+
+var chars = jQuery.browser.safari && parseInt(jQuery.browser.version) < 417 ?
+ "(?:[\\w*_-]|\\\\.)" :
+ "(?:[\\w\u0128-\uFFFF*_-]|\\\\.)",
+ quickChild = new RegExp("^>\\s*(" + chars + "+)"),
+ quickID = new RegExp("^(" + chars + "+)(#)(" + chars + "+)"),
+ quickClass = new RegExp("^([#.]?)(" + chars + "*)");
+
jQuery.extend({
expr: {
"": "m[2]=='*'||jQuery.nodeName(a,m[2])",
image: "'image'==a.type",
reset: "'reset'==a.type",
button: '"button"==a.type||jQuery.nodeName(a,"button")',
- input: "/input|select|textarea|button/i.test(a.nodeName)"
- },
- "[": "jQuery.find(m[2],a).length"
+ input: "/input|select|textarea|button/i.test(a.nodeName)",
+
+ // :has()
+ has: "jQuery.find(m[3],a).length",
+
+ // :header
+ header: "/h\\d/i.test(a.nodeName)",
+
+ // :animated
+ animated: "jQuery.grep(jQuery.timers,function(fn){return a==fn.elem;}).length"
+ }
},
// The regular expressions that power the parsing engine
parse: [
// Match: [@value='test'], [@foo]
- /^\[ *(@)([\w-]+) *([!*$^=]*) *('?"?)(.*?)\4 *\]/,
-
- // Match: [div], [div p]
- /^(\[)\s*(.*?(\[.*?\])?[^[]*?)\s*\]/,
+ /^(\[) *@?([\w-]+) *([!*$^~=]*) *('?"?)(.*?)\4 *\]/,
// Match: :contains('foo')
/^(:)([\w-]+)\("?'?(.*?(\(.*?\))?[^(]*?)"?'?\)/,
// Match: :even, :last-chlid, #id, .class
- new RegExp("^([:.#]*)(" +
- ( jQuery.chars = "(?:[\\w\u0128-\uFFFF*_-]|\\\\.)" ) + "+)")
+ new RegExp("^([:.#]*)(" + chars + "+)")
],
multiFilter: function( expr, elems, not ) {
return cur;
},
- /**
- * @name $.find
- * @type Array<Element>
- * @private
- * @cat Core
- */
find: function( t, context ) {
// Quickly handle non-string expressions
if ( typeof t != "string" )
// Set the correct context (if none is provided)
context = context || document;
- // Handle the common XPath // expression
- if ( !t.indexOf("//") ) {
- context = context.documentElement;
- t = t.substr(2,t.length);
-
- // And the / root expression
- } else if ( !t.indexOf("/") && !context.ownerDocument ) {
- context = context.documentElement;
- t = t.substr(1,t.length);
- if ( t.indexOf("/") >= 1 )
- t = t.substr(t.indexOf("/"),t.length);
- }
-
// Initialize the search
var ret = [context], done = [], last;
var r = [];
last = t;
- t = jQuery.trim(t).replace( /^\/\//, "" );
+ t = jQuery.trim(t);
var foundToken = false;
// An attempt at speeding up child selectors that
// point to a specific element tag
- var re = new RegExp("^[/>]\\s*(" + jQuery.chars + "+)");
+ var re = quickChild;
var m = re.exec(t);
if ( m ) {
// Perform our own iteration and filter
for ( var i = 0; ret[i]; i++ )
for ( var c = ret[i].firstChild; c; c = c.nextSibling )
- if ( c.nodeType == 1 && (nodeName == "*" || c.nodeName == nodeName.toUpperCase()) )
+ if ( c.nodeType == 1 && (nodeName == "*" || c.nodeName.toUpperCase() == nodeName.toUpperCase()) )
r.push( c );
ret = r;
if ( t.indexOf(" ") == 0 ) continue;
foundToken = true;
} else {
- re = /^((\/?\.\.)|([>\/+~]))\s*([a-z]*)/i;
+ re = /^([>+~])\s*(\w*)/i;
if ( (m = re.exec(t)) != null ) {
r = [];
- var nodeName = m[4], mergeNum = jQuery.mergeNum++;
+ var nodeName = m[2], mergeNum = jQuery.mergeNum++;
m = m[1];
- for ( var j = 0, rl = ret.length; j < rl; j++ )
- if ( m.indexOf("..") < 0 ) {
- var n = m == "~" || m == "+" ? ret[j].nextSibling : ret[j].firstChild;
- for ( ; n; n = n.nextSibling )
- if ( n.nodeType == 1 ) {
- if ( m == "~" && n.mergeNum == mergeNum ) break;
-
- if (!nodeName || n.nodeName == nodeName.toUpperCase() ) {
- if ( m == "~" ) n.mergeNum = mergeNum;
- r.push( n );
- }
-
- if ( m == "+" ) break;
+ for ( var j = 0, rl = ret.length; j < rl; j++ ) {
