xref: /dokuwiki/inc/parser/xhtml.php (revision 54f7220e240f8b20d6750ed02327d78470a108b1) 
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 document_start() {
40        //reset some internals
41        $this->toc     = array();
42        $this->headers = array();
43    }
44
45    function document_end() {
46        if ( count ($this->footnotes) > 0 ) {
47            $this->doc .= '<div class="footnotes">'.DOKU_LF;
48
49            $id = 0;
50            foreach ( $this->footnotes as $footnote ) {
51                $id++;   // the number of the current footnote
52
53                // check its not a placeholder that indicates actual footnote text is elsewhere
54                if (substr($footnote, 0, 5) != "@@FNT") {
55
56                    // open the footnote and set the anchor and backlink
57                    $this->doc .= '<div class="fn">';
58                    $this->doc .= '<a href="#fnt__'.$id.'" id="fn__'.$id.'" name="fn__'.$id.'" class="fn_bot">';
59                    $this->doc .= $id.')</a> '.DOKU_LF;
60
61                    // get any other footnotes that use the same markup
62                    $alt = array_keys($this->footnotes, "@@FNT$id");
63
64                    if (count($alt)) {
65                      foreach ($alt as $ref) {
66                        // set anchor and backlink for the other footnotes
67                        $this->doc .= ', <a href="#fnt__'.($ref+1).'" id="fn__'.($ref+1).'" name="fn__'.($ref+1).'" class="fn_bot">';
68                        $this->doc .= ($ref+1).')</a> '.DOKU_LF;
69                      }
70                    }
71
72                    // add footnote markup and close this footnote
73                    $this->doc .= $footnote;
74                    $this->doc .= '</div>' . DOKU_LF;
75                }
76            }
77            $this->doc .= '</div>'.DOKU_LF;
78        }
79
80        // prepend the TOC
81        if($this->info['toc']){
82            $this->doc = $this->render_TOC($this->toc).$this->doc;
83        }
84
85        // make sure there are no empty paragraphs
86        $this->doc = preg_replace('#<p>\s*</p>#','',$this->doc);
87    }
88
89    /**
90     * Return the TOC rendered to XHTML
91     *
92     * @author Andreas Gohr <andi@splitbrain.org>
93     */
94    function render_TOC($toc=null){
95        if(is_null($toc) && is_array($this->toc)) $toc = $this->toc;
96
97        if(count($toc) < 3) return '';
98        global $lang;
99        $out  = '<div class="toc">'.DOKU_LF;
100        $out .= '<div class="tocheader toctoggle" id="toc__header">';
101        $out .= $lang['toc'];
102        $out .= '</div>'.DOKU_LF;
103        $out .= '<div id="toc__inside">'.DOKU_LF;
104        $out .= html_buildlist($toc,'toc',array(__CLASS__,'_tocitem'));
105        $out .= '</div>'.DOKU_LF.'</div>'.DOKU_LF;
106        return $out;
107    }
108
109    /**
110     * Callback for html_buildlist
111     */
112    function _tocitem($item){
113        return '<span class="li"><a href="#'.$item['hid'].'" class="toc">'.
