dom/xslt/xpath/txPredicatedNodeTest.cpp@97036ab72558 (annotated)
dom/xslt/xpath/txPredicatedNodeTest.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 "txExpr.h" |
| michael@0 | 7 | #include "txExprResult.h" |
| michael@0 | 8 | #include "txSingleNodeContext.h" |
| michael@0 | 9 | |
| michael@0 | 10 | txPredicatedNodeTest::txPredicatedNodeTest(txNodeTest* aNodeTest, |
| michael@0 | 11 | Expr* aPredicate) |
| michael@0 | 12 | : mNodeTest(aNodeTest), |
| michael@0 | 13 | mPredicate(aPredicate) |
| michael@0 | 14 | { |
| michael@0 | 15 | NS_ASSERTION(!mPredicate->isSensitiveTo(Expr::NODESET_CONTEXT), |
| michael@0 | 16 | "predicate must not be context-nodeset-sensitive"); |
| michael@0 | 17 | } |
| michael@0 | 18 | |
| michael@0 | 19 | bool |
| michael@0 | 20 | txPredicatedNodeTest::matches(const txXPathNode& aNode, |
| michael@0 | 21 | txIMatchContext* aContext) |
| michael@0 | 22 | { |
| michael@0 | 23 | if (!mNodeTest->matches(aNode, aContext)) { |
| michael@0 | 24 | return false; |
| michael@0 | 25 | } |
| michael@0 | 26 | |
| michael@0 | 27 | txSingleNodeContext context(aNode, aContext); |
| michael@0 | 28 | nsRefPtr<txAExprResult> res; |
| michael@0 | 29 | nsresult rv = mPredicate->evaluate(&context, getter_AddRefs(res)); |
| michael@0 | 30 | NS_ENSURE_SUCCESS(rv, false); |
| michael@0 | 31 | |
| michael@0 | 32 | return res->booleanValue(); |
| michael@0 | 33 | } |
| michael@0 | 34 | |
| michael@0 | 35 | double |
| michael@0 | 36 | txPredicatedNodeTest::getDefaultPriority() |
| michael@0 | 37 | { |
| michael@0 | 38 | return 0.5; |
| michael@0 | 39 | } |
| michael@0 | 40 | |
| michael@0 | 41 | bool |
| michael@0 | 42 | txPredicatedNodeTest::isSensitiveTo(Expr::ContextSensitivity aContext) |
| michael@0 | 43 | { |
| michael@0 | 44 | return mNodeTest->isSensitiveTo(aContext) || |
| michael@0 | 45 | mPredicate->isSensitiveTo(aContext); |
| michael@0 | 46 | } |
| michael@0 | 47 | |
| michael@0 | 48 | #ifdef TX_TO_STRING |
| michael@0 | 49 | void |
| michael@0 | 50 | txPredicatedNodeTest::toString(nsAString& aDest) |
| michael@0 | 51 | { |
| michael@0 | 52 | mNodeTest->toString(aDest); |
| michael@0 | 53 | aDest.Append(char16_t('[')); |
| michael@0 | 54 | mPredicate->toString(aDest); |
| michael@0 | 55 | aDest.Append(char16_t(']')); |
| michael@0 | 56 | } |
| michael@0 | 57 | #endif |
