1<?php 2 3use dokuwiki\ChangeLog\MediaChangeLog; 4 5/** 6 * Renderer for XHTML output 7 * 8 * This is DokuWiki's main renderer used to display page content in the wiki 9 * 10 * @author Harry Fuecks <hfuecks@gmail.com> 11 * @author Andreas Gohr <andi@splitbrain.org> 12 * 13 */ 14class Doku_Renderer_xhtml extends Doku_Renderer { 15 /** @var array store the table of contents */ 16 public $toc = array(); 17 18 /** @var array A stack of section edit data */ 19 protected $sectionedits = array(); 20 21 /** @var string|int link pages and media against this revision */ 22 public $date_at = ''; 23 24 /** @var int last section edit id, used by startSectionEdit */ 25 protected $lastsecid = 0; 26 27 /** @var array a list of footnotes, list starts at 1! */ 28 protected $footnotes = array(); 29 30 /** @var int current section level */ 31 protected $lastlevel = 0; 32 /** @var array section node tracker */ 33 protected $node = array(0, 0, 0, 0, 0); 34 35 /** @var string temporary $doc store */ 36 protected $store = ''; 37 38 /** @var array global counter, for table classes etc. */ 39 protected $_counter = array(); // 40 41 /** @var int counts the code and file blocks, used to provide download links */ 42 protected $_codeblock = 0; 43 44 /** @var array list of allowed URL schemes */ 45 protected $schemes = null; 46 47 /** 48 * Register a new edit section range 49 * 50 * @param int $start The byte position for the edit start 51 * @param array $data Associative array with section data: 52 * Key 'name': the section name/title 53 * Key 'target': the target for the section edit, 54 * e.g. 'section' or 'table' 55 * Key 'hid': header id 56 * Key 'codeblockOffset': actual code block index 57 * Key 'start': set in startSectionEdit(), 58 * do not set yourself 59 * Key 'range': calculated from 'start' and 60 * $key in finishSectionEdit(), 61 * do not set yourself 62 * @return string A marker class for the starting HTML element 63 * 64 * @author Adrian Lang <lang@cosmocode.de> 65 */ 66 public function startSectionEdit($start, $data) { 67 if (!is_array($data)) { 68 msg( 69 sprintf( 70 'startSectionEdit: $data "%s" is NOT an array! One of your plugins needs an update.', 71 hsc((string) $data) 72 ), -1 73 ); 74 75 // @deprecated 2018-04-14, backward compatibility 76 $args = func_get_args(); 77 $data = array(); 78 if(isset($args[1])) $data['target'] = $args[1]; 79 if(isset($args[2])) $data['name'] = $args[2]; 80 if(isset($args[3])) $data['hid'] = $args[3]; 81 } 82 $data['secid'] = ++$this->lastsecid; 83 $data['start'] = $start; 84 $this->sectionedits[] = $data; 85 return 'sectionedit'.$data['secid']; 86 } 87 88 /** 89 * Finish an edit section range 90 * 91 * @param int $end The byte position for the edit end; null for the rest of the page 92 * 93 * @author Adrian Lang <lang@cosmocode.de> 94 */ 95 public function finishSectionEdit($end = null, $hid = null) { 96 $data = array_pop($this->sectionedits); 97 if(!is_null($end) && $end <= $data['start']) { 98 return; 99 } 100 if(!is_null($hid)) { 101 $data['hid'] .= $hid; 102 } 103 $data['range'] = $data['start'].'-'.(is_null($end) ? '' : $end); 104 unset($data['start']); 105 $this->doc .= '<!-- EDIT'.hsc(json_encode ($data)).' -->'; 106 } 107 108 /** 109 * Returns the format produced by this renderer. 110 * 111 * @return string always 'xhtml' 112 */ 113 public function getFormat() { 114 return 'xhtml'; 115 } 116 117 /** 118 * Initialize the document 119 */ 120 public function document_start() { 121 //reset some internals 122 $this->toc = array(); 123 } 124 125 /** 126 * Finalize the document 127 */ 128 public function document_end() { 129 // Finish open section edits. 130 while(count($this->sectionedits) > 0) { 131 if($this->sectionedits[count($this->sectionedits) - 1]['start'] <= 1) { 132 // If there is only one section, do not write a section edit 133 // marker. 134 array_pop($this->sectionedits); 135 } else { 136 $this->finishSectionEdit(); 137 } 138 } 139 140 if(count($this->footnotes) > 0) { 141 $this->doc .= '<div class="footnotes">'.DOKU_LF; 142 143 foreach($this->footnotes as $id => $footnote) { 144 // check its not a placeholder that indicates actual footnote text is elsewhere 145 if(substr($footnote, 0, 5) != "@@FNT") { 146 147 // open the footnote and set the anchor and backlink 148 $this->doc .= '<div class="fn">'; 149 $this->doc .= '<sup><a href="#fnt__'.$id.'" id="fn__'.$id.'" class="fn_bot">'; 150 $this->doc .= $id.')</a></sup> '.DOKU_LF; 151 152 // get any other footnotes that use the same markup 153 $alt = array_keys($this->footnotes, "@@FNT$id"); 154 155 if(count($alt)) { 156 foreach($alt as $ref) { 157 // set anchor and backlink for the other footnotes 158 $this->doc .= ', <sup><a href="#fnt__'.($ref).'" id="fn__'.($ref).'" class="fn_bot">'; 159 $this->doc .= ($ref).')</a></sup> '.DOKU_LF; 160 } 161 } 162 163 // add footnote markup and close this footnote 164 $this->doc .= '<div class="content">'.$footnote.'</div>'; 165 $this->doc .= '</div>'.DOKU_LF; 166 } 167 } 168 $this->doc .= '</div>'.DOKU_LF; 169 } 170 171 // Prepare the TOC 172 global $conf; 173 if( 174 $this->info['toc'] && 175 is_array($this->toc) && 176 $conf['tocminheads'] && count($this->toc) >= $conf['tocminheads'] 177 ) { 178 global $TOC; 179 $TOC = $this->toc; 180 } 181 182 // make sure there are no empty paragraphs 183 $this->doc = preg_replace('#<p>\s*</p>#', '', $this->doc); 184 } 185 186 /** 187 * Add an item to the TOC 188 * 189 * @param string $id the hash link 190 * @param string $text the text to display 191 * @param int $level the nesting level 192 */ 193 public function toc_additem($id, $text, $level) { 194 global $conf; 195 196 //handle TOC 197 if($level >= $conf['toptoclevel'] && $level <= $conf['maxtoclevel']) { 198 $this->toc[] = html_mktocitem($id, $text, $level - $conf['toptoclevel'] + 1); 199 } 200 } 201 202 /** 203 * Render a heading 204 * 205 * @param string $text the text to display 206 * @param int $level header level 207 * @param int $pos byte position in the original source 208 */ 209 public function header($text, $level, $pos) { 210 global $conf; 211 212 if(blank($text)) return; //skip empty headlines 213 214 $hid = $this->_headerToLink($text, true); 215 216 //only add items within configured levels 217 $this->toc_additem($hid, $text, $level); 218 219 // adjust $node to reflect hierarchy of levels 220 $this->node[$level - 1]++; 221 if($level < $this->lastlevel) { 222 for($i = 0; $i < $this->lastlevel - $level; $i++) { 223 $this->node[$this->lastlevel - $i - 1] = 0; 224 } 225 } 226 $this->lastlevel = $level; 227 228 if($level <= $conf['maxseclevel'] && 229 count($this->sectionedits) > 0 && 230 $this->sectionedits[count($this->sectionedits) - 1]['target'] === 'section' 231 ) { 232 $this->finishSectionEdit($pos - 1); 233 } 234 235 // write the header 236 $this->doc .= DOKU_LF.'<h'.$level; 237 if($level <= $conf['maxseclevel']) { 238 $data = array(); 239 $data['target'] = 'section'; 240 $data['name'] = $text; 241 $data['hid'] = $hid; 242 $data['codeblockOffset'] = $this->_codeblock; 243 $this->doc .= ' class="'.$this->startSectionEdit($pos, $data).'"'; 244 } 245 $this->doc .