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+<?php
+/**
+ * link format functions
+ *
+ * @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
+ * @author Andreas Gohr <andi@splitbrain.org>
+ * @deprecated part of the XHTML renderer
+ */
+
+trigger_error('deprecated parser.php included');
+
+ if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../').'/');
+ require_once(DOKU_INC.'conf/dokuwiki.php');
+ require_once(DOKU_INC.'inc/common.php');
+
+
+/**
+ * Assembles all parts defined by the link formater below
+ * Returns HTML for the link
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function format_link_build($link){
+ //make sure the url is XHTML compliant (skip mailto)
+ if(substr($link['url'],0,7) != 'mailto:'){
+ $link['url'] = str_replace('&','&amp;',$link['url']);
+ $link['url'] = str_replace('&amp;amp;','&amp;',$link['url']);
+ }
+ //remove double encodings in titles
+ $link['title'] = str_replace('&amp;amp;','&amp;',$link['title']);
+
+ $ret = '';
+ $ret .= $link['pre'];
+ $ret .= '<a href="'.$link['url'].'"';
+ if($link['class']) $ret .= ' class="'.$link['class'].'"';
+ if($link['target']) $ret .= ' target="'.$link['target'].'"';
+ if($link['title']) $ret .= ' title="'.$link['title'].'"';
+ if($link['style']) $ret .= ' style="'.$link['style'].'"';
+ if($link['more']) $ret .= ' '.$link['more'];
+ $ret .= '>';
+ $ret .= $link['name'];
+ $ret .= '</a>';
+ $ret .= $link['suf'];
+ return $ret;
+}
+
+/**
+ * Link Formaters
+ *
+ * Each of these functions need to set
+ *
+ * $link['url'] URL to use in href=""
+ * $link['name'] HTML to enclose in <a> with proper special char encoding
+ * $link['class'] CSS class to set on link
+ * $link['target'] which target to use (blank) for current window
+ * $link['style'] Additonal style attribute set with style=""
+ * $link['title'] Title to set with title=""
+ * $link['pre'] HTML to prepend to link
+ * $link['suf'] HTML to append to link
+ * $link['more'] Additonal HTML to include into the anchortag
+ *
+ */
+
+/**
+ * format wiki links
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function format_link_wiki($link){
+ global $conf;
+ global $ID; //we use this to get the current namespace
+ //obvious setup
+ $link['target'] = $conf['target']['wiki'];
+ $link['style'] = '';
+ $link['pre'] = '';
+ $link['suf'] = '';
+ $link['more'] = 'onclick="return svchk()" onkeypress="return svchk()"';
+
+ $ns = getNS($ID);
+
+ //if links starts with . add current namespace
+ if(strpos($link['url'],'.')===0){
+ $link['url'] = $ns.':'.substr($link['url'],1);
+ }
+
+ //if link contains no namespace. add current namespace (if any)
+ if($ns !== false && strpos($link['url'],':') === false){
+ $link['url'] = $ns.':'.$link['url'];
+ }
+
+ //keep hashlink if exists
+ list($link['url'],$hash) = split('#',$link['url'],2);
+ $hash = cleanID($hash);
+
+ $file = wikiFN($link['url']);
+ $url = cleanID($link['url']);
+
+ //check alternative plural/nonplural form
+ if(!@file_exists($file) && $conf['autoplural']){
+ if(substr($url,-1) == 's'){
+ $try = substr($url,0,-1);
+ }else{
+ $try = $url.'s';
+ }
+ $tryfile = wikiFN($try);
+ if(@file_exists($tryfile)){
+ $file = $tryfile;
+ $url = $try;
+ }
+ }
+
+ //set class and name depending on file existence and content
+ if(@file_exists($file)){
+ $link['class']="wikilink1";
+ if ($conf['useheading'] && empty($link['name'])) {