114               Doku_Renderer_xhtml::_xmlEntities($item['title']).'</a></span>';
115    }
116
117    function toc_additem($id, $text, $level) {
118        global $conf;
119
120        //handle TOC
121        if($level >= $conf['toptoclevel'] && $level <= $conf['maxtoclevel']){
122            // the TOC is one of our standard ul list arrays ;-)
123            $this->toc[] = array( 'hid'   => $id,
124                                  'title' => $text,
125                                  'type'  => 'ul',
126                                  'level' => $level-$conf['toptoclevel']+1);
127        }
128		}
129
130    function header($text, $level, $pos) {
131
132        $hid = $this->_headerToLink($text,true);
133
134        //only add items within configured levels
135        $this->toc_additem($hid, $text, $level);
136
137        // write the header
138        $this->doc .= DOKU_LF.'<h'.$level.'><a name="'.$hid.'" id="'.$hid.'">';
139        $this->doc .= $this->_xmlEntities($text);
140        $this->doc .= "</a></h$level>".DOKU_LF;
141    }
142
143     /**
144     * Section edit marker is replaced by an edit button when
145     * the page is editable. Replacement done in 'inc/html.php#html_secedit'
146     *
147     * @author Andreas Gohr <andi@splitbrain.org>
148     * @author Ben Coburn   <btcoburn@silicodon.net>
149     */
150    function section_edit($start, $end, $level, $name) {
151        global $conf;
152
153        if ($start!=-1 && $level<=$conf['maxseclevel']) {
154            $name = str_replace('"', '', $name);
155            $this->doc .= '<!-- SECTION "'.$name.'" ['.$start.'-'.(($end===0)?'':$end).'] -->';
156        }
157    }
158
159    function section_open($level) {
160        $this->doc .= "<div class=\"level$level\">".DOKU_LF;
161    }
162
163    function section_close() {
164        $this->doc .= DOKU_LF.'</div>'.DOKU_LF;
165    }
166
167    function cdata($text) {
168        $this->doc .= $this->_xmlEntities($text);
169    }
170
171    function p_open() {
172        $this->doc .= DOKU_LF.'<p>'.DOKU_LF;
173    }
174
175    function p_close() {
176        $this->doc .= DOKU_LF.'</p>'.DOKU_LF;
177    }
178
179    function linebreak() {
180        $this->doc .= '<br/>'.DOKU_LF;
181    }
182
183    function hr() {
184        $this->doc .= '<hr />'.DOKU_LF;
185    }
186
187    function strong_open() {
188        $this->doc .= '<strong>';
189    }
190
191    function strong_close() {
192        $this->doc .= '</strong>';
193    }
194
195    function emphasis_open() {
196        $this->doc .= '<em>';
197    }
198
199    function emphasis_close() {
200        $this->doc .= '</em>';
201    }
202
203    function underline_open() {
204        $this->doc .= '<em class="u">';
205    }
206
207    function underline_close() {
208        $this->doc .= '</em>';
209    }
210
211    function monospace_open() {
212        $this->doc .= '<code>';
213    }
214
215    function monospace_close() {
216        $this->doc .= '</code>';
217    }
218
219    function subscript_open() {
220        $this->doc .= '<sub>';
221    }
222
223    function subscript_close() {
224        $this->doc .= '</sub>';
225    }
226
227    function superscript_open() {
228        $this->doc .= '<sup>';
229    }
230
231    function superscript_close() {
232        $this->doc .= '</sup>';
233    }
234
235    function deleted_open() {
236        $this->doc .= '<del>';
237    }
238
239    function deleted_close() {
240        $this->doc .= '</del>';
241    }
242
243    /**
244     * Callback for footnote start syntax
245     *
246     * All following content will go to the footnote instead of
247     * the document. To achieve this the previous rendered content
248     * is moved to $store and $doc is cleared
249     *
250     * @author Andreas Gohr <andi@splitbrain.org>
251     */
252    function footnote_open() {
253
254        // move current content to store and record footnote
255        $this->store = $this->doc;
256        $this->doc   = '';
257    }
258
259    /**
260     * Callback for footnote end syntax
261     *
262     * All rendered content is moved to the $footnotes array and the old
263     * content is restored from $store again
264     *
265     * @author Andreas Gohr
266     */
267    function footnote_close() {
268
269        // recover footnote into the stack and restore old content
