xref: /dokuwiki/inc/parser/xhtml.php (revision 5e100747059d6148199a91dfae13217e89dd4344) 
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 $store = '';
43
44
45    function document_start() {
46    }
47
48    function document_end() {
49        // add button for last section if any and more than one
50        if($this->lastsec > 1) $this->_secedit($this->lastsec,'');
51
52        if ( count ($this->footnotes) > 0 ) {
53            $this->doc .= '<div class="footnotes">'.DOKU_LF;
54            foreach ( $this->footnotes as $footnote ) {
55                $this->doc .= $footnote;
56            }
57            $this->doc .= '</div>'.DOKU_LF;
58        }
59    }
60
61    function toc_open() {
62        $this->doc .= '<div class="toc">'.DOKU_LF;
63        $this->doc .= '<div class="tocheader">Table of Contents <script type="text/javascript">showTocToggle("+","-")</script></div>'.DOKU_LF;
64        $this->doc .= '<div id="tocinside">'.DOKU_LF;
65    }
66
67    function tocbranch_open($level) {
68        $this->doc .= '<ul class="toc">'.DOKU_LF;
69    }
70
71    function tocitem_open($level, $empty = FALSE) {
72        if ( !$empty ) {
73            $this->doc .= '<li class="level'.$level.'">';
74        } else {
75            $this->doc .= '<li class="clear">';
76        }
77    }
78
79    function tocelement($level, $title) {
80        $this->doc .= '<span class="li"><a href="#'.$this->_headerToLink($title).'" class="toc">';
81        $this->doc .= $this->_xmlEntities($title);
82        $this->doc .= '</a></span>';
83    }
84
85    function tocitem_close($level) {
86        $this->doc .= '</li>'.DOKU_LF;
87    }
88
89    function tocbranch_close($level) {
90        $this->doc .= '</ul>'.DOKU_LF;
91    }
92
93    function toc_close() {
94        $this->doc .= '</div>'.DOKU_LF.'</div>'.DOKU_LF;
95    }
96
97    function header($text, $level, $pos) {
98        global $conf;
99        //handle section editing
100        if($level <= $conf['maxseclevel']){
101            // add button for last section if any
102            if($this->lastsec) $this->_secedit($this->lastsec,$pos-1);
103            // remember current position
104            $this->lastsec = $pos;
105        }
106
107        $this->doc .= DOKU_LF.'<a name="'.$this->_headerToLink($text).'"></a><h'.$level.'>';
108        $this->doc .= $this->_xmlEntities($text);
109        $this->doc .= "</h$level>".DOKU_LF;
110    }
111
112    function section_open($level) {
113        $this->doc .= "<div class=\"level$level\">".DOKU_LF;
114    }
115
116    function section_close() {
117        $this->doc .= DOKU_LF.'</div>'.DOKU_LF;
118    }
119
120    function cdata($text) {
121        $this->doc .= $this->_xmlEntities($text);
122    }
123
124    function p_open() {
125        $this->doc .= DOKU_LF.'<p>'.DOKU_LF;
126    }
127
128    function p_close() {
129        $this->doc .= DOKU_LF.'</p>'.DOKU_LF;
130    }
131
132    function linebreak() {
133        $this->doc .= '<br/>'.DOKU_LF;
134    }
135
136    function hr() {
137        $this->doc .= '<hr noshade="noshade" size="1" />'.DOKU_LF;
138    }
139
140    function strong_open() {
141        $this->doc .= '<strong>';
142    }
143
144    function strong_close() {
145        $this->doc .= '</strong>';
146    }
147
148    function emphasis_open() {
149        $this->doc .= '<em>';
150    }
151
152    function emphasis_close() {
153        $this->doc .= '</em>';
154    }
155
156    function underline_open() {
157        $this->doc .= '<u>';
158    }
159
160    function underline_close() {
161        $this->doc .= '</u>';
162    }
163
164    function monospace_open() {
165        $this->doc .= '<code>';
166    }
167
168    function monospace_close() {
169        $this->doc .= '</code>';
170    }
171
172    function subscript_open() {
173        $this->doc .= '<sub>';
174    }
175
176    function subscript_close() {
177        $this->doc .= '</sub>';
178    }
179
180    function superscript_open() {
181        $this->doc .= '<sup>';
182    }
183
184    function superscript_close() {
185        $this->doc .= '</sup>';
186    }
187
188    function deleted_open() {
189        $this->doc .= '<del>';
190    }
191
192    function deleted_close() {
193        $this->doc .= '</del>';
194    }
195
196    /**
197     * Callback for footnote start syntax
198     *
199     * All following content will go to the footnote instead of
200     * the document. To achive this the previous rendered content
201     * is moved to $store and $doc is cleared
202     *
203     * @author Andreas Gohr <andi@splitbrain.org>
204     */
205    function footnote_open() {
206        $id = $this->_newFootnoteId();
