xref: /dokuwiki/inc/parser/xhtml.php (revision 36df6fa3069d55db3c35724c4f465bde9c50b53a) 
1<?php
2/**
3 * Renderer for XHTML output
4 *
5 * @author Harry Fuecks <hfuecks@gmail.com>
6 * @author Andreas Gohr <andi@splitbrain.org>
7 */
8
9if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../../').'/');
10
11if ( !defined('DOKU_LF') ) {
12    // Some whitespace to help View > Source
13    define ('DOKU_LF',"\n");
14}
15
16if ( !defined('DOKU_TAB') ) {
17    // Some whitespace to help View > Source
18    define ('DOKU_TAB',"\t");
19}
20
21require_once DOKU_INC . 'inc/parser/renderer.php';
22require_once DOKU_INC . 'inc/pluginutils.php';
23
24/**
25 * The Renderer
26 */
27class Doku_Renderer_xhtml extends Doku_Renderer {
28
29    var $doc = '';
30
31    var $headers = array();
32
33    var $footnotes = array();
34
35    var $acronyms = array();
36    var $smileys = array();
37    var $badwords = array();
38    var $entities = array();
39    var $interwiki = array();
40
41    var $lastsec = 0;
42
43    var $store = '';
44
45    function document_start() {
46    }
47
48    function document_end() {
49        // add button for last section if any and more than one
50        if($this->lastsec > 1) $this->_secedit($this->lastsec,'');
51
52        if ( count ($this->footnotes) > 0 ) {
53            $this->doc .= '<div class="footnotes">'.DOKU_LF;
54
55            $id = 0;
56            foreach ( $this->footnotes as $footnote ) {
57                $id++;   // the number of the current footnote
58
59                // check its not a placeholder that indicates actual footnote text is elsewhere
60                if (substr($footnote, 0, 5) != "@@FNT") {
61
62                    // open the footnote and set the anchor and backlink
63                    $this->doc .= '<div class="fn">';
64                    $this->doc .= '<a href="#fnt'.$id.'" id="fn'.$id.'" name="fn'.$id.'" class="fn_bot">';
65                    $this->doc .= $id.')</a> '.DOKU_LF;
66
67                    // get any other footnotes that use the same markup
68                    $alt = array_keys($this->footnotes, "@@FNT$id");
69
70                    if (count($alt)) {
71                      foreach ($alt as $ref) {
72                        // set anchor and backlink for the other footnotes
73                        $this->doc .= ', <a href="#fnt'.($ref+1).'" id="fn'.($ref+1).'" name="fn'.($ref+1).'" class="fn_bot">';
74                        $this->doc .= ($ref+1).')</a> '.DOKU_LF;
75                      }
76                    }
77
78                    // add footnote markup and close this footnote
79                    $this->doc .= $footnote;
80                    $this->doc .= '</div>' . DOKU_LF;
81                }
82            }
83            $this->doc .= '</div>'.DOKU_LF;
84        }
85    }
86
87    //handles plugin rendering
88    function plugin($name,$data){
89        $plugin =& plugin_load('syntax',$name);
90        if($plugin != null){
91            $plugin->render('xhtml',$this,$data);
92        }
93    }
94
95    function toc_open() {
96        global $lang;
97        $this->doc .= '<div class="toc">'.DOKU_LF;
98        $this->doc .= '<div class="tocheader">';
99        $this->doc .= ' <script type="text/javascript">showTocToggle("+","-")</script>';
100        $this->doc .= $lang['toc'];
101        $this->doc .= '</div>'.DOKU_LF;
102        $this->doc .= '<div id="tocinside">'.DOKU_LF;
103    }
104
105    function tocbranch_open($level) {
106        $this->doc .= '<ul class="toc">'.DOKU_LF;
107    }
108
109    function tocitem_open($level, $empty = FALSE) {
110        if ( !$empty ) {
111            $this->doc .= '<li class="level'.$level.'">';
112        } else {
113            $this->doc .= '<li class="clear">';
114        }
115    }
116
117    function tocelement($level, $title) {
118        $this->doc .= '<span class="li"><a href="#'.$this->_headerToLink($title).'" class="toc">';
119        $this->doc .= $this->_xmlEntities($title);
120        $this->doc .= '</a></span>';
121    }
122
123    function tocitem_close($level) {
124        $this->doc .= '</li>'.DOKU_LF;
125    }
