xref: /dokuwiki/inc/parser/xhtml.php (revision 55efc227eaeb2d480ff22837b78f89766b07fe5f) 
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/pluginutils.php';
23
24/**
25 * The Renderer
26 */
27class Doku_Renderer_xhtml extends Doku_Renderer {
28
29    var $doc = '';
30
31    var $headers = array();
32
33    var $footnotes = array();
34
35    var $acronyms = array();
36    var $smileys = array();
37    var $badwords = array();
38    var $entities = array();
39    var $interwiki = array();
40
41    var $lastsec = 0;
42
43    var $store = '';
44
45    function document_start() {
46    }
47
48    function document_end() {
49        // add button for last section if any and more than one
50        if($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            $this->doc .= '</div>'.DOKU_LF;
58        }
59    }
60
61    //handles plugin rendering
62    function plugin($name,$data){
63        $plugin = null;
64        if(plugin_load('syntax',$name,$plugin)){
65            $plugin->render('xhtml',$this,$data);
66        }
67    }
68
69    function toc_open() {
70        global $lang;
71        $this->doc .= '<div class="toc">'.DOKU_LF;
72        $this->doc .= '<div class="tocheader">';
73        $this->doc .= ' <script type="text/javascript">showTocToggle("+","-")</script>';
74        $this->doc .= $lang['toc'];
75        $this->doc .= '</div>'.DOKU_LF;
76        $this->doc .= '<div id="tocinside">'.DOKU_LF;
77    }
78
79    function tocbranch_open($level) {
80        $this->doc .= '<ul class="toc">'.DOKU_LF;
81    }
82
83    function tocitem_open($level, $empty = FALSE) {
84        if ( !$empty ) {
85            $this->doc .= '<li class="level'.$level.'">';
86        } else {
87            $this->doc .= '<li class="clear">';
88        }
89    }
90
91    function tocelement($level, $title) {
92        $this->doc .= '<span class="li"><a href="#'.$this->_headerToLink($title).'" class="toc">';
93        $this->doc .= $this->_xmlEntities($title);
94        $this->doc .= '</a></span>';
95    }
96
97    function tocitem_close($level) {
98        $this->doc .= '</li>'.DOKU_LF;
99    }
100
101    function tocbranch_close($level) {
102        $this->doc .= '</ul>'.DOKU_LF;
103    }
104
105    function toc_close() {
106        $this->doc .= '</div>'.DOKU_LF.'</div>'.DOKU_LF;
107    }
108
109    function header($text, $level, $pos) {
110        global $conf;
111        //handle section editing
112        if($level <= $conf['maxseclevel']){
113            // add button for last section if any
114            if($this->lastsec) $this->_secedit($this->lastsec,$pos-1);
115            // remember current position
116            $this->lastsec = $pos;
117        }
118
119        $this->doc .= DOKU_LF.'<a name="'.$this->_headerToLink($text).'"></a><h'.$level.'>';
120        $this->doc .= $this->_xmlEntities($text);
121        $this->doc .= "</h$level>".DOKU_LF;
122    }
123
124    function section_open($level) {
125        $this->doc .= "<div class=\"level$level\">".DOKU_LF;
126    }
127
128    function section_close() {
129        $this->doc .= DOKU_LF.'</div>'.DOKU_LF;
130    }
131
132    function cdata($text) {
133        $this->doc .= $this->_xmlEntities($text);
134    }
135
136    function p_open() {
137        $this->doc .= DOKU_LF.'<p>'.DOKU_LF;
138    }
139
140    function p_close() {
141        $this->doc .= DOKU_LF.'</p>'.DOKU_LF;
142    }
143
144    function linebreak() {
145        $this->doc .= '<br/>'.DOKU_LF;
146    }
147
148    function hr() {
149        $this->doc .= '<hr noshade="noshade" size="1" />'.DOKU_LF;
150    }
151
152    function strong_open() {
153        $this->doc .= '<strong>';
154    }
155
156    function strong_close() {
157        $this->doc .= '</strong>';
158    }
159
160    function emphasis_open() {
161        $this->doc .= '<em>';
162    }
163
164    function emphasis_close() {
165        $this->doc .= '</em>';
166    }
167
168    function underline_open() {
169        $this->doc .= '<u>';
