2006-12-31 05:22:06 +00:00
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jQuery.extend({
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expr: {
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2007-01-22 05:27:54 +00:00
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"": "m[2]=='*'||jQuery.nodeName(a,m[2])",
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2006-12-31 05:22:06 +00:00
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"#": "a.getAttribute('id')==m[2]",
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":": {
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// Position Checks
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lt: "i<m[3]-0",
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gt: "i>m[3]-0",
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nth: "m[3]-0==i",
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eq: "m[3]-0==i",
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first: "i==0",
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last: "i==r.length-1",
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even: "i%2==0",
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odd: "i%2",
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// Child Checks
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2007-01-14 17:54:54 +00:00
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"nth-child": "jQuery.nth(a.parentNode.firstChild,m[3],'nextSibling',a)==a",
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2006-12-31 05:22:06 +00:00
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"first-child": "jQuery.nth(a.parentNode.firstChild,1,'nextSibling')==a",
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"last-child": "jQuery.nth(a.parentNode.lastChild,1,'previousSibling')==a",
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"only-child": "jQuery.sibling(a.parentNode.firstChild).length==1",
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// Parent Checks
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parent: "a.firstChild",
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empty: "!a.firstChild",
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// Text Check
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contains: "jQuery.fn.text.apply([a]).indexOf(m[3])>=0",
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// Visibility
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2007-01-14 07:17:41 +00:00
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visible: 'a.type!="hidden"&&jQuery.css(a,"display")!="none"&&jQuery.css(a,"visibility")!="hidden"',
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hidden: 'a.type=="hidden"||jQuery.css(a,"display")=="none"||jQuery.css(a,"visibility")=="hidden"',
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2006-12-31 05:22:06 +00:00
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// Form attributes
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enabled: "!a.disabled",
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disabled: "a.disabled",
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checked: "a.checked",
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2007-01-14 07:17:41 +00:00
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selected: "a.selected||jQuery.attr(a,'selected')",
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2006-12-31 05:22:06 +00:00
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// Form elements
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text: "a.type=='text'",
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radio: "a.type=='radio'",
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checkbox: "a.type=='checkbox'",
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file: "a.type=='file'",
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password: "a.type=='password'",
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submit: "a.type=='submit'",
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image: "a.type=='image'",
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reset: "a.type=='reset'",
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2007-01-22 05:27:54 +00:00
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button: 'a.type=="button"||jQuery.nodeName(a,"button")',
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2006-12-31 05:22:06 +00:00
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input: "/input|select|textarea|button/i.test(a.nodeName)"
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},
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".": "jQuery.className.has(a,m[2])",
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"@": {
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"=": "z==m[4]",
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"!=": "z!=m[4]",
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2007-01-14 07:17:41 +00:00
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"^=": "z&&!z.indexOf(m[4])",
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"$=": "z&&z.substr(z.length - m[4].length,m[4].length)==m[4]",
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"*=": "z&&z.indexOf(m[4])>=0",
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2006-12-31 05:22:06 +00:00
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"": "z",
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_resort: function(m){
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return ["", m[1], m[3], m[2], m[5]];
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},
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2007-02-14 01:49:28 +00:00
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_prefix: "z=a[m[3]];if(!z||/href|src/.test(m[3]))z=jQuery.attr(a,m[3]);"
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2006-12-31 05:22:06 +00:00
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},
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2007-03-25 02:45:12 +00:00
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"[": "parseInt(m[2])?jQuery.nth(a.parentNode.firstChild,parseInt(m[2]),'nextSibling',a)==a:jQuery.find(m[2],a).length"
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2006-12-31 05:22:06 +00:00
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},
