xref: /dokuwiki/inc/parser/handler.php (revision 1d5856cfe64e778c70fece0d08d36f153be16600) 
1<?php
2if(!defined('DOKU_INC')) define('DOKU_INC',realpath(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 _finalize(){
31
32		    $this->CallWriter->finalise();
33
34        if ( $this->status['section'] ) {
35           $last_call = end($this->calls);
36           array_push($this->calls,array('section_close',array(), $last_call[2]));
37           if ($this->status['section_edit_start']>1) {
38               // ignore last edit section if there is only one header
39               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]));
40           }
41        }
42
43        if ( $this->rewriteBlocks ) {
44            $B = & new Doku_Handler_Block();
45            $this->calls = $B->process($this->calls);
46        }
47
48        trigger_event('PARSER_HANDLER_DONE',$this);
49
50        array_unshift($this->calls,array('document_start',array(),0));
51        $last_call = end($this->calls);
52        array_push($this->calls,array('document_end',array(),$last_call[2]));
53    }
54
55    function fetch() {
56        $call = each($this->calls);
57        if ( $call ) {
58            return $call['value'];
59        }
60        return FALSE;
61    }
62
63
64    /**
65     * Special plugin handler
66     *
67     * This handler is called for all modes starting with 'plugin_'.
68     * An additional parameter with the plugin name is passed
69     *
70     * @author Andreas Gohr <andi@splitbrain.org>
71     */
72    function plugin($match, $state, $pos, $pluginname){
73        $data = array($match);
74        $plugin =& plugin_load('syntax',$pluginname);
75        if($plugin != null){
76            $data = $plugin->handle($match, $state, $pos, $this);
77        }
78        $this->_addCall('plugin',array($pluginname,$data,$state),$pos);
79        return TRUE;
80    }
81
82    function base($match, $state, $pos) {
83        switch ( $state ) {
84            case DOKU_LEXER_UNMATCHED:
85                $this->_addCall('cdata',array($match), $pos);
86                return TRUE;
87            break;
88
89        }
90    }
91
92    function header($match, $state, $pos) {
93        global $conf;
94
95        // get level and title
96        $title = trim($match);
97        $level = 7 - strspn($title,'=');
98        if($level < 1) $level = 1;
99        $title = trim($title,'=');
100        $title = trim($title);
101
102        if ($this->status['section']) $this->_addCall('section_close',array(),$pos);
103
104        if ($level<=$conf['maxseclevel']) {
105            $this->_addCall('section_edit',array($this->status['section_edit_start'], $pos-1, $this->status['section_edit_level'], $this->status['section_edit_title']), $pos);
106            $this->status['section_edit_start'] = $pos;
107            $this->status['section_edit_level'] = $level;
108            $this->status['section_edit_title'] = $title;
109        }
110
111        $this->_addCall('header',array($title,$level,$pos), $pos);
112
113        $this->_addCall('section_open',array($level),$pos);
114        $this->status['section'] = TRUE;
115        return TRUE;
116    }
117
118    function notoc($match, $state, $pos) {
119        $this->_addCall('notoc',array(),$pos);
120        return TRUE;
121    }
122
123    function nocache($match, $state, $pos) {
124        $this->_addCall('nocache',array(),$pos);
125        return TRUE;
126    }
127
128    function linebreak($match, $state, $pos) {
129        $this->_addCall('linebreak',array(),$pos);
130        return TRUE;
131    }
132
133    function eol($match, $state, $pos) {
134        $this->_addCall('eol',array(),$pos);
135        return TRUE;
136    }
137
138    function hr($match, $state, $pos) {
139        $this->_addCall('hr',array(),$pos);
140        return TRUE;
141    }
142
143    function _nestingTag($match, $state, $pos, $name) {
144        switch ( $state ) {
145            case DOKU_LEXER_ENTER:
146                $this->_addCall($name.'_open', array(), $pos);
147            break;
148            case DOKU_LEXER_EXIT:
149                $this->_addCall($name.'_close', array(), $pos);
150            break;
151            case DOKU_LEXER_UNMATCHED:
152                $this->_addCall('cdata',array($match), $pos);
153            break;
154        }
155    }
156
157    function strong($match, $state, $pos) {
158        $this->_nestingTag($match, $state, $pos, 'strong');
159        return TRUE;
160    }
161
162    function emphasis($match, $state, $pos) {
163        $this->_nestingTag($match, $state, $pos, 'emphasis');
164        return TRUE;
165    }
166
167    function underline($match, $state, $pos) {
168        $this->_nestingTag($match, $state, $pos, 'underline');
169        return TRUE;
170    }
171
172    function monospace($match, $state, $pos) {
173        $this->_nestingTag($match, $state, $pos, 'monospace');
174        return TRUE;
175    }
176
177    function subscript($match, $state, $pos) {
178        $this->_nestingTag($match, $state, $pos, 'subscript');
179        return TRUE;
180    }
181
182    function superscript($match, $state, $pos) {
183        $this->_nestingTag($match, $state, $pos, 'superscript');
184        return TRUE;
185    }
186
187    function deleted($match, $state, $pos) {
188        $this->_nestingTag($match, $state, $pos, 'deleted');
189        return TRUE;
190    }
191
192
193    function footnote($match, $state, $pos) {
194        $this->_nestingTag($match, $state, $pos, 'footnote');
195        return TRUE;
196    }
197
198    function listblock($match, $state, $pos) {
199        switch ( $state ) {
200            case DOKU_LEXER_ENTER:
201                $ReWriter = & new Doku_Handler_List($this->CallWriter);
202                $this->CallWriter = & $ReWriter;
203                $this->_addCall('list_open', array($match), $pos);
204            break;
205            case DOKU_LEXER_EXIT:
206                $this->_addCall('list_close', array(), $pos);
207                $this->CallWriter->process();
208                $ReWriter = & $this->CallWriter;
209                $this->CallWriter = & $ReWriter->CallWriter;
210            break;
211            case DOKU_LEXER_MATCHED:
212                $this->_addCall('list_item', array($match), $pos);
213            break;
214            case DOKU_LEXER_UNMATCHED:
215                $this->_addCall('cdata', array($match), $pos);
216            break;
217        }
218        return TRUE;
219    }
220
221    function unformatted($match, $state, $pos) {
