var rbrace = /(?:\{[\s\S]*\}|\[[\s\S]*\])$/,
rmultiDash = /([A-Z])/g;
+
+function internalData( elem, name, data, pvt /* Internal Use Only */ ){
+ if ( !jQuery.acceptData( elem ) ) {
+ return;
+ }
-jQuery.extend({
- cache: {},
+ var thisCache, ret,
+ internalKey = jQuery.expando,
+ getByName = typeof name === "string",
- deletedIds: [],
+ // We have to handle DOM nodes and JS objects differently because IE6-7
+ // can't GC object references properly across the DOM-JS boundary
+ isNode = elem.nodeType,
- // Remove at next major release (1.9/2.0)
- uuid: 0,
+ // Only DOM nodes need the global jQuery cache; JS object data is
+ // attached directly to the object so GC can occur automatically
+ cache = isNode ? jQuery.cache : elem,
- // 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, "" ),
+ // Only defining an ID for JS objects if its cache already exists allows
+ // the code to shortcut on the same path as a DOM node with no cache
+ id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey;
- // 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 ) {
- elem = elem.nodeType ? jQuery.cache[ elem[jQuery.expando] ] : elem[ jQuery.expando ];
- return !!elem && !isEmptyDataObject( elem );
- },
+ // Avoid doing any more work than we need to when trying to get data on an
+ // object that has no data at all
+ if ( (!id || !cache[id] || (!pvt && !cache[id].data)) && getByName && data === undefined ) {
+ return;
+ }
- data: function( elem, name, data, pvt /* Internal Use Only */ ) {
- if ( !jQuery.acceptData( elem ) ) {
- return;
+ if ( !id ) {
+ // Only DOM nodes need a new unique ID for each element since their data
+ // ends up in the global cache
+ if ( isNode ) {
+ elem[ internalKey ] = id = jQuery.deletedIds.pop() || jQuery.guid++;
+ } else {
+ id = internalKey;
}
+ }
- var thisCache, ret,
- internalKey = jQuery.expando,
- getByName = typeof name === "string",
-
- // We have to handle DOM nodes and JS objects differently because IE6-7
- // can't GC object references properly across the DOM-JS boundary
- isNode = elem.nodeType,
-
- // Only DOM nodes need the global jQuery cache; JS object data is
- // attached directly to the object so GC can occur automatically
- cache = isNode ? jQuery.cache : elem,
-
- // Only defining an ID for JS objects if its cache already exists allows
- // the code to shortcut on the same path as a DOM node with no cache
- id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey;
+ if ( !cache[ id ] ) {
+ cache[ id ] = {};
- // Avoid doing any more work than we need to when trying to get data on an
- // object that has no data at all
- if ( (!id || !cache[id] || (!pvt && !cache[id].data)) && getByName && data === undefined ) {
- return;
+ // Avoids exposing jQuery metadata on plain JS objects when the object
+ // is serialized using JSON.stringify
+ if ( !isNode ) {
+ cache[ id ].toJSON = jQuery.noop;
}
+ }
- if ( !id ) {
- // Only DOM nodes need a new unique ID for each element since their data
- // ends up in the global cache
- if ( isNode ) {
- elem[ internalKey ] = id = jQuery.deletedIds.pop() || jQuery.guid++;
- } else {
- id = internalKey;
- }
+ // An object can be passed to jQuery.data instead of a key/value pair; this gets
+ // shallow copied over onto the existing cache
+ if ( typeof name === "object" || typeof name === "function" ) {
+ if ( pvt ) {
+ cache[ id ] = jQuery.extend( cache[ id ], name );
+ } else {
+ cache[ id ].data = jQuery.extend( cache[ id ].data, name );
}
+ }
- if ( !cache[ id ] ) {
- cache[ id ] = {};
+ thisCache = cache[ id ];
- // Avoids exposing jQuery metadata on plain JS objects when the object
- // is serialized using JSON.stringify
- if ( !isNode ) {
- cache[ id ].toJSON = jQuery.noop;
- }
+ // jQuery data() is stored in a separate object inside the object's internal data
+ // cache in order to avoid key collisions between internal data and user-defined
+ // data.
+ if ( !pvt ) {
+ if ( !thisCache.data ) {
+ thisCache.data = {};
}
- // An object can be passed to jQuery.data instead of a key/value pair; this gets
- // shallow copied over onto the existing cache
- if ( typeof name === "object" || typeof name === "function" ) {
- if ( pvt ) {
- cache[ id ] = jQuery.extend( cache[ id ], name );
- } else {
- cache[ id ].data = jQuery.extend( cache[ id ].data, name );
- }
- }
-
- thisCache = cache[ id ];
-
- // jQuery data() is stored in a separate object inside the object's internal data
- // cache in order to avoid key collisions between internal data and user-defined
- // data.
