201 lines
11 KiB
PHP
201 lines
11 KiB
PHP
<?php
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if (IN_serendipity !== true) {
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die ("Don't hack!");
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}
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@serendipity_plugin_api::load_language(dirname(__FILE__));
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class serendipity_event_social extends serendipity_event {
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var $title = PLUGIN_EVENT_SOCIAL_NAME;
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function introspect(&$propbag) {
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global $serendipity;
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$propbag->add('name', PLUGIN_EVENT_SOCIAL_NAME);
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$propbag->add('description', PLUGIN_EVENT_SOCIAL_DESC);
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$propbag->add('stackable', false);
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$propbag->add('author', 'onli, Matthias Mees, Thomas Hochstein');
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$propbag->add('version', '0.12');
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$propbag->add('requirements', array(
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'serendipity' => '2.0'
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));
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$propbag->add('event_hooks', array('frontend_display:html:per_entry' => true,
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'css' => true,
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'frontend_footer' => true,
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'frontend_header' => true));
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$propbag->add('groups', array('FRONTEND_EXTERNAL_SERVICES'));
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$propbag->add('configuration', array('services', 'theme', 'overview', 'twitter_via', 'social_image', 'lang', 'backend'));
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}
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function generate_content(&$title) {
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$title = $this->title;
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}
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function introspect_config_item($name, &$propbag) {
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global $serendipity;
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switch($name) {
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case 'services':
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$propbag->add('type', 'multiselect');
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$propbag->add('name', PLUGIN_EVENT_SOCIAL_SERVICES);
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$propbag->add('description', PLUGIN_EVENT_SOCIAL_SERVICES_DESC);
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$propbag->add('default', 'twitter^facebook^googleplus');
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$propbag->add('select_values', array('twitter' => 'twitter', 'facebook' => 'facebook', 'googleplus' => 'googleplus', 'linkedin' => 'linkedin', 'pinterest' => 'pinterest', 'xing' => 'xing', 'whatsapp' => 'whatsapp', 'mail' => 'mail', 'info' => 'info', 'addthis' => 'addthis', 'tumblr' => 'tumblr', 'flattr' => 'flattr', 'diaspora' => 'diaspora', 'reddit' => 'reddit', 'stumbleupon' => 'stumbleupon', 'threema' => 'threema'));
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break;
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case 'theme':
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$propbag->add('type', 'select');
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$propbag->add('name', PLUGIN_EVENT_SOCIAL_THEME);
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$propbag->add('description', PLUGIN_EVENT_SOCIAL_THEME_DESC);
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$propbag->add('select_values', array('standard' => PLUGIN_EVENT_SOCIAL_THEME_STD, 'white' => PLUGIN_EVENT_SOCIAL_THEME_WHITE, 'grey' => PLUGIN_EVENT_SOCIAL_THEME_GREY));
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$propbag->add('default', 'standard');
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break;
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case 'overview':
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$propbag->add('type', 'boolean');
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$propbag->add('name', PLUGIN_EVENT_SOCIAL_OVERVIEW);
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$propbag->add('description', PLUGIN_EVENT_SOCIAL_OVERVIEW_DESC);
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$propbag->add('default', true);
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break;
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case 'twitter_via':
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$propbag->add('type', 'string');
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$propbag->add('name', PLUGIN_EVENT_SOCIAL_TWITTERVIA);
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$propbag->add('description', PLUGIN_EVENT_SOCIAL_TWITTERVIA_DESC);
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$propbag->add('default', 'none');
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break;
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case 'lang':
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$propbag->add('type', 'select');
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$propbag->add('name', INSTALL_LANG);
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$propbag->add('description', PLUGIN_EVENT_SOCIAL_LANG_DESC);
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$propbag->add('default', 'en');
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$propbag->add('select_values', array('bg' => 'bg', 'de' => 'de', 'en' => 'en', 'es' => 'es', 'fi' => 'fi', 'hr' => 'hr', 'hu' => 'hu', 'ja' => 'ja', 'ko' => 'ko', 'no' => 'no', 'pl' => 'pl', 'pt' => 'pt', 'ro' => 'ro', 'ru' => 'ru', 'sk' => 'sk', 'sl' => 'sl', 'sr' => 'sr', 'sv' => 'sv', 'tr' => 'tr', 'zh' => 'zh'));
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break;
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case 'backend':
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$propbag->add('type', 'string');
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$propbag->add('name', PLUGIN_EVENT_SOCIAL_BACKEND);
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$propbag->add('description', PLUGIN_EVENT_SOCIAL_BACKEND_DESC);
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$propbag->add('default', 'https://onli.columba.uberspace.de/s9y_shariff/');
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break;
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case 'social_image':
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$propbag->add('type', 'media');
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$propbag->add('name', PLUGIN_EVENT_SOCIAL_IMAGE);
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$propbag->add('description', PLUGIN_EVENT_SOCIAL_IMAGE_DESC);
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$propbag->add('default', '');
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break;
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}
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return true;
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}
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function event_hook($event, &$bag, &$eventData, $addData = null) {
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global $serendipity;
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$hooks = &$bag->get('event_hooks');
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if (isset($hooks[$event])) {
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switch($event) {
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case 'frontend_display:html:per_entry':
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if ($serendipity['view'] != 'entry') {
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if (! serendipity_db_bool($this->get_config('overview', true))) {
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// We are in overview mode and the user opted to not show the button
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return true;
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}
