xref: /dokuwiki/inc/parser/xhtml.php (revision 07f89c3c8f7bdf32c835189da7cd6e8393ab8570) 
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/html.php';
23
24/**
25 * The Renderer
26 */
27class Doku_Renderer_xhtml extends Doku_Renderer {
28
29    // @access public
30    var $doc = '';        // will contain the whole document
31    var $toc = array();   // will contain the Table of Contents
32
33
34    var $headers = array();
35    var $footnotes = array();
36    var $lastsec = 0;
37    var $store = '';
38
39    function getFormat(){
40        return 'xhtml';
41    }
42
43
44    function document_start() {
45        //reset some internals
46        $this->toc     = array();
47        $this->headers = array();
48    }
49
50    function document_end() {
51        if ( count ($this->footnotes) > 0 ) {
52            $this->doc .= '<div class="footnotes">'.DOKU_LF;
53
54            $id = 0;
55            foreach ( $this->footnotes as $footnote ) {
56                $id++;   // the number of the current footnote
57
58                // check its not a placeholder that indicates actual footnote text is elsewhere
59                if (substr($footnote, 0, 5) != "@@FNT") {
60
61                    // open the footnote and set the anchor and backlink
62                    $this->doc .= '<div class="fn">';
63                    $this->doc .= '<a href="#fnt__'.$id.'" id="fn__'.$id.'" name="fn__'.$id.'" class="fn_bot">';
64                    $this->doc .= $id.')</a> '.DOKU_LF;
65
66                    // get any other footnotes that use the same markup
67                    $alt = array_keys($this->footnotes, "@@FNT$id");
68
69                    if (count($alt)) {
70                      foreach ($alt as $ref) {
71                        // set anchor and backlink for the other footnotes
72                        $this->doc .= ', <a href="#fnt__'.($ref+1).'" id="fn__'.($ref+1).'" name="fn__'.($ref+1).'" class="fn_bot">';
73                        $this->doc .= ($ref+1).')</a> '.DOKU_LF;
74                      }
75                    }
76
77                    // add footnote markup and close this footnote
78                    $this->doc .= $footnote;
79                    $this->doc .= '</div>' . DOKU_LF;
80                }
81            }
82            $this->doc .= '</div>'.DOKU_LF;
83        }
84
85        // prepend the TOC
86        if($this->info['toc']){
87            $this->doc = $this->render_TOC($this->toc).$this->doc;
88        }
89
90        // make sure there are no empty paragraphs
91        $this->doc = preg_replace('#<p>\s*</p>#','',$this->doc);
92    }
93
94    /**
95     * Return the TOC rendered to XHTML
96     *
97     * @author Andreas Gohr <andi@splitbrain.org>
98     */
99    function render_TOC($toc=null){
100        if(is_null($toc) && is_array($this->toc)) $toc = $this->toc;
101
102        if(count($toc) < 3) return '';
103        global $lang;
104        $out  = '<div class="toc">'.DOKU_LF;
105        $out .= '<div class="tocheader toctoggle" id="toc__header">';
106        $out .= $lang['toc'];
107        $out .= '</div>'.DOKU_LF;
108        $out .= '<div id="toc__inside">'.DOKU_LF;
109        $out .= html_buildlist($toc,'toc',array(__CLASS__,'_tocitem'));
110        $out .= '</div>'.DOKU_LF.'</div>'.DOKU_LF;
111        return $out;
112    }
113
114    /**
115     * Callback for html_buildlist
116     */
117    function _tocitem($item){
118        return '<span class="li"><a href="#'.$item['hid'].'" class="toc">'.