+ var n = m == "~" || m == "+" ? ret[j].nextSibling : ret[j].firstChild;
+ for ( ; n; n = n.nextSibling )
+ if ( n.nodeType == 1 ) {
+ if ( m == "~" && n.mergeNum == mergeNum ) break;
+
+ if (!nodeName || n.nodeName.toUpperCase() == nodeName.toUpperCase() ) {
+ if ( m == "~" ) n.mergeNum = mergeNum;
+ r.push( n );
}
- } else
- r.push( ret[j].parentNode );
+
+ if ( m == "+" ) break;
+ }
+ }
ret = r;
t = " " + t.substr(1,t.length);
} else {
- // Optomize for the case nodeName#idName
- var re2 = new RegExp("^(" + jQuery.chars + "+)(#)(" + jQuery.chars + "+)");
+ // Optimize for the case nodeName#idName
+ var re2 = quickID;
var m = re2.exec(t);
// Re-organize the results, so that they're consistent
} else {
// Otherwise, do a traditional filter check for
// ID, class, and element selectors
- re2 = new RegExp("^([#.]?)(" + jQuery.chars + "*)");
+ re2 = quickClass;
m = re2.exec(t);
}
var elem = ret[ret.length-1];
// Try to do a global search by ID, where we can
- if ( m[1] == "#" && elem && elem.getElementById ) {
+ if ( m[1] == "#" && elem && elem.getElementById && !jQuery.isXMLDoc(elem) ) {
// Optimization for HTML document case
var oid = elem.getElementById(m[2]);
// We need to find all descendant elements
for ( var i = 0; ret[i]; i++ ) {
// Grab the tag name being searched for
- var tag = m[1] != "" || m[0] == "" ? "*" : m[2];
+ var tag = m[1] == "#" && m[3] ? m[3] : m[1] != "" || m[0] == "" ? "*" : m[2];
// Handle IE7 being really dumb about <object>s
if ( tag == "*" && ret[i].nodeName.toLowerCase() == "object" )
else if ( m[1] == "." )
r = jQuery.classFilter(r, m[2], not);
- else if ( m[1] == "@" ) {
+ else if ( m[1] == "[" ) {
var tmp = [], type = m[3];
for ( var i = 0, rl = r.length; i < rl; i++ ) {
var a = r[i], z = a[ jQuery.props[m[2]] || m[2] ];
- if ( z == null || /href|src/.test(m[2]) )
- z = jQuery.attr(a,m[2]);
+ if ( z == null || /href|src|selected/.test(m[2]) )
+ z = jQuery.attr(a,m[2]) || '';
if ( (type == "" && !!z ||
type == "=" && z == m[5] ||
type == "!=" && z != m[5] ||
type == "^=" && z && !z.indexOf(m[5]) ||
type == "$=" && z.substr(z.length - m[5].length) == m[5] ||
- type == "*=" && z.indexOf(m[5]) >= 0) ^ not )
+ (type == "*=" || type == "~=") && z.indexOf(m[5]) >= 0) ^ not )
tmp.push( a );
}
f = jQuery.expr[m[1]][m[2]];
// Build a custom macro to enclose it
- eval("f = function(a,i){return " + f + "}");
+ f = eval("false||function(a,i){return " + f + "}");
// Execute it against the current filter
r = jQuery.grep( r, f, not );
return { r: r, t: t };
},
- /**
- * All ancestors of a given element.
- *
- * @private
- * @name $.parents
- * @type Array<Element>
- * @param Element elem The element to find the ancestors of.
- * @cat DOM/Traversing
- */
parents: function( elem ){
var matched = [];
var cur = elem.parentNode;
return matched;
},
- /**
- * A handy, and fast, way to traverse in a particular direction and find
- * a specific element.
- *
- * @private
- * @name $.nth
- * @type DOMElement
- * @param DOMElement cur The element to search from.
- * @param String|Number num The Nth result to match. Can be a number or a string (like 'even' or 'odd').
- * @param String dir The direction to move in (pass in something like 'previousSibling' or 'nextSibling').
- * @cat DOM/Traversing
- */
nth: function(cur,result,dir,elem){
result = result || 1;
var num = 0;
return cur;
},
- /**
- * All elements on a specified axis.
- *
- * @private
- * @name $.sibling
- * @type Array
- * @param Element elem The element to find all the siblings of (including itself).
- * @cat DOM/Traversing
- */
sibling: function( n, elem ) {
var r = [];