207        $this->doc .= '<a href="#fn'.$id.'" name="fnt'.$id.'" class="fn_top">'.$id.')</a>';
208
209        // move current content to store and record footnote
210        $this->store = $this->doc;
211        $this->doc   = '';
212
213        $this->doc .= '<div class="fn">';
214        $this->doc .= '<a href="#fnt'.$id.'" name="fn'.$id.'" class="fn_bot">';
215        $this->doc .= $id.')</a> '.DOKU_LF;
216    }
217
218    /**
219     * Callback for footnote end syntax
220     *
221     * All rendered content is moved to the $footnotes array and the old
222     * content is restored from $store again
223     *
224     * @author Andreas Gohr
225     */
226    function footnote_close() {
227        $this->doc .= '</div>' . DOKU_LF;
228
229        // put recorded footnote into the stack and restore old content
230        $this->footnotes[count($this->footnotes)] = $this->doc;
231        $this->doc = $this->store;
232        $this->store = '';
233    }
234
235    function listu_open() {
236        $this->doc .= '<ul>'.DOKU_LF;
237    }
238
239    function listu_close() {
240        $this->doc .= '</ul>'.DOKU_LF;
241    }
242
243    function listo_open() {
244        $this->doc .= '<ol>'.DOKU_LF;
245    }
246
247    function listo_close() {
248        $this->doc .= '</ol>'.DOKU_LF;
249    }
250
251    function listitem_open($level) {
252        $this->doc .= '<li class="level'.$level.'">';
253    }
254
255    function listitem_close() {
256        $this->doc .= '</li>'.DOKU_LF;
257    }
258
259    function listcontent_open() {
260        $this->doc .= '<span class="li">';
261    }
262
263    function listcontent_close() {
264        $this->doc .= '</span>'.DOKU_LF;
265    }
266
267    function unformatted($text) {
268        $this->doc .= $this->_xmlEntities($text);
269    }
270
271    /**
272     * Execute PHP code if allowed
273     *
274     * @author Andreas Gohr <andi@splitbrain.org>
275     */
276    function php($text) {
277        global $conf;
278        if($conf['phpok']){
279            ob_start;
280            eval($text);
281            $this->doc .= ob_get_contents();
282            ob_end_clean;
283        }else{
284            $this->file($text);
285        }
286    }
287
288    /**
289     * Insert HTML if allowed
290     *
291     * @author Andreas Gohr <andi@splitbrain.org>
292     */
293    function html($text) {
294        global $conf;
295        if($conf['htmlok']){
296          $this->doc .= $text;
297        }else{
298          $this->file($text);
299        }
300    }
301
302    function preformatted($text) {
303        $this->doc .= '<pre class="code">' . $this->_xmlEntities($text) . '</pre>'. DOKU_LF;
304    }
305
306    function file($text) {
307        $this->doc .= '<pre class="file">' . $this->_xmlEntities($text). '</pre>'. DOKU_LF;
308    }
309
310    function quote_open() {
311        $this->doc .= '<blockquote>'.DOKU_LF;
312    }
313
314    function quote_close() {
315        $this->doc .= '</blockquote>'.DOKU_LF;
316    }
317
318    /**
319     * Callback for code text
320     *
321     * Uses GeSHi to highlight language syntax
322     *
323     * @author Andreas Gohr <andi@splitbrain.org>
324     */
325    function code($text, $language = NULL) {
326        global $conf;
327
328        if ( is_null($language) ) {
329            $this->preformatted($text);
330        } else {
331            //strip leading blank line
332            $text = preg_replace('/^\s*?\n/','',$text);
333            // Handle with Geshi here
334            require_once(DOKU_INC . 'inc/geshi.php');
335            $geshi = new GeSHi($text, strtolower($language), DOKU_INC . 'inc/geshi');
336            $geshi->set_encoding('utf-8');
337            $geshi->enable_classes();
338            $geshi->set_header_type(GESHI_HEADER_PRE);
339            $geshi->set_overall_class('code');
340            $geshi->set_link_target($conf['target']['extern']);
341
342            $text = $geshi->parse_code();
343            $this->doc .= $text;
344        }
345    }
346
347    function acronym($acronym) {
348
349        if ( array_key_exists($acronym, $this->acronyms) ) {
350
351            $title = $this->_xmlEntities($this->acronyms[$acronym]);
352
353            $this->doc .= '<acronym title="'.$title
354                .'">'.$this->_xmlEntities($acronym).'</acronym>';
355
356        } else {
357            $this->doc .= $this->_xmlEntities($acronym);
358        }
359    }
360
361    /**
362    */
363    function smiley($smiley) {
364        if ( array_key_exists($smiley, $this->smileys) ) {
365            $title = $this->_xmlEntities($this->smileys[$smiley]);
366            $this->doc .= '<img src="'.DOKU_BASE.'smileys/'.$this->smileys[$smiley].