126
127    function tocbranch_close($level) {
128        $this->doc .= '</ul>'.DOKU_LF;
129    }
130
131    function toc_close() {
132        $this->doc .= '</div>'.DOKU_LF.'</div>'.DOKU_LF;
133    }
134
135    function header($text, $level, $pos) {
136        global $conf;
137        //handle section editing
138        if($level <= $conf['maxseclevel']){
139            // add button for last section if any
140            if($this->lastsec) $this->_secedit($this->lastsec,$pos-1);
141            // remember current position
142            $this->lastsec = $pos;
143        }
144
145        $this->doc .= DOKU_LF.'<a name="'.$this->_headerToLink($text).'"></a><h'.$level.'>';
146        $this->doc .= $this->_xmlEntities($text);
147        $this->doc .= "</h$level>".DOKU_LF;
148    }
149
150    function section_open($level) {
151        $this->doc .= "<div class=\"level$level\">".DOKU_LF;
152    }
153
154    function section_close() {
155        $this->doc .= DOKU_LF.'</div>'.DOKU_LF;
156    }
157
158    function cdata($text) {
159        $this->doc .= $this->_xmlEntities($text);
160    }
161
162    function p_open() {
163        $this->doc .= DOKU_LF.'<p>'.DOKU_LF;
164    }
165
166    function p_close() {
167        $this->doc .= DOKU_LF.'</p>'.DOKU_LF;
168    }
169
170    function linebreak() {
171        $this->doc .= '<br/>'.DOKU_LF;
172    }
173
174    function hr() {
175        $this->doc .= '<hr noshade="noshade" size="1" />'.DOKU_LF;
176    }
177
178    function strong_open() {
179        $this->doc .= '<strong>';
180    }
181
182    function strong_close() {
183        $this->doc .= '</strong>';
184    }
185
186    function emphasis_open() {
187        $this->doc .= '<em>';
188    }
189
190    function emphasis_close() {
191        $this->doc .= '</em>';
192    }
193
194    function underline_open() {
195        $this->doc .= '<u>';
196    }
197
198    function underline_close() {
199        $this->doc .= '</u>';
200    }
201
202    function monospace_open() {
203        $this->doc .= '<code>';
204    }
205
206    function monospace_close() {
207        $this->doc .= '</code>';
208    }
209
210    function subscript_open() {
211        $this->doc .= '<sub>';
212    }
213
214    function subscript_close() {
215        $this->doc .= '</sub>';
216    }
217
218    function superscript_open() {
219        $this->doc .= '<sup>';
220    }
221
222    function superscript_close() {
223        $this->doc .= '</sup>';
224    }
225
226    function deleted_open() {
227        $this->doc .= '<del>';
228    }
229
230    function deleted_close() {
231        $this->doc .= '</del>';
232    }
233
234    /**
235     * Callback for footnote start syntax
236     *
237     * All following content will go to the footnote instead of
238     * the document. To achieve this the previous rendered content
239     * is moved to $store and $doc is cleared
240     *
241     * @author Andreas Gohr <andi@splitbrain.org>
242     */
243    function footnote_open() {
244
245        // move current content to store and record footnote
246        $this->store = $this->doc;
247        $this->doc   = '';
248    }
249
250    /**
251     * Callback for footnote end syntax
252     *
253     * All rendered content is moved to the $footnotes array and the old
254     * content is restored from $store again
255     *
256     * @author Andreas Gohr
257     */
258    function footnote_close() {
259
260        // recover footnote into the stack and restore old content
261        $footnote = $this->doc;
262        $this->doc = $this->store;
263        $this->store = '';
264
265        // check to see if this footnote has been seen before
266        $i = array_search($footnote, $this->footnotes);
267
268        if ($i === false) {
269            // its a new footnote, add it to the $footnotes array
270            $id = count($this->footnotes)+1;
271            $this->footnotes[count($this->footnotes)] = $footnote;
272        } else {
273            // seen this one before, translate the index to an id and save a placeholder
274            $i++;
275            $id = count($this->footnotes)+1;