270        $footnote = $this->doc;
271        $this->doc = $this->store;
272        $this->store = '';
273
274        // check to see if this footnote has been seen before
275        $i = array_search($footnote, $this->footnotes);
276
277        if ($i === false) {
278            // its a new footnote, add it to the $footnotes array
279            $id = count($this->footnotes)+1;
280            $this->footnotes[count($this->footnotes)] = $footnote;
281        } else {
282            // seen this one before, translate the index to an id and save a placeholder
283            $i++;
284            $id = count($this->footnotes)+1;
285            $this->footnotes[count($this->footnotes)] = "@@FNT".($i);
286        }
287
288        // output the footnote reference and link
289        $this->doc .= '<a href="#fn__'.$id.'" name="fnt__'.$id.'" id="fnt__'.$id.'" class="fn_top">'.$id.')</a>';
290    }
291
292    function listu_open() {
293        $this->doc .= '<ul>'.DOKU_LF;
294    }
295
296    function listu_close() {
297        $this->doc .= '</ul>'.DOKU_LF;
298    }
299
300    function listo_open() {
301        $this->doc .= '<ol>'.DOKU_LF;
302    }
303
304    function listo_close() {
305        $this->doc .= '</ol>'.DOKU_LF;
306    }
307
308    function listitem_open($level) {
309        $this->doc .= '<li class="level'.$level.'">';
310    }
311
312    function listitem_close() {
313        $this->doc .= '</li>'.DOKU_LF;
314    }
315
316    function listcontent_open() {
317        $this->doc .= '<div class="li">';
318    }
319
320    function listcontent_close() {
321        $this->doc .= '</div>'.DOKU_LF;
322    }
323
324    function unformatted($text) {
325        $this->doc .= $this->_xmlEntities($text);
326    }
327
328    /**
329     * Execute PHP code if allowed
330     *
331     * @author Andreas Gohr <andi@splitbrain.org>
332     */
333    function php($text) {
334        global $conf;
335        if($conf['phpok']){
336            ob_start();
337            eval($text);
338            $this->doc .= ob_get_contents();
339            ob_end_clean();
340        }else{
341            $this->file($text);
342        }
343    }
344
345    /**
346     * Insert HTML if allowed
347     *
348     * @author Andreas Gohr <andi@splitbrain.org>
349     */
350    function html($text) {
351        global $conf;
352        if($conf['htmlok']){
353          $this->doc .= $text;
354        }else{
355          $this->file($text);
356        }
357    }
358
359    function preformatted($text) {
360        $this->doc .= '<pre class="code">' . $this->_xmlEntities($text) . '</pre>'. DOKU_LF;
361    }
362
363    function file($text) {
364        $this->doc .= '<pre class="file">' . $this->_xmlEntities($text). '</pre>'. DOKU_LF;
365    }
366
367    function quote_open() {
368        $this->doc .= '<blockquote><div class="no">'.DOKU_LF;
369    }
370
371    function quote_close() {
372        $this->doc .= '</div></blockquote>'.DOKU_LF;
373    }
374
375    /**
376     * Callback for code text
377     *
378     * Uses GeSHi to highlight language syntax
379     *
380     * @author Andreas Gohr <andi@splitbrain.org>
381     */
382    function code($text, $language = NULL) {
383        global $conf;
384
385        if ( is_null($language) ) {
386            $this->preformatted($text);
387        } else {
388            //strip leading and trailing blank line
389            $text = preg_replace('/^\s*?\n/','',$text);
390            $text = preg_replace('/\s*?\n$/','',$text);
391            $this->doc .= p_xhtml_cached_geshi($text, $language);
392        }
393    }
394
395    function acronym($acronym) {
396
397        if ( array_key_exists($acronym, $this->acronyms) ) {
398
399            $title = $this->_xmlEntities($this->acronyms[$acronym]);
400
401            $this->doc .= '<acronym title="'.$title
402                .'">'.$this->_xmlEntities($acronym).'</acronym>';
403
404        } else {
405            $this->doc .= $this->_xmlEntities($acronym);
406        }
407    }
408
409    function smiley($smiley) {
410        if ( array_key_exists($smiley, $this->smileys) ) {
411            $title = $this->_xmlEntities($this->smileys[$smiley]);
412            $this->doc .= '<img src="'.DOKU_BASE.'lib/images/smileys/'.$this->smileys[$smiley].
413                '" class="middle" alt="'.