367                '" align="middle" alt="'.
368                    $this->_xmlEntities($smiley).'" />';
369        } else {
370            $this->doc .= $this->_xmlEntities($smiley);
371        }
372    }
373
374    /**
375    * not used
376    function wordblock($word) {
377        if ( array_key_exists($word, $this->badwords) ) {
378            $this->doc .= '** BLEEP **';
379        } else {
380            $this->doc .= $this->_xmlEntities($word);
381        }
382    }
383    */
384
385    function entity($entity) {
386        if ( array_key_exists($entity, $this->entities) ) {
387            $this->doc .= $this->entities[$entity];
388        } else {
389            $this->doc .= $this->_xmlEntities($entity);
390        }
391    }
392
393    function multiplyentity($x, $y) {
394        $this->doc .= "$x&times;$y";
395    }
396
397    function singlequoteopening() {
398        $this->doc .= "&lsquo;";
399    }
400
401    function singlequoteclosing() {
402        $this->doc .= "&rsquo;";
403    }
404
405    function doublequoteopening() {
406        $this->doc .= "&ldquo;";
407    }
408
409    function doublequoteclosing() {
410        $this->doc .= "&rdquo;";
411    }
412
413    /**
414    */
415    function camelcaselink($link) {
416      $this->internallink($link,$link);
417    }
418
419    /**
420     * Render an internal Wiki Link
421     *
422     * $search and $returnonly are not for the renderer but are used
423     * elsewhere - no need to implement them in other renderers
424     *
425     * @author Andreas Gohr <andi@splitbrain.org>
426     */
427    function internallink($id, $name = NULL, $search=NULL,$returnonly=false) {
428        global $conf;
429        global $ID;
430
431        $name = $this->_getLinkTitle($name, $this->_simpleTitle($id), $isImage, $id);
432        resolve_pageid(getNS($ID),$id,$exists);
433        if ( !$isImage ) {
434            if ( $exists ) {
435                $class='wikilink1';
436            } else {
437                $class='wikilink2';
438            }
439        } else {
440            $class='media';
441        }
442
443        //prepare for formating
444        $link['target'] = $conf['target']['wiki'];
445        $link['style']  = '';
446        $link['pre']    = '';
447        $link['suf']    = '';
448        // highlight link to current page
449        if ($id == $ID) {
450            $link['pre']    = '<span class="curid">';
451            $link['suf']    = '</span>';
452        }
453        $link['more']   = 'onclick="return svchk()" onkeypress="return svchk()"';
454        $link['class']  = $class;
455        $link['url']    = wl($id);
456        $link['name']   = $name;
457        $link['title']  = $id;
458
459        //add search string
460        if($search){
461            ($conf['userewrite']) ? $link['url'].='?s=' : $link['url'].='&amp;s=';
462            $link['url'] .= urlencode($search);
463        }
464
465        //output formatted
466        if($returnonly){
467            return $this->_formatLink($link);
468        }else{
469            $this->doc .= $this->_formatLink($link);
470        }
471    }
472
473    function externallink($url, $name = NULL) {
474        global $conf;
475
476        $name = $this->_getLinkTitle($name, $url, $isImage);
477
478        // add protocol on simple short URLs
479        if(substr($url,0,3) == 'ftp') $url = 'ftp://'.$url;
480        if(substr($url,0,3) == 'www') $url = 'http://'.$url;
481
482        if ( !$isImage ) {
483            $class='urlextern';
484        } else {
485            $class='media';
486        }
487
488        //prepare for formating
489        $link['target'] = $conf['target']['extern'];
490        $link['style']  = '';
