Setting the jsonp option to false now inhibits any url manipulation regarding the...
[jquery.git] / src / data.js
index bf54e75..4d1d1bd 100644 (file)
-var expando = "jQuery" + now(), uuid = 0, windowData = {};\r
-\r
-jQuery.extend({\r
-       cache: {},\r
-\r
-       data: function( elem, name, data ) {\r
-               elem = elem == window ?\r
-                       windowData :\r
-                       elem;\r
-\r
-               var id = elem[ expando ];\r
-\r
-               // Compute a unique ID for the element\r
-               if ( !id )\r
-                       id = elem[ expando ] = ++uuid;\r
-\r
-               // Only generate the data cache if we're\r
-               // trying to access or manipulate it\r
-               if ( name && !jQuery.cache[ id ] )\r
-                       jQuery.cache[ id ] = {};\r
-\r
-               // Prevent overriding the named cache with undefined values\r
-               if ( data !== undefined )\r
-                       jQuery.cache[ id ][ name ] = data;\r
-\r
-               // Return the named cache data, or the ID for the element\r
-               return name ?\r
-                       jQuery.cache[ id ][ name ] :\r
-                       id;\r
-       },\r
-\r
-       removeData: function( elem, name ) {\r
-               elem = elem == window ?\r
-                       windowData :\r
-                       elem;\r
-\r
-               var id = elem[ expando ];\r
-\r
-               // If we want to remove a specific section of the element's data\r
-               if ( name ) {\r
-                       if ( jQuery.cache[ id ] ) {\r
-                               // Remove the section of cache data\r
-                               delete jQuery.cache[ id ][ name ];\r
-\r
-                               // If we've removed all the data, remove the element's cache\r
-                               name = "";\r
-\r
-                               for ( name in jQuery.cache[ id ] )\r
-                                       break;\r
-\r
-                               if ( !name )\r
-                                       jQuery.removeData( elem );\r
-                       }\r
-\r
-               // Otherwise, we want to remove all of the element's data\r
-               } else {\r
-                       // Clean up the element expando\r
-                       try {\r
-                               delete elem[ expando ];\r
-                       } catch(e){\r
-                               // IE has trouble directly removing the expando\r
-                               // but it's ok with using removeAttribute\r
-                               if ( elem.removeAttribute )\r
-                                       elem.removeAttribute( expando );\r
-                       }\r
-\r
-                       // Completely remove the data cache\r
-                       delete jQuery.cache[ id ];\r
-               }\r
-       },\r
-       queue: function( elem, type, data ) {\r
-               if ( elem ){\r
-\r
-                       type = (type || "fx") + "queue";\r
-\r
-                       var q = jQuery.data( elem, type );\r
-\r
-                       if ( !q || jQuery.isArray(data) )\r
-                               q = jQuery.data( elem, type, jQuery.makeArray(data) );\r
-                       else if( data )\r
-                               q.push( data );\r
-\r
-               }\r
-               return q;\r
-       },\r
-\r
-       dequeue: function( elem, type ){\r
-               var queue = jQuery.queue( elem, type ),\r
-                       fn = queue.shift();\r
-\r
-               if( !type || type === "fx" )\r
-                       fn = queue[0];\r
-\r
-               if( fn !== undefined )\r
-                       fn.call(elem, function() { jQuery(elem).dequeue(type); });\r
-       }\r
-});\r
-\r
-jQuery.fn.extend({\r
-       data: function( key, value ){\r
-               var parts = key.split(".");\r
-               parts[1] = parts[1] ? "." + parts[1] : "";\r
-\r
-               if ( value === undefined ) {\r
-                       var data = this.triggerHandler("getData" + parts[1] + "!", [parts[0]]);\r
-\r
-                       if ( data === undefined && this.length )\r
-                               data = jQuery.data( this[0], key );\r
-\r
-                       return data === undefined && parts[1] ?\r