119               Doku_Renderer_xhtml::_xmlEntities($item['title']).'</a></span>';
120    }
121
122    function toc_additem($id, $text, $level) {
123        global $conf;
124
125        //handle TOC
126        if($level >= $conf['toptoclevel'] && $level <= $conf['maxtoclevel']){
127            // the TOC is one of our standard ul list arrays ;-)
128            $this->toc[] = array( 'hid'   => $id,
129                                  'title' => $text,
130                                  'type'  => 'ul',
131                                  'level' => $level-$conf['toptoclevel']+1);
132        }
133    }
134
135    function header($text, $level, $pos) {
136
137        $hid = $this->_headerToLink($text,true);
138
139        //only add items within configured levels
140        $this->toc_additem($hid, $text, $level);
141
142        // write the header
143        $this->doc .= DOKU_LF.'<h'.$level.'><a name="'.$hid.'" id="'.$hid.'">';
144        $this->doc .= $this->_xmlEntities($text);
145        $this->doc .= "</a></h$level>".DOKU_LF;
146    }
147
148     /**
149     * Section edit marker is replaced by an edit button when
150     * the page is editable. Replacement done in 'inc/html.php#html_secedit'
151     *
152     * @author Andreas Gohr <andi@splitbrain.org>
153     * @author Ben Coburn   <btcoburn@silicodon.net>
154     */
155    function section_edit($start, $end, $level, $name) {
156        global $conf;
157
158        if ($start!=-1 && $level<=$conf['maxseclevel']) {
159            $name = str_replace('"', '', $name);
160            $this->doc .= '<!-- SECTION "'.$name.'" ['.$start.'-'.(($end===0)?'':$end).'] -->';
161        }
162    }
163
164    function section_open($level) {
165        $this->doc .= "<div class=\"level$level\">".DOKU_LF;
166    }
167
168    function section_close() {
169        $this->doc .= DOKU_LF.'</div>'.DOKU_LF;
170    }
171
172    function cdata($text) {
173        $this->doc .= $this->_xmlEntities($text);
174    }
175
176    function p_open() {
177        $this->doc .= DOKU_LF.'<p>'.DOKU_LF;
178    }
179
180    function p_close() {
181        $this->doc .= DOKU_LF.'</p>'.DOKU_LF;
182    }
183
184    function linebreak() {
185        $this->doc .= '<br/>'.DOKU_LF;
186    }
187
188    function hr() {
189        $this->doc .= '<hr />'.DOKU_LF;
190    }
191
192    function strong_open() {
193        $this->doc .= '<strong>';
194    }
195
196    function strong_close() {
197        $this->doc .= '</strong>';
198    }
199
200    function emphasis_open() {
201        $this->doc .= '<em>';
202    }
203
204    function emphasis_close() {
205        $this->doc .= '</em>';
206    }
207
208    function underline_open() {
209        $this->doc .= '<em class="u">';
210    }
211
212    function underline_close() {
213        $this->doc .= '</em>';
214    }
215
216    function monospace_open() {
217        $this->doc .= '<code>';
218    }
219
220    function monospace_close() {
221        $this->doc .= '</code>';
222    }
223
224    function subscript_open() {
225        $this->doc .= '<sub>';
226    }
227
228    function subscript_close() {
229        $this->doc .= '</sub>';
230    }
231
232    function superscript_open() {
233        $this->doc .= '<sup>';
234    }
235
236    function superscript_close() {
237        $this->doc .= '</sup>';
238    }
239
240    function deleted_open() {
241        $this->doc .= '<del>';
242    }
243
244    function deleted_close() {
245        $this->doc .= '</del>';
246    }
247
248    /**
249     * Callback for footnote start syntax
250     *
251     * All following content will go to the footnote instead of
252     * the document. To achieve this the previous rendered content
253     * is moved to $store and $doc is cleared
254     *
255     * @author Andreas Gohr <andi@splitbrain.org>
256     */
257    function footnote_open() {
258
259        // move current content to store and record footnote
260        $this->store = $this->doc;
261        $this->doc   = '';
262    }
263
264    /**
265     * Callback for footnote end syntax
266     *
267     * All rendered content is moved to the $footnotes array and the old
268     * content is restored from $store again
269     *
270     * @author Andreas Gohr
271     */
272    function footnote_close() {
273
274        // recover footnote into the stack and restore old content
275        $footnote = $this->doc;
276        $this->doc = $this->store;
