A follow-up to [6578] (which stopped adding expandos to elements that didn't have...
[jquery.git] / src / manipulation.js
index 583d445..547acc1 100644 (file)
@@ -1,16 +1,34 @@
 var rinlinejQuery = / jQuery\d+="(?:\d+|null)"/g,
        rleadingWhitespace = /^\s+/,
-       rsingleTag = /^<(\w+)\s*\/?>$/,
        rxhtmlTag = /(<(\w+)[^>]*?)\/>/g,
        rselfClosing = /^(?:abbr|br|col|img|input|link|meta|param|hr|area|embed)$/i,
-       rinsideTable = /^<(thead|tbody|tfoot|colg|cap)/,
+       rtagName = /<(\w+)/,
        rtbody = /<tbody/i,
+       rhtml = /</,
        fcloseTag = function(all, front, tag){
                return rselfClosing.test(tag) ?
                        all :
                        front + "></" + tag + ">";
+       },
+       wrapMap = {
+               option: [ 1, "<select multiple='multiple'>", "</select>" ],
+               legend: [ 1, "<fieldset>", "</fieldset>" ],
+               thead: [ 1, "<table>", "</table>" ],
+               tr: [ 2, "<table><tbody>", "</tbody></table>" ],
+               td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
+               col: [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ],
+               _default: [ 0, "", "" ]
        };
 
+wrapMap.optgroup = wrapMap.option;
+wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
+wrapMap.th = wrapMap.td;
+
+// IE can't serialize <link> and <script> tags normally
+if ( !jQuery.support.htmlSerialize ) {
+       wrapMap._default = [ 1, "div<div>", "</div>" ];
+}
+
 jQuery.fn.extend({
        text: function( text ) {
                if ( typeof text !== "object" && text !== undefined )
@@ -37,7 +55,7 @@ jQuery.fn.extend({
                                jQuery(this).wrapAll( html.apply(this, arguments) );
                        });
                }
-               
+
                if ( this[0] ) {
                        // The elements to wrap the target around
                        var wrap = jQuery( html, this[0].ownerDocument ).eq(0).clone();
@@ -89,15 +107,27 @@ jQuery.fn.extend({
        },
 
        before: function() {
-               return this.domManip(arguments, false, function(elem){
-                       this.parentNode.insertBefore( elem, this );
-               });
+               if ( this[0] && this[0].parentNode ) {
+                       return this.domManip(arguments, false, function(elem){
+                               this.parentNode.insertBefore( elem, this );
+                       });
+               } else if ( arguments.length ) {
+                       var set = jQuery(arguments[0]);
+                       set.push.apply( set, this.toArray() );
+                       return this.pushStack( set, "before", arguments );
+               }
        },
 
        after: function() {
-               return this.domManip(arguments, false, function(elem){
-                       this.parentNode.insertBefore( elem, this.nextSibling );
-               });
+               if ( this[0] && this[0].parentNode ) {
+                       return this.domManip(arguments, false, function(elem){
+                               this.parentNode.insertBefore( elem, this.nextSibling );
+                       });
+               } else if ( arguments.length ) {
+                       var set = this.pushStack( this, "after", arguments );
+                       set.push.apply( set, jQuery(arguments[0]).toArray() );
+                       return set;
+               }
        },
 
        clone: function( events ) {
@@ -150,20 +180,51 @@ jQuery.fn.extend({
        },
 
        html: function( value ) {
-               return value === undefined ?
-                       (this[0] ?
+               if ( value === undefined ) {
+                       return this[0] ?
                                this[0].innerHTML.replace(rinlinejQuery, "") :
-                               null) :
+                               null;
+
+               // See if we can take a shortcut and just use innerHTML
+               } else if ( typeof value === "string" && !/<script/i.test( value ) &&
+                       (!jQuery.support.leadingWhitespace || !rleadingWhitespace.test( value )) &&
+                       !wrapMap[ (rtagName.exec( value ) || ["", ""])[1].toLowerCase() ] ) {
+
+                       try {
+                               for ( var i = 0, l = this.length; i < l; i++ ) {
+                                       // Remove element nodes and prevent memory leaks
+                                       if ( this[i].nodeType === 1 ) {
+                                               cleanData( this[i].getElementsByTagName("*") );
+                                               this[i].innerHTML = value;
+                                       }
+                               }
+
+                       // If using innerHTML throws an exception, use the fallback method
+                       } catch(e) {
+                               this.empty().append( value );
+                       }
+
+               } else {
                        this.empty().append( value );
+               }
+
+               return this;
        },
 
        replaceWith: function( value ) {
-               return this.after( value ).remove();
+               if ( this[0] && this[0].parentNode ) {
+                       return this.after( value ).remove();
+               } else {
+                       return this.pushStack( jQuery(jQuery.isFunction(value) ? value() : value), "replaceWith", value );
+               }
+       },
+
+       detach: function( selector ) {
+               return this.remove( selector, true );
        },
 
