xref: /dokuwiki/inc/parser/xhtml.php (revision 71b40da27911263b852a9c60b0243b04e4802d08) 
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        global $lang;
445        $this->doc .= $lang['singlequoteopening'];
446    }
447
448    function singlequoteclosing() {
449        global $lang;
450        $this->doc .= $lang['singlequoteclosing'];
451    }
452
453    function doublequoteopening() {
454        global $lang;
455        $this->doc .= $lang['doublequoteopening'];
456    }
457
458    function doublequoteclosing() {
459        global $lang;
460        $this->doc .= $lang['doublequoteclosing'];
461    }
462
463    /**
464    */
465    function camelcaselink($link) {
466      $this->internallink($link,$link);
467    }
468
469
470    function locallink($hash, $name = NULL){
471        global $ID;
472        $name  = $this->_getLinkTitle($name, $hash, $isImage);
473        $hash  = $this->_headerToLink($hash);
474        $title = $ID.' &crarr;';
475        $this->doc .= '<a href="#'.$hash.'" title="'.$title.'" class="wikilink1">';
476        $this->doc .= $name;
477        $this->doc .= '</a>';
478    }
479
480    /**
481     * Render an internal Wiki Link
482     *
483     * $search and $returnonly are not for the renderer but are used
484     * elsewhere - no need to implement them in other renderers
485     *
486     * @author Andreas Gohr <andi@splitbrain.org>
487     */
488    function internallink($id, $name = NULL, $search=NULL,$returnonly=false) {
489        global $conf;
490        global $ID;
491        // default name is based on $id as given
492        $default = $this->_simpleTitle($id);
493        // now first resolve and clean up the $id
494        resolve_pageid(getNS($ID),$id,$exists);
495        $name = $this->_getLinkTitle($name, $default, $isImage, $id);
496        if ( !$isImage ) {
497            if ( $exists ) {
498                $class='wikilink1';
499            } else {
500                $class='wikilink2';
501            }
502        } else {
503            $class='media';
504        }
505
506        //keep hash anchor
507        list($id,$hash) = explode('#',$id,2);
508
509        //prepare for formating
510        $link['target'] = $conf['target']['wiki'];
511        $link['style']  = '';
512        $link['pre']    = '';
513        $link['suf']    = '';
514        // highlight link to current page
515        if ($id == $ID) {
516            $link['pre']    = '<span class="curid">';
517            $link['suf']    = '</span>';
518        }
519        $link['more']   = '';
520        $link['class']  = $class;
521        $link['url']    = wl($id);
522        $link['name']   = $name;
523        $link['title']  = $id;
524        //add search string
525        if($search){
526            ($conf['userewrite']) ? $link['url'].='?s=' : $link['url'].='&amp;s=';
527            $link['url'] .= rawurlencode($search);
528        }
529
530        //keep hash
531        if($hash) $link['url'].='#'.$hash;
532
533        //output formatted
534        if($returnonly){
535            return $this->_formatLink($link);
536        }else{
537            $this->doc .= $this->_formatLink($link);
538        }
539    }
540
541    function externallink($url, $name = NULL) {
542        global $conf;
543
544        $name = $this->_getLinkTitle($name, $url, $isImage);
545
546        if ( !$isImage ) {
547            $class='urlextern';
548        } else {
549            $class='media';
550        }
551
552        //prepare for formating
553        $link['target'] = $conf['target']['extern'];
554        $link['style']  = '';
555        $link['pre']    = '';
556        $link['suf']    = '';
557        $link['more']   = '';
558        $link['class']  = $class;
559        $link['url']    = $url;
560
561        $link['name']   = $name;
562        $link['title']  = $this->_xmlEntities($url);
563        if($conf['relnofollow']) $link['more'] .= ' rel="nofollow"';
564
565        //output formatted
566        $this->doc .= $this->_formatLink($link);
567    }
568
569    /**
570    */
571    function interwikilink($match, $name = NULL, $wikiName, $wikiUri) {
572        global $conf;
573
574        $link = array();
575        $link['target'] = $conf['target']['interwiki'];
576        $link['pre']    = '';
577        $link['suf']    = '';
578        $link['more']   = '';
579        $link['name']   = $this->_getLinkTitle($name, $wikiUri, $isImage);
580
581        //get interwiki URL
582        $url = $this-> _resolveInterWiki($wikiName,$wikiUri);
583
584        if ( !$isImage ) {
585            $class = preg_replace('/[^_\-a-z0-9]+/i','_',$wikiName);
586            $link['class'] = "interwiki iw_$class";
587        } else {
588            $link['class'] = 'media';
589        }
590
591        //do we stay at the same server? Use local target
592        if( strpos($url,DOKU_URL) === 0 ){
593            $link['target'] = $conf['target']['wiki'];
594        }
595
596        $link['url'] = $url;
597        $link['title'] = htmlspecialchars($link['url']);
598
599        //output formatted
600        $this->doc .= $this->_formatLink($link);
601    }
602
603    /**
604     */
605    function windowssharelink($url, $name = NULL) {
606        global $conf;
607        global $lang;
608        //simple setup
609        $link['target'] = $conf['target']['windows'];
610        $link['pre']    = '';
611        $link['suf']   = '';
612        $link['style']  = '';
613        //Display error on browsers other than IE
614        $link['more'] = 'onclick="if(document.all == null){alert(\''.
