xref: /dokuwiki/inc/parser/xhtml.php (revision d613051ae9b5db0528293dbe6d918df6dbd7dc4e) 
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    /**
351     * Insert HTML if allowed
352     *
353     * @author Andreas Gohr <andi@splitbrain.org>
354     */
355    function html($text) {
356        global $conf;
357        if($conf['htmlok']){
358          $this->doc .= $text;
359        }else{
360          $this->file($text);
361        }
362    }
363
364    function preformatted($text) {
365        $this->doc .= '<pre class="code">' . $this->_xmlEntities($text) . '</pre>'. DOKU_LF;
366    }
367
368    function file($text) {
369        $this->doc .= '<pre class="file">' . $this->_xmlEntities($text). '</pre>'. DOKU_LF;
370    }
371
372    function quote_open() {
373        $this->doc .= '<blockquote><div class="no">'.DOKU_LF;
374    }
375
376    function quote_close() {
377        $this->doc .= '</div></blockquote>'.DOKU_LF;
378    }
379
380    /**
381     * Callback for code text
382     *
383     * Uses GeSHi to highlight language syntax
384     *
385     * @author Andreas Gohr <andi@splitbrain.org>
386     */
387    function code($text, $language = NULL) {
388        global $conf;
389
390        if ( is_null($language) ) {
391            $this->preformatted($text);
392        } else {
393            //strip leading and trailing blank line
394            $text = preg_replace('/^\s*?\n/','',$text);
395            $text = preg_replace('/\s*?\n$/','',$text);
396            $this->doc .= p_xhtml_cached_geshi($text, $language);
397        }
398    }
399
400    function acronym($acronym) {
401
402        if ( array_key_exists($acronym, $this->acronyms) ) {
403
404            $title = $this->_xmlEntities($this->acronyms[$acronym]);
405
406            $this->doc .= '<acronym title="'.$title
407                .'">'.$this->_xmlEntities($acronym).'</acronym>';
408
409        } else {
410            $this->doc .= $this->_xmlEntities($acronym);
411        }
412    }
413
414    function smiley($smiley) {
415        if ( array_key_exists($smiley, $this->smileys) ) {
416            $title = $this->_xmlEntities($this->smileys[$smiley]);
417            $this->doc .= '<img src="'.DOKU_BASE.'lib/images/smileys/'.$this->smileys[$smiley].
418                '" class="middle" alt="'.
419                    $this->_xmlEntities($smiley).'" />';
420        } else {
421            $this->doc .= $this->_xmlEntities($smiley);
422        }
423    }
424
425    /*
426    * not used
427    function wordblock($word) {
428        if ( array_key_exists($word, $this->badwords) ) {
429            $this->doc .= '** BLEEP **';
430        } else {
431            $this->doc .= $this->_xmlEntities($word);
432        }
433    }
434    */
435
436    function entity($entity) {
437        if ( array_key_exists($entity, $this->entities) ) {
438            $this->doc .= $this->entities[$entity];
439        } else {
440            $this->doc .= $this->_xmlEntities($entity);
441        }
442    }
443
444    function multiplyentity($x, $y) {
445        $this->doc .= "$x&times;$y";
446    }
447
448    function singlequoteopening() {
449        global $lang;
450        $this->doc .= $lang['singlequoteopening'];
451    }
452
453    function singlequoteclosing() {
454        global $lang;
455        $this->doc .= $lang['singlequoteclosing'];
456    }
457
458    function doublequoteopening() {
459        global $lang;
460        $this->doc .= $lang['doublequoteopening'];
461    }
462
463    function doublequoteclosing() {
464        global $lang;
465        $this->doc .= $lang['doublequoteclosing'];
466    }
467
468    /**
469    */
470    function camelcaselink($link) {
471      $this->internallink($link,$link);
472    }
473
474
475    function locallink($hash, $name = NULL){
476        global $ID;
477        $name  = $this->_getLinkTitle($name, $hash, $isImage);
478        $hash  = $this->_headerToLink($hash);
479        $title = $ID.' &crarr;';
480        $this->doc .= '<a href="#'.$hash.'" title="'.$title.'" class="wikilink1">';
481        $this->doc .= $name;
482        $this->doc .= '</a>';
483    }
484
485    /**
486     * Render an internal Wiki Link
487     *
488     * $search and $returnonly are not for the renderer but are used
489     * elsewhere - no need to implement them in other renderers
490     *
