xref: /dokuwiki/inc/parser/xhtml.php (revision 7367b36877bca568d785e01be802652b6a719884) 
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';
22
23/**
24 * The Renderer
25 */
26class Doku_Renderer_xhtml extends Doku_Renderer {
27
28    var $doc = '';
29
30    var $headers = array();
31
32    var $footnotes = array();
33
34    var $acronyms = array();
35    var $smileys = array();
36    var $badwords = array();
37    var $entities = array();
38    var $interwiki = array();
39
40    var $lastsec = 0;
41
42    var $store = '';
43
44    function document_start() {
45    }
46
47    function document_end() {
48        // add button for last section if any and more than one
49        if($this->lastsec > 1) $this->_secedit($this->lastsec,'');
50
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
86    function toc_open() {
87        global $lang;
88        $this->doc .= '<div class="toc">'.DOKU_LF;
89        $this->doc .= '<div class="tocheader">';
90        $this->doc .= ' <script type="text/javascript">showTocToggle("+","-")</script>';
91        $this->doc .= $lang['toc'];
92        $this->doc .= '</div>'.DOKU_LF;
93        $this->doc .= '<div id="tocinside">'.DOKU_LF;
94    }
95
96    function tocbranch_open($level) {
97        $this->doc .= '<ul class="toc">'.DOKU_LF;
98    }
99
100    function tocitem_open($level, $empty = FALSE) {
101        if ( !$empty ) {
102            $this->doc .= '<li class="level'.$level.'">';
103        } else {
104            $this->doc .= '<li class="clear">';
105        }
106    }
107
108    function tocelement($level, $title) {
109        $this->doc .= '<span class="li"><a href="#'.$this->_headerToLink($title).'" class="toc">';
110        $this->doc .= $this->_xmlEntities($title);
111        $this->doc .= '</a></span>';
112    }
113
114    function tocitem_close($level) {
115        $this->doc .= '</li>'.DOKU_LF;
116    }
117
118    function tocbranch_close($level) {
119        $this->doc .= '</ul>'.DOKU_LF;
120    }
121
122    function toc_close() {
123        $this->doc .= '</div>'.DOKU_LF.'</div>'.DOKU_LF;
124    }
125
126    function header($text, $level, $pos) {
127        global $conf;
128        //handle section editing
129        if($level <= $conf['maxseclevel']){
130            // add button for last section if any
131            if($this->lastsec) $this->_secedit($this->lastsec,$pos-1);
132            // remember current position
133            $this->lastsec = $pos;
134        }
135
136        $this->doc .= DOKU_LF.'<a name="'.$this->_headerToLink($text).'"></a><h'.$level.'>';
137        $this->doc .= $this->_xmlEntities($text);
138        $this->doc .= "</h$level>".DOKU_LF;
139    }
140
141    function section_open($level) {
142        $this->doc .= "<div class=\"level$level\">".DOKU_LF;
143    }
144
145    function section_close() {
146        $this->doc .= DOKU_LF.'</div>'.DOKU_LF;
147    }
148
149    function cdata($text) {
150        $this->doc .= $this->_xmlEntities($text);
151    }
152
153    function p_open() {
154        $this->doc .= DOKU_LF.'<p>'.DOKU_LF;
155    }
156
157    function p_close() {
158        $this->doc .= DOKU_LF.'</p>'.DOKU_LF;
159    }
160
161    function linebreak() {
162        $this->doc .= '<br/>'.DOKU_LF;
163    }
164
165    function hr() {
166        $this->doc .= '<hr noshade="noshade" size="1" />'.DOKU_LF;
167    }
168
169    function strong_open() {
170        $this->doc .= '<strong>';
171    }
172
173    function strong_close() {
174        $this->doc .= '</strong>';
175    }
176
177    function emphasis_open() {
178        $this->doc .= '<em>';
179    }
180
181    function emphasis_close() {
182        $this->doc .= '</em>';
183    }
184
185    function underline_open() {
186        $this->doc .= '<u>';
187    }
188
189    function underline_close() {
190        $this->doc .= '</u>';
191    }
192
193    function monospace_open() {
194        $this->doc .= '<code>';
195    }
196
197    function monospace_close() {
198        $this->doc .= '</code>';
199    }
200
201    function subscript_open() {
202        $this->doc .= '<sub>';
203    }
204
205    function subscript_close() {
206        $this->doc .= '</sub>';
207    }
208
209    function superscript_open() {
210        $this->doc .= '<sup>';
211    }
212
213    function superscript_close() {
214        $this->doc .= '</sup>';
215    }
216
217    function deleted_open() {
218        $this->doc .= '<del>';
219    }
220
221    function deleted_close() {
222        $this->doc .= '</del>';
223    }
224
225    /**
