1<?php 2if(!defined('DOKU_INC')) die('meh.'); 3if (!defined('DOKU_PARSER_EOL')) define('DOKU_PARSER_EOL',"\n"); // add this to make handling test cases simpler 4 5class Doku_Handler { 6 7 var $Renderer = null; 8 9 var $CallWriter = null; 10 11 var $calls = array(); 12 13 var $status = array( 14 'section' => false, 15 'doublequote' => 0, 16 ); 17 18 var $rewriteBlocks = true; 19 20 function __construct() { 21 $this->CallWriter = new Doku_Handler_CallWriter($this); 22 } 23 24 /** 25 * @param string $handler 26 * @param mixed $args 27 * @param integer|string $pos 28 */ 29 function _addCall($handler, $args, $pos) { 30 $call = array($handler,$args, $pos); 31 $this->CallWriter->writeCall($call); 32 } 33 34 function addPluginCall($plugin, $args, $state, $pos, $match) { 35 $call = array('plugin',array($plugin, $args, $state, $match), $pos); 36 $this->CallWriter->writeCall($call); 37 } 38 39 function _finalize(){ 40 41 $this->CallWriter->finalise(); 42 43 if ( $this->status['section'] ) { 44 $last_call = end($this->calls); 45 array_push($this->calls,array('section_close',array(), $last_call[2])); 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 * @param string|integer $match 78 * @param string|integer $state 79 * @param integer $pos 80 * @param $pluginname 81 * 82 * @return bool 83 */ 84 function plugin($match, $state, $pos, $pluginname){ 85 $data = array($match); 86 /** @var DokuWiki_Syntax_Plugin $plugin */ 87 $plugin = plugin_load('syntax',$pluginname); 88 if($plugin != null){ 89 $data = $plugin->handle($match, $state, $pos, $this); 90 } 91 if ($data !== false) { 92 $this->addPluginCall($pluginname,$data,$state,$pos,$match); 93 } 94 return true; 95 } 96 97 function base($match, $state, $pos) { 98 switch ( $state ) { 99 case DOKU_LEXER_UNMATCHED: 100 $this->_addCall('cdata',array($match), $pos); 101 return true; 102 break; 103 } 104 } 105 106 function header($match, $state, $pos) { 107 // get level and title 108 $title = trim($match); 109 $level = 7 - strspn($title,'='); 110 if($level < 1) $level = 1; 111 $title = trim($title,'='); 112 $title = trim($title); 113 114 if ($this->status['section']) $this->_addCall('section_close',array(),$pos); 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 /** 149 * @param string|integer $match 150 * @param string|integer $state 151 * @param integer $pos 152 * @param string $name 153 */ 154 function _nestingTag($match, $state, $pos, $name) { 155 switch ( $state ) { 156 case DOKU_LEXER_ENTER: 157 $this->_addCall($name.'_open', array(), $pos); 158 break; 159 case DOKU_LEXER_EXIT: 160 $this->_addCall($name.'_close', array(), $pos); 161 break; 162 case DOKU_LEXER_UNMATCHED: 163 $this->_addCall('cdata',array($match), $pos); 164 break; 165 } 166 } 167 168 function strong($match, $state, $pos) { 169 $this->_nestingTag($match, $state, $pos, 'strong'); 170 return true; 171 } 172 173 function emphasis($match, $state, $pos) { 174 $this->_nestingTag($match, $state, $pos, 'emphasis'); 175 return true; 176 } 177 178 function underline($match, $state, $pos) { 179 $this->_nestingTag($match, $state, $pos, 'underline'); 180 return true; 181 } 182 183 function monospace($match, $state, $pos) { 184 $this->_nestingTag($match, $state, $pos, 'monospace'); 185 return true; 186 } 187 188 function subscript($match, $state, $pos) { 189 $this->_nestingTag($match, $state, $pos, 'subscript'); 190 return true; 191 } 192 193 function superscript($match, $state, $pos) { 194 $this->_nestingTag($match, $state, $pos, 'superscript'); 195 return true; 196 } 197 198 function deleted($match, $state, $pos) { 199 $this->_nestingTag($match, $state, $pos, 'deleted'); 200 return true; 201 } 202 203 204 function footnote($match, $state, $pos) { 205// $this->_nestingTag($match, $state, $pos, 'footnote'); 206 if (!isset($this->_footnote)) $this->_footnote = false; 207 208 switch ( $state ) { 209 case DOKU_LEXER_ENTER: 210 // footnotes can not be nested - however due to limitations in lexer it can't be prevented 211 // we will still enter a new footnote mode, we just do nothing 212 if ($this->_footnote) { 213 $this->_addCall('cdata',array($match), $pos); 214 break; 215 } 216 217 $this->_footnote = true; 218 219 $ReWriter = new Doku_Handler_Nest($this->CallWriter,'footnote_close'); 220 $this->CallWriter = & $ReWriter; 221 $this->_addCall('footnote_open', array(), $pos); 222 break; 223 case DOKU_LEXER_EXIT: 224 // check whether we have already exitted the footnote mode, can happen if the modes were nested 225 if (!$this->_footnote) { 226 $this->_addCall('cdata',array($match), $pos); 227 break; 228 } 229 230 $this->_footnote = false; 231 232 $this->_addCall('footnote_close', array(), $pos); 233 $this->CallWriter->process(); 234 $ReWriter = & $this->CallWriter; 235 $this->CallWriter = & $ReWriter->CallWriter; 236 break; 237 case DOKU_LEXER_UNMATCHED: 238 $this->_addCall('cdata', array($match), $pos); 239 break; 240 } 241 return true; 242 } 243 244 function listblock($match, $state, $pos) { 245 switch ( $state ) { 246 case DOKU_LEXER_ENTER: 247 $ReWriter = new Doku_Handler_List($this->CallWriter); 248 $this->CallWriter = & $ReWriter; 249 $this->_addCall('list_open', array($match), $pos); 250 break; 251 case DOKU_LEXER_EXIT: 252 $this->_addCall('list_close', array(), $pos); 253 $this->CallWriter->process(); 254 $ReWriter = & $this->CallWriter; 255 $this->CallWriter = & $ReWriter->CallWriter; 256 break; 257 case DOKU_LEXER_MATCHED: 258 $this->_addCall('list_item', array($match), $pos); 259 break; 260 case DOKU_LEXER_UNMATCHED: 261 $this->_addCall('cdata', array($match), $pos); 262 break; 263 } 264 return true; 265 } 266 267 function unformatted($match, $state, $pos) { 268 if ( $state == DOKU_LEXER_UNMATCHED ) { 269 $this->_addCall('unformatted',array($match), $pos); 270 } 271 return true; 272 } 273 274 function php($match, $state, $pos) { 275 global $conf; 276 if ( $state == DOKU_LEXER_UNMATCHED ) { 277 $this->_addCall('php',array($match), $pos); 278 } 279 return true; 280 } 281 282 function