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 file,
4 * You can obtain one at http://mozilla.org/MPL/2.0/.
8 interface XPathExpression {
9 // The result specifies a specific result object which may be reused and
10 // returned by this method. If this is specified as null or it's not an
11 // XPathResult object, a new result object will be constructed and returned.
13 XPathResult evaluate(Node contextNode,
14 optional unsigned short type = 0 /* XPathResult.ANY_TYPE */,
15 optional object? result = null);
17 // The result specifies a specific result object which may be reused and
18 // returned by this method. If this is specified as null or it's not an
19 // XPathResult object, a new result object will be constructed and returned.
21 XPathResult evaluateWithContext(Node contextNode,
22 unsigned long contextPosition,
23 unsigned long contextSize,
24 optional unsigned short type = 0 /* XPathResult.ANY_TYPE */,
25 optional object? result = null);