@@ 590-2713 (lines=2124) @@ | ||
587 | * |
|
588 | * Date: 2015-10-17 |
|
589 | */ |
|
590 | (function( window ) { |
|
591 | ||
592 | var i, |
|
593 | support, |
|
594 | Expr, |
|
595 | getText, |
|
596 | isXML, |
|
597 | tokenize, |
|
598 | compile, |
|
599 | select, |
|
600 | outermostContext, |
|
601 | sortInput, |
|
602 | hasDuplicate, |
|
603 | ||
604 | // Local document vars |
|
605 | setDocument, |
|
606 | document, |
|
607 | docElem, |
|
608 | documentIsHTML, |
|
609 | rbuggyQSA, |
|
610 | rbuggyMatches, |
|
611 | matches, |
|
612 | contains, |
|
613 | ||
614 | // Instance-specific data |
|
615 | expando = "sizzle" + 1 * new Date(), |
|
616 | preferredDoc = window.document, |
|
617 | dirruns = 0, |
|
618 | done = 0, |
|
619 | classCache = createCache(), |
|
620 | tokenCache = createCache(), |
|
621 | compilerCache = createCache(), |
|
622 | sortOrder = function( a, b ) { |
|
623 | if ( a === b ) { |
|
624 | hasDuplicate = true; |
|
625 | } |
|
626 | return 0; |
|
627 | }, |
|
628 | ||
629 | // General-purpose constants |
|
630 | MAX_NEGATIVE = 1 << 31, |
|
631 | ||
632 | // Instance methods |
|
633 | hasOwn = ({}).hasOwnProperty, |
|
634 | arr = [], |
|
635 | pop = arr.pop, |
|
636 | push_native = arr.push, |
|
637 | push = arr.push, |
|
638 | slice = arr.slice, |
|
639 | // Use a stripped-down indexOf as it's faster than native |
|
640 | // http://jsperf.com/thor-indexof-vs-for/5 |
|
641 | indexOf = function( list, elem ) { |
|
642 | var i = 0, |
|
643 | len = list.length; |
|
644 | for ( ; i < len; i++ ) { |
|
645 | if ( list[i] === elem ) { |
|
646 | return i; |
|
647 | } |
|
648 | } |
|
649 | return -1; |
|
650 | }, |
|
651 | ||
652 | booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped", |
|
653 | ||
654 | // Regular expressions |
|
655 | ||
656 | // http://www.w3.org/TR/css3-selectors/#whitespace |
|
657 | whitespace = "[\\x20\\t\\r\\n\\f]", |
|
658 | ||
659 | // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier |
|
660 | identifier = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+", |
|
661 | ||
662 | // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors |
|
663 | attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace + |
|
664 | // Operator (capture 2) |
|
665 | "*([*^$|!~]?=)" + whitespace + |
|
666 | // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]" |
|
667 | "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace + |
|
668 | "*\\]", |
|
669 | ||
670 | pseudos = ":(" + identifier + ")(?:\\((" + |
|
671 | // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments: |
|
672 | // 1. quoted (capture 3; capture 4 or capture 5) |
|
673 | "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" + |
|
674 | // 2. simple (capture 6) |
|
675 | "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" + |
|
676 | // 3. anything else (capture 2) |
|
677 | ".*" + |
|
678 | ")\\)|)", |
|
679 | ||
680 | // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter |
|
681 | rwhitespace = new RegExp( whitespace + "+", "g" ), |
|
682 | rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ), |
|
683 | ||
684 | rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ), |
|
685 | rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ), |
|
686 | ||
687 | rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ), |
|
688 | ||
689 | rpseudo = new RegExp( pseudos ), |
|
690 | ridentifier = new RegExp( "^" + identifier + "$" ), |
|
691 | ||
692 | matchExpr = { |
|
693 | "ID": new RegExp( "^#(" + identifier + ")" ), |
|
694 | "CLASS": new RegExp( "^\\.(" + identifier + ")" ), |
|
695 | "TAG": new RegExp( "^(" + identifier + "|[*])" ), |
|
696 | "ATTR": new RegExp( "^" + attributes ), |
|
697 | "PSEUDO": new RegExp( "^" + pseudos ), |
|
698 | "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace + |
|
699 | "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace + |
|
700 | "*(\\d+)|))" + whitespace + "*\\)|)", "i" ), |
|
701 | "bool": new RegExp( "^(?:" + booleans + ")$", "i" ), |
|
702 | // For use in libraries implementing .is() |
|
703 | // We use this for POS matching in `select` |
|
704 | "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + |
|
705 | whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" ) |
|
706 | }, |
|
707 | ||
708 | rinputs = /^(?:input|select|textarea|button)$/i, |
|
709 | rheader = /^h\d$/i, |
|
710 | ||
711 | rnative = /^[^{]+\{\s*\[native \w/, |
|
712 | ||
713 | // Easily-parseable/retrievable ID or TAG or CLASS selectors |
|
714 | rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/, |
|
715 | ||
716 | rsibling = /[+~]/, |
|
717 | rescape = /'|\\/g, |
|
718 | ||
719 | // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters |
|
720 | runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ), |
|
721 | funescape = function( _, escaped, escapedWhitespace ) { |
|
722 | var high = "0x" + escaped - 0x10000; |
|
723 | // NaN means non-codepoint |
|
724 | // Support: Firefox<24 |
|
725 | // Workaround erroneous numeric interpretation of +"0x" |
|
726 | return high !== high || escapedWhitespace ? |
|
727 | escaped : |
|
728 | high < 0 ? |
|
729 | // BMP codepoint |
|
730 | String.fromCharCode( high + 0x10000 ) : |
|
731 | // Supplemental Plane codepoint (surrogate pair) |
|
732 | String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); |
|
733 | }, |
|
734 | ||
735 | // Used for iframes |
|
736 | // See setDocument() |
|
737 | // Removing the function wrapper causes a "Permission Denied" |
|
738 | // error in IE |
|
739 | unloadHandler = function() { |
|
740 | setDocument(); |
|
741 | }; |
|
742 | ||
743 | // Optimize for push.apply( _, NodeList ) |
|
744 | try { |
|
745 | push.apply( |
|
746 | (arr = slice.call( preferredDoc.childNodes )), |
|
747 | preferredDoc.childNodes |
|
748 | ); |
|
749 | // Support: Android<4.0 |
|
750 | // Detect silently failing push.apply |
|
751 | arr[ preferredDoc.childNodes.length ].nodeType; |
|
752 | } catch ( e ) { |
|
753 | push = { apply: arr.length ? |
|
754 | ||
755 | // Leverage slice if possible |
|
756 | function( target, els ) { |
|
757 | push_native.apply( target, slice.call(els) ); |
|
758 | } : |
|
759 | ||
760 | // Support: IE<9 |
|
761 | // Otherwise append directly |
|
762 | function( target, els ) { |
|
763 | var j = target.length, |
|
764 | i = 0; |
|
765 | // Can't trust NodeList.length |
|
766 | while ( (target[j++] = els[i++]) ) {} |
|
767 | target.length = j - 1; |
|
768 | } |
|
769 | }; |
|
770 | } |
|
771 | ||
772 | function Sizzle( selector, context, results, seed ) { |
|
773 | var m, i, elem, nid, nidselect, match, groups, newSelector, |
|
774 | newContext = context && context.ownerDocument, |
|
775 | ||
776 | // nodeType defaults to 9, since context defaults to document |
|
777 | nodeType = context ? context.nodeType : 9; |
|
778 | ||
779 | results = results || []; |
|
780 | ||
781 | // Return early from calls with invalid selector or context |
|
782 | if ( typeof selector !== "string" || !selector || |
|
783 | nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) { |
|
784 | ||
785 | return results; |
|
786 | } |
|
787 | ||
788 | // Try to shortcut find operations (as opposed to filters) in HTML documents |
|
789 | if ( !seed ) { |
|
790 | ||
791 | if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) { |
|
792 | setDocument( context ); |
|
793 | } |
|
794 | context = context || document; |
|
795 | ||
796 | if ( documentIsHTML ) { |
|
797 | ||
798 | // If the selector is sufficiently simple, try using a "get*By*" DOM method |
|
799 | // (excepting DocumentFragment context, where the methods don't exist) |
|
800 | if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) { |
|
801 | ||
802 | // ID selector |
|
803 | if ( (m = match[1]) ) { |
|
804 | ||
805 | // Document context |
|
806 | if ( nodeType === 9 ) { |
|
807 | if ( (elem = context.getElementById( m )) ) { |
|
808 | ||
809 | // Support: IE, Opera, Webkit |
|
810 | // TODO: identify versions |
|
811 | // getElementById can match elements by name instead of ID |
|
812 | if ( elem.id === m ) { |
|
813 | results.push( elem ); |
|
814 | return results; |
|
815 | } |
|
816 | } else { |
|
817 | return results; |
|
818 | } |
|
819 | ||
820 | // Element context |
|
821 | } else { |
|
822 | ||
823 | // Support: IE, Opera, Webkit |
|
824 | // TODO: identify versions |
|
825 | // getElementById can match elements by name instead of ID |
|
826 | if ( newContext && (elem = newContext.getElementById( m )) && |
|
827 | contains( context, elem ) && |
|
828 | elem.id === m ) { |
|
829 | ||
830 | results.push( elem ); |
|
831 | return results; |
|
832 | } |
|
833 | } |
|
834 | ||
835 | // Type selector |
|
836 | } else if ( match[2] ) { |
|
837 | push.apply( results, context.getElementsByTagName( selector ) ); |
|
838 | return results; |
|
839 | ||
840 | // Class selector |
|
841 | } else if ( (m = match[3]) && support.getElementsByClassName && |
|
842 | context.getElementsByClassName ) { |
|
843 | ||
844 | push.apply( results, context.getElementsByClassName( m ) ); |
|
845 | return results; |
|
846 | } |
|
847 | } |
|
848 | ||
849 | // Take advantage of querySelectorAll |
|
850 | if ( support.qsa && |
|
851 | !compilerCache[ selector + " " ] && |
|
852 | (!rbuggyQSA || !rbuggyQSA.test( selector )) ) { |
|
853 | ||
854 | if ( nodeType !== 1 ) { |
|
855 | newContext = context; |
|
856 | newSelector = selector; |
|
857 | ||
858 | // qSA looks outside Element context, which is not what we want |
|
859 | // Thanks to Andrew Dupont for this workaround technique |
|
860 | // Support: IE <=8 |
|
861 | // Exclude object elements |
|
862 | } else if ( context.nodeName.toLowerCase() !== "object" ) { |
|
863 | ||
864 | // Capture the context ID, setting it first if necessary |
|
865 | if ( (nid = context.getAttribute( "id" )) ) { |
|
866 | nid = nid.replace( rescape, "\\$&" ); |
|
867 | } else { |
|
868 | context.setAttribute( "id", (nid = expando) ); |
|
869 | } |
|
870 | ||
871 | // Prefix every selector in the list |
|
872 | groups = tokenize( selector ); |
|
873 | i = groups.length; |
|
874 | nidselect = ridentifier.test( nid ) ? "#" + nid : "[id='" + nid + "']"; |
|
875 | while ( i-- ) { |
|
876 | groups[i] = nidselect + " " + toSelector( groups[i] ); |
|
877 | } |
|
878 | newSelector = groups.join( "," ); |
|
879 | ||
880 | // Expand context for sibling selectors |
|
881 | newContext = rsibling.test( selector ) && testContext( context.parentNode ) || |
|
882 | context; |
|
883 | } |
|
884 | ||
885 | if ( newSelector ) { |
|
886 | try { |
|
887 | push.apply( results, |
|
888 | newContext.querySelectorAll( newSelector ) |
|
889 | ); |
|
890 | return results; |
|
891 | } catch ( qsaError ) { |
|
892 | } finally { |
|
893 | if ( nid === expando ) { |
|
894 | context.removeAttribute( "id" ); |
|
895 | } |
|
896 | } |
|
897 | } |
|
898 | } |
|
899 | } |
|
900 | } |
|
901 | ||
902 | // All others |
|
903 | return select( selector.replace( rtrim, "$1" ), context, results, seed ); |
|
904 | } |
|
905 | ||
906 | /** |
|
907 | * Create key-value caches of limited size |
|
908 | * @returns {function(string, object)} Returns the Object data after storing it on itself with |
|
909 | * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength) |
|
910 | * deleting the oldest entry |
|
911 | */ |
|
912 | function createCache() { |
|
913 | var keys = []; |
|
914 | ||
915 | function cache( key, value ) { |
|
916 | // Use (key + " ") to avoid collision with native prototype properties (see Issue #157) |
|
917 | if ( keys.push( key + " " ) > Expr.cacheLength ) { |
|
918 | // Only keep the most recent entries |
|
919 | delete cache[ keys.shift() ]; |
|
920 | } |
|
921 | return (cache[ key + " " ] = value); |
|
922 | } |
|
923 | return cache; |
|
924 | } |
|
925 | ||
926 | /** |
|
927 | * Mark a function for special use by Sizzle |
|
928 | * @param {Function} fn The function to mark |
|
929 | */ |
|
930 | function markFunction( fn ) { |
|
931 | fn[ expando ] = true; |
|
932 | return fn; |
|
933 | } |
|
934 | ||
935 | /** |
|
936 | * Support testing using an element |
|
937 | * @param {Function} fn Passed the created div and expects a boolean result |
|
938 | */ |
|
939 | function assert( fn ) { |
|
940 | var div = document.createElement("div"); |
|
941 | ||
942 | try { |
|
943 | return !!fn( div ); |
|
944 | } catch (e) { |
|
945 | return false; |
|
946 | } finally { |
|
947 | // Remove from its parent by default |
|
948 | if ( div.parentNode ) { |
|
949 | div.parentNode.removeChild( div ); |
|
950 | } |
|
951 | // release memory in IE |
|
952 | div = null; |
|
953 | } |
|
954 | } |
|
955 | ||
956 | /** |
|
957 | * Adds the same handler for all of the specified attrs |
|
958 | * @param {String} attrs Pipe-separated list of attributes |
|
959 | * @param {Function} handler The method that will be applied |
|
960 | */ |
|
961 | function addHandle( attrs, handler ) { |
|
962 | var arr = attrs.split("|"), |
|
963 | i = arr.length; |
|
964 | ||
965 | while ( i-- ) { |
|
966 | Expr.attrHandle[ arr[i] ] = handler; |
|
967 | } |
|
968 | } |
|
969 | ||
970 | /** |
|
971 | * Checks document order of two siblings |
|
972 | * @param {Element} a |
|
973 | * @param {Element} b |
|
974 | * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b |
|
975 | */ |
|
976 | function siblingCheck( a, b ) { |
|
977 | var cur = b && a, |
|
978 | diff = cur && a.nodeType === 1 && b.nodeType === 1 && |
|
979 | ( ~b.sourceIndex || MAX_NEGATIVE ) - |
|
980 | ( ~a.sourceIndex || MAX_NEGATIVE ); |
|
981 | ||
982 | // Use IE sourceIndex if available on both nodes |
|
983 | if ( diff ) { |
|
984 | return diff; |
|
985 | } |
|
986 | ||
987 | // Check if b follows a |
|
988 | if ( cur ) { |
|
989 | while ( (cur = cur.nextSibling) ) { |
|
990 | if ( cur === b ) { |
|
991 | return -1; |
|
992 | } |
|
993 | } |
|
994 | } |
|
995 | ||
996 | return a ? 1 : -1; |
|
997 | } |
|
998 | ||
999 | /** |
|
1000 | * Returns a function to use in pseudos for input types |
|
1001 | * @param {String} type |
|
1002 | */ |
|
1003 | function createInputPseudo( type ) { |
|
1004 | return function( elem ) { |
|
1005 | var name = elem.nodeName.toLowerCase(); |
|
1006 | return name === "input" && elem.type === type; |
|
1007 | }; |
|
1008 | } |
|
1009 | ||
1010 | /** |
|
1011 | * Returns a function to use in pseudos for buttons |
|
1012 | * @param {String} type |
|
1013 | */ |
|
1014 | function createButtonPseudo( type ) { |
|
1015 | return function( elem ) { |
|
1016 | var name = elem.nodeName.toLowerCase(); |
|
1017 | return (name === "input" || name === "button") && elem.type === type; |
|
1018 | }; |
|
1019 | } |
|
1020 | ||
1021 | /** |
|
1022 | * Returns a function to use in pseudos for positionals |
|
1023 | * @param {Function} fn |
|
1024 | */ |
|
1025 | function createPositionalPseudo( fn ) { |
|
1026 | return markFunction(function( argument ) { |
|
1027 | argument = +argument; |
|
1028 | return markFunction(function( seed, matches ) { |
|
1029 | var j, |
|
1030 | matchIndexes = fn( [], seed.length, argument ), |
|
1031 | i = matchIndexes.length; |
|
1032 | ||
1033 | // Match elements found at the specified indexes |
|
1034 | while ( i-- ) { |
|
1035 | if ( seed[ (j = matchIndexes[i]) ] ) { |
|
1036 | seed[j] = !(matches[j] = seed[j]); |
|
1037 | } |
|
1038 | } |
|
1039 | }); |
|
1040 | }); |
|
1041 | } |
|
1042 | ||
1043 | /** |
|
1044 | * Checks a node for validity as a Sizzle context |
|
1045 | * @param {Element|Object=} context |
|
1046 | * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value |
|
1047 | */ |
|
1048 | function testContext( context ) { |
|
1049 | return context && typeof context.getElementsByTagName !== "undefined" && context; |
|
1050 | } |
|
1051 | ||
1052 | // Expose support vars for convenience |
|
1053 | support = Sizzle.support = {}; |
|
1054 | ||
1055 | /** |
|
1056 | * Detects XML nodes |
|
1057 | * @param {Element|Object} elem An element or a document |
|
1058 | * @returns {Boolean} True iff elem is a non-HTML XML node |
|
1059 | */ |
|
1060 | isXML = Sizzle.isXML = function( elem ) { |
|
1061 | // documentElement is verified for cases where it doesn't yet exist |
|
1062 | // (such as loading iframes in IE - #4833) |
|
1063 | var documentElement = elem && (elem.ownerDocument || elem).documentElement; |
|
1064 | return documentElement ? documentElement.nodeName !== "HTML" : false; |
|
1065 | }; |
|
1066 | ||
1067 | /** |
|
1068 | * Sets document-related variables once based on the current document |
|
1069 | * @param {Element|Object} [doc] An element or document object to use to set the document |
|
1070 | * @returns {Object} Returns the current document |
|
1071 | */ |
|
1072 | setDocument = Sizzle.setDocument = function( node ) { |
|
1073 | var hasCompare, parent, |
|
1074 | doc = node ? node.ownerDocument || node : preferredDoc; |
|
1075 | ||
1076 | // Return early if doc is invalid or already selected |
|
1077 | if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) { |
|
1078 | return document; |
|
1079 | } |
|
1080 | ||
1081 | // Update global variables |
|
1082 | document = doc; |
|
1083 | docElem = document.documentElement; |
|
1084 | documentIsHTML = !isXML( document ); |
|
1085 | ||
1086 | // Support: IE 9-11, Edge |
|
1087 | // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936) |
|
1088 | if ( (parent = document.defaultView) && parent.top !== parent ) { |
|
1089 | // Support: IE 11 |
|
1090 | if ( parent.addEventListener ) { |
|
1091 | parent.addEventListener( "unload", unloadHandler, false ); |
|
1092 | ||
1093 | // Support: IE 9 - 10 only |
|
1094 | } else if ( parent.attachEvent ) { |
|
1095 | parent.attachEvent( "onunload", unloadHandler ); |
|
1096 | } |
|
1097 | } |
|
1098 | ||
1099 | /* Attributes |
|
1100 | ---------------------------------------------------------------------- */ |
|
1101 | ||
1102 | // Support: IE<8 |
|
1103 | // Verify that getAttribute really returns attributes and not properties |
|
1104 | // (excepting IE8 booleans) |
|
1105 | support.attributes = assert(function( div ) { |
|
1106 | div.className = "i"; |
|
1107 | return !div.getAttribute("className"); |
|
1108 | }); |
|
1109 | ||
1110 | /* getElement(s)By* |
|
1111 | ---------------------------------------------------------------------- */ |
|
1112 | ||
1113 | // Check if getElementsByTagName("*") returns only elements |
|
1114 | support.getElementsByTagName = assert(function( div ) { |
|
1115 | div.appendChild( document.createComment("") ); |
|
1116 | return !div.getElementsByTagName("*").length; |
|
1117 | }); |
|
1118 | ||
1119 | // Support: IE<9 |
|
1120 | support.getElementsByClassName = rnative.test( document.getElementsByClassName ); |
|
1121 | ||
1122 | // Support: IE<10 |
|
1123 | // Check if getElementById returns elements by name |
|
1124 | // The broken getElementById methods don't pick up programatically-set names, |
|
1125 | // so use a roundabout getElementsByName test |
|
1126 | support.getById = assert(function( div ) { |
|
1127 | docElem.appendChild( div ).id = expando; |
|