phpblock($match, $state, $pos) { 283 global $conf; 284 if ( $state == DOKU_LEXER_UNMATCHED ) { 285 $this->_addCall('phpblock',array($match), $pos); 286 } 287 return true; 288 } 289 290 function html($match, $state, $pos) { 291 global $conf; 292 if ( $state == DOKU_LEXER_UNMATCHED ) { 293 $this->_addCall('html',array($match), $pos); 294 } 295 return true; 296 } 297 298 function htmlblock($match, $state, $pos) { 299 global $conf; 300 if ( $state == DOKU_LEXER_UNMATCHED ) { 301 $this->_addCall('htmlblock',array($match), $pos); 302 } 303 return true; 304 } 305 306 function preformatted($match, $state, $pos) { 307 switch ( $state ) { 308 case DOKU_LEXER_ENTER: 309 $ReWriter = new Doku_Handler_Preformatted($this->CallWriter); 310 $this->CallWriter = $ReWriter; 311 $this->_addCall('preformatted_start',array(), $pos); 312 break; 313 case DOKU_LEXER_EXIT: 314 $this->_addCall('preformatted_end',array(), $pos); 315 $this->CallWriter->process(); 316 $ReWriter = & $this->CallWriter; 317 $this->CallWriter = & $ReWriter->CallWriter; 318 break; 319 case DOKU_LEXER_MATCHED: 320 $this->_addCall('preformatted_newline',array(), $pos); 321 break; 322 case DOKU_LEXER_UNMATCHED: 323 $this->_addCall('preformatted_content',array($match), $pos); 324 break; 325 } 326 327 return true; 328 } 329 330 function quote($match, $state, $pos) { 331 332 switch ( $state ) { 333 334 case DOKU_LEXER_ENTER: 335 $ReWriter = new Doku_Handler_Quote($this->CallWriter); 336 $this->CallWriter = & $ReWriter; 337 $this->_addCall('quote_start',array($match), $pos); 338 break; 339 340 case DOKU_LEXER_EXIT: 341 $this->_addCall('quote_end',array(), $pos); 342 $this->CallWriter->process(); 343 $ReWriter = & $this->CallWriter; 344 $this->CallWriter = & $ReWriter->CallWriter; 345 break; 346 347 case DOKU_LEXER_MATCHED: 348 $this->_addCall('quote_newline',array($match), $pos); 349 break; 350 351 case DOKU_LEXER_UNMATCHED: 352 $this->_addCall('cdata',array($match), $pos); 353 break; 354 355 } 356 357 return true; 358 } 359 360 function file($match, $state, $pos) { 361 return $this->code($match, $state, $pos, 'file'); 362 } 363 364 function code($match, $state, $pos, $type='code') { 365 if ( $state == DOKU_LEXER_UNMATCHED ) { 366 $matches = explode('>',$match,2); 367 368 $param = preg_split('/\s+/', $matches[0], 2, PREG_SPLIT_NO_EMPTY); 369 while(count($param) < 2) array_push($param, null); 370 371 // We shortcut html here. 372 if ($param[0] == 'html') $param[0] = 'html4strict'; 373 if ($param[0] == '-') $param[0] = null; 374 array_unshift($param, $matches[1]); 375 376 $this->_addCall($type, $param, $pos); 377 } 378 return true; 379 } 380 381 function acronym($match, $state, $pos) { 382 $this->_addCall('acronym',array($match), $pos); 383 return true; 384 } 385 386 function smiley($match, $state, $pos) { 387 $this->_addCall('smiley',array($match), $pos); 388 return true; 389 } 390 391 function wordblock($match, $state, $pos) { 392 $this->_addCall('wordblock',array($match), $pos); 393 return true; 394 } 395 396 function entity($match, $state, $pos) { 397 $this->_addCall('entity',array($match), $pos); 398 return true; 399 } 400 401 function multiplyentity($match, $state, $pos) { 402 preg_match_all('/\d+/',$match,$matches); 403 $this->_addCall('multiplyentity',array($matches[0][0],$matches[0][1]), $pos); 404 return true; 405 } 406 407 function singlequoteopening($match, $state, $pos) { 408 $this->_addCall('singlequoteopening',array(), $pos); 409 return true; 410 } 411 412 function singlequoteclosing($match, $state, $pos) { 413 $this->_addCall('singlequoteclosing',array(), $pos); 414 return true; 415 } 416 417 function apostrophe($match, $state, $pos) { 418 $this->_addCall('apostrophe',array(), $pos); 419 return true; 420 } 421 422 function doublequoteopening($match, $state, $pos) { 423 $this->_addCall('doublequoteopening',array(), $pos); 424 $this->status['doublequote']++; 425 return true; 426 } 427 428 function doublequoteclosing($match, $state, $pos) { 429 if ($this->status['doublequote'] <= 0) { 430 $this->doublequoteopening($match, $state, $pos); 431 } else { 432 $this->_addCall('doublequoteclosing',array(), $pos); 433 $this->status['doublequote'] = max(0, --$this->status['doublequote']); 434 } 435 return true; 436 } 437 438 function camelcaselink($match, $state, $pos) { 439 $this->_addCall('camelcaselink',array($match), $pos); 440 return true; 441 } 442 443 /* 444 */ 445 function internallink($match, $state, $pos) { 446 // Strip the opening and closing markup 447 $link = preg_replace(array('/^\[\[/','/\]\]$/u'),'',$match); 448 449 // Split title from URL 450 $link = explode('|',$link,2); 451 if ( !isset($link[1]) ) { 452 $link[1] = null; 453 } else if ( preg_match('/^\{\{[^\}]+\}\}$/',$link[1]) ) { 454 // If the title is an image, convert it to an array containing the image details 455 $link[1] = Doku_Handler_Parse_Media($link[1]); 456 } 457 $link[0] = trim($link[0]); 458 459 //decide which kind of link it is 460 461 if ( link_isinterwiki($link[0]) ) { 462 // Interwiki 463 $interwiki = explode('>',$link[0],2); 464 $this->_addCall( 465 'interwikilink', 466 array($link[0],$link[1],strtolower($interwiki[0]),$interwiki[1]), 467 $pos 468 ); 469 }elseif ( preg_match('/^\\\\\\\\[^\\\\]+?\\\\/u',$link[0]) ) { 470 // Windows Share 471 $this->_addCall( 472 'windowssharelink', 473 array($link[0],$link[1]), 474 $pos 475 ); 476 }elseif ( preg_match('#^([a-z0-9\-\.+]+?)://#i',$link[0]) ) { 477 // external link (accepts all protocols) 478 $this->_addCall( 479 'externallink', 480 array($link[0],$link[1]), 481 $pos 482 ); 483 }elseif ( preg_match('<'.PREG_PATTERN_VALID_EMAIL.'>',$link[0]) ) { 484 // E-Mail (pattern above is defined in inc/mail.php) 485 $this->_addCall( 486 'emaillink', 487 array($link[0],$link[1]), 488 $pos 489 ); 490 }elseif ( preg_match('!^#.