root / drupal7 / sites / all / libraries / flexslider-2.5.0 / bower_components / jquery / src / sizzle / dist / sizzle.js @ 0aee3c58
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/*!
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* Sizzle CSS Selector Engine v2.2.0-pre
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* http://sizzlejs.com/
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*
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* Copyright 2008, 2014 jQuery Foundation, Inc. and other contributors
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* Released under the MIT license
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* http://jquery.org/license
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*
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* Date: 2014-12-16
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*/
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(function( window ) {
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|
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var i,
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support, |
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Expr, |
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getText, |
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isXML, |
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tokenize, |
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compile, |
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select, |
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outermostContext, |
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sortInput, |
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hasDuplicate, |
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|
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// Local document vars
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setDocument, |
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document, |
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docElem, |
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documentIsHTML, |
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rbuggyQSA, |
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rbuggyMatches, |
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matches, |
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contains, |
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|
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// Instance-specific data
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expando = "sizzle" + 1 * new Date(), |
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preferredDoc = window.document, |
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dirruns = 0,
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done = 0,
|
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classCache = createCache(), |
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tokenCache = createCache(), |
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compilerCache = createCache(), |
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sortOrder = function( a, b ) { |
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if ( a === b ) {
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hasDuplicate = true;
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} |
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return 0; |
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}, |
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|
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// General-purpose constants
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MAX_NEGATIVE = 1 << 31, |
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|
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// Instance methods
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hasOwn = ({}).hasOwnProperty,
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arr = [], |
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pop = arr.pop, |
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push_native = arr.push, |
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push = arr.push, |
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slice = arr.slice, |
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// Use a stripped-down indexOf as it's faster than native
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// http://jsperf.com/thor-indexof-vs-for/5
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indexOf = function( list, elem ) { |
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var i = 0, |
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len = list.length; |
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for ( ; i < len; i++ ) {
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if ( list[i] === elem ) {
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return i;
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} |
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} |
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return -1; |
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}, |
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booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
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|
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// Regular expressions
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|
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// Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace
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whitespace = "[\\x20\\t\\r\\n\\f]",
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// http://www.w3.org/TR/css3-syntax/#characters
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characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",
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// Loosely modeled on CSS identifier characters
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// An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors
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// Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
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identifier = characterEncoding.replace( "w", "w#" ), |
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|
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// Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
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attributes = "\\[" + whitespace + "*(" + characterEncoding + ")(?:" + whitespace + |
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// Operator (capture 2)
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"*([*^$|!~]?=)" + whitespace +
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// "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
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"*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace + |
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"*\\]",
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pseudos = ":(" + characterEncoding + ")(?:\\((" + |
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// To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
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// 1. quoted (capture 3; capture 4 or capture 5)
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"('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
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// 2. simple (capture 6)
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"((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" + |
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// 3. anything else (capture 2)
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".*" +
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")\\)|)",
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// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
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rwhitespace = new RegExp( whitespace + "+", "g" ), |
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rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ), |
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|
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rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ), |
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rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ), |
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rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ), |
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rpseudo = new RegExp( pseudos ),
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ridentifier = new RegExp( "^" + identifier + "$" ), |
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matchExpr = {
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"ID": new RegExp( "^#(" + characterEncoding + ")" ), |
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"CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ), |
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"TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ), |
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"ATTR": new RegExp( "^" + attributes ), |
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"PSEUDO": new RegExp( "^" + pseudos ), |
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"CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace + |
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"*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace + |
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"*(\\d+)|))" + whitespace + "*\\)|)", "i" ), |
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"bool": new RegExp( "^(?:" + booleans + ")$", "i" ), |
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// For use in libraries implementing .is()
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// We use this for POS matching in `select`
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"needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + |
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whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" ) |
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}, |
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rinputs = /^(?:input|select|textarea|button)$/i,
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rheader = /^h\d$/i,
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rnative = /^[^{]+\{\s*\[native \w/,
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// Easily-parseable/retrievable ID or TAG or CLASS selectors
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rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
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rsibling = /[+~]/,
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rescape = /'|\\/g,
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// CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
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runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ), |
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funescape = function( _, escaped, escapedWhitespace ) { |
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var high = "0x" + escaped - 0x10000; |
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// NaN means non-codepoint
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// Support: Firefox<24
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// Workaround erroneous numeric interpretation of +"0x"
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return high !== high || escapedWhitespace ?
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escaped : |
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high < 0 ?
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// BMP codepoint
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String.fromCharCode( high + 0x10000 ) :
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// Supplemental Plane codepoint (surrogate pair)
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String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); |
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}, |
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// Used for iframes
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// See setDocument()
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// Removing the function wrapper causes a "Permission Denied"
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// error in IE
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unloadHandler = function() { |
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setDocument(); |
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}; |
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// Optimize for push.apply( _, NodeList )
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try {
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push.apply( |
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(arr = slice.call( preferredDoc.childNodes )), |
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preferredDoc.childNodes |
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); |
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// Support: Android<4.0
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// Detect silently failing push.apply
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arr[ preferredDoc.childNodes.length ].nodeType; |
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} catch ( e ) {
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push = { apply: arr.length ?
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|
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// Leverage slice if possible
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function( target, els ) {
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push_native.apply( target, slice.call(els) ); |
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} : |
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|
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// Support: IE<9
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// Otherwise append directly
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function( target, els ) {
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var j = target.length,
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i = 0;
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// Can't trust NodeList.length
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while ( (target[j++] = els[i++]) ) {}
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target.length = j - 1;
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} |
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}; |
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} |
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|
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function Sizzle( selector, context, results, seed ) { |
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var match, elem, m, nodeType,
|
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// QSA vars
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i, groups, old, nid, newContext, newSelector; |
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|
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if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
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setDocument( context ); |
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} |
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context = context || document; |
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results = results || []; |
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nodeType = context.nodeType; |
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|
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if ( typeof selector !== "string" || !selector || |
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nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) { |
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return results;
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} |
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|
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if ( !seed && documentIsHTML ) {
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|
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// Try to shortcut find operations when possible (e.g., not under DocumentFragment)