491        $link['pre']    = '';
492        $link['suf']    = '';
493        $link['more']   = 'onclick="return svchk()" onkeypress="return svchk()"';
494        $link['class']  = $class;
495        $link['url']    = $url;
496        $link['name']   = $name;
497        $link['title']  = $this->_xmlEntities($url);
498        if($conf['relnofollow']) $link['more'] .= ' rel="nofollow"';
499
500        //output formatted
501        $this->doc .= $this->_formatLink($link);
502    }
503
504    /**
505    */
506    function interwikilink($match, $name = NULL, $wikiName, $wikiUri) {
507        global $conf;
508
509        $link = array();
510        $link['target'] = $conf['target']['interwiki'];
511        $link['pre']    = '';
512        $link['suf']    = '';
513        $link['more']   = 'onclick="return svchk()" onkeypress="return svchk()"';
514        $link['name']   = $this->_getLinkTitle($name, $wikiUri, $isImage);
515
516        if ( !$isImage ) {
517            $link['class'] = 'interwiki';
518        } else {
519            $link['class'] = 'media';
520        }
521
522        //get interwiki URL
523        if ( isset($this->interwiki[$wikiName]) ) {
524            $url = $this->interwiki[$wikiName];
525        } else {
526            // Default to Google I'm feeling lucky
527            $url = 'http://www.google.com/search?q={URL}&amp;btnI=lucky';
528            $wikiName = 'go';
529        }
530
531        if(!$isImage){
532            //if ico exists set additional style
533            if(@file_exists(DOKU_INC.'interwiki/'.$wikiName.'.png')){
534                $link['style']='background-image: url('.DOKU_BASE.'interwiki/'.$wikiName.'.png)';
535            }elseif(@file_exists(DOKU_INC.'interwiki/'.$wikiName.'.gif')){
536                $link['style']='background-image: url('.DOKU_BASE.'interwiki/'.$wikiName.'.gif)';
537            }
538        }
539
540        //do we stay at the same server? Use local target
541        if( strpos($url,DOKU_URL) === 0 ){
542            $link['target'] = $conf['target']['wiki'];
543        }
544
545        //replace placeholder
546        if(preg_match('#\{(URL|NAME|SCHEME|HOST|PORT|PATH|QUERY)\}#',$url)){
547            //use placeholders
548            $url = str_replace('{URL}',urlencode($wikiUri),$url);
549            $url = str_replace('{NAME}',$wikiUri,$url);
550            $parsed = parse_url($wikiUri);
551            if(!$parsed['port']) $parsed['port'] = 80;
552            $url = str_replace('{SCHEME}',$parsed['scheme'],$url);
553            $url = str_replace('{HOST}',$parsed['host'],$url);
554            $url = str_replace('{PORT}',$parsed['port'],$url);
555            $url = str_replace('{PATH}',$parsed['path'],$url);
556            $url = str_replace('{QUERY}',$parsed['query'],$url);
557            $link['url'] = $url;
558        }else{
559            //default
560            $link['url'] = $url.urlencode($wikiUri);
561        }
562
563        $link['title'] = htmlspecialchars($link['url']);
564
565        //output formatted
566        $this->doc .= $this->_formatLink($link);
567    }
568
569    /**
570     */
571    function windowssharelink($url, $name = NULL) {
572        global $conf;
573        global $lang;
574        //simple setup
575        $link['target'] = $conf['target']['windows'];
576        $link['pre']    = '';
577        $link['suf']   = '';
578        $link['style']  = '';
579        //Display error on browsers other than IE
580        $link['more'] = 'onclick="if(document.all == null){alert(\''.
581                        $this->_xmlEntities($lang['nosmblinks'],ENT_QUOTES).
582                        '\');}" onkeypress="if(document.all == null){alert(\''.
