Thu, 22 Jan 2015 13:21:57 +0100
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/. */
6 #include "txExpr.h"
7 #include "txNodeSet.h"
8 #include "txIXPathContext.h"
9 #include "txXPathTreeWalker.h"
11 /**
12 * Evaluates this Expr based on the given context node and processor state
13 * @param context the context node for evaluation of this Expr
14 * @param ps the ContextState containing the stack information needed
15 * for evaluation
16 * @return the result of the evaluation
17 **/
18 nsresult
19 RootExpr::evaluate(txIEvalContext* aContext, txAExprResult** aResult)
20 {
21 txXPathTreeWalker walker(aContext->getContextNode());
22 walker.moveToRoot();
24 return aContext->recycler()->getNodeSet(walker.getCurrentPosition(),
25 aResult);
26 }
28 TX_IMPL_EXPR_STUBS_0(RootExpr, NODESET_RESULT)
30 bool
31 RootExpr::isSensitiveTo(ContextSensitivity aContext)
32 {
33 return !!(aContext & NODE_CONTEXT);
34 }
36 #ifdef TX_TO_STRING
37 void
38 RootExpr::toString(nsAString& dest)
39 {
40 if (mSerialize)
41 dest.Append(char16_t('/'));
42 }
43 #endif