PhutilSyntaxHighlighterEngine.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 PhutilSyntaxHighlighterEngine {
	abstract public function setConfig($key, $value);
	abstract public function getHighlightFuture($language, $source);
	abstract public function getLanguageFromFilename($filename);

	final public function highlightSource($language, $source) {
	try {
	return $this->getHighlightFuture($language, $source)->resolve();
	} catch (PhutilSyntaxHighlighterException $ex) {
	return id(new PhutilDefaultSyntaxHighlighter())
	->getHighlightFuture($source)
	->resolve();
	}
	}

	}