Index: trunk/extensions/ParserFunctions/ParserFunctions.i18n.magic.php |
— | — | @@ -25,6 +25,16 @@ |
26 | 26 | 'timel' => array( 0, 'timel' ), |
27 | 27 | 'rel2abs' => array( 0, 'rel2abs' ), |
28 | 28 | 'titleparts' => array( 0, 'titleparts' ), |
| 29 | + |
| 30 | + 'len' => array( 0, 'len' ), |
| 31 | + 'pos' => array( 0, 'pos' ), |
| 32 | + 'rpos' => array( 0, 'rpos' ), |
| 33 | + 'sub' => array( 0, 'sub' ), |
| 34 | + 'pad' => array( 0, 'pad' ), |
| 35 | + 'replace' => array( 0, 'replace' ), |
| 36 | + 'explode' => array( 0, 'explode' ), |
| 37 | + 'urlencode' => array( 0, 'urlencode' ), |
| 38 | + 'urldecode' => array( 0, 'urldecode' ), |
29 | 39 | ); |
30 | 40 | |
31 | 41 | /** |
Index: trunk/extensions/ParserFunctions/ParserFunctions.php |
— | — | @@ -7,9 +7,9 @@ |
8 | 8 | $wgExtensionFunctions[] = 'wfSetupParserFunctions'; |
9 | 9 | $wgExtensionCredits['parserhook'][] = array( |
10 | 10 | 'name' => 'ParserFunctions', |
11 | | - 'version' => '1.1.1', |
| 11 | + 'version' => '2.0', |
12 | 12 | 'url' => 'http://meta.wikimedia.org/wiki/ParserFunctions', |
13 | | - 'author' => 'Tim Starling', |
| 13 | + 'author' => array('Tim Starling', 'Ross McClure', 'Juraj Simlovic', 'Fran Rogers'), |
14 | 14 | 'description' => 'Enhance parser with logical functions', |
15 | 15 | 'descriptionmsg' => 'pfunc_desc', |
16 | 16 | ); |
— | — | @@ -17,6 +17,10 @@ |
18 | 18 | $wgExtensionMessagesFiles['ParserFunctions'] = dirname(__FILE__) . '/ParserFunctions.i18n.php'; |
19 | 19 | $wgHooks['LanguageGetMagic'][] = 'wfParserFunctionsLanguageGetMagic'; |
20 | 20 | |
| 21 | +$wgStringFunctionsLimitSearch = 30; |
| 22 | +$wgStringFunctionsLimitReplace = 30; |
| 23 | +$wgStringFunctionsLimitPad = 100; |
| 24 | + |
21 | 25 | class ExtParserFunctions { |
22 | 26 | var $mExprParser; |
23 | 27 | var $mTimeCache = array(); |
— | — | @@ -47,6 +51,16 @@ |
48 | 52 | $parser->setFunctionHook( 'rel2abs', array( &$this, 'rel2abs' ) ); |
49 | 53 | $parser->setFunctionHook( 'titleparts', array( &$this, 'titleparts' ) ); |
50 | 54 | |
| 55 | + $parser->setFunctionHook( 'len', array( &$this, 'len' ) ); |
| 56 | + $parser->setFunctionHook( 'pos', array( &$this, 'pos' ) ); |
| 57 | + $parser->setFunctionHook( 'rpos', array( &$this, 'rpos' ) ); |
| 58 | + $parser->setFunctionHook( 'sub', array( &$this, 'sub' ) ); |
| 59 | + $parser->setFunctionHook( 'pad', array( &$this, 'pad' ) ); |
| 60 | + $parser->setFunctionHook( 'replace', array( &$this, 'replace' ) ); |
| 61 | + $parser->setFunctionHook( 'explode', array( &$this, 'explode' ) ); |
| 62 | + $parser->setFunctionHook( 'urlencode', array( &$this, 'urlencode' ) ); |
| 63 | + $parser->setFunctionHook( 'urldecode', array( &$this, 'urldecode' ) ); |
| 64 | + |
51 | 65 | return true; |
52 | 66 | } |
53 | 67 | |
— | — | @@ -476,6 +490,294 @@ |
477 | 491 | return $title; |
478 | 492 | } |
479 | 493 | } |
| 494 | + |
| 495 | + /** |
| 496 | + * Splits the string into its component parts using preg_match_all(). |
| 497 | + * $chars is set to the resulting array of multibyte characters. |
| 498 | + * Returns count($chars). |
| 499 | + */ |
| 500 | + function mwSplit ( &$parser, $str, &$chars ) { |
| 501 | + # Get marker prefix & suffix |
| 502 | + $prefix = preg_quote( $parser->mUniqPrefix ); |
| 503 | + if( isset($parser->mMarkerSuffix) ) |
| 504 | + $suffix = preg_quote( $parser->mMarkerSuffix ); |