        domManip: function( args, table, callback ) {
-               var fragment, scripts, cacheable, cached, cacheresults, first,
-                       value = args[0];
+               var results, first, value = args[0], scripts = [];
 
                if ( jQuery.isFunction(value) ) {
                        return this.each(function() {
@@ -173,23 +234,14 @@ jQuery.fn.extend({
                }
 
                if ( this[0] ) {
-                       if ( args.length === 1 && typeof args[0] === "string" && args[0].length < 512 && args[0].indexOf("<option") < 0 ) {
-                               cacheable = true;
-                               cacheresults = jQuery.fragments[ args[0] ];
-                               if ( cacheresults ) {
-                                       if ( cacheresults !== 1 ) {
-                                               fragment = cacheresults;
-                                       }
-                                       cached = true;
-                               }
-                       }
-                       
-                       if ( !fragment ) {
-                               fragment = (this[0].ownerDocument || this[0]).createDocumentFragment();
-                               scripts = jQuery.clean( args, (this[0].ownerDocument || this[0]), fragment );
+                       // If we're in a fragment, just use that instead of building a new one
+                       if ( args[0] && args[0].parentNode && args[0].parentNode.nodeType === 11 ) {
+                               results = { fragment: args[0].parentNode };
+                       } else {
+                               results = buildFragment( args, this, scripts );
                        }
 
-                       first = fragment.firstChild;
+                       first = results.fragment.firstChild;
 
                        if ( first ) {
                                table = table && jQuery.nodeName( first, "tr" );
@@ -199,9 +251,9 @@ jQuery.fn.extend({
                                                table ?
                                                        root(this[i], first) :
                                                        this[i],
-                                               cacheable || this.length > 1 || i > 0 ?
-                                                       fragment.cloneNode(true) :
-                                                       fragment
+                                               results.cacheable || this.length > 1 || i > 0 ?
+                                                       results.fragment.cloneNode(true) :
+                                                       results.fragment
                                        );
                                }
                        }
@@ -209,10 +261,6 @@ jQuery.fn.extend({
                        if ( scripts ) {
                                jQuery.each( scripts, evalScript );
                        }
-
-                       if ( cacheable ) {
-                               jQuery.fragments[ args[0] ] = cacheresults ? fragment : 1;
-                       }
                }
 
                return this;
@@ -226,6 +274,33 @@ jQuery.fn.extend({
        }
 });
 
+function buildFragment(args, nodes, scripts){
+       var fragment, cacheable, cached, cacheresults, doc;
+
+       if ( args.length === 1 && typeof args[0] === "string" && args[0].length < 512 && args[0].indexOf("<option") < 0 ) {
+               cacheable = true;
+               cacheresults = jQuery.fragments[ args[0] ];
+               if ( cacheresults ) {
+                       if ( cacheresults !== 1 ) {
+                               fragment = cacheresults;
+                       }
+                       cached = true;
+               }
+       }
+
+       if ( !fragment ) {
+               doc = (nodes && nodes[0] ? nodes[0].ownerDocument || nodes[0] : document);
+               fragment = doc.createDocumentFragment();
+               jQuery.clean( args, doc, fragment, scripts );
+       }
+
+       if ( cacheable ) {
+               jQuery.fragments[ args[0] ] = cacheresults ? fragment : 1;
+       }
+
+       return { fragment: fragment, cacheable: cacheable };
+}
+
 jQuery.fragments = {};
 
 jQuery.each({
@@ -243,20 +318,21 @@ jQuery.each({
                        jQuery.fn[ original ].apply( jQuery(insert[i]), elems );
                        ret = ret.concat( elems );
                }
-
-               return this.pushStack( ret, name, selector );
+               return this.pushStack( ret, name, insert.selector );
        };
 });
 
 jQuery.each({
-       remove: function( selector ) {
+       // keepData is for internal use only--do not document
+       remove: function( selector, keepData ) {
                if ( !selector || jQuery.multiFilter( selector, [ this ] ).length ) {
-                       if ( this.nodeType === 1 ) {
-                               cleanData( jQuery("*", this).add(this) );
+                       if ( !keepData && this.nodeType === 1 ) {
+                               cleanData( this.getElementsByTagName("*") );
+                               cleanData( [ this ] );
                        }
 
                        if ( this.parentNode ) {
-                               this.parentNode.removeChild( this );
+                                this.parentNode.removeChild( this );
                        }
                }
        },
@@ -264,7 +340,7 @@ jQuery.each({
        empty: function() {
                // Remove element nodes and prevent memory leaks
                if ( this.nodeType === 1 ) {
-                       cleanData( jQuery("*", this) );
+                       cleanData( this.getElementsByTagName("*") );
                }
 