226     * Callback for footnote start syntax
227     *
228     * All following content will go to the footnote instead of
229     * the document. To achieve this the previous rendered content
230     * is moved to $store and $doc is cleared
231     *
232     * @author Andreas Gohr <andi@splitbrain.org>
233     */
234    function footnote_open() {
235
236        // move current content to store and record footnote
237        $this->store = $this->doc;
238        $this->doc   = '';
239    }
240
241    /**
242     * Callback for footnote end syntax
243     *
244     * All rendered content is moved to the $footnotes array and the old
245     * content is restored from $store again
246     *
247     * @author Andreas Gohr
248     */
249    function footnote_close() {
250
251        // recover footnote into the stack and restore old content
252        $footnote = $this->doc;
253        $this->doc = $this->store;
254        $this->store = '';
255
256        // check to see if this footnote has been seen before
257        $i = array_search($footnote, $this->footnotes);
258
259        if ($i === false) {
260            // its a new footnote, add it to the $footnotes array
261            $id = count($this->footnotes)+1;
262            $this->footnotes[count($this->footnotes)] = $footnote;
263        } else {
264            // seen this one before, translate the index to an id and save a placeholder
265            $i++;
266            $id = count($this->footnotes)+1;
267            $this->footnotes[count($this->footnotes)] = "@@FNT".($i);
268        }
269
270        // output the footnote reference and link, incl. onmouseover for insitu footnote popup
271        $this->doc .= '<a href="#fn'.$id.'" name="fnt'.$id.'" class="fn_top" onmouseover="fnt(\''.$id.'\', this, event);">'.$id.')</a>';
272    }
273
274    function listu_open() {
275        $this->doc .= '<ul>'.DOKU_LF;
276    }
277
278    function listu_close() {
279        $this->doc .= '</ul>'.DOKU_LF;
280    }
281
282    function listo_open() {
283        $this->doc .= '<ol>'.DOKU_LF;
284    }
285
286    function listo_close() {
287        $this->doc .= '</ol>'.DOKU_LF;
288    }
289
290    function listitem_open($level) {
291        $this->doc .= '<li class="level'.$level.'">';
292    }
293
294    function listitem_close() {
295        $this->doc .= '</li>'.DOKU_LF;
296    }
297
298    function listcontent_open() {
299        $this->doc .= '<div class="li">';
300    }
301
302    function listcontent_close() {
303        $this->doc .= '</div>'.DOKU_LF;
304    }
305
306    function unformatted($text) {
307        $this->doc .= $this->_xmlEntities($text);
308    }
309
310    /**
311     * Execute PHP code if allowed
312     *
313     * @author Andreas Gohr <andi@splitbrain.org>
314     */
315    function php($text) {
316        global $conf;
317        if($conf['phpok']){
318            ob_start();
319            eval($text);
320            $this->doc .= ob_get_contents();
321            ob_end_clean();
322        }else{
323            $this->file($text);
324        }
325    }
326
327    /**
328     * Insert HTML if allowed
329     *
330     * @author Andreas Gohr <andi@splitbrain.org>
331     */
332    function html($text) {
333        global $conf;
334        if($conf['htmlok']){
335          $this->doc .= $text;
336        }else{
337          $this->file($text);
338        }
339    }
340
341    function preformatted($text) {
342        $this->doc .= '<pre class="code">' . $this->_xmlEntities($text) . '</pre>'. DOKU_LF;
343    }
344
345    function file($text) {
346        $this->doc .= '<pre class="file">' . $this->_xmlEntities($text). '</pre>'. DOKU_LF;
347    }
348
349    function quote_open() {
350        $this->doc .= '<blockquote>'.DOKU_LF;
351    }
352
353    function quote_close() {
354        $this->doc .= '</blockquote>'.DOKU_LF;
355    }
356
357    /**
358     * Callback for code text
359     *
360     * Uses GeSHi to highlight language syntax
361     *
362     * @author Andreas Gohr <andi@splitbrain.org>
363     */
364    function code($text, $language = NULL) {
365        global $conf;
366
367        if ( is_null($language) ) {
368            $this->preformatted($text);
369        } else {
370            //strip leading blank line
371            $text = preg_replace('/^\s*?\n/','',$text);
372            // Handle with Geshi here
373            require_once(DOKU_INC . 'inc/geshi.php');
374            $geshi = new GeSHi($text, strtolower($language), DOKU_INC . 'inc/geshi');
