inc/parser/code.php

   1 <?php
   2 /**
   3  * A simple renderer that allows downloading of code and file snippets
   4  *
   5  * @author Andreas Gohr <andi@splitbrain.org>
   6  */
   7 if(!defined('DOKU_INC')) die('meh.');
   8 require_once DOKU_INC . 'inc/parser/renderer.php';
   9
  10 class Doku_Renderer_code extends Doku_Renderer {
  11     var $_codeblock=0;
  12
  13     /**
  14      * Send the wanted code block to the browser
  15      *
  16      * When the correct block was found it exits the script.
  17      */
  18     function code($text, $language = NULL, $filename='' ) {
  19         if(!$language) $language = 'txt';
  20         if(!$filename) $filename = 'snippet.'.$language;
  21         $filename = basename($filename);
  22
  23         if($this->_codeblock == $_REQUEST['codeblock']){
  24             header("Content-Type: text/plain; charset=utf-8");
  25             header("Content-Disposition: attachment; filename=$filename");
  26             header("X-Robots-Tag: noindex");
  27             echo trim($text,"\r\n");
  28             exit;
  29         }
  30
  31         $this->_codeblock++;
  32     }
  33
  34     /**
  35      * Wraps around code()
  36      */
  37     function file($text, $language = NULL, $filename='') {
  38         $this->code($text, $language, $filename);
  39     }
  40
  41     /**
  42      * This should never be reached, if it is send a 404
  43      */
  44     function document_end() {
  45         header("HTTP/1.0 404 Not Found");
  46         echo '404 - Not found';
  47         exit;
  48     }
  49
  50     /**
  51      * Return the format of the renderer
  52      *
  53      * @returns string 'code'
  54      */
  55     function getFormat(){
  56         return 'code';
  57     }
  58 }