+!',$link[0]) ){ 491 // local link 492 $this->_addCall( 493 'locallink', 494 array(substr($link[0],1),$link[1]), 495 $pos 496 ); 497 }else{ 498 // internal link 499 $this->_addCall( 500 'internallink', 501 array($link[0],$link[1]), 502 $pos 503 ); 504 } 505 506 return true; 507 } 508 509 function filelink($match, $state, $pos) { 510 $this->_addCall('filelink',array($match, null), $pos); 511 return true; 512 } 513 514 function windowssharelink($match, $state, $pos) { 515 $this->_addCall('windowssharelink',array($match, null), $pos); 516 return true; 517 } 518 519 function media($match, $state, $pos) { 520 $p = Doku_Handler_Parse_Media($match); 521 522 $this->_addCall( 523 $p['type'], 524 array($p['src'], $p['title'], $p['align'], $p['width'], 525 $p['height'], $p['cache'], $p['linking']), 526 $pos 527 ); 528 return true; 529 } 530 531 function rss($match, $state, $pos) { 532 $link = preg_replace(array('/^\{\{rss>/','/\}\}$/'),'',$match); 533 534 // get params 535 list($link,$params) = explode(' ',$link,2); 536 537 $p = array(); 538 if(preg_match('/\b(\d+)\b/',$params,$match)){ 539 $p['max'] = $match[1]; 540 }else{ 541 $p['max'] = 8; 542 } 543 $p['reverse'] = (preg_match('/rev/',$params)); 544 $p['author'] = (preg_match('/\b(by|author)/',$params)); 545 $p['date'] = (preg_match('/\b(date)/',$params)); 546 $p['details'] = (preg_match('/\b(desc|detail)/',$params)); 547 $p['nosort'] = (preg_match('/\b(nosort)\b/',$params)); 548 549 if (preg_match('/\b(\d+)([dhm])\b/',$params,$match)) { 550 $period = array('d' => 86400, 'h' => 3600, 'm' => 60); 551 $p['refresh'] = max(600,$match[1]*$period[$match[2]]); // n * period in seconds, minimum 10 minutes 552 } else { 553 $p['refresh'] = 14400; // default to 4 hours 554 } 555 556 $this->_addCall('rss',array($link,$p),$pos); 557 return true; 558 } 559 560 function externallink($match, $state, $pos) { 561 $url = $match; 562 $title = null; 563 564 // add protocol on simple short URLs 565 if(substr($url,0,3) == 'ftp' && (substr($url,0,6) != 'ftp://')){ 566 $title = $url; 567 $url = 'ftp://'.$url; 568 } 569 if(substr($url,0,3) == 'www' && (substr($url,0,7) != 'http://')){ 570 $title = $url; 571 $url = 'http://'.$url; 572 } 573 574 $this->_addCall('externallink',array($url, $title), $pos); 575 return true; 576 } 577 578 function emaillink($match, $state, $pos) { 579 $email = preg_replace(array('/^</','/>$/'),'',$match); 580 $this->_addCall('emaillink',array($email, null), $pos); 581 return true; 582 } 583 584 function table($match, $state, $pos) { 585 switch ( $state ) { 586 587 case DOKU_LEXER_ENTER: 588 589 $ReWriter = new Doku_Handler_Table($this->CallWriter); 590 $this->CallWriter = & $ReWriter; 591 592 $this->_addCall('table_start', array($pos + 1), $pos); 593 if ( trim($match) == '^' ) { 594 $this->_addCall('tableheader', array(), $pos); 595 } else { 596 $this->_addCall('tablecell', array(), $pos); 597 } 598 break; 599 600 case DOKU_LEXER_EXIT: 601 $this->_addCall('table_end', array($pos), $pos); 602 $this->CallWriter->process(); 603 $ReWriter = & $this->CallWriter; 604 $this->CallWriter = & $ReWriter->CallWriter; 605 break; 606 607 case DOKU_LEXER_UNMATCHED: 608 if ( trim($match) != '' ) { 609 $this->_addCall('cdata',array($match), $pos); 610 } 611 break; 612 613 case DOKU_LEXER_MATCHED: 614 if ( $match == ' ' ){ 615 $this->_addCall('cdata', array($match), $pos); 616 } else if ( preg_match('/:::/',$match) ) { 617 $this->_addCall('rowspan', array($match), $pos); 618 } else if ( preg_match('/\t+/',$match) ) { 619 $this->_addCall('table_align', array($match), $pos); 620 } else if ( preg_match('/ {2,}/',$match) ) { 621 $this->_addCall('table_align', array($match), $pos); 622 } else if ( $match == "\n|" ) { 623 $this->_addCall('table_row', array(), $pos); 624 $this->_addCall('tablecell', array(), $pos); 625 } else if ( $match == "\n^" ) { 626 $this->_addCall('table_row', array(), $pos); 627 $this->_addCall('tableheader', array(), $pos); 628 } else if ( $match == '|' ) { 629 $this->_addCall('tablecell', array(), $pos); 630 } else if ( $match == '^' ) { 631 $this->_addCall('tableheader', array(), $pos); 632 } 633 break; 634 } 635 return true; 636 } 637} 638 639//------------------------------------------------------------------------ 640function Doku_Handler_Parse_Media($match) { 641 642 // Strip the opening and closing markup 643 $link = preg_replace(array('/^\{\{/','/\}\}$/u'),'',$match); 644 645 // Split title from URL 646 $link = explode('|',$link,2); 647 648 // Check alignment 649 $ralign = (bool)preg_match('/^ /',$link[0]); 650 $lalign = (bool)preg_match('/ $/',$link[0]); 651 652 // Logic = what's that ;)... 653 if ( $lalign & $ralign ) { 654 $align = 'center'; 655 } else if ( $ralign ) { 656 $align = 'right'; 657 } else if ( $lalign ) { 658 $align = 'left'; 659 } else { 660 $align = null; 661 } 662 663 // The title... 664 if ( !isset($link[1]) ) { 665 $link[1] = null; 666 } 667 668 //remove aligning spaces 669 $link[0] = trim($link[0]); 670 671 //split into src and parameters (using the very last questionmark) 672 $pos = strrpos($link[0], '?'); 673 if($pos !== false){ 674 $src = substr($link[0],0,$pos); 675 $param = substr($link[0],$pos+1); 676 }else{ 677 $src = $link[0]; 678 $param = ''; 679 } 680 681 //parse width and height 682 if(preg_match('#(\d+)(x(\d+))?#i',$param,$size)){ 683 !empty($size[1]) ? $w = $size[1] : $w = null; 684 !empty($size[3]) ? $h = $size[3] : $h = null; 685 } else { 686 $w = null; 687 $h = null; 688 } 689 690 //get linking command 691 if(preg_match('/nolink/i',$param)){ 692 $linking = 'nolink'; 693 }else if(preg_match('/direct/i',$param)){ 694 $linking = 'direct'; 695 }else if(preg_match('/linkonly/i',$param)){ 696 $linking = 'linkonly'; 697 }else{ 698 $linking = 'details'; 699 } 700 701 //get caching command 702 if (preg_match('/(nocache|recache)/i',$param,$cachemode)){ 703 $cache = $cachemode[1]; 704 }else{ 705 $cache = 'cache'; 706 } 707 708 // Check whether this is a local or remote image or interwiki 709 if (media_isexternal($src) || link_isinterwiki($src)){ 710 $call = 'externalmedia'; 711 } else { 712 $call = 'internalmedia'; 713 } 714 715 $params = array( 716 'type'=>$call, 717 'src'=>$src, 718 'title'=>$link[1], 719 'align'=>$align, 720 