xref: /dokuwiki/inc/parser/handler.php (revision 9a3b7d9f166ec2227b91614228c308f50d3e259f) 
1<?php
2if(!defined('DOKU_INC')) define('DOKU_INC',fullpath(dirname(__FILE__).'/../../').'/');
3
4class Doku_Handler {
5
6    var $Renderer = NULL;
7
8    var $CallWriter = NULL;
9
10    var $calls = array();
11
12    var $status = array(
13        'section' => false,
14        'section_edit_start' => -1,
15        'section_edit_level' => 1,
16        'section_edit_title' => ''
17    );
18
19    var $rewriteBlocks = true;
20
21    function Doku_Handler() {
22        $this->CallWriter = & new Doku_Handler_CallWriter($this);
23    }
24
25    function _addCall($handler, $args, $pos) {
26        $call = array($handler,$args, $pos);
27        $this->CallWriter->writeCall($call);
28    }
29
30    function addPluginCall($plugin, $args, $state, $pos) {
31        $call = array('plugin',array($plugin, $args, $state), $pos);
32        $this->CallWriter->writeCall($call);
33    }
34
35    function _finalize(){
36
37        $this->CallWriter->finalise();
38
39        if ( $this->status['section'] ) {
40           $last_call = end($this->calls);
41           array_push($this->calls,array('section_close',array(), $last_call[2]));
42           if ($this->status['section_edit_start']>1) {
43               // ignore last edit section if there is only one header
44               array_push($this->calls,array('section_edit',array($this->status['section_edit_start'], 0, $this->status['section_edit_level'], $this->status['section_edit_title']), $last_call[2]));
45           }
46        }
47
48        if ( $this->rewriteBlocks ) {
49            $B = & new Doku_Handler_Block();
50            $this->calls = $B->process($this->calls);
51        }
52
53        trigger_event('PARSER_HANDLER_DONE',$this);
54
55        array_unshift($this->calls,array('document_start',array(),0));
56        $last_call = end($this->calls);
57        array_push($this->calls,array('document_end',array(),$last_call[2]));
58    }
59
60    function fetch() {
61        $call = each($this->calls);
62        if ( $call ) {
63            return $call['value'];
64        }
65        return false;
66    }
67
68
69    /**
70     * Special plugin handler
71     *
72     * This handler is called for all modes starting with 'plugin_'.
73     * An additional parameter with the plugin name is passed
74     *
75     * @author Andreas Gohr <andi@splitbrain.org>
76     */
77    function plugin($match, $state, $pos, $pluginname){
78        $data = array($match);
79        $plugin =& plugin_load('syntax',$pluginname);
80        if($plugin != null){
81            $data = $plugin->handle($match, $state, $pos, $this);
82        }
83        $this->addPluginCall($pluginname,$data,$state,$pos);
84        return true;
85    }
86
87    function base($match, $state, $pos) {
88        switch ( $state ) {
89            case DOKU_LEXER_UNMATCHED:
90                $this->_addCall('cdata',array($match), $pos);
91                return true;
92            break;
93
94        }
95    }
96
97    function header($match, $state, $pos) {
98        global $conf;
99
100        // get level and title
101        $title = trim($match);
102        $level = 7 - strspn($title,'=');
103        if($level < 1) $level = 1;
104        $title = trim($title,'=');
105        $title = trim($title);
106
107        if ($this->status['section']) $this->_addCall('section_close',array(),$pos);
108
109        if ($level<=$conf['maxseclevel']) {
110            $this->_addCall('section_edit',array($this->status['section_edit_start'], $pos-1, $this->status['section_edit_level'], $this->status['section_edit_title']), $pos);
111            $this->status['section_edit_start'] = $pos;
112            $this->status['section_edit_level'] = $level;
113            $this->status['section_edit_title'] = $title;
114        }
115
116        $this->_addCall('header',array($title,$level,$pos), $pos);
117
118        $this->_addCall('section_open',array($level),$pos);
119        $this->status['section'] = true;
120        return true;
121    }
122
123    function notoc($match, $state, $pos) {
124        $this->_addCall('notoc',array(),$pos);
125        return true;
126    }
127
128    function nocache($match, $state, $pos) {
129        $this->_addCall('nocache',array(),$pos);
130        return true;
131    }
132
133    function linebreak($match, $state, $pos) {
134        $this->_addCall('linebreak',array(),$pos);
135        return true;
136    }
137
138    function eol($match, $state, $pos) {
139        $this->_addCall('eol',array(),$pos);
140        return true;
141    }
142
143    function hr($match, $state, $pos) {
144        $this->_addCall('hr',array(),$pos);
145        return true;
146    }
147
148    function _nestingTag($match, $state, $pos, $name) {
149        switch ( $state ) {
150            case DOKU_LEXER_ENTER:
151                $this->_addCall($name.'_open', array(), $pos);
152            break;
153            case DOKU_LEXER_EXIT:
154                $this->_addCall($name.'_close', array(), $pos);
155            break;
156            case DOKU_LEXER_UNMATCHED:
157                $this->_addCall('cdata',array($match), $pos);
158            break;
159        }
160    }
161
162    function strong($match, $state, $pos) {
163        $this->_nestingTag($match, $state, $pos, 'strong');
164        return true;
165    }
166
167    function emphasis($match, $state, $pos) {
168        $this->_nestingTag($match, $state, $pos, 'emphasis');
169        return true;
170    }
171
172    function underline($match, $state, $pos) {
173        $this->_nestingTag($match, $state, $pos, 'underline');
174        return true;
175    }
176
177    function monospace($match, $state, $pos) {
178        $this->_nestingTag($match, $state, $pos, 'monospace');
179        return true;
180    }
181
182    function subscript($match, $state, $pos) {
183        $this->_nestingTag($match, $state, $pos, 'subscript');
184        return true;
185    }
186
187    function superscript($match, $state, $pos) {
188        $this->_nestingTag($match, $state, $pos, 'superscript');
189        return true;
190    }
191
192    function deleted($match, $state, $pos) {
193        $this->_nestingTag($match, $state, $pos, 'deleted');
194        return true;
195    }
196
197
198    function footnote($match, $state, $pos) {
199//        $this->_nestingTag($match, $state, $pos, 'footnote');
200        if (!isset($this->_footnote)) $this->_footnote = false;
201
202        switch ( $state ) {
203            case DOKU_LEXER_ENTER:
204                // footnotes can not be nested - however due to limitations in lexer it can't be prevented
