dom/xslt/xpath/txNodeSetAdaptor.cpp@97036ab72558 (annotated)
dom/xslt/xpath/txNodeSetAdaptor.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 "txNodeSetAdaptor.h" |
| michael@0 | 7 | #include "txXPathTreeWalker.h" |
| michael@0 | 8 | |
| michael@0 | 9 | txNodeSetAdaptor::txNodeSetAdaptor() |
| michael@0 | 10 | : txXPathObjectAdaptor(), |
| michael@0 | 11 | mWritable(true) |
| michael@0 | 12 | { |
| michael@0 | 13 | } |
| michael@0 | 14 | |
| michael@0 | 15 | txNodeSetAdaptor::txNodeSetAdaptor(txNodeSet *aNodeSet) |
| michael@0 | 16 | : txXPathObjectAdaptor(aNodeSet), |
| michael@0 | 17 | mWritable(false) |
| michael@0 | 18 | { |
| michael@0 | 19 | } |
| michael@0 | 20 | |
| michael@0 | 21 | NS_IMPL_ISUPPORTS_INHERITED(txNodeSetAdaptor, txXPathObjectAdaptor, txINodeSet) |
| michael@0 | 22 | |
| michael@0 | 23 | nsresult |
| michael@0 | 24 | txNodeSetAdaptor::Init() |
| michael@0 | 25 | { |
| michael@0 | 26 | if (!mValue) { |
| michael@0 | 27 | mValue = new txNodeSet(nullptr); |
| michael@0 | 28 | } |
| michael@0 | 29 | |
| michael@0 | 30 | return mValue ? NS_OK : NS_ERROR_OUT_OF_MEMORY; |
| michael@0 | 31 | } |
| michael@0 | 32 | |
| michael@0 | 33 | NS_IMETHODIMP |
| michael@0 | 34 | txNodeSetAdaptor::Item(uint32_t aIndex, nsIDOMNode **aResult) |
| michael@0 | 35 | { |
| michael@0 | 36 | *aResult = nullptr; |
| michael@0 | 37 | |
| michael@0 | 38 | if (aIndex > (uint32_t)NodeSet()->size()) { |
| michael@0 | 39 | return NS_ERROR_ILLEGAL_VALUE; |
| michael@0 | 40 | } |
| michael@0 | 41 | |
| michael@0 | 42 | return txXPathNativeNode::getNode(NodeSet()->get(aIndex), aResult); |
| michael@0 | 43 | } |
| michael@0 | 44 | |
| michael@0 | 45 | NS_IMETHODIMP |
| michael@0 | 46 | txNodeSetAdaptor::ItemAsNumber(uint32_t aIndex, double *aResult) |
| michael@0 | 47 | { |
| michael@0 | 48 | if (aIndex > (uint32_t)NodeSet()->size()) { |
| michael@0 | 49 | return NS_ERROR_ILLEGAL_VALUE; |
| michael@0 | 50 | } |
| michael@0 | 51 | |
| michael@0 | 52 | nsAutoString result; |
| michael@0 | 53 | txXPathNodeUtils::appendNodeValue(NodeSet()->get(aIndex), result); |
| michael@0 | 54 | |
| michael@0 | 55 | *aResult = txDouble::toDouble(result); |
| michael@0 | 56 | |
| michael@0 | 57 | return NS_OK; |
| michael@0 | 58 | } |
| michael@0 | 59 | |
| michael@0 | 60 | NS_IMETHODIMP |
| michael@0 | 61 | txNodeSetAdaptor::ItemAsString(uint32_t aIndex, nsAString &aResult) |
| michael@0 | 62 | { |
| michael@0 | 63 | if (aIndex > (uint32_t)NodeSet()->size()) { |
| michael@0 | 64 | return NS_ERROR_ILLEGAL_VALUE; |
| michael@0 | 65 | } |
| michael@0 | 66 | |
| michael@0 | 67 | txXPathNodeUtils::appendNodeValue(NodeSet()->get(aIndex), aResult); |
| michael@0 | 68 | |
| michael@0 | 69 | return NS_OK; |
| michael@0 | 70 | } |
| michael@0 | 71 | |
| michael@0 | 72 | NS_IMETHODIMP |
| michael@0 | 73 | txNodeSetAdaptor::GetLength(uint32_t *aLength) |
| michael@0 | 74 | { |
| michael@0 | 75 | *aLength = (uint32_t)NodeSet()->size(); |
| michael@0 | 76 | |
| michael@0 | 77 | return NS_OK; |
| michael@0 | 78 | } |
| michael@0 | 79 | |
| michael@0 | 80 | NS_IMETHODIMP |
| michael@0 | 81 | txNodeSetAdaptor::Add(nsIDOMNode *aNode) |
| michael@0 | 82 | { |
| michael@0 | 83 | NS_ENSURE_TRUE(mWritable, NS_ERROR_FAILURE); |
| michael@0 | 84 | |
| michael@0 | 85 | nsAutoPtr<txXPathNode> node(txXPathNativeNode::createXPathNode(aNode, |
| michael@0 | 86 | true)); |
| michael@0 | 87 | |
| michael@0 | 88 | return node ? NodeSet()->add(*node) : NS_ERROR_OUT_OF_MEMORY; |
| michael@0 | 89 | } |