277        $this->store = '';
278
279        // check to see if this footnote has been seen before
280        $i = array_search($footnote, $this->footnotes);
281
282        if ($i === false) {
283            // its a new footnote, add it to the $footnotes array
284            $id = count($this->footnotes)+1;
285            $this->footnotes[count($this->footnotes)] = $footnote;
286        } else {
287            // seen this one before, translate the index to an id and save a placeholder
288            $i++;
289            $id = count($this->footnotes)+1;
290            $this->footnotes[count($this->footnotes)] = "@@FNT".($i);
291        }
292
293        // output the footnote reference and link
294        $this->doc .= '<a href="#fn__'.$id.'" name="fnt__'.$id.'" id="fnt__'.$id.'" class="fn_top">'.$id.')</a>';
295    }
296
297    function listu_open() {
298        $this->doc .= '<ul>'.DOKU_LF;
299    }
300
301    function listu_close() {
302        $this->doc .= '</ul>'.DOKU_LF;
303    }
304
305    function listo_open() {
306        $this->doc .= '<ol>'.DOKU_LF;
307    }
308
309    function listo_close() {
310        $this->doc .= '</ol>'.DOKU_LF;
311    }
312
313    function listitem_open($level) {
314        $this->doc .= '<li class="level'.$level.'">';
315    }
316
317    function listitem_close() {
318        $this->doc .= '</li>'.DOKU_LF;
319    }
320
321    function listcontent_open() {
322        $this->doc .= '<div class="li">';
323    }
324
325    function listcontent_close() {
326        $this->doc .= '</div>'.DOKU_LF;
327    }
328
329    function unformatted($text) {
330        $this->doc .= $this->_xmlEntities($text);
331    }
332
333    /**
334     * Execute PHP code if allowed
335     *
336     * @author Andreas Gohr <andi@splitbrain.org>
337     */
338    function php($text) {
339        global $conf;
340        if($conf['phpok']){
341            ob_start();
342            eval($text);
343            $this->doc .= ob_get_contents();
344            ob_end_clean();
345        }else{
346            $this->file($text);
347        }
348    }
349
350    function phpblock($text) {
351        $this->php($text);
352    }
353
354    /**
355     * Insert HTML if allowed
356     *
357     * @author Andreas Gohr <andi@splitbrain.org>
358     */
359    function html($text) {
360        global $conf;
361        if($conf['htmlok']){
362          $this->doc .= $text;
363        }else{
364          $this->file($text);
365        }
366    }
367
368    function htmlblock($text) {
369        $this->html($text);
370    }
371
372    function preformatted($text) {
373        $this->doc .= '<pre class="code">' . $this->_xmlEntities($text) . '</pre>'. DOKU_LF;
374    }
375
376    function file($text) {
377        $this->doc .= '<pre class="file">' . $this->_xmlEntities($text). '</pre>'. DOKU_LF;
378    }
379
380    function quote_open() {
381        $this->doc .= '<blockquote><div class="no">'.DOKU_LF;
382    }
383
384    function quote_close() {
385        $this->doc .= '</div></blockquote>'.DOKU_LF;
386    }
387
388    /**
389     * Callback for code text
390     *
391     * Uses GeSHi to highlight language syntax
392     *
393     * @author Andreas Gohr <andi@splitbrain.org>
394     */
395    function code($text, $language = NULL) {
396        global $conf;
397
398        if ( is_null($language) ) {
399            $this->preformatted($text);
400        } else {
401            //strip leading and trailing blank line
402            $text = preg_replace('/^\s*?\n/','',$text);
403            $text = preg_replace('/\s*?\n$/','',$text);
404            $this->doc .= p_xhtml_cached_geshi($text, $language);
405        }
406    }
407
408    function acronym($acronym) {
409
410        if ( array_key_exists($acronym, $this->acronyms) ) {
411
412            $title = $this->_xmlEntities($this->acronyms[$acronym]);
413
414            $this->doc .= '<acronym title="'.$title
415                .'">'.$this->_xmlEntities($acronym).'</acronym>';
416
417        } else {
418            $this->doc .= $this->_xmlEntities($acronym);
419        }
420    }
421
422    function smiley($smiley) {
423        if ( array_key_exists($smiley, $this->smileys) ) {
424            $title = $this->_xmlEntities($this->smileys[$smiley]);
425            $this->doc .= '<img src="'.DOKU_BASE.'lib/images/smileys/'.$this->smileys[$smiley].
426                '" class="middle" alt="'.