| 505 | + else if ( strcmp( MW_PARSER_VERSION, '1.6.1' ) > 0 ) |
| 506 | + $suffix = 'QINU\x07'; |
| 507 | + else $suffix = 'QINU'; |
| 508 | + |
| 509 | + # Treat strip markers as single multibyte characters |
| 510 | + $count = preg_match_all('/' . $prefix . '.*?' . $suffix . '|./su', $str, $arr); |
| 511 | + $chars = $arr[0]; |
| 512 | + return $count; |
| 513 | + } |
| 514 | + |
| 515 | + /** |
| 516 | + * {{#len:value}} |
| 517 | + */ |
| 518 | + function len( &$parser, $inStr = '' ) { |
| 519 | + return $this->mwSplit ( $parser, $inStr, $chars ); |
| 520 | + } |
| 521 | + |
| 522 | + /** |
| 523 | + * {{#pos:value|key|offset}} |
| 524 | + * Note: If the needle is an empty string, single space is used instead. |
| 525 | + * Note: If the needle is not found, empty string is returned. |
| 526 | + * Note: The needle is limited to specific length. |
| 527 | + */ |
| 528 | + function pos( &$parser, $inStr = '', $inNeedle = '', $inOffset = 0 ) { |
| 529 | + global $wgStringFunctionsLimitSearch; |
| 530 | + |
| 531 | + if ( $inNeedle === '' ) { |
| 532 | + # empty needle |
| 533 | + $needle = array(' '); |
| 534 | + $nSize = 1; |
| 535 | + } else { |
| 536 | + # convert needle |
| 537 | + $nSize = $this->mwSplit ( $parser, $inNeedle, $needle ); |
| 538 | + |
| 539 | + if ( $nSize > $wgStringFunctionsLimitSearch ) { |
| 540 | + $nSize = $wgStringFunctionsLimitSearch; |
| 541 | + $needle = array_slice ( $needle, 0, $nSize ); |
| 542 | + } |
| 543 | + } |
| 544 | + |
| 545 | + # convert string |
| 546 | + $size = $this->mwSplit( $parser, $inStr, $chars ) - $nSize; |
| 547 | + $inOffset = max ( intval($inOffset), 0 ); |
| 548 | + |
| 549 | + # find needle |
| 550 | + for ( $i = $inOffset; $i <= $size; $i++ ) { |
| 551 | + if ( $chars[$i] !== $needle[0] ) continue; |
| 552 | + for ( $j = 1; ; $j++ ) { |
| 553 | + if ( $j >= $nSize ) return $i; |
| 554 | + if ( $chars[$i + $j] !== $needle[$j] ) break; |
| 555 | + } |
| 556 | + } |
| 557 | + |
| 558 | + # return empty string upon not found |
| 559 | + return ''; |
| 560 | + } |
| 561 | + |
| 562 | + /** |
| 563 | + * {{#rpos:value|key}} |
| 564 | + * Note: If the needle is an empty string, single space is used instead. |
| 565 | + * Note: If the needle is not found, -1 is returned. |
| 566 | + * Note: The needle is limited to specific length. |
| 567 | + */ |
| 568 | + function rPos( &$parser, $inStr = '', $inNeedle = '' ) { |
| 569 | + global $wgStringFunctionsLimitSearch; |
| 570 | + |
| 571 | + if ( $inNeedle === '' ) { |
| 572 | + # empty needle |
| 573 | + $needle = array(' '); |
| 574 | + $nSize = 1; |
| 575 | + } else { |
| 576 | + # convert needle |
| 577 | + $nSize = $this->mwSplit ( $parser, $inNeedle, $needle ); |
| 578 | + |
| 579 | + if ( $nSize > $wgStringFunctionsLimitSearch ) { |
| 580 | + $nSize = $wgStringFunctionsLimitSearch; |
| 581 | + $needle = array_slice ( $needle, 0, $nSize ); |
| 582 | + } |
| 583 | + } |
| 584 | + |
| 585 | + # convert string |
| 586 | + $size = $this->mwSplit( $parser, $inStr, $chars ) - $nSize; |
| 587 | + |
| 588 | + # find needle |
| 589 | + for ( $i = $size; $i >= 0; $i-- ) { |
| 590 | + if ( $chars[$i] !== $needle[0] ) continue; |
| 591 | + for ( $j = 1; ; $j++ ) { |
| 592 | + if ( $j >= $nSize ) return $i; |
| 593 | + if ( $chars[$i + $j] !== $needle[$j] ) break; |
| 594 | + } |
| 595 | + } |
| 596 | + |
| 597 | + # return -1 upon not found |