276            $this->footnotes[count($this->footnotes)] = "@@FNT".($i);
277        }
278
279        // output the footnote reference and link, incl. onmouseover for insitu footnote popup
280        $this->doc .= '<a href="#fn'.$id.'" name="fnt'.$id.'" class="fn_top" onmouseover="fnt(\''.$id.'\', this, event);">'.$id.')</a>';
281    }
282
283    function listu_open() {
284        $this->doc .= '<ul>'.DOKU_LF;
285    }
286
287    function listu_close() {
288        $this->doc .= '</ul>'.DOKU_LF;
289    }
290
291    function listo_open() {
292        $this->doc .= '<ol>'.DOKU_LF;
293    }
294
295    function listo_close() {
296        $this->doc .= '</ol>'.DOKU_LF;
297    }
298
299    function listitem_open($level) {
300        $this->doc .= '<li class="level'.$level.'">';
301    }
302
303    function listitem_close() {
304        $this->doc .= '</li>'.DOKU_LF;
305    }
306
307    function listcontent_open() {
308        $this->doc .= '<div class="li">';
309    }
310
311    function listcontent_close() {
312        $this->doc .= '</div>'.DOKU_LF;
313    }
314
315    function unformatted($text) {
316        $this->doc .= $this->_xmlEntities($text);
317    }
318
319    /**
320     * Execute PHP code if allowed
321     *
322     * @author Andreas Gohr <andi@splitbrain.org>
323     */
324    function php($text) {
325        global $conf;
326        if($conf['phpok']){
327            ob_start();
328            eval($text);
329            $this->doc .= ob_get_contents();
330            ob_end_clean();
331        }else{
332            $this->file($text);
333        }
334    }
335
336    /**
337     * Insert HTML if allowed
338     *
339     * @author Andreas Gohr <andi@splitbrain.org>
340     */
341    function html($text) {
342        global $conf;
343        if($conf['htmlok']){
344          $this->doc .= $text;
345        }else{
346          $this->file($text);
347        }
348    }
349
350    function preformatted($text) {
351        $this->doc .= '<pre class="code">' . $this->_xmlEntities($text) . '</pre>'. DOKU_LF;
352    }
353
354    function file($text) {
355        $this->doc .= '<pre class="file">' . $this->_xmlEntities($text). '</pre>'. DOKU_LF;
356    }
357
358    function quote_open() {
359        $this->doc .= '<blockquote>'.DOKU_LF;
360    }
361
362    function quote_close() {
363        $this->doc .= '</blockquote>'.DOKU_LF;
364    }
365
366    /**
367     * Callback for code text
368     *
369     * Uses GeSHi to highlight language syntax
370     *
371     * @author Andreas Gohr <andi@splitbrain.org>
372     */
373    function code($text, $language = NULL) {
374        global $conf;
375
376        if ( is_null($language) ) {
377            $this->preformatted($text);
378        } else {
379            //strip leading blank line
380            $text = preg_replace('/^\s*?\n/','',$text);
381            // Handle with Geshi here
382            require_once(DOKU_INC . 'inc/geshi.php');
383            $geshi = new GeSHi($text, strtolower($language), DOKU_INC . 'inc/geshi');
384            $geshi->set_encoding('utf-8');
385            $geshi->enable_classes();
386            $geshi->set_header_type(GESHI_HEADER_PRE);
387            $geshi->set_overall_class("code $language");
388            $geshi->set_link_target($conf['target']['extern']);
389
390            $text = $geshi->parse_code();
391            $this->doc .= $text;
392        }
393    }
394
395    function acronym($acronym) {
396
397        if ( array_key_exists($acronym, $this->acronyms) ) {
398
399            $title = $this->_xmlEntities($this->acronyms[$acronym]);
400
401            $this->doc .= '<acronym title="'.$title
402                .'">'.$this->_xmlEntities($acronym).'</acronym>';
403
404        } else {
405            $this->doc .= $this->_xmlEntities($acronym);
406        }
407    }
408
409    function smiley($smiley) {
410        if ( array_key_exists($smiley, $this->smileys) ) {
411            $title = $this->_xmlEntities($this->smileys[$smiley]);
412            $this->doc .= '<img src="'.DOKU_BASE.'lib/images/smileys/'.$this->smileys[$smiley].
413                '" align="middle" alt="'.
