1<?php
2
3require_once(realpath(dirname(__FILE__).'/../latexinc.php'));
4
5class syntax_plugin_latex_ddollar extends syntax_plugin_latex_common {
6   /**
7    * return some info
8    */
9    function getInfo(){
10		$a = parent::getInfo();
11		$a['name'] = '$$...$$ syntax for displayed LaTeX-math';
12		return $a;
13    }
14
15	// Sort in at medium priority.
16	function getSort(){return 300; }
17
18    function connectTo($mode) {
19      $this->Lexer->addEntryPattern('\$\$(?=.*\$\$)',$mode,'plugin_latex_ddollar');
20    }
21    function postConnect() { $this->Lexer->addExitPattern('\$\$','plugin_latex_ddollar'); }
22
23		function getPType(){return 'stack';}
24
25   /**
26    * Handle the match
27    */
28    function handle($match, $state, $pos, Doku_Handler $handler){
29	  if($state != DOKU_LEXER_UNMATCHED)
30		return array($match,$state,NULL);
31	  return array("$$".$match."$$",$state,'class'=>"latex_displayed", 'title'=>"Equation", NULL);
32    }
33 }
34