205                // we will still enter a new footnote mode, we just do nothing
206                if ($this->_footnote) {
207                  $this->_addCall('cdata',array($match), $pos);
208                  break;
209                }
210
211                $this->_footnote = true;
212
213                $ReWriter = & new Doku_Handler_Nest($this->CallWriter,'footnote_close');
214                $this->CallWriter = & $ReWriter;
215                $this->_addCall('footnote_open', array(), $pos);
216            break;
217            case DOKU_LEXER_EXIT:
218                // check whether we have already exitted the footnote mode, can happen if the modes were nested
219                if (!$this->_footnote) {
220                  $this->_addCall('cdata',array($match), $pos);
221                  break;
222                }
223
224                $this->_footnote = false;
225
226                $this->_addCall('footnote_close', array(), $pos);
227                $this->CallWriter->process();
228                $ReWriter = & $this->CallWriter;
229                $this->CallWriter = & $ReWriter->CallWriter;
230            break;
231            case DOKU_LEXER_UNMATCHED:
232                $this->_addCall('cdata', array($match), $pos);
233            break;
234        }
235        return true;
236    }
237
238    function listblock($match, $state, $pos) {
239        switch ( $state ) {
240            case DOKU_LEXER_ENTER:
241                $ReWriter = & new Doku_Handler_List($this->CallWriter);
242                $this->CallWriter = & $ReWriter;
243                $this->_addCall('list_open', array($match), $pos);
244            break;
245            case DOKU_LEXER_EXIT:
246                $this->_addCall('list_close', array(), $pos);
247                $this->CallWriter->process();
248                $ReWriter = & $this->CallWriter;
249                $this->CallWriter = & $ReWriter->CallWriter;
250            break;
251            case DOKU_LEXER_MATCHED:
252                $this->_addCall('list_item', array($match), $pos);
253            break;
254            case DOKU_LEXER_UNMATCHED:
255                $this->_addCall('cdata', array($match), $pos);
256            break;
257        }
258        return true;
259    }
260
261    function unformatted($match, $state, $pos) {
262        if ( $state == DOKU_LEXER_UNMATCHED ) {
263            $this->_addCall('unformatted',array($match), $pos);
264        }
265        return true;
266    }
267
268    function php($match, $state, $pos) {
269        global $conf;
270        if ( $state == DOKU_LEXER_UNMATCHED ) {
271            if ($conf['phpok']) {
272                $this->_addCall('php',array($match), $pos);
273            } else {
274                $this->_addCall('file',array($match), $pos);
275            }
276        }
277        return true;
278    }
279
280    function phpblock($match, $state, $pos) {
281        global $conf;
282        if ( $state == DOKU_LEXER_UNMATCHED ) {
283            if ($conf['phpok']) {
284                $this->_addCall('phpblock',array($match), $pos);
285            } else {
286                $this->_addCall('file',array($match), $pos);
287            }
288        }
289        return true;
290    }
291
292    function html($match, $state, $pos) {
293        global $conf;
294        if ( $state == DOKU_LEXER_UNMATCHED ) {
295            if($conf['htmlok']){
296                $this->_addCall('html',array($match), $pos);
297            } else {
298                $this->_addCall('file',array($match), $pos);
299            }
300        }
301        return true;
302    }
303
304    function htmlblock($match, $state, $pos) {
305        global $conf;
306        if ( $state == DOKU_LEXER_UNMATCHED ) {
307            if($conf['htmlok']){
308                $this->_addCall('htmlblock',array($match), $pos);
309            } else {
310                $this->_addCall('file',array($match), $pos);
311            }
312        }
313        return true;
314    }
315
316    function preformatted($match, $state, $pos) {
317        switch ( $state ) {
318            case DOKU_LEXER_ENTER:
319                $ReWriter = & new Doku_Handler_Preformatted($this->CallWriter);
320                $this->CallWriter = & $ReWriter;
321                $this->_addCall('preformatted_start',array(), $pos);
322            break;
323            case DOKU_LEXER_EXIT:
324                $this->_addCall('preformatted_end',array(), $pos);
325                $this->CallWriter->process();
326                $ReWriter = & $this->CallWriter;
327                $this->CallWriter = & $ReWriter->CallWriter;
328            break;
329            case DOKU_LEXER_MATCHED:
330                $this->_addCall('preformatted_newline',array(), $pos);
331            break;
332            case DOKU_LEXER_UNMATCHED:
333                $this->_addCall('preformatted_content',array($match), $pos);
334            break;
335        }
336
337        return true;
338    }
339
340    function file($match, $state, $pos) {
341        if ( $state == DOKU_LEXER_UNMATCHED ) {
342            $this->_addCall('file',array($match), $pos);
343        }
344        return true;
345    }
346
347    function quote($match, $state, $pos) {
348
349        switch ( $state ) {
350
351            case DOKU_LEXER_ENTER:
352                $ReWriter = & new Doku_Handler_Quote($this->CallWriter);
353                $this->CallWriter = & $ReWriter;
354                $this->_addCall('quote_start',array($match), $pos);
355            break;
356
357            case DOKU_LEXER_EXIT:
358                $this->_addCall('quote_end',array(), $pos);
359                $this->CallWriter->process();
360                $ReWriter = & $this->CallWriter;
361                $this->CallWriter = & $ReWriter->CallWriter;
362            break;
363
364            case DOKU_LEXER_MATCHED:
365                $this->_addCall('quote_newline',array($match), $pos);
366            break;
367
368            case DOKU_LEXER_UNMATCHED:
369                $this->_addCall('cdata',array($match), $pos);
370            break;
371
372        }
373
374        return true;
375    }
376
377    function code($match, $state, $pos) {
378        switch ( $state ) {
379            case DOKU_LEXER_UNMATCHED:
380                $matches = preg_split('/>/u',$match,2);
381                $matches[0] = trim($matches[0]);
382                if ( trim($matches[0]) == '' ) {
383                    $matches[0] = NULL;
384                }
385                # $matches[0] contains name of programming language
386                # if available, We shortcut html here.
