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Spoiler filter

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git-svn-id: file:///home/shish/svn/shimmie2/trunk@287 7f39781d-f577-437e-ae19-be835c7a54ca
This commit is contained in:
shish 2007-07-16 07:25:53 +00:00
parent 11a7e6dca4
commit c8186776a4
1 changed files with 37 additions and 0 deletions
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37
contrib/spoiler/main.php Normal file
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<?php
/**
* Name: Spoiler Filter
* Author: Shish <webmaster@shishnet.org>
* Link: http://trac.shishnet.org/shimmie2/
* License: GPLv2
* Description: Adds a [spoiler] tag to rot13 text inside it
*/
class Spoiler extends Extension {
public function receive_event($event) {
if(is_a($event, 'TextFormattingEvent')) {
$event->formatted = $this->filter($event->formatted);
$event->stripped = $this->filter($event->stripped);
}
}
private function filter($text) {
$l1 = strlen("[spoiler]");
$l2 = strlen("[/spoiler]");
while(true) {
$start = strpos($text, "[spoiler]");
if($start === false) break;
$end = strpos($text, "[/spoiler]");
if($end === false) break;
$beginning = substr($text, 0, $start);
$middle = str_rot13(substr($text, $start+$l1, ($end-$start-$l1)));
$ending = substr($text, $end + $l2, (strlen($text)-$end+$l2));
$text = $beginning . $middle . $ending;
}
return $text;
}
}
add_event_listener(new Spoiler(), 45); // before bbcode, so before <br>s are inserted
?>