170    }
171
172    function underline_close() {
173        $this->doc .= '</u>';
174    }
175
176    function monospace_open() {
177        $this->doc .= '<code>';
178    }
179
180    function monospace_close() {
181        $this->doc .= '</code>';
182    }
183
184    function subscript_open() {
185        $this->doc .= '<sub>';
186    }
187
188    function subscript_close() {
189        $this->doc .= '</sub>';
190    }
191
192    function superscript_open() {
193        $this->doc .= '<sup>';
194    }
195
196    function superscript_close() {
197        $this->doc .= '</sup>';
198    }
199
200    function deleted_open() {
201        $this->doc .= '<del>';
202    }
203
204    function deleted_close() {
205        $this->doc .= '</del>';
206    }
207
208    /**
209     * Callback for footnote start syntax
210     *
211     * All following content will go to the footnote instead of
212     * the document. To achive this the previous rendered content
213     * is moved to $store and $doc is cleared
214     *
215     * @author Andreas Gohr <andi@splitbrain.org>
216     */
217    function footnote_open() {
218        #$id = $this->_newFootnoteId();
219        $id = count($this->footnotes)+1;
220        $this->doc .= '<a href="#fn'.$id.'" name="fnt'.$id.'" class="fn_top">'.$id.')</a>';
221
222        // move current content to store and record footnote
223        $this->store = $this->doc;
224        $this->doc   = '';
225
226        $this->doc .= '<div class="fn">';
227        $this->doc .= '<a href="#fnt'.$id.'" name="fn'.$id.'" class="fn_bot">';
228        $this->doc .= $id.')</a> '.DOKU_LF;
229    }
230
231    /**
232     * Callback for footnote end syntax
233     *
234     * All rendered content is moved to the $footnotes array and the old
235     * content is restored from $store again
236     *
237     * @author Andreas Gohr
238     */
239    function footnote_close() {
240        $this->doc .= '</div>' . DOKU_LF;
241
242        // put recorded footnote into the stack and restore old content
243        $this->footnotes[count($this->footnotes)] = $this->doc;
244        $this->doc = $this->store;
245        $this->store = '';
246    }
247
248    function listu_open() {
249        $this->doc .= '<ul>'.DOKU_LF;
250    }
251
252    function listu_close() {
253        $this->doc .= '</ul>'.DOKU_LF;
254    }
255
256    function listo_open() {
257        $this->doc .= '<ol>'.DOKU_LF;
258    }
259
260    function listo_close() {
261        $this->doc .= '</ol>'.DOKU_LF;
262    }
263
264    function listitem_open($level) {
265        $this->doc .= '<li class="level'.$level.'">';
266    }
267
268    function listitem_close() {
269        $this->doc .= '</li>'.DOKU_LF;
270    }
271
272    function listcontent_open() {
273        $this->doc .= '<div class="li">';
274    }
275
276    function listcontent_close() {
277        $this->doc .= '</div>'.DOKU_LF;
278    }
279
280    function unformatted($text) {
281        $this->doc .= $this->_xmlEntities($text);
282    }
283
284    /**
285     * Execute PHP code if allowed
286     *
287     * @author Andreas Gohr <andi@splitbrain.org>
288     */
289    function php($text) {
290        global $conf;
291        if($conf['phpok']){
292            ob_start();
293            eval($text);
294            $this->doc .= ob_get_contents();
295            ob_end_clean();
296        }else{
297            $this->file($text);
298        }
299    }
300
301    /**
302     * Insert HTML if allowed
303     *
304     * @author Andreas Gohr <andi@splitbrain.org>
305     */
306    function html($text) {
307        global $conf;
308        if($conf['htmlok']){
309          $this->doc .= $text;
310        }else{
311          $this->file($text);
312        }
313    }
314
315    function preformatted($text) {
316        $this->doc .= '<pre class="code">' . $this->_xmlEntities($text) . '</pre>'. DOKU_LF;
317    }
318
319    function file($text) {
320        $this->doc .= '<pre class="file">' . $this->_xmlEntities($text). '</pre>'. DOKU_LF;
