]>
git.r.bdr.sh - rbdr/dotfiles/blob - atom/packages/ex-mode/node_modules/space-pen/node_modules/jquery/src/sizzle/dist/sizzle.js
89aecbc2f84de17e727c8dc243b0d789f19dc7a9
2 * Sizzle CSS Selector Engine v2.2.0-pre
5 * Copyright 2008, 2014 jQuery Foundation, Inc. and other contributors
6 * Released under the MIT license
7 * http://jquery.org/license
25 // Local document vars
35 // Instance-specific data
36 expando
= "sizzle" + 1 * new Date(),
37 preferredDoc
= window
.document
,
40 classCache
= createCache(),
41 tokenCache
= createCache(),
42 compilerCache
= createCache(),
43 sortOrder = function( a
, b
) {
50 // General-purpose constants
51 MAX_NEGATIVE
= 1 << 31,
54 hasOwn
= ({}).hasOwnProperty
,
57 push_native
= arr
.push
,
60 // Use a stripped-down indexOf as it's faster than native
61 // http://jsperf.com/thor-indexof-vs-for/5
62 indexOf = function( list
, elem
) {
65 for ( ; i
< len
; i
++ ) {
66 if ( list
[i
] === elem
) {
73 booleans
= "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
75 // Regular expressions
77 // Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace
78 whitespace
= "[\\x20\\t\\r\\n\\f]",
79 // http://www.w3.org/TR/css3-syntax/#characters
80 characterEncoding
= "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",
82 // Loosely modeled on CSS identifier characters
83 // An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors
84 // Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
85 identifier
= characterEncoding
.replace( "w", "w#" ),
87 // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
88 attributes
= "\\[" + whitespace
+ "*(" + characterEncoding
+ ")(?:" + whitespace
+
89 // Operator (capture 2)
90 "*([*^$|!~]?=)" + whitespace
+
91 // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
92 "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier
+ "))|)" + whitespace
+
95 pseudos
= ":(" + characterEncoding
+ ")(?:\\((" +
96 // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
97 // 1. quoted (capture 3; capture 4 or capture 5)
98 "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
99 // 2. simple (capture 6)
100 "((?:\\\\.|[^\\\\()[\\]]|" + attributes
+ ")*)|" +
101 // 3. anything else (capture 2)
105 // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
106 rwhitespace
= new RegExp( whitespace
+ "+", "g" ),
107 rtrim
= new RegExp( "^" + whitespace
+ "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace
+ "+$", "g" ),
109 rcomma
= new RegExp( "^" + whitespace
+ "*," + whitespace
+ "*" ),
110 rcombinators
= new RegExp( "^" + whitespace
+ "*([>+~]|" + whitespace
+ ")" + whitespace
+ "*" ),
112 rattributeQuotes
= new RegExp( "=" + whitespace
+ "*([^\\]'\"]*?)" + whitespace
+ "*\\]", "g" ),
114 rpseudo
= new RegExp( pseudos
),
115 ridentifier
= new RegExp( "^" + identifier
+ "$" ),
118 "ID": new RegExp( "^#(" + characterEncoding
+ ")" ),
119 "CLASS": new RegExp( "^\\.(" + characterEncoding
+ ")" ),
120 "TAG": new RegExp( "^(" + characterEncoding
.replace( "w", "w*" ) + ")" ),
121 "ATTR": new RegExp( "^" + attributes
),
122 "PSEUDO": new RegExp( "^" + pseudos
),
123 "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace
+
124 "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace
+ "*(?:([+-]|)" + whitespace
+
125 "*(\\d+)|))" + whitespace
+ "*\\)|)", "i" ),
126 "bool": new RegExp( "^(?:" + booleans
+ ")$", "i" ),
127 // For use in libraries implementing .is()
128 // We use this for POS matching in `select`
129 "needsContext": new RegExp( "^" + whitespace
+ "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
130 whitespace
+ "*((?:-\\d)?\\d*)" + whitespace
+ "*\\)|)(?=[^-]|$)", "i" )
133 rinputs
= /^(?:input|select|textarea|button)$/i,
136 rnative
= /^[^{]+\{\s
*\[native \w
/,
138 // Easily-parseable/retrievable ID or TAG or CLASS selectors
139 rquickExpr
= /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
144 // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
145 runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
146 funescape = function( _, escaped, escapedWhitespace ) {
147 var high = "0x" + escaped - 0x10000;
148 // NaN means non-codepoint
149 // Support: Firefox<24
150 // Workaround erroneous numeric interpretation of +"0x"
151 return high !== high || escapedWhitespace ?
155 String.fromCharCode( high + 0x10000 ) :
156 // Supplemental Plane codepoint (surrogate pair)
157 String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
162 // Removing the function wrapper causes a "Permission Denied"
164 unloadHandler = function() {
168 // Optimize for push.apply( _, NodeList )
171 (arr = slice.call( preferredDoc.childNodes )),
172 preferredDoc.childNodes
174 // Support: Android<4.0
175 // Detect silently failing push.apply
176 arr[ preferredDoc.childNodes.length ].nodeType;
178 push = { apply: arr.length ?
180 // Leverage slice if possible
181 function( target, els ) {
182 push_native.apply( target, slice.call(els) );
186 // Otherwise append directly
187 function( target, els ) {
188 var j = target.length,
190 // Can't trust NodeList
.length
191 while ( (target
[j
++] = els
[i
++]) ) {}
192 target
.length
= j
- 1;
197 function Sizzle( selector
, context
, results
, seed
) {
198 var match
, elem
, m
, nodeType
,
200 i
, groups
, old
, nid
, newContext
, newSelector
;
202 if ( ( context
? context
.ownerDocument
|| context : preferredDoc
) !== document
) {
203 setDocument( context
);
206 context
= context
|| document
;
207 results
= results
|| [];
208 nodeType
= context
.nodeType
;
210 if ( typeof selector
!== "string" || !selector
||
211 nodeType
!== 1 && nodeType
!== 9 && nodeType
!== 11 ) {
216 if ( !seed
&& documentIsHTML
) {
218 // Try to shortcut find operations when possible (e.g., not under DocumentFragment)
219 if ( nodeType
!== 11 && (match
= rquickExpr
.exec( selector
)) ) {
220 // Speed-up: Sizzle("#ID")
221 if ( (m
= match
[1]) ) {
222 if ( nodeType
=== 9 ) {
223 elem
= context
.getElementById( m
);
224 // Check parentNode to catch when Blackberry 4.6 returns
225 // nodes that are no longer in the document (jQuery #6963)
226 if ( elem
&& elem
.parentNode
) {
227 // Handle the case where IE, Opera, and Webkit return items
228 // by name instead of ID
229 if ( elem
.id
=== m
) {
230 results
.push( elem
);
237 // Context is not a document
238 if ( context
.ownerDocument
&& (elem
= context
.ownerDocument
.getElementById( m
)) &&
239 contains( context
, elem
) && elem
.id
=== m
) {
240 results
.push( elem
);
245 // Speed-up: Sizzle("TAG")
246 } else if ( match
[2] ) {
247 push
.apply( results
, context
.getElementsByTagName( selector
) );
250 // Speed-up: Sizzle(".CLASS")
251 } else if ( (m
= match
[3]) && support
.getElementsByClassName
) {
252 push
.apply( results
, context
.getElementsByClassName( m
) );
258 if ( support
.qsa
&& (!rbuggyQSA
|| !rbuggyQSA
.test( selector
)) ) {
260 newContext
= context
;
261 newSelector
= nodeType
!== 1 && selector
;
263 // qSA works strangely on Element-rooted queries
264 // We can work around this by specifying an extra ID on the root
265 // and working up from there (Thanks to Andrew Dupont for the technique)
266 // IE 8 doesn't work on object elements
267 if ( nodeType
=== 1 && context
.nodeName
.toLowerCase() !== "object" ) {
268 groups
= tokenize( selector
);
270 if ( (old
= context
.getAttribute("id")) ) {
271 nid
= old
