37         $helper = $this->loadHelper('fontello', false);
38         if ($helper === null || !$helper->hasActivePackage()) return;
40         $package = $helper->getPackageInfo();
51             'showInToc' => (bool) $helper->getConf('showInToc'),
65         $helper = $this->loadHelper('fontello', false);
66         if ($helper === null || !$helper->hasActivePackage()) return;
69             if (($link['href'] ?? '') === $helper->getCssUrl()) return;
75             'href' => $helper->getCssUrl(),
89         $helper = $this->loadHelper('fontello', false);
90         if ($helper === null || !is_array($event->data)) return;
95             $event->data[$index]['title'] = $this->filterTocTitle((string) $item['title'], $helper);
109         $helper = $this->loadHelper('fontello', false);
111             $helper === null ||
112             !$helper->hasActivePackage() ||
121         $event->data[1] = $this->replaceHeadingIconTokens($event->data[1], $helper);
122         $event->data[1] = $this->replaceLinkIconTokens($event->data[1], $helper);
123         $event->data[1] = $this->replaceCatlistIconTokens($event->data[1], $helper);
136         $helper = $this->loadHelper('fontello', false);
137         if ($helper === null || !$helper->hasActivePackage() || !is_string($event->data)) return;
141             function ($match) use ($helper) {
142                 return $this->replaceEscapedIconTokens($match[1], $helper, false);
158         $helper = $this->loadHelper('fontello', false);
159         if ($helper === null || !$helper->hasActivePackage()) return;
161         $icons = $helper->getActiveIcons();
222      * @param helper_plugin_fontello $helper
225     protected function replaceHeadingIconTokens($html, helper_plugin_fontello $helper)  argument
229             function ($match) use ($helper) {
231                     $this->replaceEscapedIconTokens($match[3], $helper, true) .
245      * @param helper_plugin_fontello $helper
248     protected function replaceLinkIconTokens($html, helper_plugin_fontello $helper)  argument
252             function ($match) use ($helper) {
254                     $this->replaceEscapedIconTokens($match[2], $helper, true) .
265      * @param helper_plugin_fontello $helper
268     protected function replaceCatlistIconTokens($html, helper_plugin_fontello $helper)  argument
276             function ($match) use ($helper) {
278                     $this->replaceEscapedIconTokens($match['body'], $helper, true) .
289      * @param helper_plugin_fontello $helper
292     protected function filterTocTitle($title, helper_plugin_fontello $helper)  argument
296             function ($match) use ($helper) {
297                 $token = $helper->parseIconToken($match[0]);
298                 if ($token === null || !$helper->iconTokenShowsInToc($token)) return '';
299                 if ($helper->renderIconXhtml($token['name']) === null) return $match[0];
312      * @param helper_plugin_fontello $helper
316 … protected function replaceEscapedIconTokens($html, helper_plugin_fontello $helper, $ignoreTocFlag)  argument
320             function ($match) use ($helper, $ignoreTocFlag) {
322                 $token = $helper->parseIconToken($raw);
324                 if (!$ignoreTocFlag && !$helper->iconTokenShowsInToc($token)) return '';
326                 return $helper->renderIconXhtml($token['name']) ?: $match[0];