dom/xslt/xpath/txNamedAttributeStep.cpp@97036ab72558 (annotated)
dom/xslt/xpath/txNamedAttributeStep.cpp
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #include "nsIAtom.h" |
| michael@0 | 7 | #include "txIXPathContext.h" |
| michael@0 | 8 | #include "txNodeSet.h" |
| michael@0 | 9 | #include "txExpr.h" |
| michael@0 | 10 | #include "txXPathTreeWalker.h" |
| michael@0 | 11 | |
| michael@0 | 12 | txNamedAttributeStep::txNamedAttributeStep(int32_t aNsID, |
| michael@0 | 13 | nsIAtom* aPrefix, |
| michael@0 | 14 | nsIAtom* aLocalName) |
| michael@0 | 15 | : mNamespace(aNsID), |
| michael@0 | 16 | mPrefix(aPrefix), |
| michael@0 | 17 | mLocalName(aLocalName) |
| michael@0 | 18 | { |
| michael@0 | 19 | } |
| michael@0 | 20 | |
| michael@0 | 21 | nsresult |
| michael@0 | 22 | txNamedAttributeStep::evaluate(txIEvalContext* aContext, |
| michael@0 | 23 | txAExprResult** aResult) |
| michael@0 | 24 | { |
| michael@0 | 25 | *aResult = nullptr; |
| michael@0 | 26 | |
| michael@0 | 27 | nsRefPtr<txNodeSet> nodes; |
| michael@0 | 28 | nsresult rv = aContext->recycler()->getNodeSet(getter_AddRefs(nodes)); |
| michael@0 | 29 | NS_ENSURE_SUCCESS(rv, rv); |
| michael@0 | 30 | |
| michael@0 | 31 | txXPathTreeWalker walker(aContext->getContextNode()); |
| michael@0 | 32 | if (walker.moveToNamedAttribute(mLocalName, mNamespace)) { |
| michael@0 | 33 | rv = nodes->append(walker.getCurrentPosition()); |
| michael@0 | 34 | NS_ENSURE_SUCCESS(rv, rv); |
| michael@0 | 35 | } |
| michael@0 | 36 | NS_ADDREF(*aResult = nodes); |
| michael@0 | 37 | |
| michael@0 | 38 | return NS_OK; |
| michael@0 | 39 | } |
| michael@0 | 40 | |
| michael@0 | 41 | TX_IMPL_EXPR_STUBS_0(txNamedAttributeStep, NODESET_RESULT) |
| michael@0 | 42 | |
| michael@0 | 43 | bool |
| michael@0 | 44 | txNamedAttributeStep::isSensitiveTo(ContextSensitivity aContext) |
| michael@0 | 45 | { |
| michael@0 | 46 | return !!(aContext & NODE_CONTEXT); |
| michael@0 | 47 | } |
| michael@0 | 48 | |
| michael@0 | 49 | #ifdef TX_TO_STRING |
| michael@0 | 50 | void |
| michael@0 | 51 | txNamedAttributeStep::toString(nsAString& aDest) |
| michael@0 | 52 | { |
| michael@0 | 53 | aDest.Append(char16_t('@')); |
| michael@0 | 54 | if (mPrefix) { |
| michael@0 | 55 | nsAutoString prefix; |
| michael@0 | 56 | mPrefix->ToString(prefix); |
| michael@0 | 57 | aDest.Append(prefix); |
| michael@0 | 58 | aDest.Append(char16_t(':')); |
| michael@0 | 59 | } |
| michael@0 | 60 | nsAutoString localName; |
| michael@0 | 61 | mLocalName->ToString(localName); |
| michael@0 | 62 | aDest.Append(localName); |
| michael@0 | 63 | } |
| michael@0 | 64 | #endif |