615                        $this->_xmlEntities($lang['nosmblinks'],ENT_QUOTES).
616                        '\');}" onkeypress="if(document.all == null){alert(\''.
617                        $this->_xmlEntities($lang['nosmblinks'],ENT_QUOTES).'\');}"';
618
619        $link['name'] = $this->_getLinkTitle($name, $url, $isImage);
620        if ( !$isImage ) {
621            $link['class'] = 'windows';
622        } else {
623            $link['class'] = 'media';
624        }
625
626
627        $link['title'] = $this->_xmlEntities($url);
628        $url = str_replace('\\','/',$url);
629        $url = 'file:///'.$url;
630        $link['url'] = $url;
631
632        //output formatted
633        $this->doc .= $this->_formatLink($link);
634    }
635
636    function emaillink($address, $name = NULL) {
637        global $conf;
638        //simple setup
639        $link = array();
640        $link['target'] = '';
641        $link['pre']    = '';
642        $link['suf']   = '';
643        $link['style']  = '';
644        $link['more']   = '';
645
646        $name = $this->_getLinkTitle($name, '', $isImage);
647        if ( !$isImage ) {
648            $link['class']='mail JSnocheck';
649        } else {
650            $link['class']='media JSnocheck';
651        }
652
653        $address = $this->_xmlEntities($address);
654        $address = obfuscate($address);
655        $title   = $address;
656
657        if(empty($name)){
658            $name = $address;
659        }
660#elseif($isImage{
661#            $name = $this->_xmlEntities($name);
662#        }
663
664        if($conf['mailguard'] == 'visible') $address = rawurlencode($address);
665
666        $link['url']   = 'mailto:'.$address;
667        $link['name']  = $name;
668        $link['title'] = $title;
669
670        //output formatted
671        $this->doc .= $this->_formatLink($link);
672    }
673
674    function internalmedia ($src, $title=NULL, $align=NULL, $width=NULL,
675                            $height=NULL, $cache=NULL, $linking=NULL) {
676        global $conf;
677        global $ID;
678        resolve_mediaid(getNS($ID),$src, $exists);
679
680        $link = array();
681        $link['class']  = 'media';
682        $link['style']  = '';
683        $link['pre']    = '';
684        $link['suf']    = '';
685        $link['more']   = '';
686        $link['target'] = $conf['target']['media'];
687        $noLink = false;
688
689        $link['title']  = $this->_xmlEntities($src);
690        list($ext,$mime) = mimetype($src);
691        if(substr($mime,0,5) == 'image'){
692             $link['url'] = ml($src,array('id'=>$ID,'cache'=>$cache),($linking=='direct'));
693         }elseif($mime == 'application/x-shockwave-flash'){
694             // don't link flash movies
695             $noLink = true;
696         }else{
697             // add file icons
698             $class = preg_replace('/[^_\-a-z0-9]+/i','_',$ext);
699             $link['class'] .= ' mediafile mf_'.$class;
700             $link['url'] = ml($src,array('id'=>$ID,'cache'=>$cache),true);
701         }
702         $link['name']   = $this->_media ($src, $title, $align, $width, $height, $cache);
703
704         //output formatted
705         if ($linking == 'nolink' || $noLink) $this->doc .= $link['name'];
706         else $this->doc .= $this->_formatLink($link);
707    }
708
709    /**
710     * @todo don't add link for flash
711     */
712    function externalmedia ($src, $title=NULL, $align=NULL, $width=NULL,
713                            $height=NULL, $cache=NULL, $linking=NULL) {
714        global $conf;
715
716        $link = array();
717        $link['class']  = 'media';
718        $link['style']  = '';
719        $link['pre']    = '';
720        $link['suf']    = '';
721        $link['more']   = '';
722        $link['target'] = $conf['target']['media'];
723
724        $link['title']  = $this->_xmlEntities($src);
725        $link['url']    = ml($src,array('cache'=>$cache));
726        $link['name']   = $this->_media ($src, $title, $align, $width, $height, $cache);