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if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) { |
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// Speed-up: Sizzle("#ID")
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if ( (m = match[1]) ) { |
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if ( nodeType === 9 ) { |
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elem = context.getElementById( m ); |
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// Check parentNode to catch when Blackberry 4.6 returns
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// nodes that are no longer in the document (jQuery #6963)
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if ( elem && elem.parentNode ) {
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// Handle the case where IE, Opera, and Webkit return items
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// by name instead of ID
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if ( elem.id === m ) {
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results.push( elem ); |
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return results;
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} |
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} else {
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return results;
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} |
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} else {
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// Context is not a document
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if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) &&
|
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contains( context, elem ) && elem.id === m ) {
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results.push( elem ); |
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return results;
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} |
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} |
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|
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// Speed-up: Sizzle("TAG")
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} else if ( match[2] ) { |
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push.apply( results, context.getElementsByTagName( selector ) ); |
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return results;
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|
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// Speed-up: Sizzle(".CLASS")
|
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} else if ( (m = match[3]) && support.getElementsByClassName ) { |
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push.apply( results, context.getElementsByClassName( m ) ); |
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return results;
|
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} |
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} |
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|
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// QSA path
|
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if ( support.qsa && (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
|
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nid = old = expando; |
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newContext = context; |
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newSelector = nodeType !== 1 && selector;
|
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|
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// qSA works strangely on Element-rooted queries
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// We can work around this by specifying an extra ID on the root
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// and working up from there (Thanks to Andrew Dupont for the technique)
|
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// IE 8 doesn't work on object elements
|
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if ( nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) { |
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groups = tokenize( selector ); |
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|
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if ( (old = context.getAttribute("id")) ) { |
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nid = old.replace( rescape, "\\$&" );
|
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} else {
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context.setAttribute( "id", nid );
|
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} |
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nid = "[id='" + nid + "'] "; |
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|
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i = groups.length; |
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while ( i-- ) {
|
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groups[i] = nid + toSelector( groups[i] ); |
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} |
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newContext = rsibling.test( selector ) && testContext( context.parentNode ) || context; |
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newSelector = groups.join(",");
|
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} |
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|
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if ( newSelector ) {
|
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try {
|
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push.apply( results, |
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newContext.querySelectorAll( newSelector ) |
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); |
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return results;
|
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} catch(qsaError) {
|
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} finally {
|
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if ( !old ) {
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context.removeAttribute("id");
|
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} |
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} |
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} |
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} |
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} |
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|
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// All others
|
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return select( selector.replace( rtrim, "$1" ), context, results, seed ); |
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} |
| 304 |
|
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/**
|
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* Create key-value caches of limited size
|
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* @returns {Function(string, Object)} Returns the Object data after storing it on itself with
|
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* property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
|
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* deleting the oldest entry
|
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*/
|
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function createCache() { |
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var keys = [];
|
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|
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function cache( key, value ) { |
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// Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
|
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if ( keys.push( key + " " ) > Expr.cacheLength ) { |
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// Only keep the most recent entries
|
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delete cache[ keys.shift() ];
|
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} |
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return (cache[ key + " " ] = value); |
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} |
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return cache;
|
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} |
| 324 |
|
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/**
|
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* Mark a function for special use by Sizzle
|
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* @param {Function} fn The function to mark
|
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*/
|
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function markFunction( fn ) { |
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fn[ expando ] = true;
|
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return fn;
|
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} |
| 333 |
|
| 334 |
/**
|
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* Support testing using an element
|
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* @param {Function} fn Passed the created div and expects a boolean result
|
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*/
|
| 338 |
function assert( fn ) { |
| 339 |
var div = document.createElement("div"); |
| 340 |
|
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try {
|
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return !!fn( div );
|
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} catch (e) {
|
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return false; |
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} finally {
|
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// Remove from its parent by default
|
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if ( div.parentNode ) {
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div.parentNode.removeChild( div ); |
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} |
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// release memory in IE
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div = null;
|
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} |
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} |
| 354 |
|
| 355 |
/**
|
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* Adds the same handler for all of the specified attrs
|
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* @param {String} attrs Pipe-separated list of attributes
|
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* @param {Function} handler The method that will be applied
|
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*/
|
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function addHandle( attrs, handler ) { |
| 361 |
var arr = attrs.split("|"), |
| 362 |
i = attrs.length; |
| 363 |
|
| 364 |
while ( i-- ) {
|
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Expr.attrHandle[ arr[i] ] = handler; |
| 366 |
} |
| 367 |
} |
| 368 |
|
| 369 |
/**
|
| 370 |
* Checks document order of two siblings
|
| 371 |
* @param {Element} a
|
| 372 |
* @param {Element} b
|
| 373 |
* @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
|
| 374 |
*/
|
| 375 |
function siblingCheck( a, b ) { |
| 376 |
var cur = b && a,
|
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diff = cur && a.nodeType === 1 && b.nodeType === 1 && |
| 378 |
( ~b.sourceIndex || MAX_NEGATIVE ) - |
| 379 |
( ~a.sourceIndex || MAX_NEGATIVE ); |
| 380 |
|
| 381 |
// Use IE sourceIndex if available on both nodes
|
| 382 |
if ( diff ) {
|
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return diff;
|
| 384 |
} |
| 385 |
|
| 386 |
// Check if b follows a
|
| 387 |
if ( cur ) {
|
| 388 |
while ( (cur = cur.nextSibling) ) {
|
| 389 |
if ( cur === b ) {
|
| 390 |
return -1; |
| 391 |
} |
| 392 |
} |
| 393 |
} |
| 394 |
|
| 395 |
return a ? 1 : -1; |
| 396 |
} |
| 397 |
|
| 398 |
/**
|
| 399 |
* Returns a function to use in pseudos for input types
|
| 400 |
* @param {String} type
|
| 401 |
*/
|
| 402 |
function createInputPseudo( type ) { |
| 403 |
return function( elem ) { |
| 404 |
var name = elem.nodeName.toLowerCase();
|
| 405 |
return name === "input" && elem.type === type; |
| 406 |
}; |
| 407 |
} |
| 408 |
|
| 409 |
/**
|
| 410 |
* Returns a function to use in pseudos for buttons
|
| 411 |
* @param {String} type
|
| 412 |
*/
|
| 413 |
function createButtonPseudo( type ) { |
| 414 |
return function( elem ) { |
| 415 |
var name = elem.nodeName.toLowerCase();
|
| 416 |
return (name === "input" || name === "button") && elem.type === type; |
| 417 |
}; |
| 418 |
} |
| 419 |
|
| 420 |
/**
|
| 421 |
* Returns a function to use in pseudos for positionals
|
| 422 |
* @param {Function} fn
|
| 423 |
*/
|
| 424 |
function createPositionalPseudo( fn ) { |
| 425 |
return markFunction(function( argument ) { |
| 426 |
argument = +argument; |
| 427 |
return markFunction(function( seed, matches ) { |
| 428 |
var j,
|
| 429 |
matchIndexes = fn( [], seed.length, argument ), |
| 430 |
i = matchIndexes.length; |
| 431 |
|
| 432 |
// Match elements found at the specified indexes
|
| 433 |
while ( i-- ) {
|
| 434 |
if ( seed[ (j = matchIndexes[i]) ] ) {
|
| 435 |
seed[j] = !(matches[j] = seed[j]); |
| 436 |
} |
| 437 |
} |
| 438 |
}); |
| 439 |
}); |
| 440 |
} |
| 441 |
|
| 442 |
/**
|
| 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
|
| 446 |
*/
|
| 447 |
function testContext( context ) { |
| 448 |
return context && typeof context.getElementsByTagName !== "undefined" && context; |
| 449 |
} |
| 450 |
|
| 451 |
// Expose support vars for convenience
|
| 452 |
support = Sizzle.support = {};
|
| 453 |
|
| 454 |
/**
|
| 455 |
* Detects XML nodes
|
| 456 |
* @param {Element|Object} elem An element or a document
|
| 457 |
* @returns {Boolean} True iff elem is a non-HTML XML node
|
| 458 |
*/
|
| 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; |
| 464 |
}; |
| 465 |
|
| 466 |
/**
|
| 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
|
| 470 |
*/
|
| 471 |
setDocument = Sizzle.setDocument = function( node ) { |
| 472 |
var hasCompare, parent,
|
| 473 |
doc = node ? node.ownerDocument || node : preferredDoc; |
| 474 |
|
| 475 |
// If no document and documentElement is available, return
|
| 476 |
if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) { |
| 477 |
return document;
|
| 478 |
} |
| 479 |
|
| 480 |
// Set our document
|
| 481 |
document = doc; |
| 482 |
docElem = doc.documentElement; |
| 483 |
parent = doc.defaultView; |
| 484 |
|
| 485 |
// Support: IE>8
|
| 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 );
|
| 495 |
} |
| 496 |
} |
| 497 |
|
| 498 |
/* Support tests
|
| 499 |
---------------------------------------------------------------------- */
|
| 500 |
documentIsHTML = !isXML( doc ); |
| 501 |
|
| 502 |
/* Attributes
|
| 503 |
---------------------------------------------------------------------- */
|
| 504 |
|
| 505 |
// Support: IE<8
|
| 506 |
// Verify that getAttribute really returns attributes and not properties
|
| 507 |
// (excepting IE8 booleans)
|
| 508 |
support.attributes = assert(function( div ) {
|
| 509 |
div.className = "i";
|
| 510 |
return !div.getAttribute("className"); |
| 511 |
}); |
| 512 |
|
| 513 |
/* getElement(s)By*
|
| 514 |
---------------------------------------------------------------------- */
|
| 515 |
|
| 516 |
// Check if getElementsByTagName("*") returns only elements
|
| 517 |
support.getElementsByTagName = assert(function( div ) {
|
| 518 |
div.appendChild( doc.createComment("") );
|
| 519 |
return !div.getElementsByTagName("*").length; |
| 520 |
}); |
| 521 |
|
| 522 |
// Support: IE<9
|
| 523 |
support.getElementsByClassName = rnative.test( doc.getElementsByClassName ); |
| 524 |
|
| 525 |
// Support: IE<10
|
| 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;
|
| 532 |
}); |
| 533 |
|
| 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 ] : [];
|
| 542 |
} |
| 543 |
}; |
| 544 |
Expr.filter["ID"] = function( id ) { |
| 545 |
var attrId = id.replace( runescape, funescape );
|
| 546 |
return function( elem ) { |
| 547 |
return elem.getAttribute("id") === attrId; |
| 548 |
}; |
| 549 |
}; |
| 550 |
} else {
|
| 551 |
// Support: IE6/7
|
| 552 |
// getElementById is not reliable as a find shortcut
|
| 553 |
delete Expr.find["ID"]; |
| 554 |
|
| 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;
|
| 560 |
}; |
| 561 |
}; |
| 562 |
} |
| 563 |
|
| 564 |
// Tag
|
| 565 |
Expr.find["TAG"] = support.getElementsByTagName ?
