xref: /dokuwiki/inc/parser/xhtml.php (revision 0ef95f3d2c295b225c3d3e09786d7e28abcdfe95) 
1<?php
2/**
3 * Renderer for XHTML output
4 *
5 * @author Harry Fuecks <hfuecks@gmail.com>
6 * @author Andreas Gohr <andi@splitbrain.org>
7 */
8if(!defined('DOKU_INC')) die('meh.');
9
10if ( !defined('DOKU_LF') ) {
11    // Some whitespace to help View > Source
12    define ('DOKU_LF',"\n");
13}
14
15if ( !defined('DOKU_TAB') ) {
16    // Some whitespace to help View > Source
17    define ('DOKU_TAB',"\t");
18}
19
20require_once DOKU_INC . 'inc/parser/renderer.php';
21require_once DOKU_INC . 'inc/html.php';
22
23/**
24 * The Renderer
25 */
26class Doku_Renderer_xhtml extends Doku_Renderer {
27
28    // @access public
29    var $doc = '';        // will contain the whole document
30    var $toc = array();   // will contain the Table of Contents
31
32
33    var $headers = array();
34    var $footnotes = array();
35    var $lastlevel = 0;
36    var $node = array(0,0,0,0,0);
37    var $store = '';
38
39    var $_counter = array(); // used as global counter, introduced for table classes
40
41    function getFormat(){
42        return 'xhtml';
43    }
44
45
46    function document_start() {
47        //reset some internals
48        $this->toc     = array();
49        $this->headers = array();
50    }
51
52    function document_end() {
53        if ( count ($this->footnotes) > 0 ) {
54            $this->doc .= '<div class="footnotes">'.DOKU_LF;
55
56            $id = 0;
57            foreach ( $this->footnotes as $footnote ) {
58                $id++;   // the number of the current footnote
59
60                // check its not a placeholder that indicates actual footnote text is elsewhere
61                if (substr($footnote, 0, 5) != "@@FNT") {
62
63                    // open the footnote and set the anchor and backlink
64                    $this->doc .= '<div class="fn">';
65                    $this->doc .= '<sup><a href="#fnt__'.$id.'" id="fn__'.$id.'" name="fn__'.$id.'" class="fn_bot">';
66                    $this->doc .= $id.')</a></sup> '.DOKU_LF;
67
68                    // get any other footnotes that use the same markup
69                    $alt = array_keys($this->footnotes, "@@FNT$id");
70
71                    if (count($alt)) {
72                      foreach ($alt as $ref) {
73                        // set anchor and backlink for the other footnotes
74                        $this->doc .= ', <sup><a href="#fnt__'.($ref+1).'" id="fn__'.($ref+1).'" name="fn__'.($ref+1).'" class="fn_bot">';
75                        $this->doc .= ($ref+1).')</a></sup> '.DOKU_LF;
76                      }
77                    }
78
79                    // add footnote markup and close this footnote
80                    $this->doc .= $footnote;
81                    $this->doc .= '</div>' . DOKU_LF;
82                }
83            }
84            $this->doc .= '</div>'.DOKU_LF;
85        }
86
87        // Prepare the TOC
88        global $conf;
89        if($this->info['toc'] && is_array($this->toc) && $conf['tocminheads'] && count($this->toc) >= $conf['tocminheads']){
90            global $TOC;
91            $TOC = $this->toc;
92        }
93
94        // make sure there are no empty paragraphs
95        $this->doc = preg_replace('#<p>\s*</p>#','',$this->doc);
96    }
97
98    function toc_additem($id, $text, $level) {
99        global $conf;
100
101        //handle TOC
102        if($level >= $conf['toptoclevel'] && $level <= $conf['maxtoclevel']){
103            $this->toc[] = html_mktocitem($id, $text, $level-$conf['toptoclevel']+1);
104        }
105    }
106
107    function header($text, $level, $pos) {
108        if(!$text) return; //skip empty headlines
109
110        $hid = $this->_headerToLink($text,true);
111
112        //only add items within configured levels
113        $this->toc_additem($hid, $text, $level);
114
115        // adjust $node to reflect hierarchy of levels
116        $this->node[$level-1]++;
117        if ($level < $this->lastlevel) {
118            for ($i = 0; $i < $this->lastlevel-$level; $i++) {
119                $this->node[$this->lastlevel-$i-1] = 0;
