+
+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])",
// The regular expressions that power the parsing engine
parse: [
// Match: [@value='test'], [@foo]
- /^\[ *(@)([\w-]+) *([!*$^=]*) *('?"?)(.*?)\4 *\]/,
+ /^\[ *(@)([\w-]+) *([!*$^~=]*) *('?"?)(.*?)\4 *\]/,
// Match: [div], [div p]
/^(\[)\s*(.*?(\[.*?\])?[^[]*?)\s*\]/,
/^(:)([\w-]+)\("?'?(.*?(\(.*?\))?[^(]*?)"?'?\)/,
// Match: :even, :last-chlid, #id, .class
- new RegExp("^([:.#]*)(" +
- ( jQuery.chars = "(?:[\\w\u0128-\uFFFF*_-]|\\\\.)" ) + "+)")
+ new RegExp("^([:.#]*)(" + chars + "+)")
],
multiFilter: function( expr, elems, not ) {
// Handle the common XPath // expression
if ( !t.indexOf("//") ) {
- context = context.documentElement;
+ //context = context.documentElement;
t = t.substr(2,t.length);
// And the / root expression
// 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 = [];
if ( n.nodeType == 1 ) {
if ( m == "~" && n.mergeNum == mergeNum ) break;
- if (!nodeName || n.nodeName == nodeName.toUpperCase() ) {
+ if (!nodeName || n.nodeName.toUpperCase() == nodeName.toUpperCase() ) {
if ( m == "~" ) n.mergeNum = mergeNum;
r.push( n );
}
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]);
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 );
}
var add = false;
if ( first == 1 ) {
- if ( node.nodeIndex == last )
+ if ( last == 0 || node.nodeIndex == last )
add = true;
} else if ( (node.nodeIndex + last) % first == 0 )
add = true;