+
+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])",
odd: "i%2",
// Child Checks
- "nth-child": "jQuery.nth(a.parentNode.firstChild,m[3],'nextSibling',a)==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",
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"||jQuery.nodeName(a,"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]];if(!z||/href|src/.test(m[3]))z=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",
+
+ // :header
+ header: "/h\\d/i.test(a.nodeName)"
},
+ // DEPRECATED
"[": "jQuery.find(m[2],a).length"
},
// The regular expressions that power the parsing engine
parse: [
// Match: [@value='test'], [@foo]
- /^\[ *(@)([\w-]+) *([!*$^=]*) *('?"?)(.*?)\4 *\]/i,
+ /^\[ *(@)([\w-]+) *([!*$^~=]*) *('?"?)(.*?)\4 *\]/,
+ // DEPRECATED
// Match: [div], [div p]
/^(\[)\s*(.*?(\[.*?\])?[^[]*?)\s*\]/,
// Match: :contains('foo')
- /^(:)([\w-]+)\("?'?(.*?(\(.*?\))?[^(]*?)"?'?\)/i,
+ /^(:)([\w-]+)\("?'?(.*?(\(.*?\))?[^(]*?)"?'?\)/,
// Match: :even, :last-chlid, #id, .class
- /^([:.#]*)([\w\u0128-\uFFFF*-]+)/i
- ],
-
- token: [
- /^(\/?\.\.)/, "a.parentNode",
- /^(>|\/)/, "jQuery.sibling(a.firstChild)",
- /^(\+)/, "jQuery.nth(a,2,'nextSibling')",
- /^(~)/, function(a){
- var s = jQuery.sibling(a.parentNode.firstChild);
- return s.slice(jQuery.inArray(a,s) + 1);
- }
+ 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("/") && !context.ownerDocument ) {
context = context.documentElement;
var r = [];
last = t;
+ // 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*([\w*-]+)/i;
+ var re = quickChild;
var m = re.exec(t);
if ( m ) {
+ var nodeName = m[1].toUpperCase();
+
// Perform our own iteration and filter
- jQuery.each( ret, function(){
- for ( var c = this.firstChild; c; c = c.nextSibling )
- if ( c.nodeType == 1 && ( jQuery.nodeName(c, m[1]) || m[1] == "*" ) )
+ for ( var i = 0; ret[i]; i++ )
+ for ( var c = ret[i].firstChild; c; c = c.nextSibling )
+ if ( c.nodeType == 1 && (nodeName == "*" || c.nodeName.toUpperCase() == nodeName.toUpperCase()) )
r.push( c );
- });
ret = r;
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 = 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.isFunction( jQuery.token[i+1] ) ?
- 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
done = jQuery.merge( done, ret );
t = " " + t.substr(1,t.length);
} else {
- // Optomize for the case nodeName#idName
- var re2 = /^(\w+)(#)([\w\u0128-\uFFFF*-]+)/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 = /^([#.]?)([\w\u0128-\uFFFF*-]*)/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] == "#" && elem && elem.getElementById ) {
+ if ( m[1] == "#" && elem && elem.getElementById && !jQuery.isXMLDoc(elem) ) {
// Optimization for HTML document case
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
- if ( jQuery.browser.msie && oid && oid.id != m[2] )
+ // 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] || 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++ ) {
+ // 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" )
// It's faster to filter by class and be done with it
if ( m[1] == "." )
- r = jQuery.grep( r, function(e) {
- return rec.test(e.className);
- });
+ r = jQuery.classFilter( r, m[2] );
// Same with ID filtering
if ( m[1] == "#" ) {
- // Remember, then wipe out, the result set
- var tmp = r;
- r = [];
-
- // Then try to find the element with the ID
- jQuery.each( tmp, function(){
- if ( this.getAttribute("id") == m[2] ) {
- r = [ this ];
- return false;
+ 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;
ret = [];
// Remove the root context
- if ( ret && ret[0] == context )
+ if ( ret && context == ret[0] )
ret.shift();
// And combine the results
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) {
var last;
var p = jQuery.parse, m;
- jQuery.each( p, function(i,re){
-
- // Look for, and replace, string-like sequences
- // and finally build a regexp out of it
- m = re.exec( t );
+ for ( var i = 0; p[i]; i++ ) {
+ m = p[i].exec( t );
if ( m ) {
// Remove what we just matched
t = t.substring( m[0].length );
- // Re-organize the first match
- if ( jQuery.expr[ m[1] ]._resort )
- m = jQuery.expr[ m[1] ]._resort( m );
-
- return false;
+ m[2] = m[2].replace(/\\/g, "");
+ break;
}
- });
+ }
if ( !m )
- continue;
+ 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++;
- var re = new RegExp("(^|\\s)" + m[2] + "(\\s|$)");
- r = jQuery.grep( r, function(e){
- return re.test(e.className || "");
- }, not);
+ 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;
+
+ 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 );
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 && cur == elem ||
- result == "odd" && num % 2 == 1 && cur == elem ) return cur;
- }
+
+ for ( ; cur; cur = cur[dir] )
+ if ( cur.nodeType == 1 && ++num == result )
+ break;
+
+ return cur;
},
/**
git.asbjorn.biz / jquery.git / blobdiff