= ' id="'.$hid.'">'; 246 $this->doc .= $this->_xmlEntities($text); 247 $this->doc .= "</h$level>".DOKU_LF; 248 } 249 250 /** 251 * Open a new section 252 * 253 * @param int $level section level (as determined by the previous header) 254 */ 255 public function section_open($level) { 256 $this->doc .= '<div class="level'.$level.'">'.DOKU_LF; 257 } 258 259 /** 260 * Close the current section 261 */ 262 public function section_close() { 263 $this->doc .= DOKU_LF.'</div>'.DOKU_LF; 264 } 265 266 /** 267 * Render plain text data 268 * 269 * @param $text 270 */ 271 public function cdata($text) { 272 $this->doc .= $this->_xmlEntities($text); 273 } 274 275 /** 276 * Open a paragraph 277 */ 278 public function p_open() { 279 $this->doc .= DOKU_LF.'<p>'.DOKU_LF; 280 } 281 282 /** 283 * Close a paragraph 284 */ 285 public function p_close() { 286 $this->doc .= DOKU_LF.'</p>'.DOKU_LF; 287 } 288 289 /** 290 * Create a line break 291 */ 292 public function linebreak() { 293 $this->doc .= '<br/>'.DOKU_LF; 294 } 295 296 /** 297 * Create a horizontal line 298 */ 299 public function hr() { 300 $this->doc .= '<hr />'.DOKU_LF; 301 } 302 303 /** 304 * Start strong (bold) formatting 305 */ 306 public function strong_open() { 307 $this->doc .= '<strong>'; 308 } 309 310 /** 311 * Stop strong (bold) formatting 312 */ 313 public function strong_close() { 314 $this->doc .= '</strong>'; 315 } 316 317 /** 318 * Start emphasis (italics) formatting 319 */ 320 public function emphasis_open() { 321 $this->doc .= '<em>'; 322 } 323 324 /** 325 * Stop emphasis (italics) formatting 326 */ 327 public function emphasis_close() { 328 $this->doc .= '</em>'; 329 } 330 331 /** 332 * Start underline formatting 333 */ 334 public function underline_open() { 335 $this->doc .= '<em class="u">'; 336 } 337 338 /** 339 * Stop underline formatting 340 */ 341 public function underline_close() { 342 $this->doc .= '</em>'; 343 } 344 345 /** 346 * Start monospace formatting 347 */ 348 public function monospace_open() { 349 $this->doc .= '<code>'; 350 } 351 352 /** 353 * Stop monospace formatting 354 */ 355 public function monospace_close() { 356 $this->doc .= '</code>'; 357 } 358 359 /** 360 * Start a subscript 361 */ 362 public function subscript_open() { 363 $this->doc .= '<sub>'; 364 } 365 366 /** 367 * Stop a subscript 368 */ 369 public function subscript_close() { 370 $this->doc .= '</sub>'; 371 } 372 373 /** 374 * Start a superscript 375 */ 376 public function superscript_open() { 377 $this->doc .= '<sup>'; 378 } 379 380 /** 381 * Stop a superscript 382 */ 383 public function superscript_close() { 384 $this->doc .= '</sup>'; 385 } 386 387 /** 388 * Start deleted (strike-through) formatting 389 */ 390 public function deleted_open() { 391 $this->doc .= '<del>'; 392 } 393 394 /** 395 * Stop deleted (strike-through) formatting 396 */ 397 public function deleted_close() { 398 $this->doc .= '</del>'; 399 } 400 401 /** 402 * Callback for footnote start syntax 403 * 404 * All following content will go to the footnote instead of 405 * the document. To achieve this the previous rendered content 406 * is moved to $store and $doc is cleared 407 * 408 * @author Andreas Gohr <andi@splitbrain.org> 409 */ 410 public function footnote_open() { 411 412 // move current content to store and record footnote 413 $this->store = $this->doc; 414 $this->doc = ''; 415 } 416 417 /** 418 * Callback for footnote end syntax 419 * 420 * All rendered content is moved to the $footnotes array and the old 421 * content is restored from $store again 422 * 423 * @author Andreas Gohr 424 */ 425 public function footnote_close() { 426 /** @var $fnid int takes track of seen footnotes, assures they are unique even across multiple docs FS#2841 */ 427 static $fnid = 0; 428 // assign new footnote id (we start at 1) 429 $fnid++; 430 431 // recover footnote into the stack and restore old content 432 $footnote = $this->doc; 433 $this->doc = $this->store; 434 $this->store = ''; 435 436 // check to see if this footnote has been seen before 437 $i = array_search($footnote, $this->footnotes); 438 439 if($i === false) { 440 // its a new footnote, add it to the $footnotes array 441 $this->footnotes[$fnid] = $footnote; 442 } else { 443 // seen this one before, save a placeholder 444 $this->footnotes[$fnid] = "@@FNT".($i); 445 } 446 447 // output the footnote reference and link 448 $this->doc .= '<sup><a href="#fn__'.$fnid.'" id="fnt__'.$fnid.'" class="fn_top">'.$fnid.')</a></sup>'; 449 } 450 451 /** 452 * Open an unordered list 453 * 454 * @param string|string[] $classes css classes - have to be valid, do not pass unfiltered user input 455 */ 456 public function listu_open($classes = null) { 457 $class = ''; 458 if($classes !== null) { 459 if(is_array($classes)) $classes = join(' ', $classes); 460 $class = " class=\"$classes\""; 461 } 462 $this->doc .= "<ul$class>".DOKU_LF; 463 } 464 465 /** 466 * Close an unordered list 467 */ 468 public function listu_close() { 469 $this->doc .= '</ul>'.DOKU_LF; 470 } 471 472 /** 473 * Open an ordered list 474 * 475 * @param string|string[] $classes css classes - have to be valid, do not pass unfiltered user input 476 */ 477 public function listo_open($classes = null) { 478 $class = ''; 479 if($classes !== null) { 480 if(is_array($classes)) $classes = join(' ', $classes); 481 $class = " class=\"$classes\""; 482 } 483 $this->doc .= "<ol$class>".DOKU_LF; 484 } 485 486 /** 487 * Close an ordered list 488 */ 489 public function listo_close() { 490 $this->doc .= '</ol>'.DOKU_LF; 491 } 492 493 /** 494 * Open a list item 495 * 496 * @param int $level the nesting level 497 * @param bool $node true when a node; false when a leaf 498 */ 499 public function listitem_open($level, $node=false) { 500 $branching = $node ? ' node' : ''; 501 $this->doc .= '<li class="level'.$level.$branching.'">'; 502 } 503 504 /** 505 * Close a list item 506 */ 507 public function listitem_close() { 508 $this->doc .= '</li>'.DOKU_LF; 509 } 510 511 /** 512 * Start the content of a list item 513 */ 514 public function listcontent_open() { 515 $this->doc .= '<div class="li">'; 516 } 517 518 /** 519 * Stop the content of a list item 520 */ 521 public function listcontent_close() { 522 $this->doc .= '</div>'.DOKU_LF; 523 } 524 525 /** 526 * Output unformatted $text 527 * 528 * Defaults to $this->cdata() 529 * 530 * @param string $text 531 */ 532 public function unformatted($text) { 533 $this->doc .= $this->_xmlEntities($text); 534 } 535 536 /** 537 * Execute PHP code if allowed 538 * 539 * @param string $text PHP code that is either executed or printed 540 * @param string $wrapper html element to wrap result if $conf['phpok'] is okff 541 * 542 * @author Andreas Gohr <andi@splitbrain.org> 543 */ 544 public function php($text, $wrapper = 'code') { 545 global $conf; 546 547 if($conf['phpok']) { 548 ob_start(); 549 eval($text); 550 $this->doc .= ob_get_contents(); 551 ob_end_clean(); 552 } else { 553 $this->doc .