387                if($matches[0] == 'html') $matches[0] = 'html4strict';
388                $this->_addCall(
389                        'code',
390                        array($matches[1],$matches[0]),
391                        $pos
392                    );
393            break;
394        }
395        return true;
396    }
397
398    function acronym($match, $state, $pos) {
399        $this->_addCall('acronym',array($match), $pos);
400        return true;
401    }
402
403    function smiley($match, $state, $pos) {
404        $this->_addCall('smiley',array($match), $pos);
405        return true;
406    }
407
408    function wordblock($match, $state, $pos) {
409        $this->_addCall('wordblock',array($match), $pos);
410        return true;
411    }
412
413    function entity($match, $state, $pos) {
414        $this->_addCall('entity',array($match), $pos);
415        return true;
416    }
417
418    function multiplyentity($match, $state, $pos) {
419        preg_match_all('/\d+/',$match,$matches);
420        $this->_addCall('multiplyentity',array($matches[0][0],$matches[0][1]), $pos);
421        return true;
422    }
423
424    function singlequoteopening($match, $state, $pos) {
425        $this->_addCall('singlequoteopening',array(), $pos);
426        return true;
427    }
428
429    function singlequoteclosing($match, $state, $pos) {
430        $this->_addCall('singlequoteclosing',array(), $pos);
431        return true;
432    }
433
434    function apostrophe($match, $state, $pos) {
435        $this->_addCall('apostrophe',array(), $pos);
436        return true;
437    }
438
439    function doublequoteopening($match, $state, $pos) {
440        $this->_addCall('doublequoteopening',array(), $pos);
441        return true;
442    }
443
444    function doublequoteclosing($match, $state, $pos) {
445        $this->_addCall('doublequoteclosing',array(), $pos);
446        return true;
447    }
448
449    function camelcaselink($match, $state, $pos) {
450        $this->_addCall('camelcaselink',array($match), $pos);
451        return true;
452    }
453
454    /*
455    */
456    function internallink($match, $state, $pos) {
457        // Strip the opening and closing markup
458        $link = preg_replace(array('/^\[\[/','/\]\]$/u'),'',$match);
459
460        // Split title from URL
461        $link = preg_split('/\|/u',$link,2);
462        if ( !isset($link[1]) ) {
463            $link[1] = NULL;
464        } else if ( preg_match('/^\{\{[^\}]+\}\}$/',$link[1]) ) {
465            // If the title is an image, convert it to an array containing the image details
466            $link[1] = Doku_Handler_Parse_Media($link[1]);
467        }
468        $link[0] = trim($link[0]);
469
470        //decide which kind of link it is
471
472        if ( preg_match('/^[a-zA-Z\.]+>{1}.*$/u',$link[0]) ) {
473        // Interwiki
474            $interwiki = preg_split('/>/u',$link[0]);
475            $this->_addCall(
476                'interwikilink',
477                array($link[0],$link[1],strtolower($interwiki[0]),$interwiki[1]),
478                $pos
479                );
480        }elseif ( preg_match('/^\\\\\\\\[\w.:?\-;,]+?\\\\/u',$link[0]) ) {
481        // Windows Share
482            $this->_addCall(
483                'windowssharelink',
484                array($link[0],$link[1]),
485                $pos
486                );
487        }elseif ( preg_match('#^([a-z0-9\-\.+]+?)://#i',$link[0]) ) {
488        // external link (accepts all protocols)
489            $this->_addCall(
490                    'externallink',
491                    array($link[0],$link[1]),
492                    $pos
493                    );
494        }elseif ( preg_match('<'.PREG_PATTERN_VALID_EMAIL.'>',$link[0]) ) {
495        // E-Mail (pattern above is defined in inc/mail.php)
496            $this->_addCall(
497                'emaillink',
498                array($link[0],$link[1]),
499                $pos
500                );
501        }elseif ( preg_match('!^#.+!',$link[0]) ){
502        // local link
503            $this->_addCall(
504                'locallink',
505                array(substr($link[0],1),$link[1]),
506                $pos
507                );
508        }else{
509        // internal link
510            $this->_addCall(
511                'internallink',
512                array($link[0],$link[1]),
513                $pos
514                );
515        }
516
517        return true;
518    }
519
520    function filelink($match, $state, $pos) {
521        $this->_addCall('filelink',array($match, NULL), $pos);
522        return true;
523    }
524
525    function windowssharelink($match, $state, $pos) {
526        $this->_addCall('windowssharelink',array($match, NULL), $pos);
527        return true;
528    }
529
530    function media($match, $state, $pos) {
531        $p = Doku_Handler_Parse_Media($match);
532
533        $this->_addCall(
534              $p['type'],
535              array($p['src'], $p['title'], $p['align'], $p['width'],
536                     $p['height'], $p['cache'], $p['linking']),
537              $pos
538             );
539        return true;
540    }
541
542    function rss($match, $state, $pos) {
543        $link = preg_replace(array('/^\{\{rss>/','/\}\}$/'),'',$match);
544
545        // get params
546        list($link,$params) = explode(' ',$link,2);
547
548        $p = array();
549        if(preg_match('/\b(\d+)\b/',$params,$match)){
550            $p['max'] = $match[1];
551        }else{
552            $p['max'] = 8;
553        }
554        $p['reverse'] = (preg_match('/rev/',$params));
555        $p['author']  = (preg_match('/\b(by|author)/',$params));
556        $p['date']    = (preg_match('/\b(date)/',$params));
557        $p['details'] = (preg_match('/\b(desc|detail)/',$params));
558
559        if (preg_match('/\b(\d+)([dhm])\b/',$params,$match)) {
560          $period = array('d' => 86400, 'h' => 3600, 'm' => 60);
561          $p['refresh'] = max(600,$match[1]*$period[$match[2]]);  // n * period in seconds, minimum 10 minutes
562        } else {
563          $p['refresh'] = 14400;   // default to 4 hours
564        }
565
566        $this->_addCall('rss',array($link,$p),$pos);
567        return true;
568    }
569
570    function externallink($match, $state, $pos) {
571        $url   = $match;
572        $title = null;
573
574        // add protocol on simple short URLs
575        if(substr($url,0,3) == 'ftp' && (substr($url,0,6) != 'ftp://')){
576            $title = $url;
577            $url   = 'ftp://'.$url;
578        }
579        if(substr($url,0,3) == 'www' && (substr($url,0,7) != 'http://')){
580            $title = $url;
581            $url = 'http://'.$url;
582        }
583
584        $this->_addCall('externallink',array($url, $title), $pos);
585        return true;
586    }
587
588    function emaillink($match, $state, $pos) {
589        $email = preg_replace(array('/^</','/>$/'),'',$match);
590        $this->_addCall('emaillink',array($email, NULL), $pos);
591        return true;
592    }
593
594    function table($match, $state, $pos) {
595        switch ( $state ) {
596
597            case DOKU_LEXER_ENTER:
598
599                $ReWriter = & new Doku_Handler_Table($this->CallWriter);
600                $this->CallWriter = & $ReWriter;
601
602                $this->_addCall('table_start', array(), $pos);
603                //$this->_addCall('table_row', array(), $pos);
604                if ( trim($match) == '^' ) {
605                    $this->_addCall('tableheader', array(), $pos);
606                } else {
607                    $this->_addCall('tablecell', array(), $pos);
608                }
609            break;
610
611            case DOKU_LEXER_EXIT:
612                $this->_addCall('table_end', array(), $pos);
613                $this->CallWriter->process();
614                $ReWriter = & $this->CallWriter;
615                $this->CallWriter = & $ReWriter->CallWriter;
616            break;
617
618            case DOKU_LEXER_UNMATCHED:
619                if ( trim($match) != '' ) {
620                    $this->_addCall('cdata',array($match), $pos);
621                }
622            break;
623
624            case DOKU_LEXER_MATCHED:
625                if ( $match == ' ' ){
626                    $this->_addCall('cdata', array($match), $pos);
627                } else if ( preg_match('/\t+/',$match) ) {
628                    $this->_addCall('table_align', array($match), $pos);
629                } else if ( preg_match('/ {2,}/',$match) ) {
630                    $this->_addCall('table_align', array($match), $pos);
631                } else if ( $match == "\n|" ) {
632                    $this->_addCall('table_row', array(), $pos);
633                    $this->_addCall('tablecell', array(), $pos);
634                } else if ( $match == "\n^" ) {
635                    $this->_addCall('table_row', array(), $pos);
636                    $this->_addCall('tableheader', array(), $pos);
637                } else if ( $match == '|' ) {
638                    $this->_addCall('tablecell', array(), $pos);
639                } else if ( $match == '^' ) {
640                    $this->_addCall('tableheader', array(), $pos);
641                }
642            break;
643        }
644        return true;
645    }
646}
647
648//------------------------------------------------------------------------
649function Doku_Handler_Parse_Media($match) {
650
651    // Strip the opening and closing markup
652    $link = preg_replace(array('/^\{\{/','/\}\}$/u'),'',$match);
653
654    // Split title from URL
655    $link = preg_split('/\|/u',$link,2);
656
657
658    // Check alignment
659    $ralign = (bool)preg_match('/^ /',$link[0]);
660    $lalign = (bool)preg_match('/ $/',$link[0]);
661
662    // Logic = what's that ;)...