375            $geshi->set_encoding('utf-8');
376            $geshi->enable_classes();
377            $geshi->set_header_type(GESHI_HEADER_PRE);
378            $geshi->set_overall_class("code $language");
379            $geshi->set_link_target($conf['target']['extern']);
380
381            $text = $geshi->parse_code();
382            $this->doc .= $text;
383        }
384    }
385
386    function acronym($acronym) {
387
388        if ( array_key_exists($acronym, $this->acronyms) ) {
389
390            $title = $this->_xmlEntities($this->acronyms[$acronym]);
391
392            $this->doc .= '<acronym title="'.$title
393                .'">'.$this->_xmlEntities($acronym).'</acronym>';
394
395        } else {
396            $this->doc .= $this->_xmlEntities($acronym);
397        }
398    }
399
400    function smiley($smiley) {
401        if ( array_key_exists($smiley, $this->smileys) ) {
402            $title = $this->_xmlEntities($this->smileys[$smiley]);
403            $this->doc .= '<img src="'.DOKU_BASE.'lib/images/smileys/'.$this->smileys[$smiley].
404                '" align="middle" alt="'.
405                    $this->_xmlEntities($smiley).'" />';
406        } else {
407            $this->doc .= $this->_xmlEntities($smiley);
408        }
409    }
410
411    /*
412    * not used
413    function wordblock($word) {
414        if ( array_key_exists($word, $this->badwords) ) {
415            $this->doc .= '** BLEEP **';
416        } else {
417            $this->doc .= $this->_xmlEntities($word);
418        }
419    }
420    */
421
422    function entity($entity) {
423        if ( array_key_exists($entity, $this->entities) ) {
424            $this->doc .= $this->entities[$entity];
425        } else {
426            $this->doc .= $this->_xmlEntities($entity);
427        }
428    }
429
430    function multiplyentity($x, $y) {
431        $this->doc .= "$x&times;$y";
432    }
433
434    function singlequoteopening() {
435        $this->doc .= "&lsquo;";
436    }
437
438    function singlequoteclosing() {
439        $this->doc .= "&rsquo;";
440    }
441
442    function doublequoteopening() {
443        $this->doc .= "&ldquo;";
444    }
445
446    function doublequoteclosing() {
447        $this->doc .= "&rdquo;";
448    }
449
450    /**
451    */
452    function camelcaselink($link) {
453      $this->internallink($link,$link);
454    }
455
456
457    function locallink($hash, $name = NULL){
458        global $ID;
459        $name  = $this->_getLinkTitle($name, $hash, $isImage);
460        $hash  = $this->_headerToLink($hash);
461        $title = $ID.' &crarr;';
462        $this->doc .= '<a href="#'.$hash.'" title="'.$title.'" class="wikilink1">';
463        $this->doc .= $name;
464        $this->doc .= '</a>';
465    }
466
467    /**
468     * Render an internal Wiki Link
469     *
470     * $search and $returnonly are not for the renderer but are used
471     * elsewhere - no need to implement them in other renderers
472     *
473     * @author Andreas Gohr <andi@splitbrain.org>
474     */
475    function internallink($id, $name = NULL, $search=NULL,$returnonly=false) {
476        global $conf;
477        global $ID;
478        // default name is based on $id as given
479        $default = $this->_simpleTitle($id);
480        // now first resolve and clean up the $id
481        resolve_pageid(getNS($ID),$id,$exists);
482        $name = $this->_getLinkTitle($name, $default, $isImage, $id);
483        if ( !$isImage ) {
484            if ( $exists ) {
485                $class='wikilink1';
486            } else {
487                $class='wikilink2';
488            }
489        } else {
490            $class='media';
491        }
492
493        //keep hash anchor
494        list($id,$hash) = split('#',$id,2);
495
496        //prepare for formating
497        $link['target'] = $conf['target']['wiki'];
498        $link['style']  = '';
499        $link['pre']    = '';
500        $link['suf']    = '';
501        // highlight link to current page
502        if ($id == $ID) {
503            $link['pre']    = '<span class="curid">';
504            $link['suf']    = '</span>';
505        }
506        $link['more']   = 'onclick="return svchk()" onkeypress="return svchk()"';
507        $link['class']  = $class;
508        $link['url']    = wl($id);
509        $link['name']   = $name;
510        $link['title']  = $id;
511        //add search string
512        if($search){
513            ($conf['userewrite']) ? $link['url'].='?s=' : $link['url'].='&amp;s=';