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// The regular expressions that power the parsing engine
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parse: [
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// Match: [@value='test'], [@foo]
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2007-03-25 19:02:31 +00:00
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/^\[ *(@)([\w-]+) *([!*$^=]*) *('?"?)(.*?)\4 *\]/,
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2006-12-31 05:22:06 +00:00
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// Match: [div], [div p]
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2007-01-14 07:17:41 +00:00
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/^(\[)\s*(.*?(\[.*?\])?[^[]*?)\s*\]/,
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2006-12-31 05:22:06 +00:00
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// Match: :contains('foo')
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2007-03-25 19:02:31 +00:00
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/^(:)([\w-]+)\("?'?(.*?(\(.*?\))?[^(]*?)"?'?\)/,
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2006-12-31 05:22:06 +00:00
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2007-03-25 00:58:19 +00:00
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// Match: :even, :last-chlid, #id, .class
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2007-03-25 20:30:16 +00:00
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new RegExp("^([:.#]*)(" +
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( jQuery.chars = "(?:[\\w\u0128-\uFFFF*-]|\\\\.)" ) + "+)")
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2006-12-31 05:22:06 +00:00
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],
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token: [
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2007-01-14 07:17:41 +00:00
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/^(\/?\.\.)/, "a.parentNode",
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/^(>|\/)/, "jQuery.sibling(a.firstChild)",
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/^(\+)/, "jQuery.nth(a,2,'nextSibling')",
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/^(~)/, function(a){
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2006-12-31 05:22:06 +00:00
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var s = jQuery.sibling(a.parentNode.firstChild);
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2007-02-04 16:51:34 +00:00
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return s.slice(jQuery.inArray(a,s) + 1);
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2006-12-31 05:22:06 +00:00
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}
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],
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2007-01-10 17:54:42 +00:00
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multiFilter: function( expr, elems, not ) {
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var old, cur = [];
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while ( expr && expr != old ) {
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2007-01-10 18:06:19 +00:00
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old = expr;
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2007-01-10 17:54:42 +00:00
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var f = jQuery.filter( expr, elems, not );
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expr = f.t.replace(/^\s*,\s*/, "" );
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2007-01-10 18:06:19 +00:00
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cur = not ? elems = f.r : jQuery.merge( cur, f.r );
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2007-01-10 17:54:42 +00:00
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}
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return cur;
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},
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2006-12-31 05:22:06 +00:00
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/**
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* @name $.find
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* @type Array<Element>
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* @private
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* @cat Core
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*/
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find: function( t, context ) {
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// Quickly handle non-string expressions
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if ( typeof t != "string" )
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return [ t ];
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// Make sure that the context is a DOM Element
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2007-01-07 22:29:15 +00:00
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if ( context && !context.nodeType )
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2006-12-31 05:22:06 +00:00
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context = null;
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// Set the correct context (if none is provided)
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context = context || document;
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// Handle the common XPath // expression
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if ( !t.indexOf("//") ) {
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context = context.documentElement;
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t = t.substr(2,t.length);
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// And the / root expression
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2007-03-24 03:00:03 +00:00
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} else if ( !t.indexOf("/") && !context.ownerDocument ) {
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2006-12-31 05:22:06 +00:00
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context = context.documentElement;
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t = t.substr(1,t.length);