+ $hl = getFirstHeading(io_readFile($file));
+ if ($hl) $link['name'] = $hl;
+ }
+ }else{
+ $link['class']="wikilink2";
+ }
+
+ //if no name set yet, use (unclean) link without namespace
+ if(empty($link['name'])){
+ if($conf['useslash']){
+ $nssep = '[:;/]';
+ }else{
+ $nssep = '[:;]';
+ }
+ $link['name'] = preg_replace('!.*'.$nssep.'!','',$link['url']);
+ }
+ $link['name'] = htmlspecialchars($link['name']);
+
+ //set title
+ $link['title'] = $url;
+
+ //construct the full link
+ $link['url'] = wl($url);
+
+ //add hash if exists
+ if($hash) $link['url'] .= '#'.$hash;
+
+ return $link;
+}
+
+/**
+ * format external URLs
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function format_link_externalurl($link){
+ global $conf;
+ //simple setup
+ $link['class'] = 'urlextern';
+ $link['target'] = $conf['target']['extern'];
+ $link['pre'] = '';
+ $link['suf'] = '';
+ $link['style'] = '';
+ $link['more'] = 'onclick="return svchk()" onkeypress="return svchk()"';
+ $link['url'] = $link['url']; //keep it
+ $link['title'] = htmlspecialchars($link['url']);
+ if(!$link['name']) $link['name'] = htmlspecialchars($link['url']);
+ if($conf['relnofollow']) $link['more'] .= ' rel="nofollow"';
+ //thats it :-)
+ return $link;
+}
+
+/**
+ * format windows share links
+ *
+ * this only works in IE :-(
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function format_link_windows($link){
+ global $conf;
+ global $lang;
+ //simple setup
+ $link['class'] = 'windows';
+ $link['target'] = $conf['target']['windows'];
+ $link['pre'] = '';
+ $link['suf'] = '';
+ $link['style'] = '';
+ //Display error on browsers other than IE
+ $link['more'] = 'onclick="if(document.all == null){alert(\''.htmlspecialchars($lang['nosmblinks'],ENT_QUOTES).'\');}" onkeypress="if(document.all == null){alert(\''.htmlspecialchars($lang['nosmblinks'],ENT_QUOTES).'\');}"';
+
+ if(!$link['name']) $link['name'] = htmlspecialchars($link['url']);
+ $link['title'] = htmlspecialchars($link['url']);
+ $link['url'] = str_replace('\\','/',$link['url']);
+ $link['url'] = 'file:///'.$link['url'];
+
+ return $link;
+}
+
+/**
+ * format email addresses
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function format_link_email($link){
+ global $conf;
+ //simple setup
+ $link['class'] = 'mail';
+ $link['target'] = '';
+ $link['pre'] = '';
+ $link['suf'] = '';
+ $link['style'] = '';
+ $link['more'] = '';
+
+ $link['name'] = htmlspecialchars($link['name']);
+
+ //shields up
+ if($conf['mailguard']=='visible'){
+ //the mail name gets some visible encoding
+ $link['url'] = str_replace('@',' [at] ',$link['url']);
+ $link['url'] = str_replace('.',' [dot] ',$link['url']);
+ $link['url'] = str_replace('-',' [dash] ',$link['url']);
+ }elseif($conf['mailguard']=='hex'){
+ for ($x=0; $x < strlen($link['url']); $x++) {
+ $encode .= '&#x' . bin2hex($link['url'][$x]).';';
+ }
+ $link['url'] = $encode;
+ }
+
+ $link['title'] = $link['url'];
+ if(!$link['name']) $link['name'] = $link['url'];
+ $link['url'] = 'mailto:'.$link['url'];
+
+ return $link;
+}
+
+/**
+ * format interwiki links
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function format_link_interwiki($link){
+ global $conf;
+
+ //obvious ones
+ $link['class'] = 'interwiki';
+ $link['target'] = $conf['target']['interwiki'];
+ $link['pre'] = '';
+ $link['suf'] = '';