|
| 566 |
function( tag, context ) {
|
| 567 |
if ( typeof context.getElementsByTagName !== "undefined" ) { |
| 568 |
return context.getElementsByTagName( tag );
|
| 569 |
|
| 570 |
// DocumentFragment nodes don't have gEBTN
|
| 571 |
} else if ( support.qsa ) { |
| 572 |
return context.querySelectorAll( tag );
|
| 573 |
} |
| 574 |
} : |
| 575 |
|
| 576 |
function( tag, context ) {
|
| 577 |
var elem,
|
| 578 |
tmp = [], |
| 579 |
i = 0,
|
| 580 |
// By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
|
| 581 |
results = context.getElementsByTagName( tag ); |
| 582 |
|
| 583 |
// Filter out possible comments
|
| 584 |
if ( tag === "*" ) { |
| 585 |
while ( (elem = results[i++]) ) {
|
| 586 |
if ( elem.nodeType === 1 ) { |
| 587 |
tmp.push( elem ); |
| 588 |
} |
| 589 |
} |
| 590 |
|
| 591 |
return tmp;
|
| 592 |
} |
| 593 |
return results;
|
| 594 |
}; |
| 595 |
|
| 596 |
// Class
|
| 597 |
Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) { |
| 598 |
if ( documentIsHTML ) {
|
| 599 |
return context.getElementsByClassName( className );
|
| 600 |
} |
| 601 |
}; |
| 602 |
|
| 603 |
/* QSA/matchesSelector
|
| 604 |
---------------------------------------------------------------------- */
|
| 605 |
|
| 606 |
// QSA and matchesSelector support
|
| 607 |
|
| 608 |
// matchesSelector(:active) reports false when true (IE9/Opera 11.5)
|
| 609 |
rbuggyMatches = []; |
| 610 |
|
| 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
|
| 616 |
rbuggyQSA = []; |
| 617 |
|
| 618 |
if ( (support.qsa = rnative.test( doc.querySelectorAll )) ) {
|
| 619 |
// Build QSA regex
|
| 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>";
|
| 630 |
|
| 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 + "*(?:''|\"\")" ); |
| 637 |
} |
| 638 |
|
| 639 |
// Support: IE8
|
| 640 |
// Boolean attributes and "value" are not treated correctly
|
| 641 |
if ( !div.querySelectorAll("[selected]").length ) { |
| 642 |
rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" ); |
| 643 |
} |
| 644 |
|
| 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("~=");
|
| 648 |
} |
| 649 |
|
| 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");
|
| 655 |
} |
| 656 |
|
| 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(".#.+[+~]");
|
| 662 |
} |
| 663 |
}); |
| 664 |
|
| 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" ); |
| 671 |
|
| 672 |
// Support: IE8
|
| 673 |
// Enforce case-sensitivity of name attribute
|
| 674 |
if ( div.querySelectorAll("[name=d]").length ) { |
| 675 |
rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" ); |
| 676 |
} |
| 677 |
|
| 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" ); |
| 682 |
} |
| 683 |
|
| 684 |
// Opera 10-11 does not throw on post-comma invalid pseudos
|
| 685 |
div.querySelectorAll("*,:x");
|
| 686 |
rbuggyQSA.push(",.*:");
|
| 687 |
}); |
| 688 |
} |
| 689 |
|
| 690 |
if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
|
| 691 |
docElem.webkitMatchesSelector || |
| 692 |
docElem.mozMatchesSelector || |
| 693 |
docElem.oMatchesSelector || |
| 694 |
docElem.msMatchesSelector) )) ) {
|
| 695 |
|
| 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" );
|
| 700 |
|
| 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 );
|
| 705 |
}); |
| 706 |
} |
| 707 |
|
| 708 |
rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") ); |
| 709 |
rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") ); |
| 710 |
|
| 711 |
/* Contains
|
| 712 |
---------------------------------------------------------------------- */
|
| 713 |
hasCompare = rnative.test( docElem.compareDocumentPosition ); |
| 714 |
|
| 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 ) ? |
| 719 |
function( a, b ) {
|
| 720 |
var adown = a.nodeType === 9 ? a.documentElement : a, |
| 721 |
bup = b && b.parentNode; |
| 722 |
return a === bup || !!( bup && bup.nodeType === 1 && ( |
| 723 |
adown.contains ? |
| 724 |
adown.contains( bup ) : |
| 725 |
a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
|
| 726 |
)); |
| 727 |
} : |
| 728 |
function( a, b ) {
|
| 729 |
if ( b ) {
|
| 730 |
while ( (b = b.parentNode) ) {
|
| 731 |
if ( b === a ) {
|
| 732 |
return true; |
| 733 |
} |
| 734 |
} |
| 735 |
} |
| 736 |
return false; |
| 737 |
}; |
| 738 |
|
| 739 |
/* Sorting
|
| 740 |
---------------------------------------------------------------------- */
|
| 741 |
|
| 742 |
// Document order sorting
|
| 743 |
sortOrder = hasCompare ? |
| 744 |
function( a, b ) {
|
| 745 |
|
| 746 |
// Flag for duplicate removal
|
| 747 |
if ( a === b ) {
|
| 748 |
hasDuplicate = true;
|
| 749 |
return 0; |
| 750 |
} |
| 751 |
|
| 752 |
// Sort on method existence if only one input has compareDocumentPosition
|
| 753 |
var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
|
| 754 |
if ( compare ) {
|
| 755 |
return compare;
|
| 756 |
} |
| 757 |
|
| 758 |
// Calculate position if both inputs belong to the same document
|
| 759 |
compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ? |
| 760 |
a.compareDocumentPosition( b ) : |
| 761 |
|
| 762 |
// Otherwise we know they are disconnected
|
| 763 |
1;
|
| 764 |
|
| 765 |
// Disconnected nodes
|
| 766 |
if ( compare & 1 || |
| 767 |
(!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
|
| 768 |
|
| 769 |
// Choose the first element that is related to our preferred document
|
| 770 |
if ( a === doc || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
|
| 771 |
return -1; |
| 772 |
} |
| 773 |
if ( b === doc || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
|
| 774 |
return 1; |
| 775 |
} |
| 776 |
|
| 777 |
// Maintain original order
|
| 778 |
return sortInput ?
|
| 779 |
( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : |
| 780 |
0;
|
| 781 |
} |
| 782 |
|
| 783 |
return compare & 4 ? -1 : 1; |
| 784 |
} : |
| 785 |
function( a, b ) {
|
| 786 |
// Exit early if the nodes are identical
|
| 787 |
if ( a === b ) {
|
| 788 |
hasDuplicate = true;
|
| 789 |
return 0; |
| 790 |
} |
| 791 |
|
| 792 |
var cur,
|
| 793 |
i = 0,
|
| 794 |
aup = a.parentNode, |
| 795 |
bup = b.parentNode, |
| 796 |
ap = [ a ], |
| 797 |
bp = [ b ]; |
| 798 |
|
| 799 |
// Parentless nodes are either documents or disconnected
|
| 800 |
if ( !aup || !bup ) {
|
| 801 |
return a === doc ? -1 : |
| 802 |
b === doc ? 1 :
|
| 803 |
aup ? -1 :
|
| 804 |
bup ? 1 :
|
| 805 |
sortInput ? |
| 806 |
( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : |
| 807 |
0;
|
| 808 |
|
| 809 |
// If the nodes are siblings, we can do a quick check
|
| 810 |
} else if ( aup === bup ) { |
| 811 |
return siblingCheck( a, b );
|
| 812 |
} |
| 813 |
|
| 814 |
// Otherwise we need full lists of their ancestors for comparison
|
| 815 |
cur = a; |
| 816 |
while ( (cur = cur.parentNode) ) {
|
| 817 |
ap.unshift( cur ); |
| 818 |
} |
| 819 |
cur = b; |
| 820 |
while ( (cur = cur.parentNode) ) {
|
| 821 |
bp.unshift( cur ); |
| 822 |
} |
| 823 |
|
| 824 |
// Walk down the tree looking for a discrepancy
|
| 825 |
while ( ap[i] === bp[i] ) {
|
| 826 |
i++; |
| 827 |
} |
| 828 |
|
| 829 |
return i ?