222        if ( $state == DOKU_LEXER_UNMATCHED ) {
223            $this->_addCall('unformatted',array($match), $pos);
224        }
225        return TRUE;
226    }
227
228    function php($match, $state, $pos) {
229        global $conf;
230        if ( $state == DOKU_LEXER_UNMATCHED ) {
231            if ($conf['phpok']) {
232                $this->_addCall('php',array($match), $pos);
233            } else {
234                $this->_addCall('file',array($match), $pos);
235            }
236        }
237        return TRUE;
238    }
239
240    function html($match, $state, $pos) {
241        global $conf;
242        if ( $state == DOKU_LEXER_UNMATCHED ) {
243            if($conf['htmlok']){
244                $this->_addCall('html',array($match), $pos);
245            } else {
246                $this->_addCall('file',array($match), $pos);
247            }
248        }
249        return TRUE;
250    }
251
252    function preformatted($match, $state, $pos) {
253        switch ( $state ) {
254            case DOKU_LEXER_ENTER:
255                $ReWriter = & new Doku_Handler_Preformatted($this->CallWriter);
256                $this->CallWriter = & $ReWriter;
257                $this->_addCall('preformatted_start',array(), $pos);
258            break;
259            case DOKU_LEXER_EXIT:
260                $this->_addCall('preformatted_end',array(), $pos);
261                $this->CallWriter->process();
262                $ReWriter = & $this->CallWriter;
263                $this->CallWriter = & $ReWriter->CallWriter;
264            break;
265            case DOKU_LEXER_MATCHED:
266                $this->_addCall('preformatted_newline',array(), $pos);
267            break;
268            case DOKU_LEXER_UNMATCHED:
269                $this->_addCall('preformatted_content',array($match), $pos);
270            break;
271        }
272
273        return TRUE;
274    }
275
276    function file($match, $state, $pos) {
277        if ( $state == DOKU_LEXER_UNMATCHED ) {
278            $this->_addCall('file',array($match), $pos);
279        }
280        return TRUE;
281    }
282
283    function quote($match, $state, $pos) {
284
285        switch ( $state ) {
286
287            case DOKU_LEXER_ENTER:
288                $ReWriter = & new Doku_Handler_Quote($this->CallWriter);
289                $this->CallWriter = & $ReWriter;
290                $this->_addCall('quote_start',array($match), $pos);
291            break;
292
293            case DOKU_LEXER_EXIT:
294                $this->_addCall('quote_end',array(), $pos);
295                $this->CallWriter->process();
296                $ReWriter = & $this->CallWriter;
297                $this->CallWriter = & $ReWriter->CallWriter;
298            break;
299
300            case DOKU_LEXER_MATCHED:
301                $this->_addCall('quote_newline',array($match), $pos);
302            break;
303
304            case DOKU_LEXER_UNMATCHED:
305                $this->_addCall('cdata',array($match), $pos);
306            break;
307
308        }
309
310        return TRUE;
311    }
312
313    function code($match, $state, $pos) {
314        switch ( $state ) {
315            case DOKU_LEXER_UNMATCHED:
316                $matches = preg_split('/>/u',$match,2);
317                $matches[0] = trim($matches[0]);
318                if ( trim($matches[0]) == '' ) {
319                    $matches[0] = NULL;
320                }
321                # $matches[0] contains name of programming language
322                # if available, We shortcut html here.
323                if($matches[0] == 'html') $matches[0] = 'html4strict';
324                $this->_addCall(
325                        'code',
326                        array($matches[1],$matches[0]),
327                        $pos
328                    );
329            break;
330        }
331        return TRUE;
332    }
333
334    function acronym($match, $state, $pos) {
335        $this->_addCall('acronym',array($match), $pos);
336        return TRUE;
337    }
338
339    function smiley($match, $state, $pos) {
340        $this->_addCall('smiley',array($match), $pos);
341        return TRUE;
342    }
343
344    function wordblock($match, $state, $pos) {
345        $this->_addCall('wordblock',array($match), $pos);
346        return TRUE;
347    }
348
349    function entity($match, $state, $pos) {
350        $this->_addCall('entity',array($match), $pos);
351        return TRUE;
352    }
353
354    function multiplyentity($match, $state, $pos) {
355        preg_match_all('/\d+/',$match,$matches);
356        $this->_addCall('multiplyentity',array($matches[0][0],$matches[0][1]), $pos);
357        return TRUE;
358    }
359
360    function singlequoteopening($match, $state, $pos) {
361        $this->_addCall('singlequoteopening',array(), $pos);
362        return TRUE;
363    }
364
365    function singlequoteclosing($match, $state, $pos) {
366        $this->_addCall('singlequoteclosing',array(), $pos);
367        return TRUE;
368    }
369
370    function doublequoteopening($match, $state, $pos) {
371        $this->_addCall('doublequoteopening',array(), $pos);
372        return TRUE;
373    }
374
375    function doublequoteclosing($match, $state, $pos) {
376        $this->_addCall('doublequoteclosing',array(), $pos);
377        return TRUE;
378    }
379
380    function camelcaselink($match, $state, $pos) {
381        $this->_addCall('camelcaselink',array($match), $pos);
382        return TRUE;
383    }
384
385    /*
386    */
387    function internallink($match, $state, $pos) {
388        // Strip the opening and closing markup
389        $link = preg_replace(array('/^\[\[/','/\]\]$/u'),'',$match);
390
391        // Split title from URL
392        $link = preg_split('/\|/u',$link,2);
393        if ( !isset($link[1]) ) {
394            $link[1] = NULL;
395        } else if ( preg_match('/^\{\{[^\}]+\}\}$/',$link[1]) ) {
396            // If the title is an image, convert it to an array containing the image details
397            $link[1] = Doku_Handler_Parse_Media($link[1]);
398        }
399        $link[0] = trim($link[0]);
400
401        //decide which kind of link it is
402
403        if ( preg_match('/^[a-zA-Z\.]+>{1}.*$/u',$link[0]) ) {
404        // Interwiki
405            $interwiki = preg_split('/>/u',$link[0]);
406            $this->_addCall(
407                'interwikilink',
408                array($link[0],$link[1],strtolower($interwiki[0]),$interwiki[1]),
409                $pos
410                );
411        }elseif ( preg_match('/^\\\\\\\\[\w.:?\-;,]+?\\\\/u',$link[0]) ) {