'width'=>$w, 721 'height'=>$h, 722 'cache'=>$cache, 723 'linking'=>$linking, 724 ); 725 726 return $params; 727} 728 729//------------------------------------------------------------------------ 730interface Doku_Handler_CallWriter_Interface { 731 public function writeCall($call); 732 public function writeCalls($calls); 733 public function finalise(); 734} 735 736class Doku_Handler_CallWriter implements Doku_Handler_CallWriter_Interface { 737 738 var $Handler; 739 740 /** 741 * @param Doku_Handler $Handler 742 */ 743 function __construct(Doku_Handler $Handler) { 744 $this->Handler = $Handler; 745 } 746 747 function writeCall($call) { 748 $this->Handler->calls[] = $call; 749 } 750 751 function writeCalls($calls) { 752 $this->Handler->calls = array_merge($this->Handler->calls, $calls); 753 } 754 755 // function is required, but since this call writer is first/highest in 756 // the chain it is not required to do anything 757 function finalise() { 758 unset($this->Handler); 759 } 760} 761 762//------------------------------------------------------------------------ 763/** 764 * Generic call writer class to handle nesting of rendering instructions 765 * within a render instruction. Also see nest() method of renderer base class 766 * 767 * @author Chris Smith <chris@jalakai.co.uk> 768 */ 769class Doku_Handler_Nest implements Doku_Handler_CallWriter_Interface { 770 771 var $CallWriter; 772 var $calls = array(); 773 774 var $closingInstruction; 775 776 /** 777 * constructor 778 * 779 * @param Doku_Handler_CallWriter $CallWriter the renderers current call writer 780 * @param string $close closing instruction name, this is required to properly terminate the 781 * syntax mode if the document ends without a closing pattern 782 */ 783 function __construct(Doku_Handler_CallWriter_Interface $CallWriter, $close="nest_close") { 784 $this->CallWriter = $CallWriter; 785 786 $this->closingInstruction = $close; 787 } 788 789 function writeCall($call) { 790 $this->calls[] = $call; 791 } 792 793 function writeCalls($calls) { 794 $this->calls = array_merge($this->calls, $calls); 795 } 796 797 function finalise() { 798 $last_call = end($this->calls); 799 $this->writeCall(array($this->closingInstruction,array(), $last_call[2])); 800 801 $this->process(); 802 $this->CallWriter->finalise(); 803 unset($this->CallWriter); 804 } 805 806 function process() { 807 // merge consecutive cdata 808 $unmerged_calls = $this->calls; 809 $this->calls = array(); 810 811 foreach ($unmerged_calls as $call) $this->addCall($call); 812 813 $first_call = reset($this->calls); 814 $this->CallWriter->writeCall(array("nest", array($this->calls), $first_call[2])); 815 } 816 817 function addCall($call) { 818 $key = count($this->calls); 819 if ($key and ($call[0] == 'cdata') and ($this->calls[$key-1][0] == 'cdata')) { 820 $this->calls[$key-1][1][0] .= $call[1][0]; 821 } else if ($call[0] == 'eol') { 822 // do nothing (eol shouldn't be allowed, to counter preformatted fix in #1652 & #1699) 823 } else { 824 $this->calls[] = $call; 825 } 826 } 827} 828 829class Doku_Handler_List implements Doku_Handler_CallWriter_Interface { 830 831 var $CallWriter; 832 833 var $calls = array(); 834 var $listCalls = array(); 835 var $listStack = array(); 836 837 const NODE = 1; 838 839 function __construct(Doku_Handler_CallWriter_Interface $CallWriter) { 840 $this->CallWriter = $CallWriter; 841 } 842 843 function writeCall($call) { 844 $this->calls[] = $call; 845 } 846 847 // Probably not needed but just in case... 848 function writeCalls($calls) { 849 $this->calls = array_merge($this->calls, $calls); 850# $this->CallWriter->writeCalls($this->calls); 851 } 852 853 function finalise() { 854 $last_call = end($this->calls); 855 $this->writeCall(array('list_close',array(), $last_call[2])); 856 857 $this->process(); 858 $this->CallWriter->finalise(); 859 unset($this->CallWriter); 860 } 861 862 //------------------------------------------------------------------------ 863 function process() { 864 865 foreach ( $this->calls as $call ) { 866 switch ($call[0]) { 867 case 'list_item': 868 $this->listOpen($call); 869 break; 870 case 'list_open': 871 $this->listStart($call); 872 break; 873 case 'list_close': 874 $this->listEnd($call); 875 break; 876 default: 877 $this->listContent($call); 878 break; 879 } 880 } 881 882 $this->CallWriter->writeCalls($this->listCalls); 883 } 884 885 //------------------------------------------------------------------------ 886 function listStart($call) { 887 $depth = $this->interpretSyntax($call[1][0], $listType); 888 889 $this->initialDepth = $depth; 890 // array(list type, current depth, index of current listitem_open) 891 $this->listStack[] = array($listType, $depth, 1); 892 893 $this->listCalls[] = array('list'.$listType.'_open',array(),$call[2]); 894 $this->listCalls[] = array('listitem_open',array(1),$call[2]); 895 $this->listCalls[] = array('listcontent_open',array(),$call[2]); 896 } 897 898 //------------------------------------------------------------------------ 899 function listEnd($call) { 900 $closeContent = true; 901 902 while ( $list = array_pop($this->listStack) ) { 903 if ( $closeContent ) { 904 $this->listCalls[] = array('listcontent_close',array(),$call[2]); 905 $closeContent = false; 906 } 907 $this->listCalls[] = array('listitem_close',array(),$call[2]); 908 $this->listCalls[] = array('list'.$list[0].'_close', array(), $call[2]); 909 } 910 } 911 912 //------------------------------------------------------------------------ 913 function listOpen($call) { 914 $depth = $this->interpretSyntax($call[1][0], $listType); 915 $end = end($this->listStack); 916 $key = key($this->listStack); 917 918 // Not allowed to be shallower than initialDepth 919 if ( $depth < $this->initialDepth ) { 920 $depth = $this->initialDepth; 921 } 922 923 //------------------------------------------------------------------------ 924 if ( $depth == $end[1] ) { 925 926 // Just another item in the list... 927 if ( $listType == $end[0] ) { 928 $this->listCalls[] = array('listcontent_close',array(),$call[2]); 929 $this->listCalls[] = array('listitem_close',array(),$call[2]); 930 $this->listCalls[] = array('listitem_open',array($depth-1),$call[2]); 931 $this->listCalls[] = array('listcontent_open',array(),$call[2]); 932 933 // new list item, update list stack's index into current listitem_open 934 $this->listStack[$key][2] = count($this->listCalls) - 2; 935 936 // Switched list type... 937 } else { 938 939 $this->listCalls[] = array('listcontent_close',array(),$call[2]); 940 $this->listCalls[] = array('listitem_close',array(),$call[2]); 941 $this->listCalls[] = array('list'.