PhutilPygmentizeBinaryAnalyzer.php
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	<?php

	final class PhutilPygmentizeBinaryAnalyzer
	extends PhutilBinaryAnalyzer {

	const BINARY = 'pygmentize';

	protected function newBinaryVersion() {
	list($err, $stdout) = exec_manual('pygmentize -V');

	if ($err) {
	return null;
	}

	return self::parsePygmentizeBinaryVersion($stdout);
	}

	public static function parsePygmentizeBinaryVersion($stdout) {
	// These look like:
	// Pygments version 2.0.1, (c) 2006-2014 by Georg Brandl.

	$pattern = '(^Pygments version ([^,]+),)';
	$matches = null;
	if (preg_match($pattern, $stdout, $matches)) {
	return $matches[1];
	}

	return null;
	}

	}