414                    $this->_xmlEntities($smiley).'" />';
415        } else {
416            $this->doc .= $this->_xmlEntities($smiley);
417        }
418    }
419
420    /*
421    * not used
422    function wordblock($word) {
423        if ( array_key_exists($word, $this->badwords) ) {
424            $this->doc .= '** BLEEP **';
425        } else {
426            $this->doc .= $this->_xmlEntities($word);
427        }
428    }
429    */
430
431    function entity($entity) {
432        if ( array_key_exists($entity, $this->entities) ) {
433            $this->doc .= $this->entities[$entity];
434        } else {
435            $this->doc .= $this->_xmlEntities($entity);
436        }
437    }
438
439    function multiplyentity($x, $y) {
440        $this->doc .= "$x&times;$y";
441    }
442
443    function singlequoteopening() {
444        $this->doc .= "&lsquo;";
445    }
446
447    function singlequoteclosing() {
448        $this->doc .= "&rsquo;";
449    }
450
451    function doublequoteopening() {
452        $this->doc .= "&ldquo;";
453    }
454
455    function doublequoteclosing() {
456        $this->doc .= "&rdquo;";
457    }
458
459    /**
460    */
461    function camelcaselink($link) {
462      $this->internallink($link,$link);
463    }
464
465
466    function locallink($hash, $name = NULL){
467        global $ID;
468        $name  = $this->_getLinkTitle($name, $hash, $isImage);
469        $hash  = $this->_headerToLink($hash);
470        $title = $ID.' &crarr;';
471        $this->doc .= '<a href="#'.$hash.'" title="'.$title.'" class="wikilink1">';
472        $this->doc .= $name;
473        $this->doc .= '</a>';
474    }
475
476    /**
477     * Render an internal Wiki Link
478     *
479     * $search and $returnonly are not for the renderer but are used
480     * elsewhere - no need to implement them in other renderers
481     *
482     * @author Andreas Gohr <andi@splitbrain.org>
483     */
484    function internallink($id, $name = NULL, $search=NULL,$returnonly=false) {
485        global $conf;
486        global $ID;
487        // default name is based on $id as given
488        $default = $this->_simpleTitle($id);
489        // now first resolve and clean up the $id
490        resolve_pageid(getNS($ID),$id,$exists);
491        $name = $this->_getLinkTitle($name, $default, $isImage, $id);
492        if ( !$isImage ) {
493            if ( $exists ) {
494                $class='wikilink1';
495            } else {
496                $class='wikilink2';
497            }
498        } else {
499            $class='media';
500        }
501
502        //keep hash anchor
503        list($id,$hash) = explode('#',$id,2);
504
505        //prepare for formating
506        $link['target'] = $conf['target']['wiki'];
507        $link['style']  = '';
508        $link['pre']    = '';
509        $link['suf']    = '';
510        // highlight link to current page
511        if ($id == $ID) {
512            $link['pre']    = '<span class="curid">';
513            $link['suf']    = '</span>';
514        }
515        $link['more']   = '';
516        $link['class']  = $class;
517        $link['url']    = wl($id);
518        $link['name']   = $name;
519        $link['title']  = $id;
520        //add search string
521        if($search){
522            ($conf['userewrite']) ? $link['url'].='?s=' : $link['url'].='&amp;s=';
523            $link['url'] .= rawurlencode($search);
524        }
525
526        //keep hash
527        if($hash) $link['url'].='#'.$hash;
528
529        //output formatted
530        if($returnonly){
531            return $this->_formatLink($link);
532        }else{
533            $this->doc .= $this->_formatLink($link);
534        }
535    }
536
537    function externallink($url, $name = NULL) {
538        global $conf;
539
540        $name = $this->_getLinkTitle($name, $url, $isImage);
541
542        if ( !$isImage ) {
543            $class='urlextern';
544        } else {
545            $class='media';
546        }
547
548        //prepare for formating
549        $link['target'] = $conf['target']['extern'];
550        $link['style']  = '';
551        $link['pre']    = '';
552        $link['suf']    = '';
553        $link['more']   = '';
554        $link['class']  = $class;
555        $link['url']    = $url;
556
557        $link['name']   = $name;
558        $link['title']  = $this->_xmlEntities($url);
559        if($conf['relnofollow']) $link['more'] .= ' rel="nofollow"';
560
561        //output formatted
562        $this->doc .= $this->_formatLink($link);
563    }
564
565    /**
566    */
567    function interwikilink($match, $name = NULL, $wikiName, $wikiUri) {
568        global $conf;
569
570        $link = array();
571        $link['target'] = $conf['target']['interwiki'];
572        $link['pre']    = '';
573        $link['suf']    = '';
574        $link['more']   = '';
575        $link['name']   = $this->_getLinkTitle($name, $wikiUri, $isImage);
576
577        //get interwiki URL
578        $url = $this-> _resolveInterWiki($wikiName,$wikiUri);
579
580        if ( !$isImage ) {
581            $class = preg_replace('/[^_\-a-z0-9]+/i','_',$wikiName);
582            $link['class'] = "interwiki iw_$class";
583        } else {
584            $link['class'] = 'media';
585        }
586
587        //do we stay at the same server? Use local target
588        if( strpos($url,DOKU_URL) === 0 ){
589            $link['target'] = $conf['target']['wiki'];
590        }
591
592        $link['url'] = $url;
593        $link['title'] = htmlspecialchars($link['url']);
594
595        //output formatted
596        $this->doc .= $this->_formatLink($link);
597    }
598
599    /**
600     */
601    function windowssharelink($url, $name = NULL) {
602        global $conf;
603        global $lang;
604        //simple setup
605        $link['target'] = $conf['target']['windows'];
606        $link['pre']    = '';
607        $link['suf']   = '';
608        $link['style']  = '';
609        //Display error on browsers other than IE
610        $link['more'] = 'onclick="if(document.all == null){alert(\''.