+ $link['more'] = 'onclick="return svchk()" onkeypress="return svchk()"';
+
+ //get interwiki short name
+ list($wiki,$link['url']) = split('>',$link['url'],2);
+ $wiki = strtolower(trim($wiki)); //always use lowercase
+ $link['url'] = trim($link['url']);
+ if(!$link['name']) $link['name'] = $link['url'];
+
+ //encode special chars
+ $link['name'] = htmlspecialchars($link['name']);
+
+ //set default to google
+ $url = 'http://www.google.com/search?q=';
+ $ico = 'google';
+
+ // Initialize as NULL - for the first fn call
+ static $iwlinks = NULL;
+
+ // load interwikilinks if needed
+ if (!$iwlinks) $iwlinks = file('conf/interwiki.conf');
+
+ //add special case 'this'
+ $iwlinks[] = 'this '.DOKU_URL.'{NAME}';
+
+ //go through iwlinks and find URL for wiki
+ foreach ($iwlinks as $line){
+ $line = preg_replace('/#.*/','',$line); //skip comments
+ $line = trim($line);
+ list($iw,$iwurl) = preg_split('/\s+/',$line);
+ if(!$iw or !$iwurl) continue; //skip broken or empty lines
+ //check for match
+ if(strtolower($iw) == $wiki){
+ $ico = $wiki;
+ $url = $iwurl;
+ break;
+ }
+ }
+
+ //if ico exists set additonal style
+ if(@file_exists('interwiki/'.$ico.'.png')){
+ $link['style']='background: transparent url('.DOKU_BASE.'interwiki/'.$ico.'.png) 0px 1px no-repeat;';
+ }elseif(@file_exists('interwiki/'.$ico.'.gif')){
+ $link['style']='background: transparent url('.DOKU_BASE.'interwiki/'.$ico.'.gif) 0px 1px no-repeat;';
+ }
+
+ //do we stay at the same server? Use local target
+ if( strpos($url,DOKU_URL) === 0 ){
+ $link['target'] = $conf['target']['wiki'];
+ }
+
+ //replace placeholder
+ if(preg_match('#\{(URL|NAME|SCHEME|HOST|PORT|PATH|QUERY)\}#',$url)){
+ //use placeholders
+ $url = str_replace('{URL}',urlencode($link['url']),$url);
+ $url = str_replace('{NAME}',$link['url'],$url);
+ $parsed = parse_url($link['url']);
+ if(!$parsed['port']) $parsed['port'] = 80;
+ $url = str_replace('{SCHEME}',$parsed['scheme'],$url);
+ $url = str_replace('{HOST}',$parsed['host'],$url);
+ $url = str_replace('{PORT}',$parsed['port'],$url);
+ $url = str_replace('{PATH}',$parsed['path'],$url);
+ $url = str_replace('{QUERY}',$parsed['query'],$url);
+ $link['url'] = $url;
+ }else{
+ //default
+ $link['url'] = $url.urlencode($link['url']);
+ }
+
+ $link['title'] = htmlspecialchars($link['url']);
+
+ //done :-)
+ return $link;
+}
+
+/**
+ * format embedded media
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function format_link_media($link){
+ global $conf;
+ global $ID;
+
+ $link['class'] = 'media';
+ $link['style'] = '';
+ $link['pre'] = '';
+ $link['suf'] = '';
+ $link['more'] = 'onclick="return svchk()" onkeypress="return svchk()"';
+ $class = 'media';
+
+ list($link['name'],$title) = split('\|',$link['name'],2);
+ $t = htmlspecialchars($title);
+
+ //set alignment from spaces
+ if(substr($link['name'],0,1)==' ' && substr($link['name'],-1,1)==' '){
+ $link['pre'] = "</p>\n<div align=\"center\">";
+ $link['suf'] = "</div>\n<p>";
+ }elseif(substr($link['name'],0,1)==' '){
+ #$a = ' align="right"';
+ $class = 'mediaright';
+ }elseif(substr($link['name'],-1,1)==' '){
+ #$a = ' align="left"';
+ $class = 'medialeft';
+ }else{
+ $a = ' align="middle"';
+ }
+ $link['name'] = trim($link['name']);
+
+ //split into src and parameters (using the very last questionmark)
+ $pos = strrpos($link['name'], '?');
+ if($pos !== false){
+ $src = substr($link['name'],0,$pos);