514            $link['url'] .= urlencode($search);
515        }
516
517        //keep hash
518        if($hash) $link['url'].='#'.$hash;
519
520        //output formatted
521        if($returnonly){
522            return $this->_formatLink($link);
523        }else{
524            $this->doc .= $this->_formatLink($link);
525        }
526    }
527
528    function externallink($url, $name = NULL) {
529        global $conf;
530
531        $name = $this->_getLinkTitle($name, $url, $isImage);
532
533        // add protocol on simple short URLs
534        if(substr($url,0,3) == 'ftp' && (substr($url,0,6) != 'ftp://')) $url = 'ftp://'.$url;
535        if(substr($url,0,3) == 'www') $url = 'http://'.$url;
536
537        if ( !$isImage ) {
538            $class='urlextern';
539        } else {
540            $class='media';
541        }
542
543        //prepare for formating
544        $link['target'] = $conf['target']['extern'];
545        $link['style']  = '';
546        $link['pre']    = '';
547        $link['suf']    = '';
548        $link['more']   = 'onclick="return svchk()" onkeypress="return svchk()"';
549        $link['class']  = $class;
550        $link['url']    = $url;
551        $link['name']   = $name;
552        $link['title']  = $this->_xmlEntities($url);
553        if($conf['relnofollow']) $link['more'] .= ' rel="nofollow"';
554
555        //output formatted
556        $this->doc .= $this->_formatLink($link);
557    }
558
559    /**
560    */
561    function interwikilink($match, $name = NULL, $wikiName, $wikiUri) {
562        global $conf;
563
564        $link = array();
565        $link['target'] = $conf['target']['interwiki'];
566        $link['pre']    = '';
567        $link['suf']    = '';
568        $link['more']   = 'onclick="return svchk()" onkeypress="return svchk()"';
569        $link['name']   = $this->_getLinkTitle($name, $wikiUri, $isImage);
570
571        if ( !$isImage ) {
572            $link['class'] = 'interwiki';
573        } else {
574            $link['class'] = 'media';
575        }
576
577        //get interwiki URL
578        if ( isset($this->interwiki[$wikiName]) ) {
579            $url = $this->interwiki[$wikiName];
580        } else {
581            // Default to Google I'm feeling lucky
582            $url = 'http://www.google.com/search?q={URL}&amp;btnI=lucky';
583            $wikiName = 'go';
584        }
585
586        if(!$isImage){
587            //if ico exists set additional style
588            if(@file_exists(DOKU_INC.'lib/images/interwiki/'.$wikiName.'.png')){
589                $link['style']='background-image: url('.DOKU_BASE.'lib/images/interwiki/'.$wikiName.'.png)';
590            }elseif(@file_exists(DOKU_INC.'lib/images/interwiki/'.$wikiName.'.gif')){
591                $link['style']='background-image: url('.DOKU_BASE.'lib/images/interwiki/'.$wikiName.'.gif)';
592            }
593        }
594
595        //do we stay at the same server? Use local target
596        if( strpos($url,DOKU_URL) === 0 ){
597            $link['target'] = $conf['target']['wiki'];
598        }
599
600        //replace placeholder
601        if(preg_match('#\{(URL|NAME|SCHEME|HOST|PORT|PATH|QUERY)\}#',$url)){
602            //use placeholders
603            $url = str_replace('{URL}',urlencode($wikiUri),$url);
604            $url = str_replace('{NAME}',$wikiUri,$url);
605            $parsed = parse_url($wikiUri);
606            if(!$parsed['port']) $parsed['port'] = 80;
607            $url = str_replace('{SCHEME}',$parsed['scheme'],$url);
608            $url = str_replace('{HOST}',$parsed['host'],$url);
609            $url = str_replace('{PORT}',$parsed['port'],$url);
610            $url = str_replace('{PATH}',$parsed['path'],$url);
611            $url = str_replace('{QUERY}',$parsed['query'],$url);
612            $link['url'] = $url;
613        }else{
614            //default
615            $link['url'] = $url.urlencode($wikiUri);
616        }
617
618        $link['title'] = htmlspecialchars($link['url']);
619
620        //output formatted
621        $this->doc .= $this->_formatLink($link);
622    }
623
624    /**
625     */
626    function windowssharelink($url, $name = NULL) {
627        global $conf;
628        global $lang;
629        //simple setup
630        $link['target'] = $conf['target']['windows'];
631        $link['pre']    = '';
632        $link['suf']   = '';
633        $link['style']  = '';
634        //Display error on browsers other than IE
635        $link['more'] = 'onclick="if(document.all == null){alert(\''.