|
| 830 |
// Do a sibling check if the nodes have a common ancestor
|
| 831 |
siblingCheck( ap[i], bp[i] ) : |
| 832 |
|
| 833 |
// Otherwise nodes in our document sort first
|
| 834 |
ap[i] === preferredDoc ? -1 :
|
| 835 |
bp[i] === preferredDoc ? 1 :
|
| 836 |
0;
|
| 837 |
}; |
| 838 |
|
| 839 |
return doc;
|
| 840 |
}; |
| 841 |
|
| 842 |
Sizzle.matches = function( expr, elements ) { |
| 843 |
return Sizzle( expr, null, null, elements ); |
| 844 |
}; |
| 845 |
|
| 846 |
Sizzle.matchesSelector = function( elem, expr ) { |
| 847 |
// Set document vars if needed
|
| 848 |
if ( ( elem.ownerDocument || elem ) !== document ) {
|
| 849 |
setDocument( elem ); |
| 850 |
} |
| 851 |
|
| 852 |
// Make sure that attribute selectors are quoted
|
| 853 |
expr = expr.replace( rattributeQuotes, "='$1']" );
|
| 854 |
|
| 855 |
if ( support.matchesSelector && documentIsHTML &&
|
| 856 |
( !rbuggyMatches || !rbuggyMatches.test( expr ) ) && |
| 857 |
( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) {
|
| 858 |
|
| 859 |
try {
|
| 860 |
var ret = matches.call( elem, expr );
|
| 861 |
|
| 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
|
| 865 |
// fragment in IE 9
|
| 866 |
elem.document && elem.document.nodeType !== 11 ) {
|
| 867 |
return ret;
|
| 868 |
} |
| 869 |
} catch (e) {}
|
| 870 |
} |
| 871 |
|
| 872 |
return Sizzle( expr, document, null, [ elem ] ).length > 0; |
| 873 |
}; |
| 874 |
|
| 875 |
Sizzle.contains = function( context, elem ) { |
| 876 |
// Set document vars if needed
|
| 877 |
if ( ( context.ownerDocument || context ) !== document ) {
|
| 878 |
setDocument( context ); |
| 879 |
} |
| 880 |
return contains( context, elem );
|
| 881 |
}; |
| 882 |
|
| 883 |
Sizzle.attr = function( elem, name ) { |
| 884 |
// Set document vars if needed
|
| 885 |
if ( ( elem.ownerDocument || elem ) !== document ) {
|
| 886 |
setDocument( elem ); |
| 887 |
} |
| 888 |
|
| 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 ) : |
| 893 |
undefined;
|
| 894 |
|
| 895 |
return val !== undefined ? |
| 896 |
val : |
| 897 |
support.attributes || !documentIsHTML ? |
| 898 |
elem.getAttribute( name ) : |
| 899 |
(val = elem.getAttributeNode(name)) && val.specified ? |
| 900 |
val.value : |
| 901 |
null;
|
| 902 |
}; |
| 903 |
|
| 904 |
Sizzle.error = function( msg ) { |
| 905 |
throw new Error( "Syntax error, unrecognized expression: " + msg ); |
| 906 |
}; |
| 907 |
|
| 908 |
/**
|
| 909 |
* Document sorting and removing duplicates
|
| 910 |
* @param {ArrayLike} results
|
| 911 |
*/
|
| 912 |
Sizzle.uniqueSort = function( results ) { |
| 913 |
var elem,
|
| 914 |
duplicates = [], |
| 915 |
j = 0,
|
| 916 |
i = 0;
|
| 917 |
|
| 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 ); |
| 922 |
|
| 923 |
if ( hasDuplicate ) {
|
| 924 |
while ( (elem = results[i++]) ) {
|
| 925 |
if ( elem === results[ i ] ) {
|
| 926 |
j = duplicates.push( i ); |
| 927 |
} |
| 928 |
} |
| 929 |
while ( j-- ) {
|
| 930 |
results.splice( duplicates[ j ], 1 );
|
| 931 |
} |
| 932 |
} |
| 933 |
|
| 934 |
// Clear input after sorting to release objects
|
| 935 |
// See https://github.com/jquery/sizzle/pull/225
|
| 936 |
sortInput = null;
|
| 937 |
|
| 938 |
return results;
|
| 939 |
}; |
| 940 |
|
| 941 |
/**
|
| 942 |
* Utility function for retrieving the text value of an array of DOM nodes
|
| 943 |
* @param {Array|Element} elem
|
| 944 |
*/
|
| 945 |
getText = Sizzle.getText = function( elem ) { |
| 946 |
var node,
|
| 947 |
ret = "",
|
| 948 |
i = 0,
|
| 949 |
nodeType = elem.nodeType; |
| 950 |
|
| 951 |
if ( !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 ); |
| 956 |
} |
| 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;
|
| 962 |
} else {
|
| 963 |
// Traverse its children
|
| 964 |
for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
|
| 965 |
ret += getText( elem ); |
| 966 |
} |
| 967 |
} |
| 968 |
} else if ( nodeType === 3 || nodeType === 4 ) { |
| 969 |
return elem.nodeValue;
|
| 970 |
} |
| 971 |
// Do not include comment or processing instruction nodes
|
| 972 |
|
| 973 |
return ret;
|
| 974 |
}; |
| 975 |
|
| 976 |
Expr = Sizzle.selectors = {
|
| 977 |
|
| 978 |
// Can be adjusted by the user
|
| 979 |
cacheLength: 50, |
| 980 |
|
| 981 |
createPseudo: markFunction,
|
| 982 |
|
| 983 |
match: matchExpr,
|
| 984 |
|
| 985 |
attrHandle: {},
|
| 986 |
|
| 987 |
find: {},
|
| 988 |
|
| 989 |
relative: {
|
| 990 |
">": { dir: "parentNode", first: true }, |
| 991 |
" ": { dir: "parentNode" }, |
| 992 |
"+": { dir: "previousSibling", first: true }, |
| 993 |
"~": { dir: "previousSibling" } |
| 994 |
}, |
| 995 |
|
| 996 |
preFilter: {
|
| 997 |
"ATTR": function( match ) { |
| 998 |
match[1] = match[1].replace( runescape, funescape ); |
| 999 |
|
| 1000 |
// Move the given value to match[3] whether quoted or unquoted
|
| 1001 |
match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape ); |
| 1002 |
|
| 1003 |
if ( match[2] === "~=" ) { |
| 1004 |
match[3] = " " + match[3] + " "; |
| 1005 |
} |
| 1006 |
|
| 1007 |
return match.slice( 0, 4 ); |
| 1008 |
}, |
| 1009 |
|
| 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
|
| 1017 |
6 x of xn-component
|
| 1018 |
7 sign of y-component
|
| 1019 |
8 y of y-component
|
| 1020 |
*/
|
| 1021 |
match[1] = match[1].toLowerCase(); |
| 1022 |
|
| 1023 |
if ( match[1].slice( 0, 3 ) === "nth" ) { |
| 1024 |
// nth-* requires argument
|
| 1025 |
if ( !match[3] ) { |
| 1026 |
Sizzle.error( match[0] );
|
| 1027 |
} |
| 1028 |
|
| 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" ); |
| 1033 |
|
| 1034 |
// other types prohibit arguments
|
| 1035 |
} else if ( match[3] ) { |
| 1036 |
Sizzle.error( match[0] );
|
| 1037 |
} |
| 1038 |
|
| 1039 |
return match;
|
| 1040 |
}, |
| 1041 |
|
| 1042 |
"PSEUDO": function( match ) { |
| 1043 |
var excess,
|
| 1044 |
unquoted = !match[6] && match[2]; |
| 1045 |
|
| 1046 |
if ( matchExpr["CHILD"].test( match[0] ) ) { |
| 1047 |
return null; |
| 1048 |
} |
| 1049 |
|
| 1050 |
// Accept quoted arguments as-is
|
| 1051 |
if ( match[3] ) { |
| 1052 |
match[2] = match[4] || match[5] || ""; |
| 1053 |
|
| 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) ) {