120            }
121        }
122        $this->lastlevel = $level;
123
124        // write the header
125        $this->doc .= DOKU_LF.'<h'.$level.'><a name="'.$hid.'" id="'.$hid.'">';
126        $this->doc .= $this->_xmlEntities($text);
127        $this->doc .= "</a></h$level>".DOKU_LF;
128    }
129
130     /**
131     * Section edit marker is replaced by an edit button when
132     * the page is editable. Replacement done in 'inc/html.php#html_secedit'
133     *
134     * @author Andreas Gohr <andi@splitbrain.org>
135     * @author Ben Coburn   <btcoburn@silicodon.net>
136     */
137    function section_edit($start, $end, $level, $name) {
138        global $conf;
139
140        if ($start!=-1 && $level<=$conf['maxseclevel']) {
141            $name = str_replace('"', '', $name);
142            $this->doc .= '<!-- SECTION "'.$name.'" ['.$start.'-'.(($end===0)?'':$end).'] -->';
143        }
144    }
145
146    function section_open($level) {
147        $this->doc .= "<div class=\"level$level\">".DOKU_LF;
148    }
149
150    function section_close() {
151        $this->doc .= DOKU_LF.'</div>'.DOKU_LF;
152    }
153
154    function cdata($text) {
155        $this->doc .= $this->_xmlEntities($text);
156    }
157
158    function p_open() {
159        $this->doc .= DOKU_LF.'<p>'.DOKU_LF;
160    }
161
162    function p_close() {
163        $this->doc .= DOKU_LF.'</p>'.DOKU_LF;
164    }
165
166    function linebreak() {
167        $this->doc .= '<br/>'.DOKU_LF;
168    }
169
170    function hr() {
171        $this->doc .= '<hr />'.DOKU_LF;
172    }
173
174    function strong_open() {
175        $this->doc .= '<strong>';
176    }
177
178    function strong_close() {
179        $this->doc .= '</strong>';
180    }
181
182    function emphasis_open() {
183        $this->doc .= '<em>';
184    }
185
186    function emphasis_close() {
187        $this->doc .= '</em>';
188    }
189
190    function underline_open() {
191        $this->doc .= '<em class="u">';
192    }
193
194    function underline_close() {
195        $this->doc .= '</em>';
196    }
197
198    function monospace_open() {
199        $this->doc .= '<code>';
200    }
201
202    function monospace_close() {
203        $this->doc .= '</code>';
204    }
205
206    function subscript_open() {
207        $this->doc .= '<sub>';
208    }
209
210    function subscript_close() {
211        $this->doc .= '</sub>';
212    }
213
214    function superscript_open() {
215        $this->doc .= '<sup>';
216    }
217
218    function superscript_close() {
219        $this->doc .= '</sup>';
220    }
221
222    function deleted_open() {
223        $this->doc .= '<del>';
224    }
225
226    function deleted_close() {
227        $this->doc .= '</del>';
228    }
229
230    /**
231     * Callback for footnote start syntax
232     *
233     * All following content will go to the footnote instead of
234     * the document. To achieve this the previous rendered content
235     * is moved to $store and $doc is cleared
236     *
237     * @author Andreas Gohr <andi@splitbrain.org>
238     */
239    function footnote_open() {
240
241        // move current content to store and record footnote
242        $this->store = $this->doc;
243        $this->doc   = '';
244    }
245
246    /**
247     * Callback for footnote end syntax
248     *
249     * All rendered content is moved to the $footnotes array and the old
250     * content is restored from $store again
251     *
252     * @author Andreas Gohr
253     */
254    function footnote_close() {
255
256        // recover footnote into the stack and restore old content
257        $footnote = $this->doc;
258        $this->doc = $this->store;
259        $this->store = '';
260
261        // check to see if this footnote has been seen before
262        $i = array_search($footnote, $this->footnotes);
263
264        if ($i === false) {
265            // its a new footnote, add it to the $footnotes array
266            $id = count($this->footnotes)+1;
267            $this->footnotes[count($this->footnotes)] = $footnote;
268        } else {
269            // seen this one before, translate the index to an id and save a placeholder