414                    $this->_xmlEntities($smiley).'" />';
415        } else {
416            $this->doc .= $this->_xmlEntities($smiley);
417        }
418    }
419
420    /*
421    * not used
422    function wordblock($word) {
423        if ( array_key_exists($word, $this->badwords) ) {
424            $this->doc .= '** BLEEP **';
425        } else {
426            $this->doc .= $this->_xmlEntities($word);
427        }
428    }
429    */
430
431    function entity($entity) {
432        if ( array_key_exists($entity, $this->entities) ) {
433            $this->doc .= $this->entities[$entity];
434        } else {
435            $this->doc .= $this->_xmlEntities($entity);
436        }
437    }
438
439    function multiplyentity($x, $y) {
440        $this->doc .= "$x&times;$y";
441    }
442
443    function singlequoteopening() {
444        $this->doc .= "&lsquo;";
445    }
446
447    function singlequoteclosing() {
448        $this->doc .= "&rsquo;";
449    }
450
451    function doublequoteopening() {
452        $this->doc .= "&ldquo;";
453    }
454
455    function doublequoteclosing() {
456        $this->doc .= "&rdquo;";
457    }
458
459    /**
460    */
461    function camelcaselink($link) {
462      $this->internallink($link,$link);
463    }
464
465
466    function locallink($hash, $name = NULL){
467        global $ID;
468        $name  = $this->_getLinkTitle($name, $hash, $isImage);
469        $hash  = $this->_headerToLink($hash);
470        $title = $ID.' &crarr;';
471        $this->doc .= '<a href="#'.$hash.'" title="'.$title.'" class="wikilink1">';
472        $this->doc .= $name;
473        $this->doc .= '</a>';
474    }
475
476    /**
477     * Render an internal Wiki Link
478     *
479     * $search and $returnonly are not for the renderer but are used
480     * elsewhere - no need to implement them in other renderers
481     *
482     * @author Andreas Gohr <andi@splitbrain.org>
483     */
484    function internallink($id, $name = NULL, $search=NULL,$returnonly=false) {
485        global $conf;
486        global $ID;
487        // default name is based on $id as given
488        $default = $this->_simpleTitle($id);
489        // now first resolve and clean up the $id
490        resolve_pageid(getNS($ID),$id,$exists);
491        $name = $this->_getLinkTitle($name, $default, $isImage, $id);
492        if ( !$isImage ) {
493            if ( $exists ) {
494                $class='wikilink1';
495            } else {
496                $class='wikilink2';
497            }
498        } else {
499            $class='media';
500        }
501
502        //keep hash anchor
503        list($id,$hash) = split('#',$id,2);
504
505        //prepare for formating
506        $link['target'] = $conf['target']['wiki'];
507        $link['style']  = '';
508        $link['pre']    = '';
509        $link['suf']    = '';
510        // highlight link to current page
511        if ($id == $ID) {
512            $link['pre']    = '<span class="curid">';
513            $link['suf']    = '</span>';
514        }
515        $link['more']   = 'onclick="return svchk()" onkeypress="return svchk()"';
516        $link['class']  = $class;
517        $link['url']    = wl($id);
518        $link['name']   = $name;
519        $link['title']  = $id;
520        //add search string
521        if($search){
522            ($conf['userewrite']) ? $link['url'].='?s=' : $link['url'].='&amp;s=';
523            $link['url'] .= urlencode($search);
524        }
525
526        //keep hash
527        if($hash) $link['url'].='#'.$hash;
528
529        //output formatted
530        if($returnonly){
531            return $this->_formatLink($link);
532        }else{
533            $this->doc .= $this->_formatLink($link);
534        }
535    }
536
537    function externallink($url, $name = NULL) {
538        global $conf;
539
540        $name = $this->_getLinkTitle($name, $url, $isImage);
541
542        // add protocol on simple short URLs
543        if(substr($url,0,3) == 'ftp' && (substr($url,0,6) != 'ftp://')) $url = 'ftp://'.$url;
544        if(substr($url,0,3) == 'www') $url = 'http://'.$url;
545
546        if ( !$isImage ) {
547            $class='urlextern';
548        } else {
549            $class='media';
550        }
551
552        //prepare for formating
553        $link['target'] = $conf['target']['extern'];
554        $link['style']  = '';
555        $link['pre']    = '';
556        $link['suf']    = '';
