13d491f75SAndreas Gohr<?php 23d491f75SAndreas Gohr/** 33d491f75SAndreas Gohr * A simple renderer that allows downloading of code and file snippets 43d491f75SAndreas Gohr * 53d491f75SAndreas Gohr * @author Andreas Gohr <andi@splitbrain.org> 63d491f75SAndreas Gohr */ 73d491f75SAndreas Gohrif(!defined('DOKU_INC')) die('meh.'); 83d491f75SAndreas Gohr 93d491f75SAndreas Gohrclass Doku_Renderer_code extends Doku_Renderer { 103d491f75SAndreas Gohr var $_codeblock = 0; 113d491f75SAndreas Gohr 123d491f75SAndreas Gohr /** 133d491f75SAndreas Gohr * Send the wanted code block to the browser 143d491f75SAndreas Gohr * 153d491f75SAndreas Gohr * When the correct block was found it exits the script. 16f50a239bSTakamura * 17f50a239bSTakamura * @param string $text 18f50a239bSTakamura * @param string $language 19f50a239bSTakamura * @param string $filename 203d491f75SAndreas Gohr */ 210ea51e63SMatt Perry function code($text, $language = null, $filename = '') { 22f0859d4bSTom N Harris global $INPUT; 233d491f75SAndreas Gohr if(!$language) $language = 'txt'; 24*56bd9509SPhy $language = preg_replace(PREG_PATTERN_VALID_LANGUAGE, '', $language); 253d491f75SAndreas Gohr if(!$filename) $filename = 'snippet.'.$language; 263009a773SAndreas Gohr $filename = utf8_basename($filename); 272d3f0c16SAndreas Gohr $filename = utf8_stripspecials($filename, '_'); 283d491f75SAndreas Gohr 29ece4159bSAndreas Gohr // send CRLF to Windows clients 30ece4159bSAndreas Gohr if(strpos($INPUT->server->str('HTTP_USER_AGENT'), 'Windows') !== false) { 31ece4159bSAndreas Gohr $text = str_replace("\n", "\r\n", $text); 32ece4159bSAndreas Gohr } 33ece4159bSAndreas Gohr 34f0859d4bSTom N Harris if($this->_codeblock == $INPUT->str('codeblock')) { 353d491f75SAndreas Gohr header("Content-Type: text/plain; charset=utf-8"); 363d491f75SAndreas Gohr header("Content-Disposition: attachment; filename=$filename"); 373d491f75SAndreas Gohr header("X-Robots-Tag: noindex"); 383d491f75SAndreas Gohr echo trim($text, "\r\n"); 393d491f75SAndreas Gohr exit; 403d491f75SAndreas Gohr } 413d491f75SAndreas Gohr 423d491f75SAndreas Gohr $this->_codeblock++; 433d491f75SAndreas Gohr } 443d491f75SAndreas Gohr 453d491f75SAndreas Gohr /** 463d491f75SAndreas Gohr * Wraps around code() 47f50a239bSTakamura * 48f50a239bSTakamura * @param string $text 49f50a239bSTakamura * @param string $language 50f50a239bSTakamura * @param string $filename 513d491f75SAndreas Gohr */ 520ea51e63SMatt Perry function file($text, $language = null, $filename = '') { 53f9d4952bSAndreas Gohr $this->code($text, $language, $filename); 543d491f75SAndreas Gohr } 553d491f75SAndreas Gohr 563d491f75SAndreas Gohr /** 573d491f75SAndreas Gohr * This should never be reached, if it is send a 404 583d491f75SAndreas Gohr */ 593d491f75SAndreas Gohr function document_end() { 609d2e1be6SAndreas Gohr http_status(404); 613d491f75SAndreas Gohr echo '404 - Not found'; 623d491f75SAndreas Gohr exit; 633d491f75SAndreas Gohr } 643d491f75SAndreas Gohr 653d491f75SAndreas Gohr /** 663d491f75SAndreas Gohr * Return the format of the renderer 673d491f75SAndreas Gohr * 683d491f75SAndreas Gohr * @returns string 'code' 693d491f75SAndreas Gohr */ 703d491f75SAndreas Gohr function getFormat() { 713d491f75SAndreas Gohr return 'code'; 723d491f75SAndreas Gohr } 733d491f75SAndreas Gohr} 74