1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/xslt/xpath/txNamedAttributeStep.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,64 @@
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 "nsIAtom.h"
1.10 +#include "txIXPathContext.h"
1.11 +#include "txNodeSet.h"
1.12 +#include "txExpr.h"
1.13 +#include "txXPathTreeWalker.h"
1.14 +
1.15 +txNamedAttributeStep::txNamedAttributeStep(int32_t aNsID,
1.16 + nsIAtom* aPrefix,
1.17 + nsIAtom* aLocalName)
1.18 + : mNamespace(aNsID),
1.19 + mPrefix(aPrefix),
1.20 + mLocalName(aLocalName)
1.21 +{
1.22 +}
1.23 +
1.24 +nsresult
1.25 +txNamedAttributeStep::evaluate(txIEvalContext* aContext,
1.26 + txAExprResult** aResult)
1.27 +{
1.28 + *aResult = nullptr;
1.29 +
1.30 + nsRefPtr<txNodeSet> nodes;
1.31 + nsresult rv = aContext->recycler()->getNodeSet(getter_AddRefs(nodes));
1.32 + NS_ENSURE_SUCCESS(rv, rv);
1.33 +
1.34 + txXPathTreeWalker walker(aContext->getContextNode());
1.35 + if (walker.moveToNamedAttribute(mLocalName, mNamespace)) {
1.36 + rv = nodes->append(walker.getCurrentPosition());
1.37 + NS_ENSURE_SUCCESS(rv, rv);
1.38 + }
1.39 + NS_ADDREF(*aResult = nodes);
1.40 +
1.41 + return NS_OK;
1.42 +}
1.43 +
1.44 +TX_IMPL_EXPR_STUBS_0(txNamedAttributeStep, NODESET_RESULT)
1.45 +
1.46 +bool
1.47 +txNamedAttributeStep::isSensitiveTo(ContextSensitivity aContext)
1.48 +{
1.49 + return !!(aContext & NODE_CONTEXT);
1.50 +}
1.51 +
1.52 +#ifdef TX_TO_STRING
1.53 +void
1.54 +txNamedAttributeStep::toString(nsAString& aDest)
1.55 +{
1.56 + aDest.Append(char16_t('@'));
1.57 + if (mPrefix) {
1.58 + nsAutoString prefix;
1.59 + mPrefix->ToString(prefix);
1.60 + aDest.Append(prefix);
1.61 + aDest.Append(char16_t(':'));
1.62 + }
1.63 + nsAutoString localName;
1.64 + mLocalName->ToString(localName);
1.65 + aDest.Append(localName);
1.66 +}
1.67 +#endif