611                        $this->_xmlEntities($lang['nosmblinks'],ENT_QUOTES).
612                        '\');}" onkeypress="if(document.all == null){alert(\''.
613                        $this->_xmlEntities($lang['nosmblinks'],ENT_QUOTES).'\');}"';
614
615        $link['name'] = $this->_getLinkTitle($name, $url, $isImage);
616        if ( !$isImage ) {
617            $link['class'] = 'windows';
618        } else {
619            $link['class'] = 'media';
620        }
621
622
623        $link['title'] = $this->_xmlEntities($url);
624        $url = str_replace('\\','/',$url);
625        $url = 'file:///'.$url;
626        $link['url'] = $url;
627
628        //output formatted
629        $this->doc .= $this->_formatLink($link);
630    }
631
632    function emaillink($address, $name = NULL) {
633        global $conf;
634        //simple setup
635        $link = array();
636        $link['target'] = '';
637        $link['pre']    = '';
638        $link['suf']   = '';
639        $link['style']  = '';
640        $link['more']   = '';
641
642        $name = $this->_getLinkTitle($name, '', $isImage);
643        if ( !$isImage ) {
644            $link['class']='mail JSnocheck';
645        } else {
646            $link['class']='media JSnocheck';
647        }
648
649        $address = $this->_xmlEntities($address);
650        $address = obfuscate($address);
651        $title   = $address;
652
653        if(empty($name)){
654            $name = $address;
655        }
656#elseif($isImage{
657#            $name = $this->_xmlEntities($name);
658#        }
659
660        if($conf['mailguard'] == 'visible') $address = rawurlencode($address);
661
662        $link['url']   = 'mailto:'.$address;
663        $link['name']  = $name;
664        $link['title'] = $title;
665
666        //output formatted
667        $this->doc .= $this->_formatLink($link);
668    }
669
670    function internalmedia ($src, $title=NULL, $align=NULL, $width=NULL,
671                            $height=NULL, $cache=NULL, $linking=NULL) {
672        global $conf;
673        global $ID;
674        resolve_mediaid(getNS($ID),$src, $exists);
675
676        $link = array();
677        $link['class']  = 'media';
678        $link['style']  = '';
679        $link['pre']    = '';
680        $link['suf']    = '';
681        $link['more']   = '';
682        $link['target'] = $conf['target']['media'];
683        $noLink = false;
684
685        $link['title']  = $this->_xmlEntities($src);
686        list($ext,$mime) = mimetype($src);
687        if(substr($mime,0,5) == 'image'){
688             $link['url'] = ml($src,array('id'=>$ID,'cache'=>$cache),($linking=='direct'));
689         }elseif($mime == 'application/x-shockwave-flash'){
690             // don't link flash movies
691             $noLink = true;
692         }else{
693             // add file icons
694             $class = preg_replace('/[^_\-a-z0-9]+/i','_',$ext);
695             $link['class'] .= ' mediafile mf_'.$class;
696             $link['url'] = ml($src,array('id'=>$ID,'cache'=>$cache),true);
697         }
698         $link['name']   = $this->_media ($src, $title, $align, $width, $height, $cache);
699
700         //output formatted
701         if ($linking == 'nolink' || $noLink) $this->doc .= $link['name'];
702         else $this->doc .= $this->_formatLink($link);
703    }
704
705    /**
706     * @todo don't add link for flash
707     */
708    function externalmedia ($src, $title=NULL, $align=NULL, $width=NULL,
709                            $height=NULL, $cache=NULL, $linking=NULL) {
710        global $conf;
711
712        $link = array();
713        $link['class']  = 'media';
714        $link['style']  = '';
715        $link['pre']    = '';
716        $link['suf']    = '';
717        $link['more']   = '';
718        $link['target'] = $conf['target']['media'];
719
720        $link['title']  = $this->_xmlEntities($src);
721        $link['url']    = ml($src,array('cache'=>$cache));
722        $link['name']   = $this->_media ($src, $title, $align, $width, $height, $cache);
