/**
* Parse Navigate CMS tags like:
* <ul>
* <li><nv object="list"></nv></li>
* <li><nv object="search"></nv></li>
* <li><nv object="conditional"></nv></li>
* </ul>
*
* Generate the final HTML code for these special tags or convert them
* to a simpler nv tags.
*
* @param $html
* @return mixed
*/
function nvweb_template_parse_lists($html, $process_delayed = false)
{
global $current;
if ($process_delayed) {
// time to process delayed nvlists and nvsearches
foreach ($current['delayed_nvlists'] as $uid => $vars) {
$content = nvweb_list($vars);
$html = str_replace('<!--#' . $uid . '#-->', $content, $html);
}
foreach ($current['delayed_nvsearches'] as $uid => $vars) {
$content = nvweb_search($vars);
$html = str_replace('<!--#' . $uid . '#-->', $content, $html);
}
return $html;
}
// parse special navigate tags (includes, lists, searches...)
$tags = nvweb_tags_extract($html, 'nv', true, true, 'UTF-8');
foreach ($tags as $tag) {
$content = '';
$changed = false;
switch ($tag['attributes']['object']) {
case 'list':
$template_end = nvweb_templates_find_closing_list_tag($html, $tag['offset']);
$tag['length'] = $template_end - $tag['offset'] + strlen('</nv>');
// remove tag characters
$list = substr($html, $tag['offset'] + strlen($tag['full_tag']), $tag['length'] - strlen('</nv>') - strlen($tag['full_tag']));
@(include_once NAVIGATE_PATH . '/lib/webgets/list.php');
$vars = array_merge($tag['attributes'], array('template' => $list));
if ($tag['attributes']['delayed'] == 'true') {
$list_uid = uniqid('nvlist-');
$current['delayed_nvlists'][$list_uid] = $vars;
$html = substr_replace($html, '<!--#' . $list_uid . '#-->', $tag['offset'], $tag['length']);
$changed = true;
continue;
}
$content = nvweb_list($vars);
$html = substr_replace($html, $content, $tag['offset'], $tag['length']);
$changed = true;
break;
case 'search':
$template_end = nvweb_templates_find_closing_list_tag($html, $tag['offset']);
$tag['length'] = $template_end - $tag['offset'] + strlen('</nv>');
// remove tag characters
$search = substr($html, $tag['offset'] + strlen($tag['full_tag']), $tag['length'] - strlen('</nv>') - strlen($tag['full_tag']));
@(include_once NAVIGATE_PATH . '/lib/webgets/search.php');
$vars = array_merge($tag['attributes'], array('template' => $search));
if ($tag['attributes']['delayed'] == 'true') {
$search_uid = uniqid('nvsearch-');
$current['delayed_nvsearches'][$search_uid] = $vars;
$html = substr_replace($html, '<!--#' . $search_uid . '#-->', $tag['offset'], $tag['length']);
$changed = true;
continue;
}
$content = nvweb_search($vars);
$html = substr_replace($html, $content, $tag['offset'], $tag['length']);
$changed = true;
break;
case 'conditional':
$template_end = nvweb_templates_find_closing_list_tag($html, $tag['offset']);
$tag['length'] = $template_end - $tag['offset'] + strlen('</nv>');
// remove tag characters
$conditional = substr($html, $tag['offset'] + strlen($tag['full_tag']), $tag['length'] - strlen('</nv>') - strlen($tag['full_tag']));
@(include_once NAVIGATE_PATH . '/lib/webgets/conditional.php');
$vars = array_merge($tag['attributes'], array('_template' => $conditional));
$content = nvweb_conditional($vars);
$html = substr_replace($html, $content, $tag['offset'], $tag['length']);
$changed = true;
break;
}
if ($changed) {
// ok, we've found and processed ONE special tag
// now the HTML has changed, so the original positions of the special <nv> tags have also changed
// we must finish the current loop and start a new one
$html = nvweb_template_parse_lists($html);
break;
}
}
return $html;
}
$html = nvweb_plugins_event('before_parse', $html);
$html = nvweb_theme_settings($html);
$html = nvweb_template_parse_lists($html);
$html = nvweb_template_parse($html);
// if the content has added any nv tag, process them
if (strpos($html, '{{nv ') !== false || strpos($html, '<nv ')) {
$html = nvweb_template_parse_special($html);
$html = nvweb_template_parse_lists($html);
$html = nvweb_template_parse($html);
}
// if we have a delayed nv list we need to parse it now
if (!empty($current['delayed_nvlists']) || !empty($current['delayed_nvsearches'])) {
$html = nvweb_template_parse_lists($html, true);
if (strpos($html, '{{nv ') !== false || strpos($html, '<nv ')) {
$html = nvweb_template_parse_special($html);
$html = nvweb_template_parse_lists($html);
$html = nvweb_template_parse($html);
}
}
$html = nvweb_template_oembed_parse($html);
$html = nvweb_template_processes($html);
$end .= nvweb_after_body('php');
$end = nvweb_after_body('html');
$end .= nvweb_after_body('js');
$end .= "\n\n";
$end .= '</body>';
$html = str_replace('</body>', $end, $html);
$html = nvweb_template_tweaks($html);
$html = nvweb_template_restore_special($html);
$events->trigger('theme', 'after_parse', array('html' => &$html));
$html = nvweb_plugins_event('after_parse', $html);