727        $noLink = false;
728
729        list($ext,$mime) = mimetype($src);
730        if(substr($mime,0,5) == 'image'){
731             // link only jpeg images
732             // if ($ext != 'jpg' && $ext != 'jpeg') $noLink = true;
733        }elseif($mime == 'application/x-shockwave-flash'){
734             // don't link flash movies
735             $noLink = true;
736        }else{
737             // add file icons
738             $link['class'] .= ' mediafile mf_'.$ext;
739         }
740
741        //output formatted
742        if ($linking == 'nolink' || $noLink) $this->doc .= $link['name'];
743        else $this->doc .= $this->_formatLink($link);
744    }
745
746    /**
747     * Renders an RSS feed
748     *
749     * @author Andreas Gohr <andi@splitbrain.org>
750     */
751    function rss ($url,$params){
752        global $lang;
753        global $conf;
754
755        require_once(DOKU_INC.'inc/FeedParser.php');
756        $feed = new FeedParser();
757        $feed->feed_url($url);
758
759        //disable warning while fetching
760        if (!defined('DOKU_E_LEVEL')) { $elvl = error_reporting(E_ERROR); }
761        $rc = $feed->init();
762        if (!defined('DOKU_E_LEVEL')) { error_reporting($elvl); }
763
764        //decide on start and end
765        if($params['reverse']){
766            $mod = -1;
767            $start = $feed->get_item_quantity()-1;
768            $end   = $start - ($params['max']);
769            $end   = ($end < -1) ? -1 : $end;
770        }else{
771            $mod   = 1;
772            $start = 0;
773            $end   = $feed->get_item_quantity();
774            $end   = ($end > $params['max']) ? $params['max'] : $end;;
775        }
776
777        $this->doc .= '<ul class="rss">';
778        if($rc){
779            for ($x = $start; $x != $end; $x += $mod) {
780                $item = $feed->get_item($x);
781                $this->doc .= '<li><div class="li">';
782                $this->externallink($item->get_permalink(),
783                                    $item->get_title());
784                if($params['author']){
785                    $author = $item->get_author(0);
786                    if($author){
787                        $name = $author->get_name();
788                        if(!$name) $name = $author->get_email();
789                        if($name) $this->doc .= ' '.$lang['by'].' '.$name;
790                    }
791                }
792                if($params['date']){
793                    $this->doc .= ' ('.$item->get_date($conf['dformat']).')';
794                }
795                if($params['details']){
796                    $this->doc .= '<div class="detail">';
797                    if($htmlok){
798                        $this->doc .= $item->get_description();
799                    }else{
800                        $this->doc .= strip_tags($item->get_description());
801                    }
802                    $this->doc .= '</div>';
803                }
804
805                $this->doc .= '</div></li>';
806            }
807        }else{
808            $this->doc .= '<li><div class="li">';
809            $this->doc .= '<em>'.$lang['rssfailed'].'</em>';
810            $this->externallink($url);
811            $this->doc .= '</div></li>';
812        }
813        $this->doc .= '</ul>';
814    }
815
816    // $numrows not yet implemented
817    function table_open($maxcols = NULL, $numrows = NULL){
818        $this->doc .= '<table class="inline">'.DOKU_LF;
819    }
820
821    function table_close(){
822        $this->doc .= '</table>'.DOKU_LF;
823    }
824
825    function tablerow_open(){
826        $this->doc .= DOKU_TAB . '<tr>' . DOKU_LF . DOKU_TAB . DOKU_TAB;
827    }
828
829    function tablerow_close(){
830        $this->doc .= DOKU_LF . DOKU_TAB . '</tr>' . DOKU_LF;
831    }
832
833    function tableheader_open($colspan = 1, $align = NULL){
834        $this->doc .= '<th';
835        if ( !is_null($align) ) {
836            $this->doc .= ' class="'.$align.'align"';
837        }