412        // Windows Share
413            $this->_addCall(
414                'windowssharelink',
415                array($link[0],$link[1]),
416                $pos
417                );
418        }elseif ( preg_match('#^([a-z0-9\-\.+]+?)://#i',$link[0]) ) {
419        // external link (accepts all protocols)
420            $this->_addCall(
421                    'externallink',
422                    array($link[0],$link[1]),
423                    $pos
424                    );
425        }elseif ( preg_match('#([a-z0-9\-_.]+?)@([\w\-]+\.([\w\-\.]+\.)*[\w]+)#i',$link[0]) ) {
426        // E-Mail
427            $this->_addCall(
428                'emaillink',
429                array($link[0],$link[1]),
430                $pos
431                );
432        }elseif ( preg_match('!^#.+!',$link[0]) ){
433        // local link
434            $this->_addCall(
435                'locallink',
436                array(substr($link[0],1),$link[1]),
437                $pos
438                );
439        }else{
440        // internal link
441            $this->_addCall(
442                'internallink',
443                array($link[0],$link[1]),
444                $pos
445                );
446        }
447
448        return TRUE;
449    }
450
451    function filelink($match, $state, $pos) {
452        $this->_addCall('filelink',array($match, NULL), $pos);
453        return TRUE;
454    }
455
456    function windowssharelink($match, $state, $pos) {
457        $this->_addCall('windowssharelink',array($match, NULL), $pos);
458        return TRUE;
459    }
460
461    function media($match, $state, $pos) {
462        $p = Doku_Handler_Parse_Media($match);
463
464        $this->_addCall(
465              $p['type'],
466              array($p['src'], $p['title'], $p['align'], $p['width'],
467                     $p['height'], $p['cache'], $p['linking']),
468              $pos
469             );
470        return TRUE;
471    }
472
473    function rss($match, $state, $pos) {
474        $link = preg_replace(array('/^\{\{rss>/','/\}\}$/'),'',$match);
475
476        // get params
477        list($link,$params) = explode(' ',$link,2);
478
479        $p = array();
480        if(preg_match('/\b(\d+)\b/',$params,$match)){
481            $p['max'] = $match[1];
482        }else{
483            $p['max'] = 8;
484        }
485        $p['reverse'] = (preg_match('/rev/',$params));
486        $p['author']  = (preg_match('/\b(by|author)/',$params));
487        $p['date']    = (preg_match('/\b(date)/',$params));
488        $p['details'] = (preg_match('/\b(desc|detail)/',$params));
489
490        $this->_addCall('rss',array($link,$p),$pos);
491        return TRUE;
492    }
493
494    function externallink($match, $state, $pos) {
495        // Prevent use of multibyte strings in URLs
496        // See: http://www.boingboing.net/2005/02/06/shmoo_group_exploit_.html
497        // Not worried about other charsets so long as page is output as UTF-8
498        /*if ( strlen($match) != utf8_strlen($match) ) {
499            $this->_addCall('cdata',array($match), $pos);
500        } else {*/
501
502            $this->_addCall('externallink',array($match, NULL), $pos);
503        //}
504        return TRUE;
505    }
506
507    function emaillink($match, $state, $pos) {
508        $email = preg_replace(array('/^</','/>$/'),'',$match);
509        $this->_addCall('emaillink',array($email, NULL), $pos);
510        return TRUE;
511    }
512
513    function table($match, $state, $pos) {
514        switch ( $state ) {
515
516            case DOKU_LEXER_ENTER:
517
518                $ReWriter = & new Doku_Handler_Table($this->CallWriter);
519                $this->CallWriter = & $ReWriter;
520
521                $this->_addCall('table_start', array(), $pos);
522                //$this->_addCall('table_row', array(), $pos);
523                if ( trim($match) == '^' ) {
524                    $this->_addCall('tableheader', array(), $pos);
525                } else {
526                    $this->_addCall('tablecell', array(), $pos);
527                }
528            break;
529
530            case DOKU_LEXER_EXIT:
531                $this->_addCall('table_end', array(), $pos);
532                $this->CallWriter->process();
533                $ReWriter = & $this->CallWriter;
534                $this->CallWriter = & $ReWriter->CallWriter;
535            break;
536
537            case DOKU_LEXER_UNMATCHED:
538                if ( trim($match) != '' ) {
539                    $this->_addCall('cdata',array($match), $pos);
540                }
541            break;
542
543            case DOKU_LEXER_MATCHED:
544                if ( $match == ' ' ){
545                    $this->_addCall('cdata', array($match), $pos);
546                } else if ( preg_match('/\t+/',$match) ) {
547                    $this->_addCall('table_align', array($match), $pos);
548                } else if ( preg_match('/ {2,}/',$match) ) {
549                    $this->_addCall('table_align', array($match), $pos);
550                } else if ( $match == "\n|" ) {
551                    $this->_addCall('table_row', array(), $pos);
552                    $this->_addCall('tablecell', array(), $pos);
553                } else if ( $match == "\n^" ) {
554                    $this->_addCall('table_row', array(), $pos);
555                    $this->_addCall('tableheader', array(), $pos);
556                } else if ( $match == '|' ) {
557                    $this->_addCall('tablecell', array(), $pos);
558                } else if ( $match == '^' ) {
559                    $this->_addCall('tableheader', array(), $pos);
560                }
561            break;
562        }
563        return TRUE;
564    }
565}
566
567//------------------------------------------------------------------------
568function Doku_Handler_Parse_Media($match) {
569
570    // Strip the opening and closing markup
571    $link = preg_replace(array('/^\{\{/','/\}\}$/u'),'',$match);
572
573    // Split title from URL
574    $link = preg_split('/\|/u',$link,2);
575
576
577    // Check alignment
578    $ralign = (bool)preg_match('/^ /',$link[0]);
579    $lalign = (bool)preg_match('/ $/',$link[0]);
580
581    // Logic = what's that ;)...
582    if ( $lalign & $ralign ) {
583        $align = 'center';
584    } else if ( $ralign ) {
585        $align = 'right';
586    } else if ( $lalign ) {
587        $align = 'left';
588    } else {
589        $align = NULL;
590    }
591
592    // The title...