557        $link['more']   = 'onclick="return svchk()" onkeypress="return svchk()"';
558        $link['class']  = $class;
559        $link['url']    = $url;
560        $link['name']   = $name;
561        $link['title']  = $this->_xmlEntities($url);
562        if($conf['relnofollow']) $link['more'] .= ' rel="nofollow"';
563
564        //output formatted
565        $this->doc .= $this->_formatLink($link);
566    }
567
568    /**
569    */
570    function interwikilink($match, $name = NULL, $wikiName, $wikiUri) {
571        global $conf;
572
573        $link = array();
574        $link['target'] = $conf['target']['interwiki'];
575        $link['pre']    = '';
576        $link['suf']    = '';
577        $link['more']   = 'onclick="return svchk()" onkeypress="return svchk()"';
578        $link['name']   = $this->_getLinkTitle($name, $wikiUri, $isImage);
579
580        if ( !$isImage ) {
581            $link['class'] = 'interwiki';
582        } else {
583            $link['class'] = 'media';
584        }
585
586        //get interwiki URL
587        if ( isset($this->interwiki[$wikiName]) ) {
588            $url = $this->interwiki[$wikiName];
589        } else {
590            // Default to Google I'm feeling lucky
591            $url = 'http://www.google.com/search?q={URL}&amp;btnI=lucky';
592            $wikiName = 'go';
593        }
594
595        if(!$isImage){
596            //if ico exists set additional style
597            if(@file_exists(DOKU_INC.'lib/images/interwiki/'.$wikiName.'.png')){
598                $link['style']='background-image: url('.DOKU_BASE.'lib/images/interwiki/'.$wikiName.'.png)';
599            }elseif(@file_exists(DOKU_INC.'lib/images/interwiki/'.$wikiName.'.gif')){
600                $link['style']='background-image: url('.DOKU_BASE.'lib/images/interwiki/'.$wikiName.'.gif)';
601            }
602        }
603
604        //do we stay at the same server? Use local target
605        if( strpos($url,DOKU_URL) === 0 ){
606            $link['target'] = $conf['target']['wiki'];
607        }
608
609        //replace placeholder
610        if(preg_match('#\{(URL|NAME|SCHEME|HOST|PORT|PATH|QUERY)\}#',$url)){
611            //use placeholders
612            $url = str_replace('{URL}',urlencode($wikiUri),$url);
613            $url = str_replace('{NAME}',$wikiUri,$url);
614            $parsed = parse_url($wikiUri);
615            if(!$parsed['port']) $parsed['port'] = 80;
616            $url = str_replace('{SCHEME}',$parsed['scheme'],$url);
617            $url = str_replace('{HOST}',$parsed['host'],$url);
618            $url = str_replace('{PORT}',$parsed['port'],$url);
619            $url = str_replace('{PATH}',$parsed['path'],$url);
620            $url = str_replace('{QUERY}',$parsed['query'],$url);
621            $link['url'] = $url;
622        }else{
623            //default
624            $link['url'] = $url.urlencode($wikiUri);
625        }
626
627        $link['title'] = htmlspecialchars($link['url']);
628
629        //output formatted
630        $this->doc .= $this->_formatLink($link);
631    }
632
633    /**
634     */
635    function windowssharelink($url, $name = NULL) {
636        global $conf;
637        global $lang;
638        //simple setup
639        $link['target'] = $conf['target']['windows'];
640        $link['pre']    = '';
641        $link['suf']   = '';
642        $link['style']  = '';
643        //Display error on browsers other than IE
644        $link['more'] = 'onclick="if(document.all == null){alert(\''.
645                        $this->_xmlEntities($lang['nosmblinks'],ENT_QUOTES).
646                        '\');}" onkeypress="if(document.all == null){alert(\''.
647                        $this->_xmlEntities($lang['nosmblinks'],ENT_QUOTES).'\');}"';
648
649        $link['name'] = $this->_getLinkTitle($name, $url, $isImage);
650        if ( !$isImage ) {
651            $link['class'] = 'windows';
652        } else {
653            $link['class'] = 'media';
654        }
655
656
657        $link['title'] = $this->_xmlEntities($url);
658        $url = str_replace('\\','/',$url);
659        $url = 'file:///'.$url;
660        $link['url'] = $url;
661
662        //output formatted
663        $this->doc .= $this->_formatLink($link);
664    }
665
666    function emaillink($address, $name = NULL) {
667        global $conf;
668        //simple setup
669        $link = array();
670        $link['target'] = '';
671        $link['pre']    = '';
672        $link['suf']   = '';
673        $link['style']  = '';
