зеркало из https://github.com/mozilla/gecko-dev.git
65 строки
1.7 KiB
C++
65 строки
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "nsIAtom.h"
|
|
#include "txIXPathContext.h"
|
|
#include "txNodeSet.h"
|
|
#include "txExpr.h"
|
|
#include "txXPathTreeWalker.h"
|
|
|
|
txNamedAttributeStep::txNamedAttributeStep(int32_t aNsID,
|
|
nsIAtom* aPrefix,
|
|
nsIAtom* aLocalName)
|
|
: mNamespace(aNsID),
|
|
mPrefix(aPrefix),
|
|
mLocalName(aLocalName)
|
|
{
|
|
}
|
|
|
|
nsresult
|
|
txNamedAttributeStep::evaluate(txIEvalContext* aContext,
|
|
txAExprResult** aResult)
|
|
{
|
|
*aResult = nullptr;
|
|
|
|
RefPtr<txNodeSet> nodes;
|
|
nsresult rv = aContext->recycler()->getNodeSet(getter_AddRefs(nodes));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
txXPathTreeWalker walker(aContext->getContextNode());
|
|
if (walker.moveToNamedAttribute(mLocalName, mNamespace)) {
|
|
rv = nodes->append(walker.getCurrentPosition());
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
NS_ADDREF(*aResult = nodes);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
TX_IMPL_EXPR_STUBS_0(txNamedAttributeStep, NODESET_RESULT)
|
|
|
|
bool
|
|
txNamedAttributeStep::isSensitiveTo(ContextSensitivity aContext)
|
|
{
|
|
return !!(aContext & NODE_CONTEXT);
|
|
}
|
|
|
|
#ifdef TX_TO_STRING
|
|
void
|
|
txNamedAttributeStep::toString(nsAString& aDest)
|
|
{
|
|
aDest.Append(char16_t('@'));
|
|
if (mPrefix) {
|
|
nsAutoString prefix;
|
|
mPrefix->ToString(prefix);
|
|
aDest.Append(prefix);
|
|
aDest.Append(char16_t(':'));
|
|
}
|
|
nsAutoString localName;
|
|
mLocalName->ToString(localName);
|
|
aDest.Append(localName);
|
|
}
|
|
#endif
|