function extractPages($url)
{
$dom = new DOMDocument();
$dom->loadHTMLFile($url);
download($url, BUILD_DIR . '/downloaded-pages/toc.html');
$h3s = nodes($dom, 'h3');
foreach ($h3s as $h3) {
$links = $h3->getElementsByTagName('a');
if ($links->length) {
$pages[] = (object) array('name' => $h3->textContent, 'url' => $links->item(0)->getAttribute('href'), 'sections' => extractSections($h3));
}
}
return $pages;
}
/**
* handles the arguments: section, sectionhead, lines, words, bytes,
* for UnfoldSubpages, IncludePage, ...
*/
function extractParts($c, $pagename, $args)
{
extract($args);
if ($section) {
if ($sections) {
$c = extractSection($section, $c, $pagename, $quiet, 1);
} else {
$c = extractSection($section, $c, $pagename, $quiet, $sectionhead);
}
}
if ($sections) {
$c = extractSections($sections, $c, $pagename, $quiet, 1);
}
if ($lines) {
$c = array_slice($c, 0, $lines);
$c[] = sprintf(_(" ... first %d lines"), $lines);
}
if ($words) {
$c = firstNWordsOfContent($words, $c);
}
if ($bytes) {
$ct = implode("\n", $c);
// one string
if (strlen($ct) > $bytes) {
$ct = substr($c, 0, $bytes);
$c = array($ct, sprintf(_(" ... first %d bytes"), $bytes));
}
}
$ct = implode("\n", $c);
// one string
return $ct;
}