.replace( rescape
, "\\$&" );
273 context
.setAttribute( "id", nid
);
275 nid
= "[id='" + nid
+ "'] ";
279 groups
[i
] = nid
+ toSelector( groups
[i
] );
281 newContext
= rsibling
.test( selector
) && testContext( context
.parentNode
) || context
;
282 newSelector
= groups
.join(",");
288 newContext
.querySelectorAll( newSelector
)
294 context
.removeAttribute("id");
302 return select( selector
.replace( rtrim
, "$1" ), context
, results
, seed
);
306 * Create key-value caches of limited size
307 * @returns {Function(string, Object)} Returns the Object data after storing it on itself with
308 * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
309 * deleting the oldest entry
311 function createCache() {
314 function cache( key
, value
) {
315 // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
316 if ( keys
.push( key
+ " " ) > Expr
.cacheLength
) {
317 // Only keep the most recent entries
318 delete cache
[ keys
.shift() ];
320 return (cache
[ key
+ " " ] = value
);
326 * Mark a function for special use by Sizzle
327 * @param {Function} fn The function to mark
329 function markFunction( fn
) {
330 fn
[ expando
] = true;
335 * Support testing using an element
336 * @param {Function} fn Passed the created div and expects a boolean result
338 function assert( fn
) {
339 var div
= document
.createElement("div");
346 // Remove from its parent by default
347 if ( div
.parentNode
) {
348 div
.parentNode
.removeChild( div
);
350 // release memory in IE
356 * Adds the same handler for all of the specified attrs
357 * @param {String} attrs Pipe-separated list of attributes
358 * @param {Function} handler The method that will be applied
360 function addHandle( attrs
, handler
) {
361 var arr
= attrs
.split("|"),
365 Expr
.attrHandle
[ arr
[i
] ] = handler
;
370 * Checks document order of two siblings
373 * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
375 function siblingCheck( a
, b
) {
377 diff
= cur
&& a
.nodeType
=== 1 && b
.nodeType
=== 1 &&
378 ( ~b
.sourceIndex
|| MAX_NEGATIVE
) -
379 ( ~a
.sourceIndex
|| MAX_NEGATIVE
);
381 // Use IE sourceIndex if available on both nodes
386 // Check if b follows a
388 while ( (cur
= cur
.nextSibling
) ) {
399 * Returns a function to use in pseudos for input types
400 * @param {String} type
402 function createInputPseudo( type
) {
403 return function( elem
) {
404 var name
= elem
.nodeName
.toLowerCase();
405 return name
=== "input" && elem
.type
=== type
;
410 * Returns a function to use in pseudos for buttons
411 * @param {String} type
413 function createButtonPseudo( type
) {
414 return function( elem
) {
415 var name
= elem
.nodeName
.toLowerCase();
416 return (name
=== "input" || name
=== "button") && elem
.type
=== type
;
421 * Returns a function to use in pseudos for positionals
422 * @param {Function} fn
424 function createPositionalPseudo( fn
) {
425 return markFunction(function( argument
) {
426 argument
= +argument
;
427 return markFunction(function( seed
, matches
) {
429 matchIndexes
= fn( [], seed
.length
, argument
),
430 i
= matchIndexes
.length
;
432 // Match elements found at the specified indexes
434 if ( seed
[ (j
= matchIndexes
[i
]) ] ) {
435 seed
[j
] = !(matches
[j
] = seed
[j
]);
443 * Checks a node for validity as a Sizzle context
444 * @param {Element|Object=} context
445 * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
447 function testContext( context
) {
448 return context
&& typeof context
.getElementsByTagName
!== "undefined" && context
;
451 // Expose support vars for convenience
452 support
= Sizzle
.support
= {};
456 * @param {Element|Object} elem An element or a document
457 * @returns {Boolean} True iff elem is a non-HTML XML node
459 isXML
= Sizzle
.isXML = function( elem
) {
460 // documentElement is verified for cases where it doesn't yet exist
461 // (such as loading iframes in IE - #4833)
462 var documentElement
= elem
&& (elem
.ownerDocument
|| elem
).documentElement
;
463 return documentElement
? documentElement
.nodeName
!== "HTML" : false;
467 * Sets document-related variables once based on the current document
468 * @param {Element|Object} [doc] An element or document object to use to set the document
469 * @returns {Object} Returns the current document
471 setDocument
= Sizzle
.setDocument = function( node
) {
472 var hasCompare
, parent
,
473 doc
= node
? node
.ownerDocument
|| node : preferredDoc
;
475 // If no document and documentElement is available, return
476 if ( doc
=== document
|| doc
.nodeType
!== 9 || !doc
.documentElement
) {
482 docElem
= doc
.documentElement
;
483 parent
= doc
.defaultView
;
486 // If iframe document is assigned to "document" variable and if iframe has been reloaded,
487 // IE will throw "permission denied" error when accessing "document" variable, see jQuery #13936
488 // IE6-8 do not support the defaultView property so parent will be undefined
489 if ( parent
&& parent
!== parent
.top
) {
490 // IE11 does not have attachEvent, so all must suffer
491 if ( parent
.addEventListener
) {
492 parent
.addEventListener( "unload", unloadHandler
, false );
493 } else if ( parent
.attachEvent
) {
494 parent
.attachEvent( "onunload", unloadHandler
);
499 ---------------------------------------------------------------------- */
500 documentIsHTML
= !isXML( doc
);
503 ---------------------------------------------------------------------- */
506 // Verify that getAttribute really returns attributes and not properties
507 // (excepting IE8 booleans)
508 support
.attributes
= assert(function( div
) {
510 return !div
.getAttribute("className");
514 ---------------------------------------------------------------------- */
516 // Check if getElementsByTagName("*") returns only elements
517 support
.getElementsByTagName
= assert(function( div
) {
518 div
.appendChild( doc
.createComment("") );
519 return !div
.getElementsByTagName("*").length
;
523 support
.getElementsByClassName
= rnative
.test( doc
.getElementsByClassName
);
526 // Check if getElementById returns elements by name
527 // The broken getElementById methods don't pick up programatically-set names,
528 // so use a roundabout getElementsByName test
529 support
.getById
= assert(function( div
) {
530 docElem
.appendChild( div
).id
= expando
;
531 return !doc
.getElementsByName
|| !doc
.getElementsByName( expando
).length
;
534 // ID find and filter
535 if ( support
.getById
) {
536 Expr
.find
["ID"] = function( id
, context
) {
537 if ( typeof context
.getElementById
!== "undefined" && documentIsHTML
) {
538 var m
= context
.getElementById( id
);
539 // Check parentNode to catch when Blackberry 4.6 returns
540 // nodes that are no longer in the document #6963
541 return m
&& m
.parentNode
? [ m
] : [];
544 Expr
.filter
["ID"] = function( id
) {
545 var attrId
= id
.replace( runescape
, funescape
);
546 return function( elem
) {
547 return elem
.getAttribute("id") === attrId
;
552 // getElementById is not reliable as a find shortcut
553 delete Expr
.find
["ID"];
555 Expr
.filter
["ID"] = function( id
) {
556 var attrId
= id
.replace( runescape
, funescape
);
557 return function( elem
) {
558 var node
= typeof elem
.getAttributeNode
!== "undefined" && elem
.getAttributeNode("id");
559 return node
&& node
.value
=== attrId
;
565 Expr
.find
["TAG"] = support
.getElementsByTagName
?