321    }
322
323    function quote_open() {
324        $this->doc .= '<blockquote>'.DOKU_LF;
325    }
326
327    function quote_close() {
328        $this->doc .= '</blockquote>'.DOKU_LF;
329    }
330
331    /**
332     * Callback for code text
333     *
334     * Uses GeSHi to highlight language syntax
335     *
336     * @author Andreas Gohr <andi@splitbrain.org>
337     */
338    function code($text, $language = NULL) {
339        global $conf;
340
341        if ( is_null($language) ) {
342            $this->preformatted($text);
343        } else {
344            //strip leading blank line
345            $text = preg_replace('/^\s*?\n/','',$text);
346            // Handle with Geshi here
347            require_once(DOKU_INC . 'inc/geshi.php');
348            $geshi = new GeSHi($text, strtolower($language), DOKU_INC . 'inc/geshi');
349            $geshi->set_encoding('utf-8');
350            $geshi->enable_classes();
351            $geshi->set_header_type(GESHI_HEADER_PRE);
352            $geshi->set_overall_class("code $language");
353            $geshi->set_link_target($conf['target']['extern']);
354
355            $text = $geshi->parse_code();
356            $this->doc .= $text;
357        }
358    }
359
360    function acronym($acronym) {
361
362        if ( array_key_exists($acronym, $this->acronyms) ) {
363
364            $title = $this->_xmlEntities($this->acronyms[$acronym]);
365
366            $this->doc .= '<acronym title="'.$title
367                .'">'.$this->_xmlEntities($acronym).'</acronym>';
368
369        } else {
370            $this->doc .= $this->_xmlEntities($acronym);
371        }
372    }
373
374    function smiley($smiley) {
375        if ( array_key_exists($smiley, $this->smileys) ) {
376            $title = $this->_xmlEntities($this->smileys[$smiley]);
377            $this->doc .= '<img src="'.DOKU_BASE.'lib/images/smileys/'.$this->smileys[$smiley].
378                '" align="middle" alt="'.
379                    $this->_xmlEntities($smiley).'" />';
380        } else {
381            $this->doc .= $this->_xmlEntities($smiley);
382        }
383    }
384
385    /*
386    * not used
387    function wordblock($word) {
388        if ( array_key_exists($word, $this->badwords) ) {
389            $this->doc .= '** BLEEP **';
390        } else {
391            $this->doc .= $this->_xmlEntities($word);
392        }
393    }
394    */
395
396    function entity($entity) {
397        if ( array_key_exists($entity, $this->entities) ) {
398            $this->doc .= $this->entities[$entity];
399        } else {
400            $this->doc .= $this->_xmlEntities($entity);
401        }
402    }
403
404    function multiplyentity($x, $y) {
405        $this->doc .= "$x&times;$y";
406    }
407
408    function singlequoteopening() {
409        $this->doc .= "&lsquo;";
410    }
411
412    function singlequoteclosing() {
413        $this->doc .= "&rsquo;";
414    }
415
416    function doublequoteopening() {
417        $this->doc .= "&ldquo;";
418    }
419
420    function doublequoteclosing() {
421        $this->doc .= "&rdquo;";
422    }
423
424    /**
425    */
426    function camelcaselink($link) {
427      $this->internallink($link,$link);
428    }
429
430
431    function locallink($hash, $name = NULL){
432        global $ID;
433        $name  = $this->_getLinkTitle($name, $hash, $isImage);
434        $hash  = $this->_headerToLink($hash);
435        $title = $ID.' &crarr;';
436        $this->doc .= '<a href="#'.$hash.'" title="'.$title.'" class="wikilink1">';
437        $this->doc .= $name;
438        $this->doc .= '</a>';
439    }
440
441    /**
442     * Render an internal Wiki Link
443     *
444     * $search and $returnonly are not for the renderer but are used
445     * elsewhere - no need to implement them in other renderers
446     *
447     * @author Andreas Gohr <andi@splitbrain.org>
448     */
449    function internallink($id, $name = NULL, $search=NULL,$returnonly=false) {
