1<?php 2/** 3 * A simple renderer that allows downloading of code and file snippets 4 * 5 * @author Andreas Gohr <andi@splitbrain.org> 6 */ 7if(!defined('DOKU_INC')) die('meh.'); 8require_once DOKU_INC . 'inc/parser/renderer.php'; 9 10class 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 global $INPUT; 20 if(!$language) $language = 'txt'; 21 if(!$filename) $filename = 'snippet.'.$language; 22 $filename = utf8_basename($filename); 23 $filename = utf8_stripspecials($filename, '_'); 24 25 if($this->_codeblock == $INPUT->str('codeblock')){ 26 header("Content-Type: text/plain; charset=utf-8"); 27 header("Content-Disposition: attachment; filename=$filename"); 28 header("X-Robots-Tag: noindex"); 29 echo trim($text,"\r\n"); 30 exit; 31 } 32 33 $this->_codeblock++; 34 } 35 36 /** 37 * Wraps around code() 38 */ 39 function file($text, $language = null, $filename='') { 40 $this->code($text, $language, $filename); 41 } 42 43 /** 44 * This should never be reached, if it is send a 404 45 */ 46 function document_end() { 47 http_status(404); 48 echo '404 - Not found'; 49 exit; 50 } 51 52 /** 53 * Return the format of the renderer 54 * 55 * @returns string 'code' 56 */ 57 function getFormat(){ 58 return 'code'; 59 } 60} 61