$end[0].'_close', array(), $call[2]); 942 $this->listCalls[] = array('list'.$listType.'_open', array(), $call[2]); 943 $this->listCalls[] = array('listitem_open', array($depth-1), $call[2]); 944 $this->listCalls[] = array('listcontent_open',array(),$call[2]); 945 946 array_pop($this->listStack); 947 $this->listStack[] = array($listType, $depth, count($this->listCalls) - 2); 948 } 949 950 //------------------------------------------------------------------------ 951 // Getting deeper... 952 } else if ( $depth > $end[1] ) { 953 954 $this->listCalls[] = array('listcontent_close',array(),$call[2]); 955 $this->listCalls[] = array('list'.$listType.'_open', array(), $call[2]); 956 $this->listCalls[] = array('listitem_open', array($depth-1), $call[2]); 957 $this->listCalls[] = array('listcontent_open',array(),$call[2]); 958 959 // set the node/leaf state of this item's parent listitem_open to NODE 960 $this->listCalls[$this->listStack[$key][2]][1][1] = self::NODE; 961 962 $this->listStack[] = array($listType, $depth, count($this->listCalls) - 2); 963 964 //------------------------------------------------------------------------ 965 // Getting shallower ( $depth < $end[1] ) 966 } else { 967 $this->listCalls[] = array('listcontent_close',array(),$call[2]); 968 $this->listCalls[] = array('listitem_close',array(),$call[2]); 969 $this->listCalls[] = array('list'.$end[0].'_close',array(),$call[2]); 970 971 // Throw away the end - done 972 array_pop($this->listStack); 973 974 while (1) { 975 $end = end($this->listStack); 976 $key = key($this->listStack); 977 978 if ( $end[1] <= $depth ) { 979 980 // Normalize depths 981 $depth = $end[1]; 982 983 $this->listCalls[] = array('listitem_close',array(),$call[2]); 984 985 if ( $end[0] == $listType ) { 986 $this->listCalls[] = array('listitem_open',array($depth-1),$call[2]); 987 $this->listCalls[] = array('listcontent_open',array(),$call[2]); 988 989 // new list item, update list stack's index into current listitem_open 990 $this->listStack[$key][2] = count($this->listCalls) - 2; 991 992 } else { 993 // Switching list type... 994 $this->listCalls[] = array('list'.$end[0].'_close', array(), $call[2]); 995 $this->listCalls[] = array('list'.$listType.'_open', array(), $call[2]); 996 $this->listCalls[] = array('listitem_open', array($depth-1), $call[2]); 997 $this->listCalls[] = array('listcontent_open',array(),$call[2]); 998 999 array_pop($this->listStack); 1000 $this->listStack[] = array($listType, $depth, count($this->listCalls) - 2); 1001 } 1002 1003 break; 1004 1005 // Haven't dropped down far enough yet.... ( $end[1] > $depth ) 1006 } else { 1007 1008 $this->listCalls[] = array('listitem_close',array(),$call[2]); 1009 $this->listCalls[] = array('list'.$end[0].'_close',array(),$call[2]); 1010 1011 array_pop($this->listStack); 1012 1013 } 1014 1015 } 1016 1017 } 1018 } 1019 1020 //------------------------------------------------------------------------ 1021 function listContent($call) { 1022 $this->listCalls[] = $call; 1023 } 1024 1025 //------------------------------------------------------------------------ 1026 function interpretSyntax($match, & $type) { 1027 if ( substr($match,-1) == '*' ) { 1028 $type = 'u'; 1029 } else { 1030 $type = 'o'; 1031 } 1032 // Is the +1 needed? It used to be count(explode(...)) 1033 // but I don't think the number is seen outside this handler 1034 return substr_count(str_replace("\t",' ',$match), ' ') + 1; 1035 } 1036} 1037 1038//------------------------------------------------------------------------ 1039class Doku_Handler_Preformatted implements Doku_Handler_CallWriter_Interface { 1040 1041 var $CallWriter; 1042 1043 var $calls = array(); 1044 var $pos; 1045 var $text =''; 1046 1047 1048 1049 function __construct(Doku_Handler_CallWriter_Interface $CallWriter) { 1050 $this->CallWriter = $CallWriter; 1051 } 1052 1053 function writeCall($call) { 1054 $this->calls[] = $call; 1055 } 1056 1057 // Probably not needed but just in case... 1058 function writeCalls($calls) { 1059 $this->calls = array_merge($this->calls, $calls); 1060# $this->CallWriter->writeCalls($this->calls); 1061 } 1062 1063 function finalise() { 1064 $last_call = end($this->calls); 1065 $this->writeCall(array('preformatted_end',array(), $last_call[2])); 1066 1067 $this->process(); 1068 $this->CallWriter->finalise(); 1069 unset($this->CallWriter); 1070 } 1071 1072 function process() { 1073 foreach ( $this->calls as $call ) { 1074 switch ($call[0]) { 1075 case 'preformatted_start': 1076 $this->pos = $call[2]; 1077 break; 1078 case 'preformatted_newline': 1079 $this->text .= "\n"; 1080 break; 1081 case 'preformatted_content': 1082 $this->text .