|
| 1060 |
|
| 1061 |
// excess is a negative index
|
| 1062 |
match[0] = match[0].slice( 0, excess ); |
| 1063 |
match[2] = unquoted.slice( 0, excess ); |
| 1064 |
} |
| 1065 |
|
| 1066 |
// Return only captures needed by the pseudo filter method (type and argument)
|
| 1067 |
return match.slice( 0, 3 ); |
| 1068 |
} |
| 1069 |
}, |
| 1070 |
|
| 1071 |
filter: {
|
| 1072 |
|
| 1073 |
"TAG": function( nodeNameSelector ) { |
| 1074 |
var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
|
| 1075 |
return nodeNameSelector === "*" ? |
| 1076 |
function() { return true; } : |
| 1077 |
function( elem ) {
|
| 1078 |
return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
|
| 1079 |
}; |
| 1080 |
}, |
| 1081 |
|
| 1082 |
"CLASS": function( className ) { |
| 1083 |
var pattern = classCache[ className + " " ]; |
| 1084 |
|
| 1085 |
return pattern ||
|
| 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") || "" ); |
| 1089 |
}); |
| 1090 |
}, |
| 1091 |
|
| 1092 |
"ATTR": function( name, operator, check ) { |
| 1093 |
return function( elem ) { |
| 1094 |
var result = Sizzle.attr( elem, name );
|
| 1095 |
|
| 1096 |
if ( result == null ) { |
| 1097 |
return operator === "!="; |
| 1098 |
} |
| 1099 |
if ( !operator ) {
|
| 1100 |
return true; |
| 1101 |
} |
| 1102 |
|
| 1103 |
result += "";
|
| 1104 |
|
| 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 + "-" : |
| 1112 |
false;
|
| 1113 |
}; |
| 1114 |
}, |
| 1115 |
|
| 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";
|
| 1120 |
|
| 1121 |
return first === 1 && last === 0 ? |
| 1122 |
|
| 1123 |
// Shortcut for :nth-*(n)
|
| 1124 |
function( elem ) {
|
| 1125 |
return !!elem.parentNode;
|
| 1126 |
} : |
| 1127 |
|
| 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; |
| 1134 |
|
| 1135 |
if ( parent ) {
|
| 1136 |
|
| 1137 |
// :(first|last|only)-(child|of-type)
|
| 1138 |
if ( simple ) {
|
| 1139 |
while ( dir ) {
|
| 1140 |
node = elem; |
| 1141 |
while ( (node = node[ dir ]) ) {
|
| 1142 |
if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) { |
| 1143 |
return false; |
| 1144 |
} |
| 1145 |
} |
| 1146 |
// Reverse direction for :only-* (if we haven't yet done so)
|
| 1147 |
start = dir = type === "only" && !start && "nextSibling"; |
| 1148 |
} |
| 1149 |
return true; |
| 1150 |
} |
| 1151 |
|
| 1152 |
start = [ forward ? parent.firstChild : parent.lastChild ]; |
| 1153 |
|
| 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 ]; |
| 1162 |
|
| 1163 |
while ( (node = ++nodeIndex && node && node[ dir ] ||
|
| 1164 |
|
| 1165 |
// Fallback to seeking `elem` from the start
|
| 1166 |
(diff = nodeIndex = 0) || start.pop()) ) {
|
| 1167 |
|
| 1168 |
// When found, cache indexes on `parent` and break
|
| 1169 |
if ( node.nodeType === 1 && ++diff && node === elem ) { |
| 1170 |
outerCache[ type ] = [ dirruns, nodeIndex, diff ]; |
| 1171 |
break;
|
| 1172 |
} |
| 1173 |
} |
| 1174 |
|
| 1175 |
// Use previously-cached element index if available
|
| 1176 |
} else if ( useCache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) { |
| 1177 |
diff = cache[1];
|
| 1178 |
|
| 1179 |
// xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...)
|
| 1180 |
} else {
|
| 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()) ) {
|
| 1184 |
|
| 1185 |
if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) { |
| 1186 |
// Cache the index of each encountered element
|
| 1187 |
if ( useCache ) {
|
| 1188 |
(node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ];
|
| 1189 |
} |
| 1190 |
|
| 1191 |
if ( node === elem ) {
|
| 1192 |
break;
|
| 1193 |
} |
| 1194 |
} |
| 1195 |
} |
| 1196 |
} |
| 1197 |
|
| 1198 |
// Incorporate the offset, then check against cycle size
|
| 1199 |
diff -= last; |
| 1200 |
return diff === first || ( diff % first === 0 && diff / first >= 0 ); |
| 1201 |
} |
| 1202 |
}; |
| 1203 |
}, |
| 1204 |
|
| 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
|
| 1210 |
var args,
|
| 1211 |
fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] || |
| 1212 |
Sizzle.error( "unsupported pseudo: " + pseudo );
|
| 1213 |
|
| 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 );
|
| 1219 |
} |
| 1220 |
|
| 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 ) {
|
| 1226 |
var idx,
|
| 1227 |
matched = fn( seed, argument ), |
| 1228 |
i = matched.length; |
| 1229 |
while ( i-- ) {
|
| 1230 |
idx = indexOf( seed, matched[i] ); |
| 1231 |
seed[ idx ] = !( matches[ idx ] = matched[i] ); |
| 1232 |
} |
| 1233 |
}) : |
| 1234 |
function( elem ) {
|
| 1235 |
return fn( elem, 0, args ); |
| 1236 |
}; |
| 1237 |
} |
| 1238 |
|
| 1239 |
return fn;
|
| 1240 |
} |
| 1241 |
}, |
| 1242 |
|
| 1243 |
pseudos: {
|
| 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
|
| 1249 |
var input = [],
|
| 1250 |
results = [], |
| 1251 |
matcher = compile( selector.replace( rtrim, "$1" ) );
|
| 1252 |
|
| 1253 |
return matcher[ expando ] ?
|
| 1254 |
markFunction(function( seed, matches, context, xml ) {
|
| 1255 |
var elem,
|
| 1256 |
unmatched = matcher( seed, null, xml, [] ),
|
| 1257 |
i = seed.length; |
| 1258 |
|
| 1259 |
// Match elements unmatched by `matcher`
|
| 1260 |
while ( i-- ) {
|
| 1261 |
if ( (elem = unmatched[i]) ) {
|
| 1262 |
seed[i] = !(matches[i] = elem); |
| 1263 |
} |
| 1264 |
} |
| 1265 |
}) : |
| 1266 |
function( elem, context, xml ) {
|
| 1267 |
input[0] = elem;
|
| 1268 |
matcher( input, null, xml, results );
|
| 1269 |
// Don't keep the element (issue #299)
|
| 1270 |
input[0] = null; |
| 1271 |
return !results.pop();
|
| 1272 |
}; |
| 1273 |
}), |
| 1274 |
|
| 1275 |
"has": markFunction(function( selector ) { |
| 1276 |
return function( elem ) { |
| 1277 |
return Sizzle( selector, elem ).length > 0; |
| 1278 |
}; |
| 1279 |
}), |
| 1280 |
|
| 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; |
| 1285 |
}; |
| 1286 |
}), |
| 1287 |
|
| 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 );
|
| 1299 |
} |
| 1300 |
lang = lang.replace( runescape, funescape ).toLowerCase(); |
| 1301 |
return function( elem ) { |
| 1302 |
var elemLang;
|
| 1303 |
do {
|
| 1304 |
if ( (elemLang = documentIsHTML ?