270            $i++;
271            $id = count($this->footnotes)+1;
272            $this->footnotes[count($this->footnotes)] = "@@FNT".($i);
273        }
274
275        // output the footnote reference and link
276        $this->doc .= '<sup><a href="#fn__'.$id.'" name="fnt__'.$id.'" id="fnt__'.$id.'" class="fn_top">'.$id.')</a></sup>';
277    }
278
279    function listu_open() {
280        $this->doc .= '<ul>'.DOKU_LF;
281    }
282
283    function listu_close() {
284        $this->doc .= '</ul>'.DOKU_LF;
285    }
286
287    function listo_open() {
288        $this->doc .= '<ol>'.DOKU_LF;
289    }
290
291    function listo_close() {
292        $this->doc .= '</ol>'.DOKU_LF;
293    }
294
295    function listitem_open($level) {
296        $this->doc .= '<li class="level'.$level.'">';
297    }
298
299    function listitem_close() {
300        $this->doc .= '</li>'.DOKU_LF;
301    }
302
303    function listcontent_open() {
304        $this->doc .= '<div class="li">';
305    }
306
307    function listcontent_close() {
308        $this->doc .= '</div>'.DOKU_LF;
309    }
310
311    function unformatted($text) {
312        $this->doc .= $this->_xmlEntities($text);
313    }
314
315    /**
316     * Execute PHP code if allowed
317     *
318     * @param  string   $wrapper   html element to wrap result if $conf['phpok'] is okff
319     *
320     * @author Andreas Gohr <andi@splitbrain.org>
321     */
322    function php($text, $wrapper='code') {
323        global $conf;
324
325        if($conf['phpok']){
326          ob_start();
327          eval($text);
328          $this->doc .= ob_get_contents();
329          ob_end_clean();
330        } else {
331          $this->doc .= p_xhtml_cached_geshi($text, 'php', $wrapper);
332        }
333    }
334
335    function phpblock($text) {
336        $this->php($text, 'pre');
337    }
338
339    /**
340     * Insert HTML if allowed
341     *
342     * @param  string   $wrapper   html element to wrap result if $conf['htmlok'] is okff
343     *
344     * @author Andreas Gohr <andi@splitbrain.org>
345     */
346    function html($text, $wrapper='code') {
347        global $conf;
348
349        if($conf['htmlok']){
350          $this->doc .= $text;
351        } else {
352          $this->doc .= p_xhtml_cached_geshi($text, 'html4strict', $wrapper);
353        }
354    }
355
356    function htmlblock($text) {
357        $this->html($text, 'pre');
358    }
359
360    function preformatted($text) {
361        $this->doc .= '<pre class="code">' . trim($this->_xmlEntities($text),"\n\r") . '</pre>'. DOKU_LF;
362    }
363
364    function file($text) {
365        $this->doc .= '<pre class="file">' . trim($this->_xmlEntities($text),"\n\r"). '</pre>'. DOKU_LF;
366    }
367
368    function quote_open() {
369        $this->doc .= '<blockquote><div class="no">'.DOKU_LF;
370    }
371
372    function quote_close() {
373        $this->doc .= '</div></blockquote>'.DOKU_LF;
374    }
375
376    /**
377     * Callback for code text
378     *
379     * Uses GeSHi to highlight language syntax
380     *
381     * @author Andreas Gohr <andi@splitbrain.org>
382     */
383    function code($text, $language = NULL) {
384        global $conf;
385
386        if ( is_null($language) ) {
387            $this->preformatted($text);
388        } else {
389            $this->doc .= p_xhtml_cached_geshi($text, $language);
390        }
391    }
392
393    function acronym($acronym) {
394
395        if ( array_key_exists($acronym, $this->acronyms) ) {
396
397            $title = $this->_xmlEntities($this->acronyms[$acronym]);
398
399            $this->doc .= '<acronym title="'.$title
400                .'">'.$this->_xmlEntities($acronym).'</acronym>';
401
402        } else {
403            $this->doc .= $this->_xmlEntities($acronym);
404        }
405    }
406
407    function smiley($smiley) {
408        if ( array_key_exists($smiley, $this->smileys) ) {
409            $title = $this->_xmlEntities($this->smileys[$smiley]);
410            $this->doc .= '<img src="'.DOKU_BASE.'lib/images/smileys/'.$this->smileys[$smiley].
411                '" class="middle" alt="'.
