*/
if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../../').'/');
if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
require_once(DOKU_PLUGIN.'syntax.php');
class syntax_plugin_xfortune extends DokuWiki_Syntax_Plugin {
/**
* return some info
*/
function getInfo(){
return array(
'author' => 'Andreas Gohr',
'email' => 'andi@splitbrain.org',
'date' => '2008-01-25',
'name' => 'Fortune Plugin',
'desc' => 'Displays random fortune cookies using AJAX requests',
'url' => 'http://wiki.splitbrain.org/plugin:gallery',
);
}
/**
* What kind of syntax are we?
*/
function getType(){
return 'substition';
}
/**
* What about paragraphs?
*/
function getPType(){
return 'block';
}
/**
* Where to sort in?
*/
function getSort(){
return 302;
}
/**
* Connect pattern to lexer
*/
function connectTo($mode) {
$this->Lexer->addSpecialPattern('\{\{xfortune>[^}]*\}\}',$mode,'plugin_xfortune');
}
/**
* Handle the match
*/
function handle($match, $state, $pos, &$handler){
$match = substr($match,11,-2); //strip markup from start and end
$data = array();
//handle params
list($cookie,$params) = explode('?',$match,2);
//xfortune cookie file
$data['cookie'] = cleanID($cookie);
//time interval for changing cookies
if(preg_match('/\b(\d+)\b/i',$params,$match)){
$data['time'] = $match[1];
}else{
$data['time'] = 30;
}
//no hammering please!
if($data['time'] < 5) $data['time'] = 5;
return $data;
}
/**
* Create output
*/
function render($mode, &$renderer, $data) {
if($mode == 'xhtml'){
$renderer->doc .= '';
$renderer->doc .= $this->_getCookie($data['cookie']);
$renderer->doc .= '
';
$renderer->doc .= $this->_script($data['cookie'],$data['time']);
return true;
}
return false;
}
function _script($cookie,$time){
$str = '';
return $str;
}
/**
* Returns one random cookie
*
* @author Andreas Gohr
*/
function _getCookie($cookie){
$file = mediaFN($cookie);
if(!@file_exists($file)) return 'ERROR: cookie file not found';
$dim = filesize($file);
if($dim < 2) return "ERROR: invalid cookie file $file";
mt_srand( (double) microtime() * 1000000);
$rnd = mt_rand(0,$dim);
$fd = fopen($file, 'r');
if (!$fd) return "ERROR: reading cookie file $file failed";
// jump to random place in file
fseek($fd, $rnd);
$text = '';
$line = '';
$cookie = false;
$test = 0;
while(true){
$seek = ftell($fd);
$line = fgets($fd, 1024);
if($seek == 0){
// start of file always starts a cookie
$cookie = true;
if($line == "%\n"){
// ignore delimiter if exists
continue;
}else{
// part of the cookie
$text .= htmlspecialchars($line).'
';
continue;
}
}
if(feof($fd)){
if($cookie){
// we had a cookie already, stop here
break;
}else{
// no cookie yet, wrap around
fseek($fd,0);
continue;
}
}
if($line == "%\n"){
if($cookie){
// we had a cookie already, stop here
break;
}elseif($seek == $dim -2){
// it's the end of file delimiter, wrap around
fseek($fd,0);
continue;
}else{
// start of the cookie
$cookie = true;
continue;
}
}
// part of the cookie?
if($cookie){
$text .= htmlspecialchars($line).'
';
}
}
fclose($fd);
// if it is not valid UTF-8 assume it's latin1
if(!utf8_check($text)) return utf8_encode($text);
return $text;
}
}
//Setup VIM: ex: et ts=4 enc=utf-8 :