1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/xslt/xpath/txPredicatedNodeTest.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,57 @@
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 "txExprResult.h"
1.11 +#include "txSingleNodeContext.h"
1.12 +
1.13 +txPredicatedNodeTest::txPredicatedNodeTest(txNodeTest* aNodeTest,
1.14 + Expr* aPredicate)
1.15 + : mNodeTest(aNodeTest),
1.16 + mPredicate(aPredicate)
1.17 +{
1.18 + NS_ASSERTION(!mPredicate->isSensitiveTo(Expr::NODESET_CONTEXT),
1.19 + "predicate must not be context-nodeset-sensitive");
1.20 +}
1.21 +
1.22 +bool
1.23 +txPredicatedNodeTest::matches(const txXPathNode& aNode,
1.24 + txIMatchContext* aContext)
1.25 +{
1.26 + if (!mNodeTest->matches(aNode, aContext)) {
1.27 + return false;
1.28 + }
1.29 +
1.30 + txSingleNodeContext context(aNode, aContext);
1.31 + nsRefPtr<txAExprResult> res;
1.32 + nsresult rv = mPredicate->evaluate(&context, getter_AddRefs(res));
1.33 + NS_ENSURE_SUCCESS(rv, false);
1.34 +
1.35 + return res->booleanValue();
1.36 +}
1.37 +
1.38 +double
1.39 +txPredicatedNodeTest::getDefaultPriority()
1.40 +{
1.41 + return 0.5;
1.42 +}
1.43 +
1.44 +bool
1.45 +txPredicatedNodeTest::isSensitiveTo(Expr::ContextSensitivity aContext)
1.46 +{
1.47 + return mNodeTest->isSensitiveTo(aContext) ||
1.48 + mPredicate->isSensitiveTo(aContext);
1.49 +}
1.50 +
1.51 +#ifdef TX_TO_STRING
1.52 +void
1.53 +txPredicatedNodeTest::toString(nsAString& aDest)
1.54 +{
1.55 + mNodeTest->toString(aDest);
1.56 + aDest.Append(char16_t('['));
1.57 + mPredicate->toString(aDest);
1.58 + aDest.Append(char16_t(']'));
1.59 +}
1.60 +#endif