450        global $conf;
451        global $ID;
452        // default name is based on $id as given
453        $default = $this->_simpleTitle($id);
454        // now first resolve and clean up the $id
455        resolve_pageid(getNS($ID),$id,$exists);
456        $name = $this->_getLinkTitle($name, $default, $isImage, $id);
457        if ( !$isImage ) {
458            if ( $exists ) {
459                $class='wikilink1';
460            } else {
461                $class='wikilink2';
462            }
463        } else {
464            $class='media';
465        }
466
467        //keep hash anchor
468        list($id,$hash) = split('#',$id,2);
469
470        //prepare for formating
471        $link['target'] = $conf['target']['wiki'];
472        $link['style']  = '';
473        $link['pre']    = '';
474        $link['suf']    = '';
475        // highlight link to current page
476        if ($id == $ID) {
477            $link['pre']    = '<span class="curid">';
478            $link['suf']    = '</span>';
479        }
480        $link['more']   = 'onclick="return svchk()" onkeypress="return svchk()"';
481        $link['class']  = $class;
482        $link['url']    = wl($id);
483        $link['name']   = $name;
484        $link['title']  = $id;
485        //add search string
486        if($search){
487            ($conf['userewrite']) ? $link['url'].='?s=' : $link['url'].='&amp;s=';
488            $link['url'] .= urlencode($search);
489        }
490
491        //keep hash
492        if($hash) $link['url'].='#'.$hash;
493
494        //output formatted
495        if($returnonly){
496            return $this->_formatLink($link);
497        }else{
498            $this->doc .= $this->_formatLink($link);
499        }
500    }
501
502    function externallink($url, $name = NULL) {
503        global $conf;
504
505        $name = $this->_getLinkTitle($name, $url, $isImage);
506
507        // add protocol on simple short URLs
508        if(substr($url,0,3) == 'ftp' && (substr($url,0,6) != 'ftp://')) $url = 'ftp://'.$url;
509        if(substr($url,0,3) == 'www') $url = 'http://'.$url;
510
511        if ( !$isImage ) {
512            $class='urlextern';
513        } else {
514            $class='media';
515        }
516
517        //prepare for formating
518        $link['target'] = $conf['target']['extern'];
519        $link['style']  = '';
520        $link['pre']    = '';
521        $link['suf']    = '';
522        $link['more']   = 'onclick="return svchk()" onkeypress="return svchk()"';
523        $link['class']  = $class;
524        $link['url']    = $url;
525        $link['name']   = $name;
526        $link['title']  = $this->_xmlEntities($url);
527        if($conf['relnofollow']) $link['more'] .= ' rel="nofollow"';
528
529        //output formatted
530        $this->doc .= $this->_formatLink($link);
531    }
532
533    /**
534    */
535    function interwikilink($match, $name = NULL, $wikiName, $wikiUri) {
536        global $conf;
537
538        $link = array();
539        $link['target'] = $conf['target']['interwiki'];
540        $link['pre']    = '';
541        $link['suf']    = '';
542        $link['more']   = 'onclick="return svchk()" onkeypress="return svchk()"';
543        $link['name']   = $this->_getLinkTitle($name, $wikiUri, $isImage);
544
545        if ( !$isImage ) {
546            $link['class'] = 'interwiki';
547        } else {
548            $link['class'] = 'media';
549        }
550
551        //get interwiki URL
552        if ( isset($this->interwiki[$wikiName]) ) {
553            $url = $this->interwiki[$wikiName];
554        } else {
555            // Default to Google I'm feeling lucky
556            $url = 'http://www.google.com/search?q={URL}&amp;btnI=lucky';
557            $wikiName = 'go';
558        }
559
560        if(!$isImage){
561            //if ico exists set additional style
562            if(@file_exists(DOKU_INC.'lib/images/interwiki/'.$wikiName.'.png')){
