PhabricatorRemarkupRuleObjectName.php
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	<?php

	/*
	* Copyright 2012 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 PhabricatorRemarkupRuleObjectName
	extends PhutilRemarkupRule {

	abstract protected function getObjectNamePrefix();

	public function apply($text) {
	$prefix = $this->getObjectNamePrefix();
	return preg_replace_callback(
	"@\b{$prefix}(\d+)(?:#([-\w\d]+))?\b@",
	array($this, 'markupObjectNameLink'),
	$text);
	}

	public function markupObjectNameLink($matches) {
	$prefix = $this->getObjectNamePrefix();
	$id = $matches[1];

	if (isset($matches[2])) {
	$href = $matches[2];
	$text = $matches[2];
	if (preg_match('@^(?:comment-)?(\d{1,7})$@', $href, $matches)) {
	// Maximum length is 7 because 12345678 could be a file hash.
	$href = "comment-{$matches[1]}";
	$text = $matches[1];
	}
	$href = "/{$prefix}{$id}#{$href}";
	$text = "{$prefix}{$id}#{$text}";
	} else {
	$href = "/{$prefix}{$id}";
	$text = "{$prefix}{$id}";
	}

	return $this->getEngine()->storeText(
	phutil_render_tag(
	'a',
	array(
	'href' => $href,
	),
	$text));
	}

	}