Initial OpenECOMP policy/engine commit
[policy/engine.git] / ecomp-sdk-app / src / main / webapp / app / policyApp / libs / bower_components / jquery / src / data / Data.js
1 define([
2         "../core",
3         "../var/rnotwhite",
4         "./accepts"
5 ], function( jQuery, rnotwhite ) {
6
7 function Data() {
8         // Support: Android<4,
9         // Old WebKit does not have Object.preventExtensions/freeze method,
10         // return new empty object instead with no [[set]] accessor
11         Object.defineProperty( this.cache = {}, 0, {
12                 get: function() {
13                         return {};
14                 }
15         });
16
17         this.expando = jQuery.expando + Data.uid++;
18 }
19
20 Data.uid = 1;
21 Data.accepts = jQuery.acceptData;
22
23 Data.prototype = {
24         key: function( owner ) {
25                 // We can accept data for non-element nodes in modern browsers,
26                 // but we should not, see #8335.
27                 // Always return the key for a frozen object.
28                 if ( !Data.accepts( owner ) ) {
29                         return 0;
30                 }
31
32                 var descriptor = {},
33                         // Check if the owner object already has a cache key
34                         unlock = owner[ this.expando ];
35
36                 // If not, create one
37                 if ( !unlock ) {
38                         unlock = Data.uid++;
39
40                         // Secure it in a non-enumerable, non-writable property
41                         try {
42                                 descriptor[ this.expando ] = { value: unlock };
43                                 Object.defineProperties( owner, descriptor );
44
45                         // Support: Android<4
46                         // Fallback to a less secure definition
47                         } catch ( e ) {
48                                 descriptor[ this.expando ] = unlock;
49                                 jQuery.extend( owner, descriptor );
50                         }
51                 }
52
53                 // Ensure the cache object
54                 if ( !this.cache[ unlock ] ) {
55                         this.cache[ unlock ] = {};
56                 }
57
58                 return unlock;
59         },
60         set: function( owner, data, value ) {
61                 var prop,
62                         // There may be an unlock assigned to this node,
63                         // if there is no entry for this "owner", create one inline
64                         // and set the unlock as though an owner entry had always existed
65                         unlock = this.key( owner ),
66                         cache = this.cache[ unlock ];
67
68                 // Handle: [ owner, key, value ] args
69                 if ( typeof data === "string" ) {
70                         cache[ data ] = value;
71
72                 // Handle: [ owner, { properties } ] args
73                 } else {
74                         // Fresh assignments by object are shallow copied
75                         if ( jQuery.isEmptyObject( cache ) ) {
76                                 jQuery.extend( this.cache[ unlock ], data );
77                         // Otherwise, copy the properties one-by-one to the cache object
78                         } else {
79                                 for ( prop in data ) {
80                                         cache[ prop ] = data[ prop ];
81                                 }
82                         }
83                 }
84                 return cache;
85         },
86         get: function( owner, key ) {
87                 // Either a valid cache is found, or will be created.
88                 // New caches will be created and the unlock returned,
89                 // allowing direct access to the newly created
90                 // empty data object. A valid owner object must be provided.
91                 var cache = this.cache[ this.key( owner ) ];
92
93                 return key === undefined ?
94                         cache : cache[ key ];
95         },
96         access: function( owner, key, value ) {
97                 var stored;
98                 // In cases where either:
99                 //
100                 //   1. No key was specified
101                 //   2. A string key was specified, but no value provided
102                 //
103                 // Take the "read" path and allow the get method to determine
104                 // which value to return, respectively either:
105                 //
106                 //   1. The entire cache object
107                 //   2. The data stored at the key
108                 //
109                 if ( key === undefined ||
110                                 ((key && typeof key === "string") && value === undefined) ) {
111
112                         stored = this.get( owner, key );
113
114                         return stored !== undefined ?
115                                 stored : this.get( owner, jQuery.camelCase(key) );
116                 }
117
118                 // [*]When the key is not a string, or both a key and value
119                 // are specified, set or extend (existing objects) with either:
120                 //
121                 //   1. An object of properties
122                 //   2. A key and value
123                 //
124                 this.set( owner, key, value );
125
126                 // Since the "set" path can have two possible entry points
127                 // return the expected data based on which path was taken[*]
128                 return value !== undefined ? value : key;
129         },
130         remove: function( owner, key ) {
131                 var i, name, camel,
132                         unlock = this.key( owner ),
133                         cache = this.cache[ unlock ];
134
135                 if ( key === undefined ) {
136                         this.cache[ unlock ] = {};
137
138                 } else {
139                         // Support array or space separated string of keys
140                         if ( jQuery.isArray( key ) ) {
141                                 // If "name" is an array of keys...
142                                 // When data is initially created, via ("key", "val") signature,
143                                 // keys will be converted to camelCase.
144                                 // Since there is no way to tell _how_ a key was added, remove
145                                 // both plain key and camelCase key. #12786
146                                 // This will only penalize the array argument path.
147                                 name = key.concat( key.map( jQuery.camelCase ) );
148                         } else {
149                                 camel = jQuery.camelCase( key );
150                                 // Try the string as a key before any manipulation
151                                 if ( key in cache ) {
152                                         name = [ key, camel ];
153                                 } else {
154                                         // If a key with the spaces exists, use it.
155                                         // Otherwise, create an array by matching non-whitespace
156                                         name = camel;
157                                         name = name in cache ?
158                                                 [ name ] : ( name.match( rnotwhite ) || [] );
159                                 }
160                         }
161
162                         i = name.length;
163                         while ( i-- ) {
164                                 delete cache[ name[ i ] ];
165                         }
166                 }
167         },
168         hasData: function( owner ) {
169                 return !jQuery.isEmptyObject(
170                         this.cache[ owner[ this.expando ] ] || {}
171                 );
172         },
173         discard: function( owner ) {
174                 if ( owner[ this.expando ] ) {
175                         delete this.cache[ owner[ this.expando ] ];
176                 }
177         }
178 };
179
180 return Data;
181 });