require_once 'toolbox.php';
removeMagicQuotes($_POST);
removeMagicQuotes($_GET);
$commands = isset($_POST['commands']) ? $_POST['commands'] : '';
if (!$commands) {
$example = isset($_GET['example']) ? $_GET['example'] : 'complex';
$example = filter_var($example, FILTER_SANITIZE_STRING, FILTER_FLAG_STRIP_LOW | FILTER_FLAG_STRIP_HIGH);
$filename = "examples/{$example}.logo";
if (file_exists($filename)) {
$commands = file_get_contents($filename);
}
}
$error = false;
try {
$turtle = new Turtle($commands);
} catch (Exception $e) {
$error = $e->getMessage();
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<title>Simple Turtle Graphics Parser (written in PHP)</title>
<link rel="stylesheet" type="text/css" href="http://yui.yahooapis.com/2.4.1/build/reset-fonts-grids/reset-fonts-grids.css">
<style type="text/css">
html {
font-family: Arial, sans-serif;
background: #101010;
color: #cfcfcf;
}
<?php
require_once 'toolbox.php';
removeMagicQuotes($_GET);
$turtle = new Turtle($_GET['commands'], 350, 350);
$maxFilenameLength = 20;
$filename = str_replace(array(' ', ':', '"', '?'), array('-', 'c', 'q', 'p'), $_GET['commands']);
if (strlen($filename) > $maxFilenameLength) {
$filenameMd5 = md5($filename);
$filename = substr($filename, 0, $maxFilenameLength) . '_' . $filenameMd5;
}
header("Content-Disposition: Attachment;filename={$filename}.png");
header('Content-Type: image/png');
echo $turtle->getImage();
/**
* @dataProvider validMultiLineCommandsProvider
**/
public function testCommandsAreNormalisedToASingleLine($input, $expected)
{
$turtle = new Turtle($input);
$this->assertFalse(strpos("\n", $turtle->getNormalisedTokens()), 'Normalised string should not contain any newlines.');
}