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if ( t.indexOf("/") >= 1 )
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t = t.substr(t.indexOf("/"),t.length);
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}
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// Initialize the search
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2007-03-25 00:58:19 +00:00
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var ret = [context], done = [], last;
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2006-12-31 05:22:06 +00:00
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// Continue while a selector expression exists, and while
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// we're no longer looping upon ourselves
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while ( t && last != t ) {
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var r = [];
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last = t;
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2007-03-25 00:58:19 +00:00
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t = jQuery.trim(t).replace( /^\/\//, "" );
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2006-12-31 05:22:06 +00:00
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var foundToken = false;
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// An attempt at speeding up child selectors that
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// point to a specific element tag
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2007-03-25 19:02:31 +00:00
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var re = /^[\/>]\s*([\w*-]+)/;
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2006-12-31 05:22:06 +00:00
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var m = re.exec(t);
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if ( m ) {
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// Perform our own iteration and filter
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2007-03-26 02:06:50 +00:00
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for ( var i = 0; ret[i]; i++ )
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for ( var c = ret[i].firstChild; c; c = c.nextSibling )
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if ( c.nodeType == 1 && ( m[1] == "*" || jQuery.nodeName(c, m[1]) ) )
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2006-12-31 05:22:06 +00:00
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r.push( c );
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ret = r;
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2007-01-22 04:50:30 +00:00
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t = t.replace( re, "" );
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2007-01-22 05:33:28 +00:00
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if ( t.indexOf(" ") == 0 ) continue;
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foundToken = true;
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2006-12-31 05:22:06 +00:00
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} else {
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// Look for pre-defined expression tokens
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2007-03-26 02:06:50 +00:00
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for ( var i = 0, tl = jQuery.token.length; i < tl; i += 2 ) {
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2006-12-31 05:22:06 +00:00
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// Attempt to match each, individual, token in
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// the specified order
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2007-03-25 19:02:31 +00:00
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var re = jQuery.token[i], fn = jQuery.token[i+1];
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2006-12-31 05:22:06 +00:00
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var m = re.exec(t);
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// If the token match was found
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if ( m ) {
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// Map it against the token's handler
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2007-03-25 19:02:31 +00:00
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r = ret = jQuery.map( ret, jQuery.isFunction( fn ) ?
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fn : new Function( "a", "return " + fn ) );
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2006-12-31 05:22:06 +00:00
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// And remove the token
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t = jQuery.trim( t.replace( re, "" ) );
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foundToken = true;
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break;
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}
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}
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}
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// See if there's still an expression, and that we haven't already
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// matched a token
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if ( t && !foundToken ) {
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// Handle multiple expressions
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2007-01-10 18:26:13 +00:00
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if ( !t.indexOf(",") ) {
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// Clean the result set
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2006-12-31 05:22:06 +00:00
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if ( ret[0] == context ) ret.shift();
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// Merge the result sets
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2007-03-24 21:55:03 +00:00
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done = jQuery.merge( done, ret );
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2006-12-31 05:22:06 +00:00
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// Reset the context
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r = ret = [context];