593    if ( !isset($link[1]) ) {
594        $link[1] = NULL;
595    }
596
597    //remove aligning spaces
598    $link[0] = trim($link[0]);
599
600    //split into src and parameters (using the very last questionmark)
601    $pos = strrpos($link[0], '?');
602    if($pos !== false){
603        $src   = substr($link[0],0,$pos);
604        $param = substr($link[0],$pos+1);
605    }else{
606        $src   = $link[0];
607        $param = '';
608    }
609
610    //parse width and height
611    if(preg_match('#(\d+)(x(\d+))?#i',$param,$size)){
612        ($size[1]) ? $w = $size[1] : $w = NULL;
613        ($size[3]) ? $h = $size[3] : $h = NULL;
614    } else {
615        $w = NULL;
616        $h = NULL;
617    }
618
619    //get linking command
620    if(preg_match('/nolink/i',$param)){
621        $linking = 'nolink';
622    }else if(preg_match('/direct/i',$param)){
623        $linking = 'direct';
624    }else{
625        $linking = 'details';
626    }
627
628    //get caching command
629    if (preg_match('/(nocache|recache)/i',$param,$cachemode)){
630        $cache = $cachemode[1];
631    }else{
632        $cache = 'cache';
633    }
634
635    // Check whether this is a local or remote image
636    if ( preg_match('#^(https?|ftp)#i',$src) ) {
637        $call = 'externalmedia';
638    } else {
639        $call = 'internalmedia';
640    }
641
642    $params = array(
643        'type'=>$call,
644        'src'=>$src,
645        'title'=>$link[1],
646        'align'=>$align,
647        'width'=>$w,
648        'height'=>$h,
649        'cache'=>$cache,
650        'linking'=>$linking,
651    );
652
653    return $params;
654}
655
656//------------------------------------------------------------------------
657class Doku_Handler_CallWriter {
658
659    var $Handler;
660
661    function Doku_Handler_CallWriter(& $Handler) {
662        $this->Handler = & $Handler;
663    }
664
665    function writeCall($call) {
666        $this->Handler->calls[] = $call;
667    }
668
669    function writeCalls($calls) {
670        $this->Handler->calls = array_merge($this->Handler->calls, $calls);
671    }
672
673    // function is required, but since this call writer is first/highest in
674    // the chain it is not required to do anything
675    function finalise() {
676    }
677}
678
679//------------------------------------------------------------------------
680class Doku_Handler_List {
681
682    var $CallWriter;
683
684    var $calls = array();
685    var $listCalls = array();
686    var $listStack = array();
687
688    function Doku_Handler_List(& $CallWriter) {
689        $this->CallWriter = & $CallWriter;
690    }
691
692    function writeCall($call) {
693        $this->calls[] = $call;
694    }
695
696    // Probably not needed but just in case...
697    function writeCalls($calls) {
698        $this->calls = array_merge($this->calls, $calls);
699#        $this->CallWriter->writeCalls($this->calls);
700    }
701
702    function finalise() {
703        $last_call = end($this->calls);
704        $this->writeCall(array('list_close',array(), $last_call[2]));
705
706        $this->process();
707        $this->CallWriter->finalise();
708    }
709
710    //------------------------------------------------------------------------
711    function process() {
712
713        foreach ( $this->calls as $call ) {
714            switch ($call[0]) {
715                case 'list_item':
716                    $this->listOpen($call);
717                break;
718                case 'list_open':
719                    $this->listStart($call);
720                break;
721                case 'list_close':
722                    $this->listEnd($call);
723                break;
724                default:
725                    $this->listContent($call);
726                break;
727            }
728        }
729
730        $this->CallWriter->writeCalls($this->listCalls);
731    }
732
733    //------------------------------------------------------------------------
734    function listStart($call) {
735        $depth = $this->interpretSyntax($call[1][0], $listType);
736
737        $this->initialDepth = $depth;
738        $this->listStack[] = array($listType, $depth);
739
740        $this->listCalls[] = array('list'.$listType.'_open',array(),$call[2]);
741        $this->listCalls[] = array('listitem_open',array(1),$call[2]);
742        $this->listCalls[] = array('listcontent_open',array(),$call[2]);
743    }
744
745    //------------------------------------------------------------------------
746    function listEnd($call) {
747        $closeContent = TRUE;
748
749        while ( $list = array_pop($this->listStack) ) {
750            if ( $closeContent ) {
751                $this->listCalls[] = array('listcontent_close',array(),$call[2]);
752                $closeContent = FALSE;
753            }
754            $this->listCalls[] = array('listitem_close',array(),$call[2]);
755            $this->listCalls[] = array('list'.$list[0].'_close', array(), $call[2]);
756        }
757    }
758
759    //------------------------------------------------------------------------
760    function listOpen($call) {
761        $depth = $this->interpretSyntax($call[1][0], $listType);
762        $end = end($this->listStack);
763
764        // Not allowed to be shallower than initialDepth
765        if ( $depth < $this->initialDepth ) {
766            $depth = $this->initialDepth;
767        }
768
769        //------------------------------------------------------------------------
770        if ( $depth == $end[1] ) {
771
772            // Just another item in the list...
773            if ( $listType == $end[0] ) {
774                $this->listCalls[] = array('listcontent_close',array(),$call[2]);
775                $this->listCalls[] = array('listitem_close',array(),$call[2]);
776                $this->listCalls[] = array('listitem_open',array($depth-1),$call[2]);
777                $this->listCalls[] = array('listcontent_open',array(),$call[2]);
778
779            // Switched list type...
780            } else {
781
782                $this->listCalls[] = array('listcontent_close',array(),$call[2]);
783                $this->listCalls[] = array('listitem_close',array(),$call[2]);
784                $this->listCalls[] = array('list'.$end[0].'_close', array(), $call[2]);
785                $this->listCalls[] = array('list'.$listType.'_open', array(), $call[2]);
786                $this->listCalls[] = array('listitem_open', array($depth-1), $call[2]);
787                $this->listCalls[] = array('listcontent_open',array(),$call[2]);
788
789                array_pop($this->listStack);
790                $this->listStack[] = array($listType, $depth);
791            }
792
793        //------------------------------------------------------------------------
794        // Getting deeper...