427                    $this->_xmlEntities($smiley).'" />';
428        } else {
429            $this->doc .= $this->_xmlEntities($smiley);
430        }
431    }
432
433    /*
434    * not used
435    function wordblock($word) {
436        if ( array_key_exists($word, $this->badwords) ) {
437            $this->doc .= '** BLEEP **';
438        } else {
439            $this->doc .= $this->_xmlEntities($word);
440        }
441    }
442    */
443
444    function entity($entity) {
445        if ( array_key_exists($entity, $this->entities) ) {
446            $this->doc .= $this->entities[$entity];
447        } else {
448            $this->doc .= $this->_xmlEntities($entity);
449        }
450    }
451
452    function multiplyentity($x, $y) {
453        $this->doc .= "$x&times;$y";
454    }
455
456    function singlequoteopening() {
457        global $lang;
458        $this->doc .= $lang['singlequoteopening'];
459    }
460
461    function singlequoteclosing() {
462        global $lang;
463        $this->doc .= $lang['singlequoteclosing'];
464    }
465
466    function apostrophe() {
467        global $lang;
468        $this->doc .= $lang['apostrophe'];
469    }
470
471    function doublequoteopening() {
472        global $lang;
473        $this->doc .= $lang['doublequoteopening'];
474    }
475
476    function doublequoteclosing() {
477        global $lang;
478        $this->doc .= $lang['doublequoteclosing'];
479    }
480
481    /**
482    */
483    function camelcaselink($link) {
484      $this->internallink($link,$link);
485    }
486
487
488    function locallink($hash, $name = NULL){
489        global $ID;
490        $name  = $this->_getLinkTitle($name, $hash, $isImage);
491        $hash  = $this->_headerToLink($hash);
492        $title = $ID.' &crarr;';
493        $this->doc .= '<a href="#'.$hash.'" title="'.$title.'" class="wikilink1">';
494        $this->doc .= $name;
495        $this->doc .= '</a>';
496    }
497
498    /**
499     * Render an internal Wiki Link
500     *
501     * $search and $returnonly are not for the renderer but are used
502     * elsewhere - no need to implement them in other renderers
503     *
504     * @author Andreas Gohr <andi@splitbrain.org>
505     */
506    function internallink($id, $name = NULL, $search=NULL,$returnonly=false) {
507        global $conf;
508        global $ID;
509        // default name is based on $id as given
510        $default = $this->_simpleTitle($id);
511
512        // now first resolve and clean up the $id
513        resolve_pageid(getNS($ID),$id,$exists);
514        $name = $this->_getLinkTitle($name, $default, $isImage, $id);
515        if ( !$isImage ) {
516            if ( $exists ) {
517                $class='wikilink1';
518            } else {
519                $class='wikilink2';
520            }
521        } else {
522            $class='media';
523        }
524
525        //keep hash anchor
526        list($id,$hash) = explode('#',$id,2);
527        if(!empty($hash)) $hash = $this->_headerToLink($hash);
528
529        //prepare for formating
530        $link['target'] = $conf['target']['wiki'];
531        $link['style']  = '';
532        $link['pre']    = '';
533        $link['suf']    = '';
534        // highlight link to current page
535        if ($id == $ID) {
536            $link['pre']    = '<span class="curid">';
537            $link['suf']    = '</span>';
538        }
539        $link['more']   = '';
540        $link['class']  = $class;
541        $link['url']    = wl($id);
542        $link['name']   = $name;
543        $link['title']  = $id;
544        //add search string
545        if($search){
546            ($conf['userewrite']) ? $link['url'].='?s=' : $link['url'].='&amp;s=';
547            $link['url'] .= rawurlencode($search);
548        }
549
550        //keep hash
551        if($hash) $link['url'].='#'.$hash;
552
553        //output formatted
554        if($returnonly){
555            return $this->_formatLink($link);
556        }else{
557            $this->doc .= $this->_formatLink($link);
558        }
559    }
560
561    function externallink($url, $name = NULL) {
562        global $conf;
563
564        $name = $this->_getLinkTitle($name, $url, $isImage);
565
566        if ( !$isImage ) {
567            $class='urlextern';
568        } else {
569            $class='media';
570        }
571
572        //prepare for formating
573        $link['target'] = $conf['target']['extern'];
574        $link['style']  = '';
575        $link['pre']    = '';
576        $link['suf']    = '';
577        $link['more']   = '';
578        $link['class']  = $class;
579        $link['url']    = $url;
580
581        $link['name']   = $name;