566 function( tag
, context
) {
567 if ( typeof context
.getElementsByTagName
!== "undefined" ) {
568 return context
.getElementsByTagName( tag
);
570 // DocumentFragment nodes don't have gEBTN
571 } else if ( support
.qsa
) {
572 return context
.querySelectorAll( tag
);
576 function( tag
, context
) {
580 // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
581 results
= context
.getElementsByTagName( tag
);
583 // Filter out possible comments
585 while ( (elem
= results
[i
++]) ) {
586 if ( elem
.nodeType
=== 1 ) {
597 Expr
.find
["CLASS"] = support
.getElementsByClassName
&& function( className
, context
) {
598 if ( documentIsHTML
) {
599 return context
.getElementsByClassName( className
);
603 /* QSA/matchesSelector
604 ---------------------------------------------------------------------- */
606 // QSA and matchesSelector support
608 // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
611 // qSa(:focus) reports false when true (Chrome 21)
612 // We allow this because of a bug in IE8/9 that throws an error
613 // whenever `document.activeElement` is accessed on an iframe
614 // So, we allow :focus to pass through QSA all the time to avoid the IE error
615 // See http://bugs.jquery.com/ticket/13378
618 if ( (support
.qsa
= rnative
.test( doc
.querySelectorAll
)) ) {
620 // Regex strategy adopted from Diego Perini
621 assert(function( div
) {
622 // Select is set to empty string on purpose
623 // This is to test IE's treatment of not explicitly
624 // setting a boolean content attribute,
625 // since its presence should be enough
626 // http://bugs.jquery.com/ticket/12359
627 docElem
.appendChild( div
).innerHTML
= "<a id='" + expando
+ "'></a>" +
628 "<select id='" + expando
+ "-\f]' msallowcapture=''>" +
629 "<option selected=''></option></select>";
631 // Support: IE8, Opera 11-12.16
632 // Nothing should be selected when empty strings follow ^= or $= or *=
633 // The test attribute must be unknown in Opera but "safe" for WinRT
634 // http://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
635 if ( div
.querySelectorAll("[msallowcapture^='']").length
) {
636 rbuggyQSA
.push( "[*^$]=" + whitespace
+ "*(?:''|\"\")" );
640 // Boolean attributes and "value" are not treated correctly
641 if ( !div
.querySelectorAll("[selected]").length
) {
642 rbuggyQSA
.push( "\\[" + whitespace
+ "*(?:value|" + booleans
+ ")" );
645 // Support: Chrome<29, Android<4.2+, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.7+
646 if ( !div
.querySelectorAll( "[id~=" + expando
+ "-]" ).length
) {
647 rbuggyQSA
.push("~=");
650 // Webkit/Opera - :checked should return selected option elements
651 // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
652 // IE8 throws error here and will not see later tests
653 if ( !div
.querySelectorAll(":checked").length
) {
654 rbuggyQSA
.push(":checked");
657 // Support: Safari 8+, iOS 8+
658 // https://bugs.webkit.org/show_bug.cgi?id=136851
659 // In-page `selector#id sibing-combinator selector` fails
660 if ( !div
.querySelectorAll( "a#" + expando
+ "+*" ).length
) {
661 rbuggyQSA
.push(".#.+[+~]");
665 assert(function( div
) {
666 // Support: Windows 8 Native Apps
667 // The type and name attributes are restricted during .innerHTML assignment
668 var input
= doc
.createElement("input");
669 input
.setAttribute( "type", "hidden" );
670 div
.appendChild( input
).setAttribute( "name", "D" );
673 // Enforce case-sensitivity of name attribute
674 if ( div
.querySelectorAll("[name=d]").length
) {
675 rbuggyQSA
.push( "name" + whitespace
+ "*[*^$|!~]?=" );
678 // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
679 // IE8 throws error here and will not see later tests
680 if ( !div
.querySelectorAll(":enabled").length
) {
681 rbuggyQSA
.push( ":enabled", ":disabled" );
684 // Opera 10-11 does not throw on post-comma invalid pseudos
685 div
.querySelectorAll("*,:x");
686 rbuggyQSA
.push(",.*:");
690 if ( (support
.matchesSelector
= rnative
.test( (matches
= docElem
.matches
||
691 docElem
.webkitMatchesSelector
||
692 docElem
.mozMatchesSelector
||
693 docElem
.oMatchesSelector
||
694 docElem
.msMatchesSelector
) )) ) {
696 assert(function( div
) {
697 // Check to see if it's possible to do matchesSelector
698 // on a disconnected node (IE 9)
699 support
.disconnectedMatch
= matches
.call( div
, "div" );
701 // This should fail with an exception
702 // Gecko does not error, returns false instead
703 matches
.call( div
, "[s!='']:x" );
704 rbuggyMatches
.push( "!=", pseudos
);
708 rbuggyQSA
= rbuggyQSA
.length
&& new RegExp( rbuggyQSA
.join("|") );
709 rbuggyMatches
= rbuggyMatches
.length
&& new RegExp( rbuggyMatches
.join("|") );
712 ---------------------------------------------------------------------- */
713 hasCompare
= rnative
.test( docElem
.compareDocumentPosition
);
715 // Element contains another
716 // Purposefully does not implement inclusive descendent
717 // As in, an element does not contain itself
718 contains
= hasCompare
|| rnative
.test( docElem
.contains
) ?
720 var adown
= a
.nodeType
=== 9 ? a
.documentElement : a
,
721 bup
= b
&& b
.parentNode
;
722 return a
=== bup
|| !!( bup
&& bup
.nodeType
=== 1 && (
724 adown
.contains( bup
) :
725 a
.compareDocumentPosition
&& a
.compareDocumentPosition( bup
) & 16
730 while ( (b
= b
.parentNode
) ) {
740 ---------------------------------------------------------------------- */
742 // Document order sorting
743 sortOrder
= hasCompare
?
746 // Flag for duplicate removal
752 // Sort on method existence if only one input has compareDocumentPosition
753 var compare
= !a
.compareDocumentPosition
- !b
.compareDocumentPosition
;
758 // Calculate position if both inputs belong to the same document
759 compare
= ( a
.ownerDocument
|| a
) === ( b
.ownerDocument
|| b
) ?
