+
+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]== '*'||a.nodeName.toUpperCase()==m[2].toUpperCase()",
+ "": "m[2]=='*'||jQuery.nodeName(a,m[2])",
"#": "a.getAttribute('id')==m[2]",
":": {
// Position Checks
odd: "i%2",
// Child Checks
- "nth-child": "jQuery.nth(a.parentNode.firstChild,m[3],'nextSibling')==a",
- "first-child": "jQuery.nth(a.parentNode.firstChild,1,'nextSibling')==a",
+ "first-child": "a.parentNode.getElementsByTagName('*')[0]==a",
"last-child": "jQuery.nth(a.parentNode.lastChild,1,'previousSibling')==a",
- "only-child": "jQuery.sibling(a.parentNode.firstChild).length==1",
+ "only-child": "!jQuery.nth(a.parentNode.lastChild,2,'previousSibling')",
// Parent Checks
parent: "a.firstChild",
empty: "!a.firstChild",
// Text Check
- contains: "jQuery.fn.text.apply([a]).indexOf(m[3])>=0",
+ contains: "(a.textContent||a.innerText||'').indexOf(m[3])>=0",
// Visibility
- visible: "a.type!='hidden'&&jQuery.css(a,'display')!='none'&&jQuery.css(a,'visibility')!='hidden'",
- hidden: "a.type=='hidden'||jQuery.css(a,'display')=='none'||jQuery.css(a,'visibility')=='hidden'",
+ visible: '"hidden"!=a.type&&jQuery.css(a,"display")!="none"&&jQuery.css(a,"visibility")!="hidden"',
+ hidden: '"hidden"==a.type||jQuery.css(a,"display")=="none"||jQuery.css(a,"visibility")=="hidden"',
// Form attributes
enabled: "!a.disabled",
disabled: "a.disabled",
checked: "a.checked",
- selected: "a.selected || jQuery.attr(a, 'selected')",
+ selected: "a.selected||jQuery.attr(a,'selected')",
// Form elements
- text: "a.type=='text'",
- radio: "a.type=='radio'",
- checkbox: "a.type=='checkbox'",
- file: "a.type=='file'",
- password: "a.type=='password'",
- submit: "a.type=='submit'",
- image: "a.type=='image'",
- reset: "a.type=='reset'",
- button: "a.type=='button'||a.nodeName=='BUTTON'",
- input: "/input|select|textarea|button/i.test(a.nodeName)"
- },
- ".": "jQuery.className.has(a,m[2])",
- "@": {
- "=": "z==m[4]",
- "!=": "z!=m[4]",
- "^=": "z && !z.indexOf(m[4])",
- "$=": "z && z.substr(z.length - m[4].length,m[4].length)==m[4]",
- "*=": "z && z.indexOf(m[4])>=0",
- "": "z",
- _resort: function(m){
- return ["", m[1], m[3], m[2], m[5]];
- },
- _prefix: "z=a[m[3]]||jQuery.attr(a,m[3]);"
+ text: "'text'==a.type",
+ radio: "'radio'==a.type",
+ checkbox: "'checkbox'==a.type",
+ file: "'file'==a.type",
+ password: "'password'==a.type",
+ submit: "'submit'==a.type",
+ image: "'image'==a.type",
+ reset: "'reset'==a.type",
+ button: '"button"==a.type||jQuery.nodeName(a,"button")',
+ input: "/input|select|textarea|button/i.test(a.nodeName)",
+
+ // :has()
+ has: "jQuery.find(m[3],a).length"
},
+ // DEPRECATED
"[": "jQuery.find(m[2],a).length"
},
// The regular expressions that power the parsing engine
parse: [
// Match: [@value='test'], [@foo]
- "\\[ *(@)S *([!*$^=]*) *('?\"?)(.*?)\\4 *\\]",
+ /^\[ *(@)([\w-]+) *([!*$^~=]*) *('?"?)(.*?)\4 *\]/,
+ // DEPRECATED
// Match: [div], [div p]
- "(\\[)\\s*(.*?(\\[.*?\\])?[^[]*?)\\s*\\]",
+ /^(\[)\s*(.*?(\[.*?\])?[^[]*?)\s*\]/,
// Match: :contains('foo')
- "(:)S\\(\"?'?(.*?(\\(.*?\\))?[^(]*?)\"?'?\\)",
-
- // Match: :even, :last-chlid
- "([:.#]*)S"
- ],
+ /^(:)([\w-]+)\("?'?(.*?(\(.*?\))?[^(]*?)"?'?\)/,
- token: [
- "\\.\\.|/\\.\\.", "a.parentNode",
- ">|/", "jQuery.sibling(a.firstChild)",
- "\\+", "jQuery.nth(a,2,'nextSibling')",
- "~", function(a){
- var s = jQuery.sibling(a.parentNode.firstChild);
- return s.slice(0, jQuery.inArray(a,s));
- }
+ // Match: :even, :last-chlid, #id, .class