= $call[1][0]; 1083 break; 1084 case 'preformatted_end': 1085 if (trim($this->text)) { 1086 $this->CallWriter->writeCall(array('preformatted',array($this->text),$this->pos)); 1087 } 1088 // see FS#1699 & FS#1652, add 'eol' instructions to ensure proper triggering of following p_open 1089 $this->CallWriter->writeCall(array('eol',array(),$this->pos)); 1090 $this->CallWriter->writeCall(array('eol',array(),$this->pos)); 1091 break; 1092 } 1093 } 1094 } 1095 1096} 1097 1098//------------------------------------------------------------------------ 1099class Doku_Handler_Quote implements Doku_Handler_CallWriter_Interface { 1100 1101 var $CallWriter; 1102 1103 var $calls = array(); 1104 1105 var $quoteCalls = array(); 1106 1107 function __construct(Doku_Handler_CallWriter_Interface $CallWriter) { 1108 $this->CallWriter = $CallWriter; 1109 } 1110 1111 function writeCall($call) { 1112 $this->calls[] = $call; 1113 } 1114 1115 // Probably not needed but just in case... 1116 function writeCalls($calls) { 1117 $this->calls = array_merge($this->calls, $calls); 1118 } 1119 1120 function finalise() { 1121 $last_call = end($this->calls); 1122 $this->writeCall(array('quote_end',array(), $last_call[2])); 1123 1124 $this->process(); 1125 $this->CallWriter->finalise(); 1126 unset($this->CallWriter); 1127 } 1128 1129 function process() { 1130 1131 $quoteDepth = 1; 1132 1133 foreach ( $this->calls as $call ) { 1134 switch ($call[0]) { 1135 1136 case 'quote_start': 1137 1138 $this->quoteCalls[] = array('quote_open',array(),$call[2]); 1139 1140 case 'quote_newline': 1141 1142 $quoteLength = $this->getDepth($call[1][0]); 1143 1144 if ( $quoteLength > $quoteDepth ) { 1145 $quoteDiff = $quoteLength - $quoteDepth; 1146 for ( $i = 1; $i <= $quoteDiff; $i++ ) { 1147 $this->quoteCalls[] = array('quote_open',array(),$call[2]); 1148 } 1149 } else if ( $quoteLength < $quoteDepth ) { 1150 $quoteDiff = $quoteDepth - $quoteLength; 1151 for ( $i = 1; $i <= $quoteDiff; $i++ ) { 1152 $this->quoteCalls[] = array('quote_close',array(),$call[2]); 1153 } 1154 } else { 1155 if ($call[0] != 'quote_start') $this->quoteCalls[] = array('linebreak',array(),$call[2]); 1156 } 1157 1158 $quoteDepth = $quoteLength; 1159 1160 break; 1161 1162 case 'quote_end': 1163 1164 if ( $quoteDepth > 1 ) { 1165 $quoteDiff = $quoteDepth - 1; 1166 for ( $i = 1; $i <= $quoteDiff; $i++ ) { 1167 $this->quoteCalls[] = array('quote_close',array(),$call[2]); 1168 } 1169 } 1170 1171 $this->quoteCalls[] = array('quote_close',array(),$call[2]); 1172 1173 $this->CallWriter->writeCalls($this->quoteCalls); 1174 break; 1175 1176 default: 1177 $this->quoteCalls[] = $call; 1178 break; 1179 } 1180 } 1181 } 1182 1183 function getDepth($marker) { 1184 preg_match('/>{1,}/', $marker, $matches); 1185 $quoteLength = strlen($matches[0]); 1186 return $quoteLength; 1187 } 1188} 1189 1190//------------------------------------------------------------------------ 1191class Doku_Handler_Table implements Doku_Handler_CallWriter_Interface { 1192 1193 var $CallWriter; 1194 1195 var $calls = array(); 1196 var $tableCalls = array(); 1197 var $maxCols = 0; 1198 var $maxRows = 1; 1199 var $currentCols = 0; 1200 var $firstCell = false; 1201 var $lastCellType = 'tablecell'; 1202 var $inTableHead = true; 1203 var $currentRow = array('tableheader' => 0, 'tablecell' => 0); 1204 var $countTableHeadRows = 0; 1205 1206 function __construct(Doku_Handler_CallWriter_Interface $CallWriter) { 1207 $this->CallWriter = $CallWriter; 1208 } 1209 1210 function writeCall($call) { 1211 $this->calls[] = $call; 1212 } 1213 1214 // Probably not needed but just in case... 1215 function writeCalls($calls) { 1216 $this->calls = array_merge($this->calls, $calls); 1217 } 1218 1219 function finalise() { 1220 $last_call = end($this->calls); 1221 $this->writeCall(array('table_end',array(), $last_call[2])); 1222 1223 $this->process(); 1224 $this->CallWriter->finalise(); 1225 unset($this->CallWriter); 1226 } 1227 1228 //------------------------------------------------------------------------ 1229 function process() { 1230 foreach ( $this->calls as $call ) { 1231 switch ( $call[0] ) { 1232 case 'table_start': 1233 $this->tableStart($call); 1234 break; 1235 case 'table_row': 1236 $this->tableRowClose($call); 1237 $this->tableRowOpen(array('tablerow_open',$call[1],$call[2])); 1238 break; 1239 case 'tableheader': 1240 case 'tablecell': 1241 $this->tableCell($call); 1242 break; 1243 case 'table_end': 1244 $this->tableRowClose($call); 1245 $this->tableEnd($call); 1246 break; 1247 default: 1248 $this->tableDefault($call); 1249 break; 1250 } 1251 } 1252 $this->CallWriter->writeCalls($this->tableCalls); 1253 } 1254 1255 function tableStart($call) { 1256 $this->tableCalls[] = array('table_open',$call[1],$call[2]); 1257 $this->tableCalls[] = array('tablerow_open',array(),$call[2]); 1258 $this->firstCell = true; 1259 } 1260 1261 function tableEnd($call) { 1262 $this->tableCalls[] = array('table_close',$call[1],$call[2]); 1263 $this->finalizeTable(); 1264 } 1265 1266 function tableRowOpen($call) { 1267 $this->tableCalls[] = $call; 1268 $this->currentCols = 0; 1269 $this->firstCell = true; 1270 $this->lastCellType = 'tablecell'; 1271 $this->maxRows++; 1272 if ($this->inTableHead) { 1273 $this->currentRow = array('tablecell' => 0, 'tableheader' => 0); 1274 } 1275 } 1276 1277 function tableRowClose($call) { 1278 if ($this->inTableHead && ($this->inTableHead = $this->isTableHeadRow())) { 1279 $this->countTableHeadRows++; 1280 } 1281 // Strip off final cell opening and anything after it 1282 while ( $discard = array_pop($this->tableCalls ) ) { 1283 1284 if ( $discard[0] == 'tablecell_open' || $discard[0] == 'tableheader_open') { 1285 break; 1286 } 1287 if (!empty($this->currentRow[$discard[0]])) { 1288 $this->currentRow[$discard[0]]--; 1289 } 1290 } 1291 $this->tableCalls[] = array('tablerow_close', array(), $call[2]); 1292 1293 if ( $this->currentCols > $this->maxCols ) { 1294 $this->maxCols = $this->currentCols; 1295 } 1296 } 1297 1298 function isTableHeadRow() { 1299 $td = $this->currentRow['tablecell']; 1300 $th = $this->currentRow['tableheader']; 1301 1302 if (!$th || $td > 2) return false; 1303 if (2*$td > $th) return false; 1304 1305 return true; 1306 } 1307 1308 function tableCell($call) { 1309 if ($this->inTableHead) { 1310 $this->currentRow[$call[0]]++; 1311 } 1312 if ( !$this->firstCell ) { 1313 1314 // Increase the span 1315 $lastCall = end($this->tableCalls); 1316 1317 // A cell call which follows an open cell means an empty cell so span 1318 if ( $lastCall[0] == 'tablecell_open' || $lastCall[0] == 'tableheader_open' ) { 1319 $this->tableCalls[] = array('colspan',array(),$call[2]); 1320 1321 } 1322 1323 $this->tableCalls[] = array($this->lastCellType.'