663    if ( $lalign & $ralign ) {
664        $align = 'center';
665    } else if ( $ralign ) {
666        $align = 'right';
667    } else if ( $lalign ) {
668        $align = 'left';
669    } else {
670        $align = NULL;
671    }
672
673    // The title...
674    if ( !isset($link[1]) ) {
675        $link[1] = NULL;
676    }
677
678    //remove aligning spaces
679    $link[0] = trim($link[0]);
680
681    //split into src and parameters (using the very last questionmark)
682    $pos = strrpos($link[0], '?');
683    if($pos !== false){
684        $src   = substr($link[0],0,$pos);
685        $param = substr($link[0],$pos+1);
686    }else{
687        $src   = $link[0];
688        $param = '';
689    }
690
691    //parse width and height
692    if(preg_match('#(\d+)(x(\d+))?#i',$param,$size)){
693        ($size[1]) ? $w = $size[1] : $w = NULL;
694        ($size[3]) ? $h = $size[3] : $h = NULL;
695    } else {
696        $w = NULL;
697        $h = NULL;
698    }
699
700    //get linking command
701    if(preg_match('/nolink/i',$param)){
702        $linking = 'nolink';
703    }else if(preg_match('/direct/i',$param)){
704        $linking = 'direct';
705    }else{
706        $linking = 'details';
707    }
708
709    //get caching command
710    if (preg_match('/(nocache|recache)/i',$param,$cachemode)){
711        $cache = $cachemode[1];
712    }else{
713        $cache = 'cache';
714    }
715
716    // Check whether this is a local or remote image
717    if ( preg_match('#^(https?|ftp)#i',$src) ) {
718        $call = 'externalmedia';
719    } else {
720        $call = 'internalmedia';
721    }
722
723    $params = array(
724        'type'=>$call,
725        'src'=>$src,
726        'title'=>$link[1],
727        'align'=>$align,
728        'width'=>$w,
729        'height'=>$h,
730        'cache'=>$cache,
731        'linking'=>$linking,
732    );
733
734    return $params;
735}
736
737//------------------------------------------------------------------------
738class Doku_Handler_CallWriter {
739
740    var $Handler;
741
742    function Doku_Handler_CallWriter(& $Handler) {
743        $this->Handler = & $Handler;
744    }
745
746    function writeCall($call) {
747        $this->Handler->calls[] = $call;
748    }
749
750    function writeCalls($calls) {
751        $this->Handler->calls = array_merge($this->Handler->calls, $calls);
752    }
753
754    // function is required, but since this call writer is first/highest in
755    // the chain it is not required to do anything
756    function finalise() {
757    }
758}
759
760//------------------------------------------------------------------------
761/**
762 * Generic call writer class to handle nesting of rendering instructions
763 * within a render instruction. Also see nest() method of renderer base class
764 *
765 * @author    Chris Smith <chris@jalakai.co.uk>
766 */
767class Doku_Handler_Nest {
768
769    var $CallWriter;
770    var $calls = array();
771
772    var $closingInstruction;
773
774    /**
775     * constructor
776     *
777     * @param  object     $CallWriter     the renderers current call writer
778     * @param  string     $close          closing instruction name, this is required to properly terminate the
779     *                                    syntax mode if the document ends without a closing pattern
780     */
781    function Doku_Handler_Nest(& $CallWriter, $close="nest_close") {
782        $this->CallWriter = & $CallWriter;
783
784        $this->closingInstruction = $close;
785    }
786
787    function writeCall($call) {
788        $this->calls[] = $call;
789    }
790
791    function writeCalls($calls) {
792        $this->calls = array_merge($this->calls, $calls);
793    }
794
795    function finalise() {
796        $last_call = end($this->calls);
797        $this->writeCall(array($this->closingInstruction,array(), $last_call[2]));
798
799        $this->process();
800        $this->CallWriter->finalise();
801    }
802
803    function process() {
804        $first_call = reset($this->calls);
805        $this->CallWriter->writeCall(array("nest", array($this->calls), $first_call[2]));
806    }
807}
808
809class Doku_Handler_List {
810
811    var $CallWriter;
812
813    var $calls = array();
814    var $listCalls = array();
815    var $listStack = array();
816
817    function Doku_Handler_List(& $CallWriter) {
818        $this->CallWriter = & $CallWriter;
819    }
820
821    function writeCall($call) {
822        $this->calls[] = $call;
823    }
824
825    // Probably not needed but just in case...
826    function writeCalls($calls) {
827        $this->calls = array_merge($this->calls, $calls);
828#        $this->CallWriter->writeCalls($this->calls);
829    }
830
831    function finalise() {
832        $last_call = end($this->calls);
833        $this->writeCall(array('list_close',array(), $last_call[2]));
834
835        $this->process();
836        $this->CallWriter->finalise();
837    }
838
839    //------------------------------------------------------------------------
840    function process() {
841
842        foreach ( $this->calls as $call ) {
843            switch ($call[0]) {
844                case 'list_item':
845                    $this->listOpen($call);
846                break;
847                case 'list_open':
848                    $this->listStart($call);
849                break;
850                case 'list_close':
851                    $this->listEnd($call);
852                break;
853                default:
854                    $this->listContent($call);
855                break;
856            }
857        }
858
859        $this->CallWriter->writeCalls($this->listCalls);
860    }
861
862    //------------------------------------------------------------------------
863    function listStart($call) {
864        $depth = $this->interpretSyntax($call[1][0], $listType);
865
866        $this->initialDepth = $depth;
867        $this->listStack[] = array($listType, $depth);
868
869        $this->listCalls[] = array('list'.$listType.'_open',array(),$call[2]);
870        $this->listCalls[] = array('listitem_open',array(1),$call[2]);
871        $this->listCalls[] = array('listcontent_open',array(),$call[2]);
872    }
873
874    //------------------------------------------------------------------------
875    function listEnd($call) {
876        $closeContent = true;
877
878        while ( $list = array_pop($this->listStack) ) {
879            if ( $closeContent ) {
880                $this->listCalls[] = array('listcontent_close',array(),$call[2]);
881                $closeContent = false;
882            }
883            $this->listCalls[] = array('listitem_close',array(),$call[2]);
884            $this->listCalls[] = array('list'.$list[0].'_close', array(), $call[2]);
885        }
886    }
887
888    //------------------------------------------------------------------------
889    function listOpen($call) {
890        $depth = $this->interpretSyntax($call[1][0], $listType);
891        $end = end($this->listStack);
892
893        // Not allowed to be shallower than initialDepth
894        if ( $depth < $this->initialDepth ) {
895            $depth = $this->initialDepth;
896        }
897
898        //------------------------------------------------------------------------
899        if ( $depth == $end[1] ) {
900
901            // Just another item in the list...