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// when sharing on the frontpage, at least the twitter button is using the page title instead of the entry title, so we set that manually
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$hardcoded_title = ' data-title="' . $eventData['title'] .'"';
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}
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$twitter_via = $this->get_config('twitter_via', 'none');
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if ($twitter_via != 'none') {
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$twitter_via_tag = ' data-twitter-via="' . str_replace('@', '', $twitter_via) .'"';
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}
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$backend = $this->get_config('backend', 'https://onli.columba.uberspace.de/s9y_shariff/');
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if ($backend != 'none') {
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$backend_tag = ' data-backend-url="' . $backend .'"';
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}
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$theme = $this->get_config('theme');
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$lang = $this->get_config('lang', 'en');
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$services = $this->get_config('services');
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$services = '"' . str_replace('^', '","', $services) . '"';
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if (strpos($services, 'info') !== false) {
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// the info button looks strange if not at the end, hardcode that position
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$services = str_replace(',"info"', '', $services) . ',"info"';
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}
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$eventData['display_dat'] = '<div class="shariff" data-url="' . $eventData['rdf_ident'] .'" data-services="[' . $services . ']" data-lang="' . $lang .'" data-theme="' . $theme . '" data-mail-url="mailto:foo@example.org"'. $hardcoded_title . $twitter_via_tag . $backend_tag . '></div>';
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break;
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case 'css':
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$eventData .= file_get_contents(dirname(__FILE__) . '/shariff.complete.css');
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break;
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case 'frontend_footer':
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// this script should go into the JS hook, but it has to be at the bottom to work, and the js hook places it at the top
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echo '<script src="' . $serendipity['serendipityHTTPPath'] . 'plugins/serendipity_event_social/shariff.min.js' . '"></script>';
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break;
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case 'frontend_header':
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if ($serendipity['view'] != 'entry') {
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return true;
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}
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// Facebook & Twitter can profit from having the og-properties set
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if (strpos($this->get_config('services'), 'facebook') !== false || strpos($this->get_config('services'), 'twitter') !== false) {
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// we iterate over the internal smarty object to see which entry we are printing. This is hacky and should be improved
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$entry = (current($eventData['smarty']->tpl_vars['entries']->value)['entries'][0]);
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$blogURL = 'http' . ($_SERVER['HTTPS'] ? 's' : '') . '://' . $_SERVER['HTTP_HOST'];
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echo '<!--serendipity_event_shariff-->' . "\n";
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echo '<meta name="twitter:card" content="summary" />' . "\n";
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echo '<meta property="og:title" content="' . serendipity_specialchars($entry['title']) . '" />' . "\n";
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# get desciption from serendipity_event_metadesc, if set; take first 200 chars from body otherwise
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$meta_description = strip_tags($GLOBALS['entry'][0]['properties']['meta_description']);
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if (empty($meta_description)) {
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# /\s+/: multiple newline and whitespaces
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$meta_description = trim(preg_replace('/\s+/', ' ', substr(strip_tags($entry['body']), 0, 200))) . '...';
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}
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echo '<meta property="og:description" content="' . serendipity_specialchars($meta_description) . '" />' . "\n";
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echo '<meta property="og:type" content="article" />' . "\n";
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echo '<meta property="og:site_name" content="' . $serendipity['blogTitle'] . '" />' . "\n";
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echo '<meta property="og:url" content="'. $blogURL . serendipity_specialchars($_SERVER['REQUEST_URI']) . '" />' . "\n";
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$social_image = $this->get_config('social_image', '');
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if (isset($entry['properties']) && isset($entry['properties']['timeline_image'])) {
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$social_image = $entry['properties']['timeline_image'];
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} else if (isset($entry['properties']) && isset($entry['properties']['ep_featuredImage'])) {
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$social_image = $entry['properties']['ep_featuredImage'];
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} else {
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// This is searching for the first image in an entry to use as facebook article image.
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// A better approach would be to register in the entry editor when an image was added
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if (preg_match_all('@<img.*src=["\'](.+)["\']@imsU', $entry['body'] . $entry['extended'], $images)) {
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foreach ($images[1] as $im) {
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if (strpos($im, '/emoticons/') === false) {
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$social_image = $im;
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break;
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}
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}
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}
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}
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if (! preg_match('/^http/i', $social_image)) {
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$social_image = $blogURL . $social_image;
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}
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if ($social_image != $blogURL && $social_image != $blogURL . 'none') {
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echo '<meta property="og:image" content="' . $social_image . '" />' . "\n";
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}
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}
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break;
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default:
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return false;
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}
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} else {
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return false;
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}
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}
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}
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/* vim: set sts=4 ts=4 expandtab : */
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?>
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