= p_xhtml_cached_geshi($text, 'php', $wrapper); 554 } 555 } 556 557 /** 558 * Output block level PHP code 559 * 560 * If $conf['phpok'] is true this should evaluate the given code and append the result 561 * to $doc 562 * 563 * @param string $text The PHP code 564 */ 565 public function phpblock($text) { 566 $this->php($text, 'pre'); 567 } 568 569 /** 570 * Insert HTML if allowed 571 * 572 * @param string $text html text 573 * @param string $wrapper html element to wrap result if $conf['htmlok'] is okff 574 * 575 * @author Andreas Gohr <andi@splitbrain.org> 576 */ 577 public function html($text, $wrapper = 'code') { 578 global $conf; 579 580 if($conf['htmlok']) { 581 $this->doc .= $text; 582 } else { 583 $this->doc .= p_xhtml_cached_geshi($text, 'html4strict', $wrapper); 584 } 585 } 586 587 /** 588 * Output raw block-level HTML 589 * 590 * If $conf['htmlok'] is true this should add the code as is to $doc 591 * 592 * @param string $text The HTML 593 */ 594 public function htmlblock($text) { 595 $this->html($text, 'pre'); 596 } 597 598 /** 599 * Start a block quote 600 */ 601 public function quote_open() { 602 $this->doc .= '<blockquote><div class="no">'.DOKU_LF; 603 } 604 605 /** 606 * Stop a block quote 607 */ 608 public function quote_close() { 609 $this->doc .= '</div></blockquote>'.DOKU_LF; 610 } 611 612 /** 613 * Output preformatted text 614 * 615 * @param string $text 616 */ 617 public function preformatted($text) { 618 $this->doc .= '<pre class="code">'.trim($this->_xmlEntities($text), "\n\r").'</pre>'.DOKU_LF; 619 } 620 621 /** 622 * Display text as file content, optionally syntax highlighted 623 * 624 * @param string $text text to show 625 * @param string $language programming language to use for syntax highlighting 626 * @param string $filename file path label 627 * @param array $options assoziative array with additional geshi options 628 */ 629 public function file($text, $language = null, $filename = null, $options=null) { 630 $this->_highlight('file', $text, $language, $filename, $options); 631 } 632 633 /** 634 * Display text as code content, optionally syntax highlighted 635 * 636 * @param string $text text to show 637 * @param string $language programming language to use for syntax highlighting 638 * @param string $filename file path label 639 * @param array $options assoziative array with additional geshi options 640 */ 641 public function code($text, $language = null, $filename = null, $options=null) { 642 $this->_highlight('code', $text, $language, $filename, $options); 643 } 644 645 /** 646 * Use GeSHi to highlight language syntax in code and file blocks 647 * 648 * @author Andreas Gohr <andi@splitbrain.org> 649 * @param string $type code|file 650 * @param string $text text to show 651 * @param string $language programming language to use for syntax highlighting 652 * @param string $filename file path label 653 * @param array $options assoziative array with additional geshi options 654 */ 655 public function _highlight($type, $text, $language = null, $filename = null, $options = null) { 656 global $ID; 657 global $lang; 658 global $INPUT; 659 660 $language = preg_replace(PREG_PATTERN_VALID_LANGUAGE, '', $language); 661 662 if($filename) { 663 // add icon 664 list($ext) = mimetype($filename, false); 665 $class = preg_replace('/[^_\-a-z0-9]+/i', '_', $ext); 666 $class = 'mediafile mf_'.$class; 667 668 $offset = 0; 669 if ($INPUT->has('codeblockOffset')) { 670 $offset = $INPUT->str('codeblockOffset'); 671 } 672 $this->doc .= '<dl class="'.$type.'">'.DOKU_LF; 673 $this->doc .= '<dt><a href="' . 674 exportlink( 675 $ID, 676 'code', 677 array('codeblock' => $offset + $this->_codeblock) 678 ) . '" title="' . $lang['download'] . '" class="' . $class . '">'; 679 $this->doc .= hsc($filename); 680 $this->doc .= '</a></dt>'.DOKU_LF.'<dd>'; 681 } 682 683 if($text{0} == "\n") { 684 $text = substr($text, 1); 685 } 686 if(substr($text, -1) == "\n") { 687 $text = substr($text, 0, -1); 688 } 689 690 if(empty($language)) { // empty is faster than is_null and can prevent '' string 691 $this->doc .= '<pre class="'.$type.'">'.$this->_xmlEntities($text).'</pre>'.DOKU_LF; 692 } else { 693 $class = 'code'; //we always need the code class to make the syntax highlighting apply 694 if($type != 'code') $class .= ' '.$type; 695 696 $this->doc .= "<pre class=\"$class $language\">" . 697 p_xhtml_cached_geshi($text, $language, '', $options) . 698 '</pre>' . DOKU_LF; 699 } 700 701 if($filename) { 702 $this->doc .= '</dd></dl>'.DOKU_LF; 703 } 704 705 $this->_codeblock++; 706 } 707 708 /** 709 * Format an acronym 710 * 711 * Uses $this->acronyms 712 * 713 * @param string $acronym 714 */ 715 public function acronym($acronym) { 716 717 if(array_key_exists($acronym, $this->acronyms)) { 718 719 $title = $this->_xmlEntities($this->acronyms[$acronym]); 720 721 $this->doc .= '<abbr title="'.$title 722 .'">'.$this->_xmlEntities($acronym).'</abbr>'; 723 724 } else { 725 $this->doc .= $this->_xmlEntities($acronym); 726 } 727 } 728 729 /** 730 * Format a smiley 731 * 732 * Uses $this->smiley 733 * 734 * @param string $smiley 735 */ 736 public function smiley($smiley) { 737 if(array_key_exists($smiley, $this->smileys)) { 738 $this->doc .= '<img src="'.DOKU_BASE.'lib/images/smileys/'.$this->smileys[$smiley]. 739 '" class="icon" alt="'. 740 $this->_xmlEntities($smiley).'" />'; 741 } else { 742 $this->doc .= $this->_xmlEntities($smiley); 743 } 744 } 745 746 /** 747 * Format an entity 748 * 749 * Entities are basically small text replacements 750 * 751 * Uses $this->entities 752 * 753 * @param string $entity 754 */ 755 public function entity($entity) { 756 if(array_key_exists($entity, $this->entities)) { 757 $this->doc .= $this->entities[$entity]; 758 } else { 759 $this->doc .= $this->_xmlEntities($entity); 760 } 761 } 762 763 /** 764 * Typographically format a multiply sign 765 * 766 * Example: ($x=640, $y=480) should result in "640×480" 767 * 768 * @param string|int $x first value 769 * @param string|int $y second value 770 */ 771 public function multiplyentity($x, $y) { 772 $this->doc .= "$x×$y"; 773 } 774 775 /** 776 * Render an opening single quote char (language specific) 777 */ 778 public function singlequoteopening() { 779 global $lang; 780 $this->doc .= $lang['singlequoteopening']; 781 } 782 783 /** 784 * Render a closing single quote char (language specific) 785 */ 786 public function singlequoteclosing() { 787 global $lang; 788 $this->doc .= $lang['singlequoteclosing']; 789 } 790 791 /** 792 * Render an apostrophe char (language specific) 793 */ 794 public function apostrophe() { 795 global $lang; 796 $this->doc .= $lang['apostrophe']; 797 } 798 799 /** 800 * Render an opening double quote char (language specific) 801 */ 802 public function doublequoteopening() { 803 global $lang; 804 $this->doc .= $lang['doublequoteopening']; 805 } 806 807 /** 808 * Render an closinging double quote char (language specific) 809 */ 810 public function doublequoteclosing() { 811 global $lang; 812 $this->doc .