+ new RegExp("^([:.#]*)(" + chars + "+)")
],
multiFilter: function( expr, elems, not ) {
// Set the correct context (if none is provided)
context = context || document;
+ // DEPRECATED
// Handle the common XPath // expression
if ( !t.indexOf("//") ) {
- context = context.documentElement;
+ //context = context.documentElement;
t = t.substr(2,t.length);
+ // DEPRECATED
// And the / root expression
- } else if ( !t.indexOf("/") ) {
+ } else if ( !t.indexOf("/") && !context.ownerDocument ) {
context = context.documentElement;
t = t.substr(1,t.length);
if ( t.indexOf("/") >= 1 )
}
// Initialize the search
- var ret = [context], done = [], last = null;
+ var ret = [context], done = [], last;
// Continue while a selector expression exists, and while
// we're no longer looping upon ourselves
var r = [];
last = t;
- t = jQuery.trim(t).replace( /^\/\//i, "" );
+ // DEPRECATED
+ t = jQuery.trim(t).replace( /^\/\//, "" );
var foundToken = false;
// An attempt at speeding up child selectors that
// point to a specific element tag
- var re = /^[\/>]\s*([a-z0-9*-]+)/i;
+ var re = quickChild;
var m = re.exec(t);
if ( m ) {
+ var nodeName = m[1].toUpperCase();
+
// Perform our own iteration and filter
- for ( var i = 0, rl = ret.length; i < rl; i++ )
+ for ( var i = 0; ret[i]; i++ )
for ( var c = ret[i].firstChild; c; c = c.nextSibling )
- if ( c.nodeType == 1 && ( c.nodeName == m[1].toUpperCase() || m[1] == "*" ) )
+ if ( c.nodeType == 1 && (nodeName == "*" || c.nodeName.toUpperCase() == nodeName.toUpperCase()) )
r.push( c );
ret = r;
- t = jQuery.trim( t.replace( re, "" ) );
+ t = t.replace( re, "" );
+ if ( t.indexOf(" ") == 0 ) continue;
foundToken = true;
} else {
- // Look for pre-defined expression tokens
- for ( var i = 0; i < jQuery.token.length; i += 2 ) {
- // Attempt to match each, individual, token in
- // the specified order
- var re = new RegExp("^(" + jQuery.token[i] + ")");
- var m = re.exec(t);
-
- // If the token match was found
- if ( m ) {
- // Map it against the token's handler
- r = ret = jQuery.map( ret, jQuery.token[i+1].constructor == Function ?
- jQuery.token[i+1] :
- function(a){ return eval(jQuery.token[i+1]); });
-
- // And remove the token
- t = jQuery.trim( t.replace( re, "" ) );
- foundToken = true;
- break;
- }
+ // (.. and /) DEPRECATED
+ re = /^((\/?\.\.)|([>\/+~]))\s*(\w*)/i;
+
+ if ( (m = re.exec(t)) != null ) {
+ r = [];
+
+ var nodeName = m[4], 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.toUpperCase() == nodeName.toUpperCase() ) {
+ if ( m == "~" ) n.mergeNum = mergeNum;
+ r.push( n );
+ }
+
+ if ( m == "+" ) break;
+ }
+ // DEPRECATED
+ } else
+ r.push( ret[j].parentNode );
+
+ ret = r;
+
+ // And remove the token
+ t = jQuery.trim( t.replace( re, "" ) );
+ foundToken = true;
}
}
// Handle multiple expressions
if ( !t.indexOf(",") ) {
// Clean the result set
- if ( ret[0] == context ) ret.shift();
+ if ( context == ret[0] ) ret.shift();
// Merge the result sets
- jQuery.merge( done, ret );
+ done = jQuery.merge( done, ret );
// Reset the context
r = ret = [context];
t = " " + t.substr(1,t.length);
} else {
- // Optomize for the case nodeName#idName
- var re2 = /^([a-z0-9_-]+)(#)([a-z0-9\\*_-]*)/i;
+ // 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 = /^([#.]?)([a-z0-9\\*_-]*)/i;
+ re2 = quickClass;
m = re2.exec(t);
}
+ m[2] = m[2].replace(/\\/g, "");
+
+ var elem = ret[ret.length-1];
+
// Try to do a global search by ID, where we can
- if ( m[1] == "#" && ret[ret.length-1].getElementById ) {