636                        $this->_xmlEntities($lang['nosmblinks'],ENT_QUOTES).
637                        '\');}" onkeypress="if(document.all == null){alert(\''.
638                        $this->_xmlEntities($lang['nosmblinks'],ENT_QUOTES).'\');}"';
639
640        $link['name'] = $this->_getLinkTitle($name, $url, $isImage);
641        if ( !$isImage ) {
642            $link['class'] = 'windows';
643        } else {
644            $link['class'] = 'media';
645        }
646
647
648        $link['title'] = $this->_xmlEntities($url);
649        $url = str_replace('\\','/',$url);
650        $url = 'file:///'.$url;
651        $link['url'] = $url;
652
653        //output formatted
654        $this->doc .= $this->_formatLink($link);
655    }
656
657    function emaillink($address, $name = NULL) {
658        global $conf;
659        //simple setup
660        $link = array();
661        $link['target'] = '';
662        $link['pre']    = '';
663        $link['suf']   = '';
664        $link['style']  = '';
665        $link['more']   = '';
666
667        //we just test for image here - we need to encode the title our self
668        $this->_getLinkTitle($name, $address, $isImage);
669        if ( !$isImage ) {
670            $link['class']='mail';
671        } else {
672            $link['class']='media';
673        }
674
675        //shields up
676        if($conf['mailguard']=='visible'){
677            //the mail name gets some visible encoding
678            $address = str_replace('@',' [at] ',$address);
679            $address = str_replace('.',' [dot] ',$address);
680            $address = str_replace('-',' [dash] ',$address);
681
682            $title   = $this->_xmlEntities($address);
683            if(empty($name)){
684                $name = $this->_xmlEntities($address);
685            }else{
686                $name = $this->_xmlEntities($name);
687            }
688        }elseif($conf['mailguard']=='hex'){
689            //encode every char to a hex entity
690            for ($x=0; $x < strlen($address); $x++) {
691                $encode .= '&#x' . bin2hex($address[$x]).';';
692            }
693            $address = $encode;
694            $title   = $encode;
695            if(empty($name)){
696                $name = $encode;
697            }else{
698                $name = $this->_xmlEntities($name);
699            }
700        }else{
701            //keep address as is
702            $title   = $this->_xmlEntities($address);
703            if(empty($name)){
704                $name = $this->_xmlEntities($address);
705            }else{
706                $name = $this->_xmlEntities($name);
707            }
708        }
709
710        $link['url']   = 'mailto:'.rawurlencode($address);
711        $link['name']  = $name;
712        $link['title'] = $title;
713
714        //output formatted
715        $this->doc .= $this->_formatLink($link);
716    }
717
718    /**
719     * @todo don't add link for flash
720     */
721    function internalmedia ($src, $title=NULL, $align=NULL, $width=NULL,
722                            $height=NULL, $cache=NULL) {
723        global $conf;
724        global $ID;
725        resolve_mediaid(getNS($ID),$src, $exists);
726
727        $link = array();
728        $link['class']  = 'media';
729        $link['style']  = '';
730        $link['pre']    = '';
731        $link['suf']    = '';
732        $link['more']   = 'onclick="return svchk()" onkeypress="return svchk()"';
733        $link['target'] = $conf['target']['media'];
734
735        $link['title']  = $this->_xmlEntities($src);
736        list($ext,$mime) = mimetype($src);
737        if(substr($mime,0,5)){
738            $link['url'] = ml($src,array('id'=>$ID,'cache'=>$cache),false);
739        }else{
740            $link['url'] = ml($src,array('id'=>$ID,'cache'=>$cache),true);
741        }
742        $link['name']   = $this->_media ($src, $title, $align, $width, $height, $cache);
743
744
745        //output formatted