|
| 1305 |
elem.lang : |
| 1306 |
elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) { |
| 1307 |
|
| 1308 |
elemLang = elemLang.toLowerCase(); |
| 1309 |
return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0; |
| 1310 |
} |
| 1311 |
} while ( (elem = elem.parentNode) && elem.nodeType === 1 ); |
| 1312 |
return false; |
| 1313 |
}; |
| 1314 |
}), |
| 1315 |
|
| 1316 |
// Miscellaneous
|
| 1317 |
"target": function( elem ) { |
| 1318 |
var hash = window.location && window.location.hash;
|
| 1319 |
return hash && hash.slice( 1 ) === elem.id; |
| 1320 |
}, |
| 1321 |
|
| 1322 |
"root": function( elem ) { |
| 1323 |
return elem === docElem;
|
| 1324 |
}, |
| 1325 |
|
| 1326 |
"focus": function( elem ) { |
| 1327 |
return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
|
| 1328 |
}, |
| 1329 |
|
| 1330 |
// Boolean properties
|
| 1331 |
"enabled": function( elem ) { |
| 1332 |
return elem.disabled === false; |
| 1333 |
}, |
| 1334 |
|
| 1335 |
"disabled": function( elem ) { |
| 1336 |
return elem.disabled === true; |
| 1337 |
}, |
| 1338 |
|
| 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); |
| 1344 |
}, |
| 1345 |
|
| 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; |
| 1351 |
} |
| 1352 |
|
| 1353 |
return elem.selected === true; |
| 1354 |
}, |
| 1355 |
|
| 1356 |
// Contents
|
| 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 ) { |
| 1364 |
return false; |
| 1365 |
} |
| 1366 |
} |
| 1367 |
return true; |
| 1368 |
}, |
| 1369 |
|
| 1370 |
"parent": function( elem ) { |
| 1371 |
return !Expr.pseudos["empty"]( elem ); |
| 1372 |
}, |
| 1373 |
|
| 1374 |
// Element/input types
|
| 1375 |
"header": function( elem ) { |
| 1376 |
return rheader.test( elem.nodeName );
|
| 1377 |
}, |
| 1378 |
|
| 1379 |
"input": function( elem ) { |
| 1380 |
return rinputs.test( elem.nodeName );
|
| 1381 |
}, |
| 1382 |
|
| 1383 |
"button": function( elem ) { |
| 1384 |
var name = elem.nodeName.toLowerCase();
|
| 1385 |
return name === "input" && elem.type === "button" || name === "button"; |
| 1386 |
}, |
| 1387 |
|
| 1388 |
"text": function( elem ) { |
| 1389 |
var attr;
|
| 1390 |
return elem.nodeName.toLowerCase() === "input" && |
| 1391 |
elem.type === "text" &&
|
| 1392 |
|
| 1393 |
// Support: IE<8
|
| 1394 |
// New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
|
| 1395 |
( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" ); |
| 1396 |
}, |
| 1397 |
|
| 1398 |
// Position-in-collection
|
| 1399 |
"first": createPositionalPseudo(function() { |
| 1400 |
return [ 0 ]; |
| 1401 |
}), |
| 1402 |
|
| 1403 |
"last": createPositionalPseudo(function( matchIndexes, length ) { |
| 1404 |
return [ length - 1 ]; |
| 1405 |
}), |
| 1406 |
|
| 1407 |
"eq": createPositionalPseudo(function( matchIndexes, length, argument ) { |
| 1408 |
return [ argument < 0 ? argument + length : argument ]; |
| 1409 |
}), |
| 1410 |
|
| 1411 |
"even": createPositionalPseudo(function( matchIndexes, length ) { |
| 1412 |
var i = 0; |
| 1413 |
for ( ; i < length; i += 2 ) { |
| 1414 |
matchIndexes.push( i ); |
| 1415 |
} |
| 1416 |
return matchIndexes;
|
| 1417 |
}), |
| 1418 |
|
| 1419 |
"odd": createPositionalPseudo(function( matchIndexes, length ) { |
| 1420 |
var i = 1; |
| 1421 |
for ( ; i < length; i += 2 ) { |
| 1422 |
matchIndexes.push( i ); |
| 1423 |
} |
| 1424 |
return matchIndexes;
|
| 1425 |
}), |
| 1426 |
|
| 1427 |
"lt": createPositionalPseudo(function( matchIndexes, length, argument ) { |
| 1428 |
var i = argument < 0 ? argument + length : argument; |
| 1429 |
for ( ; --i >= 0; ) { |
| 1430 |
matchIndexes.push( i ); |
| 1431 |
} |
| 1432 |
return matchIndexes;
|
| 1433 |
}), |
| 1434 |
|
| 1435 |
"gt": createPositionalPseudo(function( matchIndexes, length, argument ) { |
| 1436 |
var i = argument < 0 ? argument + length : argument; |
| 1437 |
for ( ; ++i < length; ) {
|
| 1438 |
matchIndexes.push( i ); |
| 1439 |
} |
| 1440 |
return matchIndexes;
|
| 1441 |
}) |
| 1442 |
} |
| 1443 |
}; |
| 1444 |
|
| 1445 |
Expr.pseudos["nth"] = Expr.pseudos["eq"]; |
| 1446 |
|
| 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 ); |
| 1450 |
} |
| 1451 |
for ( i in { submit: true, reset: true } ) { |
| 1452 |
Expr.pseudos[ i ] = createButtonPseudo( i ); |
| 1453 |
} |
| 1454 |
|
| 1455 |
// Easy API for creating new setFilters
|
| 1456 |
function setFilters() {} |
| 1457 |
setFilters.prototype = Expr.filters = Expr.pseudos; |
| 1458 |
Expr.setFilters = new setFilters();
|
| 1459 |
|
| 1460 |
tokenize = Sizzle.tokenize = function( selector, parseOnly ) { |
| 1461 |
var matched, match, tokens, type,
|
| 1462 |
soFar, groups, preFilters, |
| 1463 |
cached = tokenCache[ selector + " " ];
|
| 1464 |
|
| 1465 |
if ( cached ) {
|
| 1466 |
return parseOnly ? 0 : cached.slice( 0 ); |
| 1467 |
} |
| 1468 |
|
| 1469 |
soFar = selector; |
| 1470 |
groups = []; |
| 1471 |
preFilters = Expr.preFilter; |
| 1472 |
|
| 1473 |
while ( soFar ) {
|
| 1474 |
|
| 1475 |
// Comma and first run
|
| 1476 |
if ( !matched || (match = rcomma.exec( soFar )) ) {
|
| 1477 |
if ( match ) {
|
| 1478 |
// Don't consume trailing commas as valid
|
| 1479 |
soFar = soFar.slice( match[0].length ) || soFar;
|
| 1480 |
} |
| 1481 |
groups.push( (tokens = []) ); |
| 1482 |
} |
| 1483 |
|
| 1484 |
matched = false;
|
| 1485 |
|
| 1486 |
// Combinators
|
| 1487 |
if ( (match = rcombinators.exec( soFar )) ) {
|
| 1488 |
matched = match.shift(); |
| 1489 |
tokens.push({
|
| 1490 |
value: matched,
|
| 1491 |
// Cast descendant combinators to space
|
| 1492 |
type: match[0].replace( rtrim, " " ) |
| 1493 |
}); |
| 1494 |
soFar = soFar.slice( matched.length ); |
| 1495 |
} |
| 1496 |
|
| 1497 |
// Filters
|
| 1498 |
for ( type in Expr.filter ) { |
| 1499 |
if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
|
| 1500 |
(match = preFilters[ type ]( match ))) ) {
|
| 1501 |
matched = match.shift(); |
| 1502 |
tokens.push({
|
| 1503 |
value: matched,
|
| 1504 |
type: type,
|
| 1505 |
matches: match
|
| 1506 |
}); |
| 1507 |
soFar = soFar.slice( matched.length ); |
| 1508 |
} |
| 1509 |
} |
| 1510 |
|
| 1511 |
if ( !matched ) {
|
| 1512 |
break;
|
| 1513 |
} |
| 1514 |
} |
| 1515 |
|
| 1516 |
// Return the length of the invalid excess
|
| 1517 |
// if we're just parsing
|
| 1518 |
// Otherwise, throw an error or return tokens
|
| 1519 |
return parseOnly ?
