/**
* Asserts that the given string is valid HTML document.
*
* @since 1.23
*
* @note Will mark the test as skipped if the "tidy" module is not installed.
* @note This ignores $wgUseTidy, so we can check for valid HTML even (and especially)
* when automatic tidying is disabled.
*
* @param string $html A complete HTML document
*/
protected function assertValidHtmlDocument($html)
{
// Note: we only validate if the tidy PHP extension is available.
// In case wgTidyInternal is false, MWTidy would fall back to the command line version
// of tidy. In that case however, we can not reliably detect whether a failing validation
// is due to malformed HTML, or caused by tidy not being installed as a command line tool.
// That would cause all HTML assertions to fail on a system that has no tidy installed.
if (!$GLOBALS['wgTidyInternal'] || !MWTidy::isEnabled()) {
$this->markTestSkipped('Tidy extension not installed');
}
$errorBuffer = '';
MWTidy::checkErrors($html, $errorBuffer);
$allErrors = preg_split('/[\\r\\n]+/', $errorBuffer);
// Filter Tidy warnings which aren't useful for us.
// Tidy eg. often cries about parameters missing which have actually
// been deprecated since HTML4, thus we should not care about them.
$errors = preg_grep('/^(.*Warning: (trimming empty|.* lacks ".*?" attribute).*|\\s*)$/m', $allErrors, PREG_GREP_INVERT);
$this->assertEmpty($errors, implode("\n", $errors));
}
/**
* Replace the output with an error if the HTML is not valid
*
* @param $s string
*
* @return string
*/
function wfHtmlValidationHandler($s)
{
$errors = '';
if (MWTidy::checkErrors($s, $errors)) {
return $s;
}
header('Cache-Control: no-cache');
$out = Html::element('h1', null, 'HTML validation error');
$out .= Html::openElement('ul');
$error = strtok($errors, "\n");
$badLines = array();
while ($error !== false) {
if (preg_match('/^line (\\d+)/', $error, $m)) {
$lineNum = intval($m[1]);
$badLines[$lineNum] = true;
$out .= Html::rawElement('li', null, Html::element('a', array('href' => "#line-{$lineNum}"), $error)) . "\n";
}
$error = strtok("\n");
}
$out .= Html::closeElement('ul');
$out .= Html::element('pre', null, $errors);
$out .= Html::openElement('ol') . "\n";
$line = strtok($s, "\n");
$i = 1;
while ($line !== false) {
$attrs = array();
if (isset($badLines[$i])) {
$attrs['class'] = 'highlight';
$attrs['id'] = "line-{$i}";
}
$out .= Html::element('li', $attrs, $line) . "\n";
$line = strtok("\n");
$i++;
}
$out .= Html::closeElement('ol');
$style = <<<CSS
.highlight { background-color: #ffc }
li { white-space: pre }
CSS;
$out = Html::htmlHeader(array('lang' => 'en', 'dir' => 'ltr')) . Html::rawElement('head', null, Html::element('title', null, 'HTML validation error') . Html::inlineStyle($style)) . Html::rawElement('body', null, $out) . Html::closeElement('html');
return $out;
}
/**
* Replace the output with an error if the HTML is not valid
*
* @param $s string
*
* @return string
*/
function wfHtmlValidationHandler($s)
{
$errors = '';
if (MWTidy::checkErrors($s, $errors)) {
return $s;
}
header('Cache-Control: no-cache');
$out = <<<EOT
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" dir="ltr">
<head>
<title>HTML validation error</title>
<style>
.highlight { background-color: #ffc }
li { white-space: pre }
</style>
</head>
<body>
<h1>HTML validation error</h1>
<ul>
EOT;
$error = strtok($errors, "\n");
$badLines = array();
while ($error !== false) {
if (preg_match('/^line (\\d+)/', $error, $m)) {
$lineNum = intval($m[1]);
$badLines[$lineNum] = true;
$out .= "<li><a href=\"#line-{$lineNum}\">" . htmlspecialchars($error) . "</a></li>\n";
}
$error = strtok("\n");
}
$out .= '</ul>';
$out .= '<pre>' . htmlspecialchars($errors) . '</pre>';
$out .= "<ol>\n";
$line = strtok($s, "\n");
$i = 1;
while ($line !== false) {
if (isset($badLines[$i])) {
$out .= "<li class=\"highlight\" id=\"line-{$i}\">";
} else {
$out .= '<li>';
}
$out .= htmlspecialchars($line) . "</li>\n";
$line = strtok("\n");
$i++;
}
$out .= '</ol></body></html>';
return $out;
}