491     * @author Andreas Gohr <andi@splitbrain.org>
492     */
493    function internallink($id, $name = NULL, $search=NULL,$returnonly=false) {
494        global $conf;
495        global $ID;
496        // default name is based on $id as given
497        $default = $this->_simpleTitle($id);
498        // now first resolve and clean up the $id
499        resolve_pageid(getNS($ID),$id,$exists);
500        $name = $this->_getLinkTitle($name, $default, $isImage, $id);
501        if ( !$isImage ) {
502            if ( $exists ) {
503                $class='wikilink1';
504            } else {
505                $class='wikilink2';
506            }
507        } else {
508            $class='media';
509        }
510
511        //keep hash anchor
512        list($id,$hash) = explode('#',$id,2);
513
514        //prepare for formating
515        $link['target'] = $conf['target']['wiki'];
516        $link['style']  = '';
517        $link['pre']    = '';
518        $link['suf']    = '';
519        // highlight link to current page
520        if ($id == $ID) {
521            $link['pre']    = '<span class="curid">';
522            $link['suf']    = '</span>';
523        }
524        $link['more']   = '';
525        $link['class']  = $class;
526        $link['url']    = wl($id);
527        $link['name']   = $name;
528        $link['title']  = $id;
529        //add search string
530        if($search){
531            ($conf['userewrite']) ? $link['url'].='?s=' : $link['url'].='&amp;s=';
532            $link['url'] .= rawurlencode($search);
533        }
534
535        //keep hash
536        if($hash) $link['url'].='#'.$hash;
537
538        //output formatted
539        if($returnonly){
540            return $this->_formatLink($link);
541        }else{
542            $this->doc .= $this->_formatLink($link);
543        }
544    }
545
546    function externallink($url, $name = NULL) {
547        global $conf;
548
549        $name = $this->_getLinkTitle($name, $url, $isImage);
550
551        if ( !$isImage ) {
552            $class='urlextern';
553        } else {
554            $class='media';
555        }
556
557        //prepare for formating
558        $link['target'] = $conf['target']['extern'];
559        $link['style']  = '';
560        $link['pre']    = '';
561        $link['suf']    = '';
562        $link['more']   = '';
563        $link['class']  = $class;
564        $link['url']    = $url;
565
566        $link['name']   = $name;
567        $link['title']  = $this->_xmlEntities($url);
568        if($conf['relnofollow']) $link['more'] .= ' rel="nofollow"';
569
570        //output formatted
571        $this->doc .= $this->_formatLink($link);
572    }
573
574    /**
575    */
576    function interwikilink($match, $name = NULL, $wikiName, $wikiUri) {
577        global $conf;
578
579        $link = array();
580        $link['target'] = $conf['target']['interwiki'];
581        $link['pre']    = '';
582        $link['suf']    = '';
583        $link['more']   = '';
584        $link['name']   = $this->_getLinkTitle($name, $wikiUri, $isImage);
585
586        //get interwiki URL
587        $url = $this-> _resolveInterWiki($wikiName,$wikiUri);
588
589        if ( !$isImage ) {
590            $class = preg_replace('/[^_\-a-z0-9]+/i','_',$wikiName);
591            $link['class'] = "interwiki iw_$class";
592        } else {
593            $link['class'] = 'media';
594        }
595
596        //do we stay at the same server? Use local target
597        if( strpos($url,DOKU_URL) === 0 ){
598            $link['target'] = $conf['target']['wiki'];
599        }
600
601        $link['url'] = $url;
602        $link['title'] = htmlspecialchars($link['url']);
603
604        //output formatted
605        $this->doc .= $this->_formatLink($link);
606    }
607
608    /**
609     */
610    function windowssharelink($url, $name = NULL) {
611        global $conf;
612        global $lang;
613        //simple setup
614        $link['target'] = $conf['target']['windows'];
615        $link['pre']    = '';
616        $link['suf']   = '';
617        $link['style']  = '';
618        //Display error on browsers other than IE
619        $link['more'] = 'onclick="if(document.all == null){alert(\''.
620                        $this->_xmlEntities($lang['nosmblinks'],ENT_QUOTES).
621                        '\');}" onkeypress="if(document.all == null){alert(\''.