760 a
.compareDocumentPosition( b
) :
762 // Otherwise we know they are disconnected
765 // Disconnected nodes
767 (!support
.sortDetached
&& b
.compareDocumentPosition( a
) === compare
) ) {
769 // Choose the first element that is related to our preferred document
770 if ( a
=== doc
|| a
.ownerDocument
=== preferredDoc
&& contains(preferredDoc
, a
) ) {
773 if ( b
=== doc
|| b
.ownerDocument
=== preferredDoc
&& contains(preferredDoc
, b
) ) {
777 // Maintain original order
779 ( indexOf( sortInput
, a
) - indexOf( sortInput
, b
) ) :
783 return compare
& 4 ? -1 : 1;
786 // Exit early if the nodes are identical
799 // Parentless nodes are either documents or disconnected
800 if ( !aup
|| !bup
) {
801 return a
=== doc
? -1 :
806 ( indexOf( sortInput
, a
) - indexOf( sortInput
, b
) ) :
809 // If the nodes are siblings, we can do a quick check
810 } else if ( aup
=== bup
) {
811 return siblingCheck( a
, b
);
814 // Otherwise we need full lists of their ancestors for comparison
816 while ( (cur
= cur
.parentNode
) ) {
820 while ( (cur
= cur
.parentNode
) ) {
824 // Walk down the tree looking for a discrepancy
825 while ( ap
[i
] === bp
[i
] ) {
830 // Do a sibling check if the nodes have a common ancestor
831 siblingCheck( ap
[i
], bp
[i
] ) :
833 // Otherwise nodes in our document sort first
834 ap
[i
] === preferredDoc
? -1 :
835 bp
[i
] === preferredDoc
? 1 :
842 Sizzle
.matches = function( expr
, elements
) {
843 return Sizzle( expr
, null, null, elements
);
846 Sizzle
.matchesSelector = function( elem
, expr
) {
847 // Set document vars if needed
848 if ( ( elem
.ownerDocument
|| elem
) !== document
) {
852 // Make sure that attribute selectors are quoted
853 expr
= expr
.replace( rattributeQuotes
, "='$1']" );
855 if ( support
.matchesSelector
&& documentIsHTML
&&
856 ( !rbuggyMatches
|| !rbuggyMatches
.test( expr
) ) &&
857 ( !rbuggyQSA
|| !rbuggyQSA
.test( expr
) ) ) {
860 var ret
= matches
.call( elem
, expr
);
862 // IE 9's matchesSelector returns false on disconnected nodes
863 if ( ret
|| support
.disconnectedMatch
||
864 // As well, disconnected nodes are said to be in a document
866 elem
.document
&& elem
.document
.nodeType
!== 11 ) {
872 return Sizzle( expr
, document
, null, [ elem
] ).length
> 0;
875 Sizzle
.contains = function( context
, elem
) {
876 // Set document vars if needed
877 if ( ( context
.ownerDocument
|| context
) !== document
) {
878 setDocument( context
);
880 return contains( context
, elem
);
883 Sizzle
.attr = function( elem
, name
) {
884 // Set document vars if needed
885 if ( ( elem
.ownerDocument
|| elem
) !== document
) {
889 var fn
= Expr
.attrHandle
[ name
.toLowerCase() ],
890 // Don't get fooled by Object.prototype properties (jQuery #13807)
891 val
= fn
&& hasOwn
.call( Expr
.attrHandle
, name
.toLowerCase() ) ?
892 fn( elem
, name
, !documentIsHTML
) :
895 return val
!== undefined ?
897 support
.attributes
|| !documentIsHTML
?
898 elem
.getAttribute( name
) :
899 (val
= elem
.getAttributeNode(name
)) && val
.specified
?
904 Sizzle
.error = function( msg
) {
905 throw new Error( "Syntax error, unrecognized expression: " + msg
);
909 * Document sorting and removing duplicates
910 * @param {ArrayLike} results
912 Sizzle
.uniqueSort = function( results
) {
918 // Unless we *know* we can detect duplicates, assume their presence
919 hasDuplicate
= !support
.detectDuplicates
;
920 sortInput
= !support
.sortStable
&& results
.slice( 0 );
921 results
.sort( sortOrder
);
923 if ( hasDuplicate
) {
924 while ( (elem
= results
[i
++]) ) {
925 if ( elem
=== results
[ i
] ) {
926 j
= duplicates
.push( i
);
930 results
.splice( duplicates
[ j
], 1 );
934 // Clear input after sorting to release objects
935 // See https://github.com/jquery/sizzle/pull/225
942 * Utility function for retrieving the text value of an array of DOM nodes
943 * @param {Array|Element} elem
945 getText
= Sizzle
.getText = function( elem
) {
949 nodeType
= elem
.nodeType
;
952 // If no nodeType, this is expected to be an array
953 while ( (node
= elem
[i
++]) ) {
954 // Do not traverse comment nodes
955 ret
+= getText( node
);
957 } else if ( nodeType
=== 1 || nodeType
=== 9 || nodeType
=== 11 ) {
958 // Use textContent for elements
959 // innerText usage removed for consistency of new lines (jQuery #11153)
960 if ( typeof elem
.textContent
=== "string" ) {
961 return elem
.textContent
;
963 // Traverse its children
964 for ( elem
= elem
.firstChild
; elem
; elem
= elem
.nextSibling
) {
965 ret
+= getText( elem
);
968 } else if ( nodeType
=== 3 || nodeType
=== 4 ) {
969 return elem
.nodeValue
;
971 // Do not include comment or processing instruction nodes
976 Expr
= Sizzle
.selectors
= {
978 // Can be adjusted by the user
981 createPseudo: markFunction
,
990 ">": { dir: "parentNode", first: true },
991 " ": { dir: "parentNode" },
992 "+": { dir: "previousSibling", first: true },
993 "~": { dir: "previousSibling" }
997 "ATTR": function( match
) {
998 match
[1] = match
[1].replace( runescape
, funescape
);
1000 // Move the given value to match[3] whether quoted or unquoted
1001 match
[3] = ( match
[3] || match
[4] || match
[5] || "" ).replace( runescape
, funescape
);
1003 if ( match
[2] === "~=" ) {
1004 match
[3] = " " + match
[3] + " ";
1007 return match
.slice( 0, 4 );
1010 "CHILD": function( match
) {
1011 /* matches from matchExpr["CHILD"]
1012 1 type (only|nth|...)
1013 2 what (child|of-type)
1014 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
1015 4 xn-component of xn+y argument ([+-]?\d*n|)
1016 5 sign of xn-component
1018 7 sign of y-component
1021 match
[1] = match
[1].toLowerCase();
1023 if ( match
[1].slice( 0, 3 ) === "nth" ) {
1024 // nth-* requires argument
1026 Sizzle
.error( match
[0] );
1029 // numeric x and y parameters for Expr.filter.CHILD
1030 // remember that false/true cast respectively to 0/1
1031 match
[4] = +( match
[4] ? match
[5] + (match
[6] || 1) : 2 * ( match
[3] === "even" || match
[3] === "odd" ) );
1032 match
[5] = +( ( match
[7] + match
[8] ) || match
[3] === "odd" );
1034 // other types prohibit arguments
1035 } else if ( match
[3] ) {
1036 Sizzle
.error( match
[0] );
1042 "PSEUDO": function( match
) {
1044 unquoted
= !match
[6] && match
[2];
1046 if ( matchExpr
["CHILD"].test( match
[0] ) ) {
1050 // Accept quoted arguments as-is
1052 match
[2] = match
[4] || match
[5] || "";
1054 // Strip excess characters from unquoted arguments
1055 } else if ( unquoted
&& rpseudo
.test( unquoted
) &&
1056 // Get excess from tokenize (recursively)
1057 (excess
= tokenize( unquoted
, true )) &&
1058 // advance to the next closing parenthesis
1059 (excess
= unquoted
.indexOf( ")", unquoted
.length
- excess
) - unquoted
.length
) ) {
1061 // excess is a negative index
1062 match
[0] = match
[0].slice( 0, excess
);
1063 match
[2] = unquoted
.slice( 0, excess
);
1066 // Return only captures needed by the pseudo filter method (type and argument)
1067 return match
.slice( 0, 3 );
1073 "TAG": function( nodeNameSelector
) {
1074 var nodeName
= nodeNameSelector
.replace( runescape
, funescape
).toLowerCase();
1075 return nodeNameSelector
=== "*" ?
