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