674        $link['more']   = '';
675
676        //we just test for image here - we need to encode the title our self
677        $this->_getLinkTitle($name, $address, $isImage);
678        if ( !$isImage ) {
679            $link['class']='mail';
680        } else {
681            $link['class']='media';
682        }
683
684        //shields up
685        if($conf['mailguard']=='visible'){
686            //the mail name gets some visible encoding
687            $address = str_replace('@',' [at] ',$address);
688            $address = str_replace('.',' [dot] ',$address);
689            $address = str_replace('-',' [dash] ',$address);
690
691            $title   = $this->_xmlEntities($address);
692            if(empty($name)){
693                $name = $this->_xmlEntities($address);
694            }else{
695                $name = $this->_xmlEntities($name);
696            }
697        }elseif($conf['mailguard']=='hex'){
698            //encode every char to a hex entity
699            for ($x=0; $x < strlen($address); $x++) {
700                $encode .= '&#x' . bin2hex($address[$x]).';';
701            }
702            $address = $encode;
703            $title   = $encode;
704            if(empty($name)){
705                $name = $encode;
706            }else{
707                $name = $this->_xmlEntities($name);
708            }
709        }else{
710            //keep address as is
711            $title   = $this->_xmlEntities($address);
712            if(empty($name)){
713                $name = $this->_xmlEntities($address);
714            }else{
715                $name = $this->_xmlEntities($name);
716            }
717        }
718
719        $link['url']   = 'mailto:'.rawurlencode($address);
720        $link['name']  = $name;
721        $link['title'] = $title;
722
723        //output formatted
724        $this->doc .= $this->_formatLink($link);
725    }
726
727    /**
728     * @todo don't add link for flash
729     */
730    function internalmedia ($src, $title=NULL, $align=NULL, $width=NULL,
731                            $height=NULL, $cache=NULL) {
732        global $conf;
733        global $ID;
734        resolve_mediaid(getNS($ID),$src, $exists);
735
736        $link = array();
737        $link['class']  = 'media';
738        $link['style']  = '';
739        $link['pre']    = '';
740        $link['suf']    = '';
741        $link['more']   = 'onclick="return svchk()" onkeypress="return svchk()"';
742        $link['target'] = $conf['target']['media'];
743
744        $link['title']  = $this->_xmlEntities($src);
745        list($ext,$mime) = mimetype($src);
746        if(substr($mime,0,5) == 'image' && !preg_match('#^(https?|ftp)://#i',$src)){
747            $link['url']= DOKU_BASE.'lib/exe/detail.php?id='.$ID.'&amp;cache='.$cache.'&amp;media='.urlencode($src);
748        }else{
749            $link['url']= DOKU_BASE.'lib/exe/fetch.php?cache='.$cache.'&amp;media='.urlencode($src);
750        }
751        $link['name']   = $this->_media ($src, $title, $align, $width, $height, $cache);
752
753
754        //output formatted
755        $this->doc .= $this->_formatLink($link);
756    }
757
758    /**
759     * @todo don't add link for flash
760     */
761    function externalmedia ($src, $title=NULL, $align=NULL, $width=NULL,
762                            $height=NULL, $cache=NULL) {
763        global $conf;
764
765        $link = array();
766        $link['class']  = 'media';
767        $link['style']  = '';
768        $link['pre']    = '';
769        $link['suf']    = '';
770        $link['more']   = 'onclick="return svchk()" onkeypress="return svchk()"';
771        $link['target'] = $conf['target']['media'];
772
773        $link['title']  = $this->_xmlEntities($src);
774        $link['url']    = DOKU_BASE.'lib/exe/fetch.php?cache='.$cache.'&amp;media='.urlencode($src);
775        $link['name']   = $this->_media ($src, $title, $align, $width, $height, $cache);
776
777
778        //output formatted
779        $this->doc .= $this->_formatLink($link);
780    }
781
782    /**
783     * Renders an RSS feed using Magpie
784     *
785     * @author Andreas Gohr <andi@splitbrain.org>
786     */
787    function rss ($url){
788        global $lang;
789        define('MAGPIE_CACHE_ON', false); //we do our own caching
790        define('MAGPIE_DIR', DOKU_INC.'inc/magpie/');
791        define('MAGPIE_OUTPUT_ENCODING','UTF-8'); //return all feeds as UTF-8
792        require_once(MAGPIE_DIR.'/rss_fetch.inc');
793