622                        $this->_xmlEntities($lang['nosmblinks'],ENT_QUOTES).'\');}"';
623
624        $link['name'] = $this->_getLinkTitle($name, $url, $isImage);
625        if ( !$isImage ) {
626            $link['class'] = 'windows';
627        } else {
628            $link['class'] = 'media';
629        }
630
631
632        $link['title'] = $this->_xmlEntities($url);
633        $url = str_replace('\\','/',$url);
634        $url = 'file:///'.$url;
635        $link['url'] = $url;
636
637        //output formatted
638        $this->doc .= $this->_formatLink($link);
639    }
640
641    function emaillink($address, $name = NULL) {
642        global $conf;
643        //simple setup
644        $link = array();
645        $link['target'] = '';
646        $link['pre']    = '';
647        $link['suf']   = '';
648        $link['style']  = '';
649        $link['more']   = '';
650
651        $name = $this->_getLinkTitle($name, '', $isImage);
652        if ( !$isImage ) {
653            $link['class']='mail JSnocheck';
654        } else {
655            $link['class']='media JSnocheck';
656        }
657
658        $address = $this->_xmlEntities($address);
659        $address = obfuscate($address);
660        $title   = $address;
661
662        if(empty($name)){
663            $name = $address;
664        }
665#elseif($isImage{
666#            $name = $this->_xmlEntities($name);
667#        }
668
669        if($conf['mailguard'] == 'visible') $address = rawurlencode($address);
670
671        $link['url']   = 'mailto:'.$address;
672        $link['name']  = $name;
673        $link['title'] = $title;
674
675        //output formatted
676        $this->doc .= $this->_formatLink($link);
677    }
678
679    function internalmedia ($src, $title=NULL, $align=NULL, $width=NULL,
680                            $height=NULL, $cache=NULL, $linking=NULL) {
681        global $conf;
682        global $ID;
683        resolve_mediaid(getNS($ID),$src, $exists);
684
685        $link = array();
686        $link['class']  = 'media';
687        $link['style']  = '';
688        $link['pre']    = '';
689        $link['suf']    = '';
690        $link['more']   = '';
691        $link['target'] = $conf['target']['media'];
692        $noLink = false;
693
694        $link['title']  = $this->_xmlEntities($src);
695        list($ext,$mime) = mimetype($src);
696        if(substr($mime,0,5) == 'image'){
697             $link['url'] = ml($src,array('id'=>$ID,'cache'=>$cache),($linking=='direct'));
698         }elseif($mime == 'application/x-shockwave-flash'){
699             // don't link flash movies
700             $noLink = true;
701         }else{
702             // add file icons
703             $class = preg_replace('/[^_\-a-z0-9]+/i','_',$ext);
704             $link['class'] .= ' mediafile mf_'.$class;
705             $link['url'] = ml($src,array('id'=>$ID,'cache'=>$cache),true);
706         }
707         $link['name']   = $this->_media ($src, $title, $align, $width, $height, $cache);
708
709         //output formatted
710         if ($linking == 'nolink' || $noLink) $this->doc .= $link['name'];
711         else $this->doc .= $this->_formatLink($link);
712    }
713
714    /**
715     * @todo don't add link for flash
716     */
717    function externalmedia ($src, $title=NULL, $align=NULL, $width=NULL,
718                            $height=NULL, $cache=NULL, $linking=NULL) {
719        global $conf;
720
721        $link = array();
722        $link['class']  = 'media';
723        $link['style']  = '';
724        $link['pre']    = '';
725        $link['suf']    = '';
726        $link['more']   = '';
727        $link['target'] = $conf['target']['media'];
728
729        $link['title']  = $this->_xmlEntities($src);
730        $link['url']    = ml($src,array('cache'=>$cache));
731        $link['name']   = $this->_media ($src, $title, $align, $width, $height, $cache);
732        $noLink = false;
733
734        list($ext,$mime) = mimetype($src);
735        if(substr($mime,0,5) == 'image'){
736             // link only jpeg images
737             // if ($ext != 'jpg' && $ext != 'jpeg') $noLink = true;
738        }elseif($mime == 'application/x-shockwave-flash'){
739             // don't link flash movies
740             $noLink = true;
741        }else{
742             // add file icons
743             $link['class'] .= ' mediafile mf_'.$ext;
744         }
745
746        //output formatted
747        if ($linking == 'nolink' || $noLink) $this->doc .= $link['name'];
748        else $this->doc .= $this->_formatLink($link);
749    }
750
751    /**
752     * Renders an RSS feed
753     *
754     * @author Andreas Gohr <andi@splitbrain.org>
755     */
756    function rss ($url,$params){
757        global $lang;
758        global $conf;
759
760        require_once(DOKU_INC.'inc/FeedParser.php');