902            if ( $listType == $end[0] ) {
903                $this->listCalls[] = array('listcontent_close',array(),$call[2]);
904                $this->listCalls[] = array('listitem_close',array(),$call[2]);
905                $this->listCalls[] = array('listitem_open',array($depth-1),$call[2]);
906                $this->listCalls[] = array('listcontent_open',array(),$call[2]);
907
908            // Switched list type...
909            } else {
910
911                $this->listCalls[] = array('listcontent_close',array(),$call[2]);
912                $this->listCalls[] = array('listitem_close',array(),$call[2]);
913                $this->listCalls[] = array('list'.$end[0].'_close', array(), $call[2]);
914                $this->listCalls[] = array('list'.$listType.'_open', array(), $call[2]);
915                $this->listCalls[] = array('listitem_open', array($depth-1), $call[2]);
916                $this->listCalls[] = array('listcontent_open',array(),$call[2]);
917
918                array_pop($this->listStack);
919                $this->listStack[] = array($listType, $depth);
920            }
921
922        //------------------------------------------------------------------------
923        // Getting deeper...
924        } else if ( $depth > $end[1] ) {
925
926            $this->listCalls[] = array('listcontent_close',array(),$call[2]);
927            $this->listCalls[] = array('list'.$listType.'_open', array(), $call[2]);
928            $this->listCalls[] = array('listitem_open', array($depth-1), $call[2]);
929            $this->listCalls[] = array('listcontent_open',array(),$call[2]);
930
931            $this->listStack[] = array($listType, $depth);
932
933        //------------------------------------------------------------------------
934        // Getting shallower ( $depth < $end[1] )
935        } else {
936            $this->listCalls[] = array('listcontent_close',array(),$call[2]);
937            $this->listCalls[] = array('listitem_close',array(),$call[2]);
938            $this->listCalls[] = array('list'.$end[0].'_close',array(),$call[2]);
939
940            // Throw away the end - done
941            array_pop($this->listStack);
942
943            while (1) {
944                $end = end($this->listStack);
945
946                if ( $end[1] <= $depth ) {
947
948                    // Normalize depths
949                    $depth = $end[1];
950
951                    $this->listCalls[] = array('listitem_close',array(),$call[2]);
952
953                    if ( $end[0] == $listType ) {
954                        $this->listCalls[] = array('listitem_open',array($depth-1),$call[2]);
955                        $this->listCalls[] = array('listcontent_open',array(),$call[2]);
956
957                    } else {
958                        // Switching list type...
959                        $this->listCalls[] = array('list'.$end[0].'_close', array(), $call[2]);
960                        $this->listCalls[] = array('list'.$listType.'_open', array(), $call[2]);
961                        $this->listCalls[] = array('listitem_open', array($depth-1), $call[2]);
962                        $this->listCalls[] = array('listcontent_open',array(),$call[2]);
963
964                        array_pop($this->listStack);
965                        $this->listStack[] = array($listType, $depth);
966                    }
967
968                    break;
969
970                // Haven't dropped down far enough yet.... ( $end[1] > $depth )
971                } else {
972
973                    $this->listCalls[] = array('listitem_close',array(),$call[2]);
974                    $this->listCalls[] = array('list'.$end[0].'_close',array(),$call[2]);
975
976                    array_pop($this->listStack);
977
978                }
979
980            }
981
982        }
983    }
984
985    //------------------------------------------------------------------------
986    function listContent($call) {
987        $this->listCalls[] = $call;
988    }
989
990    //------------------------------------------------------------------------
991    function interpretSyntax($match, & $type) {
992        if ( substr($match,-1) == '*' ) {
993            $type = 'u';
994        } else {
995            $type = 'o';
996        }
997        return count(explode('  ',str_replace("\t",'  ',$match)));
998    }
999}
1000
1001//------------------------------------------------------------------------
1002class Doku_Handler_Preformatted {
1003
1004    var $CallWriter;
1005
1006    var $calls = array();
1007    var $pos;
1008    var $text ='';
1009
1010
1011
1012    function Doku_Handler_Preformatted(& $CallWriter) {
1013        $this->CallWriter = & $CallWriter;
1014    }
1015
1016    function writeCall($call) {
1017        $this->calls[] = $call;
1018    }
1019
1020    // Probably not needed but just in case...
1021    function writeCalls($calls) {
1022        $this->calls = array_merge($this->calls, $calls);
1023#        $this->CallWriter->writeCalls($this->calls);
1024    }
1025
1026    function finalise() {
1027        $last_call = end($this->calls);
1028        $this->writeCall(array('preformatted_end',array(), $last_call[2]));
1029
1030        $this->process();
1031        $this->CallWriter->finalise();
1032    }
1033
1034    function process() {
1035        foreach ( $this->calls as $call ) {
1036            switch ($call[0]) {
1037                case 'preformatted_start':
1038                    $this->pos = $call[2];
1039                break;
1040                case 'preformatted_newline':
1041                    $this->text .= "\n";
1042                break;
1043                case 'preformatted_content':
1044                    $this->text .= $call[1][0];
1045                break;
1046                case 'preformatted_end':
1047                    $this->CallWriter->writeCall(array('preformatted',array($this->text),$this->pos));
1048                break;
1049            }
1050        }
1051    }
1052
1053}
1054
1055//------------------------------------------------------------------------
1056class Doku_Handler_Quote {
1057
1058    var $CallWriter;
1059
1060    var $calls = array();
1061
1062    var $quoteCalls = array();
1063
1064    function Doku_Handler_Quote(& $CallWriter) {
1065        $this->CallWriter = & $CallWriter;
1066    }
1067
1068    function writeCall($call) {
1069        $this->calls[] = $call;
1070    }
1071
1072    // Probably not needed but just in case...