= $lang['doublequoteclosing']; 813 } 814 815 /** 816 * Render a CamelCase link 817 * 818 * @param string $link The link name 819 * @param bool $returnonly whether to return html or write to doc attribute 820 * @return void|string writes to doc attribute or returns html depends on $returnonly 821 * 822 * @see http://en.wikipedia.org/wiki/CamelCase 823 */ 824 public function camelcaselink($link, $returnonly = false) { 825 if($returnonly) { 826 return $this->internallink($link, $link, null, true); 827 } else { 828 $this->internallink($link, $link); 829 } 830 } 831 832 /** 833 * Render a page local link 834 * 835 * @param string $hash hash link identifier 836 * @param string $name name for the link 837 * @param bool $returnonly whether to return html or write to doc attribute 838 * @return void|string writes to doc attribute or returns html depends on $returnonly 839 */ 840 public function locallink($hash, $name = null, $returnonly = false) { 841 global $ID; 842 $name = $this->_getLinkTitle($name, $hash, $isImage); 843 $hash = $this->_headerToLink($hash); 844 $title = $ID.' ↵'; 845 846 $doc = '<a href="#'.$hash.'" title="'.$title.'" class="wikilink1">'; 847 $doc .= $name; 848 $doc .= '</a>'; 849 850 if($returnonly) { 851 return $doc; 852 } else { 853 $this->doc .= $doc; 854 } 855 } 856 857 /** 858 * Render an internal Wiki Link 859 * 860 * $search,$returnonly & $linktype are not for the renderer but are used 861 * elsewhere - no need to implement them in other renderers 862 * 863 * @author Andreas Gohr <andi@splitbrain.org> 864 * @param string $id pageid 865 * @param string|null $name link name 866 * @param string|null $search adds search url param 867 * @param bool $returnonly whether to return html or write to doc attribute 868 * @param string $linktype type to set use of headings 869 * @return void|string writes to doc attribute or returns html depends on $returnonly 870 */ 871 public function internallink($id, $name = null, $search = null, $returnonly = false, $linktype = 'content') { 872 global $conf; 873 global $ID; 874 global $INFO; 875 876 $params = ''; 877 $parts = explode('?', $id, 2); 878 if(count($parts) === 2) { 879 $id = $parts[0]; 880 $params = $parts[1]; 881 } 882 883 // For empty $id we need to know the current $ID 884 // We need this check because _simpleTitle needs 885 // correct $id and resolve_pageid() use cleanID($id) 886 // (some things could be lost) 887 if($id === '') { 888 $id = $ID; 889 } 890 891 // default name is based on $id as given 892 $default = $this->_simpleTitle($id); 893 894 // now first resolve and clean up the $id 895 resolve_pageid(getNS($ID), $id, $exists, $this->date_at, true); 896 897 $link = array(); 898 $name = $this->_getLinkTitle($name, $default, $isImage, $id, $linktype); 899 if(!$isImage) { 900 if($exists) { 901 $class = 'wikilink1'; 902 } else { 903 $class = 'wikilink2'; 904 $link['rel'] = 'nofollow'; 905 } 906 } else { 907 $class = 'media'; 908 } 909 910 //keep hash anchor 911 @list($id, $hash) = explode('#', $id, 2); 912 if(!empty($hash)) $hash = $this->_headerToLink($hash); 913 914 //prepare for formating 915 $link['target'] = $conf['target']['wiki']; 916 $link['style'] = ''; 917 $link['pre'] = ''; 918 $link['suf'] = ''; 919 // highlight link to current page 920 if($id == $INFO['id']) { 921 $link['pre'] = '<span class="curid">'; 922 $link['suf'] = '</span>'; 923 } 924 $link['more'] = ''; 925 $link['class'] = $class; 926 if($this->date_at) { 927 $params = $params.'&at='.rawurlencode($this->date_at); 928 } 929 $link['url'] = wl($id, $params); 930 $link['name'] = $name; 931 $link['title'] = $id; 932 //add search string 933 if($search) { 934 ($conf['userewrite']) ? $link['url'] .= '?' : $link['url'] .= '&'; 935 if(is_array($search)) { 936 $search = array_map('rawurlencode', $search); 937 $link['url'] .= 's[]='.join('&s[]=', $search); 938 } else { 939 $link['url'] .= 's='.rawurlencode($search); 940 } 941 } 942 943 //keep hash 944 if($hash) $link['url'] .= '#'.$hash; 945 946 //output formatted 947 if($returnonly) { 948 return $this->_formatLink($link); 949 } else { 950 $this->doc .= $this->_formatLink($link); 951 } 952 } 953 954 /** 955 * Render an external link 956 * 957 * @param string $url full URL with scheme 958 * @param string|array $name name for the link, array for media file 959 * @param bool $returnonly whether to return html or write to doc attribute 960 * @return void|string writes to doc attribute or returns html depends on $returnonly 961 */ 962 public function externallink($url, $name = null, $returnonly = false) { 963 global $conf; 964 965 $name = $this->_getLinkTitle($name, $url, $isImage); 966 967 // url might be an attack vector, only allow registered protocols 968 if(is_null($this->schemes)) $this->schemes = getSchemes(); 969 list($scheme) = explode('://', $url); 970 $scheme = strtolower($scheme); 971 if(!in_array($scheme, $this->schemes)) $url = ''; 972 973 // is there still an URL? 974 if(!$url) { 975 if($returnonly) { 976 return $name; 977 } else { 978 $this->doc .= $name; 979 } 980 return; 981 } 982 983 // set class 984 if(!$isImage) { 985 $class = 'urlextern'; 986 } else { 987 $class = 'media'; 988 } 989 990 //prepare for formating 991 $link = array(); 992 $link['target'] = $conf['target']['extern']; 993 $link['style'] = ''; 994 $link['pre'] = ''; 995 $link['suf'] = ''; 996 $link['more'] = ''; 997 $link['class'] = $class; 998 $link['url'] = $url; 999 $link['rel'] = ''; 1000 1001 $link['name'] = $name; 1002 $link['title'] = $this->_xmlEntities($url); 1003 if($conf['relnofollow']) $link['rel'] .= ' nofollow'; 1004 if($conf['target']['extern']) $link['rel'] .= ' noopener'; 1005 1006 //output formatted 1007 if($returnonly) { 1008 return $this->_formatLink($link); 1009 } else { 1010 $this->doc .= $this->_formatLink($link); 1011 } 1012 } 1013 1014 /** 1015 * Render an interwiki link 1016 * 1017 * You may want to use $this->_resolveInterWiki() here 1018 * 1019 * @param string $match original link - probably not much use 1020 * @param string|array $name name for the link, array for media file 1021 * @param string $wikiName indentifier (shortcut) for the remote wiki 1022 * @param string $wikiUri the fragment parsed from the original link 1023 * @param bool $returnonly whether to return html or write to doc attribute 1024 * @return void|string writes to doc attribute or returns html depends on $returnonly 1025 */ 1026 public function interwikilink($match, $name, $wikiName, $wikiUri, $returnonly = false) { 1027 global $conf; 1028 1029 $link = array(); 1030 $link['target'] = $conf['target']['interwiki']; 1031 $link['pre'] = ''; 1032 $link['suf'] = ''; 1033 $link['more'] = ''; 1034 $link['name'] = $this->_getLinkTitle($name, $wikiUri, $isImage); 1035 $link['rel'] = ''; 1036 1037 //get interwiki URL 1038 $exists = null; 1039 $url = $this->_resolveInterWiki($wikiName, $wikiUri, $exists); 1040 1041 if(!$isImage) { 1042 $class = preg_replace('/[^_\-a-z0-9]+/i', '_', $wikiName); 1043 $link['class'] = "interwiki iw_$class"; 1044 } else { 1045 $link['class'] = 'media'; 1046 } 1047 1048 //do we stay at the same server? Use local target 1049 if(strpos($url, DOKU_URL) === 0 OR strpos($url, DOKU_BASE) === 0) { 1050 $link['target'] = $conf['target']['wiki']; 1051 } 1052 if($exists !== null && !$isImage) { 1053 if($exists) { 1054 $link['class'] .= ' wikilink1'; 1055 } else { 1056 $link['class'] .