795        } else if ( $depth > $end[1] ) {
796
797            $this->listCalls[] = array('listcontent_close',array(),$call[2]);
798            $this->listCalls[] = array('list'.$listType.'_open', array(), $call[2]);
799            $this->listCalls[] = array('listitem_open', array($depth-1), $call[2]);
800            $this->listCalls[] = array('listcontent_open',array(),$call[2]);
801
802            $this->listStack[] = array($listType, $depth);
803
804        //------------------------------------------------------------------------
805        // Getting shallower ( $depth < $end[1] )
806        } else {
807            $this->listCalls[] = array('listcontent_close',array(),$call[2]);
808            $this->listCalls[] = array('listitem_close',array(),$call[2]);
809            $this->listCalls[] = array('list'.$end[0].'_close',array(),$call[2]);
810
811            // Throw away the end - done
812            array_pop($this->listStack);
813
814            while (1) {
815                $end = end($this->listStack);
816
817                if ( $end[1] <= $depth ) {
818
819                    // Normalize depths
820                    $depth = $end[1];
821
822                    $this->listCalls[] = array('listitem_close',array(),$call[2]);
823
824                    if ( $end[0] == $listType ) {
825                        $this->listCalls[] = array('listitem_open',array($depth-1),$call[2]);
826                        $this->listCalls[] = array('listcontent_open',array(),$call[2]);
827
828                    } else {
829                        // Switching list type...
830                        $this->listCalls[] = array('list'.$end[0].'_close', array(), $call[2]);
831                        $this->listCalls[] = array('list'.$listType.'_open', array(), $call[2]);
832                        $this->listCalls[] = array('listitem_open', array($depth-1), $call[2]);
833                        $this->listCalls[] = array('listcontent_open',array(),$call[2]);
834
835                        array_pop($this->listStack);
836                        $this->listStack[] = array($listType, $depth);
837                    }
838
839                    break;
840
841                // Haven't dropped down far enough yet.... ( $end[1] > $depth )
842                } else {
843
844                    $this->listCalls[] = array('listitem_close',array(),$call[2]);
845                    $this->listCalls[] = array('list'.$end[0].'_close',array(),$call[2]);
846
847                    array_pop($this->listStack);
848
849                }
850
851            }
852
853        }
854    }
855
856    //------------------------------------------------------------------------
857    function listContent($call) {
858        $this->listCalls[] = $call;
859    }
860
861    //------------------------------------------------------------------------
862    function interpretSyntax($match, & $type) {
863        if ( substr($match,-1) == '*' ) {
864            $type = 'u';
865        } else {
866            $type = 'o';
867        }
868        return count(explode('  ',str_replace("\t",'  ',$match)));
869    }
870}
871
872//------------------------------------------------------------------------
873class Doku_Handler_Preformatted {
874
875    var $CallWriter;
876
877    var $calls = array();
878    var $pos;
879    var $text ='';
880
881
882
883    function Doku_Handler_Preformatted(& $CallWriter) {
884        $this->CallWriter = & $CallWriter;
885    }
886
887    function writeCall($call) {
888        $this->calls[] = $call;
889    }
890
891    // Probably not needed but just in case...
892    function writeCalls($calls) {
893        $this->calls = array_merge($this->calls, $calls);
894#        $this->CallWriter->writeCalls($this->calls);
895    }
896
897    function finalise() {
898        $last_call = end($this->calls);
899        $this->writeCall(array('preformatted_end',array(), $last_call[2]));
900
901        $this->process();
902        $this->CallWriter->finalise();
903    }
904
905    function process() {
906        foreach ( $this->calls as $call ) {
907            switch ($call[0]) {
908                case 'preformatted_start':
909                    $this->pos = $call[2];
910                break;
911                case 'preformatted_newline':
912                    $this->text .= "\n";
913                break;
914                case 'preformatted_content':
915                    $this->text .= $call[1][0];
916                break;
917                case 'preformatted_end':
918                    $this->CallWriter->writeCall(array('preformatted',array($this->text),$this->pos));
919                break;
920            }
921        }
922    }
923
924}
925
926//------------------------------------------------------------------------
927class Doku_Handler_Quote {
928
929    var $CallWriter;
930
931    var $calls = array();
932
933    var $quoteCalls = array();
934
935    function Doku_Handler_Quote(& $CallWriter) {
936        $this->CallWriter = & $CallWriter;
937    }
938
939    function writeCall($call) {
940        $this->calls[] = $call;
941    }
942
943    // Probably not needed but just in case...
944    function writeCalls($calls) {
945        $this->calls = array_merge($this->calls, $calls);
946#        $this->CallWriter->writeCalls($this->calls);
947    }
948
949    function finalise() {
950        $last_call = end($this->calls);
951        $this->writeCall(array('quote_end',array(), $last_call[2]));
952
953        $this->process();
954        $this->CallWriter->finalise();
955    }
956
957    function process() {
958
959        $quoteDepth = 1;
960
961        foreach ( $this->calls as $call ) {
962            switch ($call[0]) {
963
964                case 'quote_start':
965
966                    $this->quoteCalls[] = array('quote_open',array(),$call[2]);
967
968                case 'quote_newline':
969
970                    $quoteLength = $this->getDepth($call[1][0]);
971
972                    if ( $quoteLength > $quoteDepth ) {
973                        $quoteDiff = $quoteLength - $quoteDepth;
974                        for ( $i = 1; $i <= $quoteDiff; $i++ ) {
975                            $this->quoteCalls[] = array('quote_open',array(),$call[2]);
976                        }
977                    } else if ( $quoteLength < $quoteDepth ) {
978                        $quoteDiff = $quoteDepth - $quoteLength;
979                        for ( $i = 1; $i <= $quoteDiff; $i++ ) {
980                            $this->quoteCalls[] = array('quote_close',array(),$call[2]);
981                        }
982                    } else {
983                        if ($call[0] != 'quote_start') $this->quoteCalls[] = array('linebreak',array(),$call[2]);
984                    }
985
986                    $quoteDepth = $quoteLength;
987
988                break;
989
990                case 'quote_end':
991
992                    if ( $quoteDepth > 1 ) {
993                        $quoteDiff = $quoteDepth - 1;
994                        for ( $i = 1; $i <= $quoteDiff; $i++ ) {
995                            $this->quoteCalls[] = array('quote_close',array(),$call[2]);
996                        }
997                    }
998
999                    $this->quoteCalls[] = array('quote_close',array(),$call[2]);
1000
1001                    $this->CallWriter->writeCalls($this->quoteCalls);
1002                break;
1003
1004                default:
1005                    $this->quoteCalls[] = $call;
1006                break;
1007            }
1008        }
1009    }
1010
1011    function getDepth($marker) {
1012        preg_match('/>{1,}/', $marker, $matches);
1013        $quoteLength = strlen($matches[0]);
1014        return $quoteLength;
1015    }
1016}
1017
1018//------------------------------------------------------------------------
1019class Doku_Handler_Table {
1020
1021    var $CallWriter;
1022
1023    var $calls = array();
1024    var $tableCalls = array();
1025    var $maxCols = 0;
1026    var $maxRows = 1;
1027    var $currentCols = 0;
1028    var $firstCell = FALSE;
1029    var $lastCellType = 'tablecell';
1030
1031    function Doku_Handler_Table(& $CallWriter) {
1032        $this->CallWriter = & $CallWriter;
1033    }
1034
1035    function writeCall($call) {
1036        $this->calls[] = $call;
1037    }
1038
1039    // Probably not needed but just in case...