582        $link['title']  = $this->_xmlEntities($url);
583        if($conf['relnofollow']) $link['more'] .= ' rel="nofollow"';
584
585        //output formatted
586        $this->doc .= $this->_formatLink($link);
587    }
588
589    /**
590    */
591    function interwikilink($match, $name = NULL, $wikiName, $wikiUri) {
592        global $conf;
593
594        $link = array();
595        $link['target'] = $conf['target']['interwiki'];
596        $link['pre']    = '';
597        $link['suf']    = '';
598        $link['more']   = '';
599        $link['name']   = $this->_getLinkTitle($name, $wikiUri, $isImage);
600
601        //get interwiki URL
602        $url = $this-> _resolveInterWiki($wikiName,$wikiUri);
603
604        if ( !$isImage ) {
605            $class = preg_replace('/[^_\-a-z0-9]+/i','_',$wikiName);
606            $link['class'] = "interwiki iw_$class";
607        } else {
608            $link['class'] = 'media';
609        }
610
611        //do we stay at the same server? Use local target
612        if( strpos($url,DOKU_URL) === 0 ){
613            $link['target'] = $conf['target']['wiki'];
614        }
615
616        $link['url'] = $url;
617        $link['title'] = htmlspecialchars($link['url']);
618
619        //output formatted
620        $this->doc .= $this->_formatLink($link);
621    }
622
623    /**
624     */
625    function windowssharelink($url, $name = NULL) {
626        global $conf;
627        global $lang;
628        //simple setup
629        $link['target'] = $conf['target']['windows'];
630        $link['pre']    = '';
631        $link['suf']   = '';
632        $link['style']  = '';
633        //Display error on browsers other than IE
634        $link['more'] = 'onclick="if(document.all == null){alert(\''.
635                        str_replace('\\\\n','\\n',addslashes($lang['nosmblinks'])).
636                        '\');}" onkeypress="if(document.all == null){alert(\''.
637                        str_replace('\\\\n','\\n',addslashes($lang['nosmblinks'])).'\');}"';
638
639        $link['name'] = $this->_getLinkTitle($name, $url, $isImage);
640        if ( !$isImage ) {
641            $link['class'] = 'windows';
642        } else {
643            $link['class'] = 'media';
644        }
645
646
647        $link['title'] = $this->_xmlEntities($url);
648        $url = str_replace('\\','/',$url);
649        $url = 'file:///'.$url;
650        $link['url'] = $url;
651
652        //output formatted
653        $this->doc .= $this->_formatLink($link);
654    }
655
656    function emaillink($address, $name = NULL) {
657        global $conf;
658        //simple setup
659        $link = array();
660        $link['target'] = '';
661        $link['pre']    = '';
662        $link['suf']   = '';
663        $link['style']  = '';
664        $link['more']   = '';
665
666        $name = $this->_getLinkTitle($name, '', $isImage);
667        if ( !$isImage ) {
668            $link['class']='mail JSnocheck';
669        } else {
670            $link['class']='media JSnocheck';
671        }
672
673        $address = $this->_xmlEntities($address);
674        $address = obfuscate($address);
675        $title   = $address;
676
677        if(empty($name)){
678            $name = $address;
679        }
680#elseif($isImage{
681#            $name = $this->_xmlEntities($name);
682#        }
683
684        if($conf['mailguard'] == 'visible') $address = rawurlencode($address);
685
686        $link['url']   = 'mailto:'.$address;
687        $link['name']  = $name;
688        $link['title'] = $title;
689
690        //output formatted
691        $this->doc .= $this->_formatLink($link);
692    }
693
694    function internalmedia ($src, $title=NULL, $align=NULL, $width=NULL,
695                            $height=NULL, $cache=NULL, $linking=NULL) {
696        global $conf;
697        global $ID;
698        resolve_mediaid(getNS($ID),$src, $exists);
699
700        $link = array();
701        $link['class']  = 'media';
702        $link['style']  = '';
703        $link['pre']    = '';
704        $link['suf']    = '';
705        $link['more']   = '';
706        $link['target'] = $conf['target']['media'];
707        $noLink = false;
708
709        $link['title']  = $this->_xmlEntities($src);
710        list($ext,$mime) = mimetype($src);
711        if(substr($mime,0,5) == 'image'){
712             $link['url'] = ml($src,array('id'=>$ID,'cache'=>$cache),($linking=='direct'));
713         }elseif($mime == 'application/x-shockwave-flash'){
714             // don't link flash movies
715             $noLink = true;
716         }else{
717             // add file icons
718             $class = preg_replace('/[^_\-a-z0-9]+/i','_',$ext);