| 598 | + return "-1"; |
| 599 | + } |
| 600 | + |
| 601 | + /** |
| 602 | + * {{#sub:value|start|length}} |
| 603 | + * Note: If length is zero, the rest of the input is returned. |
| 604 | + */ |
| 605 | + function sub( &$parser, $inStr = '', $inStart = 0, $inLength = 0 ) { |
| 606 | + # convert string |
| 607 | + $this->mwSplit( $parser, $inStr, $chars ); |
| 608 | + |
| 609 | + # zero length |
| 610 | + if ( intval($inLength) == 0 ) |
| 611 | + return join('', array_slice( $chars, intval($inStart) )); |
| 612 | + |
| 613 | + # non-zero length |
| 614 | + return join('', array_slice( $chars, intval($inStart), intval($inLength) )); |
| 615 | + } |
| 616 | + |
| 617 | + /** |
| 618 | + * {{#pad:value|length|with|direction}} |
| 619 | + * Note: Length of the resulting string is limited. |
| 620 | + */ |
| 621 | + function pad( &$parser, $inStr = '', $inLen = 0, $inWith = '', $inDirection = '' ) { |
| 622 | + global $wgStringFunctionsLimitPad; |
| 623 | + |
| 624 | + # direction |
| 625 | + switch ( strtolower ( $inDirection ) ) { |
| 626 | + case 'center': |
| 627 | + $direction = STR_PAD_BOTH; |
| 628 | + break; |
| 629 | + case 'right': |
| 630 | + $direction = STR_PAD_RIGHT; |
| 631 | + break; |
| 632 | + case 'left': |
| 633 | + default: |
| 634 | + $direction = STR_PAD_LEFT; |
| 635 | + break; |
| 636 | + } |
| 637 | + |
| 638 | + # prevent markers in padding |
| 639 | + $a = explode ( $parser->mUniqPrefix, $inWith, 2 ); |
| 640 | + if ( $a[0] === '' ) |
| 641 | + $inWith = ' '; |
| 642 | + else $inWith = $a[0]; |
| 643 | + |
| 644 | + # limit pad length |
| 645 | + $inLen = intval ( $inLen ); |
| 646 | + if ($wgStringFunctionsLimitPad > 0) |
| 647 | + $inLen = min ( $inLen, $wgStringFunctionsLimitPad ); |
| 648 | + |
| 649 | + # adjust for multibyte strings |
| 650 | + $inLen += strlen( $inStr ) - $this->mwSplit( $parser, $inStr, $a ); |
| 651 | + |
| 652 | + # pad |
| 653 | + return str_pad ( $inStr, $inLen, $inWith, $direction ); |
| 654 | + } |
| 655 | + |
| 656 | + /** |
| 657 | + * {{#replace:value|from|to}} |
| 658 | + * Note: If the needle is an empty string, single space is used instead. |
| 659 | + * Note: The needle is limited to specific length. |
| 660 | + * Note: The product is limited to specific length. |
| 661 | + */ |
| 662 | + function replace( &$parser, $inStr = '', $inReplaceFrom = '', $inReplaceTo = '' ) { |
| 663 | + global $wgStringFunctionsLimitSearch, $wgStringFunctionsLimitReplace; |
| 664 | + |
| 665 | + if ( $inReplaceFrom === '' ) { |
| 666 | + # empty needle |
| 667 | + $needle = array(' '); |
| 668 | + $nSize = 1; |
| 669 | + } else { |
| 670 | + # convert needle |
| 671 | + $nSize = $this->mwSplit ( $parser, $inReplaceFrom, $needle ); |
| 672 | + if ( $nSize > $wgStringFunctionsLimitSearch ) { |
| 673 | + $nSize = $wgStringFunctionsLimitSearch; |
| 674 | + $needle = array_slice ( $needle, 0, $nSize ); |
| 675 | + } |
| 676 | + } |
| 677 | + |
| 678 | + # convert product |
| 679 | + $pSize = $this->mwSplit ( $parser, $inReplaceTo, $product ); |
| 680 | + if ( $pSize > $wgStringFunctionsLimitReplace ) { |
| 681 | + $pSize = $wgStringFunctionsLimitReplace; |
| 682 | + $product = array_slice ( $product, 0, $pSize ); |
| 683 | + } |
| 684 | + |
| 685 | + # remove markers in product |
| 686 | + for( $i = 0; $i < $pSize; $i++ ) { |
| 687 | + if( strlen( $product[$i] ) > 6 ) $product[$i] = ' '; |