|
| 1520 |
soFar.length : |
| 1521 |
soFar ? |
| 1522 |
Sizzle.error( selector ) : |
| 1523 |
// Cache the tokens
|
| 1524 |
tokenCache( selector, groups ).slice( 0 );
|
| 1525 |
}; |
| 1526 |
|
| 1527 |
function toSelector( tokens ) { |
| 1528 |
var i = 0, |
| 1529 |
len = tokens.length, |
| 1530 |
selector = "";
|
| 1531 |
for ( ; i < len; i++ ) {
|
| 1532 |
selector += tokens[i].value; |
| 1533 |
} |
| 1534 |
return selector;
|
| 1535 |
} |
| 1536 |
|
| 1537 |
function addCombinator( matcher, combinator, base ) { |
| 1538 |
var dir = combinator.dir,
|
| 1539 |
checkNonElements = base && dir === "parentNode",
|
| 1540 |
doneName = done++; |
| 1541 |
|
| 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 );
|
| 1548 |
} |
| 1549 |
} |
| 1550 |
} : |
| 1551 |
|
| 1552 |
// Check against all ancestor/preceding elements
|
| 1553 |
function( elem, context, xml ) {
|
| 1554 |
var oldCache, outerCache,
|
| 1555 |
newCache = [ dirruns, doneName ]; |
| 1556 |
|
| 1557 |
// We can't set arbitrary data on XML nodes, so they don't benefit from dir caching
|
| 1558 |
if ( xml ) {
|
| 1559 |
while ( (elem = elem[ dir ]) ) {
|
| 1560 |
if ( elem.nodeType === 1 || checkNonElements ) { |
| 1561 |
if ( matcher( elem, context, xml ) ) {
|
| 1562 |
return true; |
| 1563 |
} |
| 1564 |
} |
| 1565 |
} |
| 1566 |
} else {
|
| 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 ) { |
| 1572 |
|
| 1573 |
// Assign to newCache so results back-propagate to previous elements
|
| 1574 |
return (newCache[ 2 ] = oldCache[ 2 ]); |
| 1575 |
} else {
|
| 1576 |
// Reuse newcache so results back-propagate to previous elements
|
| 1577 |
outerCache[ dir ] = newCache; |
| 1578 |
|
| 1579 |
// A match means we're done; a fail means we have to keep checking
|
| 1580 |
if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) { |
| 1581 |
return true; |
| 1582 |
} |
| 1583 |
} |
| 1584 |
} |
| 1585 |
} |
| 1586 |
} |
| 1587 |
}; |
| 1588 |
} |
| 1589 |
|
| 1590 |
function elementMatcher( matchers ) { |
| 1591 |
return matchers.length > 1 ? |
| 1592 |
function( elem, context, xml ) {
|
| 1593 |
var i = matchers.length;
|
| 1594 |
while ( i-- ) {
|
| 1595 |
if ( !matchers[i]( elem, context, xml ) ) {
|
| 1596 |
return false; |
| 1597 |
} |
| 1598 |
} |
| 1599 |
return true; |
| 1600 |
} : |
| 1601 |
matchers[0];
|
| 1602 |
} |
| 1603 |
|
| 1604 |
function multipleContexts( selector, contexts, results ) { |
| 1605 |
var i = 0, |
| 1606 |
len = contexts.length; |
| 1607 |
for ( ; i < len; i++ ) {
|
| 1608 |
Sizzle( selector, contexts[i], results ); |
| 1609 |
} |
| 1610 |
return results;
|
| 1611 |
} |
| 1612 |
|
| 1613 |
function condense( unmatched, map, filter, context, xml ) { |
| 1614 |
var elem,
|
| 1615 |
newUnmatched = [], |
| 1616 |
i = 0,
|
| 1617 |
len = unmatched.length, |
| 1618 |
mapped = map != null;
|
| 1619 |
|
| 1620 |
for ( ; i < len; i++ ) {
|
| 1621 |
if ( (elem = unmatched[i]) ) {
|
| 1622 |
if ( !filter || filter( elem, context, xml ) ) {
|
| 1623 |
newUnmatched.push( elem ); |
| 1624 |
if ( mapped ) {
|
| 1625 |
map.push( i ); |
| 1626 |
} |
| 1627 |
} |
| 1628 |
} |
| 1629 |
} |
| 1630 |
|
| 1631 |
return newUnmatched;
|
| 1632 |
} |
| 1633 |
|
| 1634 |
function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) { |
| 1635 |
if ( postFilter && !postFilter[ expando ] ) {
|
| 1636 |
postFilter = setMatcher( postFilter ); |
| 1637 |
} |
| 1638 |
if ( postFinder && !postFinder[ expando ] ) {
|
| 1639 |
postFinder = setMatcher( postFinder, postSelector ); |
| 1640 |
} |
| 1641 |
return markFunction(function( seed, results, context, xml ) { |
| 1642 |
var temp, i, elem,
|
| 1643 |
preMap = [], |
| 1644 |
postMap = [], |
| 1645 |
preexisting = results.length, |
| 1646 |
|
| 1647 |
// Get initial elements from seed or context
|
| 1648 |
elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
|
| 1649 |
|
| 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 ) : |
| 1653 |
elems, |
| 1654 |
|
| 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 ) ? |
| 1658 |
|
| 1659 |
// ...intermediate processing is necessary
|
| 1660 |
[] : |
| 1661 |
|
| 1662 |
// ...otherwise use results directly
|
| 1663 |
results : |
| 1664 |
matcherIn; |
| 1665 |
|
| 1666 |
// Find primary matches
|
| 1667 |
if ( matcher ) {
|
| 1668 |
matcher( matcherIn, matcherOut, context, xml ); |
| 1669 |
} |
| 1670 |
|
| 1671 |
// Apply postFilter
|
| 1672 |
if ( postFilter ) {
|
| 1673 |
temp = condense( matcherOut, postMap ); |
| 1674 |
postFilter( temp, [], context, xml ); |
| 1675 |
|
| 1676 |
// Un-match failing elements by moving them back to matcherIn
|
| 1677 |
i = temp.length; |
| 1678 |
while ( i-- ) {
|
| 1679 |
if ( (elem = temp[i]) ) {
|
| 1680 |
matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem); |
| 1681 |
} |
| 1682 |
} |
| 1683 |
} |
| 1684 |
|
| 1685 |
if ( seed ) {
|
| 1686 |
if ( postFinder || preFilter ) {
|
| 1687 |
if ( postFinder ) {
|
| 1688 |
// Get the final matcherOut by condensing this intermediate into postFinder contexts
|
| 1689 |
temp = []; |
| 1690 |
i = matcherOut.length; |
| 1691 |
while ( i-- ) {
|
| 1692 |
if ( (elem = matcherOut[i]) ) {
|
| 1693 |
// Restore matcherIn since elem is not yet a final match
|
| 1694 |
temp.push( (matcherIn[i] = elem) ); |
| 1695 |
} |
| 1696 |
} |
| 1697 |
postFinder( null, (matcherOut = []), temp, xml );
|
| 1698 |
} |
| 1699 |
|
| 1700 |
// Move matched elements from seed to results to keep them synchronized
|
| 1701 |
i = matcherOut.length; |
| 1702 |
while ( i-- ) {
|
| 1703 |
if ( (elem = matcherOut[i]) &&
|
| 1704 |
(temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {
|
| 1705 |
|
| 1706 |
seed[temp] = !(results[temp] = elem); |
| 1707 |
} |
| 1708 |
} |
| 1709 |
} |
| 1710 |
|
| 1711 |
// Add elements to results, through postFinder if defined
|
| 1712 |
} else {
|
| 1713 |
matcherOut = condense( |
| 1714 |
matcherOut === results ? |
| 1715 |
matcherOut.splice( preexisting, matcherOut.length ) : |
| 1716 |
matcherOut |
| 1717 |
); |
| 1718 |
if ( postFinder ) {
|
| 1719 |
postFinder( null, results, matcherOut, xml );
|
| 1720 |
} else {
|
| 1721 |
push.apply( results, matcherOut ); |
| 1722 |
} |
| 1723 |
} |
| 1724 |
}); |
| 1725 |
} |
| 1726 |
|
| 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, |
| 1733 |
|
| 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;
|
| 1748 |
return ret;
|
| 1749 |
} ]; |
| 1750 |
|
| 1751 |
for ( ; i < len; i++ ) {
|
| 1752 |
if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
|
| 1753 |
matchers = [ addCombinator(elementMatcher( matchers ), matcher) ]; |
| 1754 |
} else {
|
| 1755 |
matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
|
| 1756 |
|
| 1757 |
// Return special upon seeing a positional matcher
|
| 1758 |
if ( matcher[ expando ] ) {
|
| 1759 |
// Find the next relative operator (if any) for proper handling
|
| 1760 |
j = ++i; |
| 1761 |
for ( ; j < len; j++ ) {
|
| 1762 |
if ( Expr.relative[ tokens[j].type ] ) {
|
| 1763 |
break;
|
| 1764 |
} |
| 1765 |
} |
| 1766 |
return setMatcher(
|
| 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" ),
|
| 1772 |
matcher, |
| 1773 |
i < j && matcherFromTokens( tokens.slice( i, j ) ), |
| 1774 |
j < len && matcherFromTokens( (tokens = tokens.slice( j )) ), |
| 1775 |
j < len && toSelector( tokens ) |
| 1776 |
); |
| 1777 |
} |
| 1778 |
matchers.push( matcher ); |
| 1779 |
} |
| 1780 |
} |
| 1781 |
|
| 1782 |
return elementMatcher( matchers );
|
| 1783 |
} |
| 1784 |
|
| 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,
|
| 1790 |
matchedCount = 0,
|
| 1791 |
i = "0",
|
| 1792 |
unmatched = seed && [], |
| 1793 |
setMatched = [], |
| 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), |
| 1799 |
len = elems.length; |
| 1800 |
|
| 1801 |
if ( outermost ) {
|
| 1802 |
outermostContext = context !== document && context; |
| 1803 |
} |
| 1804 |
|
| 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 ) {
|
| 1811 |
j = 0;
|
| 1812 |
while ( (matcher = elementMatchers[j++]) ) {
|
| 1813 |
if ( matcher( elem, context, xml ) ) {
|
| 1814 |
results.push( elem ); |
| 1815 |
break;
|
| 1816 |
} |
| 1817 |
} |
| 1818 |
if ( outermost ) {
|
| 1819 |
dirruns = dirrunsUnique; |
| 1820 |
} |
| 1821 |
} |
| 1822 |
|
| 1823 |
// Track unmatched elements for set filters
|
| 1824 |
if ( bySet ) {
|
| 1825 |
// They will have gone through all possible matchers
|
| 1826 |
if ( (elem = !matcher && elem) ) {
|
| 1827 |
matchedCount--; |
| 1828 |
} |
| 1829 |
|
| 1830 |
// Lengthen the array for every element, matched or not
|
| 1831 |
if ( seed ) {
|
| 1832 |
unmatched.push( elem ); |
| 1833 |
} |
| 1834 |
} |
| 1835 |
} |
| 1836 |
|
| 1837 |
// Apply set filters to unmatched elements
|
| 1838 |
matchedCount += i; |
| 1839 |
if ( bySet && i !== matchedCount ) {
|
| 1840 |
j = 0;
|
| 1841 |
while ( (matcher = setMatchers[j++]) ) {
|
| 1842 |
matcher( unmatched, setMatched, context, xml ); |
| 1843 |
} |
| 1844 |
|
| 1845 |
if ( seed ) {
|
| 1846 |
// Reintegrate element matches to eliminate the need for sorting
|
| 1847 |
if ( matchedCount > 0 ) { |
| 1848 |
while ( i-- ) {
|
| 1849 |
if ( !(unmatched[i] || setMatched[i]) ) {
|
| 1850 |
setMatched[i] = pop.call( results ); |
| 1851 |
} |
| 1852 |
} |
| 1853 |
} |
| 1854 |
|
| 1855 |
// Discard index placeholder values to get only actual matches
|
| 1856 |
setMatched = condense( setMatched ); |
| 1857 |
} |
| 1858 |
|
| 1859 |
// Add matches to results
|
| 1860 |
push.apply( results, setMatched ); |
| 1861 |
|
| 1862 |
// Seedless set matches succeeding multiple successful matchers stipulate sorting
|
| 1863 |
if ( outermost && !seed && setMatched.length > 0 && |
| 1864 |
( matchedCount + setMatchers.length ) > 1 ) {
|
| 1865 |
|
| 1866 |
Sizzle.uniqueSort( results ); |
| 1867 |
} |
| 1868 |
} |
| 1869 |
|
| 1870 |
// Override manipulation of globals by nested matchers
|
| 1871 |
if ( outermost ) {
|
| 1872 |
dirruns = dirrunsUnique; |
| 1873 |
outermostContext = contextBackup; |
| 1874 |
} |
| 1875 |
|
| 1876 |
return unmatched;
|
| 1877 |
}; |
| 1878 |
|
| 1879 |
return bySet ?