719             $link['class'] .= ' mediafile mf_'.$class;
720             $link['url'] = ml($src,array('id'=>$ID,'cache'=>$cache),true);
721         }
722         $link['name']   = $this->_media ($src, $title, $align, $width, $height, $cache);
723
724         //output formatted
725         if ($linking == 'nolink' || $noLink) $this->doc .= $link['name'];
726         else $this->doc .= $this->_formatLink($link);
727    }
728
729    /**
730     * @todo don't add link for flash
731     */
732    function externalmedia ($src, $title=NULL, $align=NULL, $width=NULL,
733                            $height=NULL, $cache=NULL, $linking=NULL) {
734        global $conf;
735
736        $link = array();
737        $link['class']  = 'media';
738        $link['style']  = '';
739        $link['pre']    = '';
740        $link['suf']    = '';
741        $link['more']   = '';
742        $link['target'] = $conf['target']['media'];
743
744        $link['title']  = $this->_xmlEntities($src);
745        $link['url']    = ml($src,array('cache'=>$cache));
746        $link['name']   = $this->_media ($src, $title, $align, $width, $height, $cache);
747        $noLink = false;
748
749        list($ext,$mime) = mimetype($src);
750        if(substr($mime,0,5) == 'image'){
751             // link only jpeg images
752             // if ($ext != 'jpg' && $ext != 'jpeg') $noLink = true;
753        }elseif($mime == 'application/x-shockwave-flash'){
754             // don't link flash movies
755             $noLink = true;
756        }else{
757             // add file icons
758             $link['class'] .= ' mediafile mf_'.$ext;
759         }
760
761        //output formatted
762        if ($linking == 'nolink' || $noLink) $this->doc .= $link['name'];
763        else $this->doc .= $this->_formatLink($link);
764    }
765
766    /**
767     * Renders an RSS feed
768     *
769     * @author Andreas Gohr <andi@splitbrain.org>
770     */
771    function rss ($url,$params){
772        global $lang;
773        global $conf;
774
775        require_once(DOKU_INC.'inc/FeedParser.php');
776        $feed = new FeedParser();
777        $feed->feed_url($url);
778
779        //disable warning while fetching
780        if (!defined('DOKU_E_LEVEL')) { $elvl = error_reporting(E_ERROR); }
781        $rc = $feed->init();
782        if (!defined('DOKU_E_LEVEL')) { error_reporting($elvl); }
783
784        //decide on start and end
785        if($params['reverse']){
786            $mod = -1;
787            $start = $feed->get_item_quantity()-1;
788            $end   = $start - ($params['max']);
789            $end   = ($end < -1) ? -1 : $end;
790        }else{
791            $mod   = 1;
792            $start = 0;
793            $end   = $feed->get_item_quantity();
794            $end   = ($end > $params['max']) ? $params['max'] : $end;;
795        }
796
797        $this->doc .= '<ul class="rss">';
798        if($rc){
799            for ($x = $start; $x != $end; $x += $mod) {
800                $item = $feed->get_item($x);
801                $this->doc .= '<li><div class="li">';
802                $this->externallink($item->get_permalink(),
803                                    $item->get_title());
804                if($params['author']){
805                    $author = $item->get_author(0);
806                    if($author){
807                        $name = $author->get_name();
808                        if(!$name) $name = $author->get_email();
809                        if($name) $this->doc .= ' '.$lang['by'].' '.$name;
810                    }
811                }
812                if($params['date']){
813                    $this->doc .= ' ('.$item->get_date($conf['dformat']).')';
814                }
815                if($params['details']){
816                    $this->doc .= '<div class="detail">';
817                    if($htmlok){
818                        $this->doc .= $item->get_description();
819                    }else{
820                        $this->doc .= strip_tags($item->get_description());
821                    }
822                    $this->doc .= '</div>';
823                }
824
825                $this->doc .= '</div></li>';
826            }
827        }else{
828            $this->doc .= '<li><div class="li">';
829            $this->doc .= '<em>'.$lang['rssfailed'].'</em>';
830            $this->externallink($url);
831            if($conf['allowdebug']){
832                $this->doc .= '<!--'.hsc($feed->error).'-->';
833            }
834            $this->doc .= '</div></li>';
835        }
836        $this->doc .= '</ul>';
837    }
838
839    // $numrows not yet implemented
840    function table_open($maxcols = NULL, $numrows = NULL){
