xpcom/ds/nsIProperties.idl

changeset 0
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1 /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5
6 #include "nsISupports.idl"
7
8 /*
9 * Simple mapping service interface.
10 */
11
12 [scriptable, uuid(78650582-4e93-4b60-8e85-26ebd3eb14ca)]
13 interface nsIProperties : nsISupports
14 {
15 /**
16 * Gets a property with a given name.
17 *
18 * @throws NS_ERROR_FAILURE if a property with that name doesn't exist.
19 * @throws NS_ERROR_NO_INTERFACE if the found property fails to QI to the
20 * given iid.
21 */
22 void get(in string prop, in nsIIDRef iid,
23 [iid_is(iid),retval] out nsQIResult result);
24
25 /**
26 * Sets a property with a given name to a given value.
27 */
28 void set(in string prop, in nsISupports value);
29
30 /**
31 * Returns true if the property with the given name exists.
32 */
33 boolean has(in string prop);
34
35 /**
36 * Undefines a property.
37 * @throws NS_ERROR_FAILURE if a property with that name doesn't
38 * already exist.
39 */
40 void undefine(in string prop);
41
42 /**
43 * Returns an array of the keys.
44 */
45 void getKeys(out uint32_t count, [array, size_is(count), retval] out string keys);
46 };

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