1076 function() { return true; } :
1078 return elem
.nodeName
&& elem
.nodeName
.toLowerCase() === nodeName
;
1082 "CLASS": function( className
) {
1083 var pattern
= classCache
[ className
+ " " ];
1086 (pattern
= new RegExp( "(^|" + whitespace
+ ")" + className
+ "(" + whitespace
+ "|$)" )) &&
1087 classCache( className
, function( elem
) {
1088 return pattern
.test( typeof elem
.className
=== "string" && elem
.className
|| typeof elem
.getAttribute
!== "undefined" && elem
.getAttribute("class") || "" );
1092 "ATTR": function( name
, operator
, check
) {
1093 return function( elem
) {
1094 var result
= Sizzle
.attr( elem
, name
);
1096 if ( result
== null ) {
1097 return operator
=== "!=";
1105 return operator
=== "=" ? result
=== check :
1106 operator
=== "!=" ? result
!== check :
1107 operator
=== "^=" ? check
&& result
.indexOf( check
) === 0 :
1108 operator
=== "*=" ? check
&& result
.indexOf( check
) > -1 :
1109 operator
=== "$=" ? check
&& result
.slice( -check
.length
) === check :
1110 operator
=== "~=" ? ( " " + result
.replace( rwhitespace
, " " ) + " " ).indexOf( check
) > -1 :
1111 operator
=== "|=" ? result
=== check
|| result
.slice( 0, check
.length
+ 1 ) === check
+ "-" :
1116 "CHILD": function( type
, what
, argument
, first
, last
) {
1117 var simple
= type
.slice( 0, 3 ) !== "nth",
1118 forward
= type
.slice( -4 ) !== "last",
1119 ofType
= what
=== "of-type";
1121 return first
=== 1 && last
=== 0 ?
1123 // Shortcut for :nth-*(n)
1125 return !!elem
.parentNode
;
1128 function( elem
, context
, xml
) {
1129 var cache
, outerCache
, node
, diff
, nodeIndex
, start
,
1130 dir
= simple
!== forward
? "nextSibling" : "previousSibling",
1131 parent
= elem
.parentNode
,
1132 name
= ofType
&& elem
.nodeName
.toLowerCase(),
1133 useCache
= !xml
&& !ofType
;
1137 // :(first|last|only)-(child|of-type)
1141 while ( (node
= node
[ dir
]) ) {
1142 if ( ofType
? node
.nodeName
.toLowerCase() === name : node
.nodeType
=== 1 ) {
1146 // Reverse direction for :only-* (if we haven't yet done so)
1147 start
= dir
= type
=== "only" && !start
&& "nextSibling";
1152 start
= [ forward
? parent
.firstChild : parent
.lastChild
];
1154 // non-xml :nth-child(...) stores cache data on `parent`
1155 if ( forward
&& useCache
) {
1156 // Seek `elem` from a previously-cached index
1157 outerCache
= parent
[ expando
] || (parent
[ expando
] = {});
1158 cache
= outerCache
[ type
] || [];
1159 nodeIndex
= cache
[0] === dirruns
&& cache
[1];
1160 diff
= cache
[0] === dirruns
&& cache
[2];
1161 node
= nodeIndex
&& parent
.childNodes
[ nodeIndex
];
1163 while ( (node
= ++nodeIndex
&& node
&& node
[ dir
] ||
1165 // Fallback to seeking `elem` from the start
1166 (diff
= nodeIndex
= 0) || start
.pop()) ) {
1168 // When found, cache indexes on `parent` and break
1169 if ( node
.nodeType
=== 1 && ++diff
&& node
=== elem
) {
1170 outerCache
[ type
] = [ dirruns
, nodeIndex
, diff
];
1175 // Use previously-cached element index if available
1176 } else if ( useCache
&& (cache
= (elem
[ expando
] || (elem
[ expando
] = {}))[ type
]) && cache
[0] === dirruns
) {
1179 // xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...)
1181 // Use the same loop as above to seek `elem` from the start
1182 while ( (node
= ++nodeIndex
&& node
&& node
[ dir
] ||
1183 (diff
= nodeIndex
= 0) || start
.pop()) ) {
1185 if ( ( ofType
? node
.nodeName
.toLowerCase() === name : node
.nodeType
=== 1 ) && ++diff
) {
1186 // Cache the index of each encountered element
1188 (node
[ expando
] || (node
[ expando
] = {}))[ type
] = [ dirruns
, diff
];
1191 if ( node
=== elem
) {
1198 // Incorporate the offset, then check against cycle size
1200 return diff
=== first
|| ( diff
% first
=== 0 && diff
/ first
>= 0 );
1205 "PSEUDO": function( pseudo
, argument
) {
1206 // pseudo-class names are case-insensitive
1207 // http://www.w3.org/TR/selectors/#pseudo-classes
1208 // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
1209 // Remember that setFilters inherits from pseudos
1211 fn
= Expr
.pseudos
[ pseudo
] || Expr
.setFilters
[ pseudo
.toLowerCase() ] ||
1212 Sizzle
.error( "unsupported pseudo: " + pseudo
);
1214 // The user may use createPseudo to indicate that
1215 // arguments are needed to create the filter function
1216 // just as Sizzle does
1217 if ( fn
[ expando
] ) {
1218 return fn( argument
);
1221 // But maintain support for old signatures
1222 if ( fn
.length
> 1 ) {
1223 args
= [ pseudo
, pseudo
, "", argument
];
1224 return Expr
.setFilters
.hasOwnProperty( pseudo
.toLowerCase() ) ?
1225 markFunction(function( seed
, matches
) {
1227 matched
= fn( seed
, argument
),
1230 idx
= indexOf( seed
, matched
[i
] );
1231 seed
[ idx
] = !( matches
[ idx
] = matched
[i
] );
1235 return fn( elem
, 0, args
);
1244 // Potentially complex pseudos
1245 "not": markFunction(function( selector
) {
1246 // Trim the selector passed to compile
1247 // to avoid treating leading and trailing
1248 // spaces as combinators
1251 matcher
= compile( selector
.replace( rtrim
, "$1" ) );
1253 return matcher
[ expando
] ?
1254 markFunction(function( seed
, matches
, context
, xml
) {
1256 unmatched
= matcher( seed
, null, xml
, [] ),
1259 // Match elements unmatched by `matcher`
1261 if ( (elem
= unmatched
[i
]) ) {
1262 seed
[i
] = !(matches
[i
] = elem
);
1266 function( elem
, context
, xml
) {
1268 matcher( input
, null, xml
, results
);
1269 // Don't keep the element (issue #299)
1271 return !results
.pop();
1275 "has": markFunction(function( selector
) {
1276 return function( elem
) {
1277 return Sizzle( selector
, elem
).length
> 0;
1281 "contains": markFunction(function( text
) {
1282 text
= text
.replace( runescape
, funescape
);
1283 return function( elem
) {
1284 return ( elem
.textContent
|| elem
.innerText
|| getText( elem
) ).indexOf( text
) > -1;
1288 // "Whether an element is represented by a :lang() selector
1289 // is based solely on the element's language value
1290 // being equal to the identifier C,
1291 // or beginning with the identifier C immediately followed by "-".
1292 // The matching of C against the element's language value is performed case-insensitively.
1293 // The identifier C does not have to be a valid language name."