1128 | return !document.getElementsByName || !document.getElementsByName( expando ).length; |
|
1129 | }); |
|
1130 | ||
1131 | // ID find and filter |
|
1132 | if ( support.getById ) { |
|
1133 | Expr.find["ID"] = function( id, context ) { |
|
1134 | if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { |
|
1135 | var m = context.getElementById( id ); |
|
1136 | return m ? [ m ] : []; |
|
1137 | } |
|
1138 | }; |
|
1139 | Expr.filter["ID"] = function( id ) { |
|
1140 | var attrId = id.replace( runescape, funescape ); |
|
1141 | return function( elem ) { |
|
1142 | return elem.getAttribute("id") === attrId; |
|
1143 | }; |
|
1144 | }; |
|
1145 | } else { |
|
1146 | // Support: IE6/7 |
|
1147 | // getElementById is not reliable as a find shortcut |
|
1148 | delete Expr.find["ID"]; |
|
1149 | ||
1150 | Expr.filter["ID"] = function( id ) { |
|
1151 | var attrId = id.replace( runescape, funescape ); |
|
1152 | return function( elem ) { |
|
1153 | var node = typeof elem.getAttributeNode !== "undefined" && |
|
1154 | elem.getAttributeNode("id"); |
|
1155 | return node && node.value === attrId; |
|
1156 | }; |
|
1157 | }; |
|
1158 | } |
|
1159 | ||
1160 | // Tag |
|
1161 | Expr.find["TAG"] = support.getElementsByTagName ? |
|
1162 | function( tag, context ) { |
|
1163 | if ( typeof context.getElementsByTagName !== "undefined" ) { |
|
1164 | return context.getElementsByTagName( tag ); |
|
1165 | ||
1166 | // DocumentFragment nodes don't have gEBTN |
|
1167 | } else if ( support.qsa ) { |
|
1168 | return context.querySelectorAll( tag ); |
|
1169 | } |
|
1170 | } : |
|
1171 | ||
1172 | function( tag, context ) { |
|
1173 | var elem, |
|
1174 | tmp = [], |
|
1175 | i = 0, |
|
1176 | // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too |
|
1177 | results = context.getElementsByTagName( tag ); |
|
1178 | ||
1179 | // Filter out possible comments |
|
1180 | if ( tag === "*" ) { |
|
1181 | while ( (elem = results[i++]) ) { |
|
1182 | if ( elem.nodeType === 1 ) { |
|
1183 | tmp.push( elem ); |
|
1184 | } |
|
1185 | } |
|
1186 | ||
1187 | return tmp; |
|
1188 | } |
|
1189 | return results; |
|
1190 | }; |
|
1191 | ||
1192 | // Class |
|
1193 | Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) { |
|
1194 | if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) { |
|
1195 | return context.getElementsByClassName( className ); |
|
1196 | } |
|
1197 | }; |
|
1198 | ||
1199 | /* QSA/matchesSelector |
|
1200 | ---------------------------------------------------------------------- */ |
|
1201 | ||
1202 | // QSA and matchesSelector support |
|
1203 | ||
1204 | // matchesSelector(:active) reports false when true (IE9/Opera 11.5) |
|
1205 | rbuggyMatches = []; |
|
1206 | ||
1207 | // qSa(:focus) reports false when true (Chrome 21) |
|
1208 | // We allow this because of a bug in IE8/9 that throws an error |
|
1209 | // whenever `document.activeElement` is accessed on an iframe |
|
1210 | // So, we allow :focus to pass through QSA all the time to avoid the IE error |
|
1211 | // See http://bugs.jquery.com/ticket/13378 |
|
1212 | rbuggyQSA = []; |
|
1213 | ||
1214 | if ( (support.qsa = rnative.test( document.querySelectorAll )) ) { |
|
1215 | // Build QSA regex |
|
1216 | // Regex strategy adopted from Diego Perini |
|
1217 | assert(function( div ) { |
|
1218 | // Select is set to empty string on purpose |
|
1219 | // This is to test IE's treatment of not explicitly |
|
1220 | // setting a boolean content attribute, |
|
1221 | // since its presence should be enough |
|
1222 | // http://bugs.jquery.com/ticket/12359 |
|
1223 | docElem.appendChild( div ).innerHTML = "<a id='" + expando + "'></a>" + |
|
1224 | "<select id='" + expando + "-\r\\' msallowcapture=''>" + |
|
1225 | "<option selected=''></option></select>"; |
|
1226 | ||
1227 | // Support: IE8, Opera 11-12.16 |
|
1228 | // Nothing should be selected when empty strings follow ^= or $= or *= |
|
1229 | // The test attribute must be unknown in Opera but "safe" for WinRT |
|
1230 | // http://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section |
|
1231 | if ( div.querySelectorAll("[msallowcapture^='']").length ) { |
|
1232 | rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" ); |
|
1233 | } |
|
1234 | ||
1235 | // Support: IE8 |
|
1236 | // Boolean attributes and "value" are not treated correctly |
|
1237 | if ( !div.querySelectorAll("[selected]").length ) { |
|
1238 | rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" ); |
|
1239 | } |
|
1240 | ||
1241 | // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+ |
|
1242 | if ( !div.querySelectorAll( "[id~=" + expando + "-]" ).length ) { |
|
1243 | rbuggyQSA.push("~="); |
|
1244 | } |
|
1245 | ||
1246 | // Webkit/Opera - :checked should return selected option elements |
|
1247 | // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked |
|
1248 | // IE8 throws error here and will not see later tests |
|
1249 | if ( !div.querySelectorAll(":checked").length ) { |
|
1250 | rbuggyQSA.push(":checked"); |
|
1251 | } |
|
1252 | ||
1253 | // Support: Safari 8+, iOS 8+ |
|
1254 | // https://bugs.webkit.org/show_bug.cgi?id=136851 |
|
1255 | // In-page `selector#id sibing-combinator selector` fails |
|
1256 | if ( !div.querySelectorAll( "a#" + expando + "+*" ).length ) { |
|
1257 | rbuggyQSA.push(".#.+[+~]"); |
|
1258 | } |
|
1259 | }); |
|
1260 | ||
1261 | assert(function( div ) { |
|
1262 | // Support: Windows 8 Native Apps |
|
1263 | // The type and name attributes are restricted during .innerHTML assignment |
|
1264 | var input = document.createElement("input"); |
|
1265 | input.setAttribute( "type", "hidden" ); |
|
1266 | div.appendChild( input ).setAttribute( "name", "D" ); |
|
1267 | ||
1268 | // Support: IE8 |
|
1269 | // Enforce case-sensitivity of name attribute |
|
1270 | if ( div.querySelectorAll("[name=d]").length ) { |
|
1271 | rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" ); |
|
1272 | } |
|
1273 | ||
1274 | // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) |
|
1275 | // IE8 throws error here and will not see later tests |
|
1276 | if ( !div.querySelectorAll(":enabled").length ) { |
|
1277 | rbuggyQSA.push( ":enabled", ":disabled" ); |
|
1278 | } |
|
1279 | ||
1280 | // Opera 10-11 does not throw on post-comma invalid pseudos |
|
1281 | div.querySelectorAll("*,:x"); |
|
1282 | rbuggyQSA.push(",.*:"); |
|
1283 | }); |
|
1284 | } |
|
1285 | ||
1286 | if ( (support.matchesSelector = rnative.test( (matches = docElem.matches || |
|
1287 | docElem.webkitMatchesSelector || |
|
1288 | docElem.mozMatchesSelector || |
|
1289 | docElem.oMatchesSelector || |
|
1290 | docElem.msMatchesSelector) )) ) { |
|
1291 | ||
1292 | assert(function( div ) { |
|
1293 | // Check to see if it's possible to do matchesSelector |
|
1294 | // on a disconnected node (IE 9) |
|
1295 | support.disconnectedMatch = matches.call( div, "div" ); |
|
1296 | ||
1297 | // This should fail with an exception |
|
1298 | // Gecko does not error, returns false instead |
|
1299 | matches.call( div, "[s!='']:x" ); |
|
1300 | rbuggyMatches.push( "!=", pseudos ); |
|
1301 | }); |
|
1302 | } |
|
1303 | ||
1304 | rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") ); |
|
1305 | rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") ); |
|
1306 | ||
1307 | /* Contains |
|
1308 | ---------------------------------------------------------------------- */ |
|
1309 | hasCompare = rnative.test( docElem.compareDocumentPosition ); |
|
1310 | ||
1311 | // Element contains another |
|
1312 | // Purposefully self-exclusive |
|
1313 | // As in, an element does not contain itself |
|
1314 | contains = hasCompare || rnative.test( docElem.contains ) ? |
|
1315 | function( a, b ) { |
|
1316 | var adown = a.nodeType === 9 ? a.documentElement : a, |
|
1317 | bup = b && b.parentNode; |
|
1318 | return a === bup || !!( bup && bup.nodeType === 1 && ( |
|
1319 | adown.contains ? |
|
1320 | adown.contains( bup ) : |
|
1321 | a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16 |
|
1322 | )); |
|
1323 | } : |
|
1324 | function( a, b ) { |
|
1325 | if ( b ) { |
|
1326 | while ( (b = b.parentNode) ) { |
|
1327 | if ( b === a ) { |
|
1328 | return true; |
|
1329 | } |
|
1330 | } |
|
1331 | } |
|
1332 | return false; |
|
1333 | }; |
|
1334 | ||
1335 | /* Sorting |
|
1336 | ---------------------------------------------------------------------- */ |
|
1337 | ||
1338 | // Document order sorting |
|
1339 | sortOrder = hasCompare ? |
|
1340 | function( a, b ) { |
|
1341 | ||
1342 | // Flag for duplicate removal |
|
1343 | if ( a === b ) { |
|
1344 | hasDuplicate = true; |
|
1345 | return 0; |
|
1346 | } |
|
1347 | ||
1348 | // Sort on method existence if only one input has compareDocumentPosition |
|
1349 | var compare = !a.compareDocumentPosition - !b.compareDocumentPosition; |
|
1350 | if ( compare ) { |
|
1351 | return compare; |
|
1352 | } |
|
1353 | ||
1354 | // Calculate position if both inputs belong to the same document |
|
1355 | compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ? |
|
1356 | a.compareDocumentPosition( b ) : |
|
1357 | ||
1358 | // Otherwise we know they are disconnected |
|
1359 | 1; |
|
1360 | ||
1361 | // Disconnected nodes |
|
1362 | if ( compare & 1 || |
|
1363 | (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) { |
|
1364 | ||
1365 | // Choose the first element that is related to our preferred document |
|
1366 | if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) { |
|
1367 | return -1; |
|
1368 | } |
|
1369 | if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) { |
|
1370 | return 1; |
|
1371 | } |
|
1372 | ||
1373 | // Maintain original order |
|
1374 | return sortInput ? |
|
1375 | ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : |
|
1376 | 0; |
|
1377 | } |
|
1378 | ||
1379 | return compare & 4 ? -1 : 1; |
|
1380 | } : |
|
1381 | function( a, b ) { |
|
1382 | // Exit early if the nodes are identical |
|
1383 | if ( a === b ) { |
|
1384 | hasDuplicate = true; |
|
1385 | return 0; |
|
1386 | } |
|
1387 | ||
1388 | var cur, |
|
1389 | i = 0, |
|
1390 | aup = a.parentNode, |
|
1391 | bup = b.parentNode, |
|
1392 | ap = [ a ], |
|
1393 | bp = [ b ]; |
|
1394 | ||
1395 | // Parentless nodes are either documents or disconnected |
|
1396 | if ( !aup || !bup ) { |
|
1397 | return a === document ? -1 : |
|
1398 | b === document ? 1 : |
|
1399 | aup ? -1 : |
|
1400 | bup ? 1 : |
|
1401 | sortInput ? |
|
1402 | ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : |
|
1403 | 0; |
|
1404 | ||
1405 | // If the nodes are siblings, we can do a quick check |
|
1406 | } else if ( aup === bup ) { |
|
1407 | return siblingCheck( a, b ); |
|
1408 | } |
|
1409 | ||
1410 | // Otherwise we need full lists of their ancestors for comparison |
|
1411 | cur = a; |
|
1412 | while ( (cur = cur.parentNode) ) { |
|
1413 | ap.unshift( cur ); |
|
1414 | } |
|
1415 | cur = b; |
|
1416 | while ( (cur = cur.parentNode) ) { |
|
1417 | bp.unshift( cur ); |
|
1418 | } |
|
1419 | ||
1420 | // Walk down the tree looking for a discrepancy |
|
1421 | while ( ap[i] === bp[i] ) { |
|
1422 | i++; |
|
1423 | } |
|
1424 | ||
1425 | return i ? |
|
1426 | // Do a sibling check if the nodes have a common ancestor |
|
1427 | siblingCheck( ap[i], bp[i] ) : |
|
1428 | ||
1429 | // Otherwise nodes in our document sort first |
|
1430 | ap[i] === preferredDoc ? -1 : |
|
1431 | bp[i] === preferredDoc ? 1 : |
|
1432 | 0; |
|
1433 | }; |
|
1434 | ||
1435 | return document; |
|
1436 | }; |
|
1437 | ||
1438 | Sizzle.matches = function( expr, elements ) { |
|
1439 | return Sizzle( expr, null, null, elements ); |
|
1440 | }; |
|
1441 | ||
1442 | Sizzle.matchesSelector = function( elem, expr ) { |
|
1443 | // Set document vars if needed |
|
1444 | if ( ( elem.ownerDocument || elem ) !== document ) { |
|
1445 | setDocument( elem ); |
|
1446 | } |
|
1447 | ||
1448 | // Make sure that attribute selectors are quoted |
|
1449 | expr = expr.replace( rattributeQuotes, "='$1']" ); |
|
1450 | ||
1451 | if ( support.matchesSelector && documentIsHTML && |
|
1452 | !compilerCache[ expr + " " ] && |
|
1453 | ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) && |
|
1454 | ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) { |
|
1455 | ||
1456 | try { |
|
1457 | var ret = matches.call( elem, expr ); |
|
1458 | ||
1459 | // IE 9's matchesSelector returns false on disconnected nodes |
|
1460 | if ( ret || support.disconnectedMatch || |
|
1461 | // As well, disconnected nodes are said to be in a document |
|
1462 | // fragment in IE 9 |
|
1463 | elem.document && elem.document.nodeType !== 11 ) { |
|
1464 | return ret; |
|
1465 | } |
|
1466 | } catch (e) {} |
|
1467 | } |
|
1468 | ||
1469 | return Sizzle( expr, document, null, [ elem ] ).length > 0; |
|
1470 | }; |
|
1471 | ||
1472 | Sizzle.contains = function( context, elem ) { |
|
1473 | // Set document vars if needed |
|
1474 | if ( ( context.ownerDocument || context ) !== document ) { |
|
1475 | setDocument( context ); |
|
1476 | } |
|
1477 | return contains( context, elem ); |
|
1478 | }; |
|
1479 | ||
1480 | Sizzle.attr = function( elem, name ) { |
|
1481 | // Set document vars if needed |
|
1482 | if ( ( elem.ownerDocument || elem ) !== document ) { |
|
1483 | setDocument( elem ); |
|
1484 | } |
|
1485 | ||
1486 | var fn = Expr.attrHandle[ name.toLowerCase() ], |
|
1487 | // Don't get fooled by Object.prototype properties (jQuery #13807) |
|
1488 | val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ? |
|
1489 | fn( elem, name, !documentIsHTML ) : |
|
1490 | undefined; |
|
1491 | ||
1492 | return val !== undefined ? |
|
1493 | val : |
|
1494 | support.attributes || !documentIsHTML ? |
|
1495 | elem.getAttribute( name ) : |
|
1496 | (val = elem.getAttributeNode(name)) && val.specified ? |
|
1497 | val.value : |
|
1498 | null; |
|
1499 | }; |
|
1500 | ||
1501 | Sizzle.error = function( msg ) { |
|
1502 | throw new Error( "Syntax error, unrecognized expression: " + msg ); |
|
1503 | }; |
|
1504 | ||
1505 | /** |
|
1506 | * Document sorting and removing duplicates |
|
1507 | * @param {ArrayLike} results |
|
1508 | */ |
|
1509 | Sizzle.uniqueSort = function( results ) { |
|
1510 | var elem, |
|
1511 | duplicates = [], |
|
1512 | j = 0, |
|
1513 | i = 0; |
|
1514 | ||
1515 | // Unless we *know* we can detect duplicates, assume their presence |
|
1516 | hasDuplicate = !support.detectDuplicates; |
|
1517 | sortInput = !support.sortStable && results.slice( 0 ); |
|
1518 | results.sort( sortOrder ); |
|
1519 | ||
1520 | if ( hasDuplicate ) { |
|
1521 | while ( (elem = results[i++]) ) { |
|
1522 | if ( elem === results[ i ] ) { |
|
1523 | j = duplicates.push( i ); |
|
1524 | } |
|
1525 | } |
|
1526 | while ( j-- ) { |
|
1527 | results.splice( duplicates[ j ], 1 ); |
|
1528 | } |
|
1529 | } |
|
1530 | ||
1531 | // Clear input after sorting to release objects |
|
1532 | // See https://github.com/jquery/sizzle/pull/225 |
|
1533 | sortInput = null; |
|
1534 | ||
1535 | return results; |
|
1536 | }; |
|
1537 | ||
1538 | /** |
|
1539 | * Utility function for retrieving the text value of an array of DOM nodes |
|
1540 | * @param {Array|Element} elem |
|
1541 | */ |
|
1542 | getText = Sizzle.getText = function( elem ) { |
|
1543 | var node, |
|
1544 | ret = "", |
|
1545 | i = 0, |
|
1546 | nodeType = elem.nodeType; |
|
1547 | ||
1548 | if ( !nodeType ) { |
|
1549 | // If no nodeType, this is expected to be an array |
|
1550 | while ( (node = elem[i++]) ) { |
|
1551 | // Do not traverse comment nodes |
|
1552 | ret += getText( node ); |
|
1553 | } |
|
1554 | } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) { |
|
1555 | // Use textContent for elements |
|
1556 | // innerText usage removed for consistency of new lines (jQuery #11153) |
|
1557 | if ( typeof elem.textContent === "string" ) { |
|
1558 | return elem.textContent; |
|
1559 | } else { |
|
1560 | // Traverse its children |
|
1561 | for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { |
|
1562 | ret += getText( elem ); |
|
1563 | } |
|
1564 | } |
|
1565 | } else if ( nodeType === 3 || nodeType === 4 ) { |
|
1566 | return elem.nodeValue; |
|
1567 | } |
|
1568 | // Do not include comment or processing instruction nodes |
|
1569 | ||
1570 | return ret; |
|
1571 | }; |
|
1572 | ||
1573 | Expr = Sizzle.selectors = { |
|
1574 | ||
1575 | // Can be adjusted by the user |
|
1576 | cacheLength: 50, |
|
1577 | ||
1578 | createPseudo: markFunction, |
|
1579 | ||
1580 | match: matchExpr, |
|
1581 | ||
1582 | attrHandle: {}, |
|
1583 | ||
1584 | find: {}, |
|
1585 | ||
1586 | relative: { |
|
1587 | ">": { dir: "parentNode", first: true }, |
|
1588 | " ": { dir: "parentNode" }, |
|
1589 | "+": { dir: "previousSibling", first: true }, |
|
1590 | "~": { dir: "previousSibling" } |
|
1591 | }, |
|
1592 | ||
1593 | preFilter: { |
|
1594 | "ATTR": function( match ) { |
|
1595 | match[1] = match[1].replace( runescape, funescape ); |
|
1596 | ||
1597 | // Move the given value to match[3] whether quoted or unquoted |
|
1598 | match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape ); |
|
1599 | ||
1600 | if ( match[2] === "~=" ) { |
|
1601 | match[3] = " " + match[3] + " "; |
|
1602 | } |
|
1603 | ||
1604 | return match.slice( 0, 4 ); |
|
1605 | }, |
|
1606 | ||
1607 | "CHILD": function( match ) { |
|
1608 | /* matches from matchExpr["CHILD"] |
|
1609 | 1 type (only|nth|...) |
|
1610 | 2 what (child|of-type) |
|
1611 | 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...) |
|
1612 | 4 xn-component of xn+y argument ([+-]?\d*n|) |
|
1613 | 5 sign of xn-component |
|
1614 | 6 x of xn-component |
|
1615 | 7 sign of y-component |
|
1616 | 8 y of y-component |
|
1617 | */ |
|
1618 | match[1] = match[1].toLowerCase(); |
|
1619 | ||
1620 | if ( match[1].slice( 0, 3 ) === "nth" ) { |
|
1621 | // nth-* requires argument |
|
1622 | if ( !match[3] ) { |
|
1623 | Sizzle.error( match[0] ); |
|
1624 | } |
|
1625 | ||
1626 | // numeric x and y parameters for Expr.filter.CHILD |
|
1627 | // remember that false/true cast respectively to 0/1 |
|
1628 | match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) ); |
|
1629 | match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" ); |
|
1630 | ||
1631 | // other types prohibit arguments |
|
1632 | } else if ( match[3] ) { |
|
1633 | Sizzle.error( match[0] ); |
|
1634 | } |
|
1635 | ||
1636 | return match; |
|
1637 | }, |
|
1638 | ||
1639 | "PSEUDO": function( match ) { |
|
1640 | var excess, |
|
1641 | unquoted = !match[6] && match[2]; |
|
1642 | ||
1643 | if ( matchExpr["CHILD"].test( match[0] ) ) { |
|
1644 | return null; |
|
1645 | } |
|
1646 | ||
1647 | // Accept quoted arguments as-is |
|
1648 | if ( match[3] ) { |
|
1649 | match[2] = match[4] || match[5] || ""; |
|
1650 | ||
1651 | // Strip excess characters from unquoted arguments |
|
1652 | } else if ( unquoted && rpseudo.test( unquoted ) && |
|
1653 | // Get excess from tokenize (recursively) |
|
1654 | (excess = tokenize( unquoted, true )) && |
|
1655 | // advance to the next closing parenthesis |
|