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// Touch up the selector string
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t = " " + t.substr(1,t.length);
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} else {
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// Optomize for the case nodeName#idName
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2007-03-25 20:30:16 +00:00
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var re2 = new RegExp("^(\\w+)(#)(" + jQuery.chars + "+)");
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2006-12-31 05:22:06 +00:00
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var m = re2.exec(t);
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// Re-organize the results, so that they're consistent
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if ( m ) {
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m = [ 0, m[2], m[3], m[1] ];
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} else {
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// Otherwise, do a traditional filter check for
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// ID, class, and element selectors
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2007-03-25 20:30:16 +00:00
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re2 = new RegExp("^([#.]?)(" + jQuery.chars + "*)");
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2006-12-31 05:22:06 +00:00
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m = re2.exec(t);
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}
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2007-03-25 02:04:03 +00:00
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m[2] = m[2].replace(/\\/g, "");
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2007-03-25 00:58:19 +00:00
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var elem = ret[ret.length-1];
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2007-03-24 02:54:24 +00:00
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2006-12-31 05:22:06 +00:00
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// Try to do a global search by ID, where we can
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2007-03-25 00:58:19 +00:00
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if ( m[1] == "#" && elem && elem.getElementById ) {
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2006-12-31 05:22:06 +00:00
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// Optimization for HTML document case
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2007-03-25 00:58:19 +00:00
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var oid = elem.getElementById(m[2]);
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2007-02-23 02:53:22 +00:00
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// Do a quick check for the existence of the actual ID attribute
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// to avoid selecting by the name attribute in IE
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2007-03-25 20:30:16 +00:00
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if ( (jQuery.browser.msie||jQuery.browser.opera) && oid && oid.id != m[2] )
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2007-03-25 00:58:19 +00:00
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oid = jQuery('[@id="'+m[2]+'"]', elem)[0];
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2006-12-31 05:22:06 +00:00
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// Do a quick check for node name (where applicable) so
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// that div#foo searches will be really fast
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2007-02-23 02:53:22 +00:00
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ret = r = oid && (!m[3] || jQuery.nodeName(oid, m[3])) ? [oid] : [];
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2006-12-31 05:22:06 +00:00
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} else {
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2007-03-25 20:30:16 +00:00
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// We need to find all descendant elements
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2007-03-26 02:06:50 +00:00
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for ( var i = 0; ret[i]; i++ ) {
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2007-01-11 07:31:40 +00:00
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// Grab the tag name being searched for
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var tag = m[1] != "" || m[0] == "" ? "*" : m[2];
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// Handle IE7 being really dumb about <object>s
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2007-03-24 21:55:03 +00:00
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if ( tag == "*" && ret[i].nodeName.toLowerCase() == "object" )
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2007-01-11 07:31:40 +00:00
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tag = "param";
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2007-03-24 21:55:03 +00:00
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r = jQuery.merge( r, ret[i].getElementsByTagName( tag ));
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}
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2006-12-31 05:22:06 +00:00
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// It's faster to filter by class and be done with it
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2007-03-24 21:55:03 +00:00
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if ( m[1] == "." )
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2007-03-26 02:06:50 +00:00
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r = jQuery.classFilter( r, m[2] );
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2006-12-31 05:22:06 +00:00
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// Same with ID filtering
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2007-03-24 21:55:03 +00:00
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if ( m[1] == "#" ) {
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2007-03-26 02:06:50 +00:00
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var tmp = [];
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// Try to find the element with the ID
