Moved the bulk of the selector code out into a separate file, changed the build files...
[jquery.git] / src / jquery / jquery.js
index b225207..8b28fdb 100644 (file)
@@ -1398,336 +1398,7 @@ jQuery.extend({
 
                return r;
        },
-
-       /**
-        * 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 Number|String 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){
-               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;
-               }
-       },
-
-       expr: {
-               "": "m[2]== '*'||a.nodeName.toUpperCase()==m[2].toUpperCase()",
-               "#": "a.getAttribute('id')==m[2]",
-               ":": {
-                       // Position Checks
-                       lt: "i<m[3]-0",
-                       gt: "i>m[3]-0",
-                       nth: "m[3]-0==i",
-                       eq: "m[3]-0==i",
-                       first: "i==0",
-                       last: "i==r.length-1",
-                       even: "i%2==0",
-                       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",
-                       "last-child": "jQuery.nth(a.parentNode.lastChild,1,'previousSibling')==a",
-                       "only-child": "jQuery.sibling(a.parentNode.firstChild).length==1",
-
-                       // Parent Checks
-                       parent: "a.childNodes.length",
-                       empty: "!a.childNodes.length",
-
-                       // Text Check
-                       contains: "jQuery.fn.text.apply([a]).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'",
-
-                       // Form attributes
-                       enabled: "!a.disabled",
-                       disabled: "a.disabled",
-                       checked: "a.checked",
-                       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=jQuery.attr(a,m[3]);"
-               },
-               "[": "jQuery.find(m[2],a).length"
-       },
-
-       /**
-        * 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;
-       },
-
-       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));
-               }
-       ],
-
-       /**
-        * @name $.find
-        * @type Array<Element>
-        * @private
-        * @cat Core
-        */
-       find: function( t, context ) {
-               // Quickly handle non-string expressions
-               if ( typeof t != "string" )
-                       return [ t ];
-
-               // Make sure that the context is a DOM Element
-               if ( context && context.nodeType == undefined )
-                       context = null;
-
-               // 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 = 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 = null;
-
-               // Continue while a selector expression exists, and while
-               // we're no longer looping upon ourselves
-               while ( t && last != t ) {
-                       var r = [];
-                       last = t;
-
-                       t = jQuery.trim(t).replace( /^\/\//i, "" );
-
-                       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 m = re.exec(t);
-
-                       if ( m ) {
-                               // Perform our own iteration and filter
-                               for ( var i = 0, rl = ret.length; i < rl; i++ )
-                                       for ( var c = ret[i].firstChild; c; c = c.nextSibling )
-                                               if ( c.nodeType == 1 && ( c.nodeName == m[1].toUpperCase() || m[1] == "*" ) )
-                                                       r.push( c );
-
-                               ret = r;
-                               t = jQuery.trim( t.replace( re, "" ) );
-                               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;
-                                       }
-                               }
-                       }
-
-                       // See if there's still an expression, and that we haven't already
-                       // matched a token
-                       if ( t && !foundToken ) {
-                               // Handle multiple expressions
-                               if ( !t.indexOf(",") || !t.indexOf("|") ) {
-                                       // Clean teh result set
-                                       if ( ret[0] == context ) ret.shift();
-
-                                       // Merge the result sets
-                                       jQuery.merge( done, ret );
-
-                                       // Reset the context
-                                       r = ret = [context];
-
-                                       // Touch up the selector string
-                                       t = " " + t.substr(1,t.length);
-
-                               } else {
-                                       // Optomize for the case nodeName#idName
-                                       var re2 = /^([a-z0-9_-]+)(#)([a-z0-9\\*_-]*)/i;
-                                       var m = re2.exec(t);
-                                       
-                                       // Re-organize the results, so that they're consistent
-                                       if ( m ) {
-                                          m = [ 0, m[2], m[3], m[1] ];
-
-                                       } else {
-                                               // Otherwise, do a traditional filter check for
-                                               // ID, class, and element selectors
-                                               re2 = /^([#.]?)([a-z0-9\\*_-]*)/i;
-                                               m = re2.exec(t);
-                                       }
-
-                                       // Try to do a global search by ID, where we can
-                                       if ( m[1] == "#" && ret[ret.length-1].getElementById ) {
-                                               // Optimization for HTML document case
-                                               var oid = ret[ret.length-1].getElementById(m[2]);
-
-                                               // 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] : [];
-
-                                       // Use the DOM 0 shortcut for the body element
-                                       } else if ( m[1] == "" && m[2] == "body" ) {
-                                               ret = r = [ document.body ];
-
-                                       } 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] )
-                                                       );
-
-                                               // 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);
-                                                       });
-
-                                               // 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] ];
-                                                                       break;
-                                                               }
-                                               }
-
-                                               ret = r;
-                                       }
-
-                                       t = t.replace( re2, "" );
-                               }
-
-                       }
-
-                       // If a selector string still exists
-                       if ( t ) {
-                               // Attempt to filter it
-                               var val = jQuery.filter(t,r);
-                               ret = r = val.r;
-                               t = jQuery.trim(val.t);
-                       }
-               }
-
-               // Remove the root context
-               if ( ret && ret[0] == context ) ret.shift();
-
-               // And combine the results
-               jQuery.merge( done, ret );
-
-               return done;
-       },
-
-       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;
-       },
-
        attr: function(elem, name, value){
                var fix = {
                        "for": "htmlFor",
@@ -1781,84 +1452,7 @@ jQuery.extend({
                        return elem[name];
                }
        },
-
-       // The regular expressions that power the parsing engine
-       parse: [
-               // Match: [@value='test'], [@foo]
-               "\\[ *(@)S *([!*$^=]*) *('?\"?)(.*?)\\4 *\\]",
-
-               // Match: [div], [div p]
-               "(\\[)\\s*(.*?)\\s*\\]",
-
-               // Match: :contains('foo')
-               "(:)S\\(\"?'?([^\\)]*?)\"?'?\\)",
-
-               // Match: :even, :last-chlid
-               "([:.#]*)S"
-       ],
-
-       filter: function(t,r,not) {
-               // Look for common filter expressions
-               while ( t && /^[a-z[({<*:.#]/i.test(t) ) {
-
-                       var p = jQuery.parse;
-
-                       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 m = re.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, "" );
-
-                                       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] == "." ) {
-
-                               var re = new RegExp("(^|\\s)" + m[2] + "(\\s|$)");
-                               r = jQuery.grep( r, function(e){
-                                       return re.test(e.className || '');
-                               }, not);
-
-                       // Otherwise, find the expression to execute
-                       } else {
-                               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 };
-       },
-
+       
        /**
         * Remove the whitespace from the beginning and end of a string.
         *
@@ -1874,25 +1468,6 @@ jQuery.extend({
                return t.replace(/^\s+|\s+$/g, "");
        },
 
-       /**
-        * 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;
-       },
-
        makeArray: function( a ) {
                var r = [];