563                $link['style']='background-image: url('.DOKU_BASE.'lib/images/interwiki/'.$wikiName.'.png)';
564            }elseif(@file_exists(DOKU_INC.'lib/images/interwiki/'.$wikiName.'.gif')){
565                $link['style']='background-image: url('.DOKU_BASE.'lib/images/interwiki/'.$wikiName.'.gif)';
566            }
567        }
568
569        //do we stay at the same server? Use local target
570        if( strpos($url,DOKU_URL) === 0 ){
571            $link['target'] = $conf['target']['wiki'];
572        }
573
574        //replace placeholder
575        if(preg_match('#\{(URL|NAME|SCHEME|HOST|PORT|PATH|QUERY)\}#',$url)){
576            //use placeholders
577            $url = str_replace('{URL}',urlencode($wikiUri),$url);
578            $url = str_replace('{NAME}',$wikiUri,$url);
579            $parsed = parse_url($wikiUri);
580            if(!$parsed['port']) $parsed['port'] = 80;
581            $url = str_replace('{SCHEME}',$parsed['scheme'],$url);
582            $url = str_replace('{HOST}',$parsed['host'],$url);
583            $url = str_replace('{PORT}',$parsed['port'],$url);
584            $url = str_replace('{PATH}',$parsed['path'],$url);
585            $url = str_replace('{QUERY}',$parsed['query'],$url);
586            $link['url'] = $url;
587        }else{
588            //default
589            $link['url'] = $url.urlencode($wikiUri);
590        }
591
592        $link['title'] = htmlspecialchars($link['url']);
593
594        //output formatted
595        $this->doc .= $this->_formatLink($link);
596    }
597
598    /**
599     */
600    function windowssharelink($url, $name = NULL) {
601        global $conf;
602        global $lang;
603        //simple setup
604        $link['target'] = $conf['target']['windows'];
605        $link['pre']    = '';
606        $link['suf']   = '';
607        $link['style']  = '';
608        //Display error on browsers other than IE
609        $link['more'] = 'onclick="if(document.all == null){alert(\''.
610                        $this->_xmlEntities($lang['nosmblinks'],ENT_QUOTES).
611                        '\');}" onkeypress="if(document.all == null){alert(\''.
612                        $this->_xmlEntities($lang['nosmblinks'],ENT_QUOTES).'\');}"';
613
614        $link['name'] = $this->_getLinkTitle($name, $url, $isImage);
615        if ( !$isImage ) {
616            $link['class'] = 'windows';
617        } else {
618            $link['class'] = 'media';
619        }
620
621
622        $link['title'] = $this->_xmlEntities($url);
623        $url = str_replace('\\','/',$url);
624        $url = 'file:///'.$url;
625        $link['url'] = $url;
626
627        //output formatted
628        $this->doc .= $this->_formatLink($link);
629    }
630
631    function emaillink($address, $name = NULL) {
632        global $conf;
633        //simple setup
634        $link = array();
635        $link['target'] = '';
636        $link['pre']    = '';
637        $link['suf']   = '';
638        $link['style']  = '';
639        $link['more']   = '';
640
641        //we just test for image here - we need to encode the title our self
642        $this->_getLinkTitle($name, $address, $isImage);
643        if ( !$isImage ) {
644            $link['class']='mail';
645        } else {
646            $link['class']='media';
647        }
648
649        //shields up
650        if($conf['mailguard']=='visible'){
651            //the mail name gets some visible encoding
652            $address = str_replace('@',' [at] ',$address);
653            $address = str_replace('.',' [dot] ',$address);
654            $address = str_replace('-',' [dash] ',$address);
655
656            $title   = $this->_xmlEntities($address);
657            if(empty($name)){
658                $name = $this->_xmlEntities($address);
659            }else{
660                $name = $this->_xmlEntities($name);
661            }
662        }elseif($conf['mailguard']=='hex'){
663            //encode every char to a hex entity
