PhabricatorRemarkupFigletBlockInterpreter.php
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	<?php

	final class PhabricatorRemarkupFigletBlockInterpreter
	extends PhutilRemarkupBlockInterpreter {

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

	/**
	* @phutil-external-symbol class Text_Figlet
	*/
	public function markupContent($content, array $argv) {
	$map = self::getFigletMap();

	$font = idx($argv, 'font');
	$font = phutil_utf8_strtolower($font);
	if (empty($map[$font])) {
	$font = 'standard';
	}

	$root = dirname(phutil_get_library_root('phabricator'));
	require_once $root.'/externals/pear-figlet/Text/Figlet.php';

	$figlet = new Text_Figlet();
	$figlet->loadFont($map[$font]);

	$result = $figlet->lineEcho($content);

	$engine = $this->getEngine();

	if ($engine->isTextMode()) {
	return $result;
	}

	if ($engine->isHTMLMailMode()) {
	return phutil_tag('pre', array(), $result);
	}

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

	private static function getFigletMap() {
	$root = dirname(phutil_get_library_root('phabricator'));

	$dirs = array(
	$root.'/externals/figlet/fonts/',
	$root.'/externals/pear-figlet/fonts/',
	$root.'/resources/figlet/custom/',
	);

	$map = array();
	foreach ($dirs as $dir) {
	foreach (Filesystem::listDirectory($dir, false) as $file) {
	if (preg_match('/\.flf\z/', $file)) {
	$name = phutil_utf8_strtolower($file);
	$name = preg_replace('/\.flf\z/', '', $name);
	$map[$name] = $dir.$file;
	}
	}
	}

	return $map;
	}

	}