PhutilSyntaxHighlighterEngine.php
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	<?php

	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();
	}
	}

	}