583                        $this->_xmlEntities($lang['nosmblinks'],ENT_QUOTES).'\');}"';
584
585        $link['name'] = $this->_getLinkTitle($name, $url, $isImage);
586        if ( !$isImage ) {
587            $link['class'] = 'windows';
588        } else {
589            $link['class'] = 'media';
590        }
591
592
593        $link['title'] = $this->_xmlEntities($url);
594        $url = str_replace('\\','/',$url);
595        $url = 'file:///'.$url;
596        $link['url'] = $url;
597
598        //output formatted
599        $this->doc .= $this->_formatLink($link);
600    }
601
602    function emaillink($address, $name = NULL) {
603        global $conf;
604        //simple setup
605        $link = array();
606        $link['target'] = '';
607        $link['pre']    = '';
608        $link['suf']   = '';
609        $link['style']  = '';
610        $link['more']   = '';
611
612        //we just test for image here - we need to encode the title our self
613        $this->_getLinkTitle($name, $address, $isImage);
614        if ( !$isImage ) {
615            $link['class']='mail';
616        } else {
617            $link['class']='media';
618        }
619
620        //shields up
621        if($conf['mailguard']=='visible'){
622            //the mail name gets some visible encoding
623            $address = str_replace('@',' [at] ',$address);
624            $address = str_replace('.',' [dot] ',$address);
625            $address = str_replace('-',' [dash] ',$address);
626
627            $title   = $this->_xmlEntities($address);
628            if(empty($name)){
629                $name = $this->_xmlEntities($address);
630            }else{
631                $name = $this->_xmlEntities($name);
632            }
633        }elseif($conf['mailguard']=='hex'){
634            //encode every char to a hex entity
635            for ($x=0; $x < strlen($address); $x++) {
636                $encode .= '&#x' . bin2hex($address[$x]).';';
637            }
638            $address = $encode;
639            $title   = $encode;
640            if(empty($name)){
641                $name = $encode;
642            }else{
643                $name = $this->_xmlEntities($name);
644            }
645        }else{
646            //keep address as is
647            $title   = $this->_xmlEntities($address);
648            if(empty($name)){
649                $name = $this->_xmlEntities($address);
650            }else{
651                $name = $this->_xmlEntities($name);
652            }
653        }
654
655        $link['url']   = 'mailto:'.$address;
656        $link['name']  = $name;
657        $link['title'] = $title;
658
659        //output formatted
660        $this->doc .= $this->_formatLink($link);
661    }
662
663    /**
664     * @todo don't add link for flash
665     */
666    function internalmedia ($src, $title=NULL, $align=NULL, $width=NULL,
667                            $height=NULL, $cache=NULL) {
668        global $conf;
669        global $ID;
670        resolve_mediaid(getNS($ID),$src, $exists);
671
672        $link = array();
673        $link['class']  = 'media';
674        $link['style']  = '';
675        $link['pre']    = '';
676        $link['suf']    = '';
677        $link['more']   = 'onclick="return svchk()" onkeypress="return svchk()"';
678        $link['target'] = $conf['target']['media'];
679
680        $link['title']  = $this->_xmlEntities($src);
681        $link['url']    = DOKU_BASE.'fetch.php?cache='.$cache.'&amp;media='.urlencode($src);
682        $link['name']   = $this->_media ($src, $title, $align, $width, $height, $cache);
683
684
685        //output formatted
686        $this->doc .= $this->_formatLink($link);
687    }
688
689    /**
690     * @todo don't add link for flash
691     */
692    function externalmedia ($src, $title=NULL, $align=NULL, $width=NULL,
693                            $height=NULL, $cache=NULL) {
694        global $conf;
695
696        $link = array();
697        $link['class']  = 'media';
698        $link['style']  = '';
699        $link['pre']    = '';
700        $link['suf']    = '';
701        $link['more']   = 'onclick="return svchk()" onkeypress="return svchk()"';
702        $link['target'] = $conf['target']['media'];
703
704        $link['title']  = $this->_xmlEntities($src);
705        $link['url']    = DOKU_BASE.'fetch.php?cache='.$cache.'&amp;media='.urlencode($src);
706        $link['name']   = $this->_media ($src, $title, $align, $width, $height, $cache);
707
708
709        //output formatted
710        $this->doc .= $this->_formatLink($link);
711    }
712
713    /**
714     * Renders an RSS feed using Magpie
715     *
716     * @author Andreas Gohr <andi@splitbrain.org>
717     */
718    function rss ($url){
719        global $lang;