1656 | (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) { |
|
1657 | ||
1658 | // excess is a negative index |
|
1659 | match[0] = match[0].slice( 0, excess ); |
|
1660 | match[2] = unquoted.slice( 0, excess ); |
|
1661 | } |
|
1662 | ||
1663 | // Return only captures needed by the pseudo filter method (type and argument) |
|
1664 | return match.slice( 0, 3 ); |
|
1665 | } |
|
1666 | }, |
|
1667 | ||
1668 | filter: { |
|
1669 | ||
1670 | "TAG": function( nodeNameSelector ) { |
|
1671 | var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase(); |
|
1672 | return nodeNameSelector === "*" ? |
|
1673 | function() { return true; } : |
|
1674 | function( elem ) { |
|
1675 | return elem.nodeName && elem.nodeName.toLowerCase() === nodeName; |
|
1676 | }; |
|
1677 | }, |
|
1678 | ||
1679 | "CLASS": function( className ) { |
|
1680 | var pattern = classCache[ className + " " ]; |
|
1681 | ||
1682 | return pattern || |
|
1683 | (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) && |
|
1684 | classCache( className, function( elem ) { |
|
1685 | return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" ); |
|
1686 | }); |
|
1687 | }, |
|
1688 | ||
1689 | "ATTR": function( name, operator, check ) { |
|
1690 | return function( elem ) { |
|
1691 | var result = Sizzle.attr( elem, name ); |
|
1692 | ||
1693 | if ( result == null ) { |
|
1694 | return operator === "!="; |
|
1695 | } |
|
1696 | if ( !operator ) { |
|
1697 | return true; |
|
1698 | } |
|
1699 | ||
1700 | result += ""; |
|
1701 | ||
1702 | return operator === "=" ? result === check : |
|
1703 | operator === "!=" ? result !== check : |
|
1704 | operator === "^=" ? check && result.indexOf( check ) === 0 : |
|
1705 | operator === "*=" ? check && result.indexOf( check ) > -1 : |
|
1706 | operator === "$=" ? check && result.slice( -check.length ) === check : |
|
1707 | operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 : |
|
1708 | operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" : |
|
1709 | false; |
|
1710 | }; |
|
1711 | }, |
|
1712 | ||
1713 | "CHILD": function( type, what, argument, first, last ) { |
|
1714 | var simple = type.slice( 0, 3 ) !== "nth", |
|
1715 | forward = type.slice( -4 ) !== "last", |
|
1716 | ofType = what === "of-type"; |
|
1717 | ||
1718 | return first === 1 && last === 0 ? |
|
1719 | ||
1720 | // Shortcut for :nth-*(n) |
|
1721 | function( elem ) { |
|
1722 | return !!elem.parentNode; |
|
1723 | } : |
|
1724 | ||
1725 | function( elem, context, xml ) { |
|
1726 | var cache, uniqueCache, outerCache, node, nodeIndex, start, |
|
1727 | dir = simple !== forward ? "nextSibling" : "previousSibling", |
|
1728 | parent = elem.parentNode, |
|
1729 | name = ofType && elem.nodeName.toLowerCase(), |
|
1730 | useCache = !xml && !ofType, |
|
1731 | diff = false; |
|
1732 | ||
1733 | if ( parent ) { |
|
1734 | ||
1735 | // :(first|last|only)-(child|of-type) |
|
1736 | if ( simple ) { |
|
1737 | while ( dir ) { |
|
1738 | node = elem; |
|
1739 | while ( (node = node[ dir ]) ) { |
|
1740 | if ( ofType ? |
|
1741 | node.nodeName.toLowerCase() === name : |
|
1742 | node.nodeType === 1 ) { |
|
1743 | ||
1744 | return false; |
|
1745 | } |
|
1746 | } |
|
1747 | // Reverse direction for :only-* (if we haven't yet done so) |
|
1748 | start = dir = type === "only" && !start && "nextSibling"; |
|
1749 | } |
|
1750 | return true; |
|
1751 | } |
|
1752 | ||
1753 | start = [ forward ? parent.firstChild : parent.lastChild ]; |
|
1754 | ||
1755 | // non-xml :nth-child(...) stores cache data on `parent` |
|
1756 | if ( forward && useCache ) { |
|
1757 | ||
1758 | // Seek `elem` from a previously-cached index |
|
1759 | ||
1760 | // ...in a gzip-friendly way |
|
1761 | node = parent; |
|
1762 | outerCache = node[ expando ] || (node[ expando ] = {}); |
|
1763 | ||
1764 | // Support: IE <9 only |
|
1765 | // Defend against cloned attroperties (jQuery gh-1709) |
|
1766 | uniqueCache = outerCache[ node.uniqueID ] || |
|
1767 | (outerCache[ node.uniqueID ] = {}); |
|
1768 | ||
1769 | cache = uniqueCache[ type ] || []; |
|
1770 | nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; |
|
1771 | diff = nodeIndex && cache[ 2 ]; |
|
1772 | node = nodeIndex && parent.childNodes[ nodeIndex ]; |
|
1773 | ||
1774 | while ( (node = ++nodeIndex && node && node[ dir ] || |
|
1775 | ||
1776 | // Fallback to seeking `elem` from the start |
|
1777 | (diff = nodeIndex = 0) || start.pop()) ) { |
|
1778 | ||
1779 | // When found, cache indexes on `parent` and break |
|
1780 | if ( node.nodeType === 1 && ++diff && node === elem ) { |
|
1781 | uniqueCache[ type ] = [ dirruns, nodeIndex, diff ]; |
|
1782 | break; |
|
1783 | } |
|
1784 | } |
|
1785 | ||
1786 | } else { |
|
1787 | // Use previously-cached element index if available |
|
1788 | if ( useCache ) { |
|
1789 | // ...in a gzip-friendly way |
|
1790 | node = elem; |
|
1791 | outerCache = node[ expando ] || (node[ expando ] = {}); |
|
1792 | ||
1793 | // Support: IE <9 only |
|
1794 | // Defend against cloned attroperties (jQuery gh-1709) |
|
1795 | uniqueCache = outerCache[ node.uniqueID ] || |
|
1796 | (outerCache[ node.uniqueID ] = {}); |
|
1797 | ||
1798 | cache = uniqueCache[ type ] || []; |
|
1799 | nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; |
|
1800 | diff = nodeIndex; |
|
1801 | } |
|
1802 | ||
1803 | // xml :nth-child(...) |
|
1804 | // or :nth-last-child(...) or :nth(-last)?-of-type(...) |
|
1805 | if ( diff === false ) { |
|
1806 | // Use the same loop as above to seek `elem` from the start |
|
1807 | while ( (node = ++nodeIndex && node && node[ dir ] || |
|
1808 | (diff = nodeIndex = 0) || start.pop()) ) { |
|
1809 | ||
1810 | if ( ( ofType ? |
|
1811 | node.nodeName.toLowerCase() === name : |
|
1812 | node.nodeType === 1 ) && |
|
1813 | ++diff ) { |
|
1814 | ||
1815 | // Cache the index of each encountered element |
|
1816 | if ( useCache ) { |
|
1817 | outerCache = node[ expando ] || (node[ expando ] = {}); |
|
1818 | ||
1819 | // Support: IE <9 only |
|
1820 | // Defend against cloned attroperties (jQuery gh-1709) |
|
1821 | uniqueCache = outerCache[ node.uniqueID ] || |
|
1822 | (outerCache[ node.uniqueID ] = {}); |
|
1823 | ||
1824 | uniqueCache[ type ] = [ dirruns, diff ]; |
|
1825 | } |
|
1826 | ||
1827 | if ( node === elem ) { |
|
1828 | break; |
|
1829 | } |
|
1830 | } |
|
1831 | } |
|
1832 | } |
|
1833 | } |
|
1834 | ||
1835 | // Incorporate the offset, then check against cycle size |
|
1836 | diff -= last; |
|
1837 | return diff === first || ( diff % first === 0 && diff / first >= 0 ); |
|
1838 | } |
|
1839 | }; |
|
1840 | }, |
|
1841 | ||
1842 | "PSEUDO": function( pseudo, argument ) { |
|
1843 | // pseudo-class names are case-insensitive |
|
1844 | // http://www.w3.org/TR/selectors/#pseudo-classes |
|
1845 | // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters |
|
1846 | // Remember that setFilters inherits from pseudos |
|
1847 | var args, |
|
1848 | fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] || |
|
1849 | Sizzle.error( "unsupported pseudo: " + pseudo ); |
|
1850 | ||
1851 | // The user may use createPseudo to indicate that |
|
1852 | // arguments are needed to create the filter function |
|
1853 | // just as Sizzle does |
|
1854 | if ( fn[ expando ] ) { |
|
1855 | return fn( argument ); |
|
1856 | } |
|
1857 | ||
1858 | // But maintain support for old signatures |
|
1859 | if ( fn.length > 1 ) { |
|
1860 | args = [ pseudo, pseudo, "", argument ]; |
|
1861 | return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ? |
|
1862 | markFunction(function( seed, matches ) { |
|
1863 | var idx, |
|
1864 | matched = fn( seed, argument ), |
|
1865 | i = matched.length; |
|
1866 | while ( i-- ) { |
|
1867 | idx = indexOf( seed, matched[i] ); |
|
1868 | seed[ idx ] = !( matches[ idx ] = matched[i] ); |
|
1869 | } |
|
1870 | }) : |
|
1871 | function( elem ) { |
|
1872 | return fn( elem, 0, args ); |
|
1873 | }; |
|
1874 | } |
|
1875 | ||
1876 | return fn; |
|
1877 | } |
|
1878 | }, |
|
1879 | ||
1880 | pseudos: { |
|
1881 | // Potentially complex pseudos |
|
1882 | "not": markFunction(function( selector ) { |
|
1883 | // Trim the selector passed to compile |
|
1884 | // to avoid treating leading and trailing |
|
1885 | // spaces as combinators |
|
1886 | var input = [], |
|
1887 | results = [], |
|
1888 | matcher = compile( selector.replace( rtrim, "$1" ) ); |
|
1889 | ||
1890 | return matcher[ expando ] ? |
|
1891 | markFunction(function( seed, matches, context, xml ) { |
|
1892 | var elem, |
|
1893 | unmatched = matcher( seed, null, xml, [] ), |
|
1894 | i = seed.length; |
|
1895 | ||
1896 | // Match elements unmatched by `matcher` |
|
1897 | while ( i-- ) { |
|
1898 | if ( (elem = unmatched[i]) ) { |
|
1899 | seed[i] = !(matches[i] = elem); |
|
1900 | } |
|
1901 | } |
|
1902 | }) : |
|
1903 | function( elem, context, xml ) { |
|
1904 | input[0] = elem; |
|
1905 | matcher( input, null, xml, results ); |
|
1906 | // Don't keep the element (issue #299) |
|
1907 | input[0] = null; |
|
1908 | return !results.pop(); |
|
1909 | }; |
|
1910 | }), |
|
1911 | ||
1912 | "has": markFunction(function( selector ) { |
|
1913 | return function( elem ) { |
|
1914 | return Sizzle( selector, elem ).length > 0; |
|
1915 | }; |
|
1916 | }), |
|
1917 | ||
1918 | "contains": markFunction(function( text ) { |
|
1919 | text = text.replace( runescape, funescape ); |
|
1920 | return function( elem ) { |
|
1921 | return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1; |
|
1922 | }; |
|
1923 | }), |
|
1924 | ||
1925 | // "Whether an element is represented by a :lang() selector |
|
1926 | // is based solely on the element's language value |
|
1927 | // being equal to the identifier C, |
|
1928 | // or beginning with the identifier C immediately followed by "-". |
|
1929 | // The matching of C against the element's language value is performed case-insensitively. |
|
1930 | // The identifier C does not have to be a valid language name." |
|
1931 | // http://www.w3.org/TR/selectors/#lang-pseudo |
|
1932 | "lang": markFunction( function( lang ) { |
|
1933 | // lang value must be a valid identifier |
|
1934 | if ( !ridentifier.test(lang || "") ) { |
|
1935 | Sizzle.error( "unsupported lang: " + lang ); |
|
1936 | } |
|
1937 | lang = lang.replace( runescape, funescape ).toLowerCase(); |
|
1938 | return function( elem ) { |
|
1939 | var elemLang; |
|
1940 | do { |
|
1941 | if ( (elemLang = documentIsHTML ? |
|
1942 | elem.lang : |
|
1943 | elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) { |
|
1944 | ||
1945 | elemLang = elemLang.toLowerCase(); |
|
1946 | return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0; |
|
1947 | } |
|
1948 | } while ( (elem = elem.parentNode) && elem.nodeType === 1 ); |
|
1949 | return false; |
|
1950 | }; |
|
1951 | }), |
|
1952 | ||
1953 | // Miscellaneous |
|
1954 | "target": function( elem ) { |
|
1955 | var hash = window.location && window.location.hash; |
|
1956 | return hash && hash.slice( 1 ) === elem.id; |
|
1957 | }, |
|
1958 | ||
1959 | "root": function( elem ) { |
|
1960 | return elem === docElem; |
|
1961 | }, |
|
1962 | ||
1963 | "focus": function( elem ) { |
|
1964 | return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex); |
|
1965 | }, |
|
1966 | ||
1967 | // Boolean properties |
|
1968 | "enabled": function( elem ) { |
|
1969 | return elem.disabled === false; |
|
1970 | }, |
|
1971 | ||
1972 | "disabled": function( elem ) { |
|
1973 | return elem.disabled === true; |
|
1974 | }, |
|
1975 | ||
1976 | "checked": function( elem ) { |
|
1977 | // In CSS3, :checked should return both checked and selected elements |
|
1978 | // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked |
|
1979 | var nodeName = elem.nodeName.toLowerCase(); |
|
1980 | return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected); |
|
1981 | }, |
|
1982 | ||
1983 | "selected": function( elem ) { |
|
1984 | // Accessing this property makes selected-by-default |
|
1985 | // options in Safari work properly |
|
1986 | if ( elem.parentNode ) { |
|
1987 | elem.parentNode.selectedIndex; |
|
1988 | } |
|
1989 | ||
1990 | return elem.selected === true; |
|
1991 | }, |
|
1992 | ||
1993 | // Contents |
|
1994 | "empty": function( elem ) { |
|
1995 | // http://www.w3.org/TR/selectors/#empty-pseudo |
|
1996 | // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5), |
|
1997 | // but not by others (comment: 8; processing instruction: 7; etc.) |
|
1998 | // nodeType < 6 works because attributes (2) do not appear as children |
|
1999 | for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { |
|
2000 | if ( elem.nodeType < 6 ) { |
|
2001 | return false; |
|
2002 | } |
|
2003 | } |
|
2004 | return true; |
|
2005 | }, |
|
2006 | ||
2007 | "parent": function( elem ) { |
|
2008 | return !Expr.pseudos["empty"]( elem ); |
|
2009 | }, |
|
2010 | ||
2011 | // Element/input types |
|
2012 | "header": function( elem ) { |
|
2013 | return rheader.test( elem.nodeName ); |
|
2014 | }, |
|
2015 | ||
2016 | "input": function( elem ) { |
|
2017 | return rinputs.test( elem.nodeName ); |
|
2018 | }, |
|
2019 | ||
2020 | "button": function( elem ) { |
|
2021 | var name = elem.nodeName.toLowerCase(); |
|
2022 | return name === "input" && elem.type === "button" || name === "button"; |
|
2023 | }, |
|
2024 | ||
2025 | "text": function( elem ) { |
|
2026 | var attr; |
|
2027 | return elem.nodeName.toLowerCase() === "input" && |
|
2028 | elem.type === "text" && |
|
2029 | ||
2030 | // Support: IE<8 |
|
2031 | // New HTML5 attribute values (e.g., "search") appear with elem.type === "text" |
|
2032 | ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" ); |
|
2033 | }, |
|
2034 | ||
2035 | // Position-in-collection |
|
2036 | "first": createPositionalPseudo(function() { |
|
2037 | return [ 0 ]; |
|
2038 | }), |
|
2039 | ||
2040 | "last": createPositionalPseudo(function( matchIndexes, length ) { |
|
2041 | return [ length - 1 ]; |
|
2042 | }), |
|
2043 | ||
2044 | "eq": createPositionalPseudo(function( matchIndexes, length, argument ) { |
|
2045 | return [ argument < 0 ? argument + length : argument ]; |
|
2046 | }), |
|
2047 | ||
2048 | "even": createPositionalPseudo(function( matchIndexes, length ) { |
|
2049 | var i = 0; |
|
2050 | for ( ; i < length; i += 2 ) { |
|
2051 | matchIndexes.push( i ); |
|
2052 | } |
|
2053 | return matchIndexes; |
|
2054 | }), |
|
2055 | ||
2056 | "odd": createPositionalPseudo(function( matchIndexes, length ) { |
|
2057 | var i = 1; |
|
2058 | for ( ; i < length; i += 2 ) { |
|
2059 | matchIndexes.push( i ); |
|
2060 | } |
|
2061 | return matchIndexes; |
|
2062 | }), |
|
2063 | ||
2064 | "lt": createPositionalPseudo(function( matchIndexes, length, argument ) { |
|
2065 | var i = argument < 0 ? argument + length : argument; |
|
2066 | for ( ; --i >= 0; ) { |
|
2067 | matchIndexes.push( i ); |
|
2068 | } |
|
2069 | return matchIndexes; |
|
2070 | }), |
|
2071 | ||
2072 | "gt": createPositionalPseudo(function( matchIndexes, length, argument ) { |
|
2073 | var i = argument < 0 ? argument + length : argument; |
|
2074 | for ( ; ++i < length; ) { |
|
2075 | matchIndexes.push( i ); |
|
2076 | } |
|
2077 | return matchIndexes; |
|
2078 | }) |
|
2079 | } |
|
2080 | }; |
|
2081 | ||
2082 | Expr.pseudos["nth"] = Expr.pseudos["eq"]; |
|
2083 | ||
2084 | // Add button/input type pseudos |
|
2085 | for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) { |
|
2086 | Expr.pseudos[ i ] = createInputPseudo( i ); |
|
2087 | } |
|
2088 | for ( i in { submit: true, reset: true } ) { |
|
2089 | Expr.pseudos[ i ] = createButtonPseudo( i ); |
|
2090 | } |
|
2091 | ||
2092 | // Easy API for creating new setFilters |
|
2093 | function setFilters() {} |
|
2094 | setFilters.prototype = Expr.filters = Expr.pseudos; |
|
2095 | Expr.setFilters = new setFilters(); |
|
2096 | ||
2097 | tokenize = Sizzle.tokenize = function( selector, parseOnly ) { |
|
2098 | var matched, match, tokens, type, |
|
2099 | soFar, groups, preFilters, |
|
2100 | cached = tokenCache[ selector + " " ]; |
|
2101 | ||
2102 | if ( cached ) { |
|
2103 | return parseOnly ? 0 : cached.slice( 0 ); |
|
2104 | } |
|
2105 | ||
2106 | soFar = selector; |
|
2107 | groups = []; |
|
2108 | preFilters = Expr.preFilter; |
|
2109 | ||
2110 | while ( soFar ) { |
|
2111 | ||
2112 | // Comma and first run |
|
2113 | if ( !matched || (match = rcomma.exec( soFar )) ) { |
|
2114 | if ( match ) { |
|
2115 | // Don't consume trailing commas as valid |
|
2116 | soFar = soFar.slice( match[0].length ) || soFar; |
|
2117 | } |
|
2118 | groups.push( (tokens = []) ); |
|
2119 | } |
|
2120 | ||
2121 | matched = false; |
|
2122 | ||
2123 | // Combinators |
|
2124 | if ( (match = rcombinators.exec( soFar )) ) { |
|
2125 | matched = match.shift(); |
|
2126 | tokens.push({ |
|
2127 | value: matched, |
|
2128 | // Cast descendant combinators to space |
|
2129 | type: match[0].replace( rtrim, " " ) |
|
2130 | }); |
|
2131 | soFar = soFar.slice( matched.length ); |
|
2132 | } |
|
2133 | ||
2134 | // Filters |
|
2135 | for ( type in Expr.filter ) { |
|
2136 | if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] || |
|
2137 | (match = preFilters[ type ]( match ))) ) { |
|
2138 | matched = match.shift(); |
|
2139 | tokens.push({ |
|
2140 | value: matched, |
|
2141 | type: type, |
|
2142 | matches: match |
|
2143 | }); |
|
2144 | soFar = soFar.slice( matched.length ); |
|
2145 | } |
|
2146 | } |
|
2147 | ||
2148 | if ( !matched ) { |
|
2149 | break; |
|
2150 | } |
|
2151 | } |
|
2152 | ||
2153 | // Return the length of the invalid excess |
|
2154 | // if we're just parsing |
|
2155 | // Otherwise, throw an error or return tokens |
|
2156 | return parseOnly ? |
|
2157 | soFar.length : |
|
2158 | soFar ? |
|
2159 | Sizzle.error( selector ) : |
|
2160 | // Cache the tokens |
|
2161 | tokenCache( selector, groups ).slice( 0 ); |
|
2162 | }; |
|
2163 | ||
2164 | function toSelector( tokens ) { |
|
2165 | var i = 0, |
|
2166 | len = tokens.length, |
|
2167 | selector = ""; |
|
2168 | for ( ; i < len; i++ ) { |
|
2169 | selector += tokens[i].value; |
|
2170 | } |
|
2171 | return selector; |
|
2172 | } |
|
2173 | ||
2174 | function addCombinator( matcher, combinator, base ) { |
|
2175 | var dir = combinator.dir, |
|
2176 | checkNonElements = base && dir === "parentNode", |
|
2177 | doneName = done++; |
|
2178 | ||
2179 | return combinator.first ? |
|
2180 | // Check against closest ancestor/preceding element |
|
2181 | function( elem, context, xml ) { |
|
2182 | while ( (elem = elem[ dir ]) ) { |
|
2183 | if ( elem.nodeType === 1 || checkNonElements ) { |
|
2184 | return matcher( elem, context, xml ); |
|
2185 | } |
|
2186 | } |
|
2187 | } : |
|
2188 | ||
2189 | // Check against all ancestor/preceding elements |
|
2190 | function( elem, context, xml ) { |
|
2191 | var oldCache, uniqueCache, outerCache, |
|
2192 | newCache = [ dirruns, doneName ]; |
|
2193 | ||
2194 | // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching |
|
2195 | if ( xml ) { |
|
2196 | while ( (elem = elem[ dir ]) ) { |
