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phorge/src/infrastructure/markup/remarkup/markuprule/handle/PhabricatorRemarkupRuleObjectHandle.php
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PhabricatorRemarkupRuleObjectHandle.php
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<?php
/*
* Copyright 2011 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @group markup
*/
abstract class PhabricatorRemarkupRuleObjectHandle
extends PhutilRemarkupRule {
const KEY_RULE_HANDLE = 'rule.handle';
abstract protected function getObjectNamePrefix();
abstract protected function loadObjectPHID($id);
public function apply($text) {
$prefix = $this->getObjectNamePrefix();
return preg_replace_callback(
"@\B{{$prefix}(\d+)}\B@",
array($this, 'markupObjectHandle'),
$text);
}
private function markupObjectHandle($matches) {
// TODO: These are single gets but should be okay for now, they're behind
// the cache.
$phid = $this->loadObjectPHID($matches[1]);
if (!$phid) {
return $matches[0];
}
$engine = $this->getEngine();
$token = $engine->storeText('');
$metadata_key = self::KEY_RULE_HANDLE;
$metadata = $engine->getTextMetadata($metadata_key, array());
if (empty($metadata[$phid])) {
$metadata[$phid] = array();
}
$metadata[$phid][] = $token;
$engine->setTextMetadata($metadata_key, $metadata);
return $token;
}
public function didMarkupText() {
$engine = $this->getEngine();
$metadata_key = self::KEY_RULE_HANDLE;
$metadata = $engine->getTextMetadata($metadata_key, array());
if (empty($metadata)) {
return;
}
$handles = id(new PhabricatorObjectHandleData(array_keys($metadata)))
->loadHandles();
foreach ($metadata as $phid => $tokens) {
$link = $handles[$phid]->renderLink();
foreach ($tokens as $token) {
$engine->overwriteStoredText($token, $link);
}
}
$engine->setTextMetadata($metadata_key, array());
}
}

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