664            for ($x=0; $x < strlen($address); $x++) {
665                $encode .= '&#x' . bin2hex($address[$x]).';';
666            }
667            $address = $encode;
668            $title   = $encode;
669            if(empty($name)){
670                $name = $encode;
671            }else{
672                $name = $this->_xmlEntities($name);
673            }
674        }else{
675            //keep address as is
676            $title   = $this->_xmlEntities($address);
677            if(empty($name)){
678                $name = $this->_xmlEntities($address);
679            }else{
680                $name = $this->_xmlEntities($name);
681            }
682        }
683
684        $link['url']   = 'mailto:'.rawurlencode($address);
685        $link['name']  = $name;
686        $link['title'] = $title;
687
688        //output formatted
689        $this->doc .= $this->_formatLink($link);
690    }
691
692    /**
693     * @todo don't add link for flash
694     */
695    function internalmedia ($src, $title=NULL, $align=NULL, $width=NULL,
696                            $height=NULL, $cache=NULL) {
697        global $conf;
698        global $ID;
699        resolve_mediaid(getNS($ID),$src, $exists);
700
701        $link = array();
702        $link['class']  = 'media';
703        $link['style']  = '';
704        $link['pre']    = '';
705        $link['suf']    = '';
706        $link['more']   = 'onclick="return svchk()" onkeypress="return svchk()"';
707        $link['target'] = $conf['target']['media'];
708
709        $link['title']  = $this->_xmlEntities($src);
710        list($ext,$mime) = mimetype($src);
711        if(substr($mime,0,5) == 'image'){
712            $link['url']= DOKU_BASE.'lib/exe/detail.php?id='.$ID.'&amp;cache='.$cache.'&amp;media='.urlencode($src);
713        }else{
714            $link['url']= DOKU_BASE.'lib/exe/fetch.php?cache='.$cache.'&amp;media='.urlencode($src);
715        }
716        $link['name']   = $this->_media ($src, $title, $align, $width, $height, $cache);
717
718
719        //output formatted
720        $this->doc .= $this->_formatLink($link);
721    }
722
723    /**
724     * @todo don't add link for flash
725     */
726    function externalmedia ($src, $title=NULL, $align=NULL, $width=NULL,
727                            $height=NULL, $cache=NULL) {
728        global $conf;
729
730        $link = array();
731        $link['class']  = 'media';
732        $link['style']  = '';
733        $link['pre']    = '';
734        $link['suf']    = '';
735        $link['more']   = 'onclick="return svchk()" onkeypress="return svchk()"';
736        $link['target'] = $conf['target']['media'];
737
738        $link['title']  = $this->_xmlEntities($src);
739        $link['url']    = DOKU_BASE.'lib/exe/fetch.php?cache='.$cache.'&amp;media='.urlencode($src);
740        $link['name']   = $this->_media ($src, $title, $align, $width, $height, $cache);
741
742
743        //output formatted
744        $this->doc .= $this->_formatLink($link);
745    }
746
747    /**
748     * Renders an RSS feed using Magpie
749     *
750     * @author Andreas Gohr <andi@splitbrain.org>
751     */
752    function rss ($url){
753        global $lang;
754        define('MAGPIE_CACHE_ON', false); //we do our own caching
755        define('MAGPIE_DIR', DOKU_INC.'inc/magpie/');
756        define('MAGPIE_OUTPUT_ENCODING','UTF-8'); //return all feeds as UTF-8
757        require_once(MAGPIE_DIR.'/rss_fetch.inc');
758
759        //disable warning while fetching
760        $elvl = error_reporting(E_ERROR);
761        $rss  = fetch_rss($url);
762        error_reporting($elvl);
763
764        $this->doc .= '<ul class="rss">';
765        if($rss){
766            foreach ($rss->items as $item ) {
767                $this->doc .= '<li>';
768                $this->externallink($item['link'],$item['title']);
769                $this->doc .= '</li>';
770            }
771        }else{
772            $this->doc .= '<li>';