|
2197 | if ( elem.nodeType === 1 || checkNonElements ) { |
|
2198 | if ( matcher( elem, context, xml ) ) { |
|
2199 | return true; |
|
2200 | } |
|
2201 | } |
|
2202 | } |
|
2203 | } else { |
|
2204 | while ( (elem = elem[ dir ]) ) { |
|
2205 | if ( elem.nodeType === 1 || checkNonElements ) { |
|
2206 | outerCache = elem[ expando ] || (elem[ expando ] = {}); |
|
2207 | ||
2208 | // Support: IE <9 only |
|
2209 | // Defend against cloned attroperties (jQuery gh-1709) |
|
2210 | uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {}); |
|
2211 | ||
2212 | if ( (oldCache = uniqueCache[ dir ]) && |
|
2213 | oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) { |
|
2214 | ||
2215 | // Assign to newCache so results back-propagate to previous elements |
|
2216 | return (newCache[ 2 ] = oldCache[ 2 ]); |
|
2217 | } else { |
|
2218 | // Reuse newcache so results back-propagate to previous elements |
|
2219 | uniqueCache[ dir ] = newCache; |
|
2220 | ||
2221 | // A match means we're done; a fail means we have to keep checking |
|
2222 | if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) { |
|
2223 | return true; |
|
2224 | } |
|
2225 | } |
|
2226 | } |
|
2227 | } |
|
2228 | } |
|
2229 | }; |
|
2230 | } |
|
2231 | ||
2232 | function elementMatcher( matchers ) { |
|
2233 | return matchers.length > 1 ? |
|
2234 | function( elem, context, xml ) { |
|
2235 | var i = matchers.length; |
|
2236 | while ( i-- ) { |
|
2237 | if ( !matchers[i]( elem, context, xml ) ) { |
|
2238 | return false; |
|
2239 | } |
|
2240 | } |
|
2241 | return true; |
|
2242 | } : |
|
2243 | matchers[0]; |
|
2244 | } |
|
2245 | ||
2246 | function multipleContexts( selector, contexts, results ) { |
|
2247 | var i = 0, |
|
2248 | len = contexts.length; |
|
2249 | for ( ; i < len; i++ ) { |
|
2250 | Sizzle( selector, contexts[i], results ); |
|
2251 | } |
|
2252 | return results; |
|
2253 | } |
|
2254 | ||
2255 | function condense( unmatched, map, filter, context, xml ) { |
|
2256 | var elem, |
|
2257 | newUnmatched = [], |
|
2258 | i = 0, |
|
2259 | len = unmatched.length, |
|
2260 | mapped = map != null; |
|
2261 | ||
2262 | for ( ; i < len; i++ ) { |
|
2263 | if ( (elem = unmatched[i]) ) { |
|
2264 | if ( !filter || filter( elem, context, xml ) ) { |
|
2265 | newUnmatched.push( elem ); |
|
2266 | if ( mapped ) { |
|
2267 | map.push( i ); |
|
2268 | } |
|
2269 | } |
|
2270 | } |
|
2271 | } |
|
2272 | ||
2273 | return newUnmatched; |
|
2274 | } |
|
2275 | ||
2276 | function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) { |
|
2277 | if ( postFilter && !postFilter[ expando ] ) { |
|
2278 | postFilter = setMatcher( postFilter ); |
|
2279 | } |
|
2280 | if ( postFinder && !postFinder[ expando ] ) { |
|
2281 | postFinder = setMatcher( postFinder, postSelector ); |
|
2282 | } |
|
2283 | return markFunction(function( seed, results, context, xml ) { |
|
2284 | var temp, i, elem, |
|
2285 | preMap = [], |
|
2286 | postMap = [], |
|
2287 | preexisting = results.length, |
|
2288 | ||
2289 | // Get initial elements from seed or context |
|
2290 | elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ), |
|
2291 | ||
2292 | // Prefilter to get matcher input, preserving a map for seed-results synchronization |
|
2293 | matcherIn = preFilter && ( seed || !selector ) ? |
|
2294 | condense( elems, preMap, preFilter, context, xml ) : |
|
2295 | elems, |
|
2296 | ||
2297 | matcherOut = matcher ? |
|
2298 | // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results, |
|
2299 | postFinder || ( seed ? preFilter : preexisting || postFilter ) ? |
|
2300 | ||
2301 | // ...intermediate processing is necessary |
|
2302 | [] : |
|
2303 | ||
2304 | // ...otherwise use results directly |
|
2305 | results : |
|
2306 | matcherIn; |
|
2307 | ||
2308 | // Find primary matches |
|
2309 | if ( matcher ) { |
|
2310 | matcher( matcherIn, matcherOut, context, xml ); |
|
2311 | } |
|
2312 | ||
2313 | // Apply postFilter |
|
2314 | if ( postFilter ) { |
|
2315 | temp = condense( matcherOut, postMap ); |
|
2316 | postFilter( temp, [], context, xml ); |
|
2317 | ||
2318 | // Un-match failing elements by moving them back to matcherIn |
|
2319 | i = temp.length; |
|
2320 | while ( i-- ) { |
|
2321 | if ( (elem = temp[i]) ) { |
|
2322 | matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem); |
|
2323 | } |
|
2324 | } |
|
2325 | } |
|
2326 | ||
2327 | if ( seed ) { |
|
2328 | if ( postFinder || preFilter ) { |
|
2329 | if ( postFinder ) { |
|
2330 | // Get the final matcherOut by condensing this intermediate into postFinder contexts |
|
2331 | temp = []; |
|
2332 | i = matcherOut.length; |
|
2333 | while ( i-- ) { |
|
2334 | if ( (elem = matcherOut[i]) ) { |
|
2335 | // Restore matcherIn since elem is not yet a final match |
|
2336 | temp.push( (matcherIn[i] = elem) ); |
|
2337 | } |
|
2338 | } |
|
2339 | postFinder( null, (matcherOut = []), temp, xml ); |
|
2340 | } |
|
2341 | ||
2342 | // Move matched elements from seed to results to keep them synchronized |
|
2343 | i = matcherOut.length; |
|
2344 | while ( i-- ) { |
|
2345 | if ( (elem = matcherOut[i]) && |
|
2346 | (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) { |
|
2347 | ||
2348 | seed[temp] = !(results[temp] = elem); |
|
2349 | } |
|
2350 | } |
|
2351 | } |
|
2352 | ||
2353 | // Add elements to results, through postFinder if defined |
|
2354 | } else { |
|
2355 | matcherOut = condense( |
|
2356 | matcherOut === results ? |
|
2357 | matcherOut.splice( preexisting, matcherOut.length ) : |
|
2358 | matcherOut |
|
2359 | ); |
|
2360 | if ( postFinder ) { |
|
2361 | postFinder( null, results, matcherOut, xml ); |
|
2362 | } else { |
|
2363 | push.apply( results, matcherOut ); |
|
2364 | } |
|
2365 | } |
|
2366 | }); |
|
2367 | } |
|
2368 | ||
2369 | function matcherFromTokens( tokens ) { |
|
2370 | var checkContext, matcher, j, |
|
2371 | len = tokens.length, |
|
2372 | leadingRelative = Expr.relative[ tokens[0].type ], |
|
2373 | implicitRelative = leadingRelative || Expr.relative[" "], |
|
2374 | i = leadingRelative ? 1 : 0, |
|
2375 | ||
2376 | // The foundational matcher ensures that elements are reachable from top-level context(s) |
|
2377 | matchContext = addCombinator( function( elem ) { |
|
2378 | return elem === checkContext; |
|
2379 | }, implicitRelative, true ), |
|
2380 | matchAnyContext = addCombinator( function( elem ) { |
|
2381 | return indexOf( checkContext, elem ) > -1; |
|
2382 | }, implicitRelative, true ), |
|
2383 | matchers = [ function( elem, context, xml ) { |
|
2384 | var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || ( |
|
2385 | (checkContext = context).nodeType ? |
|
2386 | matchContext( elem, context, xml ) : |
|
2387 | matchAnyContext( elem, context, xml ) ); |
|
2388 | // Avoid hanging onto element (issue #299) |
|
2389 | checkContext = null; |
|
2390 | return ret; |
|
2391 | } ]; |
|
2392 | ||
2393 | for ( ; i < len; i++ ) { |
|
2394 | if ( (matcher = Expr.relative[ tokens[i].type ]) ) { |
|
2395 | matchers = [ addCombinator(elementMatcher( matchers ), matcher) ]; |
|
2396 | } else { |
|
2397 | matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches ); |
|
2398 | ||
2399 | // Return special upon seeing a positional matcher |
|
2400 | if ( matcher[ expando ] ) { |
|
2401 | // Find the next relative operator (if any) for proper handling |
|
2402 | j = ++i; |
|
2403 | for ( ; j < len; j++ ) { |
|
2404 | if ( Expr.relative[ tokens[j].type ] ) { |
|
2405 | break; |
|
2406 | } |
|
2407 | } |
|
2408 | return setMatcher( |
|
2409 | i > 1 && elementMatcher( matchers ), |
|
2410 | i > 1 && toSelector( |
|
2411 | // If the preceding token was a descendant combinator, insert an implicit any-element `*` |
|
2412 | tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" }) |
|
2413 | ).replace( rtrim, "$1" ), |
|
2414 | matcher, |
|
2415 | i < j && matcherFromTokens( tokens.slice( i, j ) ), |
|
2416 | j < len && matcherFromTokens( (tokens = tokens.slice( j )) ), |
|
2417 | j < len && toSelector( tokens ) |
|
2418 | ); |
|
2419 | } |
|
2420 | matchers.push( matcher ); |
|
2421 | } |
|
2422 | } |
|
2423 | ||
2424 | return elementMatcher( matchers ); |
|
2425 | } |
|
2426 | ||
2427 | function matcherFromGroupMatchers( elementMatchers, setMatchers ) { |
|
2428 | var bySet = setMatchers.length > 0, |
|
2429 | byElement = elementMatchers.length > 0, |
|
2430 | superMatcher = function( seed, context, xml, results, outermost ) { |
|
2431 | var elem, j, matcher, |
|
2432 | matchedCount = 0, |
|
2433 | i = "0", |
|
2434 | unmatched = seed && [], |
|
2435 | setMatched = [], |
|
2436 | contextBackup = outermostContext, |
|
2437 | // We must always have either seed elements or outermost context |
|
2438 | elems = seed || byElement && Expr.find["TAG"]( "*", outermost ), |
|
2439 | // Use integer dirruns iff this is the outermost matcher |
|
2440 | dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1), |
|
2441 | len = elems.length; |
|
2442 | ||
2443 | if ( outermost ) { |
|
2444 | outermostContext = context === document || context || outermost; |
|
2445 | } |
|
2446 | ||
2447 | // Add elements passing elementMatchers directly to results |
|
2448 | // Support: IE<9, Safari |
|
2449 | // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id |
|
2450 | for ( ; i !== len && (elem = elems[i]) != null; i++ ) { |
|
2451 | if ( byElement && elem ) { |
|
2452 | j = 0; |
|
2453 | if ( !context && elem.ownerDocument !== document ) { |
|
2454 | setDocument( elem ); |
|
2455 | xml = !documentIsHTML; |
|
2456 | } |
|
2457 | while ( (matcher = elementMatchers[j++]) ) { |
|
2458 | if ( matcher( elem, context || document, xml) ) { |
|
2459 | results.push( elem ); |
|
2460 | break; |
|
2461 | } |
|
2462 | } |
|
2463 | if ( outermost ) { |
|
2464 | dirruns = dirrunsUnique; |
|
2465 | } |
|
2466 | } |
|
2467 | ||
2468 | // Track unmatched elements for set filters |
|
2469 | if ( bySet ) { |
|
2470 | // They will have gone through all possible matchers |
|
2471 | if ( (elem = !matcher && elem) ) { |
|
2472 | matchedCount--; |
|
2473 | } |
|
2474 | ||
2475 | // Lengthen the array for every element, matched or not |
|
2476 | if ( seed ) { |
|
2477 | unmatched.push( elem ); |
|
2478 | } |
|
2479 | } |
|
2480 | } |
|
2481 | ||
2482 | // `i` is now the count of elements visited above, and adding it to `matchedCount` |
|
2483 | // makes the latter nonnegative. |
|
2484 | matchedCount += i; |
|
2485 | ||
2486 | // Apply set filters to unmatched elements |
|
2487 | // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount` |
|
2488 | // equals `i`), unless we didn't visit _any_ elements in the above loop because we have |
|
2489 | // no element matchers and no seed. |
|
2490 | // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that |
|
2491 | // case, which will result in a "00" `matchedCount` that differs from `i` but is also |
|
2492 | // numerically zero. |
|
2493 | if ( bySet && i !== matchedCount ) { |
|
2494 | j = 0; |
|
2495 | while ( (matcher = setMatchers[j++]) ) { |
|
2496 | matcher( unmatched, setMatched, context, xml ); |
|
2497 | } |
|
2498 | ||
2499 | if ( seed ) { |
|
2500 | // Reintegrate element matches to eliminate the need for sorting |
|
2501 | if ( matchedCount > 0 ) { |
|
2502 | while ( i-- ) { |
|
2503 | if ( !(unmatched[i] || setMatched[i]) ) { |
|
2504 | setMatched[i] = pop.call( results ); |
|
2505 | } |
|
2506 | } |
|
2507 | } |
|
2508 | ||
2509 | // Discard index placeholder values to get only actual matches |
|
2510 | setMatched = condense( setMatched ); |
|
2511 | } |
|
2512 | ||
2513 | // Add matches to results |
|
2514 | push.apply( results, setMatched ); |
|
2515 | ||
2516 | // Seedless set matches succeeding multiple successful matchers stipulate sorting |
|
2517 | if ( outermost && !seed && setMatched.length > 0 && |
|
2518 | ( matchedCount + setMatchers.length ) > 1 ) { |
|
2519 | ||
2520 | Sizzle.uniqueSort( results ); |
|
2521 | } |
|
2522 | } |
|
2523 | ||
2524 | // Override manipulation of globals by nested matchers |
|
2525 | if ( outermost ) { |
|
2526 | dirruns = dirrunsUnique; |
|
2527 | outermostContext = contextBackup; |
|
2528 | } |
|
2529 | ||
2530 | return unmatched; |
|
2531 | }; |
|
2532 | ||
2533 | return bySet ? |
|
2534 | markFunction( superMatcher ) : |
|
2535 | superMatcher; |
|
2536 | } |
|
2537 | ||
2538 | compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) { |
|
2539 | var i, |
|
2540 | setMatchers = [], |
|
2541 | elementMatchers = [], |
|
2542 | cached = compilerCache[ selector + " " ]; |
|
2543 | ||
2544 | if ( !cached ) { |
|
2545 | // Generate a function of recursive functions that can be used to check each element |
|
2546 | if ( !match ) { |
|
2547 | match = tokenize( selector ); |
|
2548 | } |
|
2549 | i = match.length; |
|
2550 | while ( i-- ) { |
|
2551 | cached = matcherFromTokens( match[i] ); |
|
2552 | if ( cached[ expando ] ) { |
|
2553 | setMatchers.push( cached ); |
|
2554 | } else { |
|
2555 | elementMatchers.push( cached ); |
|
2556 | } |
|
2557 | } |
|
2558 | ||
2559 | // Cache the compiled function |
|
2560 | cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) ); |
|
2561 | ||
2562 | // Save selector and tokenization |
|
2563 | cached.selector = selector; |
|
2564 | } |
|
2565 | return cached; |
|
2566 | }; |
|
2567 | ||
2568 | /** |
|
2569 | * A low-level selection function that works with Sizzle's compiled |
|
2570 | * selector functions |
|
2571 | * @param {String|Function} selector A selector or a pre-compiled |
|
2572 | * selector function built with Sizzle.compile |
|
2573 | * @param {Element} context |
|
2574 | * @param {Array} [results] |
|
2575 | * @param {Array} [seed] A set of elements to match against |
|
2576 | */ |
|
2577 | select = Sizzle.select = function( selector, context, results, seed ) { |
|
2578 | var i, tokens, token, type, find, |
|
2579 | compiled = typeof selector === "function" && selector, |
|
2580 | match = !seed && tokenize( (selector = compiled.selector || selector) ); |
|
2581 | ||
2582 | results = results || []; |
|
2583 | ||
2584 | // Try to minimize operations if there is only one selector in the list and no seed |
|
2585 | // (the latter of which guarantees us context) |
|
2586 | if ( match.length === 1 ) { |
|
2587 | ||
2588 | // Reduce context if the leading compound selector is an ID |
|
2589 | tokens = match[0] = match[0].slice( 0 ); |
|
2590 | if ( tokens.length > 2 && (token = tokens[0]).type === "ID" && |
|
2591 | support.getById && context.nodeType === 9 && documentIsHTML && |
|
2592 | Expr.relative[ tokens[1].type ] ) { |
|
2593 | ||
2594 | context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0]; |
|
2595 | if ( !context ) { |
|
2596 | return results; |
|
2597 | ||
2598 | // Precompiled matchers will still verify ancestry, so step up a level |
|
2599 | } else if ( compiled ) { |
|
2600 | context = context.parentNode; |
|
2601 | } |
|
2602 | ||
2603 | selector = selector.slice( tokens.shift().value.length ); |
|
2604 | } |
|
2605 | ||
2606 | // Fetch a seed set for right-to-left matching |
|
2607 | i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length; |
|
2608 | while ( i-- ) { |
|
2609 | token = tokens[i]; |
|
2610 | ||
2611 | // Abort if we hit a combinator |
|
2612 | if ( Expr.relative[ (type = token.type) ] ) { |
|
2613 | break; |
|
2614 | } |
|
2615 | if ( (find = Expr.find[ type ]) ) { |
|
2616 | // Search, expanding context for leading sibling combinators |
|
2617 | if ( (seed = find( |
|
2618 | token.matches[0].replace( runescape, funescape ), |
|
2619 | rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context |
|
2620 | )) ) { |
|
2621 | ||
2622 | // If seed is empty or no tokens remain, we can return early |
|
2623 | tokens.splice( i, 1 ); |
|
2624 | selector = seed.length && toSelector( tokens ); |
|
2625 | if ( !selector ) { |
|
2626 | push.apply( results, seed ); |
|
2627 | return results; |
|
2628 | } |
|
2629 | ||
2630 | break; |
|
2631 | } |
|
2632 | } |
|
2633 | } |
|
2634 | } |
|
2635 | ||
2636 | // Compile and execute a filtering function if one is not provided |
|
2637 | // Provide `match` to avoid retokenization if we modified the selector above |
|
2638 | ( compiled || compile( selector, match ) )( |
|
2639 | seed, |
|
2640 | context, |
|
2641 | !documentIsHTML, |
|
2642 | results, |
|
2643 | !context || rsibling.test( selector ) && testContext( context.parentNode ) || context |
|
2644 | ); |
|
2645 | return results; |
|
2646 | }; |
|
2647 | ||
2648 | // One-time assignments |
|
2649 | ||
2650 | // Sort stability |
|
2651 | support.sortStable = expando.split("").sort( sortOrder ).join("") === expando; |
|
2652 | ||
2653 | // Support: Chrome 14-35+ |
|
2654 | // Always assume duplicates if they aren't passed to the comparison function |
|
2655 | support.detectDuplicates = !!hasDuplicate; |
|
2656 | ||
2657 | // Initialize against the default document |
|
2658 | setDocument(); |
|
2659 | ||
2660 | // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27) |
|
2661 | // Detached nodes confoundingly follow *each other* |
|
2662 | support.sortDetached = assert(function( div1 ) { |
|
2663 | // Should return 1, but returns 4 (following) |
|
2664 | return div1.compareDocumentPosition( document.createElement("div") ) & 1; |
|
2665 | }); |
|
2666 | ||
2667 | // Support: IE<8 |
|
2668 | // Prevent attribute/property "interpolation" |
|
2669 | // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx |
|
2670 | if ( !assert(function( div ) { |
|
2671 | div.innerHTML = "<a href='#'></a>"; |
|
2672 | return div.firstChild.getAttribute("href") === "#" ; |
|
2673 | }) ) { |
|
2674 | addHandle( "type|href|height|width", function( elem, name, isXML ) { |
|
2675 | if ( !isXML ) { |
|
2676 | return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 ); |
|
2677 | } |
|
2678 | }); |
|
2679 | } |
|
2680 | ||
2681 | // Support: IE<9 |
|
2682 | // Use defaultValue in place of getAttribute("value") |
|
2683 | if ( !support.attributes || !assert(function( div ) { |
|
2684 | div.innerHTML = "<input/>"; |
|
2685 | div.firstChild.setAttribute( "value", "" ); |
|
2686 | return div.firstChild.getAttribute( "value" ) === ""; |
|
2687 | }) ) { |
|
2688 | addHandle( "value", function( elem, name, isXML ) { |
|
2689 | if ( !isXML && elem.nodeName.toLowerCase() === "input" ) { |
|
2690 | return elem.defaultValue; |
|
2691 | } |
|
2692 | }); |
|
2693 | } |
|
2694 | ||
2695 | // Support: IE<9 |
|
2696 | // Use getAttributeNode to fetch booleans when getAttribute lies |
|
2697 | if ( !assert(function( div ) { |
|
2698 | return div.getAttribute("disabled") == null; |
|
2699 | }) ) { |
|
2700 | addHandle( booleans, function( elem, name, isXML ) { |
|
2701 | var val; |
|
2702 | if ( !isXML ) { |
|
2703 | return elem[ name ] === true ? name.toLowerCase() : |
|
2704 | (val = elem.getAttributeNode( name )) && val.specified ? |
|
2705 | val.value : |
|
2706 | null; |
|
2707 | } |
|
2708 | }); |
|
2709 | } |
|
2710 | ||
2711 | return Sizzle; |
|
2712 | ||
2713 | })( window ); |
|
2714 | ||
