/**
* Parse special Navigate CMS tags like:
* <ul>
* <li><nv object="include" file="" id="" /></li>
* <li>curly bracket tags {{nv object=""}}</li>
* </ul>
*
* Generate the final HTML code for these special tags or convert them
* to a simpler nv tags.
*
* @param $html
* @return mixed
*/
function nvweb_template_parse_special($html)
{
global $website;
global $current;
// find <pre> and <code> tags, save its contents and leave a placeholder to restore the content later
$tags_pre = nvweb_tags_extract($html, 'pre', false, true, 'UTF-8');
for ($t = count($tags_pre); $t--; $t >= 0) {
$tag = $tags_pre[$t];
if (empty($tag)) {
continue;
}
$tag_uid = uniqid('nv-tags-pre-');
$current['delayed_tags_pre'][$tag_uid] = $tag['full_tag'];
$html = substr_replace($html, '<!--#' . $tag_uid . '#-->', $tag['offset'], strlen($tag['full_tag']));
}
$tags_code = nvweb_tags_extract($html, 'code', false, true, 'UTF-8');
for ($t = count($tags_code); $t--; $t >= 0) {
$tag = $tags_code[$t];
if (empty($tag)) {
continue;
}
$tag_uid = uniqid('nv-tags-code-');
$current['delayed_tags_code'][$tag_uid] = $tag['full_tag'];
$html = substr_replace($html, '<!--#' . $tag_uid . '#-->', $tag['offset'], strlen($tag['full_tag']));
}
$changed = false;
// translate "{{nv object='list' " tags to "<nv object='list' " version
preg_match_all("/{{nv\\s object=[\"']list[\"'] ([^}]+)}}/ixsm", $html, $curly_tags);
for ($c = 0; $c < count($curly_tags[0]); $c++) {
if (stripos($curly_tags[0], 'object="list"')) {
$tmp = str_ireplace(array('{{nv object="list" ', '}}'), array('<nv object="list" ', '>'), $curly_tags[0][$c]);
$html = str_ireplace($curly_tags[0][$c], $tmp, $html);
} else {
$tmp = str_ireplace(array("{{nv object='list' ", '}}'), array('<nv object="list" ', '>'), $curly_tags[0][$c]);
$html = str_ireplace($curly_tags[0][$c], $tmp, $html);
}
$changed = true;
}
// translate "{{/nv}}" tags to "</nv>" version
$html = str_ireplace('{{/nv}}', '</nv>', $html);
// translate "{{nvlist_conditional }}" tags to "<nvlist_conditional >" version
preg_match_all("/{{nvlist_conditional \\s([^}]+)}}/ixsm", $html, $curly_tags);
for ($c = 0; $c < count($curly_tags[0]); $c++) {
$tmp = str_replace(array('{{nvlist_conditional ', '}}'), array('<nvlist_conditional ', '>'), $curly_tags[0][$c]);
$html = str_ireplace($curly_tags[0][$c], $tmp, $html);
$changed = true;
}
// translate "{{/nvlist_conditional}}" tags to "</nvlist_conditional>" version
$html = str_ireplace('{{/nvlist_conditional}}', '</nvlist_conditional>', $html);
// translate "{{nv }}" tags to "<nv />" version
preg_match_all("/{{nv\\s([^}]+)}}/ixsm", $html, $curly_tags);
for ($c = 0; $c < count($curly_tags[0]); $c++) {
$tmp = str_replace(array('{{nv ', '}}'), array('<nv ', ' />'), $curly_tags[0][$c]);
$html = str_ireplace($curly_tags[0][$c], $tmp, $html);
$changed = true;
}
// translate "{{nvlist }}" tags to "<nvlist />" version
preg_match_all("/{{nvlist\\s([^}]+)}}/ixsm", $html, $curly_tags);
for ($c = 0; $c < count($curly_tags[0]); $c++) {
$tmp = str_replace(array('{{nvlist ', '}}'), array('<nvlist ', ' />'), $curly_tags[0][$c]);
$html = str_ireplace($curly_tags[0][$c], $tmp, $html);
$changed = true;
}
if ($changed) {
return nvweb_template_parse_special($html);
}
// parse includes (we must do it before parsing list or search)
$tags = nvweb_tags_extract($html, 'nv', true, true, 'UTF-8');
foreach ($tags as $tag) {
$content = '';
$changed = false;
$tag['length'] = strlen($tag['full_tag']);
if ($tag['attributes']['object'] == 'include') {
$tid = $tag['attributes']['id'];
$file = $tag['attributes']['file'];
if (!empty($tid)) {
$template = new template();
$template->load($tid);
if ($template->website == $website->id) {
$content = file_get_contents(NAVIGATE_PRIVATE . '/' . $website->id . '/templates/' . $template->file);
}
} else {
if (!empty($file)) {
$content = file_get_contents(NAVIGATE_PATH . '/themes/' . $website->theme . '/' . $file);
}
}
$html = substr_replace($html, $content, $tag['offset'], $tag['length']);
$changed = true;
}
// if an object="include" has been found, we need to restart the parse_special tags function
// as it may contain other "includes" or "{{nv" tags that need transformation
if ($changed) {
$html = nvweb_template_parse_special($html);
break;
}
}
return $html;
}
$current['plugins_called'] = nvweb_plugins_called_in_template($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));