412                    $this->_xmlEntities($smiley).'" />';
413        } else {
414            $this->doc .= $this->_xmlEntities($smiley);
415        }
416    }
417
418    /*
419    * not used
420    function wordblock($word) {
421        if ( array_key_exists($word, $this->badwords) ) {
422            $this->doc .= '** BLEEP **';
423        } else {
424            $this->doc .= $this->_xmlEntities($word);
425        }
426    }
427    */
428
429    function entity($entity) {
430        if ( array_key_exists($entity, $this->entities) ) {
431            $this->doc .= $this->entities[$entity];
432        } else {
433            $this->doc .= $this->_xmlEntities($entity);
434        }
435    }
436
437    function multiplyentity($x, $y) {
438        $this->doc .= "$x&times;$y";
439    }
440
441    function singlequoteopening() {
442        global $lang;
443        $this->doc .= $lang['singlequoteopening'];
444    }
445
446    function singlequoteclosing() {
447        global $lang;
448        $this->doc .= $lang['singlequoteclosing'];
449    }
450
451    function apostrophe() {
452        global $lang;
453        $this->doc .= $lang['apostrophe'];
454    }
455
456    function doublequoteopening() {
457        global $lang;
458        $this->doc .= $lang['doublequoteopening'];
459    }
460
461    function doublequoteclosing() {
462        global $lang;
463        $this->doc .= $lang['doublequoteclosing'];
464    }
465
466    /**
467    */
468    function camelcaselink($link) {
469      $this->internallink($link,$link);
470    }
471
472
473    function locallink($hash, $name = NULL){
474        global $ID;
475        $name  = $this->_getLinkTitle($name, $hash, $isImage);
476        $hash  = $this->_headerToLink($hash);
477        $title = $ID.' &crarr;';
478        $this->doc .= '<a href="#'.$hash.'" title="'.$title.'" class="wikilink1">';
479        $this->doc .= $name;
480        $this->doc .= '</a>';
481    }
482
483    /**
484     * Render an internal Wiki Link
485     *
486     * $search,$returnonly & $linktype are not for the renderer but are used
487     * elsewhere - no need to implement them in other renderers
488     *
489     * @author Andreas Gohr <andi@splitbrain.org>
490     */
491    function internallink($id, $name = NULL, $search=NULL,$returnonly=false,$linktype='content') {
492        global $conf;
493        global $ID;
494        // default name is based on $id as given
495        $default = $this->_simpleTitle($id);
496
497        // now first resolve and clean up the $id
498        resolve_pageid(getNS($ID),$id,$exists);
499        $name = $this->_getLinkTitle($name, $default, $isImage, $id, $linktype);
500        if ( !$isImage ) {
501            if ( $exists ) {
502                $class='wikilink1';
503            } else {
504                $class='wikilink2';
505                $link['rel']='nofollow';
506            }
507        } else {
508            $class='media';
509        }
510
511        //keep hash anchor
512        list($id,$hash) = explode('#',$id,2);
513        if(!empty($hash)) $hash = $this->_headerToLink($hash);
514
515        //prepare for formating
516        $link['target'] = $conf['target']['wiki'];
517        $link['style']  = '';
518        $link['pre']    = '';
519        $link['suf']    = '';
520        // highlight link to current page
521        if ($id == $ID) {
522            $link['pre']    = '<span class="curid">';
523            $link['suf']    = '</span>';
524        }
525        $link['more']   = '';
526        $link['class']  = $class;
527        $link['url']    = wl($id);
528        $link['name']   = $name;
529        $link['title']  = $id;
530        //add search string
531        if($search){
532            ($conf['userewrite']) ? $link['url'].='?' : $link['url'].='&amp;';
533            if(is_array($search)){
534                $search = array_map('rawurlencode',$search);
535                $link['url'] .= 's[]='.join('&amp;s[]=',$search);
536            }else{
537                $link['url'] .= 's='.rawurlencode($search);
538            }
539        }
540
541        //keep hash
542        if($hash) $link['url'].='#'.$hash;
543
544        //output formatted
545        if($returnonly){
546            return $this->_formatLink($link);
547        }else{
548            $this->doc .= $this->_formatLink($link);
549        }
550    }
551
552    function externallink($url, $name = NULL) {
553        global $conf;
554
555        $name = $this->_getLinkTitle($name, $url, $isImage);
556
557        if ( !$isImage ) {
558            $class='urlextern';
559        } else {
560            $class='media';
561        }
562
563        //prepare for formating