720        define('MAGPIE_CACHE_ON', false); //we do our own caching
721        define('MAGPIE_DIR', DOKU_INC.'inc/magpie/');
722        define('MAGPIE_OUTPUT_ENCODING','UTF-8'); //return all feeds as UTF-8
723        require_once(MAGPIE_DIR.'/rss_fetch.inc');
724
725        //disable warning while fetching
726        $elvl = error_reporting(E_ERROR);
727        $rss  = fetch_rss($url);
728        error_reporting($elvl);
729
730        $this->doc .= '<ul class="rss">';
731        if($rss){
732            foreach ($rss->items as $item ) {
733                $this->doc .= '<li>';
734                $this->externallink($item['link'],$item['title']);
735                $this->doc .= '</li>';
736            }
737        }else{
738            $this->doc .= '<li>';
739            $this->doc .= '<em>'.$lang['rssfailed'].'</em>';
740            $this->externallink($url);
741            $this->doc .= '</li>';
742        }
743        $this->doc .= '</ul>';
744    }
745
746    // $numrows not yet implemented
747    function table_open($maxcols = NULL, $numrows = NULL){
748        $this->doc .= '<table class="inline">'.DOKU_LF;
749    }
750
751    function table_close(){
752        $this->doc .= '</table>'.DOKU_LF.'<br />'.DOKU_LF;
753    }
754
755    function tablerow_open(){
756        $this->doc .= DOKU_TAB . '<tr>' . DOKU_LF . DOKU_TAB . DOKU_TAB;
757    }
758
759    function tablerow_close(){
760        $this->doc .= DOKU_LF . DOKU_TAB . '</tr>' . DOKU_LF;
761    }
762
763    function tableheader_open($colspan = 1, $align = NULL){
764        $this->doc .= '<th';
765        if ( !is_null($align) ) {
766            $this->doc .= ' class="'.$align.'align"';
767        }
768        if ( $colspan > 1 ) {
769            $this->doc .= ' colspan="'.$colspan.'"';
770        }
771        $this->doc .= '>';
772    }
773
774    function tableheader_close(){
775        $this->doc .= '</th>';
776    }
777
778    function tablecell_open($colspan = 1, $align = NULL){
779        $this->doc .= '<td';
780        if ( !is_null($align) ) {
781            $this->doc .= ' class="'.$align.'align"';
782        }
783        if ( $colspan > 1 ) {
784            $this->doc .= ' colspan="'.$colspan.'"';
785        }
786        $this->doc .= '>';
787    }
788
789    function tablecell_close(){
790        $this->doc .= '</td>';
791    }
792
793    //----------------------------------------------------------
794    // Utils
795
796    /**
797     * Build a link
798     *
799     * Assembles all parts defined in $link returns HTML for the link
800     *
801     * @author Andreas Gohr <andi@splitbrain.org>
802     */
803    function _formatLink($link){
804        //make sure the url is XHTML compliant (skip mailto)
805        if(substr($link['url'],0,7) != 'mailto:'){
806            $link['url'] = str_replace('&','&amp;',$link['url']);
807            $link['url'] = str_replace('&amp;amp;','&amp;',$link['url']);
808        }
809        //remove double encodings in titles
810        $link['title'] = str_replace('&amp;amp;','&amp;',$link['title']);
811
812        $ret  = '';
813        $ret .= $link['pre'];
814        $ret .= '<a href="'.$link['url'].'"';
815        if($link['class'])  $ret .= ' class="'.$link['class'].'"';
816        if($link['target']) $ret .= ' target="'.$link['target'].'"';
817        if($link['title'])  $ret .= ' title="'.$link['title'].'"';
818        if($link['style'])  $ret .= ' style="'.$link['style'].'"';
819        if($link['more'])   $ret .= ' '.$link['more'];
820        $ret .= '>';
821        $ret .= $link['name'];
822        $ret .= '</a>';
823        $ret .= $link['suf'];
824        return $ret;
825    }
826
827    /**
828     * Removes any Namespace from the given name but keeps
829     * casing and special chars
830     *
831     * @author Andreas Gohr <andi@splitbrain.org>
832     */
833    function _simpleTitle($name){
834        global $conf;
835
836        if($conf['useslash']){
837            $nssep = '[:;/]';
838        }else{
839            $nssep = '[:;]';
840        }
841        $name = preg_replace('!.*'.$nssep.'!','',$name);
842        //if there is a hash we use the ancor name only
843        $name = preg_replace('!.*#!','',$name);
844        return $name;
845    }
846
847    /**
848     * Renders internal and external media
849     *
850     * @author Andreas Gohr <andi@splitbrain.org>
851     */
852    function _media ($src, $title=NULL, $align=NULL, $width=NULL,
853                      $height=NULL, $cache=NULL) {
854
855        $ret = '';
856
857        list($ext,$mime) = mimetype($src);
858        if(substr($mime,0,5) == 'image'){
859            //add image tag
860            $ret .= '<img src="'.DOKU_BASE.'fetch.php?w='.$width.'&amp;h='.$height.
