-
-
Notifications
You must be signed in to change notification settings - Fork 8.3k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Actually get the buck build green again.
- Loading branch information
Showing
3 changed files
with
262 additions
and
0 deletions.
There are no files selected for viewing
45 changes: 45 additions & 0 deletions
45
third_party/closure/goog/storage/mechanism/html5localstorage.js
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,45 @@ | ||
// Copyright 2011 The Closure Library Authors. All Rights Reserved. | ||
// | ||
// Licensed under the Apache License, Version 2.0 (the "License"); | ||
// you may not use this file except in compliance with the License. | ||
// You may obtain a copy of the License at | ||
// | ||
// http://www.apache.org/licenses/LICENSE-2.0 | ||
// | ||
// Unless required by applicable law or agreed to in writing, software | ||
// distributed under the License is distributed on an "AS-IS" BASIS, | ||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
// See the License for the specific language governing permissions and | ||
// limitations under the License. | ||
|
||
/** | ||
* @fileoverview Provides data persistence using HTML5 local storage | ||
* mechanism. Local storage must be available under window.localStorage, | ||
* see: http://www.w3.org/TR/webstorage/#the-localstorage-attribute. | ||
* | ||
*/ | ||
|
||
goog.provide('goog.storage.mechanism.HTML5LocalStorage'); | ||
|
||
goog.require('goog.storage.mechanism.HTML5WebStorage'); | ||
|
||
|
||
|
||
/** | ||
* Provides a storage mechanism that uses HTML5 local storage. | ||
* | ||
* @constructor | ||
* @extends {goog.storage.mechanism.HTML5WebStorage} | ||
*/ | ||
goog.storage.mechanism.HTML5LocalStorage = function() { | ||
var storage = null; | ||
/** @preserveTry */ | ||
try { | ||
// May throw an exception in cases where the local storage object | ||
// is visible but access to it is disabled. | ||
storage = window.localStorage || null; | ||
} catch (e) {} | ||
goog.storage.mechanism.HTML5LocalStorage.base(this, 'constructor', storage); | ||
}; | ||
goog.inherits(goog.storage.mechanism.HTML5LocalStorage, | ||
goog.storage.mechanism.HTML5WebStorage); |
46 changes: 46 additions & 0 deletions
46
third_party/closure/goog/storage/mechanism/html5sessionstorage.js
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,46 @@ | ||
// Copyright 2011 The Closure Library Authors. All Rights Reserved. | ||
// | ||
// Licensed under the Apache License, Version 2.0 (the "License"); | ||
// you may not use this file except in compliance with the License. | ||
// You may obtain a copy of the License at | ||
// | ||
// http://www.apache.org/licenses/LICENSE-2.0 | ||
// | ||
// Unless required by applicable law or agreed to in writing, software | ||
// distributed under the License is distributed on an "AS-IS" BASIS, | ||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
// See the License for the specific language governing permissions and | ||
// limitations under the License. | ||
|
||
/** | ||
* @fileoverview Provides data persistence using HTML5 session storage | ||
* mechanism. Session storage must be available under window.sessionStorage, | ||
* see: http://www.w3.org/TR/webstorage/#the-sessionstorage-attribute. | ||
* | ||
*/ | ||
|
||
goog.provide('goog.storage.mechanism.HTML5SessionStorage'); | ||
|
||
goog.require('goog.storage.mechanism.HTML5WebStorage'); | ||
|
||
|
||
|
||
/** | ||
* Provides a storage mechanism that uses HTML5 session storage. | ||
* | ||
* @constructor | ||
* @extends {goog.storage.mechanism.HTML5WebStorage} | ||
*/ | ||
goog.storage.mechanism.HTML5SessionStorage = function() { | ||
var storage = null; | ||
/** @preserveTry */ | ||
try { | ||
// May throw an exception in cases where the session storage object is | ||
// visible but access to it is disabled. For example, accessing the file | ||
// in local mode in Firefox throws 'Operation is not supported' exception. | ||
storage = window.sessionStorage || null; | ||
} catch (e) {} | ||
goog.storage.mechanism.HTML5SessionStorage.base(this, 'constructor', storage); | ||
}; | ||
goog.inherits(goog.storage.mechanism.HTML5SessionStorage, | ||
goog.storage.mechanism.HTML5WebStorage); |
171 changes: 171 additions & 0 deletions
171
third_party/closure/goog/storage/mechanism/html5webstorage.js
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,171 @@ | ||
// Copyright 2011 The Closure Library Authors. All Rights Reserved. | ||
// | ||
// Licensed under the Apache License, Version 2.0 (the "License"); | ||
// you may not use this file except in compliance with the License. | ||
// You may obtain a copy of the License at | ||
// | ||
// http://www.apache.org/licenses/LICENSE-2.0 | ||
// | ||
// Unless required by applicable law or agreed to in writing, software | ||
// distributed under the License is distributed on an "AS-IS" BASIS, | ||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
// See the License for the specific language governing permissions and | ||
// limitations under the License. | ||
|
||
/** | ||
