1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/xslt/xpath/txRootExpr.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,43 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "txExpr.h"
1.10 +#include "txNodeSet.h"
1.11 +#include "txIXPathContext.h"
1.12 +#include "txXPathTreeWalker.h"
1.13 +
1.14 +/**
1.15 + * Evaluates this Expr based on the given context node and processor state
1.16 + * @param context the context node for evaluation of this Expr
1.17 + * @param ps the ContextState containing the stack information needed
1.18 + * for evaluation
1.19 + * @return the result of the evaluation
1.20 +**/
1.21 +nsresult
1.22 +RootExpr::evaluate(txIEvalContext* aContext, txAExprResult** aResult)
1.23 +{
1.24 + txXPathTreeWalker walker(aContext->getContextNode());
1.25 + walker.moveToRoot();
1.26 +
1.27 + return aContext->recycler()->getNodeSet(walker.getCurrentPosition(),
1.28 + aResult);
1.29 +}
1.30 +
1.31 +TX_IMPL_EXPR_STUBS_0(RootExpr, NODESET_RESULT)
1.32 +
1.33 +bool
1.34 +RootExpr::isSensitiveTo(ContextSensitivity aContext)
1.35 +{
1.36 + return !!(aContext & NODE_CONTEXT);
1.37 +}
1.38 +
1.39 +#ifdef TX_TO_STRING
1.40 +void
1.41 +RootExpr::toString(nsAString& dest)
1.42 +{
1.43 + if (mSerialize)
1.44 + dest.Append(char16_t('/'));
1.45 +}
1.46 +#endif