-                               this.data( parts[0] ) :\r
-                               data;\r
-               } else\r
-                       return this.trigger("setData" + parts[1] + "!", [parts[0], value]).each(function(){\r
-                               jQuery.data( this, key, value );\r
-                       });\r
-       },\r
-\r
-       removeData: function( key ){\r
-               return this.each(function(){\r
-                       jQuery.removeData( this, key );\r
-               });\r
-       },\r
-       queue: function(type, data){\r
-               if ( typeof type !== "string" ) {\r
-                       data = type;\r
-                       type = "fx";\r
-               }\r
-\r
-               if ( data === undefined )\r
-                       return jQuery.queue( this[0], type );\r
-\r
-               return this.each(function(i, elem){\r
-                       var queue = jQuery.queue( this, type, data );\r
-\r
-                       if( type == "fx" && queue.length == 1 )\r
-                               queue[0].call(this, function() { jQuery(elem).dequeue(type); });\r
-               });\r
-       },\r
-       dequeue: function(type){\r
-               return this.each(function(){\r
-                       jQuery.dequeue( this, type );\r
-               });\r
-       },\r
-       clearQueue: function(type){\r
-               return this.queue( type || "fx", [] );\r
-       }\r
-});
\ No newline at end of file
+(function( jQuery ) {
+
+var windowData = {},
+       rbrace = /^(?:\{.*\}|\[.*\])$/;
+
+jQuery.extend({
+       cache: {},
+
+       // Please use with caution
+       uuid: 0,
+
+       // Unique for each copy of jQuery on the page
+       // Non-digits removed to match rinlinejQuery
+       expando: "jQuery" + ( jQuery.fn.jquery + Math.random() ).replace( /\D/g, "" ),
+
+       // The following elements throw uncatchable exceptions if you
+       // attempt to add expando properties to them.
+       noData: {
+               "embed": true,
+               // Ban all objects except for Flash (which handle expandos)
+               "object": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000",
+               "applet": true
+       },
+
+       hasData: function( elem ) {
+               if ( elem.nodeType ) {
+                       elem = jQuery.cache[ elem[jQuery.expando] ];
+               }
+
+               return !!elem && !jQuery.isEmptyObject(elem);
+       },
+
+       data: function( elem, name, data ) {
+               if ( !jQuery.acceptData( elem ) ) {
+                       return;
+               }
+
+               elem = elem == window ?
+                       windowData :
+                       elem;
+
+               var isNode = elem.nodeType,
+                       id = isNode ? elem[ jQuery.expando ] : null,
+                       cache = jQuery.cache, thisCache;
+
+               if ( isNode && !id && typeof name === "string" && data === undefined ) {
+                       return;
+               }
+
+               // Get the data from the object directly
+               if ( !isNode ) {
+                       cache = elem;
+
+               // Compute a unique ID for the element
+               } else if ( !id ) {
+                       elem[ jQuery.expando ] = id = ++jQuery.uuid;
+               }
+
+               // Avoid generating a new cache unless none exists and we
+               // want to manipulate it.
+               if ( typeof name === "object" ) {
+                       if ( isNode ) {
+                               cache[ id ] = jQuery.extend(cache[ id ], name);
+
+                       } else {
+                               jQuery.extend( cache, name );
+                       }
+
+               } else if ( isNode && !cache[ id ] ) {
+                       cache[ id ] = {};
+               }
+
+               thisCache = isNode ? cache[ id ] : cache;
+
+               // Prevent overriding the named cache with undefined values
+               if ( data !== undefined ) {
+                       thisCache[ name ] = data;
+               }
+
+               return typeof name === "string" ? thisCache[ name ] : thisCache;
+       },
+
+       removeData: function( elem, name ) {
+               if ( !jQuery.acceptData( elem ) ) {
+                       return;
+               }
+
+               elem = elem == window ?