1040    function writeCalls($calls) {
1041        $this->calls = array_merge($this->calls, $calls);
1042#        $this->CallWriter->writeCalls($this->calls);
1043    }
1044
1045    function finalise() {
1046        $last_call = end($this->calls);
1047        $this->writeCall(array('table_end',array(), $last_call[2]));
1048
1049        $this->process();
1050        $this->CallWriter->finalise();
1051    }
1052
1053    //------------------------------------------------------------------------
1054    function process() {
1055        foreach ( $this->calls as $call ) {
1056            switch ( $call[0] ) {
1057                case 'table_start':
1058                    $this->tableStart($call);
1059                break;
1060                case 'table_row':
1061                    $this->tableRowClose(array('tablerow_close',$call[1],$call[2]));
1062                    $this->tableRowOpen(array('tablerow_open',$call[1],$call[2]));
1063                break;
1064                case 'tableheader':
1065                case 'tablecell':
1066                    $this->tableCell($call);
1067                break;
1068                case 'table_end':
1069                    $this->tableRowClose(array('tablerow_close',$call[1],$call[2]));
1070                    $this->tableEnd($call);
1071                break;
1072                default:
1073                    $this->tableDefault($call);
1074                break;
1075            }
1076        }
1077        $this->CallWriter->writeCalls($this->tableCalls);
1078    }
1079
1080    function tableStart($call) {
1081        $this->tableCalls[] = array('table_open',array(),$call[2]);
1082        $this->tableCalls[] = array('tablerow_open',array(),$call[2]);
1083        $this->firstCell = TRUE;
1084    }
1085
1086    function tableEnd($call) {
1087        $this->tableCalls[] = array('table_close',array(),$call[2]);
1088        $this->finalizeTable();
1089    }
1090
1091    function tableRowOpen($call) {
1092        $this->tableCalls[] = $call;
1093        $this->currentCols = 0;
1094        $this->firstCell = TRUE;
1095        $this->lastCellType = 'tablecell';
1096        $this->maxRows++;
1097    }
1098
1099    function tableRowClose($call) {
1100        // Strip off final cell opening and anything after it
1101        while ( $discard = array_pop($this->tableCalls ) ) {
1102
1103            if ( $discard[0] == 'tablecell_open' || $discard[0] == 'tableheader_open') {
1104
1105                // Its a spanning element - put it back and close it
1106                if ( $discard[1][0] > 1 ) {
1107
1108                    $this->tableCalls[] = $discard;
1109                    if ( strstr($discard[0],'cell') ) {
1110                        $name = 'tablecell';
1111                    } else {
1112                        $name = 'tableheader';
1113                    }
1114                    $this->tableCalls[] = array($name.'_close',array(),$call[2]);
1115                }
1116
1117                break;
1118            }
1119        }
1120        $this->tableCalls[] = $call;
1121
1122        if ( $this->currentCols > $this->maxCols ) {
1123            $this->maxCols = $this->currentCols;
1124        }
1125    }
1126
1127    function tableCell($call) {
1128        if ( !$this->firstCell ) {
1129
1130            // Increase the span
1131            $lastCall = end($this->tableCalls);
1132
1133            // A cell call which follows an open cell means an empty cell so span
1134            if ( $lastCall[0] == 'tablecell_open' || $lastCall[0] == 'tableheader_open' ) {
1135                 $this->tableCalls[] = array('colspan',array(),$call[2]);
1136
1137            }
1138
1139            $this->tableCalls[] = array($this->lastCellType.'_close',array(),$call[2]);
1140            $this->tableCalls[] = array($call[0].'_open',array(1,NULL),$call[2]);
1141            $this->lastCellType = $call[0];
1142
1143        } else {
1144
1145            $this->tableCalls[] = array($call[0].'_open',array(1,NULL),$call[2]);
1146            $this->lastCellType = $call[0];
1147            $this->firstCell = FALSE;
1148
1149        }
1150
1151        $this->currentCols++;
1152    }
1153
1154    function tableDefault($call) {
1155        $this->tableCalls[] = $call;
1156    }
1157
1158    function finalizeTable() {
1159
1160        // Add the max cols and rows to the table opening
1161        if ( $this->tableCalls[0][0] == 'table_open' ) {
1162            // Adjust to num cols not num col delimeters
1163            $this->tableCalls[0][1][] = $this->maxCols - 1;
1164            $this->tableCalls[0][1][] = $this->maxRows;
1165        } else {
1166            trigger_error('First element in table call list is not table_open');
1167        }
1168
1169        $lastRow = 0;
1170        $lastCell = 0;
1171        $toDelete = array();
1172
1173        // Look for the colspan elements and increment the colspan on the
1174        // previous non-empty opening cell. Once done, delete all the cells
1175        // that contain colspans
1176        foreach ( $this->tableCalls as $key => $call ) {
1177
1178            if ( $call[0] == 'tablerow_open' ) {
1179
1180                $lastRow = $key;
1181
1182            } else if ( $call[0] == 'tablecell_open' || $call[0] == 'tableheader_open' ) {
1183
1184                $lastCell = $key;
1185
1186            } else if ( $call[0] == 'table_align' ) {
1187
1188                // If the previous element was a cell open, align right
1189                if ( $this->tableCalls[$key-1][0] == 'tablecell_open' || $this->tableCalls[$key-1][0] == 'tableheader_open' ) {
1190                    $this->tableCalls[$key-1][1][1] = 'right';
1191
1192                // If the next element if the close of an element, align either center or left
1193                } else if ( $this->tableCalls[$key+1][0] == 'tablecell_close' || $this->tableCalls[$key+1][0] == 'tableheader_close' ) {
1194                    if ( $this->tableCalls[$lastCell][1][1] == 'right' ) {
1195                        $this->tableCalls[$lastCell][1][1] = 'center';
1196                    } else {
1197                        $this->tableCalls[$lastCell][1][1] = 'left';
1198                    }
1199
1200                }
1201
1202                // Now convert the whitespace back to cdata
1203                $this->tableCalls[$key][0] = 'cdata';
1204
1205            } else if ( $call[0] == 'colspan' ) {
1206
1207                $this->tableCalls[$key-1][1][0] = FALSE;
1208
1209                for($i = $key-2; $i > $lastRow; $i--) {
1210
1211                    if ( $this->tableCalls[$i][0] == 'tablecell_open' || $this->tableCalls[$i][0] == 'tableheader_open' ) {
1212
1213                        if ( FALSE !== $this->tableCalls[$i][1][0] ) {
1214                            $this->tableCalls[$i][1][0]++;
1215                            break;
1216                        }
1217
1218
1219                    }
1220                }
1221
1222                $toDelete[] = $key-1;
1223                $toDelete[] = $key;
1224                $toDelete[] = $key+1;
1225            }
1226        }
1227
1228
1229        // condense cdata
1230        $cnt = count($this->tableCalls);
1231        for( $key = 0; $key < $cnt; $key++){
1232            if($this->tableCalls[$key][0] == 'cdata'){
