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.'); 8 9class Doku_Renderer_code extends Doku_Renderer { 10 var $_codeblock = 0; 11 12 /** 13 * Send the wanted code block to the browser 14 * 15 * When the correct block was found it exits the script. 16 */ 17 function code($text, $language = null, $filename = '') { 18 global $INPUT; 19 if(!$language) $language = 'txt'; 20 if(!$filename) $filename = 'snippet.'.$language; 21 $filename = utf8_basename($filename); 22 $filename = utf8_stripspecials($filename, '_'); 23 24 if($this->_codeblock == $INPUT->str('codeblock')) { 25 header("Content-Type: text/plain; charset=utf-8"); 26 header("Content-Disposition: attachment; filename=$filename"); 27 header("X-Robots-Tag: noindex"); 28 echo trim($text, "\r\n"); 29 exit; 30 } 31 32 $this->_codeblock++; 33 } 34 35 /** 36 * Wraps around code() 37 */ 38 function file($text, $language = null, $filename = '') { 39 $this->code($text, $language, $filename); 40 } 41 42 /** 43 * This should never be reached, if it is send a 404 44 */ 45 function document_end() { 46 http_status(404); 47 echo '404 - Not found'; 48 exit; 49 } 50 51 /** 52 * Return the format of the renderer 53 * 54 * @returns string 'code' 55 */ 56 function getFormat() { 57 return 'code'; 58 } 59} 60