PhabricatorRemarkupRuleObjectName.php
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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));
			}

			}