861                    '&amp;cache='.$cache.'&amp;media='.urlencode($src).'"';
862
863            $ret .= ' class="media'.$align.'"';
864
865            if (!is_null($title)) {
866                $ret .= ' title="'.$this->_xmlEntities($title).'"';
867                $ret .= ' alt="'.$this->_xmlEntities($title).'"';
868            }else{
869                $ret .= ' alt=""';
870            }
871
872            if ( !is_null($width) )
873                $ret .= ' width="'.$this->_xmlEntities($width).'"';
874
875            if ( !is_null($height) )
876                $ret .= ' height="'.$this->_xmlEntities($height).'"';
877
878            $ret .= ' />';
879
880        }elseif($mime == 'application/x-shockwave-flash'){
881            $ret .= '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"'.
882                    ' codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0"';
883            if ( !is_null($width) ) $ret .= ' width="'.$this->_xmlEntities($width).'"';
884            if ( !is_null($height) ) $ret .= ' height="'.$this->_xmlEntities($height).'"';
885            $ret .= '>'.DOKU_LF;
886            $ret .= '<param name="movie" value="'.DOKU_BASE.'fetch.php?media='.urlencode($src).'" />'.DOKU_LF;
887            $ret .= '<param name="quality" value="high" />'.DOKU_LF;
888            $ret .= '<embed src="'.DOKU_BASE.'fetch.php?media='.urlencode($src).'"'.
889                    ' quality="high"';
890            if ( !is_null($width) ) $ret .= ' width="'.$this->_xmlEntities($width).'"';
891            if ( !is_null($height) ) $ret .= ' height="'.$this->_xmlEntities($height).'"';
892            $ret .= ' type="application/x-shockwave-flash"'.
893                    ' pluginspage="http://www.macromedia.com/go/getflashplayer"></embed>'.DOKU_LF;
894            $ret .= '</object>'.DOKU_LF;
895
896        }elseif(!is_null($title)){
897            // well at least we have a title to display
898            $ret .= $this->_xmlEntities($title);
899        }else{
900            // just show the source
901            $ret .= $this->_xmlEntities($src);
902        }
903
904        return $ret;
905    }
906
907    function _newFootnoteId() {
908        static $id = 1;
909        return $id++;
910    }
911
912    function _xmlEntities($string) {
913        return htmlspecialchars($string);
914    }
915
916    function _headerToLink($title) {
917        return str_replace(':','',cleanID($title));
918    }
919
920    /**
921     * Adds code for section editing button
922     *
923     * This is just aplaceholder and gets replace by the button if
924     * section editing is allowed
925     *
926     * @author Andreas Gohr <andi@splitbrain.org>
927     */
928    function _secedit($f, $t){
929        $this->doc .= '<!-- SECTION ['.$f.'-'.$t.'] -->';
930    }
931
932    /**
933     * Construct a title and handle images in titles
934     *
935     * @author Harry Fuecks <harryf@gmail.com>
936     */
937    function _getLinkTitle($title, $default, & $isImage, $id=NULL) {
938        global $conf;
939
940        $isImage = FALSE;
941        if ( is_null($title) ) {
942            if ($conf['useheading'] && $id) {
943                $heading = p_get_first_heading($id);
944                if ($heading) {
945                    return $this->_xmlEntities($heading);
946                }
947            }
948            return $this->_xmlEntities($default);
949        } else if ( is_string($title) ) {
950            return $this->_xmlEntities($title);
951        } else if ( is_array($title) ) {
952            $isImage = TRUE;
953            return $this->_imageTitle($title);
954        }
955    }
956
957    /**
958     * Returns an HTML code for images used in link titles
959     *
960     * @todo Resolve namespace on internal images
961     * @author Andreas Gohr <andi@splitbrain.org>
962     */
963    function _imageTitle($img) {
964        return $this->_media($img['src'],
965                              $img['title'],
966                              $img['align'],
967                              $img['width'],
968                              $img['height'],
969                              $img['cache']);
970    }
971}
972
973//Setup VIM: ex: et ts=4 enc=utf-8 :
974