838        if ( $colspan > 1 ) {
839            $this->doc .= ' colspan="'.$colspan.'"';
840        }
841        $this->doc .= '>';
842    }
843
844    function tableheader_close(){
845        $this->doc .= '</th>';
846    }
847
848    function tablecell_open($colspan = 1, $align = NULL){
849        $this->doc .= '<td';
850        if ( !is_null($align) ) {
851            $this->doc .= ' class="'.$align.'align"';
852        }
853        if ( $colspan > 1 ) {
854            $this->doc .= ' colspan="'.$colspan.'"';
855        }
856        $this->doc .= '>';
857    }
858
859    function tablecell_close(){
860        $this->doc .= '</td>';
861    }
862
863    //----------------------------------------------------------
864    // Utils
865
866    /**
867     * Build a link
868     *
869     * Assembles all parts defined in $link returns HTML for the link
870     *
871     * @author Andreas Gohr <andi@splitbrain.org>
872     */
873    function _formatLink($link){
874        //make sure the url is XHTML compliant (skip mailto)
875        if(substr($link['url'],0,7) != 'mailto:'){
876            $link['url'] = str_replace('&','&amp;',$link['url']);
877            $link['url'] = str_replace('&amp;amp;','&amp;',$link['url']);
878        }
879        //remove double encodings in titles
880        $link['title'] = str_replace('&amp;amp;','&amp;',$link['title']);
881
882        // be sure there are no bad chars in url or title
883        // (we can't do this for name because it can contain an img tag)
884        $link['url']   = strtr($link['url'],array('>'=>'%3E','<'=>'%3C','"'=>'%22'));
885        $link['title'] = strtr($link['title'],array('>'=>'&gt;','<'=>'&lt;','"'=>'&quot;'));
886
887        $ret  = '';
888        $ret .= $link['pre'];
889        $ret .= '<a href="'.$link['url'].'"';
890        if(!empty($link['class']))  $ret .= ' class="'.$link['class'].'"';
891        if(!empty($link['target'])) $ret .= ' target="'.$link['target'].'"';
892        if(!empty($link['title']))  $ret .= ' title="'.$link['title'].'"';
893        if(!empty($link['style']))  $ret .= ' style="'.$link['style'].'"';
894        if(!empty($link['more']))   $ret .= ' '.$link['more'];
895        $ret .= '>';
896        $ret .= $link['name'];
897        $ret .= '</a>';
898        $ret .= $link['suf'];
899        return $ret;
900    }
901
902    /**
903     * Renders internal and external media
904     *
905     * @author Andreas Gohr <andi@splitbrain.org>
906     */
907    function _media ($src, $title=NULL, $align=NULL, $width=NULL,
908                      $height=NULL, $cache=NULL) {
909
910        $ret = '';
911
912        list($ext,$mime) = mimetype($src);
913        if(substr($mime,0,5) == 'image'){
914            //add image tag
915            $ret .= '<img src="'.ml($src,array('w'=>$width,'h'=>$height,'cache'=>$cache)).'"';
916            $ret .= ' class="media'.$align.'"';
917
918            if (!is_null($title)) {
919                $ret .= ' title="'.$this->_xmlEntities($title).'"';
920                $ret .= ' alt="'.$this->_xmlEntities($title).'"';
921            }elseif($ext == 'jpg' || $ext == 'jpeg'){
922                //try to use the caption from IPTC/EXIF
923                require_once(DOKU_INC.'inc/JpegMeta.php');
924                $jpeg =& new JpegMeta(mediaFN($src));
925                if($jpeg !== false) $cap = $jpeg->getTitle();
926                if($cap){
927                    $ret .= ' title="'.$this->_xmlEntities($cap).'"';
928                    $ret .= ' alt="'.$this->_xmlEntities($cap).'"';
929                }
930            }else{
931                $ret .= ' alt=""';
932            }
933
934            if ( !is_null($width) )
935                $ret .= ' width="'.$this->_xmlEntities($width).'"';
936
937            if ( !is_null($height) )
938                $ret .= ' height="'.$this->_xmlEntities($height).'"';
939
940            $ret .= ' />';
941
942        }elseif($mime == 'application/x-shockwave-flash'){
943            $ret .= '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"'.
