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103 lines
3.6 KiB
Plaintext
103 lines
3.6 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Corporation
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* Portions created by the Initial Developer are Copyright (C) 2008
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Jan Bambas <honzab@firemni.cz>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "domstubs.idl"
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/**
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* Interface for client side storage. See
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* http://www.whatwg.org/specs/web-apps/current-work/multipage/structured.html#storage0
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* for more information.
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*
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* A storage object stores an arbitrary set of key-value pairs, which
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* may be retrieved, modified and removed as needed. A key may only
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* exist once within a storage object, and only one value may be
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* associated with a particular key. Keys are stored in a particular
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* order with the condition that this order not change by merely changing
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* the value associated with a key, but the order may change when a
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* key is added or removed.
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*/
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[scriptable, uuid(43E5EDAD-1E02-42c4-9D99-C3D9DEE22A20)]
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interface nsIDOMStorage : nsISupports
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{
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/**
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* The number of keys stored.
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*/
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readonly attribute unsigned long length;
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/**
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* Retrieve the name of the key at a particular index.
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*
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* @param index index of the item to retrieve
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* @returns the key at index
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* @throws INDEX_SIZE_ERR if there is no key at that index
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*/
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DOMString key(in unsigned long index);
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/**
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* Retrieve an item with a given key
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*
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* @param key key to retrieve
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* @returns found data or empty string if the key was not found
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*/
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DOMString getItem(in DOMString key);
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/**
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* Assign a value with a key. If the key does not exist already, a new
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* key is added associated with that value. If the key already exists,
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* then the existing value is replaced with a new value.
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*
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* @param key key to set
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* @param data data to associate with the key
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*/
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void setItem(in DOMString key, in DOMString data);
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/**
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* Remove a key and its corresponding value.
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*
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* @param key key to remove
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*/
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void removeItem(in DOMString key);
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/**
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* Clear the content of this storage bound to a domain
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* or an origin.
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*/
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void clear();
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};
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