1073    function writeCalls($calls) {
1074        $this->calls = array_merge($this->calls, $calls);
1075#        $this->CallWriter->writeCalls($this->calls);
1076    }
1077
1078    function finalise() {
1079        $last_call = end($this->calls);
1080        $this->writeCall(array('quote_end',array(), $last_call[2]));
1081
1082        $this->process();
1083        $this->CallWriter->finalise();
1084    }
1085
1086    function process() {
1087
1088        $quoteDepth = 1;
1089
1090        foreach ( $this->calls as $call ) {
1091            switch ($call[0]) {
1092
1093                case 'quote_start':
1094
1095                    $this->quoteCalls[] = array('quote_open',array(),$call[2]);
1096
1097                case 'quote_newline':
1098
1099                    $quoteLength = $this->getDepth($call[1][0]);
1100
1101                    if ( $quoteLength > $quoteDepth ) {
1102                        $quoteDiff = $quoteLength - $quoteDepth;
1103                        for ( $i = 1; $i <= $quoteDiff; $i++ ) {
1104                            $this->quoteCalls[] = array('quote_open',array(),$call[2]);
1105                        }
1106                    } else if ( $quoteLength < $quoteDepth ) {
1107                        $quoteDiff = $quoteDepth - $quoteLength;
1108                        for ( $i = 1; $i <= $quoteDiff; $i++ ) {
1109                            $this->quoteCalls[] = array('quote_close',array(),$call[2]);
1110                        }
1111                    } else {
1112                        if ($call[0] != 'quote_start') $this->quoteCalls[] = array('linebreak',array(),$call[2]);
1113                    }
1114
1115                    $quoteDepth = $quoteLength;
1116
1117                break;
1118
1119                case 'quote_end':
1120
1121                    if ( $quoteDepth > 1 ) {
1122                        $quoteDiff = $quoteDepth - 1;
1123                        for ( $i = 1; $i <= $quoteDiff; $i++ ) {
1124                            $this->quoteCalls[] = array('quote_close',array(),$call[2]);
1125                        }
1126                    }
1127
1128                    $this->quoteCalls[] = array('quote_close',array(),$call[2]);
1129
1130                    $this->CallWriter->writeCalls($this->quoteCalls);
1131                break;
1132
1133                default:
1134                    $this->quoteCalls[] = $call;
1135                break;
1136            }
1137        }
1138    }
1139
1140    function getDepth($marker) {
1141        preg_match('/>{1,}/', $marker, $matches);
1142        $quoteLength = strlen($matches[0]);
1143        return $quoteLength;
1144    }
1145}
1146
1147//------------------------------------------------------------------------
1148class Doku_Handler_Table {
1149
1150    var $CallWriter;
1151
1152    var $calls = array();
1153    var $tableCalls = array();
1154    var $maxCols = 0;
1155    var $maxRows = 1;
1156    var $currentCols = 0;
1157    var $firstCell = false;
1158    var $lastCellType = 'tablecell';
1159
1160    function Doku_Handler_Table(& $CallWriter) {
1161        $this->CallWriter = & $CallWriter;
1162    }
1163
1164    function writeCall($call) {
1165        $this->calls[] = $call;
1166    }
1167
1168    // Probably not needed but just in case...
1169    function writeCalls($calls) {
1170        $this->calls = array_merge($this->calls, $calls);
1171#        $this->CallWriter->writeCalls($this->calls);
1172    }
1173
1174    function finalise() {
1175        $last_call = end($this->calls);
1176        $this->writeCall(array('table_end',array(), $last_call[2]));
1177
1178        $this->process();
1179        $this->CallWriter->finalise();
1180    }
1181
1182    //------------------------------------------------------------------------
1183    function process() {
1184        foreach ( $this->calls as $call ) {
1185            switch ( $call[0] ) {
1186                case 'table_start':
1187                    $this->tableStart($call);
1188                break;
1189                case 'table_row':
1190                    $this->tableRowClose(array('tablerow_close',$call[1],$call[2]));
1191                    $this->tableRowOpen(array('tablerow_open',$call[1],$call[2]));
1192                break;
1193                case 'tableheader':
1194                case 'tablecell':
1195                    $this->tableCell($call);
1196                break;
1197                case 'table_end':
1198                    $this->tableRowClose(array('tablerow_close',$call[1],$call[2]));
1199                    $this->tableEnd($call);
1200                break;
1201                default:
1202                    $this->tableDefault($call);
1203                break;
1204            }
1205        }
1206        $this->CallWriter->writeCalls($this->tableCalls);
1207    }
1208
1209    function tableStart($call) {
1210        $this->tableCalls[] = array('table_open',array(),$call[2]);
1211        $this->tableCalls[] = array('tablerow_open',array(),$call[2]);
1212        $this->firstCell = true;
1213    }
1214
1215    function tableEnd($call) {
1216        $this->tableCalls[] = array('table_close',array(),$call[2]);
1217        $this->finalizeTable();
1218    }
1219
1220    function tableRowOpen($call) {
1221        $this->tableCalls[] = $call;
1222        $this->currentCols = 0;
1223        $this->firstCell = true;
1224        $this->lastCellType = 'tablecell';
1225        $this->maxRows++;
1226    }
1227
1228    function tableRowClose($call) {
1229        // Strip off final cell opening and anything after it
1230        while ( $discard = array_pop($this->tableCalls ) ) {
1231
1232            if ( $discard[0] == 'tablecell_open' || $discard[0] == 'tableheader_open') {
1233
1234                // Its a spanning element - put it back and close it
1235                if ( $discard[1][0] > 1 ) {
1236
1237                    $this->tableCalls[] = $discard;
1238                    if ( strstr($discard[0],'cell') ) {
1239                        $name = 'tablecell';
1240                    } else {
1241                        $name = 'tableheader';
1242                    }
1243                    $this->tableCalls[] = array($name.'_close',array(),$call[2]);
1244                }
1245
1246                break;
1247            }
1248        }
1249        $this->tableCalls[] = $call;
1250
1251        if ( $this->currentCols > $this->maxCols ) {
1252            $this->maxCols = $this->currentCols;
1253        }
1254    }
1255
1256    function tableCell($call) {
1257        if ( !$this->firstCell ) {
1258
1259            // Increase the span
1260            $lastCall = end($this->tableCalls);
1261
1262            // A cell call which follows an open cell means an empty cell so span
1263            if ( $lastCall[0] == 'tablecell_open' || $lastCall[0] == 'tableheader_open' ) {
1264                 $this->tableCalls[] = array('colspan',array(),$call[2]);
1265
1266            }
1267
1268            $this->tableCalls[] = array($this->lastCellType.'_close',array(),$call[2]);
1269            $this->tableCalls[] = array($call[0].'_open',array(1,NULL),$call[2]);
1270            $this->lastCellType = $call[0];
1271
1272        } else {
1273
1274            $this->tableCalls[] = array($call[0].'_open',array(1,NULL),$call[2]);
1275            $this->lastCellType = $call[0];
1276            $this->firstCell = false;
1277
1278        }
1279
1280        $this->currentCols++;
1281    }
1282
1283    function tableDefault($call) {
1284        $this->tableCalls[] = $call;
1285    }
1286
1287    function finalizeTable() {
1288
1289        // Add the max cols and rows to the table opening
1290        if ( $this->tableCalls[0][0] == 'table_open' ) {