2715 | ||
2716 |
@@ 551-2674 (lines=2124) @@ | ||
548 | * |
|
549 | * Date: 2015-10-17 |
|
550 | */ |
|
551 | (function( window ) { |
|
552 | ||
553 | var i, |
|
554 | support, |
|
555 | Expr, |
|
556 | getText, |
|
557 | isXML, |
|
558 | tokenize, |
|
559 | compile, |
|
560 | select, |
|
561 | outermostContext, |
|
562 | sortInput, |
|
563 | hasDuplicate, |
|
564 | ||
565 | // Local document vars |
|
566 | setDocument, |
|
567 | document, |
|
568 | docElem, |
|
569 | documentIsHTML, |
|
570 | rbuggyQSA, |
|
571 | rbuggyMatches, |
|
572 | matches, |
|
573 | contains, |
|
574 | ||
575 | // Instance-specific data |
|
576 | expando = "sizzle" + 1 * new Date(), |
|
577 | preferredDoc = window.document, |
|
578 | dirruns = 0, |
|
579 | done = 0, |
|
580 | classCache = createCache(), |
|
581 | tokenCache = createCache(), |
|
582 | compilerCache = createCache(), |
|
583 | sortOrder = function( a, b ) { |
|
584 | if ( a === b ) { |
|
585 | hasDuplicate = true; |
|
586 | } |
|
587 | return 0; |
|
588 | }, |
|
589 | ||
590 | // General-purpose constants |
|
591 | MAX_NEGATIVE = 1 << 31, |
|
592 | ||
593 | // Instance methods |
|
594 | hasOwn = ({}).hasOwnProperty, |
|
595 | arr = [], |
|
596 | pop = arr.pop, |
|
597 | push_native = arr.push, |
|
598 | push = arr.push, |
|
599 | slice = arr.slice, |
|
600 | // Use a stripped-down indexOf as it's faster than native |
|
601 | // http://jsperf.com/thor-indexof-vs-for/5 |
|
602 | indexOf = function( list, elem ) { |
|
603 | var i = 0, |
|
604 | len = list.length; |
|
605 | for ( ; i < len; i++ ) { |
|
606 | if ( list[i] === elem ) { |
|
607 | return i; |
|
608 | } |
|
609 | } |
|
610 | return -1; |
|
611 | }, |
|
612 | ||
613 | booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped", |
|
614 | ||
615 | // Regular expressions |
|
616 | ||
617 | // http://www.w3.org/TR/css3-selectors/#whitespace |
|
618 | whitespace = "[\\x20\\t\\r\\n\\f]", |
|
619 | ||
620 | // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier |
|
621 | identifier = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+", |
|
622 | ||
623 | // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors |
|
624 | attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace + |
|
625 | // Operator (capture 2) |
|
626 | "*([*^$|!~]?=)" + whitespace + |
|
627 | // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]" |
|
628 | "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace + |
|
629 | "*\\]", |
|
630 | ||
631 | pseudos = ":(" + identifier + ")(?:\\((" + |
|
632 | // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments: |
|
633 | // 1. quoted (capture 3; capture 4 or capture 5) |
|
634 | "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" + |
|
635 | // 2. simple (capture 6) |
|
636 | "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" + |
|
637 | // 3. anything else (capture 2) |
|
638 | ".*" + |
|
639 | ")\\)|)", |
|
640 | ||
641 | // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter |
|
642 | rwhitespace = new RegExp( whitespace + "+", "g" ), |
|
643 | rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ), |
|
644 | ||
645 | rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ), |
|
646 | rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ), |
|
647 | ||
648 | rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ), |
|
649 | ||
650 | rpseudo = new RegExp( pseudos ), |
|
651 | ridentifier = new RegExp( "^" + identifier + "$" ), |
|
652 | ||
653 | matchExpr = { |
|
654 | "ID": new RegExp( "^#(" + identifier + ")" ), |
|
655 | "CLASS": new RegExp( "^\\.(" + identifier + ")" ), |
|
656 | "TAG": new RegExp( "^(" + identifier + "|[*])" ), |
|
657 | "ATTR": new RegExp( "^" + attributes ), |
|
658 | "PSEUDO": new RegExp( "^" + pseudos ), |
|
659 | "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace + |
|
660 | "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace + |
|
661 | "*(\\d+)|))" + whitespace + "*\\)|)", "i" ), |
|
662 | "bool": new RegExp( "^(?:" + booleans + ")$", "i" ), |
|
663 | // For use in libraries implementing .is() |
|
664 | // We use this for POS matching in `select` |
|
665 | "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + |
|
666 | whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" ) |
|
667 | }, |
|
668 | ||
669 | rinputs = /^(?:input|select|textarea|button)$/i, |
|
670 | rheader = /^h\d$/i, |
|
671 | ||
672 | rnative = /^[^{]+\{\s*\[native \w/, |
|
673 | ||
674 | // Easily-parseable/retrievable ID or TAG or CLASS selectors |
|
675 | rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/, |
|
676 | ||
677 | rsibling = /[+~]/, |
|
678 | rescape = /'|\\/g, |
|
679 | ||
680 | // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters |
|
681 | runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ), |
|
682 | funescape = function( _, escaped, escapedWhitespace ) { |
|
683 | var high = "0x" + escaped - 0x10000; |
|
684 | // NaN means non-codepoint |
|
685 | // Support: Firefox<24 |
|
686 | // Workaround erroneous numeric interpretation of +"0x" |
|
687 | return high !== high || escapedWhitespace ? |
|
688 | escaped : |
|
689 | high < 0 ? |
|
690 | // BMP codepoint |
|
691 | String.fromCharCode( high + 0x10000 ) : |
|
692 | // Supplemental Plane codepoint (surrogate pair) |
|
693 | String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); |
|
694 | }, |
|
695 | ||
696 | // Used for iframes |
|
697 | // See setDocument() |
|
698 | // Removing the function wrapper causes a "Permission Denied" |
|
699 | // error in IE |
|
700 | unloadHandler = function() { |
|
701 | setDocument(); |
|
702 | }; |
|
703 | ||
704 | // Optimize for push.apply( _, NodeList ) |
|
705 | try { |
|
706 | push.apply( |
|
707 | (arr = slice.call( preferredDoc.childNodes )), |
|
708 | preferredDoc.childNodes |
|
709 | ); |
|
710 | // Support: Android<4.0 |
|
711 | // Detect silently failing push.apply |
|
712 | arr[ preferredDoc.childNodes.length ].nodeType; |
|
713 | } catch ( e ) { |
|
714 | push = { apply: arr.length ? |
|
715 | ||
716 | // Leverage slice if possible |
|
717 | function( target, els ) { |
|
718 | push_native.apply( target, slice.call(els) ); |
|
719 | } : |
|
720 | ||
721 | // Support: IE<9 |
|
722 | // Otherwise append directly |
|
723 | function( target, els ) { |
|
724 | var j = target.length, |
|
725 | i = 0; |
|
726 | // Can't trust NodeList.length |
|
727 | while ( (target[j++] = els[i++]) ) {} |
|
728 | target.length = j - 1; |
|
729 | } |
|
730 | }; |
|
731 | } |
|
732 | ||
733 | function Sizzle( selector, context, results, seed ) { |
|
734 | var m, i, elem, nid, nidselect, match, groups, newSelector, |
|
735 | newContext = context && context.ownerDocument, |
|
736 | ||
737 | // nodeType defaults to 9, since context defaults to document |
|
738 | nodeType = context ? context.nodeType : 9; |
|
739 | ||
740 | results = results || []; |
|
741 | ||
742 | // Return early from calls with invalid selector or context |
|
743 | if ( typeof selector !== "string" || !selector || |
|
744 | nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) { |
|
745 | ||
746 | return results; |
|
747 | } |
|
748 | ||
749 | // Try to shortcut find operations (as opposed to filters) in HTML documents |
|
750 | if ( !seed ) { |
|
751 | ||
752 | if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) { |
|
753 | setDocument( context ); |
|
754 | } |
|
755 | context = context || document; |
|
756 | ||
757 | if ( documentIsHTML ) { |
|
758 | ||
759 | // If the selector is sufficiently simple, try using a "get*By*" DOM method |
|
760 | // (excepting DocumentFragment context, where the methods don't exist) |
|
761 | if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) { |
|
762 | ||
763 | // ID selector |
|
764 | if ( (m = match[1]) ) { |
|
765 | ||
766 | // Document context |
|
767 | if ( nodeType === 9 ) { |
|
768 | if ( (elem = context.getElementById( m )) ) { |
|
769 | ||
770 | // Support: IE, Opera, Webkit |
|
771 | // TODO: identify versions |
|
772 | // getElementById can match elements by name instead of ID |
|
773 | if ( elem.id === m ) { |
|
774 | results.push( elem ); |
|
775 | return results; |
|
776 | } |
|
777 | } else { |
|
778 | return results; |
|
779 | } |
|
780 | ||
781 | // Element context |
|
782 | } else { |
|
783 | ||
784 | // Support: IE, Opera, Webkit |
|
785 | // TODO: identify versions |
|
786 | // getElementById can match elements by name instead of ID |
|
787 | if ( newContext && (elem = newContext.getElementById( m )) && |
|
788 | contains( context, elem ) && |
|
789 | elem.id === m ) { |
|
790 | ||
791 | results.push( elem ); |
|
792 | return results; |
|
793 | } |
|
794 | } |
|
795 | ||
796 | // Type selector |
|
797 | } else if ( match[2] ) { |
|
798 | push.apply( results, context.getElementsByTagName( selector ) ); |
|
799 | return results; |
|
800 | ||
801 | // Class selector |
|
802 | } else if ( (m = match[3]) && support.getElementsByClassName && |
|
803 | context.getElementsByClassName ) { |
|
804 | ||
805 | push.apply( results, context.getElementsByClassName( m ) ); |
|
806 | return results; |
|
807 | } |
|
808 | } |
|
809 | ||
810 | // Take advantage of querySelectorAll |
|
811 | if ( support.qsa && |
|
812 | !compilerCache[ selector + " " ] && |
|
813 | (!rbuggyQSA || !rbuggyQSA.test( selector )) ) { |
|
814 | ||
815 | if ( nodeType !== 1 ) { |
|
816 | newContext = context; |
|
817 | newSelector = selector; |
|
818 | ||
819 | // qSA looks outside Element context, which is not what we want |
|
820 | // Thanks to Andrew Dupont for this workaround technique |
|
821 | // Support: IE <=8 |
|
822 | // Exclude object elements |
|
823 | } else if ( context.nodeName.toLowerCase() !== "object" ) { |
|
824 | ||
825 | // Capture the context ID, setting it first if necessary |
|
826 | if ( (nid = context.getAttribute( "id" )) ) { |
|
827 | nid = nid.replace( rescape, "\\$&" ); |
|
828 | } else { |
|
829 | context.setAttribute( "id", (nid = expando) ); |
|
830 | } |
|
831 | ||
832 | // Prefix every selector in the list |
|
833 | groups = tokenize( selector ); |
|
834 | i = groups.length; |
|
835 | nidselect = ridentifier.test( nid ) ? "#" + nid : "[id='" + nid + "']"; |
|
836 | while ( i-- ) { |
|
837 | groups[i] = nidselect + " " + toSelector( groups[i] ); |
|
838 | } |
|
839 | newSelector = groups.join( "," ); |
|
840 | ||
841 | // Expand context for sibling selectors |
|
842 | newContext = rsibling.test( selector ) && testContext( context.parentNode ) || |
|
843 | context; |
|
844 | } |
|
845 | ||
846 | if ( newSelector ) { |
|
847 | try { |
|
848 | push.apply( results, |
|
849 | newContext.querySelectorAll( newSelector ) |
|
850 | ); |
|
851 | return results; |
|
852 | } catch ( qsaError ) { |
|
853 | } finally { |
|
854 | if ( nid === expando ) { |
|
855 | context.removeAttribute( "id" ); |
|
856 | } |
|
857 | } |
|
858 | } |
|
859 | } |
|
860 | } |
|
861 | } |
|
862 | ||
863 | // All others |
|
864 | return select( selector.replace( rtrim, "$1" ), context, results, seed ); |
|
865 | } |
|
866 | ||
867 | /** |
|
868 | * Create key-value caches of limited size |
|
869 | * @returns {function(string, object)} Returns the Object data after storing it on itself with |
|
870 | * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength) |
|
871 | * deleting the oldest entry |
|
872 | */ |
|
873 | function createCache() { |
|
874 | var keys = []; |
|
875 | ||
876 | function cache( key, value ) { |
|
877 | // Use (key + " ") to avoid collision with native prototype properties (see Issue #157) |
|
878 | if ( keys.push( key + " " ) > Expr.cacheLength ) { |
|
879 | // Only keep the most recent entries |
|
880 | delete cache[ keys.shift() ]; |
|
881 | } |
|
882 | return (cache[ key + " " ] = value); |
|
883 | } |
|
884 | return cache; |
|
885 | } |
|
886 | ||
887 | /** |
|
888 | * Mark a function for special use by Sizzle |
|
889 | * @param {Function} fn The function to mark |
|
890 | */ |
|
891 | function markFunction( fn ) { |
|
892 | fn[ expando ] = true; |
|
893 | return fn; |
|
894 | } |
|
895 | ||
896 | /** |
|
897 | * Support testing using an element |
|
898 | * @param {Function} fn Passed the created div and expects a boolean result |
|
899 | */ |
|
900 | function assert( fn ) { |
|
901 | var div = document.createElement("div"); |
|
902 | ||
903 | try { |
|
904 | return !!fn( div ); |
|
905 | } catch (e) { |
|
906 | return false; |
|
907 | } finally { |
|
908 | // Remove from its parent by default |
|
909 | if ( div.parentNode ) { |
|
910 | div.parentNode.removeChild( div ); |
|
911 | } |
|
912 | // release memory in IE |
|
913 | div = null; |
|
914 | } |
|
915 | } |
|
916 | ||
917 | /** |
|
918 | * Adds the same handler for all of the specified attrs |
|
919 | * @param {String} attrs Pipe-separated list of attributes |
|
920 | * @param {Function} handler The method that will be applied |
|
921 | */ |
|
922 | function addHandle( attrs, handler ) { |
|
923 | var arr = attrs.split("|"), |
|
924 | i = arr.length; |
|
925 | ||
926 | while ( i-- ) { |
|
927 | Expr.attrHandle[ arr[i] ] = handler; |
|
928 | } |
|
929 | } |
|
930 | ||
931 | /** |
|
932 | * Checks document order of two siblings |
|
933 | * @param {Element} a |
|
934 | * @param {Element} b |
|
935 | * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b |
|
936 | */ |
|
937 | function siblingCheck( a, b ) { |
|
938 | var cur = b && a, |
|
939 | diff = cur && a.nodeType === 1 && b.nodeType === 1 && |
|
940 | ( ~b.sourceIndex || MAX_NEGATIVE ) - |
|
941 | ( ~a.sourceIndex || MAX_NEGATIVE ); |
|
942 | ||
943 | // Use IE sourceIndex if available on both nodes |
|
944 | if ( diff ) { |
|
945 | return diff; |
|
946 | } |
|
947 | ||
948 | // Check if b follows a |
|
949 | if ( cur ) { |
|
950 | while ( (cur = cur.nextSibling) ) { |
|
951 | if ( cur === b ) { |
|
952 | return -1; |
|
953 | } |
|
954 | } |
|
955 | } |
|
956 | ||
957 | return a ? 1 : -1; |
|
958 | } |
|
959 | ||
960 | /** |
|
961 | * Returns a function to use in pseudos for input types |
|
962 | * @param {String} type |
|
963 | */ |
|
964 | function createInputPseudo( type ) { |
|
965 | return function( elem ) { |
|
966 | var name = elem.nodeName.toLowerCase(); |
|
967 | return name === "input" && elem.type === type; |
|
968 | }; |
|
969 | } |
|
970 | ||
971 | /** |
|
972 | * Returns a function to use in pseudos for buttons |
|
973 | * @param {String} type |
|
974 | */ |
|
975 | function createButtonPseudo( type ) { |
|
976 | return function( elem ) { |
|
977 | var name = elem.nodeName.toLowerCase(); |
|
978 | return (name === "input" || name === "button") && elem.type === type; |
|
979 | }; |
|
980 | } |
|
981 | ||
982 | /** |
|
983 | * Returns a function to use in pseudos for positionals |
|
984 | * @param {Function} fn |
|
985 | */ |
|
986 | function createPositionalPseudo( fn ) { |
|
987 | return markFunction(function( argument ) { |
|
988 | argument = +argument; |
|
989 | return markFunction(function( seed, matches ) { |
|
990 | var j, |
|
991 | matchIndexes = fn( [], seed.length, argument ), |
|
992 | i = matchIndexes.length; |
|
993 | ||
994 | // Match elements found at the specified indexes |
|
995 | while ( i-- ) { |
|
996 | if ( seed[ (j = matchIndexes[i]) ] ) { |
|
997 | seed[j] = !(matches[j] = seed[j]); |
|
998 | } |
|
999 | } |
|
1000 | }); |
|
1001 | }); |
|
1002 | } |
|
1003 | ||
1004 | /** |
|
1005 | * Checks a node for validity as a Sizzle context |
|
1006 | * @param {Element|Object=} context |
|
1007 | * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value |
|
1008 | */ |
|
1009 | function testContext( context ) { |
|
1010 | return context && typeof context.getElementsByTagName !== "undefined" && context; |
|
1011 | } |
|
1012 | ||
1013 | // Expose support vars for convenience |
|
1014 | support = Sizzle.support = {}; |
|
1015 | ||
1016 | /** |
|
1017 | * Detects XML nodes |
|
1018 | * @param {Element|Object} elem An element or a document |
|
1019 | * @returns {Boolean} True iff elem is a non-HTML XML node |
|
1020 | */ |
|
1021 | isXML = Sizzle.isXML = function( elem ) { |
|
1022 | // documentElement is verified for cases where it doesn't yet exist |
|
1023 | // (such as loading iframes in IE - #4833) |
|
1024 | var documentElement = elem && (elem.ownerDocument || elem).documentElement; |
|
1025 | return documentElement ? documentElement.nodeName !== "HTML" : false; |
|
1026 | }; |
|
1027 | ||
1028 | /** |
|
1029 | * Sets document-related variables once based on the current document |
|
1030 | * @param {Element|Object} [doc] An element or document object to use to set the document |
|
1031 | * @returns {Object} Returns the current document |
|
1032 | */ |
|
1033 | setDocument = Sizzle.setDocument = function( node ) { |
|
1034 | var hasCompare, parent, |
|
1035 | doc = node ? node.ownerDocument || node : preferredDoc; |
|
1036 | ||
1037 | // Return early if doc is invalid or already selected |
|
1038 | if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) { |
|
1039 | return document; |
|
1040 | } |
|
1041 | ||
1042 | // Update global variables |
|
1043 | document = doc; |
|
1044 | docElem = document.documentElement; |
|
1045 | documentIsHTML = !isXML( document ); |
|
1046 | ||
1047 | // Support: IE 9-11, Edge |
|
1048 | // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936) |
|
1049 | if ( (parent = document.defaultView) && parent.top !== parent ) { |
|
1050 | // Support: IE 11 |
|
1051 | if ( parent.addEventListener ) { |
|
1052 | parent.addEventListener( "unload", unloadHandler, false ); |
|
1053 | ||
1054 | // Support: IE 9 - 10 only |
|
1055 | } else if ( parent.attachEvent ) { |
|
1056 | parent.attachEvent( "onunload", unloadHandler ); |
|
1057 | } |
|
1058 | } |
|
1059 | ||
1060 | /* Attributes |
|
1061 | ---------------------------------------------------------------------- */ |
|
1062 | ||
1063 | // Support: IE<8 |
|
1064 | // Verify that getAttribute really returns attributes and not properties |
|
1065 | // (excepting IE8 booleans) |
|
1066 | support.attributes = assert(function( div ) { |
|
1067 | div.className = "i"; |
|
1068 | return !div.getAttribute("className"); |
|
1069 | }); |
|
1070 | ||
1071 | /* getElement(s)By* |
|
1072 | ---------------------------------------------------------------------- */ |
|
1073 | ||
1074 | // Check if getElementsByTagName("*") returns only elements |
|
1075 | support.getElementsByTagName = assert(function( div ) { |
|
1076 | div.appendChild( document.createComment("") ); |
|
1077 | return !div.getElementsByTagName("*").length; |
|
1078 | }); |
|
1079 | ||
1080 | // Support: IE<9 |
|
1081 | support.getElementsByClassName = rnative.test( document.getElementsByClassName ); |
|
1082 | ||
1083 | // Support: IE<10 |
|
1084 | // Check if getElementById returns elements by name |
|
1085 | // The broken getElementById methods don't pick up programatically-set names, |
|
1086 | // so use a roundabout getElementsByName test |
|
1087 | support.getById = assert(function( div ) { |
|
1088 | docElem.appendChild( div ).id = expando; |
|