773            $this->doc .= '<em>'.$lang['rssfailed'].'</em>';
774            $this->externallink($url);
775            $this->doc .= '</li>';
776        }
777        $this->doc .= '</ul>';
778    }
779
780    // $numrows not yet implemented
781    function table_open($maxcols = NULL, $numrows = NULL){
782        $this->doc .= '<table class="inline">'.DOKU_LF;
783    }
784
785    function table_close(){
786        $this->doc .= '</table>'.DOKU_LF.'<br />'.DOKU_LF;
787    }
788
789    function tablerow_open(){
790        $this->doc .= DOKU_TAB . '<tr>' . DOKU_LF . DOKU_TAB . DOKU_TAB;
791    }
792
793    function tablerow_close(){
794        $this->doc .= DOKU_LF . DOKU_TAB . '</tr>' . DOKU_LF;
795    }
796
797    function tableheader_open($colspan = 1, $align = NULL){
798        $this->doc .= '<th';
799        if ( !is_null($align) ) {
800            $this->doc .= ' class="'.$align.'align"';
801        }
802        if ( $colspan > 1 ) {
803            $this->doc .= ' colspan="'.$colspan.'"';
804        }
805        $this->doc .= '>';
806    }
807
808    function tableheader_close(){
809        $this->doc .= '</th>';
810    }
811
812    function tablecell_open($colspan = 1, $align = NULL){
813        $this->doc .= '<td';
814        if ( !is_null($align) ) {
815            $this->doc .= ' class="'.$align.'align"';
816        }
817        if ( $colspan > 1 ) {
818            $this->doc .= ' colspan="'.$colspan.'"';
819        }
820        $this->doc .= '>';
821    }
822
823    function tablecell_close(){
824        $this->doc .= '</td>';
825    }
826
827    //----------------------------------------------------------
828    // Utils
829
830    /**
831     * Build a link
832     *
833     * Assembles all parts defined in $link returns HTML for the link
834     *
835     * @author Andreas Gohr <andi@splitbrain.org>
836     */
837    function _formatLink($link){
838        //make sure the url is XHTML compliant (skip mailto)
839        if(substr($link['url'],0,7) != 'mailto:'){
840            $link['url'] = str_replace('&','&amp;',$link['url']);
841            $link['url'] = str_replace('&amp;amp;','&amp;',$link['url']);
842        }
843        //remove double encodings in titles
844        $link['title'] = str_replace('&amp;amp;','&amp;',$link['title']);
845
846        $ret  = '';
847        $ret .= $link['pre'];
848        $ret .= '<a href="'.$link['url'].'"';
849        if($link['class'])  $ret .= ' class="'.$link['class'].'"';
850        if($link['target']) $ret .= ' target="'.$link['target'].'"';
851        if($link['title'])  $ret .= ' title="'.$link['title'].'"';
852        if($link['style'])  $ret .= ' style="'.$link['style'].'"';
853        if($link['more'])   $ret .= ' '.$link['more'];
854        $ret .= '>';
855        $ret .= $link['name'];
856        $ret .= '</a>';
857        $ret .= $link['suf'];
858        return $ret;
859    }
860
861    /**
862     * Removes any Namespace from the given name but keeps
863     * casing and special chars
864     *
865     * @author Andreas Gohr <andi@splitbrain.org>
866     */
867    function _simpleTitle($name){
868        global $conf;
869
870        if($conf['useslash']){
871            $nssep = '[:;/]';
872        }else{
873            $nssep = '[:;]';
874        }
875        $name = preg_replace('!.*'.$nssep.'!','',$name);
876        //if there is a hash we use the ancor name only
877        $name = preg_replace('!.*#!','',$name);
878        return $name;
879    }
880
881    /**
882     * Renders internal and external media
883     *
884     * @author Andreas Gohr <andi@splitbrain.org>
885     */
886    function _media ($src, $title=NULL, $align=NULL, $width=NULL,
887                      $height=NULL, $cache=NULL) {
888
889        $ret = '';
890
891        list($ext,$mime) = mimetype($src);
892        if(substr($mime,0,5) == 'image'){
893            //add image tag
894            $ret .= '<img src="'.DOKU_BASE.'lib/exe/fetch.php?w='.$width.'&amp;h='.$height.