1294 // http://www.w3.org/TR/selectors/#lang-pseudo
1295 "lang": markFunction( function( lang
) {
1296 // lang value must be a valid identifier
1297 if ( !ridentifier
.test(lang
|| "") ) {
1298 Sizzle
.error( "unsupported lang: " + lang
);
1300 lang
= lang
.replace( runescape
, funescape
).toLowerCase();
1301 return function( elem
) {
1304 if ( (elemLang
= documentIsHTML
?
1306 elem
.getAttribute("xml:lang") || elem
.getAttribute("lang")) ) {
1308 elemLang
= elemLang
.toLowerCase();
1309 return elemLang
=== lang
|| elemLang
.indexOf( lang
+ "-" ) === 0;
1311 } while ( (elem
= elem
.parentNode
) && elem
.nodeType
=== 1 );
1317 "target": function( elem
) {
1318 var hash
= window
.location
&& window
.location
.hash
;
1319 return hash
&& hash
.slice( 1 ) === elem
.id
;
1322 "root": function( elem
) {
1323 return elem
=== docElem
;
1326 "focus": function( elem
) {
1327 return elem
=== document
.activeElement
&& (!document
.hasFocus
|| document
.hasFocus()) && !!(elem
.type
|| elem
.href
|| ~elem
.tabIndex
);
1330 // Boolean properties
1331 "enabled": function( elem
) {
1332 return elem
.disabled
=== false;
1335 "disabled": function( elem
) {
1336 return elem
.disabled
=== true;
1339 "checked": function( elem
) {
1340 // In CSS3, :checked should return both checked and selected elements
1341 // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1342 var nodeName
= elem
.nodeName
.toLowerCase();
1343 return (nodeName
=== "input" && !!elem
.checked
) || (nodeName
=== "option" && !!elem
.selected
);
1346 "selected": function( elem
) {
1347 // Accessing this property makes selected-by-default
1348 // options in Safari work properly
1349 if ( elem
.parentNode
) {
1350 elem
.parentNode
.selectedIndex
;
1353 return elem
.selected
=== true;
1357 "empty": function( elem
) {
1358 // http://www.w3.org/TR/selectors/#empty-pseudo
1359 // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
1360 // but not by others (comment: 8; processing instruction: 7; etc.)
1361 // nodeType < 6 works because attributes (2) do not appear as children
1362 for ( elem
= elem
.firstChild
; elem
; elem
= elem
.nextSibling
) {
1363 if ( elem
.nodeType
< 6 ) {
1370 "parent": function( elem
) {
1371 return !Expr
.pseudos
["empty"]( elem
);
1374 // Element/input types
1375 "header": function( elem
) {
1376 return rheader
.test( elem
.nodeName
);
1379 "input": function( elem
) {
1380 return rinputs
.test( elem
.nodeName
);
1383 "button": function( elem
) {
1384 var name
= elem
.nodeName
.toLowerCase();
1385 return name
=== "input" && elem
.type
=== "button" || name
=== "button";
1388 "text": function( elem
) {
1390 return elem
.nodeName
.toLowerCase() === "input" &&
1391 elem
.type
=== "text" &&
1394 // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
1395 ( (attr
= elem
.getAttribute("type")) == null || attr
.toLowerCase() === "text" );
1398 // Position-in-collection
1399 "first": createPositionalPseudo(function() {
1403 "last": createPositionalPseudo(function( matchIndexes
, length
) {
1404 return [ length
- 1 ];
1407 "eq": createPositionalPseudo(function( matchIndexes
, length
, argument
) {
1408 return [ argument
< 0 ? argument
+ length : argument
];
1411 "even": createPositionalPseudo(function( matchIndexes
, length
) {
1413 for ( ; i
< length
; i
+= 2 ) {
1414 matchIndexes
.push( i
);
1416 return matchIndexes
;
1419 "odd": createPositionalPseudo(function( matchIndexes
, length
) {
1421 for ( ; i
< length
; i
+= 2 ) {
1422 matchIndexes
.push( i
);
1424 return matchIndexes
;
1427 "lt": createPositionalPseudo(function( matchIndexes
, length
, argument
) {
1428 var i
= argument
< 0 ? argument
+ length : argument
;
1429 for ( ; --i
>= 0; ) {
1430 matchIndexes
.push( i
);
1432 return matchIndexes
;
1435 "gt": createPositionalPseudo(function( matchIndexes
, length
, argument
) {
1436 var i
= argument
< 0 ? argument
+ length : argument
;
1437 for ( ; ++i
< length
; ) {
1438 matchIndexes
.push( i
);
1440 return matchIndexes
;
1445 Expr
.pseudos
["nth"] = Expr
.pseudos
["eq"];
1447 // Add button/input type pseudos
1448 for ( i
in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
1449 Expr
.pseudos
[ i
] = createInputPseudo( i
);
1451 for ( i
in { submit: true, reset: true } ) {
1452 Expr
.pseudos
[ i
] = createButtonPseudo( i
);
1455 // Easy API for creating new setFilters
1456 function setFilters() {}
1457 setFilters
.prototype = Expr
.filters
= Expr
.pseudos
;
1458 Expr
.setFilters
= new setFilters();
1460 tokenize
= Sizzle
.tokenize = function( selector
, parseOnly
) {
1461 var matched
, match
, tokens
, type
,
1462 soFar
, groups
, preFilters
,
1463 cached
= tokenCache
[ selector
+ " " ];
1466 return parseOnly
? 0 : cached
.slice( 0 );
1471 preFilters
= Expr
.preFilter
;
1475 // Comma and first run
1476 if ( !matched
|| (match
= rcomma
.exec( soFar
)) ) {
1478 // Don't consume trailing commas as valid
1479 soFar
= soFar
.slice( match
[0].length
) || soFar
;
1481 groups
.push( (tokens
= []) );
1487 if ( (match
= rcombinators
.exec( soFar
)) ) {
1488 matched
= match
.shift();
1491 // Cast descendant combinators to space
1492 type: match
[0].replace( rtrim
, " " )
1494 soFar
= soFar
.slice( matched
.length
);
1498 for ( type
in Expr
.filter
) {
1499 if ( (match
= matchExpr
[ type
].exec( soFar
)) && (!preFilters
[ type
] ||
1500 (match
= preFilters
[ type
]( match
))) ) {
1501 matched
= match
.shift();
1507 soFar
= soFar
.slice( matched
.length
);
1516 // Return the length of the invalid excess
1517 // if we're just parsing
1518 // Otherwise, throw an error or return tokens
1522 Sizzle
.error( selector
) :
1524 tokenCache( selector
, groups
).slice( 0 );
1527 function toSelector( tokens
) {
1529 len
= tokens
.length
,
1531 for ( ; i
< len
; i
++ ) {
1532 selector
+= tokens
[i
].value
;
1537 function addCombinator( matcher
, combinator
, base
) {
1538 var dir
= combinator
.dir
,
1539 checkNonElements
= base
&& dir
=== "parentNode",
1542 return combinator
.first
?