1089 | return !document.getElementsByName || !document.getElementsByName( expando ).length; |
|
1090 | }); |
|
1091 | ||
1092 | // ID find and filter |
|
1093 | if ( support.getById ) { |
|
1094 | Expr.find["ID"] = function( id, context ) { |
|
1095 | if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { |
|
1096 | var m = context.getElementById( id ); |
|
1097 | return m ? [ m ] : []; |
|
1098 | } |
|
1099 | }; |
|
1100 | Expr.filter["ID"] = function( id ) { |
|
1101 | var attrId = id.replace( runescape, funescape ); |
|
1102 | return function( elem ) { |
|
1103 | return elem.getAttribute("id") === attrId; |
|
1104 | }; |
|
1105 | }; |
|
1106 | } else { |
|
1107 | // Support: IE6/7 |
|
1108 | // getElementById is not reliable as a find shortcut |
|
1109 | delete Expr.find["ID"]; |
|
1110 | ||
1111 | Expr.filter["ID"] = function( id ) { |
|
1112 | var attrId = id.replace( runescape, funescape ); |
|
1113 | return function( elem ) { |
|
1114 | var node = typeof elem.getAttributeNode !== "undefined" && |
|
1115 | elem.getAttributeNode("id"); |
|
1116 | return node && node.value === attrId; |
|
1117 | }; |
|
1118 | }; |
|
1119 | } |
|
1120 | ||
1121 | // Tag |
|
1122 | Expr.find["TAG"] = support.getElementsByTagName ? |
|
1123 | function( tag, context ) { |
|
1124 | if ( typeof context.getElementsByTagName !== "undefined" ) { |
|
1125 | return context.getElementsByTagName( tag ); |
|
1126 | ||
1127 | // DocumentFragment nodes don't have gEBTN |
|
1128 | } else if ( support.qsa ) { |
|
1129 | return context.querySelectorAll( tag ); |
|
1130 | } |
|
1131 | } : |
|
1132 | ||
1133 | function( tag, context ) { |
|
1134 | var elem, |
|
1135 | tmp = [], |
|
1136 | i = 0, |
|
1137 | // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too |
|
1138 | results = context.getElementsByTagName( tag ); |
|
1139 | ||
1140 | // Filter out possible comments |
|
1141 | if ( tag === "*" ) { |
|
1142 | while ( (elem = results[i++]) ) { |
|
1143 | if ( elem.nodeType === 1 ) { |
|
1144 | tmp.push( elem ); |
|
1145 | } |
|
1146 | } |
|
1147 | ||
1148 | return tmp; |
|
1149 | } |
|
1150 | return results; |
|
1151 | }; |
|
1152 | ||
1153 | // Class |
|
1154 | Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) { |
|
1155 | if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) { |
|
1156 | return context.getElementsByClassName( className ); |
|
1157 | } |
|
1158 | }; |
|
1159 | ||
1160 | /* QSA/matchesSelector |
|
1161 | ---------------------------------------------------------------------- */ |
|
1162 | ||
1163 | // QSA and matchesSelector support |
|
1164 | ||
1165 | // matchesSelector(:active) reports false when true (IE9/Opera 11.5) |
|
1166 | rbuggyMatches = []; |
|
1167 | ||
1168 | // qSa(:focus) reports false when true (Chrome 21) |
|
1169 | // We allow this because of a bug in IE8/9 that throws an error |
|
1170 | // whenever `document.activeElement` is accessed on an iframe |
|
1171 | // So, we allow :focus to pass through QSA all the time to avoid the IE error |
|
1172 | // See http://bugs.jquery.com/ticket/13378 |
|
1173 | rbuggyQSA = []; |
|
1174 | ||
1175 | if ( (support.qsa = rnative.test( document.querySelectorAll )) ) { |
|
1176 | // Build QSA regex |
|
1177 | // Regex strategy adopted from Diego Perini |
|
1178 | assert(function( div ) { |
|
1179 | // Select is set to empty string on purpose |
|
1180 | // This is to test IE's treatment of not explicitly |
|
1181 | // setting a boolean content attribute, |
|
1182 | // since its presence should be enough |
|
1183 | // http://bugs.jquery.com/ticket/12359 |
|
1184 | docElem.appendChild( div ).innerHTML = "<a id='" + expando + "'></a>" + |
|
1185 | "<select id='" + expando + "-\r\\' msallowcapture=''>" + |
|
1186 | "<option selected=''></option></select>"; |
|
1187 | ||
1188 | // Support: IE8, Opera 11-12.16 |
|
1189 | // Nothing should be selected when empty strings follow ^= or $= or *= |
|
1190 | // The test attribute must be unknown in Opera but "safe" for WinRT |
|
1191 | // http://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section |
|
1192 | if ( div.querySelectorAll("[msallowcapture^='']").length ) { |
|
1193 | rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" ); |
|
1194 | } |
|
1195 | ||
1196 | // Support: IE8 |
|
1197 | // Boolean attributes and "value" are not treated correctly |
|
1198 | if ( !div.querySelectorAll("[selected]").length ) { |
|
1199 | rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" ); |
|
1200 | } |
|
1201 | ||
1202 | // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+ |
|
1203 | if ( !div.querySelectorAll( "[id~=" + expando + "-]" ).length ) { |
|
1204 | rbuggyQSA.push("~="); |
|
1205 | } |
|
1206 | ||
1207 | // Webkit/Opera - :checked should return selected option elements |
|
1208 | // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked |
|
1209 | // IE8 throws error here and will not see later tests |
|
1210 | if ( !div.querySelectorAll(":checked").length ) { |
|
1211 | rbuggyQSA.push(":checked"); |
|
1212 | } |
|
1213 | ||
1214 | // Support: Safari 8+, iOS 8+ |
|
1215 | // https://bugs.webkit.org/show_bug.cgi?id=136851 |
|
1216 | // In-page `selector#id sibing-combinator selector` fails |
|
1217 | if ( !div.querySelectorAll( "a#" + expando + "+*" ).length ) { |
|
1218 | rbuggyQSA.push(".#.+[+~]"); |
|
1219 | } |
|
1220 | }); |
|
1221 | ||
1222 | assert(function( div ) { |
|
1223 | // Support: Windows 8 Native Apps |
|
1224 | // The type and name attributes are restricted during .innerHTML assignment |
|
1225 | var input = document.createElement("input"); |
|
1226 | input.setAttribute( "type", "hidden" ); |
|
1227 | div.appendChild( input ).setAttribute( "name", "D" ); |
|
1228 | ||
1229 | // Support: IE8 |
|
1230 | // Enforce case-sensitivity of name attribute |
|
1231 | if ( div.querySelectorAll("[name=d]").length ) { |
|
1232 | rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" ); |
|
1233 | } |
|
1234 | ||
1235 | // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) |
|
1236 | // IE8 throws error here and will not see later tests |
|
1237 | if ( !div.querySelectorAll(":enabled").length ) { |
|
1238 | rbuggyQSA.push( ":enabled", ":disabled" ); |
|
1239 | } |
|
1240 | ||
1241 | // Opera 10-11 does not throw on post-comma invalid pseudos |
|
1242 | div.querySelectorAll("*,:x"); |
|
1243 | rbuggyQSA.push(",.*:"); |
|
1244 | }); |
|
1245 | } |
|
1246 | ||
1247 | if ( (support.matchesSelector = rnative.test( (matches = docElem.matches || |
|
1248 | docElem.webkitMatchesSelector || |
|
1249 | docElem.mozMatchesSelector || |
|
1250 | docElem.oMatchesSelector || |
|
1251 | docElem.msMatchesSelector) )) ) { |
|
1252 | ||
1253 | assert(function( div ) { |
|
1254 | // Check to see if it's possible to do matchesSelector |
|
1255 | // on a disconnected node (IE 9) |
|
1256 | support.disconnectedMatch = matches.call( div, "div" ); |
|
1257 | ||
1258 | // This should fail with an exception |
|
1259 | // Gecko does not error, returns false instead |
|
1260 | matches.call( div, "[s!='']:x" ); |
|
1261 | rbuggyMatches.push( "!=", pseudos ); |
|
1262 | }); |
|
1263 | } |
|
1264 | ||
1265 | rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") ); |
|
1266 | rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") ); |
|
1267 | ||
1268 | /* Contains |
|
1269 | ---------------------------------------------------------------------- */ |
|
1270 | hasCompare = rnative.test( docElem.compareDocumentPosition ); |
|
1271 | ||
1272 | // Element contains another |
|
1273 | // Purposefully self-exclusive |
|
1274 | // As in, an element does not contain itself |
|
1275 | contains = hasCompare || rnative.test( docElem.contains ) ? |
|
1276 | function( a, b ) { |
|
1277 | var adown = a.nodeType === 9 ? a.documentElement : a, |
|
1278 | bup = b && b.parentNode; |
|
1279 | return a === bup || !!( bup && bup.nodeType === 1 && ( |
|
1280 | adown.contains ? |
|
1281 | adown.contains( bup ) : |
|
1282 | a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16 |
|
1283 | )); |
|
1284 | } : |
|
1285 | function( a, b ) { |
|
1286 | if ( b ) { |
|
1287 | while ( (b = b.parentNode) ) { |
|
1288 | if ( b === a ) { |
|
1289 | return true; |
|
1290 | } |
|
1291 | } |
|
1292 | } |
|
1293 | return false; |
|
1294 | }; |
|
1295 | ||
1296 | /* Sorting |
|
1297 | ---------------------------------------------------------------------- */ |
|
1298 | ||
1299 | // Document order sorting |
|
1300 | sortOrder = hasCompare ? |
|
1301 | function( a, b ) { |
|
1302 | ||
1303 | // Flag for duplicate removal |
|
1304 | if ( a === b ) { |
|
1305 | hasDuplicate = true; |
|
1306 | return 0; |
|
1307 | } |
|
1308 | ||
1309 | // Sort on method existence if only one input has compareDocumentPosition |
|
1310 | var compare = !a.compareDocumentPosition - !b.compareDocumentPosition; |
|
1311 | if ( compare ) { |
|
1312 | return compare; |
|
1313 | } |
|
1314 | ||
1315 | // Calculate position if both inputs belong to the same document |
|
1316 | compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ? |
|
1317 | a.compareDocumentPosition( b ) : |
|
1318 | ||
1319 | // Otherwise we know they are disconnected |
|
1320 | 1; |
|
1321 | ||
1322 | // Disconnected nodes |
|
1323 | if ( compare & 1 || |
|
1324 | (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) { |
|
1325 | ||
1326 | // Choose the first element that is related to our preferred document |
|
1327 | if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) { |
|
1328 | return -1; |
|
1329 | } |
|
1330 | if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) { |
|
1331 | return 1; |
|
1332 | } |
|
1333 | ||
1334 | // Maintain original order |
|
1335 | return sortInput ? |
|
1336 | ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : |
|
1337 | 0; |
|
1338 | } |
|
1339 | ||
1340 | return compare & 4 ? -1 : 1; |
|
1341 | } : |
|
1342 | function( a, b ) { |
|
1343 | // Exit early if the nodes are identical |
|
1344 | if ( a === b ) { |
|
1345 | hasDuplicate = true; |
|
1346 | return 0; |
|
1347 | } |
|
1348 | ||
1349 | var cur, |
|
1350 | i = 0, |
|
1351 | aup = a.parentNode, |
|
1352 | bup = b.parentNode, |
|
1353 | ap = [ a ], |
|
1354 | bp = [ b ]; |
|
1355 | ||
1356 | // Parentless nodes are either documents or disconnected |
|
1357 | if ( !aup || !bup ) { |
|
1358 | return a === document ? -1 : |
|
1359 | b === document ? 1 : |
|
1360 | aup ? -1 : |
|
1361 | bup ? 1 : |
|
1362 | sortInput ? |
|
1363 | ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : |
|
1364 | 0; |
|
1365 | ||
1366 | // If the nodes are siblings, we can do a quick check |
|
1367 | } else if ( aup === bup ) { |
|
1368 | return siblingCheck( a, b ); |
|
1369 | } |
|
1370 | ||
1371 | // Otherwise we need full lists of their ancestors for comparison |
|
1372 | cur = a; |
|
1373 | while ( (cur = cur.parentNode) ) { |
|
1374 | ap.unshift( cur ); |
|
1375 | } |
|
1376 | cur = b; |
|
1377 | while ( (cur = cur.parentNode) ) { |
|
1378 | bp.unshift( cur ); |
|
1379 | } |
|
1380 | ||
1381 | // Walk down the tree looking for a discrepancy |
|
1382 | while ( ap[i] === bp[i] ) { |
|
1383 | i++; |
|
1384 | } |
|
1385 | ||
1386 | return i ? |
|
1387 | // Do a sibling check if the nodes have a common ancestor |
|
1388 | siblingCheck( ap[i], bp[i] ) : |
|
1389 | ||
1390 | // Otherwise nodes in our document sort first |
|
1391 | ap[i] === preferredDoc ? -1 : |
|
1392 | bp[i] === preferredDoc ? 1 : |
|
1393 | 0; |
|
1394 | }; |
|
1395 | ||
1396 | return document; |
|
1397 | }; |
|
1398 | ||
1399 | Sizzle.matches = function( expr, elements ) { |
|
1400 | return Sizzle( expr, null, null, elements ); |
|
1401 | }; |
|
1402 | ||
1403 | Sizzle.matchesSelector = function( elem, expr ) { |
|
1404 | // Set document vars if needed |
|
1405 | if ( ( elem.ownerDocument || elem ) !== document ) { |
|
1406 | setDocument( elem ); |
|
1407 | } |
|
1408 | ||
1409 | // Make sure that attribute selectors are quoted |
|
1410 | expr = expr.replace( rattributeQuotes, "='$1']" ); |
|
1411 | ||
1412 | if ( support.matchesSelector && documentIsHTML && |
|
1413 | !compilerCache[ expr + " " ] && |
|
1414 | ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) && |
|
1415 | ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) { |
|
1416 | ||
1417 | try { |
|
1418 | var ret = matches.call( elem, expr ); |
|
1419 | ||
1420 | // IE 9's matchesSelector returns false on disconnected nodes |
|
1421 | if ( ret || support.disconnectedMatch || |
|
1422 | // As well, disconnected nodes are said to be in a document |
|
1423 | // fragment in IE 9 |
|
1424 | elem.document && elem.document.nodeType !== 11 ) { |
|
1425 | return ret; |
|
1426 | } |
|
1427 | } catch (e) {} |
|
1428 | } |
|
1429 | ||
1430 | return Sizzle( expr, document, null, [ elem ] ).length > 0; |
|
1431 | }; |
|
1432 | ||
1433 | Sizzle.contains = function( context, elem ) { |
|
1434 | // Set document vars if needed |
|
1435 | if ( ( context.ownerDocument || context ) !== document ) { |
|
1436 | setDocument( context ); |
|
1437 | } |
|
1438 | return contains( context, elem ); |
|
1439 | }; |
|
1440 | ||
1441 | Sizzle.attr = function( elem, name ) { |
|
1442 | // Set document vars if needed |
|
1443 | if ( ( elem.ownerDocument || elem ) !== document ) { |
|
1444 | setDocument( elem ); |
|
1445 | } |
|
1446 | ||
1447 | var fn = Expr.attrHandle[ name.toLowerCase() ], |
|
1448 | // Don't get fooled by Object.prototype properties (jQuery #13807) |
|
1449 | val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ? |
|
1450 | fn( elem, name, !documentIsHTML ) : |
|
1451 | undefined; |
|
1452 | ||
1453 | return val !== undefined ? |
|
1454 | val : |
|
1455 | support.attributes || !documentIsHTML ? |
|
1456 | elem.getAttribute( name ) : |
|
1457 | (val = elem.getAttributeNode(name)) && val.specified ? |
|
1458 | val.value : |
|
1459 | null; |
|
1460 | }; |
|
1461 | ||
1462 | Sizzle.error = function( msg ) { |
|
1463 | throw new Error( "Syntax error, unrecognized expression: " + msg ); |
|
1464 | }; |
|
1465 | ||
1466 | /** |
|
1467 | * Document sorting and removing duplicates |
|
1468 | * @param {ArrayLike} results |
|
1469 | */ |
|
1470 | Sizzle.uniqueSort = function( results ) { |
|
1471 | var elem, |
|
1472 | duplicates = [], |
|
1473 | j = 0, |
|
1474 | i = 0; |
|
1475 | ||
1476 | // Unless we *know* we can detect duplicates, assume their presence |
|
1477 | hasDuplicate = !support.detectDuplicates; |
|
1478 | sortInput = !support.sortStable && results.slice( 0 ); |
|
1479 | results.sort( sortOrder ); |
|
1480 | ||
1481 | if ( hasDuplicate ) { |
|
1482 | while ( (elem = results[i++]) ) { |
|
1483 | if ( elem === results[ i ] ) { |
|
1484 | j = duplicates.push( i ); |
|
1485 | } |
|
1486 | } |
|
1487 | while ( j-- ) { |
|
1488 | results.splice( duplicates[ j ], 1 ); |
|
1489 | } |
|
1490 | } |
|
1491 | ||
1492 | // Clear input after sorting to release objects |
|
1493 | // See https://github.com/jquery/sizzle/pull/225 |
|
1494 | sortInput = null; |
|
1495 | ||
1496 | return results; |
|
1497 | }; |
|
1498 | ||
1499 | /** |
|
1500 | * Utility function for retrieving the text value of an array of DOM nodes |
|
1501 | * @param {Array|Element} elem |
|
1502 | */ |
|
1503 | getText = Sizzle.getText = function( elem ) { |
|
1504 | var node, |
|
1505 | ret = "", |
|
1506 | i = 0, |
|
1507 | nodeType = elem.nodeType; |
|
1508 | ||
1509 | if ( !nodeType ) { |
|
1510 | // If no nodeType, this is expected to be an array |
|
1511 | while ( (node = elem[i++]) ) { |
|
1512 | // Do not traverse comment nodes |
|
1513 | ret += getText( node ); |
|
1514 | } |
|
1515 | } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) { |
|
1516 | // Use textContent for elements |
|
1517 | // innerText usage removed for consistency of new lines (jQuery #11153) |
|
1518 | if ( typeof elem.textContent === "string" ) { |
|
1519 | return elem.textContent; |
|
1520 | } else { |
|
1521 | // Traverse its children |
|
1522 | for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { |
|
1523 | ret += getText( elem ); |
|
1524 | } |
|
1525 | } |
|
1526 | } else if ( nodeType === 3 || nodeType === 4 ) { |
|
1527 | return elem.nodeValue; |
|
1528 | } |
|
1529 | // Do not include comment or processing instruction nodes |
|
1530 | ||
1531 | return ret; |
|
1532 | }; |
|
1533 | ||
1534 | Expr = Sizzle.selectors = { |
|
1535 | ||
1536 | // Can be adjusted by the user |
|
1537 | cacheLength: 50, |
|
1538 | ||
1539 | createPseudo: markFunction, |
|
1540 | ||
1541 | match: matchExpr, |
|
1542 | ||
1543 | attrHandle: {}, |
|
1544 | ||
1545 | find: {}, |
|
1546 | ||
1547 | relative: { |
|
1548 | ">": { dir: "parentNode", first: true }, |
|
1549 | " ": { dir: "parentNode" }, |
|
1550 | "+": { dir: "previousSibling", first: true }, |
|
1551 | "~": { dir: "previousSibling" } |
|
1552 | }, |
|
1553 | ||
1554 | preFilter: { |
|
1555 | "ATTR": function( match ) { |
|
1556 | match[1] = match[1].replace( runescape, funescape ); |
|
1557 | ||
1558 | // Move the given value to match[3] whether quoted or unquoted |
|
1559 | match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape ); |
|
1560 | ||
1561 | if ( match[2] === "~=" ) { |
|
1562 | match[3] = " " + match[3] + " "; |
|
1563 | } |
|
1564 | ||
1565 | return match.slice( 0, 4 ); |
|
1566 | }, |
|
1567 | ||
1568 | "CHILD": function( match ) { |
|
1569 | /* matches from matchExpr["CHILD"] |
|
1570 | 1 type (only|nth|...) |
|
1571 | 2 what (child|of-type) |
|
1572 | 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...) |
|
1573 | 4 xn-component of xn+y argument ([+-]?\d*n|) |
|
1574 | 5 sign of xn-component |
|
1575 | 6 x of xn-component |
|
1576 | 7 sign of y-component |
|
1577 | 8 y of y-component |
|
1578 | */ |
|
1579 | match[1] = match[1].toLowerCase(); |
|
1580 | ||
1581 | if ( match[1].slice( 0, 3 ) === "nth" ) { |
|
1582 | // nth-* requires argument |
|
1583 | if ( !match[3] ) { |
|
1584 | Sizzle.error( match[0] ); |
|
1585 | } |
|
1586 | ||
1587 | // numeric x and y parameters for Expr.filter.CHILD |
|
1588 | // remember that false/true cast respectively to 0/1 |
|
1589 | match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) ); |
|
1590 | match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" ); |
|
1591 | ||
1592 | // other types prohibit arguments |
|
1593 | } else if ( match[3] ) { |
|
1594 | Sizzle.error( match[0] ); |
|
1595 | } |
|
1596 | ||
1597 | return match; |
|
1598 | }, |
|
1599 | ||
1600 | "PSEUDO": function( match ) { |
|
1601 | var excess, |
|
1602 | unquoted = !match[6] && match[2]; |
|
1603 | ||
1604 | if ( matchExpr["CHILD"].test( match[0] ) ) { |
|
1605 | return null; |
|
1606 | } |
|
1607 | ||
1608 | // Accept quoted arguments as-is |
|
1609 | if ( match[3] ) { |
|
1610 | match[2] = match[4] || match[5] || ""; |
|
1611 | ||
1612 | // Strip excess characters from unquoted arguments |
|
1613 | } else if ( unquoted && rpseudo.test( unquoted ) && |
|
1614 | // Get excess from tokenize (recursively) |
|
1615 | (excess = tokenize( unquoted, true )) && |
|
1616 | // advance to the next closing parenthesis |
|