+ $param = substr($link['name'],$pos+1);
+ }else{
+ $src = $link['name'];
+ $param = '';
+ }
+
+ //parse width and height
+ if(preg_match('#(\d+)(x(\d+))?#i',$param,$size)){
+ if($size[1]) $w = $size[1];
+ if($size[3]) $h = $size[3];
+ }
+
+ //namespace mangling for internal images
+ if(!preg_match('#^https?://#i',$src)){
+ $ns = getNS($ID);
+ //if src starts with . add current namespace
+ if(strpos($src,'.') === 0){
+ $src = $ns.':'.substr($src,1);
+ }
+ //if src contains no namespace add current namespace if any
+ if($ns !== false && strpos($src,':') === false ){
+ $src = $ns.':'.$src;
+ }
+ }
+
+ //check for nocache/recache param
+ preg_match('/(nocache|recache)/i',$param,$cachemode);
+
+ //do image caching, resizing and src rewriting
+ $cache = $src;
+ $isimg = img_cache($cache,$src,$w,$h,$cachemode[1]);
+
+ //set link to src if none given
+ if(!$link['url']){
+ $link['url'] = $src;
+ $link['target'] = $conf['target']['media'];
+ }
+
+ //prepare name
+ if($isimg){
+ $link['name'] = '<img src="'.$cache.'"';
+ if($w) $link['name'] .= ' width="'.$w.'"';
+ if($h) $link['name'] .= ' height="'.$h.'"';
+ if($t) $link['name'] .= ' title="'.$t.'"';
+ if($a) $link['name'] .= $a;
+ $link['name'] .= ' class="'.$class.'" border="0" alt="'.$t.'" />';
+ }else{
+ if($t){
+ $link['name'] = $t;
+ }else{
+ $link['name'] = basename($src);
+ }
+ }
+
+ return $link;
+}
+
+/**
+ * Build an URL list from a RSS feed
+ *
+ * Uses magpie
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function format_rss($url){
+ global $lang;
+ define('MAGPIE_CACHE_ON', false); //we do our own caching
+ define('MAGPIE_DIR', 'inc/magpie/');
+ define('MAGPIE_OUTPUT_ENCODING','UTF-8'); //return all feeds as UTF-8
+ require_once(MAGPIE_DIR.'/rss_fetch.inc');
+
+ //disable warning while fetching
+ $elvl = error_reporting(E_ERROR);
+ $rss = fetch_rss($url);
+ error_reporting($elvl);
+
+ $ret = '<ul class="rss">';
+ if($rss){
+ foreach ($rss->items as $item ) {
+ $link = array();
+ $link['url'] = $item['link'];
+ $link['name'] = $item['title'];
+ $link = format_link_externalurl($link);
+ $ret .= '<li>'.format_link_build($link).'</li>';
+ }
+ }else{
+ $link['url'] = $url;
+ $link = format_link_externalurl($link);
+ $ret .= '<li>';
+ $ret .= '<em>'.$lang['rssfailed'].'</em>';
+ $ret .= format_link_build($link);
+ $ret .= '</li>';
+ }
+ $ret .= '</ul>';
+ return $ret;
+}
+
+/**
+ * Create cache images
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function img_cache(&$csrc,&$src,&$w,&$h,$cachemode){
+ global $conf;
+
+ //container for various paths
+ $f['full']['web'] = $src;
+ $f['resz']['web'] = $src;
+ $f['full']['fs'] = $src;
+ $f['resz']['fs'] = $src;
+
+ //generate cachename
+ $md5 = md5($src);
+
+ //check if it is an image
+ if(preg_match('#\.(jpe?g|gif|png)$#i',$src,$match)){
+ $ext = strtolower($match[1]);
+ $isimg = true;
+ }
+
+ //check if it is external or a local mediafile
+ if(preg_match('#^([a-z0-9]+?)://#i',$src)){
+ $isurl = true;
+ }else{
+ $src = str_replace(':','/',$src);
+ $src = utf8_encodeFN($src);
+ $f['full']['web'] = $conf['mediaweb'].'/'.$src;
+ $f['resz']['web'] = $conf['mediaweb'].'/'.$src;
+ $f['full']['fs'] = $conf['mediadir'].'/'.$src;
+ $f['resz']['fs'] = $conf['mediadir'].'/'.$src;
+ }
+
+ //download external images if allowed
+ if($isurl && $isimg && $cachemode != 'nocache'){