1543 // Check against closest ancestor/preceding element
1544 function( elem
, context
, xml
) {
1545 while ( (elem
= elem
[ dir
]) ) {
1546 if ( elem
.nodeType
=== 1 || checkNonElements
) {
1547 return matcher( elem
, context
, xml
);
1552 // Check against all ancestor/preceding elements
1553 function( elem
, context
, xml
) {
1554 var oldCache
, outerCache
,
1555 newCache
= [ dirruns
, doneName
];
1557 // We can't set arbitrary data on XML nodes, so they don't benefit from dir caching
1559 while ( (elem
= elem
[ dir
]) ) {
1560 if ( elem
.nodeType
=== 1 || checkNonElements
) {
1561 if ( matcher( elem
, context
, xml
) ) {
1567 while ( (elem
= elem
[ dir
]) ) {
1568 if ( elem
.nodeType
=== 1 || checkNonElements
) {
1569 outerCache
= elem
[ expando
] || (elem
[ expando
] = {});
1570 if ( (oldCache
= outerCache
[ dir
]) &&
1571 oldCache
[ 0 ] === dirruns
&& oldCache
[ 1 ] === doneName
) {
1573 // Assign to newCache so results back-propagate to previous elements
1574 return (newCache
[ 2 ] = oldCache
[ 2 ]);
1576 // Reuse newcache so results back-propagate to previous elements
1577 outerCache
[ dir
] = newCache
;
1579 // A match means we're done; a fail means we have to keep checking
1580 if ( (newCache
[ 2 ] = matcher( elem
, context
, xml
)) ) {
1590 function elementMatcher( matchers
) {
1591 return matchers
.length
> 1 ?
1592 function( elem
, context
, xml
) {
1593 var i
= matchers
.length
;
1595 if ( !matchers
[i
]( elem
, context
, xml
) ) {
1604 function multipleContexts( selector
, contexts
, results
) {
1606 len
= contexts
.length
;
1607 for ( ; i
< len
; i
++ ) {
1608 Sizzle( selector
, contexts
[i
], results
);
1613 function condense( unmatched
, map
, filter
, context
, xml
) {
1617 len
= unmatched
.length
,
1618 mapped
= map
!= null;
1620 for ( ; i
< len
; i
++ ) {
1621 if ( (elem
= unmatched
[i
]) ) {
1622 if ( !filter
|| filter( elem
, context
, xml
) ) {
1623 newUnmatched
.push( elem
);
1631 return newUnmatched
;
1634 function setMatcher( preFilter
, selector
, matcher
, postFilter
, postFinder
, postSelector
) {
1635 if ( postFilter
&& !postFilter
[ expando
] ) {
1636 postFilter
= setMatcher( postFilter
);
1638 if ( postFinder
&& !postFinder
[ expando
] ) {
1639 postFinder
= setMatcher( postFinder
, postSelector
);
1641 return markFunction(function( seed
, results
, context
, xml
) {
1645 preexisting
= results
.length
,
1647 // Get initial elements from seed or context
1648 elems
= seed
|| multipleContexts( selector
|| "*", context
.nodeType
? [ context
] : context
, [] ),
1650 // Prefilter to get matcher input, preserving a map for seed-results synchronization
1651 matcherIn
= preFilter
&& ( seed
|| !selector
) ?
1652 condense( elems
, preMap
, preFilter
, context
, xml
) :
1655 matcherOut
= matcher
?
1656 // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
1657 postFinder
|| ( seed
? preFilter : preexisting
|| postFilter
) ?
1659 // ...intermediate processing is necessary
1662 // ...otherwise use results directly
1666 // Find primary matches
1668 matcher( matcherIn
, matcherOut
, context
, xml
);
1673 temp
= condense( matcherOut
, postMap
);
1674 postFilter( temp
, [], context
, xml
);
1676 // Un-match failing elements by moving them back to matcherIn
1679 if ( (elem
= temp
[i
]) ) {
1680 matcherOut
[ postMap
[i
] ] = !(matcherIn
[ postMap
[i
] ] = elem
);
1686 if ( postFinder
|| preFilter
) {
1688 // Get the final matcherOut by condensing this intermediate into postFinder contexts
1690 i
= matcherOut
.length
;
1692 if ( (elem
= matcherOut
[i
]) ) {
1693 // Restore matcherIn since elem is not yet a final match
1694 temp
.push( (matcherIn
[i
] = elem
) );
1697 postFinder( null, (matcherOut
= []), temp
, xml
);
1700 // Move matched elements from seed to results to keep them synchronized
1701 i
= matcherOut
.length
;
1703 if ( (elem
= matcherOut
[i
]) &&
1704 (temp
= postFinder
? indexOf( seed
, elem
) : preMap
[i
]) > -1 ) {
1706 seed
[temp
] = !(results
[temp
] = elem
);
1711 // Add elements to results, through postFinder if defined
1713 matcherOut
= condense(
1714 matcherOut
=== results
?
1715 matcherOut
.splice( preexisting
, matcherOut
.length
) :
1719 postFinder( null, results
, matcherOut
, xml
);
1721 push
.apply( results
, matcherOut
);
1727 function matcherFromTokens( tokens
) {
1728 var checkContext
, matcher
, j
,
1729 len
= tokens
.length
,
1730 leadingRelative
= Expr
.relative
[ tokens
[0].type
],
1731 implicitRelative
= leadingRelative
|| Expr
.relative
[" "],
1732 i
= leadingRelative
? 1 : 0,
1734 // The foundational matcher ensures that elements are reachable from top-level context(s)
1735 matchContext
= addCombinator( function( elem
) {
1736 return elem
=== checkContext
;
1737 }, implicitRelative
, true ),
1738 matchAnyContext
= addCombinator( function( elem
) {
1739 return indexOf( checkContext
, elem
) > -1;
1740 }, implicitRelative
, true ),
1741 matchers
= [ function( elem
, context
, xml
) {
1742 var ret
= ( !leadingRelative
&& ( xml
|| context
!== outermostContext
) ) || (
1743 (checkContext
= context
).nodeType
?