= ' wikilink2'; 1057 $link['rel'] .= ' nofollow'; 1058 } 1059 } 1060 if($conf['target']['interwiki']) $link['rel'] .= ' noopener'; 1061 1062 $link['url'] = $url; 1063 $link['title'] = htmlspecialchars($link['url']); 1064 1065 //output formatted 1066 if($returnonly) { 1067 return $this->_formatLink($link); 1068 } else { 1069 $this->doc .= $this->_formatLink($link); 1070 } 1071 } 1072 1073 /** 1074 * Link to windows share 1075 * 1076 * @param string $url the link 1077 * @param string|array $name name for the link, array for media file 1078 * @param bool $returnonly whether to return html or write to doc attribute 1079 * @return void|string writes to doc attribute or returns html depends on $returnonly 1080 */ 1081 public function windowssharelink($url, $name = null, $returnonly = false) { 1082 global $conf; 1083 1084 //simple setup 1085 $link = array(); 1086 $link['target'] = $conf['target']['windows']; 1087 $link['pre'] = ''; 1088 $link['suf'] = ''; 1089 $link['style'] = ''; 1090 1091 $link['name'] = $this->_getLinkTitle($name, $url, $isImage); 1092 if(!$isImage) { 1093 $link['class'] = 'windows'; 1094 } else { 1095 $link['class'] = 'media'; 1096 } 1097 1098 $link['title'] = $this->_xmlEntities($url); 1099 $url = str_replace('\\', '/', $url); 1100 $url = 'file:///'.$url; 1101 $link['url'] = $url; 1102 1103 //output formatted 1104 if($returnonly) { 1105 return $this->_formatLink($link); 1106 } else { 1107 $this->doc .= $this->_formatLink($link); 1108 } 1109 } 1110 1111 /** 1112 * Render a linked E-Mail Address 1113 * 1114 * Honors $conf['mailguard'] setting 1115 * 1116 * @param string $address Email-Address 1117 * @param string|array $name name for the link, array for media file 1118 * @param bool $returnonly whether to return html or write to doc attribute 1119 * @return void|string writes to doc attribute or returns html depends on $returnonly 1120 */ 1121 public function emaillink($address, $name = null, $returnonly = false) { 1122 global $conf; 1123 //simple setup 1124 $link = array(); 1125 $link['target'] = ''; 1126 $link['pre'] = ''; 1127 $link['suf'] = ''; 1128 $link['style'] = ''; 1129 $link['more'] = ''; 1130 1131 $name = $this->_getLinkTitle($name, '', $isImage); 1132 if(!$isImage) { 1133 $link['class'] = 'mail'; 1134 } else { 1135 $link['class'] = 'media'; 1136 } 1137 1138 $address = $this->_xmlEntities($address); 1139 $address = obfuscate($address); 1140 $title = $address; 1141 1142 if(empty($name)) { 1143 $name = $address; 1144 } 1145 1146 if($conf['mailguard'] == 'visible') $address = rawurlencode($address); 1147 1148 $link['url'] = 'mailto:'.$address; 1149 $link['name'] = $name; 1150 $link['title'] = $title; 1151 1152 //output formatted 1153 if($returnonly) { 1154 return $this->_formatLink($link); 1155 } else { 1156 $this->doc .= $this->_formatLink($link); 1157 } 1158 } 1159 1160 /** 1161 * Render an internal media file 1162 * 1163 * @param string $src media ID 1164 * @param string $title descriptive text 1165 * @param string $align left|center|right 1166 * @param int $width width of media in pixel 1167 * @param int $height height of media in pixel 1168 * @param string $cache cache|recache|nocache 1169 * @param string $linking linkonly|detail|nolink 1170 * @param bool $return return HTML instead of adding to $doc 1171 * @return void|string writes to doc attribute or returns html depends on $return 1172 */ 1173 public function internalmedia($src, $title = null, $align = null, $width = null, 1174 $height = null, $cache = null, $linking = null, $return = false) { 1175 global $ID; 1176 if (strpos($src, '#') !== false) { 1177 list($src, $hash) = explode('#', $src, 2); 1178 } 1179 resolve_mediaid(getNS($ID), $src, $exists, $this->date_at, true); 1180 1181 $noLink = false; 1182 $render = ($linking == 'linkonly') ? false : true; 1183 $link = $this->_getMediaLinkConf($src, $title, $align, $width, $height, $cache, $render); 1184 1185 list($ext, $mime) = mimetype($src, false); 1186 if(substr($mime, 0, 5) == 'image' && $render) { 1187 $link['url'] = ml( 1188 $src, 1189 array( 1190 'id' => $ID, 1191 'cache' => $cache, 1192 'rev' => $this->_getLastMediaRevisionAt($src) 1193 ), 1194 ($linking == 'direct') 1195 ); 1196 } elseif(($mime == 'application/x-shockwave-flash' || media_supportedav($mime)) && $render) { 1197 // don't link movies 1198 $noLink = true; 1199 } else { 1200 // add file icons 1201 $class = preg_replace('/[^_\-a-z0-9]+/i', '_', $ext); 1202 $link['class'] .= ' mediafile mf_'.$class; 1203 $link['url'] = ml( 1204 $src, 1205 array( 1206 'id' => $ID, 1207 'cache' => $cache, 1208 'rev' => $this->_getLastMediaRevisionAt($src) 1209 ), 1210 true 1211 ); 1212 if($exists) $link['title'] .= ' ('.filesize_h(filesize(mediaFN($src))).')'; 1213 } 1214 1215 if (!empty($hash)) $link['url'] .= '#'.$hash; 1216 1217 //markup non existing files 1218 if(!$exists) { 1219 $link['class'] .= ' wikilink2'; 1220 } 1221 1222 //output formatted 1223 if($return) { 1224 if($linking == 'nolink' || $noLink) return $link['name']; 1225 else return $this->_formatLink($link); 1226 } else { 1227 if($linking == 'nolink' || $noLink) $this->doc .= $link['name']; 1228 else $this->doc .= $this->_formatLink($link); 1229 } 1230 } 1231 1232 /** 1233 * Render an external media file 1234 * 1235 * @param string $src full media URL 1236 * @param string $title descriptive text 1237 * @param string $align left|center|right 1238 * @param int $width width of media in pixel 1239 * @param int $height height of media in pixel 1240 * @param string $cache cache|recache|nocache 1241 * @param string $linking linkonly|detail|nolink 1242 * @param bool $return return HTML instead of adding to $doc 1243 * @return void|string writes to doc attribute or returns html depends on $return 1244 */ 1245 public function externalmedia($src, $title = null, $align = null, $width = null, 1246 $height = null, $cache = null, $linking = null, $return = false) { 1247 if(link_isinterwiki($src)){ 1248 list($shortcut, $reference) = explode('>', $src, 2); 1249 $exists = null; 1250 $src = $this->_resolveInterWiki($shortcut, $reference, $exists); 1251 } 1252 list($src, $hash) = explode('#', $src, 2); 1253 $noLink = false; 1254 $render = ($linking == 'linkonly') ? false : true; 1255 $link = $this->_getMediaLinkConf($src, $title, $align, $width, $height, $cache, $render); 1256 1257 $link['url'] = ml($src, array('cache' => $cache)); 1258 1259 list($ext, $mime) = mimetype($src, false); 1260 if(substr($mime, 0, 5) == 'image' && $render) { 1261 // link only jpeg images 1262 // if ($ext != 'jpg' && $ext != 'jpeg') $noLink = true; 1263 } elseif(($mime == 'application/x-shockwave-flash' || media_supportedav($mime)) && $render) { 1264 // don't link movies 1265 $noLink = true; 1266 } else { 1267 // add file icons 1268 $class = preg_replace('/[^_\-a-z0-9]+/i', '_', $ext); 1269 $link['class'] .= ' mediafile mf_'.$class; 1270 } 1271 1272 if($hash) $link['url'] .= '#'.$hash; 1273 1274 //output formatted 1275 if($return) { 1276 if($linking == 'nolink' || $noLink) return $link['name']; 1277 else return $this->_formatLink($link); 1278 } else { 1279 if($linking == 'nolink' || $noLink) $this->doc .