746        $this->doc .= $this->_formatLink($link);
747    }
748
749    /**
750     * @todo don't add link for flash
751     */
752    function externalmedia ($src, $title=NULL, $align=NULL, $width=NULL,
753                            $height=NULL, $cache=NULL) {
754        global $conf;
755
756        $link = array();
757        $link['class']  = 'media';
758        $link['style']  = '';
759        $link['pre']    = '';
760        $link['suf']    = '';
761        $link['more']   = 'onclick="return svchk()" onkeypress="return svchk()"';
762        $link['target'] = $conf['target']['media'];
763
764        $link['title']  = $this->_xmlEntities($src);
765        $link['url']    = ml($src,array('cache'=>$cache));
766        $link['name']   = $this->_media ($src, $title, $align, $width, $height, $cache);
767
768
769        //output formatted
770        $this->doc .= $this->_formatLink($link);
771    }
772
773    /**
774     * Renders an RSS feed using Magpie
775     *
776     * @author Andreas Gohr <andi@splitbrain.org>
777     */
778    function rss ($url){
779        global $lang;
780        define('MAGPIE_CACHE_ON', false); //we do our own caching
781        define('MAGPIE_DIR', DOKU_INC.'inc/magpie/');
782        define('MAGPIE_OUTPUT_ENCODING','UTF-8'); //return all feeds as UTF-8
783        require_once(MAGPIE_DIR.'/rss_fetch.inc');
784
785        //disable warning while fetching
786        $elvl = error_reporting(E_ERROR);
787        $rss  = fetch_rss($url);
788        error_reporting($elvl);
789
790        $this->doc .= '<ul class="rss">';
791        if($rss){
792            foreach ($rss->items as $item ) {
793                $this->doc .= '<li>';
794                $this->externallink($item['link'],$item['title']);
795                $this->doc .= '</li>';
796            }
797        }else{
798            $this->doc .= '<li>';
799            $this->doc .= '<em>'.$lang['rssfailed'].'</em>';
800            $this->externallink($url);
801            $this->doc .= '</li>';
802        }
803        $this->doc .= '</ul>';
804    }
805
806    // $numrows not yet implemented
807    function table_open($maxcols = NULL, $numrows = NULL){
808        $this->doc .= '<table class="inline">'.DOKU_LF;
809    }
810
811    function table_close(){
812        $this->doc .= '</table>'.DOKU_LF.'<br />'.DOKU_LF;
813    }
814
815    function tablerow_open(){
816        $this->doc .= DOKU_TAB . '<tr>' . DOKU_LF . DOKU_TAB . DOKU_TAB;
817    }
818
819    function tablerow_close(){
820        $this->doc .= DOKU_LF . DOKU_TAB . '</tr>' . DOKU_LF;
821    }
822
823    function tableheader_open($colspan = 1, $align = NULL){
824        $this->doc .= '<th';
825        if ( !is_null($align) ) {
826            $this->doc .= ' class="'.$align.'align"';
827        }
828        if ( $colspan > 1 ) {
829            $this->doc .= ' colspan="'.$colspan.'"';
830        }
831        $this->doc .= '>';
832    }
833
834    function tableheader_close(){
835        $this->doc .= '</th>';
836    }
837
838    function tablecell_open($colspan = 1, $align = NULL){
839        $this->doc .= '<td';
840        if ( !is_null($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 tablecell_close(){
850        $this->doc .= '</td>';
851    }
852
853    //----------------------------------------------------------
854    // Utils
855
856    /**
857     * Build a link
858     *
859     * Assembles all parts defined in $link returns HTML for the link
860     *
861     * @author Andreas Gohr <andi@splitbrain.org>
862     */
863    function _formatLink($link){
864        //make sure the url is XHTML compliant (skip mailto)
865        if(substr($link['url'],0,7) != 'mailto:'){
866            $link['url'] = str_replace('&','&amp;',$link['url']);
867            $link['url'] = str_replace('&amp;amp;','&amp;',$link['url']);
868        }
869        //remove double encodings in titles
870        $link['title'] = str_replace('&amp;amp;','&amp;',$link['title']);
871
872        $ret  = '';