* @fileoverview Base class that implements functionality common | ||
* across both session and local web storage mechanisms. | ||
* | ||
*/ | ||
|
||
goog.provide('goog.storage.mechanism.HTML5WebStorage'); | ||
|
||
goog.require('goog.asserts'); | ||
goog.require('goog.iter.Iterator'); | ||
goog.require('goog.iter.StopIteration'); | ||
goog.require('goog.storage.mechanism.ErrorCode'); | ||
goog.require('goog.storage.mechanism.IterableMechanism'); | ||
|
||
|
||
|
||
/** | ||
* Provides a storage mechanism that uses HTML5 Web storage. | ||
* | ||
* @param {Storage} storage The Web storage object. | ||
* @constructor | ||
* @extends {goog.storage.mechanism.IterableMechanism} | ||
*/ | ||
goog.storage.mechanism.HTML5WebStorage = function(storage) { | ||
goog.storage.mechanism.HTML5WebStorage.base(this, 'constructor'); | ||
|
||
/** | ||
* The web storage object (window.localStorage or window.sessionStorage). | ||
* @private {Storage} | ||
*/ | ||
this.storage_ = storage; | ||
}; | ||
goog.inherits(goog.storage.mechanism.HTML5WebStorage, | ||
goog.storage.mechanism.IterableMechanism); | ||
|
||
|
||
/** | ||
* The key used to check if the storage instance is available. | ||
* @private {string} | ||
* @const | ||
*/ | ||
goog.storage.mechanism.HTML5WebStorage.STORAGE_AVAILABLE_KEY_ = '__sak'; | ||
|
||
|
||
/** | ||
* Determines whether or not the mechanism is available. | ||
* It works only if the provided web storage object exists and is enabled. | ||
* | ||
* @return {boolean} True if the mechanism is available. | ||
*/ | ||
goog.storage.mechanism.HTML5WebStorage.prototype.isAvailable = function() { | ||
if (!this.storage_) { | ||
return false; | ||
} | ||
/** @preserveTry */ | ||
try { | ||
// setItem will throw an exception if we cannot access WebStorage (e.g., | ||
// Safari in private mode). | ||
this.storage_.setItem( | ||
goog.storage.mechanism.HTML5WebStorage.STORAGE_AVAILABLE_KEY_, '1'); | ||
this.storage_.removeItem( | ||
goog.storage.mechanism.HTML5WebStorage.STORAGE_AVAILABLE_KEY_); | ||
return true; | ||
} catch (e) { | ||
return false; | ||
} | ||
}; | ||
|
||
|
||
/** @override */ | ||
goog.storage.mechanism.HTML5WebStorage.prototype.set = function(key, value) { | ||
/** @preserveTry */ | ||
try { | ||
// May throw an exception if storage quota is exceeded. | ||
this.storage_.setItem(key, value); | ||
} catch (e) { | ||
// In Safari Private mode, conforming to the W3C spec, invoking | ||
// Storage.prototype.setItem will allways throw a QUOTA_EXCEEDED_ERR | ||
// exception. Since it's impossible to verify if we're in private browsing | ||
// mode, we throw a different exception if the storage is empty. | ||
if (this.storage_.length == 0) { | ||
throw goog.storage.mechanism.ErrorCode.STORAGE_DISABLED; | ||
} else { | ||
throw goog.storage.mechanism.ErrorCode.QUOTA_EXCEEDED; | ||
} | ||
} | ||
}; | ||
|
||
|
||
/** @override */ | ||
goog.storage.mechanism.HTML5WebStorage.prototype.get = function(key) { | ||
// According to W3C specs, values can be of any type. Since we only save | ||
// strings, any other type is a storage error. If we returned nulls for | ||
// such keys, i.e., treated them as non-existent, this would lead to a | ||
// paradox where a key exists, but it does not when it is retrieved. | ||
// http://www.w3.org/TR/2009/WD-webstorage-20091029/#the-storage-interface | ||
var value = this.storage_.getItem(key); | ||
if (!goog.isString(value) && !goog.isNull(value)) { | ||
throw goog.storage.mechanism.ErrorCode.INVALID_VALUE; | ||
} | ||
return value; | ||
}; | ||
|
||
|
||
/** @override */ | ||
goog.storage.mechanism.HTML5WebStorage.prototype.remove = function(key) { | ||
this.storage_.removeItem(key); | ||
}; | ||
|
||
|
||
/** @override */ | ||
goog.storage.mechanism.HTML5WebStorage.prototype.getCount = function() { | ||
return this.storage_.length; | ||
}; | ||
|
||
|
||
/** @override */ | ||
goog.storage.mechanism.HTML5WebStorage.prototype.__iterator__ = function( | ||
opt_keys) { | ||
var i = 0; | ||
var storage = this.storage_; | ||
var newIter = new goog.iter.Iterator(); | ||
newIter.next = function() { | ||
if (i >= storage.length) { | ||
throw goog.iter.StopIteration; | ||
} | ||
var key = goog.asserts.assertString(storage.key(i++)); | ||
if (opt_keys) { | ||
return key; | ||
} | ||
var value = storage.getItem(key); | ||
// The value must exist and be a string, otherwise it is a storage error. | ||
if (!goog.isString(value)) { | ||
throw goog.storage.mechanism.ErrorCode.INVALID_VALUE; | ||
} | ||
return value; | ||
}; | ||
return newIter; | ||
}; | ||
|
||
|
||
/** @override */ | ||
goog.storage.mechanism.HTML5WebStorage.prototype.clear = function() { | ||
this.storage_.clear(); | ||
}; | ||
|
||
|
||
/** | ||
* Gets the key for a given key index. If an index outside of | ||
* [0..this.getCount()) is specified, this function returns null. | ||
* @param {number} index A key index. | ||
* @return {?string} A storage key, or null if the specified index is out of | ||
* range. | ||
*/ | ||
goog.storage.mechanism.HTML5WebStorage.prototype.key = function(index) { | ||
return this.storage_.key(index); | ||
}; |