| 688 | + } |
| 689 | + |
| 690 | + # convert string |
| 691 | + $size = $this->mwSplit ( $parser, $inStr, $chars ) - $nSize; |
| 692 | + |
| 693 | + # replace |
| 694 | + for ( $i = 0; $i <= $size; $i++ ) { |
| 695 | + if ( $chars[$i] !== $needle[0] ) continue; |
| 696 | + for ( $j = 1; ; $j++ ) { |
| 697 | + if ( $j >= $nSize ) { |
| 698 | + array_splice ( $chars, $i, $j, $product ); |
| 699 | + $size += ( $pSize - $nSize ); |
| 700 | + $i += ( $pSize - 1 ); |
| 701 | + break; |
| 702 | + } |
| 703 | + if ( $chars[$i + $j] !== $needle[$j] ) break; |
| 704 | + } |
| 705 | + } |
| 706 | + return join('', $chars); |
| 707 | + } |
| 708 | + |
| 709 | + /** |
| 710 | + * {{#explode:value|delimiter|position}} |
| 711 | + * Note: Negative position can be used to specify tokens from the end. |
| 712 | + * Note: If the divider is an empty string, single space is used instead. |
| 713 | + * Note: The divider is limited to specific length. |
| 714 | + * Note: Empty string is returned, if there is not enough exploded chunks. |
| 715 | + */ |
| 716 | + function explode( &$parser, $inStr = '', $inDiv = '', $inPos = 0 ) { |
| 717 | + global $wgStringFunctionsLimitSearch; |
| 718 | + |
| 719 | + if ( $inDiv === '' ) { |
| 720 | + # empty divider |
| 721 | + $div = array(' '); |
| 722 | + $dSize = 1; |
| 723 | + } else { |
| 724 | + # convert divider |
| 725 | + $dSize = $this->mwSplit ( $parser, $inDiv, $div ); |
| 726 | + if ( $dSize > $wgStringFunctionsLimitSearch ) { |
| 727 | + $dSize = $wgStringFunctionsLimitSearch; |
| 728 | + $div = array_slice ( $div, 0, $dSize ); |
| 729 | + } |
| 730 | + } |
| 731 | + |
| 732 | + # convert string |
| 733 | + $size = $this->mwSplit ( $parser, $inStr, $chars ) - $dSize; |
| 734 | + |
| 735 | + # explode |
| 736 | + $inPos = intval ( $inPos ); |
| 737 | + $tokens = array(); |
| 738 | + $start = 0; |
| 739 | + for ( $i = 0; $i <= $size; $i++ ) { |
| 740 | + if ( $chars[$i] !== $div[0] ) continue; |
| 741 | + for ( $j = 1; ; $j++ ) { |
| 742 | + if ( $j >= $dSize ) { |
| 743 | + if ( $inPos > 0 ) $inPos--; |
| 744 | + else { |
| 745 | + $tokens[] = join('', array_slice($chars, $start, ($i - $start))); |
| 746 | + if ( $inPos == 0 ) return $tokens[0]; |
| 747 | + } |
| 748 | + $start = $i + $j; |
| 749 | + $i = $start - 1; |
| 750 | + break; |
| 751 | + } |
| 752 | + if ( $chars[$i + $j] !== $div[$j] ) break; |
| 753 | + } |
| 754 | + } |
| 755 | + $tokens[] = join('', array_slice( $chars, $start )); |
| 756 | + |
| 757 | + # negative $inPos |
| 758 | + if ( $inPos < 0 ) $inPos += count ( $tokens ); |
| 759 | + |
| 760 | + # out of range |
| 761 | + if ( !isset ( $tokens[$inPos] ) ) return ""; |
| 762 | + |
| 763 | + # in range |
| 764 | + return $tokens[$inPos]; |
| 765 | + } |
| 766 | + |
| 767 | + /** |
| 768 | + * {{#urlencode:value}} |
| 769 | + */ |
| 770 | + function urlEncode ( &$parser, $inStr = '' ) { |
| 771 | + # encode |
| 772 | + return urlencode ( $inStr ); |
| 773 | + } |
| 774 | + |
| 775 | + /** |
| 776 | + * {{#urldecode:value}} |
| 777 | + */ |
| 778 | + function urlDecode ( &$parser, $inStr = '' ) { |
| 779 | + # decode |
| 780 | + return urldecode ( $inStr ); |
| 781 | + } |
480 | 782 | } |
481 | 783 | |
482 | 784 | function wfSetupParserFunctions() { |
— | — | @@ -502,4 +804,3 @@ |
503 | 805 | $magicWords[$word] = $trans; |
504 | 806 | return true; |
505 | 807 | } |
506 | | - |