- if ( !pvt ) {
- if ( !thisCache.data ) {
- thisCache.data = {};
- }
-
- thisCache = thisCache.data;
- }
+ thisCache = thisCache.data;
+ }
- if ( data !== undefined ) {
- thisCache[ jQuery.camelCase( name ) ] = data;
- }
+ if ( data !== undefined ) {
+ thisCache[ jQuery.camelCase( name ) ] = data;
+ }
- // Check for both converted-to-camel and non-converted data property names
- // If a data property was specified
- if ( getByName ) {
+ // Check for both converted-to-camel and non-converted data property names
+ // If a data property was specified
+ if ( getByName ) {
- // First Try to find as-is property data
- ret = thisCache[ name ];
+ // First Try to find as-is property data
+ ret = thisCache[ name ];
- // Test for null|undefined property data
- if ( ret == null ) {
+ // Test for null|undefined property data
+ if ( ret == null ) {
- // Try to find the camelCased property
- ret = thisCache[ jQuery.camelCase( name ) ];
- }
- } else {
- ret = thisCache;
+ // Try to find the camelCased property
+ ret = thisCache[ jQuery.camelCase( name ) ];
}
+ } else {
+ ret = thisCache;
+ }
- return ret;
- },
+ return ret;
+}
- removeData: function( elem, name, pvt /* Internal Use Only */ ) {
- if ( !jQuery.acceptData( elem ) ) {
- return;
- }
+function internalRemoveData( elem, name, pvt /* For internal use only */ ){
+ if ( !jQuery.acceptData( elem ) ) {
+ return;
+ }
- var thisCache, i, l,
+ var thisCache, i, l,
- isNode = elem.nodeType,
+ isNode = elem.nodeType,
- // See jQuery.data for more information
- cache = isNode ? jQuery.cache : elem,
- id = isNode ? elem[ jQuery.expando ] : jQuery.expando;
+ // See jQuery.data for more information
+ cache = isNode ? jQuery.cache : elem,
+ id = isNode ? elem[ jQuery.expando ] : jQuery.expando;
- // If there is already no cache entry for this object, there is no
- // purpose in continuing
- if ( !cache[ id ] ) {
- return;
- }
+ // If there is already no cache entry for this object, there is no
+ // purpose in continuing
+ if ( !cache[ id ] ) {
+ return;
+ }
- if ( name ) {
+ if ( name ) {
- thisCache = pvt ? cache[ id ] : cache[ id ].data;
+ thisCache = pvt ? cache[ id ] : cache[ id ].data;
- if ( thisCache ) {
+ if ( thisCache ) {
- // Support array or space separated string names for data keys
- if ( !jQuery.isArray( name ) ) {
+ // Support array or space separated string names for data keys
+ if ( !jQuery.isArray( name ) ) {
- // try the string as a key before any manipulation
+ // try the string as a key before any manipulation
+ if ( name in thisCache ) {
+ name = [ name ];
+ } else {
+
+ // split the camel cased version by spaces unless a key with the spaces exists
+ name = jQuery.camelCase( name );
if ( name in thisCache ) {
name = [ name ];
} else {
-
- // split the camel cased version by spaces unless a key with the spaces exists
- name = jQuery.camelCase( name );
- if ( name in thisCache ) {
- name = [ name ];
- } else {
- name = name.split(" ");
- }
+ name = name.split(" ");
}
}
+ }
- for ( i = 0, l = name.length; i < l; i++ ) {
- delete thisCache[ name[i] ];
- }
+ for ( i = 0, l = name.length; i < l; i++ ) {
+ delete thisCache[ name[i] ];
+ }
- // If there is no data left in the cache, we want to continue
- // and let the cache object itself get destroyed
- if ( !( pvt ? isEmptyDataObject : jQuery.isEmptyObject )( thisCache ) ) {
- return;
- }
+ // If there is no data left in the cache, we want to continue
+ // and let the cache object itself get destroyed
+ if ( !( pvt ? isEmptyDataObject : jQuery.isEmptyObject )( thisCache ) ) {
+ return;
}
}
+ }
- // See jQuery.data for more information
- if ( !pvt ) {
- delete cache[ id ].data;
+ // See jQuery.data for more information
+ if ( !pvt ) {
+ delete cache[ id ].data;
- // Don't destroy the parent cache unless the internal data object
- // had been the only thing left in it
- if ( !isEmptyDataObject( cache[ id ] ) ) {
- return;
- }
+ // Don't destroy the parent cache unless the internal data object
+ // had been the only thing left in it
+ if ( !isEmptyDataObject( cache[ id ] ) ) {
+ return;
}
+ }
- // Destroy the cache
- if ( isNode ) {