944                    ' codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0"';
945            if ( !is_null($width) ) $ret .= ' width="'.$this->_xmlEntities($width).'"';
946            if ( !is_null($height) ) $ret .= ' height="'.$this->_xmlEntities($height).'"';
947            $ret .= '>'.DOKU_LF;
948            $ret .= '<param name="movie" value="'.ml($src).'" />'.DOKU_LF;
949            $ret .= '<param name="quality" value="high" />'.DOKU_LF;
950            $ret .= '<embed src="'.ml($src).'"'.
951                    ' quality="high"';
952            if ( !is_null($width) ) $ret .= ' width="'.$this->_xmlEntities($width).'"';
953            if ( !is_null($height) ) $ret .= ' height="'.$this->_xmlEntities($height).'"';
954            $ret .= ' type="application/x-shockwave-flash"'.
955                    ' pluginspage="http://www.macromedia.com/go/getflashplayer"></embed>'.DOKU_LF;
956            $ret .= '</object>'.DOKU_LF;
957
958        }elseif($title){
959            // well at least we have a title to display
960            $ret .= $this->_xmlEntities($title);
961        }else{
962            // just show the sourcename
963            $ret .= $this->_xmlEntities(basename(noNS($src)));
964        }
965
966        return $ret;
967    }
968
969    function _xmlEntities($string) {
970        return htmlspecialchars($string,ENT_QUOTES,'UTF-8');
971    }
972
973    /**
974     * Creates a linkid from a headline
975     *
976     * @param string  $title   The headline title
977     * @param boolean $create  Create a new unique ID?
978     * @author Andreas Gohr <andi@splitbrain.org>
979     */
980    function _headerToLink($title,$create=false) {
981        $title = str_replace(':','',cleanID($title));
982        $title = ltrim($title,'0123456789._-');
983        if(empty($title)) $title='section';
984
985        if($create){
986            // make sure tiles are unique
987            $num = '';
988            while(in_array($title.$num,$this->headers)){
989                ($num) ? $num++ : $num = 1;
990            }
991            $title = $title.$num;
992            $this->headers[] = $title;
993        }
994
995        return $title;
996    }
997
998    /**
999     * Construct a title and handle images in titles
1000     *
1001     * @author Harry Fuecks <hfuecks@gmail.com>
1002     */
1003    function _getLinkTitle($title, $default, & $isImage, $id=NULL) {
1004        global $conf;
1005
1006        $isImage = false;
1007        if ( is_null($title) ) {
1008            if ($conf['useheading'] && $id) {
1009                $heading = p_get_first_heading($id,true);
1010                if ($heading) {
1011                    return $this->_xmlEntities($heading);
1012                }
1013            }
1014            return $this->_xmlEntities($default);
1015        } else if ( is_string($title) ) {
1016            return $this->_xmlEntities($title);
1017        } else if ( is_array($title) ) {
1018            $isImage = true;
1019            return $this->_imageTitle($title);
1020        }
1021    }
1022
1023    /**
1024     * Returns an HTML code for images used in link titles
1025     *
1026     * @todo Resolve namespace on internal images
1027     * @author Andreas Gohr <andi@splitbrain.org>
1028     */
1029    function _imageTitle($img) {
1030        return $this->_media($img['src'],
1031                              $img['title'],
1032                              $img['align'],
1033                              $img['width'],
1034                              $img['height'],
1035                              $img['cache']);
1036    }
1037}
1038
1039//Setup VIM: ex: et ts=4 enc=utf-8 :
1040