= $link['name']; 1280 else $this->doc .= $this->_formatLink($link); 1281 } 1282 } 1283 1284 /** 1285 * Renders an RSS feed 1286 * 1287 * @param string $url URL of the feed 1288 * @param array $params Finetuning of the output 1289 * 1290 * @author Andreas Gohr <andi@splitbrain.org> 1291 */ 1292 public function rss($url, $params) { 1293 global $lang; 1294 global $conf; 1295 1296 require_once(DOKU_INC.'inc/FeedParser.php'); 1297 $feed = new FeedParser(); 1298 $feed->set_feed_url($url); 1299 1300 //disable warning while fetching 1301 if(!defined('DOKU_E_LEVEL')) { 1302 $elvl = error_reporting(E_ERROR); 1303 } 1304 $rc = $feed->init(); 1305 if(isset($elvl)) { 1306 error_reporting($elvl); 1307 } 1308 1309 if($params['nosort']) $feed->enable_order_by_date(false); 1310 1311 //decide on start and end 1312 if($params['reverse']) { 1313 $mod = -1; 1314 $start = $feed->get_item_quantity() - 1; 1315 $end = $start - ($params['max']); 1316 $end = ($end < -1) ? -1 : $end; 1317 } else { 1318 $mod = 1; 1319 $start = 0; 1320 $end = $feed->get_item_quantity(); 1321 $end = ($end > $params['max']) ? $params['max'] : $end; 1322 } 1323 1324 $this->doc .= '<ul class="rss">'; 1325 if($rc) { 1326 for($x = $start; $x != $end; $x += $mod) { 1327 $item = $feed->get_item($x); 1328 $this->doc .= '<li><div class="li">'; 1329 // support feeds without links 1330 $lnkurl = $item->get_permalink(); 1331 if($lnkurl) { 1332 // title is escaped by SimplePie, we unescape here because it 1333 // is escaped again in externallink() FS#1705 1334 $this->externallink( 1335 $item->get_permalink(), 1336 html_entity_decode($item->get_title(), ENT_QUOTES, 'UTF-8') 1337 ); 1338 } else { 1339 $this->doc .= ' '.$item->get_title(); 1340 } 1341 if($params['author']) { 1342 $author = $item->get_author(0); 1343 if($author) { 1344 $name = $author->get_name(); 1345 if(!$name) $name = $author->get_email(); 1346 if($name) $this->doc .= ' '.$lang['by'].' '.hsc($name); 1347 } 1348 } 1349 if($params['date']) { 1350 $this->doc .= ' ('.$item->get_local_date($conf['dformat']).')'; 1351 } 1352 if($params['details']) { 1353 $this->doc .= '<div class="detail">'; 1354 if($conf['htmlok']) { 1355 $this->doc .= $item->get_description(); 1356 } else { 1357 $this->doc .= strip_tags($item->get_description()); 1358 } 1359 $this->doc .= '</div>'; 1360 } 1361 1362 $this->doc .= '</div></li>'; 1363 } 1364 } else { 1365 $this->doc .= '<li><div class="li">'; 1366 $this->doc .= '<em>'.$lang['rssfailed'].'</em>'; 1367 $this->externallink($url); 1368 if($conf['allowdebug']) { 1369 $this->doc .= '<!--'.hsc($feed->error).'-->'; 1370 } 1371 $this->doc .= '</div></li>'; 1372 } 1373 $this->doc .= '</ul>'; 1374 } 1375 1376 /** 1377 * Start a table 1378 * 1379 * @param int $maxcols maximum number of columns 1380 * @param int $numrows NOT IMPLEMENTED 1381 * @param int $pos byte position in the original source 1382 * @param string|string[] $classes css classes - have to be valid, do not pass unfiltered user input 1383 */ 1384 public function table_open($maxcols = null, $numrows = null, $pos = null, $classes = null) { 1385 // initialize the row counter used for classes 1386 $this->_counter['row_counter'] = 0; 1387 $class = 'table'; 1388 if($classes !== null) { 1389 if(is_array($classes)) $classes = join(' ', $classes); 1390 $class .= ' ' . $classes; 1391 } 1392 if($pos !== null) { 1393 $hid = $this->_headerToLink($class, true); 1394 $data = array(); 1395 $data['target'] = 'table'; 1396 $data['name'] = ''; 1397 $data['hid'] = $hid; 1398 $class .= ' '.$this->startSectionEdit($pos, $data); 1399 } 1400 $this->doc .= '<div class="'.$class.'"><table class="inline">'. 1401 DOKU_LF; 1402 } 1403 1404 /** 1405 * Close a table 1406 * 1407 * @param int $pos byte position in the original source 1408 */ 1409 public function table_close($pos = null) { 1410 $this->doc .= '</table></div>'.DOKU_LF; 1411 if($pos !== null) { 1412 $this->finishSectionEdit($pos); 1413 } 1414 } 1415 1416 /** 1417 * Open a table header 1418 */ 1419 public function tablethead_open() { 1420 $this->doc .= DOKU_TAB.'<thead>'.DOKU_LF; 1421 } 1422 1423 /** 1424 * Close a table header 1425 */ 1426 public function tablethead_close() { 1427 $this->doc .= DOKU_TAB.'</thead>'.DOKU_LF; 1428 } 1429 1430 /** 1431 * Open a table body 1432 */ 1433 public function tabletbody_open() { 1434 $this->doc .= DOKU_TAB.'<tbody>'.DOKU_LF; 1435 } 1436 1437 /** 1438 * Close a table body 1439 */ 1440 public function tabletbody_close() { 1441 $this->doc .= DOKU_TAB.'</tbody>'.DOKU_LF; 1442 } 1443 1444 /** 1445 * Open a table footer 1446 */ 1447 public function tabletfoot_open() { 1448 $this->doc .= DOKU_TAB.'<tfoot>'.DOKU_LF; 1449 } 1450 1451 /** 1452 * Close a table footer 1453 */ 1454 public function tabletfoot_close() { 1455 $this->doc .= DOKU_TAB.'</tfoot>'.DOKU_LF; 1456 } 1457 1458 /** 1459 * Open a table row 1460 * 1461 * @param string|string[] $classes css classes - have to be valid, do not pass unfiltered user input 1462 */ 1463 public function tablerow_open($classes = null) { 1464 // initialize the cell counter used for classes 1465 $this->_counter['cell_counter'] = 0; 1466 $class = 'row'.$this->_counter['row_counter']++; 1467 if($classes !== null) { 1468 if(is_array($classes)) $classes = join(' ', $classes); 1469 $class .= ' ' . $classes; 1470 } 1471 $this->doc .= DOKU_TAB.'<tr class="'.$class.'">'.DOKU_LF.DOKU_TAB.DOKU_TAB; 1472 } 1473 1474 /** 1475 * Close a table row 1476 */ 1477 public function tablerow_close() { 1478 $this->doc .= DOKU_LF.DOKU_TAB.'</tr>'.DOKU_LF; 1479 } 1480 1481 /** 1482 * Open a table header cell 1483 * 1484 * @param int $colspan 1485 * @param string $align left|center|right 1486 * @param int $rowspan 1487 * @param string|string[] $classes css classes - have to be valid, do not pass unfiltered user input 1488 */ 1489 public function tableheader_open($colspan = 1, $align = null, $rowspan = 1, $classes = null) { 1490 $class = 'class="col'.$this->_counter['cell_counter']++; 1491 if(!is_null($align)) { 1492 $class .= ' '.$align.'align'; 1493 } 1494 if($classes !== null) { 1495 if(is_array($classes)) $classes = join(' ', $classes); 1496 $class .= ' ' . $classes; 1497 } 1498 $class .= '"'; 1499 $this->doc .= '<th '.$class; 1500 if($colspan > 1) { 1501 $this->_counter['cell_counter'] += $colspan - 1; 1502 $this->doc .= ' colspan="'.$colspan.'"'; 1503 } 1504 if($rowspan > 1) { 1505 $this->doc .= ' rowspan="'.$rowspan.'"'; 1506 } 1507 $this->doc .= '>'; 1508 } 1509 1510 /** 1511 * Close a table header cell 1512 */ 1513 public function tableheader_close() { 1514 $this->doc .= '</th>'; 1515 } 1516 1517 /** 1518 * Open a table cell 1519 * 1520 * @param int $colspan 1521 * @param string $align left|center|right 1522 * @param int $rowspan 1523 * @param string|string[] $classes css classes - have to be valid, do not pass unfiltered user input 1524 */ 1525 public function tablecell_open($colspan = 1, $align = null, $rowspan = 1, $classes = null) { 1526 $class = 'class="col'.$this->_counter['cell_counter']++; 1527 if(!is_null($align)) { 1528 $class .= ' '.