зеркало из https://github.com/mozilla/gecko-dev.git
69 строки
2.1 KiB
Plaintext
69 строки
2.1 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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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, null 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([Null(Stringify)] 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([Null(Stringify)] in DOMString key, [Null(Stringify)] 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([Null(Stringify)] 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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