723        $noLink = false;
724
725        list($ext,$mime) = mimetype($src);
726        if(substr($mime,0,5) == 'image'){
727             // link only jpeg images
728             // if ($ext != 'jpg' && $ext != 'jpeg') $noLink = true;
729        }elseif($mime == 'application/x-shockwave-flash'){
730             // don't link flash movies
731             $noLink = true;
732        }else{
733             // add file icons
734             $link['class'] .= ' mediafile mf_'.$ext;
735         }
736
737        //output formatted
738        if ($linking == 'nolink' || $noLink) $this->doc .= $link['name'];
739        else $this->doc .= $this->_formatLink($link);
740    }
741
742    /**
743     * Renders an RSS feed
744     *
745     * @author Andreas Gohr <andi@splitbrain.org>
746     */
747    function rss ($url,$params){
748        global $lang;
749        global $conf;
750
751        require_once(DOKU_INC.'inc/FeedParser.php');
752        $feed = new FeedParser();
753        $feed->feed_url($url);
754
755        //disable warning while fetching
756        if (!defined('DOKU_E_LEVEL')) { $elvl = error_reporting(E_ERROR); }
757        $rc = $feed->init();
758        if (!defined('DOKU_E_LEVEL')) { error_reporting($elvl); }
759
760        //decide on start and end
761        if($params['reverse']){
762            $mod = -1;
763            $start = $feed->get_item_quantity()-1;
764            $end   = $start - ($params['max']);
765            $end   = ($end < -1) ? -1 : $end;
766        }else{
767            $mod   = 1;
768            $start = 0;
769            $end   = $feed->get_item_quantity();
770            $end   = ($end > $params['max']) ? $params['max'] : $end;;
771        }
772
773        $this->doc .= '<ul class="rss">';
774        if($rc){
775            for ($x = $start; $x != $end; $x += $mod) {
776                $item = $feed->get_item($x);
777                $this->doc .= '<li><div class="li">';
778                $this->externallink($item->get_permalink(),
779                                    $item->get_title());
780                if($params['author']){
781                    $author = $item->get_author(0);
782                    if($author){
783                        $name = $author->get_name();
784                        if(!$name) $name = $author->get_email();
785                        if($name) $this->doc .= ' '.$lang['by'].' '.$name;
786                    }
787                }
788                if($params['date']){
789                    $this->doc .= ' ('.$item->get_date($conf['dformat']).')';
790                }
791                if($params['details']){
792                    $this->doc .= '<div class="detail">';
793                    if($htmlok){
794                        $this->doc .= $item->get_description();
795                    }else{
796                        $this->doc .= strip_tags($item->get_description());
797                    }
798                    $this->doc .= '</div>';
799                }
800
801                $this->doc .= '</div></li>';
802            }
803        }else{
804            $this->doc .= '<li><div class="li">';
805            $this->doc .= '<em>'.$lang['rssfailed'].'</em>';
806            $this->externallink($url);
807            $this->doc .= '</div></li>';
808        }
809        $this->doc .= '</ul>';
810    }
811
812    // $numrows not yet implemented
813    function table_open($maxcols = NULL, $numrows = NULL){
814        $this->doc .= '<table class="inline">'.DOKU_LF;
815    }
816
817    function table_close(){
818        $this->doc .= '</table>'.DOKU_LF;
819    }
820
821    function tablerow_open(){
822        $this->doc .= DOKU_TAB . '<tr>' . DOKU_LF . DOKU_TAB . DOKU_TAB;
823    }
824
825    function tablerow_close(){
826        $this->doc .= DOKU_LF . DOKU_TAB . '</tr>' . DOKU_LF;
827    }
828
829    function tableheader_open($colspan = 1, $align = NULL){
830        $this->doc .= '<th';
831        if ( !is_null($align) ) {
832            $this->doc .= ' class="'.$align.'align"';
833        }