|
| 1880 |
markFunction( superMatcher ) : |
| 1881 |
superMatcher; |
| 1882 |
} |
| 1883 |
|
| 1884 |
compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) { |
| 1885 |
var i,
|
| 1886 |
setMatchers = [], |
| 1887 |
elementMatchers = [], |
| 1888 |
cached = compilerCache[ selector + " " ];
|
| 1889 |
|
| 1890 |
if ( !cached ) {
|
| 1891 |
// Generate a function of recursive functions that can be used to check each element
|
| 1892 |
if ( !match ) {
|
| 1893 |
match = tokenize( selector ); |
| 1894 |
} |
| 1895 |
i = match.length; |
| 1896 |
while ( i-- ) {
|
| 1897 |
cached = matcherFromTokens( match[i] ); |
| 1898 |
if ( cached[ expando ] ) {
|
| 1899 |
setMatchers.push( cached ); |
| 1900 |
} else {
|
| 1901 |
elementMatchers.push( cached ); |
| 1902 |
} |
| 1903 |
} |
| 1904 |
|
| 1905 |
// Cache the compiled function
|
| 1906 |
cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) ); |
| 1907 |
|
| 1908 |
// Save selector and tokenization
|
| 1909 |
cached.selector = selector; |
| 1910 |
} |
| 1911 |
return cached;
|
| 1912 |
}; |
| 1913 |
|
| 1914 |
/**
|
| 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
|
| 1922 |
*/
|
| 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) ); |
| 1927 |
|
| 1928 |
results = results || []; |
| 1929 |
|
| 1930 |
// Try to minimize operations if there is no seed and only one group
|
| 1931 |
if ( match.length === 1 ) { |
| 1932 |
|
| 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 ] ) {
|
| 1938 |
|
| 1939 |
context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0]; |
| 1940 |
if ( !context ) {
|
| 1941 |
return results;
|
| 1942 |
|
| 1943 |
// Precompiled matchers will still verify ancestry, so step up a level
|
| 1944 |
} else if ( compiled ) { |
| 1945 |
context = context.parentNode; |
| 1946 |
} |
| 1947 |
|
| 1948 |
selector = selector.slice( tokens.shift().value.length ); |
| 1949 |
} |
| 1950 |
|
| 1951 |
// Fetch a seed set for right-to-left matching
|
| 1952 |
i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length; |
| 1953 |
while ( i-- ) {
|
| 1954 |
token = tokens[i]; |
| 1955 |
|
| 1956 |
// Abort if we hit a combinator
|
| 1957 |
if ( Expr.relative[ (type = token.type) ] ) {
|
| 1958 |
break;
|
| 1959 |
} |
| 1960 |
if ( (find = Expr.find[ type ]) ) {
|
| 1961 |
// Search, expanding context for leading sibling combinators
|
| 1962 |
if ( (seed = find(
|
| 1963 |
token.matches[0].replace( runescape, funescape ),
|
| 1964 |
rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
|
| 1965 |
)) ) {
|
| 1966 |
|
| 1967 |
// If seed is empty or no tokens remain, we can return early
|
| 1968 |
tokens.splice( i, 1 );
|
| 1969 |
selector = seed.length && toSelector( tokens ); |
| 1970 |
if ( !selector ) {
|
| 1971 |
push.apply( results, seed ); |
| 1972 |
return results;
|
| 1973 |
} |
| 1974 |
|
| 1975 |
break;
|
| 1976 |
} |
| 1977 |
} |
| 1978 |
} |
| 1979 |
} |
| 1980 |
|
| 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 ) )( |
| 1984 |
seed, |
| 1985 |
context, |
| 1986 |
!documentIsHTML, |
| 1987 |
results, |
| 1988 |
rsibling.test( selector ) && testContext( context.parentNode ) || context |
| 1989 |
); |
| 1990 |
return results;
|
| 1991 |
}; |
| 1992 |
|
| 1993 |
// One-time assignments
|
| 1994 |
|
| 1995 |
// Sort stability
|
| 1996 |
support.sortStable = expando.split("").sort( sortOrder ).join("") === expando; |
| 1997 |
|
| 1998 |
// Support: Chrome 14-35+
|
| 1999 |
// Always assume duplicates if they aren't passed to the comparison function
|
| 2000 |
support.detectDuplicates = !!hasDuplicate; |
| 2001 |
|
| 2002 |
// Initialize against the default document
|
| 2003 |
setDocument(); |
| 2004 |
|
| 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; |
| 2010 |
}); |
| 2011 |
|
| 2012 |
// Support: IE<8
|
| 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") === "#" ; |
| 2018 |
}) ) {
|
| 2019 |
addHandle( "type|href|height|width", function( elem, name, isXML ) { |
| 2020 |
if ( !isXML ) {
|
| 2021 |
return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 ); |
| 2022 |
} |
| 2023 |
}); |
| 2024 |
} |
| 2025 |
|
| 2026 |
// Support: IE<9
|
| 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" ) === ""; |
| 2032 |
}) ) {
|
| 2033 |
addHandle( "value", function( elem, name, isXML ) { |
| 2034 |
if ( !isXML && elem.nodeName.toLowerCase() === "input" ) { |
| 2035 |
return elem.defaultValue;
|
| 2036 |
} |
| 2037 |
}); |
| 2038 |
} |
| 2039 |
|
| 2040 |
// Support: IE<9
|
| 2041 |
// Use getAttributeNode to fetch booleans when getAttribute lies
|
| 2042 |
if ( !assert(function( div ) { |
| 2043 |
return div.getAttribute("disabled") == null; |
| 2044 |
}) ) {
|
| 2045 |
addHandle( booleans, function( elem, name, isXML ) {
|
| 2046 |
var val;
|
| 2047 |
if ( !isXML ) {
|
| 2048 |
return elem[ name ] === true ? name.toLowerCase() : |
| 2049 |
(val = elem.getAttributeNode( name )) && val.specified ? |
| 2050 |
val.value : |
| 2051 |
null;
|
| 2052 |
} |
| 2053 |
}); |
| 2054 |
} |
| 2055 |
|
| 2056 |
// EXPOSE
|
| 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; |
| 2062 |
} else {
|
| 2063 |
window.Sizzle = Sizzle; |
| 2064 |
} |
| 2065 |
// EXPOSE
|
| 2066 |
|
| 2067 |
})( window ); |