+                       windowData :
+                       elem;
+
+               var isNode = elem.nodeType,
+                       id = isNode ? elem[ jQuery.expando ] : elem,
+                       cache = jQuery.cache,
+                       thisCache = isNode ? cache[ id ] : id;
+
+               // If we want to remove a specific section of the element's data
+               if ( name ) {
+                       if ( thisCache ) {
+                               // Remove the section of cache data
+                               delete thisCache[ name ];
+
+                               // If we've removed all the data, remove the element's cache
+                               if ( isNode && jQuery.isEmptyObject(thisCache) ) {
+                                       jQuery.removeData( elem );
+                               }
+                       }
+
+               // Otherwise, we want to remove all of the element's data
+               } else {
+                       if ( isNode && jQuery.support.deleteExpando ) {
+                               delete elem[ jQuery.expando ];
+
+                       } else if ( elem.removeAttribute ) {
+                               elem.removeAttribute( jQuery.expando );
+
+                       // Completely remove the data cache
+                       } else if ( isNode ) {
+                               delete cache[ id ];
+
+                       // Remove all fields from the object
+                       } else {
+                               for ( var n in elem ) {
+                                       delete elem[ n ];
+                               }
+                       }
+               }
+       },
+
+       // A method for determining if a DOM node can handle the data expando
+       acceptData: function( elem ) {
+               if ( elem.nodeName ) {
+                       var match = jQuery.noData[ elem.nodeName.toLowerCase() ];
+
+                       if ( match ) {
+                               return !(match === true || elem.getAttribute("classid") !== match);
+                       }
+               }
+
+               return true;
+       }
+});
+
+jQuery.fn.extend({
+       data: function( key, value ) {
+               var data = null;
+
+               if ( typeof key === "undefined" ) {
+                       if ( this.length ) {
+                               data = jQuery.data( this[0] );
+
+                               if ( this[0].nodeType === 1 ) {
+                                       var attr = this[0].attributes, name;
+                                       for ( var i = 0, l = attr.length; i < l; i++ ) {
+                                               name = attr[i].name;
+
+                                               if ( name.indexOf( "data-" ) === 0 ) {
+                                                       name = name.substr( 5 );
+                                                       dataAttr( this[0], name, data[ name ] );
+                                               }
+                                       }
+                               }
+                       }
+
+                       return data;
+
+               } else if ( typeof key === "object" ) {
+                       return this.each(function() {
+                               jQuery.data( this, key );
+                       });
+               }
+
+               var parts = key.split(".");
+               parts[1] = parts[1] ? "." + parts[1] : "";
+
+               if ( value === undefined ) {
+                       data = this.triggerHandler("getData" + parts[1] + "!", [parts[0]]);
+
+                       // Try to fetch any internally stored data first
+                       if ( data === undefined && this.length ) {
+                               data = jQuery.data( this[0], key );
+                               data = dataAttr( this[0], key, data );
+                       }
+
+                       return data === undefined && parts[1] ?
+                               this.data( parts[0] ) :
+                               data;
+
+               } else {
+                       return this.each(function() {
+                               var $this = jQuery( this ),
+                                       args = [ parts[0], value ];
+
+                               $this.triggerHandler( "setData" + parts[1] + "!", args );
+                               jQuery.data( this, key, value );
+                               $this.triggerHandler( "changeData" + parts[1] + "!", args );
+                       });
+               }
+       },
+
+       removeData: function( key ) {
+               return this.each(function() {
+                       jQuery.removeData( this, key );
+               });
+       }
+});
+
+function dataAttr( elem, key, data ) {
+       // If nothing was found internally, try to fetch any
+       // data from the HTML5 data-* attribute
+       if ( data === undefined && elem.nodeType === 1 ) {
+               data = elem.getAttribute( "data-" + key );
+
+               if ( typeof data === "string" ) {
+                       try {
+                               data = data === "true" ? true :
+                               data === "false" ? false :
+                               data === "null" ? null :
+                               !jQuery.isNaN( data ) ? parseFloat( data ) :
+                                       rbrace.test( data ) ? jQuery.parseJSON( data ) :
+                                       data;
+                       } catch( e ) {}
+
+                       // Make sure we set the data so it isn't changed later
+                       jQuery.data( elem, key, data );
+
+               } else {
+                       data = undefined;
+               }
+       }
+
+       return data;
+}
+
+})( jQuery );