$align.'align'; 1529 } 1530 if($classes !== null) { 1531 if(is_array($classes)) $classes = join(' ', $classes); 1532 $class .= ' ' . $classes; 1533 } 1534 $class .= '"'; 1535 $this->doc .= '<td '.$class; 1536 if($colspan > 1) { 1537 $this->_counter['cell_counter'] += $colspan - 1; 1538 $this->doc .= ' colspan="'.$colspan.'"'; 1539 } 1540 if($rowspan > 1) { 1541 $this->doc .= ' rowspan="'.$rowspan.'"'; 1542 } 1543 $this->doc .= '>'; 1544 } 1545 1546 /** 1547 * Close a table cell 1548 */ 1549 public function tablecell_close() { 1550 $this->doc .= '</td>'; 1551 } 1552 1553 /** 1554 * Returns the current header level. 1555 * (required e.g. by the filelist plugin) 1556 * 1557 * @return int The current header level 1558 */ 1559 public function getLastlevel() { 1560 return $this->lastlevel; 1561 } 1562 1563 #region Utility functions 1564 1565 /** 1566 * Build a link 1567 * 1568 * Assembles all parts defined in $link returns HTML for the link 1569 * 1570 * @param array $link attributes of a link 1571 * @return string 1572 * 1573 * @author Andreas Gohr <andi@splitbrain.org> 1574 */ 1575 public function _formatLink($link) { 1576 //make sure the url is XHTML compliant (skip mailto) 1577 if(substr($link['url'], 0, 7) != 'mailto:') { 1578 $link['url'] = str_replace('&', '&', $link['url']); 1579 $link['url'] = str_replace('&amp;', '&', $link['url']); 1580 } 1581 //remove double encodings in titles 1582 $link['title'] = str_replace('&amp;', '&', $link['title']); 1583 1584 // be sure there are no bad chars in url or title 1585 // (we can't do this for name because it can contain an img tag) 1586 $link['url'] = strtr($link['url'], array('>' => '%3E', '<' => '%3C', '"' => '%22')); 1587 $link['title'] = strtr($link['title'], array('>' => '>', '<' => '<', '"' => '"')); 1588 1589 $ret = ''; 1590 $ret .= $link['pre']; 1591 $ret .= '<a href="'.$link['url'].'"'; 1592 if(!empty($link['class'])) $ret .= ' class="'.$link['class'].'"'; 1593 if(!empty($link['target'])) $ret .= ' target="'.$link['target'].'"'; 1594 if(!empty($link['title'])) $ret .= ' title="'.$link['title'].'"'; 1595 if(!empty($link['style'])) $ret .= ' style="'.$link['style'].'"'; 1596 if(!empty($link['rel'])) $ret .= ' rel="'.trim($link['rel']).'"'; 1597 if(!empty($link['more'])) $ret .= ' '.$link['more']; 1598 $ret .= '>'; 1599 $ret .= $link['name']; 1600 $ret .= '</a>'; 1601 $ret .= $link['suf']; 1602 return $ret; 1603 } 1604 1605 /** 1606 * Renders internal and external media 1607 * 1608 * @author Andreas Gohr <andi@splitbrain.org> 1609 * @param string $src media ID 1610 * @param string $title descriptive text 1611 * @param string $align left|center|right 1612 * @param int $width width of media in pixel 1613 * @param int $height height of media in pixel 1614 * @param string $cache cache|recache|nocache 1615 * @param bool $render should the media be embedded inline or just linked 1616 * @return string 1617 */ 1618 public function _media($src, $title = null, $align = null, $width = null, 1619 $height = null, $cache = null, $render = true) { 1620 1621 $ret = ''; 1622 1623 list($ext, $mime) = mimetype($src); 1624 if(substr($mime, 0, 5) == 'image') { 1625 // first get the $title 1626 if(!is_null($title)) { 1627 $title = $this->_xmlEntities($title); 1628 } elseif($ext == 'jpg' || $ext == 'jpeg') { 1629 //try to use the caption from IPTC/EXIF 1630 require_once(DOKU_INC.'inc/JpegMeta.php'); 1631 $jpeg = new JpegMeta(mediaFN($src)); 1632 if($jpeg !== false) $cap = $jpeg->getTitle(); 1633 if(!empty($cap)) { 1634 $title = $this->_xmlEntities($cap); 1635 } 1636 } 1637 if(!$render) { 1638 // if the picture is not supposed to be rendered 1639 // return the title of the picture 1640 if(!$title) { 1641 // just show the sourcename 1642 $title = $this->_xmlEntities(utf8_basename(noNS($src))); 1643 } 1644 return $title; 1645 } 1646 //add image tag 1647 $ret .= '<img src="' . ml( 1648 $src, 1649 array( 1650 'w' => $width, 'h' => $height, 1651 'cache' => $cache, 1652 'rev' => $this->_getLastMediaRevisionAt($src) 1653 ) 1654 ) . '"'; 1655 $ret .= ' class="media'.$align.'"'; 1656 1657 if($title) { 1658 $ret .= ' title="'.$title.'"'; 1659 $ret .= ' alt="'.$title.'"'; 1660 } else { 1661 $ret .= ' alt=""'; 1662 } 1663 1664 if(!is_null($width)) 1665 $ret .= ' width="'.$this->_xmlEntities($width).'"'; 1666 1667 if(!is_null($height)) 1668 $ret .= ' height="'.$this->_xmlEntities($height).'"'; 1669 1670 $ret .= ' />'; 1671 1672 } elseif(media_supportedav($mime, 'video') || media_supportedav($mime, 'audio')) { 1673 // first get the $title 1674 $title = !is_null($title) ? $this->_xmlEntities($title) : false; 1675 if(!$render) { 1676 // if the file is not supposed to be rendered 1677 // return the title of the file (just the sourcename if there is no title) 1678 return $title ? $title : $this->_xmlEntities(utf8_basename(noNS($src))); 1679 } 1680 1681 $att = array(); 1682 $att['class'] = "media$align"; 1683 if($title) { 1684 $att['title'] = $title; 1685 } 1686 1687 if(media_supportedav($mime, 'video')) { 1688 //add video 1689 $ret .= $this->_video($src, $width, $height, $att); 1690 } 1691 if(media_supportedav($mime, 'audio')) { 1692 //add audio 1693 $ret .= $this->_audio($src, $att); 1694 } 1695 1696 } elseif($mime == 'application/x-shockwave-flash') { 1697 if(!$render) { 1698 // if the flash is not supposed to be rendered 1699 // return the title of the flash 1700 if(!$title) { 1701 // just show the sourcename 1702 $title = utf8_basename(noNS($src)); 1703 } 1704 return $this->_xmlEntities($title); 1705 } 1706 1707 $att = array(); 1708 $att['class'] = "media$align"; 1709 if($align == 'right') $att['align'] = 'right'; 1710 if($align == 'left') $att['align'] = 'left'; 1711 $ret .= html_flashobject( 1712 ml($src, array('cache' => $cache), true, '&'), $width, $height, 1713 array('quality' => 'high'), 1714 null, 1715 $att, 1716 $this->_xmlEntities($title) 1717 ); 1718 } elseif($title) { 1719 // well at least we have a title to display 1720 $ret .= $this->_xmlEntities($title); 1721 } else { 1722 // just show the sourcename 1723 $ret .