+ $cache = $conf['mediadir']."/_cache/$md5.$ext";
+ if ( ($cachemode == 'recache' && io_download($src,$cache)) ||
+ @file_exists($cache) || io_download($src,$cache)){
+ $f['full']['web'] = $conf['mediaweb']."/_cache/$md5.$ext";
+ $f['resz']['web'] = $conf['mediaweb']."/_cache/$md5.$ext";
+ $f['full']['fs'] = $conf['mediadir']."/_cache/$md5.$ext";
+ $f['resz']['fs'] = $conf['mediadir']."/_cache/$md5.$ext";
+ $isurl = false;
+ }
+ }
+
+ //for local images (cached or media) do resizing
+ if($isimg && (!$isurl)){
+ if($w){
+ $info = getImageSize($f['full']['fs']);
+ //if $h not given calcualte it with correct aspect ratio
+ if(!$h){
+ $h = round(($w * $info[1]) / $info[0]);
+ }
+ $cache = $conf['mediadir'].'/_cache/'.$md5.'.'.$w.'x'.$h.'.'.$ext;
+ //delete outdated cachefile
+ if(@file_exists($cache) && (filemtime($cache)<filemtime($f['full']['fs']))){
+ unlink($cache);
+ }
+ //check if a resized cachecopy exists else create one
+ if(@file_exists($cache) || img_resize($ext,$f['full']['fs'],$info[0],$info[1],$cache,$w,$h)){
+ $f['resz']['web'] = $conf['mediaweb'].'/_cache/'.$md5.'.'.$w.'x'.$h.'.'.$ext;
+ $f['resz']['fs'] = $conf['mediadir'].'/_cache/'.$md5.'.'.$w.'x'.$h.'.'.$ext;
+ }
+ }else{
+ //if no new size was given just return the img size
+ $info = getImageSize($f['full']['fs']);
+ $w = $info[0];
+ $h = $info[1];
+ }
+ //urlencode (yes! secondtime! with force!)
+ $f['full']['web'] = utf8_encodeFN($f['full']['web'],false);
+ $f['resz']['web'] = utf8_encodeFN($f['resz']['web'],false);
+ }
+
+ //set srcs
+ $src = $f['full']['web'];
+ $csrc = $f['resz']['web'];
+ return $isimg;
+}
+
+/**
+ * resize images
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function img_resize($ext,$from,$from_w,$from_h,$to,$to_w,$to_h){
+ global $conf;
+
+ if($conf['gdlib'] < 1) return false; //no GDlib available or wanted
+
+ // create an image of the given filetype
+ if ($ext == 'jpg' || $ext == 'jpeg'){
+ if(!function_exists("imagecreatefromjpeg")) return false;
+ $image = @imagecreateFromjpeg($from);
+ }elseif($ext == 'png') {
+ if(!function_exists("imagecreatefrompng")) return false;
+ $image = @imagecreatefrompng($from);
+ }elseif($ext == 'gif') {
+ if(!function_exists("imagecreatefromgif")) return false;
+ $image = @imagecreatefromgif($from);
+ }
+ if(!$image) return false;
+
+ if(($conf['gdlib']>1) && function_exists("imagecreatetruecolor")){
+ $newimg = @imagecreatetruecolor ($to_w, $to_h);
+ }
+ if(!$newimg) $newimg = @imagecreate($to_w, $to_h);
+ if(!$newimg) return false;
+
+ // create cachedir
+ io_makeFileDir($to);
+
+ //try resampling first
+ if(function_exists("imagecopyresampled")){
+ if(!@imagecopyresampled($newimg, $image, 0, 0, 0, 0, $to_w, $to_h, $from_w, $from_h)) {
+ imagecopyresized($newimg, $image, 0, 0, 0, 0, $to_w, $to_h, $from_w, $from_h);
+ }
+ }else{
+ imagecopyresized($newimg, $image, 0, 0, 0, 0, $to_w, $to_h, $from_w, $from_h);
+ }
+
+ if ($ext == 'jpg' || $ext == 'jpeg'){
+ if(!function_exists("imagejpeg")) return false;
+ return imagejpeg($newimg, $to, 70);
+ }elseif($ext == 'png') {
+ if(!function_exists("imagepng")) return false;
+ return imagepng($newimg, $to);
+ }elseif($ext == 'gif') {
+ if(!function_exists("imagegif")) return false;
+ return imagegif($newimg, $to);
+ }
+
+ return false;
+}
+
+
+//Setup VIM: ex: et ts=2 enc=utf-8 :
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-10 18:16:18 +0000