841        $this->doc .= '<table class="inline">'.DOKU_LF;
842    }
843
844    function table_close(){
845        $this->doc .= '</table>'.DOKU_LF;
846    }
847
848    function tablerow_open(){
849        $this->doc .= DOKU_TAB . '<tr>' . DOKU_LF . DOKU_TAB . DOKU_TAB;
850    }
851
852    function tablerow_close(){
853        $this->doc .= DOKU_LF . DOKU_TAB . '</tr>' . DOKU_LF;
854    }
855
856    function tableheader_open($colspan = 1, $align = NULL){
857        $this->doc .= '<th';
858        if ( !is_null($align) ) {
859            $this->doc .= ' class="'.$align.'align"';
860        }
861        if ( $colspan > 1 ) {
862            $this->doc .= ' colspan="'.$colspan.'"';
863        }
864        $this->doc .= '>';
865    }
866
867    function tableheader_close(){
868        $this->doc .= '</th>';
869    }
870
871    function tablecell_open($colspan = 1, $align = NULL){
872        $this->doc .= '<td';
873        if ( !is_null($align) ) {
874            $this->doc .= ' class="'.$align.'align"';
875        }
876        if ( $colspan > 1 ) {
877            $this->doc .= ' colspan="'.$colspan.'"';
878        }
879        $this->doc .= '>';
880    }
881
882    function tablecell_close(){
883        $this->doc .= '</td>';
884    }
885
886    //----------------------------------------------------------
887    // Utils
888
889    /**
890     * Build a link
891     *
892     * Assembles all parts defined in $link returns HTML for the link
893     *
894     * @author Andreas Gohr <andi@splitbrain.org>
895     */
896    function _formatLink($link){
897        //make sure the url is XHTML compliant (skip mailto)
898        if(substr($link['url'],0,7) != 'mailto:'){
899            $link['url'] = str_replace('&','&amp;',$link['url']);
900            $link['url'] = str_replace('&amp;amp;','&amp;',$link['url']);
901        }
902        //remove double encodings in titles
903        $link['title'] = str_replace('&amp;amp;','&amp;',$link['title']);
904
905        // be sure there are no bad chars in url or title
906        // (we can't do this for name because it can contain an img tag)
907        $link['url']   = strtr($link['url'],array('>'=>'%3E','<'=>'%3C','"'=>'%22'));
908        $link['title'] = strtr($link['title'],array('>'=>'&gt;','<'=>'&lt;','"'=>'&quot;'));
909
910        $ret  = '';
911        $ret .= $link['pre'];
912        $ret .= '<a href="'.$link['url'].'"';
913        if(!empty($link['class']))  $ret .= ' class="'.$link['class'].'"';
914        if(!empty($link['target'])) $ret .= ' target="'.$link['target'].'"';
915        if(!empty($link['title']))  $ret .= ' title="'.$link['title'].'"';
916        if(!empty($link['style']))  $ret .= ' style="'.$link['style'].'"';
917        if(!empty($link['more']))   $ret .= ' '.$link['more'];
918        $ret .= '>';
919        $ret .= $link['name'];
920        $ret .= '</a>';
921        $ret .= $link['suf'];
922        return $ret;
923    }
924
925    /**
926     * Renders internal and external media
927     *
928     * @author Andreas Gohr <andi@splitbrain.org>
929     */
930    function _media ($src, $title=NULL, $align=NULL, $width=NULL,
931                      $height=NULL, $cache=NULL) {
932
933        $ret = '';
934
935        list($ext,$mime) = mimetype($src);
936        if(substr($mime,0,5) == 'image'){
937            //add image tag
938            $ret .= '<img src="'.ml($src,array('w'=>$width,'h'=>$height,'cache'=>$cache)).'"';
939            $ret .= ' class="media'.$align.'"';
940
941            if (!is_null($title)) {
942                $ret .= ' title="'.$this->_xmlEntities($title).'"';
943                $ret .= ' alt="'.$this->_xmlEntities($title).'"';
944            }elseif($ext == 'jpg' || $ext == 'jpeg'){
945                //try to use the caption from IPTC/EXIF
946                require_once(DOKU_INC.'inc/JpegMeta.php');
947                $jpeg =& new JpegMeta(mediaFN($src));
948                if($jpeg !== false) $cap = $jpeg->getTitle();
949                if($cap){
950                    $ret .= ' title="'.$this->_xmlEntities($cap).'"';
951                    $ret .= ' alt="'.$this->_xmlEntities($cap).'"';
952                }else{
953                    $ret .= ' alt=""';
954                }
955            }else{
956                $ret .= ' alt=""';
957            }
958
959            if ( !is_null($width) )
960                $ret .= ' width="'.$this->_xmlEntities($width).'"';
961
962            if ( !is_null($height) )
963                $ret .= ' height="'.$this->_xmlEntities($height).'"';
964
965            $ret .= ' />';
966
967        }elseif($mime == 'application/x-shockwave-flash'){
968            $ret .= '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"'.
