PhabricatorRemarkupRuleObjectName.php
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	<?php

	/**
	* @group markup
	*/
	abstract class PhabricatorRemarkupRuleObjectName
	extends PhutilRemarkupRule {

	abstract protected function getObjectNamePrefix();

	protected function getObjectIDPattern() {
	return '[1-9]\d*';
	}

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

	public function markupObjectNameLink($matches) {
	list(, $prefix, $id) = $matches;

	if (isset($matches[3])) {
	$href = $matches[3];
	$text = $matches[3];
	if (preg_match('@^(?:comment-)?(\d{1,7})$@', $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_tag(
	'a',
	array(
	'href' => $href,
	),
	$text));
	}

	}