1233                $ckey = $key;
1234                $key++;
1235                while($this->tableCalls[$key][0] == 'cdata'){
1236                    $this->tableCalls[$ckey][1][0] .= $this->tableCalls[$key][1][0];
1237                    $toDelete[] = $key;
1238                    $key++;
1239                }
1240                continue;
1241            }
1242        }
1243
1244        foreach ( $toDelete as $delete ) {
1245            unset($this->tableCalls[$delete]);
1246        }
1247        $this->tableCalls = array_values($this->tableCalls);
1248    }
1249}
1250
1251//------------------------------------------------------------------------
1252class Doku_Handler_Section {
1253
1254    function process($calls) {
1255
1256        $sectionCalls = array();
1257        $inSection = FALSE;
1258
1259        foreach ( $calls as $call ) {
1260
1261            if ( $call[0] == 'header' ) {
1262
1263                if ( $inSection ) {
1264                    $sectionCalls[] = array('section_close',array(), $call[2]);
1265                }
1266
1267                $sectionCalls[] = $call;
1268                $sectionCalls[] = array('section_open',array($call[1][1]), $call[2]);
1269                $inSection = TRUE;
1270
1271            } else {
1272
1273                if ($call[0] == 'section_open' )  {
1274                    $inSection = TRUE;
1275                } else if ($call[0] == 'section_open' ) {
1276                    $inSection = FALSE;
1277                }
1278                $sectionCalls[] = $call;
1279            }
1280        }
1281
1282        if ( $inSection ) {
1283            $sectionCalls[] = array('section_close',array(), $call[2]);
1284        }
1285
1286        return $sectionCalls;
1287    }
1288
1289}
1290
1291/**
1292 * Handler for paragraphs
1293 *
1294 * @author Harry Fuecks <hfuecks@gmail.com>
1295 */
1296class Doku_Handler_Block {
1297
1298    var $calls = array();
1299
1300    var $blockStack = array();
1301
1302    var $inParagraph = FALSE;
1303    var $atStart = TRUE;
1304    var $skipEolKey = -1;
1305
1306    // Blocks these should not be inside paragraphs
1307    var $blockOpen = array(
1308            'header',
1309            'listu_open','listo_open','listitem_open','listcontent_open',
1310            'table_open','tablerow_open','tablecell_open','tableheader_open',
1311            'quote_open',
1312            'section_open', // Needed to prevent p_open between header and section_open
1313            'code','file','hr','preformatted',
1314        );
1315
1316    var $blockClose = array(
1317            'header',
1318            'listu_close','listo_close','listitem_close','listcontent_close',
1319            'table_close','tablerow_close','tablecell_close','tableheader_close',
1320            'quote_close',
1321            'section_close', // Needed to prevent p_close after section_close
1322            'code','file','hr','preformatted',
1323        );
1324
1325    // Stacks can contain paragraphs
1326    var $stackOpen = array(
1327        'footnote_open','section_open',
1328        );
1329
1330    var $stackClose = array(
1331        'footnote_close','section_close',
1332        );
1333
1334
1335    /**
1336     * Constructor. Adds loaded syntax plugins to the block and stack
1337     * arrays
1338     *
1339     * @author Andreas Gohr <andi@splitbrain.org>
1340     */
1341    function Doku_Handler_Block(){
1342        global $DOKU_PLUGINS;
1343        //check if syntax plugins were loaded
1344        if(!is_array($DOKU_PLUGINS['syntax'])) return;
1345        foreach($DOKU_PLUGINS['syntax'] as $n => $p){
1346            $ptype = $p->getPType();
1347            if($ptype == 'block'){
1348                $this->blockOpen[]  = 'plugin_'.$n;
1349                $this->blockClose[] = 'plugin_'.$n;
1350            }elseif($ptype == 'stack'){
1351                $this->stackOpen[]  = 'plugin_'.$n;
1352                $this->stackClose[] = 'plugin_'.$n;
1353            }
1354        }
1355    }
1356
1357    /**
1358     * Close a paragraph if needed
1359     *
1360     * This function makes sure there are no empty paragraphs on the stack
1361     *
1362     * @author Andreas Gohr <andi@splitbrain.org>
1363     */
1364    function closeParagraph($pos){
1365        // look back if there was any content - we don't want empty paragraphs
1366        $content = '';
1367        for($i=count($this->calls)-1; $i>=0; $i--){
1368            if($this->calls[$i][0] == 'p_open'){
1369                break;
1370            }elseif($this->calls[$i][0] == 'cdata'){
1371                $content .= $this->calls[$i][1][0];
1372            }else{
1373                $content = 'found markup';
1374                break;
1375            }
1376        }
1377
1378        if(trim($content)==''){
1379            //remove the whole paragraph
1380            array_splice($this->calls,$i);
1381        }else{
1382            if ($this->calls[count($this->calls)-1][0] == 'section_edit') {
1383                $tmp = array_pop($this->calls);
1384                $this->calls[] = array('p_close',array(), $pos);
1385                $this->calls[] = $tmp;
1386            } else {
1387                $this->calls[] = array('p_close',array(), $pos);
1388            }
1389        }
1390
1391        $this->inParagraph = FALSE;
1392    }
1393
1394    /**
1395     * Processes the whole instruction stack to open and close paragraphs
1396     *
1397     * @author Harry Fuecks <hfuecks@gmail.com>
1398     * @author Andreas Gohr <andi@splitbrain.org>
1399     * @todo   This thing is really messy and should be rewritten
1400     */
1401    function process($calls) {
1402        foreach ( $calls as $key => $call ) {
1403            $cname = $call[0];
1404            if($cname == 'plugin') {
1405                $cname='plugin_'.$call[1][0];
1406
1407                $plugin = true;
1408                $plugin_open = (($call[1][2] == DOKU_LEXER_ENTER) || ($call[1][2] == DOKU_LEXER_SPECIAL));
1409                $plugin_close = (($call[1][2] == DOKU_LEXER_EXIT) || ($call[1][2] == DOKU_LEXER_SPECIAL));
1410            } else {
1411                $plugin = false;
1412            }
1413
1414            // Process blocks which are stack like... (contain linefeeds)
1415            if ( in_array($cname,$this->stackOpen ) && (!$plugin || $plugin_open) ) {
1416
1417                $this->calls[] = $call;
1418
1419                // Hack - footnotes shouldn't immediately contain a p_open
1420                if ( $cname != 'footnote_open' ) {
1421                    $this->addToStack();
1422                } else {
1423                    $this->addToStack(FALSE);
1424                }
1425                continue;
1426            }
1427
1428            if ( in_array($cname,$this->stackClose ) && (!$plugin || $plugin_close)) {
1429
1430                if ( $this->inParagraph ) {
1431                    $this->closeParagraph($call[2]);
1432                }
1433                $this->calls[] = $call;
1434                $this->removeFromStack();
1435                continue;
1436            }
1437
1438            if ( !$this->atStart ) {
1439
1440                if ( $cname == 'eol' ) {
1441
1442                    // Check this isn't an eol instruction to skip...
