+// {{{
+
+function form_force_encodings($source, &$smarty)
+{
+ return preg_replace('/<form[^\w]/',
+ '\0 accept-charset="iso-8859-15 latin9 us-ascii ascii" ',
+ $source);
+}
+
+// }}}
+// {{{ function hide_emails
+
+function _hide_email($source)
+{
+ $source = str_replace("\n", '', $source);
+ return '<script type="text/javascript">//<![CDATA[' . "\n" .
+ 'Nix.decode("' . addslashes(str_rot13($source)) . '");' . "\n" .
+ '//]]></script>';
+}
+
+function hide_emails($source, &$smarty)
+{
+ fix_encoding($source);
+
+ //prevent email replacement in <script> and <textarea>
+ $tags = array('script', 'textarea', 'select');
+
+ foreach ($tags as $tag) {
+ preg_match_all("!<{$tag}[^>]+>.*?</{$tag}>!is", $source, ${$tag});
+ $source = preg_replace("!<{$tag}[^>]+>.*?</{$tag}>!is", "&&&{$tag}&&&", $source);
+ }
+
+ //catch all emails in <a href="mailto:...">
+ preg_match_all("!<a[^>]+href=[\"'][^\"']*[-a-z0-9+_.]+@[-a-z0-9_.]+[^\"']*[\"'][^>]*>.*?</a>!is", $source, $ahref);
+ $source = preg_replace("!<a[^>]+href=[\"'][^\"']*[-a-z0-9+_.]+@[-a-z0-9_.]+[^\"']*[\"'][^>]*>.*?</a>!is", '&&&ahref&&&', $source);
+
+ //prevant replacement in tag attributes
+ preg_match_all("!<[^>]+[-a-z0-9_+.]+@[-a-z0-9_.]+[^>]+>!is", $source, $misc);
+ $source = preg_replace("!<[^>]+[-a-z0-9_+.]+@[-a-z0-9_.]+[^>]+>!is", '&&&misc&&&', $source);
+
+ //catch !
+ $source = preg_replace('!([-a-z0-9_+.]+@[-a-z0-9_.]+)!ie', '_hide_email("\1")', $source);
+ $source = preg_replace('!&&&ahref&&&!e', '_hide_email(array_shift($ahref[0]))', $source);
+
+ // restore data
+ $source = preg_replace('!&&&misc&&&!e', 'array_shift($misc[0])', $source);
+ foreach ($tags as $tag) {
+ $source = preg_replace("!&&&{$tag}&&&!e", 'array_shift(${$tag}[0])', $source);
+ }
+
+ return $source;
+}
+
+// }}}