873        $ret .= $link['pre'];
874        $ret .= '<a href="'.$link['url'].'"';
875        if($link['class'])  $ret .= ' class="'.$link['class'].'"';
876        if($link['target']) $ret .= ' target="'.$link['target'].'"';
877        if($link['title'])  $ret .= ' title="'.$link['title'].'"';
878        if($link['style'])  $ret .= ' style="'.$link['style'].'"';
879        if($link['more'])   $ret .= ' '.$link['more'];
880        $ret .= '>';
881        $ret .= $link['name'];
882        $ret .= '</a>';
883        $ret .= $link['suf'];
884        return $ret;
885    }
886
887    /**
888     * Removes any Namespace from the given name but keeps
889     * casing and special chars
890     *
891     * @author Andreas Gohr <andi@splitbrain.org>
892     */
893    function _simpleTitle($name){
894        global $conf;
895
896        if($conf['useslash']){
897            $nssep = '[:;/]';
898        }else{
899            $nssep = '[:;]';
900        }
901        $name = preg_replace('!.*'.$nssep.'!','',$name);
902        //if there is a hash we use the ancor name only
903        $name = preg_replace('!.*#!','',$name);
904        return $name;
905    }
906
907    /**
908     * Renders internal and external media
909     *
910     * @author Andreas Gohr <andi@splitbrain.org>
911     */
912    function _media ($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                }
935            }else{
936                $ret .= ' alt=""';
937            }
938
939            if ( !is_null($width) )
940                $ret .= ' width="'.$this->_xmlEntities($width).'"';
941
942            if ( !is_null($height) )
943                $ret .= ' height="'.$this->_xmlEntities($height).'"';
944
945            $ret .= ' />';
946
947        }elseif($mime == 'application/x-shockwave-flash'){
948            $ret .= '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"'.
949                    ' codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0"';
950            if ( !is_null($width) ) $ret .= ' width="'.$this->_xmlEntities($width).'"';
951            if ( !is_null($height) ) $ret .= ' height="'.$this->_xmlEntities($height).'"';
952            $ret .= '>'.DOKU_LF;
953            $ret .= '<param name="movie" value="'.ml($src).'" />'.DOKU_LF;
954            $ret .= '<param name="quality" value="high" />'.DOKU_LF;
955            $ret .= '<embed src="'.ml($src).'"'.
956                    ' quality="high"';
957            if ( !is_null($width) ) $ret .= ' width="'.$this->_xmlEntities($width).'"';
958            if ( !is_null($height) ) $ret .= ' height="'.$this->_xmlEntities($height).'"';
959            $ret .= ' type="application/x-shockwave-flash"'.
960                    ' pluginspage="http://www.macromedia.com/go/getflashplayer"></embed>'.DOKU_LF;
961            $ret .= '</object>'.DOKU_LF;
962
963        }elseif(!is_null($title)){
964            // well at least we have a title to display
965            $ret .= $this->_xmlEntities($title);
966        }else{
967            // just show the source
968            $ret .= $this->_xmlEntities($src);
969        }
970
971        return $ret;
972    }
973
974    function _xmlEntities($string) {
975        return htmlspecialchars($string);
976    }
977
978    function _headerToLink($title) {
979        return str_replace(':','',cleanID($title));
980    }
981
982    /**
983     * Adds code for section editing button
984     *
985     * This is just aplaceholder and gets replace by the button if
986     * section editing is allowed
987     *
988     * @author Andreas Gohr <andi@splitbrain.org>
989     */
990    function _secedit($f, $t){
991        $this->doc .= '<!-- SECTION ['.$f.'-'.$t.'] -->';
992    }
993
994    /**
995     * Construct a title and handle images in titles
996     *
997     * @author Harry Fuecks <hfuecks@gmail.com>
998     */
999    function _getLinkTitle($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);
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