1443                    if ( $this->skipEolKey != $key ) {
1444                        // Look to see if the next instruction is an EOL
1445                        if ( isset($calls[$key+1]) && $calls[$key+1][0] == 'eol' ) {
1446
1447                            if ( $this->inParagraph ) {
1448                                //$this->calls[] = array('p_close',array(), $call[2]);
1449                                $this->closeParagraph($call[2]);
1450                            }
1451
1452                            $this->calls[] = array('p_open',array(), $call[2]);
1453                            $this->inParagraph = TRUE;
1454
1455
1456                            // Mark the next instruction for skipping
1457                            $this->skipEolKey = $key+1;
1458
1459                        }else{
1460                            //if this is just a single eol make a space from it
1461                            $this->calls[] = array('cdata',array(" "), $call[2]);
1462                        }
1463                    }
1464
1465
1466                } else {
1467
1468                    $storeCall = TRUE;
1469                    if ( $this->inParagraph && (in_array($cname, $this->blockOpen) && (!$plugin || $plugin_open))) {
1470                        $this->closeParagraph($call[2]);
1471                        $this->calls[] = $call;
1472                        $storeCall = FALSE;
1473                    }
1474
1475                    if ( in_array($cname, $this->blockClose) && (!$plugin || $plugin_close)) {
1476                        if ( $this->inParagraph ) {
1477                            $this->closeParagraph($call[2]);
1478                        }
1479                        if ( $storeCall ) {
1480                            $this->calls[] = $call;
1481                            $storeCall = FALSE;
1482                        }
1483
1484                        // This really sucks and suggests this whole class sucks but...
1485                        if ( isset($calls[$key+1])) {
1486                            $cname_plusone = $calls[$key+1][0];
1487                            if ($cname_plusone == 'plugin') {
1488                                $cname_plusone = 'plugin'.$calls[$key+1][1][0];
1489
1490                                // plugin test, true if plugin has a state which precludes it requiring blockOpen or blockClose
1491                                $plugin_plusone = true;
1492                                $plugin_test = ($call[$key+1][1][2] == DOKU_LEXER_MATCHED) || ($call[$key+1][1][2] == DOKU_LEXER_MATCHED);
1493                            } else {
1494                                $plugin_plusone = false;
1495                            }
1496                            if ((!in_array($cname_plusone, $this->blockOpen) && !in_array($cname_plusone, $this->blockClose)) ||
1497                                ($plugin_plusone && $plugin_test)
1498                                ) {
1499
1500                                $this->calls[] = array('p_open',array(), $call[2]);
1501                                $this->inParagraph = TRUE;
1502                            }
1503                        }
1504                    }
1505
1506                    if ( $storeCall ) {
1507                        $this->calls[] = $call;
1508                    }
1509
1510                }
1511
1512
1513            } else {
1514
1515                // Unless there's already a block at the start, start a paragraph
1516                if ( !in_array($cname,$this->blockOpen) ) {
1517                    $this->calls[] = array('p_open',array(), $call[2]);
1518                    if ( $call[0] != 'eol' ) {
1519                        $this->calls[] = $call;
1520                    }
1521                    $this->atStart = FALSE;
1522                    $this->inParagraph = TRUE;
1523                } else {
1524                    $this->calls[] = $call;
1525                    $this->atStart = FALSE;
1526                }
1527
1528            }
1529
1530        }
1531
1532        if ( $this->inParagraph ) {
1533            if ( $cname == 'p_open' ) {
1534                // Ditch the last call
1535                array_pop($this->calls);
1536            } else if ( !in_array($cname, $this->blockClose) ) {
1537                //$this->calls[] = array('p_close',array(), $call[2]);
1538                $this->closeParagraph($call[2]);
1539            } else {
1540                $last_call = array_pop($this->calls);
1541                //$this->calls[] = array('p_close',array(), $call[2]);
1542                $this->closeParagraph($call[2]);
1543                $this->calls[] = $last_call;
1544            }
1545        }
1546
1547        return $this->calls;
1548    }
1549
1550    function addToStack($newStart = TRUE) {
1551        $this->blockStack[] = array($this->atStart, $this->inParagraph);
1552        $this->atStart = $newStart;
1553        $this->inParagraph = FALSE;
1554    }
1555
1556    function removeFromStack() {
1557        $state = array_pop($this->blockStack);
1558        $this->atStart = $state[0];
1559        $this->inParagraph = $state[1];
1560    }
1561}
1562
1563//Setup VIM: ex: et ts=4 enc=utf-8 :
1564