1291            // Adjust to num cols not num col delimeters
1292            $this->tableCalls[0][1][] = $this->maxCols - 1;
1293            $this->tableCalls[0][1][] = $this->maxRows;
1294        } else {
1295            trigger_error('First element in table call list is not table_open');
1296        }
1297
1298        $lastRow = 0;
1299        $lastCell = 0;
1300        $toDelete = array();
1301
1302        // Look for the colspan elements and increment the colspan on the
1303        // previous non-empty opening cell. Once done, delete all the cells
1304        // that contain colspans
1305        foreach ( $this->tableCalls as $key => $call ) {
1306
1307            if ( $call[0] == 'tablerow_open' ) {
1308
1309                $lastRow = $key;
1310
1311            } else if ( $call[0] == 'tablecell_open' || $call[0] == 'tableheader_open' ) {
1312
1313                $lastCell = $key;
1314
1315            } else if ( $call[0] == 'table_align' ) {
1316
1317                // If the previous element was a cell open, align right
1318                if ( $this->tableCalls[$key-1][0] == 'tablecell_open' || $this->tableCalls[$key-1][0] == 'tableheader_open' ) {
1319                    $this->tableCalls[$key-1][1][1] = 'right';
1320
1321                // If the next element if the close of an element, align either center or left
1322                } else if ( $this->tableCalls[$key+1][0] == 'tablecell_close' || $this->tableCalls[$key+1][0] == 'tableheader_close' ) {
1323                    if ( $this->tableCalls[$lastCell][1][1] == 'right' ) {
1324                        $this->tableCalls[$lastCell][1][1] = 'center';
1325                    } else {
1326                        $this->tableCalls[$lastCell][1][1] = 'left';
1327                    }
1328
1329                }
1330
1331                // Now convert the whitespace back to cdata
1332                $this->tableCalls[$key][0] = 'cdata';
1333
1334            } else if ( $call[0] == 'colspan' ) {
1335
1336                $this->tableCalls[$key-1][1][0] = false;
1337
1338                for($i = $key-2; $i > $lastRow; $i--) {
1339
1340                    if ( $this->tableCalls[$i][0] == 'tablecell_open' || $this->tableCalls[$i][0] == 'tableheader_open' ) {
1341
1342                        if ( false !== $this->tableCalls[$i][1][0] ) {
1343                            $this->tableCalls[$i][1][0]++;
1344                            break;
1345                        }
1346
1347
1348                    }
1349                }
1350
1351                $toDelete[] = $key-1;
1352                $toDelete[] = $key;
1353                $toDelete[] = $key+1;
1354            }
1355        }
1356
1357
1358        // condense cdata
1359        $cnt = count($this->tableCalls);
1360        for( $key = 0; $key < $cnt; $key++){
1361            if($this->tableCalls[$key][0] == 'cdata'){
1362                $ckey = $key;
1363                $key++;
1364                while($this->tableCalls[$key][0] == 'cdata'){
1365                    $this->tableCalls[$ckey][1][0] .= $this->tableCalls[$key][1][0];
1366                    $toDelete[] = $key;
1367                    $key++;
1368                }
1369                continue;
1370            }
1371        }
1372
1373        foreach ( $toDelete as $delete ) {
1374            unset($this->tableCalls[$delete]);
1375        }
1376        $this->tableCalls = array_values($this->tableCalls);
1377    }
1378}
1379
1380//------------------------------------------------------------------------
1381class Doku_Handler_Section {
1382
1383    function process($calls) {
1384
1385        $sectionCalls = array();
1386        $inSection = false;
1387
1388        foreach ( $calls as $call ) {
1389
1390            if ( $call[0] == 'header' ) {
1391
1392                if ( $inSection ) {
1393                    $sectionCalls[] = array('section_close',array(), $call[2]);
1394                }
1395
1396                $sectionCalls[] = $call;
1397                $sectionCalls[] = array('section_open',array($call[1][1]), $call[2]);
1398                $inSection = true;
1399
1400            } else {
1401
1402                if ($call[0] == 'section_open' )  {
1403                    $inSection = true;
1404                } else if ($call[0] == 'section_open' ) {
1405                    $inSection = false;
1406                }
1407                $sectionCalls[] = $call;
1408            }
1409        }
1410
1411        if ( $inSection ) {
1412            $sectionCalls[] = array('section_close',array(), $call[2]);
1413        }
1414
1415        return $sectionCalls;
1416    }
1417
1418}
1419
1420/**
1421 * Handler for paragraphs
1422 *
1423 * @author Harry Fuecks <hfuecks@gmail.com>
1424 */
1425class Doku_Handler_Block {
1426
1427    var $calls = array();
1428
1429    var $blockStack = array();
1430
1431    var $inParagraph = false;
1432    var $atStart = true;
1433    var $skipEolKey = -1;
1434
1435    // Blocks these should not be inside paragraphs
1436    var $blockOpen = array(
1437            'header',
1438            'listu_open','listo_open','listitem_open','listcontent_open',
1439            'table_open','tablerow_open','tablecell_open','tableheader_open',
1440            'quote_open',
1441            'section_open', // Needed to prevent p_open between header and section_open
1442            'code','file','hr','preformatted','rss',
1443            'htmlblock','phpblock',
1444        );
1445
1446    var $blockClose = array(
1447            'header',
1448            'listu_close','listo_close','listitem_close','listcontent_close',
1449            'table_close','tablerow_close','tablecell_close','tableheader_close',
1450            'quote_close',
1451            'section_close', // Needed to prevent p_close after section_close
1452            'code','file','hr','preformatted','rss',
1453            'htmlblock','phpblock',
1454        );
1455
1456    // Stacks can contain paragraphs
1457    var $stackOpen = array(
1458        'footnote_open','section_open',
1459        );
1460
1461    var $stackClose = array(
1462        'footnote_close','section_close',
1463        );
1464
1465
1466    /**
1467     * Constructor. Adds loaded syntax plugins to the block and stack
1468     * arrays
1469     *
1470     * @author Andreas Gohr <andi@splitbrain.org>
1471     */
1472    function Doku_Handler_Block(){
1473        global $DOKU_PLUGINS;
1474        //check if syntax plugins were loaded
1475        if(empty($DOKU_PLUGINS['syntax'])) return;
1476        foreach($DOKU_PLUGINS['syntax'] as $n => $p){
1477            $ptype = $p->getPType();
1478            if($ptype == 'block'){
1479                $this->blockOpen[]  = 'plugin_'.$n;
1480                $this->blockClose[] = 'plugin_'.$n;
1481            }elseif($ptype == 'stack'){
1482                $this->stackOpen[]  = 'plugin_'.$n;
1483                $this->stackClose[] = 'plugin_'.$n;
1484            }
1485        }
1486    }
1487
1488    /**
1489     * Close a paragraph if needed
1490     *
1491     * This function makes sure there are no empty paragraphs on the stack
1492     *
1493     * @author Andreas Gohr <andi@splitbrain.org>
1494     */
1495    function closeParagraph($pos){
1496        // look back if there was any content - we don't want empty paragraphs
1497        $content = '';
1498        for($i=count($this->calls)-1; $i>=0; $i--){
1499            if($this->calls[$i][0] == 'p_open'){
1500                break;
1501            }elseif($this->calls[$i][0] == 'cdata'){
1502                $content .= $this->calls[$i][1][0];
1503            }else{
1504                $content = 'found markup';
1505                break;
1506            }
1507        }
1508