+ if ( m[1] == "#" && elem && elem.getElementById && !jQuery.isXMLDoc(elem) ) {
// Optimization for HTML document case
- var oid = ret[ret.length-1].getElementById(m[2]);
+ var oid = elem.getElementById(m[2]);
+
+ // Do a quick check for the existence of the actual ID attribute
+ // to avoid selecting by the name attribute in IE
+ // also check to insure id is a string to avoid selecting an element with the name of 'id' inside a form
+ if ( (jQuery.browser.msie||jQuery.browser.opera) && oid && typeof oid.id == "string" && oid.id != m[2] )
+ oid = jQuery('[@id="'+m[2]+'"]', elem)[0];
// Do a quick check for node name (where applicable) so
// that div#foo searches will be really fast
- ret = r = oid &&
- (!m[3] || oid.nodeName == m[3].toUpperCase()) ? [oid] : [];
-
+ ret = r = oid && (!m[3] || jQuery.nodeName(oid, m[3])) ? [oid] : [];
} else {
- // Pre-compile a regular expression to handle class searches
- if ( m[1] == "." )
- var rec = new RegExp("(^|\\s)" + m[2] + "(\\s|$)");
-
- // We need to find all descendant elements, it is more
- // efficient to use getAll() when we are already further down
- // the tree - we try to recognize that here
- for ( var i = 0, rl = ret.length; i < rl; i++ )
- jQuery.merge( r,
- m[1] != "" && ret.length != 1 ?
- jQuery.getAll( ret[i], [], m[1], m[2], rec ) :
- ret[i].getElementsByTagName( m[1] != "" || m[0] == "" ? "*" : 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];
+
+ // Handle IE7 being really dumb about <object>s
+ if ( tag == "*" && ret[i].nodeName.toLowerCase() == "object" )
+ tag = "param";
+
+ r = jQuery.merge( r, ret[i].getElementsByTagName( tag ));
+ }
// It's faster to filter by class and be done with it
- if ( m[1] == "." && ret.length == 1 )
- r = jQuery.grep( r, function(e) {
- return rec.test(e.className);
- });
+ if ( m[1] == "." )
+ r = jQuery.classFilter( r, m[2] );
// Same with ID filtering
- if ( m[1] == "#" && ret.length == 1 ) {
- // Remember, then wipe out, the result set
- var tmp = r;
- r = [];
-
- // Then try to find the element with the ID
- for ( var i = 0, tl = tmp.length; i < tl; i++ )
- if ( tmp[i].getAttribute("id") == m[2] ) {
- r = [ tmp[i] ];
+ if ( m[1] == "#" ) {
+ var tmp = [];
+
+ // Try to find the element with the ID
+ for ( var i = 0; r[i]; i++ )
+ if ( r[i].getAttribute("id") == m[2] ) {
+ tmp = [ r[i] ];
break;
}
+
+ r = tmp;
}
ret = r;
}
}
+ // An error occurred with the selector;
+ // just return an empty set instead
+ if ( t )
+ ret = [];
+
// Remove the root context
- if ( ret && ret[0] == context ) ret.shift();
+ if ( ret && context == ret[0] )
+ ret.shift();
// And combine the results
- jQuery.merge( done, ret );
+ done = jQuery.merge( done, ret );
return done;
},
+ classFilter: function(r,m,not){
+ m = " " + m + " ";
+ var tmp = [];
+ for ( var i = 0; r[i]; i++ ) {
+ var pass = (" " + r[i].className + " ").indexOf( m ) >= 0;
+ if ( !not && pass || not && !pass )
+ tmp.push( r[i] );
+ }
+ return tmp;
+ },
+
filter: function(t,r,not) {
- // Look for common filter expressions
- while ( t && /^[a-z[({<*:.#]/i.test(t) ) {
+ var last;
- var p = jQuery.parse;
+ // Look for common filter expressions
+ while ( t && t != last ) {
+ last = t;
- for ( var i = 0, pl = p.length; i < pl; i++ ) {
-
- // Look for, and replace, string-like sequences
- // and finally build a regexp out of it
- var re = new RegExp(
- "^" + p[i].replace("S", "([a-z*_-][a-z0-9_-]*)"), "i" );
+ var p = jQuery.parse, m;
- var m = re.exec( t );
+ for ( var i = 0; p[i]; i++ ) {
