function convertData($html)
{
// Style according to the Netiquette
$html = preg_replace('#<(?:b|strong)\\b[^>]*>(\\s*)#iu', '$1*', $html);
$html = preg_replace('#(\\s*)</(?:b|strong)\\b[^>]*>#iu', '*$1', $html);
$html = preg_replace('#<u\\b[^>]*>(\\s*)#iu', '$1_', $html);
$html = preg_replace('#(\\s*)</u\\b[^>]*>#iu', '_$1', $html);
// Remove <sub> and <sup> tags
$html = preg_replace('#<(/?)su[bp]\\b([^>]*)>#iu', '<$1span$2>', $html);
// Fill empty alt attributes with whitespace, clear src attributes
$html = preg_replace('#(<[^>]+\\balt=")"#iu', '$1 "', $html);
$html = preg_replace('#(<[^>]+\\bsrc=")(?:[^"]*)"#iu', '$1"', $html);
// Inline URLs
$html = preg_replace_callback('#<a\\b[^>]*\\shref="([^"]*)"[^>]*>(.*?)</a\\b[^>]*>#isu', array(__CLASS__, 'buildTextAnchor'), $html);
// Convert html-entities to UTF-8 for w3m
$html = str_replace(array('"', '<', '>', ''', '"', '<', '>', "'"), array('&quot;', '&lt;', '&gt;', '&#039;', '"', '<', '>', '''), FILTER::get($html, 'text'));
$html = html_entity_decode($html, ENT_COMPAT, 'UTF-8');
$file = tempnam(PATCHWORK_ZCACHE, 'converter');
Patchwork::writeFile($file, $html);
$html = escapeshellarg($file);
$html = `w3m -dump -cols {$this->cols} -T text/html -I UTF-8 -O UTF-8 {$html}`;
$html = str_replace(self::$charMap[0], self::$charMap[1], $html);
$html = strtr($html, self::$textAnchor);
self::$textAnchor = array();
unlink($file);
return $html;
}
