PhabricatorRemarkupFigletBlockInterpreter.php
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	<?php

	final class PhabricatorRemarkupFigletBlockInterpreter
	extends PhutilRemarkupBlockInterpreter {

	public function getInterpreterName() {
	return 'figlet';
	}

	public function markupContent($content, array $argv) {
	if (!Filesystem::binaryExists('figlet')) {
	return $this->markupError(
	pht('Unable to locate the `figlet` binary. Install figlet.'));
	}

	$font = idx($argv, 'font', 'standard');
	$safe_font = preg_replace('/[^0-9a-zA-Z-_.]/', '', $font);
	$future = id(new ExecFuture('figlet -f %s', $safe_font))
	->setTimeout(15)
	->write(trim($content, "\n"));

	list($err, $stdout, $stderr) = $future->resolve();

	if ($err) {
	return $this->markupError(
	pht(
	'Execution of `%s` failed: %s',
	'figlet',
	$stderr));
	}


	if ($this->getEngine()->isTextMode()) {
	return $stdout;
	}

	return phutil_tag(
	'div',
	array(
	'class' => 'PhabricatorMonospaced remarkup-figlet',
	),
	$stdout);
	}

	}