794        //disable warning while fetching
795        $elvl = error_reporting(E_ERROR);
796        $rss  = fetch_rss($url);
797        error_reporting($elvl);
798
799        $this->doc .= '<ul class="rss">';
800        if($rss){
801            foreach ($rss->items as $item ) {
802                $this->doc .= '<li>';
803                $this->externallink($item['link'],$item['title']);
804                $this->doc .= '</li>';
805            }
806        }else{
807            $this->doc .= '<li>';
808            $this->doc .= '<em>'.$lang['rssfailed'].'</em>';
809            $this->externallink($url);
810            $this->doc .= '</li>';
811        }
812        $this->doc .= '</ul>';
813    }
814
815    // $numrows not yet implemented
816    function table_open($maxcols = NULL, $numrows = NULL){
817        $this->doc .= '<table class="inline">'.DOKU_LF;
818    }
819
820    function table_close(){
821        $this->doc .= '</table>'.DOKU_LF.'<br />'.DOKU_LF;
822    }
823
824    function tablerow_open(){
825        $this->doc .= DOKU_TAB . '<tr>' . DOKU_LF . DOKU_TAB . DOKU_TAB;
826    }
827
828    function tablerow_close(){
829        $this->doc .= DOKU_LF . DOKU_TAB . '</tr>' . DOKU_LF;
830    }
831
832    function tableheader_open($colspan = 1, $align = NULL){
833        $this->doc .= '<th';
834        if ( !is_null($align) ) {
835            $this->doc .= ' class="'.$align.'align"';
836        }
837        if ( $colspan > 1 ) {
838            $this->doc .= ' colspan="'.$colspan.'"';
839        }
840        $this->doc .= '>';
841    }
842
843    function tableheader_close(){
844        $this->doc .= '</th>';
845    }
846
847    function tablecell_open($colspan = 1, $align = NULL){
848        $this->doc .= '<td';
849        if ( !is_null($align) ) {
850            $this->doc .= ' class="'.$align.'align"';
851        }
852        if ( $colspan > 1 ) {
853            $this->doc .= ' colspan="'.$colspan.'"';
854        }
855        $this->doc .= '>';
856    }
857
858    function tablecell_close(){
859        $this->doc .= '</td>';
860    }
861
862    //----------------------------------------------------------
863    // Utils
864
865    /**
866     * Build a link
867     *
868     * Assembles all parts defined in $link returns HTML for the link
869     *
870     * @author Andreas Gohr <andi@splitbrain.org>
871     */
872    function _formatLink($link){
873        //make sure the url is XHTML compliant (skip mailto)
874        if(substr($link['url'],0,7) != 'mailto:'){
875            $link['url'] = str_replace('&','&amp;',$link['url']);
876            $link['url'] = str_replace('&amp;amp;','&amp;',$link['url']);
877        }
878        //remove double encodings in titles
879        $link['title'] = str_replace('&amp;amp;','&amp;',$link['title']);
880
881        $ret  = '';
882        $ret .= $link['pre'];
883        $ret .= '<a href="'.$link['url'].'"';
884        if($link['class'])  $ret .= ' class="'.$link['class'].'"';
885        if($link['target']) $ret .= ' target="'.$link['target'].'"';
886        if($link['title'])  $ret .= ' title="'.$link['title'].'"';
887        if($link['style'])  $ret .= ' style="'.$link['style'].'"';
888        if($link['more'])   $ret .= ' '.$link['more'];
889        $ret .= '>';
890        $ret .= $link['name'];
891        $ret .= '</a>';
892        $ret .= $link['suf'];
893        return $ret;
894    }
895
896    /**
897     * Removes any Namespace from the given name but keeps
898     * casing and special chars
899     *
900     * @author Andreas Gohr <andi@splitbrain.org>
901     */
902    function _simpleTitle($name){
903        global $conf;
904
905        if($conf['useslash']){
906            $nssep = '[:;/]';
907        }else{
908            $nssep = '[:;]';
909        }
910        $name = preg_replace('!.*'.$nssep.'!','',$name);
911        //if there is a hash we use the ancor name only
912        $name = preg_replace('!.*#!','',$name);
913        return $name;
914    }
915
916    /**
917     * Renders internal and external media
918     *
919     * @author Andreas Gohr <andi@splitbrain.org>
920     */
921    function _media ($src, $title=NULL, $align=NULL, $width=NULL,
922                      $height=NULL, $cache=NULL) {
923
924        $ret = '';
925
926        list($ext,$mime) = mimetype($src);
927        if(substr($mime,0,5) == 'image'){
928            //add image tag
929            $ret .= '<img src="'.DOKU_BASE.'lib/exe/fetch.php?w='.$width.'&amp;h='.$height.