564        $link['target'] = $conf['target']['extern'];
565        $link['style']  = '';
566        $link['pre']    = '';
567        $link['suf']    = '';
568        $link['more']   = '';
569        $link['class']  = $class;
570        $link['url']    = $url;
571
572        $link['name']   = $name;
573        $link['title']  = $this->_xmlEntities($url);
574        if($conf['relnofollow']) $link['more'] .= ' rel="nofollow"';
575
576        //output formatted
577        $this->doc .= $this->_formatLink($link);
578    }
579
580    /**
581    */
582    function interwikilink($match, $name = NULL, $wikiName, $wikiUri) {
583        global $conf;
584
585        $link = array();
586        $link['target'] = $conf['target']['interwiki'];
587        $link['pre']    = '';
588        $link['suf']    = '';
589        $link['more']   = '';
590        $link['name']   = $this->_getLinkTitle($name, $wikiUri, $isImage);
591
592        //get interwiki URL
593        $url = $this->_resolveInterWiki($wikiName,$wikiUri);
594
595        if ( !$isImage ) {
596            $class = preg_replace('/[^_\-a-z0-9]+/i','_',$wikiName);
597            $link['class'] = "interwiki iw_$class";
598        } else {
599            $link['class'] = 'media';
600        }
601
602        //do we stay at the same server? Use local target
603        if( strpos($url,DOKU_URL) === 0 ){
604            $link['target'] = $conf['target']['wiki'];
605        }
606
607        $link['url'] = $url;
608        $link['title'] = htmlspecialchars($link['url']);
609
610        //output formatted
611        $this->doc .= $this->_formatLink($link);
612    }
613
614    /**
615     */
616    function windowssharelink($url, $name = NULL) {
617        global $conf;
618        global $lang;
619        //simple setup
620        $link['target'] = $conf['target']['windows'];
621        $link['pre']    = '';
622        $link['suf']   = '';
623        $link['style']  = '';
624
625        $link['name'] = $this->_getLinkTitle($name, $url, $isImage);
626        if ( !$isImage ) {
627            $link['class'] = 'windows';
628        } else {
629            $link['class'] = 'media';
630        }
631
632
633        $link['title'] = $this->_xmlEntities($url);
634        $url = str_replace('\\','/',$url);
635        $url = 'file:///'.$url;
636        $link['url'] = $url;
637
638        //output formatted
639        $this->doc .= $this->_formatLink($link);
640    }
641
642    function emaillink($address, $name = NULL) {
643        global $conf;
644        //simple setup
645        $link = array();
646        $link['target'] = '';
647        $link['pre']    = '';
648        $link['suf']   = '';
649        $link['style']  = '';
650        $link['more']   = '';
651
652        $name = $this->_getLinkTitle($name, '', $isImage);
653        if ( !$isImage ) {
654            $link['class']='mail JSnocheck';
655        } else {
656            $link['class']='media JSnocheck';
657        }
658
659        $address = $this->_xmlEntities($address);
660        $address = obfuscate($address);
661        $title   = $address;
662
663        if(empty($name)){
664            $name = $address;
665        }
666
667        if($conf['mailguard'] == 'visible') $address = rawurlencode($address);
668
669        $link['url']   = 'mailto:'.$address;
670        $link['name']  = $name;
671        $link['title'] = $title;
672
673        //output formatted
674        $this->doc .= $this->_formatLink($link);
675    }
676
677    function internalmedia ($src, $title=NULL, $align=NULL, $width=NULL,
678                            $height=NULL, $cache=NULL, $linking=NULL) {
679        global $ID;
680        list($src,$hash) = explode('#',$src,2);
681        resolve_mediaid(getNS($ID),$src, $exists);
682
683        $noLink = false;
684        $render = ($linking == 'linkonly') ? false : true;
685        $link = $this->_getMediaLinkConf($src, $title, $align, $width, $height, $cache, $render);
686
687        list($ext,$mime,$dl) = mimetype($src);
688        if(substr($mime,0,5) == 'image' && $render){
689            $link['url'] = ml($src,array('id'=>$ID,'cache'=>$cache),($linking=='direct'));
690        }elseif($mime == 'application/x-shockwave-flash' && $render){
691            // don't link flash movies
692            $noLink = true;
693        }else{
694            // add file icons
695            $class = preg_replace('/[^_\-a-z0-9]+/i','_',$ext);
696            $link['class'] .= ' mediafile mf_'.$class;
697            $link['url'] = ml($src,array('id'=>$ID,'cache'=>$cache),true);
698        }
699
700        if($hash) $link['url'] .= '#'.$hash;
701
702        //markup non existing files
703        if (!$exists)
704          $link['class'] .= ' wikilink2';
