PhabricatorConfigRemarkupRule.php
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	<?php

	final class PhabricatorConfigRemarkupRule
	extends PhutilRemarkupRule {

	public function apply($text) {
	return preg_replace_callback(
	'(@{config:([^}]+)})',
	array($this, 'markupConfig'),
	$text);
	}

	public function getPriority() {
	// We're reusing the Diviner atom syntax, so make sure we evaluate before
	// the Diviner rule evaluates.
	return id(new DivinerSymbolRemarkupRule())->getPriority() - 1;
	}

	public function markupConfig(array $matches) {
	if (!$this->isFlatText($matches[0])) {
	return $matches[0];
	}

	$config_key = $matches[1];

	try {
	$option = PhabricatorEnv::getEnvConfig($config_key);
	} catch (Exception $ex) {
	return $matches[0];
	}

	$is_text = $this->getEngine()->isTextMode();
	$is_html_mail = $this->getEngine()->isHTMLMailMode();

	if ($is_text \|\| $is_html_mail) {
	return pht('"%s"', $config_key);
	}

	$link = phutil_tag(
	'a',
	array(
	'href' => urisprintf('/config/edit/%s/', $config_key),
	'target' => '_blank',
	),
	$config_key);

	return $this->getEngine()->storeText($link);
	}

	}