930                    '&amp;cache='.$cache.'&amp;media='.urlencode($src).'"';
931
932            $ret .= ' class="media'.$align.'"';
933
934            if (!is_null($title)) {
935                $ret .= ' title="'.$this->_xmlEntities($title).'"';
936                $ret .= ' alt="'.$this->_xmlEntities($title).'"';
937            }elseif($ext == 'jpg' || $ext == 'jpeg'){
938                //try to use the caption from IPTC/EXIF
939                require_once(DOKU_INC.'inc/JpegMeta.php');
940                $jpeg =& new JpegMeta(mediaFN($src));
941                if($jpeg !== false) $cap = $jpeg->getTitle();
942                if($cap){
943                    $ret .= ' title="'.$this->_xmlEntities($cap).'"';
944                    $ret .= ' alt="'.$this->_xmlEntities($cap).'"';
945                }
946            }else{
947                $ret .= ' alt=""';
948            }
949
950            if ( !is_null($width) )
951                $ret .= ' width="'.$this->_xmlEntities($width).'"';
952
953            if ( !is_null($height) )
954                $ret .= ' height="'.$this->_xmlEntities($height).'"';
955
956            $ret .= ' />';
957
958        }elseif($mime == 'application/x-shockwave-flash'){
959            $ret .= '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"'.
960                    ' codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0"';
961            if ( !is_null($width) ) $ret .= ' width="'.$this->_xmlEntities($width).'"';
962            if ( !is_null($height) ) $ret .= ' height="'.$this->_xmlEntities($height).'"';
963            $ret .= '>'.DOKU_LF;
964            $ret .= '<param name="movie" value="'.DOKU_BASE.'lib/exe/fetch.php?media='.urlencode($src).'" />'.DOKU_LF;
965            $ret .= '<param name="quality" value="high" />'.DOKU_LF;
966            $ret .= '<embed src="'.DOKU_BASE.'lib/exe/fetch.php?media='.urlencode($src).'"'.
967                    ' quality="high"';
968            if ( !is_null($width) ) $ret .= ' width="'.$this->_xmlEntities($width).'"';
969            if ( !is_null($height) ) $ret .= ' height="'.$this->_xmlEntities($height).'"';
970            $ret .= ' type="application/x-shockwave-flash"'.
971                    ' pluginspage="http://www.macromedia.com/go/getflashplayer"></embed>'.DOKU_LF;
972            $ret .= '</object>'.DOKU_LF;
973
974        }elseif(!is_null($title)){
975            // well at least we have a title to display
976            $ret .= $this->_xmlEntities($title);
977        }else{
978            // just show the source
979            $ret .= $this->_xmlEntities($src);
980        }
981
982        return $ret;
983    }
984
985    function _xmlEntities($string) {
986        return htmlspecialchars($string);
987    }
988
989    function _headerToLink($title) {
990        return str_replace(':','',cleanID($title));
991    }
992
993    /**
994     * Adds code for section editing button
995     *
996     * This is just aplaceholder and gets replace by the button if
997     * section editing is allowed
998     *
999     * @author Andreas Gohr <andi@splitbrain.org>
1000     */
1001    function _secedit($f, $t){
1002        $this->doc .= '<!-- SECTION ['.$f.'-'.$t.'] -->';
1003    }
1004
1005    /**
1006     * Construct a title and handle images in titles
1007     *
1008     * @author Harry Fuecks <hfuecks@gmail.com>
1009     */
1010    function _getLinkTitle($title, $default, & $isImage, $id=NULL) {
1011        global $conf;
1012
1013        $isImage = FALSE;
1014        if ( is_null($title) ) {
1015            if ($conf['useheading'] && $id) {
1016                $heading = p_get_first_heading($id);
1017                if ($heading) {
1018                    return $this->_xmlEntities($heading);
1019                }
1020            }
1021            return $this->_xmlEntities($default);
1022        } else if ( is_string($title) ) {
1023            return $this->_xmlEntities($title);
1024        } else if ( is_array($title) ) {
1025            $isImage = TRUE;
1026            return $this->_imageTitle($title);
1027        }
1028    }
1029
1030    /**
1031     * Returns an HTML code for images used in link titles
1032     *
1033     * @todo Resolve namespace on internal images
1034     * @author Andreas Gohr <andi@splitbrain.org>
1035     */
1036    function _imageTitle($img) {
1037        return $this->_media($img['src'],
1038                              $img['title'],
1039                              $img['align'],
1040                              $img['width'],
1041                              $img['height'],
1042                              $img['cache']);
1043    }
1044}
1045
1046//Setup VIM: ex: et ts=4 enc=utf-8 :
1047