1744 matchContext( elem
, context
, xml
) :
1745 matchAnyContext( elem
, context
, xml
) );
1746 // Avoid hanging onto element (issue #299)
1747 checkContext
= null;
1751 for ( ; i
< len
; i
++ ) {
1752 if ( (matcher
= Expr
.relative
[ tokens
[i
].type
]) ) {
1753 matchers
= [ addCombinator(elementMatcher( matchers
), matcher
) ];
1755 matcher
= Expr
.filter
[ tokens
[i
].type
].apply( null, tokens
[i
].matches
);
1757 // Return special upon seeing a positional matcher
1758 if ( matcher
[ expando
] ) {
1759 // Find the next relative operator (if any) for proper handling
1761 for ( ; j
< len
; j
++ ) {
1762 if ( Expr
.relative
[ tokens
[j
].type
] ) {
1767 i
> 1 && elementMatcher( matchers
),
1768 i
> 1 && toSelector(
1769 // If the preceding token was a descendant combinator, insert an implicit any-element `*`
1770 tokens
.slice( 0, i
- 1 ).concat({ value: tokens
[ i
- 2 ].type
=== " " ? "*" : "" })
1771 ).replace( rtrim
, "$1" ),
1773 i
< j
&& matcherFromTokens( tokens
.slice( i
, j
) ),
1774 j
< len
&& matcherFromTokens( (tokens
= tokens
.slice( j
)) ),
1775 j
< len
&& toSelector( tokens
)
1778 matchers
.push( matcher
);
1782 return elementMatcher( matchers
);
1785 function matcherFromGroupMatchers( elementMatchers
, setMatchers
) {
1786 var bySet
= setMatchers
.length
> 0,
1787 byElement
= elementMatchers
.length
> 0,
1788 superMatcher = function( seed
, context
, xml
, results
, outermost
) {
1789 var elem
, j
, matcher
,
1792 unmatched
= seed
&& [],
1794 contextBackup
= outermostContext
,
1795 // We must always have either seed elements or outermost context
1796 elems
= seed
|| byElement
&& Expr
.find
["TAG"]( "*", outermost
),
1797 // Use integer dirruns iff this is the outermost matcher
1798 dirrunsUnique
= (dirruns
+= contextBackup
== null ? 1 : Math
.random() || 0.1),
1802 outermostContext
= context
!== document
&& context
;
1805 // Add elements passing elementMatchers directly to results
1806 // Keep `i` a string if there are no elements so `matchedCount` will be "00" below
1807 // Support: IE<9, Safari
1808 // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
1809 for ( ; i
!== len
&& (elem
= elems
[i
]) != null; i
++ ) {
1810 if ( byElement
&& elem
) {
1812 while ( (matcher
= elementMatchers
[j
++]) ) {
1813 if ( matcher( elem
, context
, xml
) ) {
1814 results
.push( elem
);
1819 dirruns
= dirrunsUnique
;
1823 // Track unmatched elements for set filters
1825 // They will have gone through all possible matchers
1826 if ( (elem
= !matcher
&& elem
) ) {
1830 // Lengthen the array for every element, matched or not
1832 unmatched
.push( elem
);
1837 // Apply set filters to unmatched elements
1839 if ( bySet
&& i
!== matchedCount
) {
1841 while ( (matcher
= setMatchers
[j
++]) ) {
1842 matcher( unmatched
, setMatched
, context
, xml
);
1846 // Reintegrate element matches to eliminate the need for sorting
1847 if ( matchedCount
> 0 ) {
1849 if ( !(unmatched
[i
] || setMatched
[i
]) ) {
1850 setMatched
[i
] = pop
.call( results
);
1855 // Discard index placeholder values to get only actual matches
1856 setMatched
= condense( setMatched
);
1859 // Add matches to results
1860 push
.apply( results
, setMatched
);
1862 // Seedless set matches succeeding multiple successful matchers stipulate sorting
1863 if ( outermost
&& !seed
&& setMatched
.length
> 0 &&
1864 ( matchedCount
+ setMatchers
.length
) > 1 ) {
1866 Sizzle
.uniqueSort( results
);
1870 // Override manipulation of globals by nested matchers
1872 dirruns
= dirrunsUnique
;
1873 outermostContext
= contextBackup
;
1880 markFunction( superMatcher
) :
1884 compile
= Sizzle
.compile = function( selector
, match
/* Internal Use Only */ ) {
1887 elementMatchers
= [],
1888 cached
= compilerCache
[ selector
+ " " ];
1891 // Generate a function of recursive functions that can be used to check each element
1893 match
= tokenize( selector
);
1897 cached
= matcherFromTokens( match
[i
] );
1898 if ( cached
[ expando
] ) {
1899 setMatchers
.push( cached
);
1901 elementMatchers
.push( cached
);
1905 // Cache the compiled function
1906 cached
= compilerCache( selector
, matcherFromGroupMatchers( elementMatchers
, setMatchers
) );
1908 // Save selector and tokenization
1909 cached
.selector
= selector
;
1915 * A low-level selection function that works with Sizzle's compiled
1916 * selector functions
1917 * @param {String|Function} selector A selector or a pre-compiled
1918 * selector function built with Sizzle.compile
1919 * @param {Element} context
1920 * @param {Array} [results]
1921 * @param {Array} [seed] A set of elements to match against
1923 select
= Sizzle
.select = function( selector
, context
, results
, seed
) {
1924 var i
, tokens
, token
, type
, find
,
1925 compiled
= typeof selector
=== "function" && selector
,
1926 match
= !seed
&& tokenize( (selector
= compiled
.selector
|| selector
) );
1928 results
= results
|| [];
1930 // Try to minimize operations if there is no seed and only one group
1931 if ( match
.length
=== 1 ) {
1933 // Take a shortcut and set the context if the root selector is an ID
1934 tokens
= match
[0] = match
[0].slice( 0 );
1935 if ( tokens
.length
> 2 && (token
= tokens
[0]).type
=== "ID" &&
1936 support
.getById
&& context
.nodeType
=== 9 && documentIsHTML
&&
1937 Expr
.relative
[ tokens
[1].type
] ) {
1939 context
= ( Expr
.find
["ID"]( token
.matches
[0].replace(runescape
, funescape
), context
) || [] )[0];
1943 // Precompiled matchers will still verify ancestry, so step up a level
1944 } else if ( compiled
) {
1945 context
= context
.parentNode
;
1948 selector
= selector
.slice( tokens
.shift().value
.length
);
1951 // Fetch a seed set for right-to-left matching
1952 i
= matchExpr
["needsContext"].test( selector
) ? 0 : tokens
.length
;
1956 // Abort if we hit a combinator
1957 if ( Expr
.relative
[ (type
= token
.type
) ] ) {
1960 if ( (find
= Expr
.find
[ type
]) ) {
1961 // Search, expanding context for leading sibling combinators
1963 token
.matches
[0].replace( runescape
, funescape
),
1964 rsibling
.test( tokens
[0].type
) && testContext( context
.parentNode
) || context
1967 // If seed is empty or no tokens remain, we can return early
1968 tokens
.splice( i
, 1 );
1969 selector
= seed
.length
&& toSelector( tokens
);
1971 push
.apply( results
, seed
);
1981 // Compile and execute a filtering function if one is not provided
1982 // Provide `match` to avoid retokenization if we modified the selector above
1983 ( compiled
|| compile( selector
, match
) )(
1988 rsibling
.test( selector
) && testContext( context
.parentNode
) || context
1993 // One-time assignments
1996 support
.sortStable
= expando
.split("").sort( sortOrder
).join("") === expando
;
1998 // Support: Chrome 14-35+
1999 // Always assume duplicates if they aren't passed to the comparison function
2000 support
.detectDuplicates
= !!hasDuplicate
;
2002 // Initialize against the default document
2005 // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
2006 // Detached nodes confoundingly follow *each other*
2007 support
.sortDetached
= assert(function( div1
) {
2008 // Should return 1, but returns 4 (following)
2009 return div1
.compareDocumentPosition( document
.createElement("div") ) & 1;
2013 // Prevent attribute/property "interpolation"
2014 // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
2015 if ( !assert(function( div
) {
2016 div
.innerHTML
= "<a href='#'></a>";
2017 return div
.firstChild
.getAttribute("href") === "#" ;
2019 addHandle( "type|href|height|width", function( elem
, name
, isXML
) {
2021 return elem
.getAttribute( name
, name
.toLowerCase() === "type" ? 1 : 2 );
2027 // Use defaultValue in place of getAttribute("value")
2028 if ( !support
.attributes
|| !assert(function( div
) {
2029 div
.innerHTML
= "<input/>";
2030 div
.firstChild
.setAttribute( "value", "" );
2031 return div
.firstChild
.getAttribute( "value" ) === "";
2033 addHandle( "value", function( elem
, name
, isXML
) {
2034 if ( !isXML
&& elem
.nodeName
.toLowerCase() === "input" ) {
2035 return elem
.defaultValue
;
2041 // Use getAttributeNode to fetch booleans when getAttribute lies
2042 if ( !assert(function( div
) {
2043 return div
.getAttribute("disabled") == null;
2045 addHandle( booleans
, function( elem
, name
, isXML
) {
2048 return elem
[ name
] === true ? name
.toLowerCase() :
2049 (val
= elem
.getAttributeNode( name
)) && val
.specified
?
2057 if ( typeof define
=== "function" && define
.amd
) {
2058 define(function() { return Sizzle
; });
2059 // Sizzle requires that there be a global window in Common-JS like environments
2060 } else if ( typeof module
!== "undefined" && module
.exports
) {
2061 module
.exports
= Sizzle
;
2063 window
.Sizzle
= Sizzle
;