= $this->_xmlEntities(utf8_basename(noNS($src))); 1724 } 1725 1726 return $ret; 1727 } 1728 1729 /** 1730 * Escape string for output 1731 * 1732 * @param $string 1733 * @return string 1734 */ 1735 public function _xmlEntities($string) { 1736 return htmlspecialchars($string, ENT_QUOTES, 'UTF-8'); 1737 } 1738 1739 1740 1741 /** 1742 * Construct a title and handle images in titles 1743 * 1744 * @author Harry Fuecks <hfuecks@gmail.com> 1745 * @param string|array $title either string title or media array 1746 * @param string $default default title if nothing else is found 1747 * @param bool $isImage will be set to true if it's a media file 1748 * @param null|string $id linked page id (used to extract title from first heading) 1749 * @param string $linktype content|navigation 1750 * @return string HTML of the title, might be full image tag or just escaped text 1751 */ 1752 public function _getLinkTitle($title, $default, &$isImage, $id = null, $linktype = 'content') { 1753 $isImage = false; 1754 if(is_array($title)) { 1755 $isImage = true; 1756 return $this->_imageTitle($title); 1757 } elseif(is_null($title) || trim($title) == '') { 1758 if(useHeading($linktype) && $id) { 1759 $heading = p_get_first_heading($id); 1760 if(!blank($heading)) { 1761 return $this->_xmlEntities($heading); 1762 } 1763 } 1764 return $this->_xmlEntities($default); 1765 } else { 1766 return $this->_xmlEntities($title); 1767 } 1768 } 1769 1770 /** 1771 * Returns HTML code for images used in link titles 1772 * 1773 * @author Andreas Gohr <andi@splitbrain.org> 1774 * @param array $img 1775 * @return string HTML img tag or similar 1776 */ 1777 public function _imageTitle($img) { 1778 global $ID; 1779 1780 // some fixes on $img['src'] 1781 // see internalmedia() and externalmedia() 1782 list($img['src']) = explode('#', $img['src'], 2); 1783 if($img['type'] == 'internalmedia') { 1784 resolve_mediaid(getNS($ID), $img['src'], $exists ,$this->date_at, true); 1785 } 1786 1787 return $this->_media( 1788 $img['src'], 1789 $img['title'], 1790 $img['align'], 1791 $img['width'], 1792 $img['height'], 1793 $img['cache'] 1794 ); 1795 } 1796 1797 /** 1798 * helperfunction to return a basic link to a media 1799 * 1800 * used in internalmedia() and externalmedia() 1801 * 1802 * @author Pierre Spring <pierre.spring@liip.ch> 1803 * @param string $src media ID 1804 * @param string $title descriptive text 1805 * @param string $align left|center|right 1806 * @param int $width width of media in pixel 1807 * @param int $height height of media in pixel 1808 * @param string $cache cache|recache|nocache 1809 * @param bool $render should the media be embedded inline or just linked 1810 * @return array associative array with link config 1811 */ 1812 public function _getMediaLinkConf($src, $title, $align, $width, $height, $cache, $render) { 1813 global $conf; 1814 1815 $link = array(); 1816 $link['class'] = 'media'; 1817 $link['style'] = ''; 1818 $link['pre'] = ''; 1819 $link['suf'] = ''; 1820 $link['more'] = ''; 1821 $link['target'] = $conf['target']['media']; 1822 if($conf['target']['media']) $link['rel'] = 'noopener'; 1823 $link['title'] = $this->_xmlEntities($src); 1824 $link['name'] = $this->_media($src, $title, $align, $width, $height, $cache, $render); 1825 1826 return $link; 1827 } 1828 1829 /** 1830 * Embed video(s) in HTML 1831 * 1832 * @author Anika Henke <anika@selfthinker.org> 1833 * @author Schplurtz le Déboulonné <Schplurtz@laposte.net> 1834 * 1835 * @param string $src - ID of video to embed 1836 * @param int $width - width of the video in pixels 1837 * @param int $height - height of the video in pixels 1838 * @param array $atts - additional attributes for the <video> tag 1839 * @return string 1840 */ 1841 public function _video($src, $width, $height, $atts = null) { 1842 // prepare width and height 1843 if(is_null($atts)) $atts = array(); 1844 $atts['width'] = (int) $width; 1845 $atts['height'] = (int) $height; 1846 if(!$atts['width']) $atts['width'] = 320; 1847 if(!$atts['height']) $atts['height'] = 240; 1848 1849 $posterUrl = ''; 1850 $files = array(); 1851 $tracks = array(); 1852 $isExternal = media_isexternal($src); 1853 1854 if ($isExternal) { 1855 // take direct source for external files 1856 list(/*ext*/, $srcMime) = mimetype($src); 1857 $files[$srcMime] = $src; 1858 } else { 1859 // prepare alternative formats 1860 $extensions = array('webm', 'ogv', 'mp4'); 1861 $files = media_alternativefiles($src, $extensions); 1862 $poster = media_alternativefiles($src, array('jpg', 'png')); 1863 $tracks = media_trackfiles($src); 1864 if(!empty($poster)) { 1865 $posterUrl = ml(reset($poster), '', true, '&'); 1866 } 1867 } 1868 1869 $out = ''; 1870 // open video tag 1871 $out .= '<video '.buildAttributes($atts).' controls="controls"'; 1872 if($posterUrl) $out .= ' poster="'.hsc($posterUrl).'"'; 1873 $out .= '>'.NL; 1874 $fallback = ''; 1875 1876 // output source for each alternative video format 1877 foreach($files as $mime => $file) { 1878 if ($isExternal) { 1879 $url = $file; 1880 $linkType = 'externalmedia'; 1881 } else { 1882 $url = ml($file, '', true, '&'); 1883 $linkType = 'internalmedia'; 1884 } 1885 $title = $atts['title'] ? $atts['title'] : $this->_xmlEntities(utf8_basename(noNS($file))); 1886 1887 $out .= '<source src="'.hsc($url).'" type="'.$mime.'" />'.NL; 1888 // alternative content (just a link to the file) 1889 $fallback .= $this->$linkType( 1890 $file, 1891 $title, 1892 null, 1893 null, 1894 null, 1895 $cache = null, 1896 $linking = 'linkonly', 1897 $return = true 1898 ); 1899 } 1900 1901 // output each track if any 1902 foreach( $tracks as $trackid => $info ) { 1903 list( $kind, $srclang ) = array_map( 'hsc', $info ); 1904 $out .= "<track kind=\"$kind\" srclang=\"$srclang\" "; 1905 $out .= "label=\"$srclang\" "; 1906 $out .= 'src="'.ml($trackid, '', true).'">'.NL; 1907 } 1908 1909 // finish 1910 $out .= $fallback; 1911 $out .= '</video>'.NL; 1912 return $out; 1913 } 1914 1915 /** 1916 * Embed audio in HTML 1917 * 1918 * @author Anika Henke <anika@selfthinker.org> 1919 * 1920 * @param string $src - ID of audio to embed 1921 * @param array $atts - additional attributes for the <audio> tag 1922 * @return string 1923 */ 1924 public function _audio($src, $atts = array()) { 1925 $files = array(); 1926 $isExternal = media_isexternal($src); 1927 1928 if ($isExternal) { 1929 // take direct source for external files 1930 list(/*ext*/, $srcMime) = mimetype($src); 1931 $files[$srcMime] = $src; 1932 } else { 1933 // prepare alternative formats 1934 $extensions = array('ogg', 'mp3', 'wav'); 1935 $files = media_alternativefiles($src, $extensions); 1936 } 1937 1938 $out = ''; 1939 // open audio tag 1940 $out .= '<audio '.buildAttributes($atts).' controls="controls">'.NL; 1941 $fallback = ''; 1942 1943 // output source for each alternative audio format 1944 foreach($files as $mime => $file) { 1945 if ($isExternal) { 1946 $url = $file; 1947 $linkType = 'externalmedia'; 1948 } else { 1949 $url = ml($file, '', true, '&'); 1950 $linkType = 'internalmedia'; 1951 } 1952 $title = $atts['title'] ? $atts['title'] : $this->_xmlEntities(utf8_basename(noNS($file))); 1953 1954 $out .= '<source src="'.hsc($url).'" type="'.$mime.'" />'.NL; 1955 // alternative content (just a link to the file) 1956 $fallback .= $this->$linkType( 1957 $file, 1958 $title, 1959 null, 1960 null, 1961 null, 1962 $cache = null, 1963 $linking = 'linkonly', 1964 $return = true 1965 ); 1966 } 1967 1968 // finish 1969 $out .= $fallback; 1970 $out .= '</audio>'.NL; 1971 return $out; 1972 } 1973 1974 /** 1975 * _getLastMediaRevisionAt is a helperfunction to internalmedia() and _media() 1976 * which returns an existing media revision less or equal to rev or date_at 1977 * 1978 * @author lisps 1979 * @param string $media_id 1980 * @access protected 1981 * @return string revision ('' for current) 1982 */ 1983 protected function _getLastMediaRevisionAt($media_id){ 1984 if(!$this->date_at || media_isexternal($media_id)) return ''; 1985 $pagelog = new MediaChangeLog($media_id); 1986 return $pagelog->getLastRevisionAt($this->date_at); 1987 } 1988 1989 #endregion 1990} 1991 1992//Setup VIM: ex: et ts=4 : 1993