969                    ' codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0"';
970            if ( !is_null($width) ) $ret .= ' width="'.$this->_xmlEntities($width).'"';
971            if ( !is_null($height) ) $ret .= ' height="'.$this->_xmlEntities($height).'"';
972            $ret .= '>'.DOKU_LF;
973            $ret .= '<param name="movie" value="'.ml($src).'" />'.DOKU_LF;
974            $ret .= '<param name="quality" value="high" />'.DOKU_LF;
975            $ret .= '<embed src="'.ml($src).'"'.
976                    ' quality="high"';
977            if ( !is_null($width) ) $ret .= ' width="'.$this->_xmlEntities($width).'"';
978            if ( !is_null($height) ) $ret .= ' height="'.$this->_xmlEntities($height).'"';
979            $ret .= ' type="application/x-shockwave-flash"'.
980                    ' pluginspage="http://www.macromedia.com/go/getflashplayer"></embed>'.DOKU_LF;
981            $ret .= '</object>'.DOKU_LF;
982
983        }elseif($title){
984            // well at least we have a title to display
985            $ret .= $this->_xmlEntities($title);
986        }else{
987            // just show the sourcename
988            $ret .= $this->_xmlEntities(basename(noNS($src)));
989        }
990
991        return $ret;
992    }
993
994    function _xmlEntities($string) {
995        return htmlspecialchars($string,ENT_QUOTES,'UTF-8');
996    }
997
998    /**
999     * Creates a linkid from a headline
1000     *
1001     * @param string  $title   The headline title
1002     * @param boolean $create  Create a new unique ID?
1003     * @author Andreas Gohr <andi@splitbrain.org>
1004     */
1005    function _headerToLink($title,$create=false) {
1006        $title = str_replace(':','',cleanID($title));
1007        $title = ltrim($title,'0123456789._-');
1008        if(empty($title)) $title='section';
1009
1010        if($create){
1011            // make sure tiles are unique
1012            $num = '';
1013            while(in_array($title.$num,$this->headers)){
1014                ($num) ? $num++ : $num = 1;
1015            }
1016            $title = $title.$num;
1017            $this->headers[] = $title;
1018        }
1019
1020        return $title;
1021    }
1022
1023    /**
1024     * Construct a title and handle images in titles
1025     *
1026     * @author Harry Fuecks <hfuecks@gmail.com>
1027     */
1028    function _getLinkTitle($title, $default, & $isImage, $id=NULL) {
1029        global $conf;
1030
1031        $isImage = false;
1032        if ( is_null($title) ) {
1033            if ($conf['useheading'] && $id) {
1034                $heading = p_get_first_heading($id,true);
1035                if ($heading) {
1036                    return $this->_xmlEntities($heading);
1037                }
1038            }
1039            return $this->_xmlEntities($default);
1040        } else if ( is_string($title) ) {
1041            return $this->_xmlEntities($title);
1042        } else if ( is_array($title) ) {
1043            $isImage = true;
1044            return $this->_imageTitle($title);
1045        }
1046    }
1047
1048    /**
1049     * Returns an HTML code for images used in link titles
1050     *
1051     * @todo Resolve namespace on internal images
1052     * @author Andreas Gohr <andi@splitbrain.org>
1053     */
1054    function _imageTitle($img) {
1055        return $this->_media($img['src'],
1056                              $img['title'],
1057                              $img['align'],
1058                              $img['width'],
1059                              $img['height'],
1060                              $img['cache']);
1061    }
1062}
1063
1064//Setup VIM: ex: et ts=4 enc=utf-8 :
1065