895                    '&amp;cache='.$cache.'&amp;media='.urlencode($src).'"';
896
897            $ret .= ' class="media'.$align.'"';
898
899            if (!is_null($title)) {
900                $ret .= ' title="'.$this->_xmlEntities($title).'"';
901                $ret .= ' alt="'.$this->_xmlEntities($title).'"';
902            }elseif($ext == 'jpg' || $ext == 'jpeg'){
903                //try to use the caption from IPTC/EXIF
904                require_once(DOKU_INC.'inc/JpegMeta.php');
905                $jpeg =& new JpegMeta(mediaFN($src));
906                if($jpeg !== false) $cap = $jpeg->getTitle();
907                if($cap){
908                    $ret .= ' title="'.$this->_xmlEntities($cap).'"';
909                    $ret .= ' alt="'.$this->_xmlEntities($cap).'"';
910                }
911            }else{
912                $ret .= ' alt=""';
913            }
914
915            if ( !is_null($width) )
916                $ret .= ' width="'.$this->_xmlEntities($width).'"';
917
918            if ( !is_null($height) )
919                $ret .= ' height="'.$this->_xmlEntities($height).'"';
920
921            $ret .= ' />';
922
923        }elseif($mime == 'application/x-shockwave-flash'){
924            $ret .= '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"'.
925                    ' codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0"';
926            if ( !is_null($width) ) $ret .= ' width="'.$this->_xmlEntities($width).'"';
927            if ( !is_null($height) ) $ret .= ' height="'.$this->_xmlEntities($height).'"';
928            $ret .= '>'.DOKU_LF;
929            $ret .= '<param name="movie" value="'.DOKU_BASE.'lib/exe/fetch.php?media='.urlencode($src).'" />'.DOKU_LF;
930            $ret .= '<param name="quality" value="high" />'.DOKU_LF;
931            $ret .= '<embed src="'.DOKU_BASE.'lib/exe/fetch.php?media='.urlencode($src).'"'.
932                    ' quality="high"';
933            if ( !is_null($width) ) $ret .= ' width="'.$this->_xmlEntities($width).'"';
934            if ( !is_null($height) ) $ret .= ' height="'.$this->_xmlEntities($height).'"';
935            $ret .= ' type="application/x-shockwave-flash"'.
936                    ' pluginspage="http://www.macromedia.com/go/getflashplayer"></embed>'.DOKU_LF;
937            $ret .= '</object>'.DOKU_LF;
938
939        }elseif(!is_null($title)){
940            // well at least we have a title to display
941            $ret .= $this->_xmlEntities($title);
942        }else{
943            // just show the source
944            $ret .= $this->_xmlEntities($src);
945        }
946
947        return $ret;
948    }
949
950    function _xmlEntities($string) {
951        return htmlspecialchars($string);
952    }
953
954    function _headerToLink($title) {
955        return str_replace(':','',cleanID($title));
956    }
957
958    /**
959     * Adds code for section editing button
960     *
961     * This is just aplaceholder and gets replace by the button if
962     * section editing is allowed
963     *
964     * @author Andreas Gohr <andi@splitbrain.org>
965     */
966    function _secedit($f, $t){
967        $this->doc .= '<!-- SECTION ['.$f.'-'.$t.'] -->';
968    }
969
970    /**
971     * Construct a title and handle images in titles
972     *
973     * @author Harry Fuecks <hfuecks@gmail.com>
974     */
975    function _getLinkTitle($title, $default, & $isImage, $id=NULL) {
976        global $conf;
977
978        $isImage = FALSE;
979        if ( is_null($title) ) {
980            if ($conf['useheading'] && $id) {
981                $heading = p_get_first_heading($id);
982                if ($heading) {
983                    return $this->_xmlEntities($heading);
984                }
985            }
986            return $this->_xmlEntities($default);
987        } else if ( is_string($title) ) {
988            return $this->_xmlEntities($title);
989        } else if ( is_array($title) ) {
990            $isImage = TRUE;
991            return $this->_imageTitle($title);
992        }
993    }
994
995    /**
996     * Returns an HTML code for images used in link titles
997     *
998     * @todo Resolve namespace on internal images
999     * @author Andreas Gohr <andi@splitbrain.org>
1000     */
1001    function _imageTitle($img) {
1002        return $this->_media($img['src'],
1003                              $img['title'],
1004                              $img['align'],
1005                              $img['width'],
1006                              $img['height'],
1007                              $img['cache']);
1008    }
1009}
1010
1011//Setup VIM: ex: et ts=4 enc=utf-8 :
1012