/**
* Display Table of Contents
*
* @access static
* @param string $page
* @param array $options
* @return string html
*/
function display_toc($page, $options)
{
$toc = new PluginSonotsToc($page, $options['cache']);
if ($options['include']) {
$toc->expand_includes();
}
$headlines = $toc->get_headlines();
if ($options['fromhere']) {
$fromhere = $toc->get_fromhere();
$offset = 0;
$headline = reset($headlines);
while (!($headline->page === $page && $headline->linenum > $fromhere)) {
++$offset;
if (($headline = next($headlines)) === false) {
break;
}
}
$headlines = sonots::array_slice($headlines, $offset, null, true);
}
if (isset($options['filter'])) {
sonots::grep_by($headlines, 'string', 'preg', '/' . str_replace('/', '\\/', $options['filter']) . '/');
}
if (isset($options['except'])) {
sonots::grep_by($headlines, 'string', 'preg', '/' . str_replace('/', '\\/', $options['except']) . '/', true);
// inverse
}
if (is_array($options['depth'])) {
// Do not use negative offsets
list($min, $max) = PluginSonotsOption::conv_interval($options['depth'], array(1, PHP_INT_MAX));
sonots::grep_by($headlines, 'depth', 'ge', $min);
sonots::grep_by($headlines, 'depth', 'le', $max);
}
if (is_array($options['num'])) {
list($offset, $length) = $options['num'];
$headlines = sonots::array_slice($headlines, $offset, $length, true);
}
if ($options['hierarchy']) {
if ($options['include'] && count($toc->get_includes()) >= 1) {
// depth of included page is 0, shift up
sonots::map_members($headlines, 'depth', create_function('$x', 'return $x+1;'));
}
if ($options['compact']) {
PluginSonotsToc::compact_depth($headlines);
}
} else {
sonots::init_members($headlines, 'depth', 1);
// flatten (to all 1)
}
$html = PluginSonotsToc::display_toc($headlines, 'contentsx', $options['link']);
return $html;
}