1617 | (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) { |
|
1618 | ||
1619 | // excess is a negative index |
|
1620 | match[0] = match[0].slice( 0, excess ); |
|
1621 | match[2] = unquoted.slice( 0, excess ); |
|
1622 | } |
|
1623 | ||
1624 | // Return only captures needed by the pseudo filter method (type and argument) |
|
1625 | return match.slice( 0, 3 ); |
|
1626 | } |
|
1627 | }, |
|
1628 | ||
1629 | filter: { |
|
1630 | ||
1631 | "TAG": function( nodeNameSelector ) { |
|
1632 | var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase(); |
|
1633 | return nodeNameSelector === "*" ? |
|
1634 | function() { return true; } : |
|
1635 | function( elem ) { |
|
1636 | return elem.nodeName && elem.nodeName.toLowerCase() === nodeName; |
|
1637 | }; |
|
1638 | }, |
|
1639 | ||
1640 | "CLASS": function( className ) { |
|
1641 | var pattern = classCache[ className + " " ]; |
|
1642 | ||
1643 | return pattern || |
|
1644 | (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) && |
|
1645 | classCache( className, function( elem ) { |
|
1646 | return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" ); |
|
1647 | }); |
|
1648 | }, |
|
1649 | ||
1650 | "ATTR": function( name, operator, check ) { |
|
1651 | return function( elem ) { |
|
1652 | var result = Sizzle.attr( elem, name ); |
|
1653 | ||
1654 | if ( result == null ) { |
|
1655 | return operator === "!="; |
|
1656 | } |
|
1657 | if ( !operator ) { |
|
1658 | return true; |
|
1659 | } |
|
1660 | ||
1661 | result += ""; |
|
1662 | ||
1663 | return operator === "=" ? result === check : |
|
1664 | operator === "!=" ? result !== check : |
|
1665 | operator === "^=" ? check && result.indexOf( check ) === 0 : |
|
1666 | operator === "*=" ? check && result.indexOf( check ) > -1 : |
|
1667 | operator === "$=" ? check && result.slice( -check.length ) === check : |
|
1668 | operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 : |
|
1669 | operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" : |
|
1670 | false; |
|
1671 | }; |
|
1672 | }, |
|
1673 | ||
1674 | "CHILD": function( type, what, argument, first, last ) { |
|
1675 | var simple = type.slice( 0, 3 ) !== "nth", |
|
1676 | forward = type.slice( -4 ) !== "last", |
|
1677 | ofType = what === "of-type"; |
|
1678 | ||
1679 | return first === 1 && last === 0 ? |
|
1680 | ||
1681 | // Shortcut for :nth-*(n) |
|
1682 | function( elem ) { |
|
1683 | return !!elem.parentNode; |
|
1684 | } : |
|
1685 | ||
1686 | function( elem, context, xml ) { |
|
1687 | var cache, uniqueCache, outerCache, node, nodeIndex, start, |
|
1688 | dir = simple !== forward ? "nextSibling" : "previousSibling", |
|
1689 | parent = elem.parentNode, |
|
1690 | name = ofType && elem.nodeName.toLowerCase(), |
|
1691 | useCache = !xml && !ofType, |
|
1692 | diff = false; |
|
1693 | ||
1694 | if ( parent ) { |
|
1695 | ||
1696 | // :(first|last|only)-(child|of-type) |
|
1697 | if ( simple ) { |
|
1698 | while ( dir ) { |
|
1699 | node = elem; |
|
1700 | while ( (node = node[ dir ]) ) { |
|
1701 | if ( ofType ? |
|
1702 | node.nodeName.toLowerCase() === name : |
|
1703 | node.nodeType === 1 ) { |
|
1704 | ||
1705 | return false; |
|
1706 | } |
|
1707 | } |
|
1708 | // Reverse direction for :only-* (if we haven't yet done so) |
|
1709 | start = dir = type === "only" && !start && "nextSibling"; |
|
1710 | } |
|
1711 | return true; |
|
1712 | } |
|
1713 | ||
1714 | start = [ forward ? parent.firstChild : parent.lastChild ]; |
|
1715 | ||
1716 | // non-xml :nth-child(...) stores cache data on `parent` |
|
1717 | if ( forward && useCache ) { |
|
1718 | ||
1719 | // Seek `elem` from a previously-cached index |
|
1720 | ||
1721 | // ...in a gzip-friendly way |
|
1722 | node = parent; |
|
1723 | outerCache = node[ expando ] || (node[ expando ] = {}); |
|
1724 | ||
1725 | // Support: IE <9 only |
|
1726 | // Defend against cloned attroperties (jQuery gh-1709) |
|
1727 | uniqueCache = outerCache[ node.uniqueID ] || |
|
1728 | (outerCache[ node.uniqueID ] = {}); |
|
1729 | ||
1730 | cache = uniqueCache[ type ] || []; |
|
1731 | nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; |
|
1732 | diff = nodeIndex && cache[ 2 ]; |
|
1733 | node = nodeIndex && parent.childNodes[ nodeIndex ]; |
|
1734 | ||
1735 | while ( (node = ++nodeIndex && node && node[ dir ] || |
|
1736 | ||
1737 | // Fallback to seeking `elem` from the start |
|
1738 | (diff = nodeIndex = 0) || start.pop()) ) { |
|
1739 | ||
1740 | // When found, cache indexes on `parent` and break |
|
1741 | if ( node.nodeType === 1 && ++diff && node === elem ) { |
|
1742 | uniqueCache[ type ] = [ dirruns, nodeIndex, diff ]; |
|
1743 | break; |
|
1744 | } |
|
1745 | } |
|
1746 | ||
1747 | } else { |
|
1748 | // Use previously-cached element index if available |
|
1749 | if ( useCache ) { |
|
1750 | // ...in a gzip-friendly way |
|
1751 | node = elem; |
|
1752 | outerCache = node[ expando ] || (node[ expando ] = {}); |
|
1753 | ||
1754 | // Support: IE <9 only |
|
1755 | // Defend against cloned attroperties (jQuery gh-1709) |
|
1756 | uniqueCache = outerCache[ node.uniqueID ] || |
|
1757 | (outerCache[ node.uniqueID ] = {}); |
|
1758 | ||
1759 | cache = uniqueCache[ type ] || []; |
|
1760 | nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; |
|
1761 | diff = nodeIndex; |
|
1762 | } |
|
1763 | ||
1764 | // xml :nth-child(...) |
|
1765 | // or :nth-last-child(...) or :nth(-last)?-of-type(...) |
|
1766 | if ( diff === false ) { |
|
1767 | // Use the same loop as above to seek `elem` from the start |
|
1768 | while ( (node = ++nodeIndex && node && node[ dir ] || |
|
1769 | (diff = nodeIndex = 0) || start.pop()) ) { |
|
1770 | ||
1771 | if ( ( ofType ? |
|
1772 | node.nodeName.toLowerCase() === name : |
|
1773 | node.nodeType === 1 ) && |
|
1774 | ++diff ) { |
|
1775 | ||
1776 | // Cache the index of each encountered element |
|
1777 | if ( useCache ) { |
|
1778 | outerCache = node[ expando ] || (node[ expando ] = {}); |
|
1779 | ||
1780 | // Support: IE <9 only |
|
1781 | // Defend against cloned attroperties (jQuery gh-1709) |
|
1782 | uniqueCache = outerCache[ node.uniqueID ] || |
|
1783 | (outerCache[ node.uniqueID ] = {}); |
|
1784 | ||
1785 | uniqueCache[ type ] = [ dirruns, diff ]; |
|
1786 | } |
|
1787 | ||
1788 | if ( node === elem ) { |
|
1789 | break; |
|
1790 | } |
|
1791 | } |
|
1792 | } |
|
1793 | } |
|
1794 | } |
|
1795 | ||
1796 | // Incorporate the offset, then check against cycle size |
|
1797 | diff -= last; |
|
1798 | return diff === first || ( diff % first === 0 && diff / first >= 0 ); |
|
1799 | } |
|
1800 | }; |
|
1801 | }, |
|
1802 | ||
1803 | "PSEUDO": function( pseudo, argument ) { |
|
1804 | // pseudo-class names are case-insensitive |
|
1805 | // http://www.w3.org/TR/selectors/#pseudo-classes |
|
1806 | // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters |
|
1807 | // Remember that setFilters inherits from pseudos |
|
1808 | var args, |
|
1809 | fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] || |
|
1810 | Sizzle.error( "unsupported pseudo: " + pseudo ); |
|
1811 | ||
1812 | // The user may use createPseudo to indicate that |
|
1813 | // arguments are needed to create the filter function |
|
1814 | // just as Sizzle does |
|
1815 | if ( fn[ expando ] ) { |
|
1816 | return fn( argument ); |
|
1817 | } |
|
1818 | ||
1819 | // But maintain support for old signatures |
|
1820 | if ( fn.length > 1 ) { |
|
1821 | args = [ pseudo, pseudo, "", argument ]; |
|
1822 | return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ? |
|
1823 | markFunction(function( seed, matches ) { |
|
1824 | var idx, |
|
1825 | matched = fn( seed, argument ), |
|
1826 | i = matched.length; |
|
1827 | while ( i-- ) { |
|
1828 | idx = indexOf( seed, matched[i] ); |
|
1829 | seed[ idx ] = !( matches[ idx ] = matched[i] ); |
|
1830 | } |
|
1831 | }) : |
|
1832 | function( elem ) { |
|
1833 | return fn( elem, 0, args ); |
|
1834 | }; |
|
1835 | } |
|
1836 | ||
1837 | return fn; |
|
1838 | } |
|
1839 | }, |
|
1840 | ||
1841 | pseudos: { |
|
1842 | // Potentially complex pseudos |
|
1843 | "not": markFunction(function( selector ) { |
|
1844 | // Trim the selector passed to compile |
|
1845 | // to avoid treating leading and trailing |
|
1846 | // spaces as combinators |
|
1847 | var input = [], |
|
1848 | results = [], |
|
1849 | matcher = compile( selector.replace( rtrim, "$1" ) ); |
|
1850 | ||
1851 | return matcher[ expando ] ? |
|
1852 | markFunction(function( seed, matches, context, xml ) { |
|
1853 | var elem, |
|
1854 | unmatched = matcher( seed, null, xml, [] ), |
|
1855 | i = seed.length; |
|
1856 | ||
1857 | // Match elements unmatched by `matcher` |
|
1858 | while ( i-- ) { |
|
1859 | if ( (elem = unmatched[i]) ) { |
|
1860 | seed[i] = !(matches[i] = elem); |
|
1861 | } |
|
1862 | } |
|
1863 | }) : |
|
1864 | function( elem, context, xml ) { |
|
1865 | input[0] = elem; |
|
1866 | matcher( input, null, xml, results ); |
|
1867 | // Don't keep the element (issue #299) |
|
1868 | input[0] = null; |
|
1869 | return !results.pop(); |
|
1870 | }; |
|
1871 | }), |
|
1872 | ||
1873 | "has": markFunction(function( selector ) { |
|
1874 | return function( elem ) { |
|
1875 | return Sizzle( selector, elem ).length > 0; |
|
1876 | }; |
|
1877 | }), |
|
1878 | ||
1879 | "contains": markFunction(function( text ) { |
|
1880 | text = text.replace( runescape, funescape ); |
|
1881 | return function( elem ) { |
|
1882 | return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1; |
|
1883 | }; |
|
1884 | }), |
|
1885 | ||
1886 | // "Whether an element is represented by a :lang() selector |
|
1887 | // is based solely on the element's language value |
|
1888 | // being equal to the identifier C, |
|
1889 | // or beginning with the identifier C immediately followed by "-". |
|
1890 | // The matching of C against the element's language value is performed case-insensitively. |
|
1891 | // The identifier C does not have to be a valid language name." |
|
1892 | // http://www.w3.org/TR/selectors/#lang-pseudo |
|
1893 | "lang": markFunction( function( lang ) { |
|
1894 | // lang value must be a valid identifier |
|
1895 | if ( !ridentifier.test(lang || "") ) { |
|
1896 | Sizzle.error( "unsupported lang: " + lang ); |
|
1897 | } |
|
1898 | lang = lang.replace( runescape, funescape ).toLowerCase(); |
|
1899 | return function( elem ) { |
|
1900 | var elemLang; |
|
1901 | do { |
|
1902 | if ( (elemLang = documentIsHTML ? |
|
1903 | elem.lang : |
|
1904 | elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) { |
|
1905 | ||
1906 | elemLang = elemLang.toLowerCase(); |
|
1907 | return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0; |
|
1908 | } |
|
1909 | } while ( (elem = elem.parentNode) && elem.nodeType === 1 ); |
|
1910 | return false; |
|
1911 | }; |
|
1912 | }), |
|
1913 | ||
1914 | // Miscellaneous |
|
1915 | "target": function( elem ) { |
|
1916 | var hash = window.location && window.location.hash; |
|
1917 | return hash && hash.slice( 1 ) === elem.id; |
|
1918 | }, |
|
1919 | ||
1920 | "root": function( elem ) { |
|
1921 | return elem === docElem; |
|
1922 | }, |
|
1923 | ||
1924 | "focus": function( elem ) { |
|
1925 | return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex); |
|
1926 | }, |
|
1927 | ||
1928 | // Boolean properties |
|
1929 | "enabled": function( elem ) { |
|
1930 | return elem.disabled === false; |
|
1931 | }, |
|
1932 | ||
1933 | "disabled": function( elem ) { |
|
1934 | return elem.disabled === true; |
|
1935 | }, |
|
1936 | ||
1937 | "checked": function( elem ) { |
|
1938 | // In CSS3, :checked should return both checked and selected elements |
|
1939 | // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked |
|
1940 | var nodeName = elem.nodeName.toLowerCase(); |
|
1941 | return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected); |
|
1942 | }, |
|
1943 | ||
1944 | "selected": function( elem ) { |
|
1945 | // Accessing this property makes selected-by-default |
|
1946 | // options in Safari work properly |
|
1947 | if ( elem.parentNode ) { |
|
1948 | elem.parentNode.selectedIndex; |
|
1949 | } |
|
1950 | ||
1951 | return elem.selected === true; |
|
1952 | }, |
|
1953 | ||
1954 | // Contents |
|
1955 | "empty": function( elem ) { |
|
1956 | // http://www.w3.org/TR/selectors/#empty-pseudo |
|
1957 | // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5), |
|
1958 | // but not by others (comment: 8; processing instruction: 7; etc.) |
|
1959 | // nodeType < 6 works because attributes (2) do not appear as children |
|
1960 | for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { |
|
1961 | if ( elem.nodeType < 6 ) { |
|
1962 | return false; |
|
1963 | } |
|
1964 | } |
|
1965 | return true; |
|
1966 | }, |
|
1967 | ||
1968 | "parent": function( elem ) { |
|
1969 | return !Expr.pseudos["empty"]( elem ); |
|
1970 | }, |
|
1971 | ||
1972 | // Element/input types |
|
1973 | "header": function( elem ) { |
|
1974 | return rheader.test( elem.nodeName ); |
|
1975 | }, |
|
1976 | ||
1977 | "input": function( elem ) { |
|
1978 | return rinputs.test( elem.nodeName ); |
|
1979 | }, |
|
1980 | ||
1981 | "button": function( elem ) { |
|
1982 | var name = elem.nodeName.toLowerCase(); |
|
1983 | return name === "input" && elem.type === "button" || name === "button"; |
|
1984 | }, |
|
1985 | ||
1986 | "text": function( elem ) { |
|
1987 | var attr; |
|
1988 | return elem.nodeName.toLowerCase() === "input" && |
|
1989 | elem.type === "text" && |
|
1990 | ||
1991 | // Support: IE<8 |
|
1992 | // New HTML5 attribute values (e.g., "search") appear with elem.type === "text" |
|
1993 | ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" ); |
|
1994 | }, |
|
1995 | ||
1996 | // Position-in-collection |
|
1997 | "first": createPositionalPseudo(function() { |
|
1998 | return [ 0 ]; |
|
1999 | }), |
|
2000 | ||
2001 | "last": createPositionalPseudo(function( matchIndexes, length ) { |
|
2002 | return [ length - 1 ]; |
|
2003 | }), |
|
2004 | ||
2005 | "eq": createPositionalPseudo(function( matchIndexes, length, argument ) { |
|
2006 | return [ argument < 0 ? argument + length : argument ]; |
|
2007 | }), |
|
2008 | ||
2009 | "even": createPositionalPseudo(function( matchIndexes, length ) { |
|
2010 | var i = 0; |
|
2011 | for ( ; i < length; i += 2 ) { |
|
2012 | matchIndexes.push( i ); |
|
2013 | } |
|
2014 | return matchIndexes; |
|
2015 | }), |
|
2016 | ||
2017 | "odd": createPositionalPseudo(function( matchIndexes, length ) { |
|
2018 | var i = 1; |
|
2019 | for ( ; i < length; i += 2 ) { |
|
2020 | matchIndexes.push( i ); |
|
2021 | } |
|
2022 | return matchIndexes; |
|
2023 | }), |
|
2024 | ||
2025 | "lt": createPositionalPseudo(function( matchIndexes, length, argument ) { |
|
2026 | var i = argument < 0 ? argument + length : argument; |
|
2027 | for ( ; --i >= 0; ) { |
|
2028 | matchIndexes.push( i ); |
|
2029 | } |
|
2030 | return matchIndexes; |
|
2031 | }), |
|
2032 | ||
2033 | "gt": createPositionalPseudo(function( matchIndexes, length, argument ) { |
|
2034 | var i = argument < 0 ? argument + length : argument; |
|
2035 | for ( ; ++i < length; ) { |
|
2036 | matchIndexes.push( i ); |
|
2037 | } |
|
2038 | return matchIndexes; |
|
2039 | }) |
|
2040 | } |
|
2041 | }; |
|
2042 | ||
2043 | Expr.pseudos["nth"] = Expr.pseudos["eq"]; |
|
2044 | ||
2045 | // Add button/input type pseudos |
|
2046 | for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) { |
|
2047 | Expr.pseudos[ i ] = createInputPseudo( i ); |
|
2048 | } |
|
2049 | for ( i in { submit: true, reset: true } ) { |
|
2050 | Expr.pseudos[ i ] = createButtonPseudo( i ); |
|
2051 | } |
|
2052 | ||
2053 | // Easy API for creating new setFilters |
|
2054 | function setFilters() {} |
|
2055 | setFilters.prototype = Expr.filters = Expr.pseudos; |
|
2056 | Expr.setFilters = new setFilters(); |
|
2057 | ||
2058 | tokenize = Sizzle.tokenize = function( selector, parseOnly ) { |
|
2059 | var matched, match, tokens, type, |
|
2060 | soFar, groups, preFilters, |
|
2061 | cached = tokenCache[ selector + " " ]; |
|
2062 | ||
2063 | if ( cached ) { |
|
2064 | return parseOnly ? 0 : cached.slice( 0 ); |
|
2065 | } |
|
2066 | ||
2067 | soFar = selector; |
|
2068 | groups = []; |
|
2069 | preFilters = Expr.preFilter; |
|
2070 | ||
2071 | while ( soFar ) { |
|
2072 | ||
2073 | // Comma and first run |
|
2074 | if ( !matched || (match = rcomma.exec( soFar )) ) { |
|
2075 | if ( match ) { |
|
2076 | // Don't consume trailing commas as valid |
|
2077 | soFar = soFar.slice( match[0].length ) || soFar; |
|
2078 | } |
|
2079 | groups.push( (tokens = []) ); |
|
2080 | } |
|
2081 | ||
2082 | matched = false; |
|
2083 | ||
2084 | // Combinators |
|
2085 | if ( (match = rcombinators.exec( soFar )) ) { |
|
2086 | matched = match.shift(); |
|
2087 | tokens.push({ |
|
2088 | value: matched, |
|
2089 | // Cast descendant combinators to space |
|
2090 | type: match[0].replace( rtrim, " " ) |
|
2091 | }); |
|
2092 | soFar = soFar.slice( matched.length ); |
|
2093 | } |
|
2094 | ||
2095 | // Filters |
|
2096 | for ( type in Expr.filter ) { |
|
2097 | if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] || |
|
2098 | (match = preFilters[ type ]( match ))) ) { |
|
2099 | matched = match.shift(); |
|
2100 | tokens.push({ |
|
2101 | value: matched, |
|
2102 | type: type, |
|
2103 | matches: match |
|
2104 | }); |
|
2105 | soFar = soFar.slice( matched.length ); |
|
2106 | } |
|
2107 | } |
|
2108 | ||
2109 | if ( !matched ) { |
|
2110 | break; |
|
2111 | } |
|
2112 | } |
|
2113 | ||
2114 | // Return the length of the invalid excess |
|
2115 | // if we're just parsing |
|
2116 | // Otherwise, throw an error or return tokens |
|
2117 | return parseOnly ? |
|
2118 | soFar.length : |
|
2119 | soFar ? |
|
2120 | Sizzle.error( selector ) : |
|
2121 | // Cache the tokens |
|
2122 | tokenCache( selector, groups ).slice( 0 ); |
|
2123 | }; |
|
2124 | ||
2125 | function toSelector( tokens ) { |
|
2126 | var i = 0, |
|
2127 | len = tokens.length, |
|
2128 | selector = ""; |
|
2129 | for ( ; i < len; i++ ) { |
|
2130 | selector += tokens[i].value; |
|
2131 | } |
|
2132 | return selector; |
|
2133 | } |
|
2134 | ||
2135 | function addCombinator( matcher, combinator, base ) { |
|
2136 | var dir = combinator.dir, |
|
2137 | checkNonElements = base && dir === "parentNode", |
|
2138 | doneName = done++; |
|
2139 | ||
2140 | return combinator.first ? |
|
2141 | // Check against closest ancestor/preceding element |
|
2142 | function( elem, context, xml ) { |
|
2143 | while ( (elem = elem[ dir ]) ) { |
|
2144 | if ( elem.nodeType === 1 || checkNonElements ) { |
|
2145 | return matcher( elem, context, xml ); |
|
2146 | } |
|
2147 | } |
|
2148 | } : |
|
2149 | ||
2150 | // Check against all ancestor/preceding elements |
|
2151 | function( elem, context, xml ) { |
|
2152 | var oldCache, uniqueCache, outerCache, |
|
2153 | newCache = [ dirruns, doneName ]; |
|
2154 | ||
2155 | // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching |
|
2156 | if ( xml ) { |
|
2157 | while ( (elem = elem[ dir ]) ) { |
|