705
706        //output formatted
707        if ($linking == 'nolink' || $noLink) $this->doc .= $link['name'];
708        else $this->doc .= $this->_formatLink($link);
709    }
710
711    function externalmedia ($src, $title=NULL, $align=NULL, $width=NULL,
712                            $height=NULL, $cache=NULL, $linking=NULL) {
713        list($src,$hash) = explode('#',$src,2);
714        $noLink = false;
715        $render = ($linking == 'linkonly') ? false : true;
716        $link = $this->_getMediaLinkConf($src, $title, $align, $width, $height, $cache, $render);
717
718        $link['url']    = ml($src,array('cache'=>$cache));
719
720        list($ext,$mime,$dl) = mimetype($src);
721        if(substr($mime,0,5) == 'image' && $render){
722             // link only jpeg images
723             // if ($ext != 'jpg' && $ext != 'jpeg') $noLink = true;
724        }elseif($mime == 'application/x-shockwave-flash' && $render){
725             // don't link flash movies
726             $noLink = true;
727        }else{
728             // add file icons
729             $link['class'] .= ' mediafile mf_'.$ext;
730        }
731
732        if($hash) $link['url'] .= '#'.$hash;
733
734        //output formatted
735        if ($linking == 'nolink' || $noLink) $this->doc .= $link['name'];
736        else $this->doc .= $this->_formatLink($link);
737    }
738
739    /**
740     * Renders an RSS feed
741     *
742     * @author Andreas Gohr <andi@splitbrain.org>
743     */
744    function rss ($url,$params){
745        global $lang;
746        global $conf;
747
748        require_once(DOKU_INC.'inc/FeedParser.php');
749        $feed = new FeedParser();
750        $feed->set_feed_url($url);
751
752        //disable warning while fetching
753        if (!defined('DOKU_E_LEVEL')) { $elvl = error_reporting(E_ERROR); }
754        $rc = $feed->init();
755        if (!defined('DOKU_E_LEVEL')) { error_reporting($elvl); }
756
757        //decide on start and end
758        if($params['reverse']){
759            $mod = -1;
760            $start = $feed->get_item_quantity()-1;
761            $end   = $start - ($params['max']);
762            $end   = ($end < -1) ? -1 : $end;
763        }else{
764            $mod   = 1;
765            $start = 0;
766            $end   = $feed->get_item_quantity();
767            $end   = ($end > $params['max']) ? $params['max'] : $end;;
768        }
769
770        $this->doc .= '<ul class="rss">';
771        if($rc){
772            for ($x = $start; $x != $end; $x += $mod) {
773                $item = $feed->get_item($x);
774                $this->doc .= '<li><div class="li">';
775                // support feeds without links
776                $lnkurl = $item->get_permalink();
777                if($lnkurl){
778                    $this->externallink($item->get_permalink(),
779                                        $item->get_title());
780                }else{
781                    $this->doc .= ' '.$item->get_title();
782                }
783                if($params['author']){
784                    $author = $item->get_author(0);
785                    if($author){
786                        $name = $author->get_name();
787                        if(!$name) $name = $author->get_email();
788                        if($name) $this->doc .= ' '.$lang['by'].' '.$name;
789                    }
790                }
791                if($params['date']){
792                    $this->doc .= ' ('.$item->get_local_date($conf['dformat']).')';
793                }
794                if($params['details']){
795                    $this->doc .= '<div class="detail">';
796                    if($conf['htmlok']){
797                        $this->doc .= $item->get_description();
798                    }else{
799                        $this->doc .= strip_tags($item->get_description());
800                    }
801                    $this->doc .= '</div>';
802                }
803
804                $this->doc .= '</div></li>';
805            }
806        }else{
807            $this->doc .= '<li><div class="li">';
808            $this->doc .= '<em>'.$lang['rssfailed'].'</em>';
809            $this->externallink($url);
810            if($conf['allowdebug']){
811                $this->doc .= '<!--'.hsc($feed->error).'-->';
812            }
813            $this->doc .= '</div></li>';
814        }
815        $this->doc .= '</ul>';
816    }
817
818    // $numrows not yet implemented
819    function table_open($maxcols = NULL, $numrows = NULL){
820        // initialize the row counter used for classes
821        $this->_counter['row_counter'] = 0;
822        $this->doc .= '<table class="inline">'.DOKU_LF;