761        $feed = new FeedParser();
762        $feed->feed_url($url);
763
764        //disable warning while fetching
765        if (!defined('DOKU_E_LEVEL')) { $elvl = error_reporting(E_ERROR); }
766        $rc = $feed->init();
767        if (!defined('DOKU_E_LEVEL')) { error_reporting($elvl); }
768
769        //decide on start and end
770        if($params['reverse']){
771            $mod = -1;
772            $start = $feed->get_item_quantity()-1;
773            $end   = $start - ($params['max']);
774            $end   = ($end < -1) ? -1 : $end;
775        }else{
776            $mod   = 1;
777            $start = 0;
778            $end   = $feed->get_item_quantity();
779            $end   = ($end > $params['max']) ? $params['max'] : $end;;
780        }
781
782        $this->doc .= '<ul class="rss">';
783        if($rc){
784            for ($x = $start; $x != $end; $x += $mod) {
785                $item = $feed->get_item($x);
786                $this->doc .= '<li><div class="li">';
787                $this->externallink($item->get_permalink(),
788                                    $item->get_title());
789                if($params['author']){
790                    $author = $item->get_author(0);
791                    if($author){
792                        $name = $author->get_name();
793                        if(!$name) $name = $author->get_email();
794                        if($name) $this->doc .= ' '.$lang['by'].' '.$name;
795                    }
796                }
797                if($params['date']){
798                    $this->doc .= ' ('.$item->get_date($conf['dformat']).')';
799                }
800                if($params['details']){
801                    $this->doc .= '<div class="detail">';
802                    if($htmlok){
803                        $this->doc .= $item->get_description();
804                    }else{
805                        $this->doc .= strip_tags($item->get_description());
806                    }
807                    $this->doc .= '</div>';
808                }
809
810                $this->doc .= '</div></li>';
811            }
812        }else{
813            $this->doc .= '<li><div class="li">';
814            $this->doc .= '<em>'.$lang['rssfailed'].'</em>';
815            $this->externallink($url);
816            $this->doc .= '</div></li>';
817        }
818        $this->doc .= '</ul>';
819    }
820
821    // $numrows not yet implemented
822    function table_open($maxcols = NULL, $numrows = NULL){
823        $this->doc .= '<table class="inline">'.DOKU_LF;
824    }
825
826    function table_close(){
827        $this->doc .= '</table>'.DOKU_LF;
828    }
829
830    function tablerow_open(){
831        $this->doc .= DOKU_TAB . '<tr>' . DOKU_LF . DOKU_TAB . DOKU_TAB;
832    }
833
834    function tablerow_close(){
835        $this->doc .= DOKU_LF . DOKU_TAB . '</tr>' . DOKU_LF;
836    }
837
838    function tableheader_open($colspan = 1, $align = NULL){
839        $this->doc .= '<th';
840        if ( !is_null($align) ) {
841            $this->doc .= ' class="'.$align.'align"';
842        }
843        if ( $colspan > 1 ) {
844            $this->doc .= ' colspan="'.$colspan.'"';
845        }
846        $this->doc .= '>';
847    }
848
849    function tableheader_close(){
850        $this->doc .= '</th>';
851    }
852
853    function tablecell_open($colspan = 1, $align = NULL){
854        $this->doc .= '<td';
855        if ( !is_null($align) ) {
856            $this->doc .= ' class="'.$align.'align"';
857        }
858        if ( $colspan > 1 ) {
859            $this->doc .= ' colspan="'.$colspan.'"';
860        }
861        $this->doc .= '>';
862    }
863
864    function tablecell_close(){
865        $this->doc .= '</td>';
866    }
867
868    //----------------------------------------------------------
869    // Utils
870
871    /**
872     * Build a link
873     *
874     * Assembles all parts defined in $link returns HTML for the link
875     *
876     * @author Andreas Gohr <andi@splitbrain.org>
877     */
878    function _formatLink($link){
879        //make sure the url is XHTML compliant (skip mailto)
880        if(substr($link['url'],0,7) != 'mailto:'){
881            $link['url'] = str_replace('&','&amp;',$link['url']);
882            $link['url'] = str_replace('&amp;amp;','&amp;',$link['url']);
883        }
884        //remove double encodings in titles
885        $link['title'] = str_replace('&amp;amp;','&amp;',$link['title']);
886
887        // be sure there are no bad chars in url or title
888        // (we can't do this for name because it can contain an img tag)
889        $link['url']   = strtr($link['url'],array('>'=>'%3E','<'=>'%3C','"'=>'%22'));
890        $link['title'] = strtr($link['title'],array('>'=>'&gt;','<'=>'&lt;','"'=>'&quot;'));
891
892        $ret  = '';
893        $ret .= $link['pre'];