_close',array(),$call[2]); 1324 $this->tableCalls[] = array($call[0].'_open',array(1,null,1),$call[2]); 1325 $this->lastCellType = $call[0]; 1326 1327 } else { 1328 1329 $this->tableCalls[] = array($call[0].'_open',array(1,null,1),$call[2]); 1330 $this->lastCellType = $call[0]; 1331 $this->firstCell = false; 1332 1333 } 1334 1335 $this->currentCols++; 1336 } 1337 1338 function tableDefault($call) { 1339 $this->tableCalls[] = $call; 1340 } 1341 1342 function finalizeTable() { 1343 1344 // Add the max cols and rows to the table opening 1345 if ( $this->tableCalls[0][0] == 'table_open' ) { 1346 // Adjust to num cols not num col delimeters 1347 $this->tableCalls[0][1][] = $this->maxCols - 1; 1348 $this->tableCalls[0][1][] = $this->maxRows; 1349 $this->tableCalls[0][1][] = array_shift($this->tableCalls[0][1]); 1350 } else { 1351 trigger_error('First element in table call list is not table_open'); 1352 } 1353 1354 $lastRow = 0; 1355 $lastCell = 0; 1356 $cellKey = array(); 1357 $toDelete = array(); 1358 1359 // if still in tableheader, then there can be no table header 1360 // as all rows can't be within <THEAD> 1361 if ($this->inTableHead) { 1362 $this->inTableHead = false; 1363 $this->countTableHeadRows = 0; 1364 } 1365 1366 // Look for the colspan elements and increment the colspan on the 1367 // previous non-empty opening cell. Once done, delete all the cells 1368 // that contain colspans 1369 for ($key = 0 ; $key < count($this->tableCalls) ; ++$key) { 1370 $call = $this->tableCalls[$key]; 1371 1372 switch ($call[0]) { 1373 case 'table_open' : 1374 if($this->countTableHeadRows) { 1375 array_splice($this->tableCalls, $key+1, 0, array( 1376 array('tablethead_open', array(), $call[2])) 1377 ); 1378 } 1379 break; 1380 1381 case 'tablerow_open': 1382 1383 $lastRow++; 1384 $lastCell = 0; 1385 break; 1386 1387 case 'tablecell_open': 1388 case 'tableheader_open': 1389 1390 $lastCell++; 1391 $cellKey[$lastRow][$lastCell] = $key; 1392 break; 1393 1394 case 'table_align': 1395 1396 $prev = in_array($this->tableCalls[$key-1][0], array('tablecell_open', 'tableheader_open')); 1397 $next = in_array($this->tableCalls[$key+1][0], array('tablecell_close', 'tableheader_close')); 1398 // If the cell is empty, align left 1399 if ($prev && $next) { 1400 $this->tableCalls[$key-1][1][1] = 'left'; 1401 1402 // If the previous element was a cell open, align right 1403 } elseif ($prev) { 1404 $this->tableCalls[$key-1][1][1] = 'right'; 1405 1406 // If the next element is the close of an element, align either center or left 1407 } elseif ( $next) { 1408 if ( $this->tableCalls[$cellKey[$lastRow][$lastCell]][1][1] == 'right' ) { 1409 $this->tableCalls[$cellKey[$lastRow][$lastCell]][1][1] = 'center'; 1410 } else { 1411 $this->tableCalls[$cellKey[$lastRow][$lastCell]][1][1] = 'left'; 1412 } 1413 1414 } 1415 1416 // Now convert the whitespace back to cdata 1417 $this->tableCalls[$key][0] = 'cdata'; 1418 break; 1419 1420 case 'colspan': 1421 1422 $this->tableCalls[$key-1][1][0] = false; 1423 1424 for($i = $key-2; $i >= $cellKey[$lastRow][1]; $i--) { 1425 1426 if ( $this->tableCalls[$i][0] == 'tablecell_open' || $this->tableCalls[$i][0] == 'tableheader_open' ) { 1427 1428 if ( false !== $this->tableCalls[$i][1][0] ) { 1429 $this->tableCalls[$i][1][0]++; 1430 break; 1431 } 1432 1433 } 1434 } 1435 1436 $toDelete[] = $key-1; 1437 $toDelete[] = $key; 1438 $toDelete[] = $key+1; 1439 break; 1440 1441 case 'rowspan': 1442 1443 if ( $this->tableCalls[$key-1][0] == 'cdata' ) { 1444 // ignore rowspan if previous call was cdata (text mixed with :::) we don't have to check next call as that wont match regex 1445 $this->tableCalls[$key][0] = 'cdata'; 1446 1447 } else { 1448 1449 $spanning_cell = null; 1450 1451 // can't cross thead/tbody boundary 1452 if (!$this->countTableHeadRows || ($lastRow-1 != $this->countTableHeadRows)) { 1453 for($i = $lastRow-1; $i > 0; $i--) { 1454 1455 if ( $this->tableCalls[$cellKey[$i][$lastCell]][0] == 'tablecell_open' || $this->tableCalls[$cellKey[$i][$lastCell]][0] == 'tableheader_open' ) { 1456 1457 if ($this->tableCalls[$cellKey[$i][$lastCell]][1][2] >= $lastRow - $i) { 1458 $spanning_cell = $i; 1459 break; 1460 } 1461 1462 } 1463 } 1464 } 1465 if (is_null($spanning_cell)) { 1466 // No spanning cell found, so convert this cell to 1467 // an empty one to avoid broken tables 1468 $this->tableCalls[$key][0] = 'cdata'; 1469 $this->tableCalls[$key][1][0] = ''; 1470 continue; 1471 } 1472 $this->tableCalls[$cellKey[$spanning_cell][$lastCell]][1][2]++; 1473 1474 $this->tableCalls[$key-1][1][2] = false; 1475 1476 $toDelete[] = $key-1; 1477 $toDelete[] = $key; 1478 $toDelete[] = $key+1; 1479 } 1480 break; 1481 1482 case 'tablerow_close': 1483 1484 // Fix broken tables by adding missing cells 1485 $moreCalls = array(); 1486 while (++$lastCell < $this->maxCols) { 1487 $moreCalls[] = array('tablecell_open', array(1, null, 1), $call[2]); 1488 $moreCalls[] = array('cdata', array(''), $call[2]); 1489 $moreCalls[] = array('tablecell_close', array(), $call[2]); 1490 } 1491 $moreCallsLength = count($moreCalls); 1492 if($moreCallsLength) { 1493 array_splice($this->tableCalls, $key, 0, $moreCalls); 1494 $key += $moreCallsLength; 1495 } 1496 1497 if($this->countTableHeadRows == $lastRow) { 1498 array_splice($this->tableCalls, $key+1, 0, array( 1499 array('tablethead_close', array(), $call[2]))); 1500 } 1501 break; 1502 1503 } 1504 } 1505 1506 // condense cdata 1507 $cnt = count($this->tableCalls); 1508 for( $key = 0; $key < $cnt; $key++){ 1509 if($this->tableCalls[$key][0] == 'cdata'){ 1510 $ckey = $key; 1511 $key++; 1512 while($this->tableCalls[$key][0] == 'cdata'){ 1513 $this->tableCalls[$ckey][1][0] .