823    }
824
825    function table_close(){
826        $this->doc .= '</table>'.DOKU_LF;
827    }
828
829    function tablerow_open(){
830        // initialize the cell counter used for classes
831        $this->_counter['cell_counter'] = 0;
832        $class = 'row' . $this->_counter['row_counter']++;
833        $this->doc .= DOKU_TAB . '<tr class="'.$class.'">' . DOKU_LF . DOKU_TAB . DOKU_TAB;
834    }
835
836    function tablerow_close(){
837        $this->doc .= DOKU_LF . DOKU_TAB . '</tr>' . DOKU_LF;
838    }
839
840    function tableheader_open($colspan = 1, $align = NULL){
841        $class = 'class="col' . $this->_counter['cell_counter']++;
842        if ( !is_null($align) ) {
843            $class .= ' '.$align.'align';
844        }
845        $class .= '"';
846        $this->doc .= '<th ' . $class;
847        if ( $colspan > 1 ) {
848            $this->_counter['cell_counter'] += $colspan-1;
849            $this->doc .= ' colspan="'.$colspan.'"';
850        }
851        $this->doc .= '>';
852    }
853
854    function tableheader_close(){
855        $this->doc .= '</th>';
856    }
857
858    function tablecell_open($colspan = 1, $align = NULL){
859        $class = 'class="col' . $this->_counter['cell_counter']++;
860        if ( !is_null($align) ) {
861            $class .= ' '.$align.'align';
862        }
863        $class .= '"';
864        $this->doc .= '<td '.$class;
865        if ( $colspan > 1 ) {
866            $this->_counter['cell_counter'] += $colspan-1;
867            $this->doc .= ' colspan="'.$colspan.'"';
868        }
869        $this->doc .= '>';
870    }
871
872    function tablecell_close(){
873        $this->doc .= '</td>';
874    }
875
876    //----------------------------------------------------------
877    // Utils
878
879    /**
880     * Build a link
881     *
882     * Assembles all parts defined in $link returns HTML for the link
883     *
884     * @author Andreas Gohr <andi@splitbrain.org>
885     */
886    function _formatLink($link){
887        //make sure the url is XHTML compliant (skip mailto)
888        if(substr($link['url'],0,7) != 'mailto:'){
889            $link['url'] = str_replace('&','&amp;',$link['url']);
890            $link['url'] = str_replace('&amp;amp;','&amp;',$link['url']);
891        }
892        //remove double encodings in titles
893        $link['title'] = str_replace('&amp;amp;','&amp;',$link['title']);
894
895        // be sure there are no bad chars in url or title
896        // (we can't do this for name because it can contain an img tag)
897        $link['url']   = strtr($link['url'],array('>'=>'%3E','<'=>'%3C','"'=>'%22'));
898        $link['title'] = strtr($link['title'],array('>'=>'&gt;','<'=>'&lt;','"'=>'&quot;'));
899
900        $ret  = '';
901        $ret .= $link['pre'];
902        $ret .= '<a href="'.$link['url'].'"';
903        if(!empty($link['class']))  $ret .= ' class="'.$link['class'].'"';
904        if(!empty($link['target'])) $ret .= ' target="'.$link['target'].'"';
905        if(!empty($link['title']))  $ret .= ' title="'.$link['title'].'"';
906        if(!empty($link['style']))  $ret .= ' style="'.$link['style'].'"';
907        if(!empty($link['rel']))    $ret .= ' rel="'.$link['rel'].'"';
908        if(!empty($link['more']))   $ret .= ' '.$link['more'];
909        $ret .= '>';
910        $ret .= $link['name'];
911        $ret .= '</a>';
912        $ret .= $link['suf'];
913        return $ret;
914    }
915
916    /**
917     * Renders internal and external media
918     *
919     * @author Andreas Gohr <andi@splitbrain.org>
920     */
921    function _media ($src, $title=NULL, $align=NULL, $width=NULL,
922                      $height=NULL, $cache=NULL, $render = true) {
923
924        $ret = '';
925
926        list($ext,$mime,$dl) = mimetype($src);
927        if(substr($mime,0,5) == 'image'){
928            // first get the $title
929            if (!is_null($title)) {
930                $title  = $this->_xmlEntities($title);
931            }elseif($ext == 'jpg' || $ext == 'jpeg'){
932                //try to use the caption from IPTC/EXIF
933                require_once(DOKU_INC.'inc/JpegMeta.php');
934                $jpeg =& new JpegMeta(mediaFN($src));
935                if($jpeg !== false) $cap = $jpeg->getTitle();
936                if($cap){
937                    $title = $this->_xmlEntities($cap);
938                }
939            }
940            if (!$render) {
941                // if the picture is not supposed to be rendered
942                // return the title of the picture
943                if (!$title) {
944                    // just show the sourcename
945                    $title = $this->_xmlEntities(basename(noNS($src)));