834        if ( $colspan > 1 ) {
835            $this->doc .= ' colspan="'.$colspan.'"';
836        }
837        $this->doc .= '>';
838    }
839
840    function tableheader_close(){
841        $this->doc .= '</th>';
842    }
843
844    function tablecell_open($colspan = 1, $align = NULL){
845        $this->doc .= '<td';
846        if ( !is_null($align) ) {
847            $this->doc .= ' class="'.$align.'align"';
848        }
849        if ( $colspan > 1 ) {
850            $this->doc .= ' colspan="'.$colspan.'"';
851        }
852        $this->doc .= '>';
853    }
854
855    function tablecell_close(){
856        $this->doc .= '</td>';
857    }
858
859    //----------------------------------------------------------
860    // Utils
861
862    /**
863     * Build a link
864     *
865     * Assembles all parts defined in $link returns HTML for the link
866     *
867     * @author Andreas Gohr <andi@splitbrain.org>
868     */
869    function _formatLink($link){
870        //make sure the url is XHTML compliant (skip mailto)
871        if(substr($link['url'],0,7) != 'mailto:'){
872            $link['url'] = str_replace('&','&amp;',$link['url']);
873            $link['url'] = str_replace('&amp;amp;','&amp;',$link['url']);
874        }
875        //remove double encodings in titles
876        $link['title'] = str_replace('&amp;amp;','&amp;',$link['title']);
877
878        // be sure there are no bad chars in url or title
879        // (we can't do this for name because it can contain an img tag)
880        $link['url']   = strtr($link['url'],array('>'=>'%3E','<'=>'%3C','"'=>'%22'));
881        $link['title'] = strtr($link['title'],array('>'=>'&gt;','<'=>'&lt;','"'=>'&quot;'));
882
883        $ret  = '';
884        $ret .= $link['pre'];
885        $ret .= '<a href="'.$link['url'].'"';
886        if(!empty($link['class']))  $ret .= ' class="'.$link['class'].'"';
887        if(!empty($link['target'])) $ret .= ' target="'.$link['target'].'"';
888        if(!empty($link['title']))  $ret .= ' title="'.$link['title'].'"';
889        if(!empty($link['style']))  $ret .= ' style="'.$link['style'].'"';
890        if(!empty($link['more']))   $ret .= ' '.$link['more'];
891        $ret .= '>';
892        $ret .= $link['name'];
893        $ret .= '</a>';
894        $ret .= $link['suf'];
895        return $ret;
896    }
897
898    /**
899     * Renders internal and external media
900     *
901     * @author Andreas Gohr <andi@splitbrain.org>
902     */
903    function _media ($src, $title=NULL, $align=NULL, $width=NULL,
904                      $height=NULL, $cache=NULL) {
905
906        $ret = '';
907
908        list($ext,$mime) = mimetype($src);
909        if(substr($mime,0,5) == 'image'){
910            //add image tag
911            $ret .= '<img src="'.ml($src,array('w'=>$width,'h'=>$height,'cache'=>$cache)).'"';
912            $ret .= ' class="media'.$align.'"';
913
914            if (!is_null($title)) {
915                $ret .= ' title="'.$this->_xmlEntities($title).'"';
916                $ret .= ' alt="'.$this->_xmlEntities($title).'"';
917            }elseif($ext == 'jpg' || $ext == 'jpeg'){
918                //try to use the caption from IPTC/EXIF
919                require_once(DOKU_INC.'inc/JpegMeta.php');
920                $jpeg =& new JpegMeta(mediaFN($src));
921                if($jpeg !== false) $cap = $jpeg->getTitle();
922                if($cap){
923                    $ret .= ' title="'.$this->_xmlEntities($cap).'"';
924                    $ret .= ' alt="'.$this->_xmlEntities($cap).'"';
925                }
926            }else{
927                $ret .= ' alt=""';
928            }
929
930            if ( !is_null($width) )
931                $ret .= ' width="'.$this->_xmlEntities($width).'"';
932
933            if ( !is_null($height) )
934                $ret .= ' height="'.$this->_xmlEntities($height).'"';
935
936            $ret .= ' />';
937
938        }elseif($mime == 'application/x-shockwave-flash'){
939            $ret .= '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"'.