894        $ret .= '<a href="'.$link['url'].'"';
895        if(!empty($link['class']))  $ret .= ' class="'.$link['class'].'"';
896        if(!empty($link['target'])) $ret .= ' target="'.$link['target'].'"';
897        if(!empty($link['title']))  $ret .= ' title="'.$link['title'].'"';
898        if(!empty($link['style']))  $ret .= ' style="'.$link['style'].'"';
899        if(!empty($link['more']))   $ret .= ' '.$link['more'];
900        $ret .= '>';
901        $ret .= $link['name'];
902        $ret .= '</a>';
903        $ret .= $link['suf'];
904        return $ret;
905    }
906
907    /**
908     * Renders internal and external media
909     *
910     * @author Andreas Gohr <andi@splitbrain.org>
911     */
912    function _media ($src, $title=NULL, $align=NULL, $width=NULL,
913                      $height=NULL, $cache=NULL) {
914
915        $ret = '';
916
917        list($ext,$mime) = mimetype($src);
918        if(substr($mime,0,5) == 'image'){
919            //add image tag
920            $ret .= '<img src="'.ml($src,array('w'=>$width,'h'=>$height,'cache'=>$cache)).'"';
921            $ret .= ' class="media'.$align.'"';
922
923            if (!is_null($title)) {
924                $ret .= ' title="'.$this->_xmlEntities($title).'"';
925                $ret .= ' alt="'.$this->_xmlEntities($title).'"';
926            }elseif($ext == 'jpg' || $ext == 'jpeg'){
927                //try to use the caption from IPTC/EXIF
928                require_once(DOKU_INC.'inc/JpegMeta.php');
929                $jpeg =& new JpegMeta(mediaFN($src));
930                if($jpeg !== false) $cap = $jpeg->getTitle();
931                if($cap){
932                    $ret .= ' title="'.$this->_xmlEntities($cap).'"';
933                    $ret .= ' alt="'.$this->_xmlEntities($cap).'"';
934                }else{
935                    $ret .= ' alt=""';
936                }
937            }else{
938                $ret .= ' alt=""';
939            }
940
941            if ( !is_null($width) )
942                $ret .= ' width="'.$this->_xmlEntities($width).'"';
943
944            if ( !is_null($height) )
945                $ret .= ' height="'.$this->_xmlEntities($height).'"';
946
947            $ret .= ' />';
948
949        }elseif($mime == 'application/x-shockwave-flash'){
950            $ret .= '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"'.
951                    ' codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0"';
952            if ( !is_null($width) ) $ret .= ' width="'.$this->_xmlEntities($width).'"';
953            if ( !is_null($height) ) $ret .= ' height="'.$this->_xmlEntities($height).'"';
954            $ret .= '>'.DOKU_LF;
955            $ret .= '<param name="movie" value="'.ml($src).'" />'.DOKU_LF;
956            $ret .= '<param name="quality" value="high" />'.DOKU_LF;
957            $ret .= '<embed src="'.ml($src).'"'.
958                    ' quality="high"';
959            if ( !is_null($width) ) $ret .= ' width="'.$this->_xmlEntities($width).'"';
960            if ( !is_null($height) ) $ret .= ' height="'.$this->_xmlEntities($height).'"';
961            $ret .= ' type="application/x-shockwave-flash"'.
962                    ' pluginspage="http://www.macromedia.com/go/getflashplayer"></embed>'.DOKU_LF;
963            $ret .= '</object>'.DOKU_LF;
964
965        }elseif($title){
966            // well at least we have a title to display
967            $ret .= $this->_xmlEntities($title);
968        }else{
969            // just show the sourcename
970            $ret .= $this->_xmlEntities(basename(noNS($src)));
971        }
972
973        return $ret;
974    }
975
976    function _xmlEntities($string) {
977        return htmlspecialchars($string,ENT_QUOTES,'UTF-8');
978    }
979
980    /**
981     * Creates a linkid from a headline
982     *
983     * @param string  $title   The headline title
984     * @param boolean $create  Create a new unique ID?
985     * @author Andreas Gohr <andi@splitbrain.org>
986     */
987    function _headerToLink($title,$create=false) {
988        $title = str_replace(':','',cleanID($title));
989        $title = ltrim($title,'0123456789._-');
990        if(empty($title)) $title='section';
991
992        if($create){
993            // make sure tiles are unique
994            $num = '';
995            while(in_array($title.$num,$this->headers)){
996                ($num) ? $num++ : $num = 1;
997            }
998            $title = $title.$num;
999            $this->headers[] = $title;
1000        }
1001
1002        return $title;
1003    }
1004
1005    /**
1006     * Construct a title and handle images in titles
1007     *
1008     * @author Harry Fuecks <hfuecks@gmail.com>
1009     */
1010    function _getLinkTitle($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,true);
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