= $this->tableCalls[$key][1][0]; 1514 $toDelete[] = $key; 1515 $key++; 1516 } 1517 continue; 1518 } 1519 } 1520 1521 foreach ( $toDelete as $delete ) { 1522 unset($this->tableCalls[$delete]); 1523 } 1524 $this->tableCalls = array_values($this->tableCalls); 1525 } 1526} 1527 1528 1529/** 1530 * Handler for paragraphs 1531 * 1532 * @author Harry Fuecks <hfuecks@gmail.com> 1533 */ 1534class Doku_Handler_Block { 1535 var $calls = array(); 1536 var $skipEol = false; 1537 var $inParagraph = false; 1538 1539 // Blocks these should not be inside paragraphs 1540 var $blockOpen = array( 1541 'header', 1542 'listu_open','listo_open','listitem_open','listcontent_open', 1543 'table_open','tablerow_open','tablecell_open','tableheader_open','tablethead_open', 1544 'quote_open', 1545 'code','file','hr','preformatted','rss', 1546 'htmlblock','phpblock', 1547 'footnote_open', 1548 ); 1549 1550 var $blockClose = array( 1551 'header', 1552 'listu_close','listo_close','listitem_close','listcontent_close', 1553 'table_close','tablerow_close','tablecell_close','tableheader_close','tablethead_close', 1554 'quote_close', 1555 'code','file','hr','preformatted','rss', 1556 'htmlblock','phpblock', 1557 'footnote_close', 1558 ); 1559 1560 // Stacks can contain paragraphs 1561 var $stackOpen = array( 1562 'section_open', 1563 ); 1564 1565 var $stackClose = array( 1566 'section_close', 1567 ); 1568 1569 1570 /** 1571 * Constructor. Adds loaded syntax plugins to the block and stack 1572 * arrays 1573 * 1574 * @author Andreas Gohr <andi@splitbrain.org> 1575 */ 1576 function __construct(){ 1577 global $DOKU_PLUGINS; 1578 //check if syntax plugins were loaded 1579 if(empty($DOKU_PLUGINS['syntax'])) return; 1580 foreach($DOKU_PLUGINS['syntax'] as $n => $p){ 1581 $ptype = $p->getPType(); 1582 if($ptype == 'block'){ 1583 $this->blockOpen[] = 'plugin_'.$n; 1584 $this->blockClose[] = 'plugin_'.$n; 1585 }elseif($ptype == 'stack'){ 1586 $this->stackOpen[] = 'plugin_'.$n; 1587 $this->stackClose[] = 'plugin_'.$n; 1588 } 1589 } 1590 } 1591 1592 function openParagraph($pos){ 1593 if ($this->inParagraph) return; 1594 $this->calls[] = array('p_open',array(), $pos); 1595 $this->inParagraph = true; 1596 $this->skipEol = true; 1597 } 1598 1599 /** 1600 * Close a paragraph if needed 1601 * 1602 * This function makes sure there are no empty paragraphs on the stack 1603 * 1604 * @author Andreas Gohr <andi@splitbrain.org> 1605 * 1606 * @param string|integer $pos 1607 */ 1608 function closeParagraph($pos){ 1609 if (!$this->inParagraph) return; 1610 // look back if there was any content - we don't want empty paragraphs 1611 $content = ''; 1612 $ccount = count($this->calls); 1613 for($i=$ccount-1; $i>=0; $i--){ 1614 if($this->calls[$i][0] == 'p_open'){ 1615 break; 1616 }elseif($this->calls[$i][0] == 'cdata'){ 1617 $content .= $this->calls[$i][1][0]; 1618 }else{ 1619 $content = 'found markup'; 1620 break; 1621 } 1622 } 1623 1624 if(trim($content)==''){ 1625 //remove the whole paragraph 1626 //array_splice($this->calls,$i); // <- this is much slower than the loop below 1627 for($x=$ccount; $x>$i; $x--) array_pop($this->calls); 1628 }else{ 1629 // remove ending linebreaks in the paragraph 1630 $i=count($this->calls)-1; 1631 if ($this->calls[$i][0] == 'cdata') $this->calls[$i][1][0] = rtrim($this->calls[$i][1][0],DOKU_PARSER_EOL); 1632 $this->calls[] = array('p_close',array(), $pos); 1633 } 1634 1635 $this->inParagraph = false; 1636 $this->skipEol = true; 1637 } 1638 1639 function addCall($call) { 1640 $key = count($this->calls); 1641 if ($key and ($call[0] == 'cdata') and ($this->calls[$key-1][0] == 'cdata')) { 1642 $this->calls[$key-1][1][0] .= $call[1][0]; 1643 } else { 1644 $this->calls[] = $call; 1645 } 1646 } 1647 1648 // simple version of addCall, without checking cdata 1649 function storeCall($call) { 1650 $this->calls[] = $call; 1651 } 1652 1653 /** 1654 * Processes the whole instruction stack to open and close paragraphs 1655 * 1656 * @author Harry Fuecks <hfuecks@gmail.com> 1657 * @author Andreas Gohr <andi@splitbrain.org> 1658 * 1659 * @param array $calls 1660 * 1661 * @return array 1662 */ 1663 function process($calls) { 1664 // open first paragraph 1665 $this->openParagraph(0); 1666 foreach ( $calls as $key => $call ) { 1667 $cname = $call[0]; 1668 if ($cname == 'plugin') { 1669 $cname='plugin_'.$call[1][0]; 1670 $plugin = true; 1671 $plugin_open = (($call[1][2] == DOKU_LEXER_ENTER) || ($call[1][2] == DOKU_LEXER_SPECIAL)); 1672 $plugin_close = (($call[1][2] == DOKU_LEXER_EXIT) || ($call[1][2] == DOKU_LEXER_SPECIAL)); 1673 } else { 1674 $plugin = false; 1675 } 1676 /* stack */ 1677 if ( in_array($cname,$this->stackClose ) && (!$plugin || $plugin_close)) { 1678 $this->closeParagraph($call[2]); 1679 $this->storeCall($call); 1680 $this->openParagraph($call[2]); 1681 continue; 1682 } 1683 if ( in_array($cname,$this->stackOpen ) && (!$plugin || $plugin_open) ) { 1684 $this->closeParagraph($call[2]); 1685 $this->storeCall($call); 1686 $this->openParagraph($call[2]); 1687 continue; 1688 } 1689 /* block */ 1690 // If it's a substition it opens and closes at the same call. 1691 // To make sure next paragraph is correctly started, let close go first. 1692 if ( in_array($cname, $this->blockClose) && (!$plugin || $plugin_close)) { 1693 $this->closeParagraph($call[2]); 1694 $this->storeCall($call); 1695 $this->openParagraph($call[2]); 1696 continue; 1697 } 1698 if ( in_array($cname, $this->blockOpen) && (!$plugin || $plugin_open)) { 1699 $this->closeParagraph($call[2]); 1700 $this->storeCall($call); 1701 continue; 1702 } 1703 /* eol */ 1704 if ( $cname == 'eol' ) { 1705 // Check this isn't an eol instruction to skip... 1706 if ( !$this->skipEol ) { 1707 // Next is EOL => double eol => mark as paragraph 1708 if ( isset($calls[$key+1]) && $calls[$key+1][0] == 'eol' ) { 1709 $this->closeParagraph($call[2]); 1710 $this->openParagraph($call[2]); 1711 } else { 1712 //if this is just a single eol make a space from it 1713 $this->addCall(array('cdata',array(DOKU_PARSER_EOL), $call[2])); 1714 } 1715 } 1716 continue; 1717 } 1718 /* normal */ 1719 $this->addCall($call); 1720 $this->skipEol = false; 1721 } 1722 // close last paragraph 1723 $call = end($this->calls); 1724 $this->closeParagraph($call[2]); 1725 return $this->calls; 1726 } 1727} 1728 1729//Setup VIM: ex: et ts=4 : 1730