- jQuery.cleanData( [ elem ], true );
+ // Destroy the cache
+ if ( isNode ) {
+ jQuery.cleanData( [ elem ], true );
- // Use delete when supported for expandos or `cache` is not a window per isWindow (#10080)
- } else if ( jQuery.support.deleteExpando || cache != cache.window ) {
- delete cache[ id ];
+ // Use delete when supported for expandos or `cache` is not a window per isWindow (#10080)
+ } else if ( jQuery.support.deleteExpando || cache != cache.window ) {
+ delete cache[ id ];
- // When all else fails, null
- } else {
- cache[ id ] = null;
- }
+ // When all else fails, null
+ } else {
+ cache[ id ] = null;
+ }
+}
+
+jQuery.extend({
+ cache: {},
+
+ deletedIds: [],
+
+ // Remove at next major release (1.9/2.0)
+ 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 ) {
+ elem = elem.nodeType ? jQuery.cache[ elem[jQuery.expando] ] : elem[ jQuery.expando ];
+ return !!elem && !isEmptyDataObject( elem );
+ },
+
+ data: function( elem, name, data ) {
+ return internalData( elem, name, data, false );
+ },
+
+ removeData: function( elem, name ) {
+ return internalRemoveData( elem, name, false );
},
// For internal use only.
_data: function( elem, name, data ) {
- return jQuery.data( elem, name, data, true );
+ return internalData( elem, name, data, true );
+ },
+
+ _removeData: function( elem, name ) {
+ return internalRemoveData( elem, name, true );
},
// A method for determining if a DOM node can handle the data expando
}
var oldCacheLength, dataObj, internalDataObj, expected, actual;
-
+
equal( jQuery.data(elem, "foo"), undefined, "No data exists initially" );
strictEqual( jQuery.hasData(elem), false, "jQuery.hasData agrees no data exists initially" );
strictEqual( jQuery.data(elem, "foo"), "foo1", "Passing an object extends the data object instead of replacing it" );
equal( jQuery.data(elem, "boom"), "bloz", "Extending the data object works" );
- jQuery._data(elem, "foo", "foo2");
+ jQuery._data(elem, "foo", "foo2", true);
equal( jQuery._data(elem, "foo"), "foo2", "Setting internal data works" );
equal( jQuery.data(elem, "foo"), "foo1", "Setting internal data does not override user data" );
jQuery.removeData(elem);
strictEqual( jQuery._data(elem), internalDataObj, "jQuery.removeData does not remove internal data if it exists" );
- jQuery.removeData(elem, undefined, true);
+ jQuery._removeData(elem);
- strictEqual( jQuery.data(elem, jQuery.expando), undefined, "jQuery.removeData on internal data works" );
+ strictEqual( jQuery._data(elem, jQuery.expando), undefined, "jQuery.removeData on internal data works" );
strictEqual( jQuery.hasData(elem), false, "jQuery.hasData agrees all data has been removed from object" );
jQuery._data(elem, "foo", "foo2");
// delete the last private data key so we can test removing public data
// will destroy the cache
- jQuery.removeData( elem, "foo", true );
+ jQuery._removeData( elem, "foo" );
if (elem.nodeType) {
oldCacheLength = getCacheLength();
equal( jQuery.data(elem, "foo"), "foo1", "(sanity check) Ensure data is set in user data object" );
equal( jQuery._data(elem, "foo"), "foo2", "(sanity check) Ensure data is set in internal data object" );
- jQuery.removeData(elem, "foo", true);
+ jQuery._removeData(elem, "foo");
- strictEqual( jQuery.data(elem, jQuery.expando), undefined, "Removing the last item in internal data destroys the internal data object" );
+ strictEqual( jQuery._data(elem, jQuery.expando), undefined, "Removing the last item in internal data destroys the internal data object" );
jQuery._data(elem, "foo", "foo2");
equal( jQuery._data(elem, "foo"), "foo2", "(sanity check) Ensure data is set in internal data object" );
if ( elem.nodeType ) {
oldCacheLength = getCacheLength();
- jQuery.removeData(elem, "foo", true);
+ jQuery._removeData(elem, "foo");
equal( getCacheLength(), oldCacheLength - 1, "Removing the last item in the internal data object also destroys the user data object when it is empty" );
}
else {
- jQuery.removeData(elem, "foo", true);
+ jQuery._removeData(elem, "foo");
if (jQuery.support.deleteExpando) {
expected = false;
projects / jquery.git / commitdiff