] = array(
'token' => $token,
) + $params;
$engine->setTextMetadata($metadata_key, $metadata);
return $token;
}
public function didMarkupText() {
$engine = $this->getEngine();
$metadata_key = self::KEY_RULE_OBJECT.'.'.$this->getObjectNamePrefix();
$metadata = $engine->getTextMetadata($metadata_key, array());
if (!$metadata) {
return;
}
$ids = ipull($metadata, 'id');
$objects = $this->loadObjects($ids);
// For objects that are invalid or which the user can't see, just render
// the original text.
// TODO: We should probably distinguish between these cases and render a
// "you can't see this" state for nonvisible objects.
foreach ($metadata as $key => $spec) {
if (empty($objects[$spec['id']])) {
$engine->overwriteStoredText(
$spec['token'],
$spec['original']);
unset($metadata[$key]);
}
}
$handles = $this->loadHandles($objects);
foreach ($metadata as $key => $spec) {
$handle = $handles[$spec['id']];
$object = $objects[$spec['id']];
switch ($spec['type']) {
case 'ref':
$view = $this->renderObjectRef(
$object,
$handle,
$spec['anchor'],
$spec['id']);
break;
case 'embed':
$view = $this->renderObjectEmbed($object, $handle, $spec['options']);
break;
}
$engine->overwriteStoredText($spec['token'], $view);
}
$engine->setTextMetadata($metadata_key, array());
}
}

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