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htmlpurifier/benchmarks/HTML_Lexer.php

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<?php
// test our parser versus HTMLSax parser
set_time_limit(5);
// PEAR
require_once 'Benchmark/Timer.php';
require_once 'XML/HTMLSax3.php';
require_once 'Text/Password.php';
require_once '../Token.php';
require_once '../Lexer.php';
class TinyTimer extends Benchmark_Timer
{
var $name;
function TinyTimer($name, $auto = false) {
$this->name = htmlentities($name);
$this->Benchmark_Timer($auto);
}
function getOutput() {
$total = $this->TimeElapsed();
$result = $this->getProfiling();
$dashes = '';
$out = '<tr>';
$out .= "<td>{$this->name}</td>";
foreach ($result as $k => $v) {
if ($v['name'] == 'Start' || $v['name'] == 'Stop') continue;
$perc = (($v['diff'] * 100) / $total);
$tperc = (($v['total'] * 100) / $total);
$out .= '<td align="right">' . number_format($perc, 2, '.', '') .
"%</td>";
}
$out .= '</tr>';
return $out;
}
}
?>
<html>
<head>
<title>Benchmark: HTMLPurifier_Lexer versus HTMLSax</title>
</head>
<body>
<h1>Benchmark: HTMLPurifier_Lexer versus HTMLSax</h1>
<table border="1">
<tr><th>Case</th><th>HTMLPurifier_Lexer</th><th>HTMLPurifier_Lexer_Sax</th></tr>
<?php
function do_benchmark($name, $document) {
$timer = new TinyTimer($name);
$timer->start();
$lexer = new HTMLPurifier_Lexer();
$tokens = $lexer->tokenizeHTML($document);
$timer->setMarker('HTMLPurifier_Lexer');
$lexer = new HTMLPurifier_Lexer_Sax();
$sax_tokens = $lexer->tokenizeHTML($document);
$timer->setMarker('HTMLPurifier_Lexer_Sax');
$timer->stop();
$timer->display();
}
// sample of html pages
$dir = 'samples/Lexer';
$dh = opendir($dir);
while (false !== ($filename = readdir($dh))) {
if (strpos($filename, '.html') !== strlen($filename) - 5) continue;
$document = file_get_contents($dir . '/' . $filename);
do_benchmark("File: $filename", $document);
}
// crashers
$snippets = array();
$snippets[] = '<a href="foo>';
$snippets[] = '<a "=>';
foreach ($snippets as $snippet) {
do_benchmark($snippet, $snippet);
}
// random input
$random = Text_Password::create(80, 'unpronounceable', 'qwerty <>="\'');
do_benchmark('Random input', $random);
?></table>
<?php
echo '<div>Random input was: ' .
'<span colspan="4" style="font-family:monospace;">' . htmlentities($random) .
'</span></div>';
?>
</body></html>