940                    ' codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0"';
941            if ( !is_null($width) ) $ret .= ' width="'.$this->_xmlEntities($width).'"';
942            if ( !is_null($height) ) $ret .= ' height="'.$this->_xmlEntities($height).'"';
943            $ret .= '>'.DOKU_LF;
944            $ret .= '<param name="movie" value="'.ml($src).'" />'.DOKU_LF;
945            $ret .= '<param name="quality" value="high" />'.DOKU_LF;
946            $ret .= '<embed src="'.ml($src).'"'.
947                    ' quality="high"';
948            if ( !is_null($width) ) $ret .= ' width="'.$this->_xmlEntities($width).'"';
949            if ( !is_null($height) ) $ret .= ' height="'.$this->_xmlEntities($height).'"';
950            $ret .= ' type="application/x-shockwave-flash"'.
951                    ' pluginspage="http://www.macromedia.com/go/getflashplayer"></embed>'.DOKU_LF;
952            $ret .= '</object>'.DOKU_LF;
953
954        }elseif($title){
955            // well at least we have a title to display
956            $ret .= $this->_xmlEntities($title);
957        }else{
958            // just show the sourcename
959            $ret .= $this->_xmlEntities(basename(noNS($src)));
960        }
961
962        return $ret;
963    }
964
965    function _xmlEntities($string) {
966        return htmlspecialchars($string,ENT_QUOTES,'UTF-8');
967    }
968
969    /**
970     * Creates a linkid from a headline
971     *
972     * @param string  $title   The headline title
973     * @param boolean $create  Create a new unique ID?
974     * @author Andreas Gohr <andi@splitbrain.org>
975     */
976    function _headerToLink($title,$create=false) {
977        $title = str_replace(':','',cleanID($title));
978        $title = ltrim($title,'0123456789._-');
979        if(empty($title)) $title='section';
980
981        if($create){
982            // make sure tiles are unique
983            $num = '';
984            while(in_array($title.$num,$this->headers)){
985                ($num) ? $num++ : $num = 1;
986            }
987            $title = $title.$num;
988            $this->headers[] = $title;
989        }
990
991        return $title;
992    }
993
994    /**
995     * Construct a title and handle images in titles
996     *
997     * @author Harry Fuecks <hfuecks@gmail.com>
998     */
999    function _getLinkTitle($title, $default, & $isImage, $id=NULL) {
1000        global $conf;
1001
1002        $isImage = false;
1003        if ( is_null($title) ) {
1004            if ($conf['useheading'] && $id) {
1005                $heading = p_get_first_heading($id,true);
1006                if ($heading) {
1007                    return $this->_xmlEntities($heading);
1008                }
1009            }
1010            return $this->_xmlEntities($default);
1011        } else if ( is_string($title) ) {
1012            return $this->_xmlEntities($title);
1013        } else if ( is_array($title) ) {
1014            $isImage = true;
1015            return $this->_imageTitle($title);
1016        }
1017    }
1018
1019    /**
1020     * Returns an HTML code for images used in link titles
1021     *
1022     * @todo Resolve namespace on internal images
1023     * @author Andreas Gohr <andi@splitbrain.org>
1024     */
1025    function _imageTitle($img) {
1026        return $this->_media($img['src'],
1027                              $img['title'],
1028                              $img['align'],
1029                              $img['width'],
1030                              $img['height'],
1031                              $img['cache']);
1032    }
1033}
1034
1035//Setup VIM: ex: et ts=4 enc=utf-8 :
1036