+ m = p[i].exec( t );
if ( m ) {
- // Re-organize the first match
- if ( jQuery.expr[ m[1] ]._resort )
- m = jQuery.expr[ m[1] ]._resort( m );
-
// Remove what we just matched
- t = t.replace( re, "" );
+ t = t.substring( m[0].length );
+ m[2] = m[2].replace(/\\/g, "");
break;
}
}
+ if ( !m )
+ break;
+
// :not() is a special case that can be optimized by
// keeping it out of the expression list
if ( m[1] == ":" && m[2] == "not" )
r = jQuery.filter(m[3], r, true).r;
- // Handle classes as a special case (this will help to
- // improve the speed, as the regexp will only be compiled once)
- else if ( m[1] == "." ) {
+ // We can get a big speed boost by filtering by class here
+ else if ( m[1] == "." )
+ r = jQuery.classFilter(r, m[2], not);
+
+ 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|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 == "*=" || type == "~=") && z.indexOf(m[5]) >= 0) ^ not )
+ tmp.push( a );
+ }
+
+ r = tmp;
+
+ // We can get a speed boost by handling nth-child here
+ } else if ( m[1] == ":" && m[2] == "nth-child" ) {
+ var num = jQuery.mergeNum++, tmp = [],
+ test = /(\d*)n\+?(\d*)/.exec(
+ m[3] == "even" && "2n" || m[3] == "odd" && "2n+1" ||
+ !/\D/.test(m[3]) && "n+" + m[3] || m[3]),
+ first = (test[1] || 1) - 0, last = test[2] - 0;
+
+ for ( var i = 0, rl = r.length; i < rl; i++ ) {
+ var node = r[i], parentNode = node.parentNode;
+
+ if ( num != parentNode.mergeNum ) {
+ var c = 1;
+
+ for ( var n = parentNode.firstChild; n; n = n.nextSibling )
+ if ( n.nodeType == 1 )
+ n.nodeIndex = c++;
+
+ parentNode.mergeNum = num;
+ }
+
+ var add = false;
+
+ if ( first == 1 ) {
+ if ( last == 0 || node.nodeIndex == last )
+ add = true;
+ } else if ( (node.nodeIndex + last) % first == 0 )
+ add = true;
- var re = new RegExp("(^|\\s)" + m[2] + "(\\s|$)");
- r = jQuery.grep( r, function(e){
- return re.test(e.className || '');
- }, not);
+ if ( add ^ not )
+ tmp.push( node );
+ }
+
+ r = tmp;
// Otherwise, find the expression to execute
} else {
f = jQuery.expr[m[1]][m[2]];
// Build a custom macro to enclose it
- eval("f = function(a,i){" +
- ( jQuery.expr[ m[1] ]._prefix || "" ) +
- "return " + f + "}");
+ f = eval("false||function(a,i){return " + f + "}");
// Execute it against the current filter
r = jQuery.grep( r, f, not );
// and the modified expression string (t)
return { r: r, t: t };
},
-
- getAll: function( o, r, token, name, re ) {
- for ( var s = o.firstChild; s; s = s.nextSibling )
- if ( s.nodeType == 1 ) {
- var add = true;
-
- if ( token == "." )
- add = s.className && re.test(s.className);
- else if ( token == "#" )
- add = s.getAttribute('id') == name;
-
- if ( add )
- r.push( s );
-
- if ( token == "#" && r.length ) break;
-
- if ( s.firstChild )
- jQuery.getAll( s, r, token, name, re );
- }
-
- return r;
- },
/**
* All ancestors of a given element.
* @name $.nth
* @type DOMElement
* @param DOMElement cur The element to search from.
- * @param Number|String num The Nth result to match. Can be a number or a string (like 'even' or 'odd').
+ * @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){
+ nth: function(cur,result,dir,elem){
result = result || 1;
var num = 0;
- for ( ; cur; cur = cur[dir] ) {
- if ( cur.nodeType == 1 ) num++;
- if ( num == result || result == "even" && num % 2 == 0 && num > 1 ||
- result == "odd" && num % 2 == 1 ) return cur;
- }
+
+ for ( ; cur; cur = cur[dir] )
+ if ( cur.nodeType == 1 && ++num == result )
+ break;
+
+ return cur;
},
/**