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for ( var i = 0; r[i]; i++ )
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if ( r[i].getAttribute("id") == m[2] ) {
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tmp = [ r[i] ];
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break;
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2006-12-31 05:22:06 +00:00
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}
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2007-03-26 02:06:50 +00:00
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r = tmp;
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2006-12-31 05:22:06 +00:00
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}
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ret = r;
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}
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t = t.replace( re2, "" );
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}
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}
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// If a selector string still exists
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if ( t ) {
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// Attempt to filter it
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var val = jQuery.filter(t,r);
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ret = r = val.r;
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t = jQuery.trim(val.t);
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}
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}
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2007-03-25 00:58:19 +00:00
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// An error occurred with the selector;
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// just return an empty set instead
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if ( t )
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ret = [];
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2006-12-31 05:22:06 +00:00
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// Remove the root context
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2007-03-25 00:58:19 +00:00
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if ( ret && ret[0] == context )
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ret.shift();
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2006-12-31 05:22:06 +00:00
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// And combine the results
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2007-03-24 21:55:03 +00:00
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done = jQuery.merge( done, ret );
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2006-12-31 05:22:06 +00:00
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|
|
|
|
|
|
return done;
|
|
|
|
},
|
|
|
|
|
2007-03-26 02:06:50 +00:00
|
|
|
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;
|
|
|
|
},
|
|
|
|
|
2006-12-31 05:22:06 +00:00
|
|
|
filter: function(t,r,not) {
|
2007-03-25 00:58:19 +00:00
|
|
|
var last;
|
|
|
|
|
2006-12-31 05:22:06 +00:00
|
|
|
// Look for common filter expressions
|
2007-03-25 00:58:19 +00:00
|
|
|
while ( t && t != last ) {
|
|
|
|
last = t;
|
2006-12-31 05:22:06 +00:00
|
|
|
|
2007-01-14 21:49:59 +00:00
|
|
|
var p = jQuery.parse, m;
|
2006-12-31 05:22:06 +00:00
|
|
|
|
2007-03-26 02:06:50 +00:00
|
|
|
for ( var i = 0; p[i]; i++ ) {
|
|
|
|
m = p[i].exec( t );
|
2006-12-31 05:22:06 +00:00
|
|
|
|
|
|
|
if ( m ) {
|
2007-01-12 07:32:15 +00:00
|
|
|
// Remove what we just matched
|
|
|
|
t = t.substring( m[0].length );
|
|
|
|
|
2006-12-31 05:22:06 +00:00
|
|
|
// Re-organize the first match
|
|
|
|
if ( jQuery.expr[ m[1] ]._resort )
|
|
|
|
m = jQuery.expr[ m[1] ]._resort( m );
|
|
|
|
|
2007-03-25 02:04:03 +00:00
|
|
|
m[2] = m[2].replace(/\\/g, "");
|
|
|
|
|
2007-03-26 02:06:50 +00:00
|
|
|
break;
|
2006-12-31 05:22:06 +00:00
|
|
|
}
|
2007-03-26 02:06:50 +00:00
|
|
|
}
|
2006-12-31 05:22:06 +00:00
|
|
|
|
2007-03-25 00:58:19 +00:00
|
|
|
if ( !m )
|
2007-03-26 02:06:50 +00:00
|
|
|
break;
|
2007-03-25 00:58:19 +00:00
|
|
|
|
2006-12-31 05:22:06 +00:00
|
|
|
// :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;
|
|
|
|
|
2007-03-26 02:06:50 +00:00
|
|
|
// We can get a big speed boost by filtering by class here
|
|
|
|
else if ( m[1] == "." )
|
|
|
|
r = jQuery.classFilter(r, m[2], not);
|
|
|
|
|
2006-12-31 05:22:06 +00:00
|
|
|
// Otherwise, find the expression to execute
|
2007-03-25 02:04:03 +00:00
|
|
|
else {
|
2006-12-31 05:22:06 +00:00
|
|
|
var f = jQuery.expr[m[1]];
|
|
|
|
if ( typeof f != "string" )
|
|
|
|
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 + "}");
|
|
|
|
|
|
|
|
// Execute it against the current filter
|
|
|
|
r = jQuery.grep( r, f, not );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Return an array of filtered elements (r)
|
|
|
|
// and the modified expression string (t)
|
|
|
|
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;
|
|
|
|
while ( cur && cur != document ) {
|
|
|
|
matched.push( cur );
|
|
|
|
cur = cur.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.
|
2007-01-14 15:47:32 +00:00
|
|
|
* @param String|Number num The Nth result to match. Can be a number or a string (like 'even' or 'odd').
|
2006-12-31 05:22:06 +00:00
|
|
|
* @param String dir The direction to move in (pass in something like 'previousSibling' or 'nextSibling').
|
|
|
|
* @cat DOM/Traversing
|
|
|
|
*/
|
2007-01-14 17:54:54 +00:00
|
|
|
nth: function(cur,result,dir,elem){
|
2006-12-31 05:22:06 +00:00
|
|
|
result = result || 1;
|
|
|
|
var num = 0;
|
|
|
|
for ( ; cur; cur = cur[dir] ) {
|
|
|
|
if ( cur.nodeType == 1 ) num++;
|
2007-01-14 17:54:54 +00:00
|
|
|
if ( num == result || result == "even" && num % 2 == 0 && num > 1 && cur == elem ||
|
|
|
|
result == "odd" && num % 2 == 1 && cur == elem ) return cur;
|
2006-12-31 05:22:06 +00:00
|
|
|
}
|
|
|
|
},
|
|
|
|
|
|
|
|
/**
|
|
|
|
* 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 = [];
|
|
|
|
|
|
|
|
for ( ; n; n = n.nextSibling ) {
|
|
|
|
if ( n.nodeType == 1 && (!elem || n != elem) )
|
|
|
|
r.push( n );
|
|
|
|
}
|
|
|
|
|
|
|
|
return r;
|
|
|
|
}
|
2007-01-07 22:29:15 +00:00
|
|
|
});
|