1509        if(trim($content)==''){
1510            //remove the whole paragraph
1511            array_splice($this->calls,$i);
1512        }else{
1513            if ($this->calls[count($this->calls)-1][0] == 'section_edit') {
1514                $tmp = array_pop($this->calls);
1515                $this->calls[] = array('p_close',array(), $pos);
1516                $this->calls[] = $tmp;
1517            } else {
1518                $this->calls[] = array('p_close',array(), $pos);
1519            }
1520        }
1521
1522        $this->inParagraph = false;
1523    }
1524
1525    /**
1526     * Processes the whole instruction stack to open and close paragraphs
1527     *
1528     * @author Harry Fuecks <hfuecks@gmail.com>
1529     * @author Andreas Gohr <andi@splitbrain.org>
1530     * @todo   This thing is really messy and should be rewritten
1531     */
1532    function process($calls) {
1533        foreach ( $calls as $key => $call ) {
1534            $cname = $call[0];
1535            if($cname == 'plugin') {
1536                $cname='plugin_'.$call[1][0];
1537
1538                $plugin = true;
1539                $plugin_open = (($call[1][2] == DOKU_LEXER_ENTER) || ($call[1][2] == DOKU_LEXER_SPECIAL));
1540                $plugin_close = (($call[1][2] == DOKU_LEXER_EXIT) || ($call[1][2] == DOKU_LEXER_SPECIAL));
1541            } else {
1542                $plugin = false;
1543            }
1544
1545            // Process blocks which are stack like... (contain linefeeds)
1546            if ( in_array($cname,$this->stackOpen ) && (!$plugin || $plugin_open) ) {
1547
1548                $this->calls[] = $call;
1549
1550                // Hack - footnotes shouldn't immediately contain a p_open
1551                if ( $cname != 'footnote_open' ) {
1552                    $this->addToStack();
1553                } else {
1554                    $this->addToStack(false);
1555                }
1556                continue;
1557            }
1558
1559            if ( in_array($cname,$this->stackClose ) && (!$plugin || $plugin_close)) {
1560
1561                if ( $this->inParagraph ) {
1562                    $this->closeParagraph($call[2]);
1563                }
1564                $this->calls[] = $call;
1565                $this->removeFromStack();
1566                continue;
1567            }
1568
1569            if ( !$this->atStart ) {
1570
1571                if ( $cname == 'eol' ) {
1572
1573                    // Check this isn't an eol instruction to skip...
1574                    if ( $this->skipEolKey != $key ) {
1575                        // Look to see if the next instruction is an EOL
1576                        if ( isset($calls[$key+1]) && $calls[$key+1][0] == 'eol' ) {
1577
1578                            if ( $this->inParagraph ) {
1579                                //$this->calls[] = array('p_close',array(), $call[2]);
1580                                $this->closeParagraph($call[2]);
1581                            }
1582
1583                            $this->calls[] = array('p_open',array(), $call[2]);
1584                            $this->inParagraph = true;
1585
1586
1587                            // Mark the next instruction for skipping
1588                            $this->skipEolKey = $key+1;
1589
1590                        }else{
1591                            //if this is just a single eol make a space from it
1592                            $this->calls[] = array('cdata',array(" "), $call[2]);
1593                        }
1594                    }
1595
1596
1597                } else {
1598
1599                    $storeCall = true;
1600                    if ( $this->inParagraph && (in_array($cname, $this->blockOpen) && (!$plugin || $plugin_open))) {
1601                        $this->closeParagraph($call[2]);
1602                        $this->calls[] = $call;
1603                        $storeCall = false;
1604                    }
1605
1606                    if ( in_array($cname, $this->blockClose) && (!$plugin || $plugin_close)) {
1607                        if ( $this->inParagraph ) {
1608                            $this->closeParagraph($call[2]);
1609                        }
1610                        if ( $storeCall ) {
1611                            $this->calls[] = $call;
1612                            $storeCall = false;
1613                        }
1614
1615                        // This really sucks and suggests this whole class sucks but...
1616                        if ( isset($calls[$key+1])) {
1617                            $cname_plusone = $calls[$key+1][0];
1618                            if ($cname_plusone == 'plugin') {
1619                                $cname_plusone = 'plugin'.$calls[$key+1][1][0];
1620
1621                                // plugin test, true if plugin has a state which precludes it requiring blockOpen or blockClose
1622                                $plugin_plusone = true;
1623                                $plugin_test = ($call[$key+1][1][2] == DOKU_LEXER_MATCHED) || ($call[$key+1][1][2] == DOKU_LEXER_MATCHED);
1624                            } else {
1625                                $plugin_plusone = false;
1626                            }
1627                            if ((!in_array($cname_plusone, $this->blockOpen) && !in_array($cname_plusone, $this->blockClose)) ||
1628                                ($plugin_plusone && $plugin_test)
1629                                ) {
1630
1631                                $this->calls[] = array('p_open',array(), $call[2]);
1632                                $this->inParagraph = true;
1633                            }
1634                        }
1635                    }
1636
1637                    if ( $storeCall ) {
1638                        $this->calls[] = $call;
1639                    }
1640
1641                }
1642
1643
1644            } else {
1645
1646                // Unless there's already a block at the start, start a paragraph
1647                if ( !in_array($cname,$this->blockOpen) ) {
1648                    $this->calls[] = array('p_open',array(), $call[2]);
1649                    if ( $call[0] != 'eol' ) {
1650                        $this->calls[] = $call;
1651                    }
1652                    $this->atStart = false;
1653                    $this->inParagraph = true;
1654                } else {
1655                    $this->calls[] = $call;
1656                    $this->atStart = false;
1657                }
1658
1659            }
1660
1661        }
1662
1663        if ( $this->inParagraph ) {
1664            if ( $cname == 'p_open' ) {
1665                // Ditch the last call
1666                array_pop($this->calls);
1667            } else if ( !in_array($cname, $this->blockClose) ) {
1668                //$this->calls[] = array('p_close',array(), $call[2]);
1669                $this->closeParagraph($call[2]);
1670            } else {
1671                $last_call = array_pop($this->calls);
1672                //$this->calls[] = array('p_close',array(), $call[2]);
1673                $this->closeParagraph($call[2]);
1674                $this->calls[] = $last_call;
1675            }
1676        }
1677
1678        return $this->calls;
1679    }
1680
1681    function addToStack($newStart = true) {
1682        $this->blockStack[] = array($this->atStart, $this->inParagraph);
1683        $this->atStart = $newStart;
1684        $this->inParagraph = false;
1685    }
1686
1687    function removeFromStack() {
1688        $state = array_pop($this->blockStack);
1689        $this->atStart = $state[0];
1690        $this->inParagraph = $state[1];
1691    }
1692}
1693
1694//Setup VIM: ex: et ts=4 enc=utf-8 :
1695