                // Remove any remaining nodes
@@ -279,7 +355,7 @@ jQuery.each({
 });
 
 jQuery.extend({
-       clean: function( elems, context, fragment ) {
+       clean: function( elems, context, fragment, scripts ) {
                context = context || document;
 
                // !context.createElement fails in IE with an error but returns typeof 'object'
@@ -287,16 +363,7 @@ jQuery.extend({
                        context = context.ownerDocument || context[0] && context[0].ownerDocument || document;
                }
 
-               // If a single string is passed in and it's a single tag
-               // just do a createElement and skip the rest
-               if ( !fragment && elems.length === 1 && typeof elems[0] === "string" ) {
-                       var match = rsingleTag.exec(elems[0]);
-                       if ( match ) {
-                               return [ context.createElement( match[1] ) ];
-                       }
-               }
-
-               var ret = [], scripts = [], div = context.createElement("div");
+               var ret = [], div = context.createElement("div");
 
                jQuery.each(elems, function(i, elem){
                        if ( typeof elem === "number" ) {
@@ -306,46 +373,23 @@ jQuery.extend({
                        if ( !elem ) { return; }
 
                        // Convert html string into DOM nodes
-                       if ( typeof elem === "string" ) {
+                       if ( typeof elem === "string" && !rhtml.test( elem ) ) {
+                               elem = context.createTextNode( elem );
+
+                       } else if ( typeof elem === "string" ) {
                                // Fix "XHTML"-style tags in all browsers
                                elem = elem.replace(rxhtmlTag, fcloseTag);
 
                                // Trim whitespace, otherwise indexOf won't work as expected
-                               var tags = elem.replace(rleadingWhitespace, "")
-                                       .substring(0, 10).toLowerCase();
-
-                               var wrap =
-                                       // option or optgroup
-                                       !tags.indexOf("<opt") &&
-                                       [ 1, "<select multiple='multiple'>", "</select>" ] ||
-
-                                       !tags.indexOf("<leg") &&
-                                       [ 1, "<fieldset>", "</fieldset>" ] ||
-
-                                       rinsideTable.test(tags) &&
-                                       [ 1, "<table>", "</table>" ] ||
-
-                                       !tags.indexOf("<tr") &&
-                                       [ 2, "<table><tbody>", "</tbody></table>" ] ||
-
-                                       // <thead> matched above
-                                       (!tags.indexOf("<td") || !tags.indexOf("<th")) &&
-                                       [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ] ||
-
-                                       !tags.indexOf("<col") &&
-                                       [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ] ||
-
-                                       // IE can't serialize <link> and <script> tags normally
-                                       !jQuery.support.htmlSerialize &&
-                                       [ 1, "div<div>", "</div>" ] ||
-
-                                       [ 0, "", "" ];
+                               var tag = (rtagName.exec( elem ) || ["", ""])[1].toLowerCase(),
+                                       wrap = wrapMap[ tag ] || wrapMap._default,
+                                       depth = wrap[0];
 
                                // Go to html and back, then peel off extra wrappers
                                div.innerHTML = wrap[1] + elem + wrap[2];
 
                                // Move to the right depth
-                               while ( wrap[0]-- ) {
+                               while ( depth-- ) {
                                        div = div.lastChild;
                                }
 
@@ -354,7 +398,7 @@ jQuery.extend({
 
                                        // String was a <table>, *may* have spurious <tbody>
                                        var hasBody = rtbody.test(elem),
-                                               tbody = !tags.indexOf("<table") && !hasBody ?
+                                               tbody = tag === "table" && !hasBody ?
                                                        div.firstChild && div.firstChild.childNodes :
 
                                                        // String was a bare <thead> or <tfoot>
@@ -388,7 +432,7 @@ jQuery.extend({
 
                if ( fragment ) {
                        for ( var i = 0; ret[i]; i++ ) {
-                               if ( jQuery.nodeName( ret[i], "script" ) && (!ret[i].type || ret[i].type.toLowerCase() === "text/javascript") ) {
+                               if ( scripts && jQuery.nodeName( ret[i], "script" ) && (!ret[i].type || ret[i].type.toLowerCase() === "text/javascript") ) {
                                        scripts.push( ret[i].parentNode ? ret[i].parentNode.removeChild( ret[i] ) : ret[i] );
                                } else {
                                        if ( ret[i].nodeType === 1 ) {
@@ -397,8 +441,6 @@ jQuery.extend({
                                        fragment.appendChild( ret[i] );
                                }
                        }
-
-                       return scripts;
                }
 
                return ret;
@@ -406,9 +448,8 @@ jQuery.extend({
 });
 
 function cleanData( elems ) {
-       for ( var i = 0, l = elems.length; i < l; i++ ) {
-               var id = elems[i][expando];
-               if ( id ) {
+       for ( var i = 0, elem, id; (elem = elems[i]) != null; i++ ) {
+               if ( (id = elem[expando]) ) {
                        delete jQuery.cache[ id ];
                }
        }