2158 | if ( elem.nodeType === 1 || checkNonElements ) { |
|
2159 | if ( matcher( elem, context, xml ) ) { |
|
2160 | return true; |
|
2161 | } |
|
2162 | } |
|
2163 | } |
|
2164 | } else { |
|
2165 | while ( (elem = elem[ dir ]) ) { |
|
2166 | if ( elem.nodeType === 1 || checkNonElements ) { |
|
2167 | outerCache = elem[ expando ] || (elem[ expando ] = {}); |
|
2168 | ||
2169 | // Support: IE <9 only |
|
2170 | // Defend against cloned attroperties (jQuery gh-1709) |
|
2171 | uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {}); |
|
2172 | ||
2173 | if ( (oldCache = uniqueCache[ dir ]) && |
|
2174 | oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) { |
|
2175 | ||
2176 | // Assign to newCache so results back-propagate to previous elements |
|
2177 | return (newCache[ 2 ] = oldCache[ 2 ]); |
|
2178 | } else { |
|
2179 | // Reuse newcache so results back-propagate to previous elements |
|
2180 | uniqueCache[ dir ] = newCache; |
|
2181 | ||
2182 | // A match means we're done; a fail means we have to keep checking |
|
2183 | if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) { |
|
2184 | return true; |
|
2185 | } |
|
2186 | } |
|
2187 | } |
|
2188 | } |
|
2189 | } |
|
2190 | }; |
|
2191 | } |
|
2192 | ||
2193 | function elementMatcher( matchers ) { |
|
2194 | return matchers.length > 1 ? |
|
2195 | function( elem, context, xml ) { |
|
2196 | var i = matchers.length; |
|
2197 | while ( i-- ) { |
|
2198 | if ( !matchers[i]( elem, context, xml ) ) { |
|
2199 | return false; |
|
2200 | } |
|
2201 | } |
|
2202 | return true; |
|
2203 | } : |
|
2204 | matchers[0]; |
|
2205 | } |
|
2206 | ||
2207 | function multipleContexts( selector, contexts, results ) { |
|
2208 | var i = 0, |
|
2209 | len = contexts.length; |
|
2210 | for ( ; i < len; i++ ) { |
|
2211 | Sizzle( selector, contexts[i], results ); |
|
2212 | } |
|
2213 | return results; |
|
2214 | } |
|
2215 | ||
2216 | function condense( unmatched, map, filter, context, xml ) { |
|
2217 | var elem, |
|
2218 | newUnmatched = [], |
|
2219 | i = 0, |
|
2220 | len = unmatched.length, |
|
2221 | mapped = map != null; |
|
2222 | ||
2223 | for ( ; i < len; i++ ) { |
|
2224 | if ( (elem = unmatched[i]) ) { |
|
2225 | if ( !filter || filter( elem, context, xml ) ) { |
|
2226 | newUnmatched.push( elem ); |
|
2227 | if ( mapped ) { |
|
2228 | map.push( i ); |
|
2229 | } |
|
2230 | } |
|
2231 | } |
|
2232 | } |
|
2233 | ||
2234 | return newUnmatched; |
|
2235 | } |
|
2236 | ||
2237 | function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) { |
|
2238 | if ( postFilter && !postFilter[ expando ] ) { |
|
2239 | postFilter = setMatcher( postFilter ); |
|
2240 | } |
|
2241 | if ( postFinder && !postFinder[ expando ] ) { |
|
2242 | postFinder = setMatcher( postFinder, postSelector ); |
|
2243 | } |
|
2244 | return markFunction(function( seed, results, context, xml ) { |
|
2245 | var temp, i, elem, |
|
2246 | preMap = [], |
|
2247 | postMap = [], |
|
2248 | preexisting = results.length, |
|
2249 | ||
2250 | // Get initial elements from seed or context |
|
2251 | elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ), |
|
2252 | ||
2253 | // Prefilter to get matcher input, preserving a map for seed-results synchronization |
|
2254 | matcherIn = preFilter && ( seed || !selector ) ? |
|
2255 | condense( elems, preMap, preFilter, context, xml ) : |
|
2256 | elems, |
|
2257 | ||
2258 | matcherOut = matcher ? |
|
2259 | // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results, |
|
2260 | postFinder || ( seed ? preFilter : preexisting || postFilter ) ? |
|
2261 | ||
2262 | // ...intermediate processing is necessary |
|
2263 | [] : |
|
2264 | ||
2265 | // ...otherwise use results directly |
|
2266 | results : |
|
2267 | matcherIn; |
|
2268 | ||
2269 | // Find primary matches |
|
2270 | if ( matcher ) { |
|
2271 | matcher( matcherIn, matcherOut, context, xml ); |
|
2272 | } |
|
2273 | ||
2274 | // Apply postFilter |
|
2275 | if ( postFilter ) { |
|
2276 | temp = condense( matcherOut, postMap ); |
|
2277 | postFilter( temp, [], context, xml ); |
|
2278 | ||
2279 | // Un-match failing elements by moving them back to matcherIn |
|
2280 | i = temp.length; |
|
2281 | while ( i-- ) { |
|
2282 | if ( (elem = temp[i]) ) { |
|
2283 | matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem); |
|
2284 | } |
|
2285 | } |
|
2286 | } |
|
2287 | ||
2288 | if ( seed ) { |
|
2289 | if ( postFinder || preFilter ) { |
|
2290 | if ( postFinder ) { |
|
2291 | // Get the final matcherOut by condensing this intermediate into postFinder contexts |
|
2292 | temp = []; |
|
2293 | i = matcherOut.length; |
|
2294 | while ( i-- ) { |
|
2295 | if ( (elem = matcherOut[i]) ) { |
|
2296 | // Restore matcherIn since elem is not yet a final match |
|
2297 | temp.push( (matcherIn[i] = elem) ); |
|
2298 | } |
|
2299 | } |
|
2300 | postFinder( null, (matcherOut = []), temp, xml ); |
|
2301 | } |
|
2302 | ||
2303 | // Move matched elements from seed to results to keep them synchronized |
|
2304 | i = matcherOut.length; |
|
2305 | while ( i-- ) { |
|
2306 | if ( (elem = matcherOut[i]) && |
|
2307 | (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) { |
|
2308 | ||
2309 | seed[temp] = !(results[temp] = elem); |
|
2310 | } |
|
2311 | } |
|
2312 | } |
|
2313 | ||
2314 | // Add elements to results, through postFinder if defined |
|
2315 | } else { |
|
2316 | matcherOut = condense( |
|
2317 | matcherOut === results ? |
|
2318 | matcherOut.splice( preexisting, matcherOut.length ) : |
|
2319 | matcherOut |
|
2320 | ); |
|
2321 | if ( postFinder ) { |
|
2322 | postFinder( null, results, matcherOut, xml ); |
|
2323 | } else { |
|
2324 | push.apply( results, matcherOut ); |
|
2325 | } |
|
2326 | } |
|
2327 | }); |
|
2328 | } |
|
2329 | ||
2330 | function matcherFromTokens( tokens ) { |
|
2331 | var checkContext, matcher, j, |
|
2332 | len = tokens.length, |
|
2333 | leadingRelative = Expr.relative[ tokens[0].type ], |
|
2334 | implicitRelative = leadingRelative || Expr.relative[" "], |
|
2335 | i = leadingRelative ? 1 : 0, |
|
2336 | ||
2337 | // The foundational matcher ensures that elements are reachable from top-level context(s) |
|
2338 | matchContext = addCombinator( function( elem ) { |
|
2339 | return elem === checkContext; |
|
2340 | }, implicitRelative, true ), |
|
2341 | matchAnyContext = addCombinator( function( elem ) { |
|
2342 | return indexOf( checkContext, elem ) > -1; |
|
2343 | }, implicitRelative, true ), |
|
2344 | matchers = [ function( elem, context, xml ) { |
|
2345 | var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || ( |
|
2346 | (checkContext = context).nodeType ? |
|
2347 | matchContext( elem, context, xml ) : |
|
2348 | matchAnyContext( elem, context, xml ) ); |
|
2349 | // Avoid hanging onto element (issue #299) |
|
2350 | checkContext = null; |
|
2351 | return ret; |
|
2352 | } ]; |
|
2353 | ||
2354 | for ( ; i < len; i++ ) { |
|
2355 | if ( (matcher = Expr.relative[ tokens[i].type ]) ) { |
|
2356 | matchers = [ addCombinator(elementMatcher( matchers ), matcher) ]; |
|
2357 | } else { |
|
2358 | matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches ); |
|
2359 | ||
2360 | // Return special upon seeing a positional matcher |
|
2361 | if ( matcher[ expando ] ) { |
|
2362 | // Find the next relative operator (if any) for proper handling |
|
2363 | j = ++i; |
|
2364 | for ( ; j < len; j++ ) { |
|
2365 | if ( Expr.relative[ tokens[j].type ] ) { |
|
2366 | break; |
|
2367 | } |
|
2368 | } |
|
2369 | return setMatcher( |
|
2370 | i > 1 && elementMatcher( matchers ), |
|
2371 | i > 1 && toSelector( |
|
2372 | // If the preceding token was a descendant combinator, insert an implicit any-element `*` |
|
2373 | tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" }) |
|
2374 | ).replace( rtrim, "$1" ), |
|
2375 | matcher, |
|
2376 | i < j && matcherFromTokens( tokens.slice( i, j ) ), |
|
2377 | j < len && matcherFromTokens( (tokens = tokens.slice( j )) ), |
|
2378 | j < len && toSelector( tokens ) |
|
2379 | ); |
|
2380 | } |
|
2381 | matchers.push( matcher ); |
|
2382 | } |
|
2383 | } |
|
2384 | ||
2385 | return elementMatcher( matchers ); |
|
2386 | } |
|
2387 | ||
2388 | function matcherFromGroupMatchers( elementMatchers, setMatchers ) { |
|
2389 | var bySet = setMatchers.length > 0, |
|
2390 | byElement = elementMatchers.length > 0, |
|
2391 | superMatcher = function( seed, context, xml, results, outermost ) { |
|
2392 | var elem, j, matcher, |
|
2393 | matchedCount = 0, |
|
2394 | i = "0", |
|
2395 | unmatched = seed && [], |
|
2396 | setMatched = [], |
|
2397 | contextBackup = outermostContext, |
|
2398 | // We must always have either seed elements or outermost context |
|
2399 | elems = seed || byElement && Expr.find["TAG"]( "*", outermost ), |
|
2400 | // Use integer dirruns iff this is the outermost matcher |
|
2401 | dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1), |
|
2402 | len = elems.length; |
|
2403 | ||
2404 | if ( outermost ) { |
|
2405 | outermostContext = context === document || context || outermost; |
|
2406 | } |
|
2407 | ||
2408 | // Add elements passing elementMatchers directly to results |
|
2409 | // Support: IE<9, Safari |
|
2410 | // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id |
|
2411 | for ( ; i !== len && (elem = elems[i]) != null; i++ ) { |
|
2412 | if ( byElement && elem ) { |
|
2413 | j = 0; |
|
2414 | if ( !context && elem.ownerDocument !== document ) { |
|
2415 | setDocument( elem ); |
|
2416 | xml = !documentIsHTML; |
|
2417 | } |
|
2418 | while ( (matcher = elementMatchers[j++]) ) { |
|
2419 | if ( matcher( elem, context || document, xml) ) { |
|
2420 | results.push( elem ); |
|
2421 | break; |
|
2422 | } |
|
2423 | } |
|
2424 | if ( outermost ) { |
|
2425 | dirruns = dirrunsUnique; |
|
2426 | } |
|
2427 | } |
|
2428 | ||
2429 | // Track unmatched elements for set filters |
|
2430 | if ( bySet ) { |
|
2431 | // They will have gone through all possible matchers |
|
2432 | if ( (elem = !matcher && elem) ) { |
|
2433 | matchedCount--; |
|
2434 | } |
|
2435 | ||
2436 | // Lengthen the array for every element, matched or not |
|
2437 | if ( seed ) { |
|
2438 | unmatched.push( elem ); |
|
2439 | } |
|
2440 | } |
|
2441 | } |
|
2442 | ||
2443 | // `i` is now the count of elements visited above, and adding it to `matchedCount` |
|
2444 | // makes the latter nonnegative. |
|
2445 | matchedCount += i; |
|
2446 | ||
2447 | // Apply set filters to unmatched elements |
|
2448 | // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount` |
|
2449 | // equals `i`), unless we didn't visit _any_ elements in the above loop because we have |
|
2450 | // no element matchers and no seed. |
|
2451 | // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that |
|
2452 | // case, which will result in a "00" `matchedCount` that differs from `i` but is also |
|
2453 | // numerically zero. |
|
2454 | if ( bySet && i !== matchedCount ) { |
|
2455 | j = 0; |
|
2456 | while ( (matcher = setMatchers[j++]) ) { |
|
2457 | matcher( unmatched, setMatched, context, xml ); |
|
2458 | } |
|
2459 | ||
2460 | if ( seed ) { |
|
2461 | // Reintegrate element matches to eliminate the need for sorting |
|
2462 | if ( matchedCount > 0 ) { |
|
2463 | while ( i-- ) { |
|
2464 | if ( !(unmatched[i] || setMatched[i]) ) { |
|
2465 | setMatched[i] = pop.call( results ); |
|
2466 | } |
|
2467 | } |
|
2468 | } |
|
2469 | ||
2470 | // Discard index placeholder values to get only actual matches |
|
2471 | setMatched = condense( setMatched ); |
|
2472 | } |
|
2473 | ||
2474 | // Add matches to results |
|
2475 | push.apply( results, setMatched ); |
|
2476 | ||
2477 | // Seedless set matches succeeding multiple successful matchers stipulate sorting |
|
2478 | if ( outermost && !seed && setMatched.length > 0 && |
|
2479 | ( matchedCount + setMatchers.length ) > 1 ) { |
|
2480 | ||
2481 | Sizzle.uniqueSort( results ); |
|
2482 | } |
|
2483 | } |
|
2484 | ||
2485 | // Override manipulation of globals by nested matchers |
|
2486 | if ( outermost ) { |
|
2487 | dirruns = dirrunsUnique; |
|
2488 | outermostContext = contextBackup; |
|
2489 | } |
|
2490 | ||
2491 | return unmatched; |
|
2492 | }; |
|
2493 | ||
2494 | return bySet ? |
|
2495 | markFunction( superMatcher ) : |
|
2496 | superMatcher; |
|
2497 | } |
|
2498 | ||
2499 | compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) { |
|
2500 | var i, |
|
2501 | setMatchers = [], |
|
2502 | elementMatchers = [], |
|
2503 | cached = compilerCache[ selector + " " ]; |
|
2504 | ||
2505 | if ( !cached ) { |
|
2506 | // Generate a function of recursive functions that can be used to check each element |
|
2507 | if ( !match ) { |
|
2508 | match = tokenize( selector ); |
|
2509 | } |
|
2510 | i = match.length; |
|
2511 | while ( i-- ) { |
|
2512 | cached = matcherFromTokens( match[i] ); |
|
2513 | if ( cached[ expando ] ) { |
|
2514 | setMatchers.push( cached ); |
|
2515 | } else { |
|
2516 | elementMatchers.push( cached ); |
|
2517 | } |
|
2518 | } |
|
2519 | ||
2520 | // Cache the compiled function |
|
2521 | cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) ); |
|
2522 | ||
2523 | // Save selector and tokenization |
|
2524 | cached.selector = selector; |
|
2525 | } |
|
2526 | return cached; |
|
2527 | }; |
|
2528 | ||
2529 | /** |
|
2530 | * A low-level selection function that works with Sizzle's compiled |
|
2531 | * selector functions |
|
2532 | * @param {String|Function} selector A selector or a pre-compiled |
|
2533 | * selector function built with Sizzle.compile |
|
2534 | * @param {Element} context |
|
2535 | * @param {Array} [results] |
|
2536 | * @param {Array} [seed] A set of elements to match against |
|
2537 | */ |
|
2538 | select = Sizzle.select = function( selector, context, results, seed ) { |
|
2539 | var i, tokens, token, type, find, |
|
2540 | compiled = typeof selector === "function" && selector, |
|
2541 | match = !seed && tokenize( (selector = compiled.selector || selector) ); |
|
2542 | ||
2543 | results = results || []; |
|
2544 | ||
2545 | // Try to minimize operations if there is only one selector in the list and no seed |
|
2546 | // (the latter of which guarantees us context) |
|
2547 | if ( match.length === 1 ) { |
|
2548 | ||
2549 | // Reduce context if the leading compound selector is an ID |
|
2550 | tokens = match[0] = match[0].slice( 0 ); |
|
2551 | if ( tokens.length > 2 && (token = tokens[0]).type === "ID" && |
|
2552 | support.getById && context.nodeType === 9 && documentIsHTML && |
|
2553 | Expr.relative[ tokens[1].type ] ) { |
|
2554 | ||
2555 | context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0]; |
|
2556 | if ( !context ) { |
|
2557 | return results; |
|
2558 | ||
2559 | // Precompiled matchers will still verify ancestry, so step up a level |
|
2560 | } else if ( compiled ) { |
|
2561 | context = context.parentNode; |
|
2562 | } |
|
2563 | ||
2564 | selector = selector.slice( tokens.shift().value.length ); |
|
2565 | } |
|
2566 | ||
2567 | // Fetch a seed set for right-to-left matching |
|
2568 | i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length; |
|
2569 | while ( i-- ) { |
|
2570 | token = tokens[i]; |
|
2571 | ||
2572 | // Abort if we hit a combinator |
|
2573 | if ( Expr.relative[ (type = token.type) ] ) { |
|
2574 | break; |
|
2575 | } |
|
2576 | if ( (find = Expr.find[ type ]) ) { |
|
2577 | // Search, expanding context for leading sibling combinators |
|
2578 | if ( (seed = find( |
|
2579 | token.matches[0].replace( runescape, funescape ), |
|
2580 | rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context |
|
2581 | )) ) { |
|
2582 | ||
2583 | // If seed is empty or no tokens remain, we can return early |
|
2584 | tokens.splice( i, 1 ); |
|
2585 | selector = seed.length && toSelector( tokens ); |
|
2586 | if ( !selector ) { |
|
2587 | push.apply( results, seed ); |
|
2588 | return results; |
|
2589 | } |
|
2590 | ||
2591 | break; |
|
2592 | } |
|
2593 | } |
|
2594 | } |
|
2595 | } |
|
2596 | ||
2597 | // Compile and execute a filtering function if one is not provided |
|
2598 | // Provide `match` to avoid retokenization if we modified the selector above |
|
2599 | ( compiled || compile( selector, match ) )( |
|
2600 | seed, |
|
2601 | context, |
|
2602 | !documentIsHTML, |
|
2603 | results, |
|
2604 | !context || rsibling.test( selector ) && testContext( context.parentNode ) || context |
|
2605 | ); |
|
2606 | return results; |
|
2607 | }; |
|
2608 | ||
2609 | // One-time assignments |
|
2610 | ||
2611 | // Sort stability |
|
2612 | support.sortStable = expando.split("").sort( sortOrder ).join("") === expando; |
|
2613 | ||
2614 | // Support: Chrome 14-35+ |
|
2615 | // Always assume duplicates if they aren't passed to the comparison function |
|
2616 | support.detectDuplicates = !!hasDuplicate; |
|
2617 | ||
2618 | // Initialize against the default document |
|
2619 | setDocument(); |
|
2620 | ||
2621 | // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27) |
|
2622 | // Detached nodes confoundingly follow *each other* |
|
2623 | support.sortDetached = assert(function( div1 ) { |
|
2624 | // Should return 1, but returns 4 (following) |
|
2625 | return div1.compareDocumentPosition( document.createElement("div") ) & 1; |
|
2626 | }); |
|
2627 | ||
2628 | // Support: IE<8 |
|
2629 | // Prevent attribute/property "interpolation" |
|
2630 | // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx |
|
2631 | if ( !assert(function( div ) { |
|
2632 | div.innerHTML = "<a href='#'></a>"; |
|
2633 | return div.firstChild.getAttribute("href") === "#" ; |
|
2634 | }) ) { |
|
2635 | addHandle( "type|href|height|width", function( elem, name, isXML ) { |
|
2636 | if ( !isXML ) { |
|
2637 | return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 ); |
|
2638 | } |
|
2639 | }); |
|
2640 | } |
|
2641 | ||
2642 | // Support: IE<9 |
|
2643 | // Use defaultValue in place of getAttribute("value") |
|
2644 | if ( !support.attributes || !assert(function( div ) { |
|
2645 | div.innerHTML = "<input/>"; |
|
2646 | div.firstChild.setAttribute( "value", "" ); |
|
2647 | return div.firstChild.getAttribute( "value" ) === ""; |
|
2648 | }) ) { |
|
2649 | addHandle( "value", function( elem, name, isXML ) { |
|
2650 | if ( !isXML && elem.nodeName.toLowerCase() === "input" ) { |
|
2651 | return elem.defaultValue; |
|
2652 | } |
|
2653 | }); |
|
2654 | } |
|
2655 | ||
2656 | // Support: IE<9 |
|
2657 | // Use getAttributeNode to fetch booleans when getAttribute lies |
|
2658 | if ( !assert(function( div ) { |
|
2659 | return div.getAttribute("disabled") == null; |
|
2660 | }) ) { |
|
2661 | addHandle( booleans, function( elem, name, isXML ) { |
|
2662 | var val; |
|
2663 | if ( !isXML ) { |
|
2664 | return elem[ name ] === true ? name.toLowerCase() : |
|
2665 | (val = elem.getAttributeNode( name )) && val.specified ? |
|
2666 | val.value : |
|
2667 | null; |
|
2668 | } |
|
2669 | }); |
|
2670 | } |
|
2671 | ||
2672 | return Sizzle; |
|
2673 | ||
2674 | })( window ); |
|
2675 | ||
2676 | ||
2677 |