946                }
947                return $title;
948            }
949            //add image tag
950            $ret .= '<img src="'.ml($src,array('w'=>$width,'h'=>$height,'cache'=>$cache)).'"';
951            $ret .= ' class="media'.$align.'"';
952
953            // make left/right alignment for no-CSS view work (feeds)
954            if($align == 'right') $ret .= ' align="right"';
955            if($align == 'left')  $ret .= ' align="left"';
956
957            if ($title) {
958                $ret .= ' title="' . $title . '"';
959                $ret .= ' alt="'   . $title .'"';
960            }else{
961                $ret .= ' alt=""';
962            }
963
964            if ( !is_null($width) )
965                $ret .= ' width="'.$this->_xmlEntities($width).'"';
966
967            if ( !is_null($height) )
968                $ret .= ' height="'.$this->_xmlEntities($height).'"';
969
970            $ret .= ' />';
971
972        }elseif($mime == 'application/x-shockwave-flash'){
973            if (!$render) {
974                // if the flash is not supposed to be rendered
975                // return the title of the flash
976                if (!$title) {
977                    // just show the sourcename
978                    $title = basename(noNS($src));
979                }
980                return $this->_xmlEntities($title);
981            }
982
983            $att = array();
984            $att['class'] = "media$align";
985            if($align == 'right') $att['align'] = 'right';
986            if($align == 'left')  $att['align'] = 'left';
987            $ret .= html_flashobject(ml($src,array('cache'=>$cache)),$width,$height,
988                                     array('quality' => 'high'),
989                                     null,
990                                     $att,
991                                     $this->_xmlEntities($title));
992        }elseif($title){
993            // well at least we have a title to display
994            $ret .= $this->_xmlEntities($title);
995        }else{
996            // just show the sourcename
997            $ret .= $this->_xmlEntities(basename(noNS($src)));
998        }
999
1000        return $ret;
1001    }
1002
1003    function _xmlEntities($string) {
1004        return htmlspecialchars($string,ENT_QUOTES,'UTF-8');
1005    }
1006
1007    /**
1008     * Creates a linkid from a headline
1009     *
1010     * @param string  $title   The headline title
1011     * @param boolean $create  Create a new unique ID?
1012     * @author Andreas Gohr <andi@splitbrain.org>
1013     */
1014    function _headerToLink($title,$create=false) {
1015        if($create){
1016            return sectionID($title,$this->headers);
1017        }else{
1018            $check = false;
1019            return sectionID($title,$check);
1020        }
1021    }
1022
1023    /**
1024     * Construct a title and handle images in titles
1025     *
1026     * @author Harry Fuecks <hfuecks@gmail.com>
1027     */
1028    function _getLinkTitle($title, $default, & $isImage, $id=NULL, $linktype='content') {
1029        global $conf;
1030
1031        $isImage = false;
1032        if ( is_null($title) || trim($title)=='') {
1033            if (useHeading($linktype) && $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_array($title) ) {
1041            $isImage = true;
1042            return $this->_imageTitle($title);
1043        } else {
1044            return $this->_xmlEntities($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     * _getMediaLinkConf is a helperfunction to internalmedia() and externalmedia()
1065     * which returns a basic link to a media.
1066     *
1067     * @author Pierre Spring <pierre.spring@liip.ch>
1068     * @param string $src
1069     * @param string $title
1070     * @param string $align
1071     * @param string $width
1072     * @param string $height
1073     * @param string $cache
1074     * @param string $render
1075     * @access protected
1076     * @return array
1077     */
1078    function _getMediaLinkConf($src, $title, $align, $width, $height, $cache, $render)
1079    {
1080        global $conf;
1081
1082        $link = array();
1083        $link['class']  = 'media';
1084        $link['style']  = '';
1085        $link['pre']    = '';
1086        $link['suf']    = '';
1087        $link['more']   = '';
1088        $link['target'] = $conf['target']['media'];
1089        $link['title']  = $this->_xmlEntities($src);
1090        $link['name']   = $this->_media($src, $title, $align, $width, $height, $cache, $render);
1091
1092        return $link;
1093    }
1094
1095
1096}
1097
1098//Setup VIM: ex: et ts=4 enc=utf-8 :
1099