dom/xslt/xpath/txSingleNodeContext.h@97036ab72558
dom/xslt/xpath/txSingleNodeContext.h
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.
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 #ifndef __TX_XPATH_SINGLENODE_CONTEXT
7 #define __TX_XPATH_SINGLENODE_CONTEXT
9 #include "mozilla/Attributes.h"
10 #include "txIXPathContext.h"
12 class txSingleNodeContext : public txIEvalContext
13 {
14 public:
15 txSingleNodeContext(const txXPathNode& aContextNode,
16 txIMatchContext* aContext)
17 : mNode(aContextNode),
18 mInner(aContext)
19 {
20 NS_ASSERTION(aContext, "txIMatchContext must be given");
21 }
23 nsresult getVariable(int32_t aNamespace, nsIAtom* aLName,
24 txAExprResult*& aResult) MOZ_OVERRIDE
25 {
26 NS_ASSERTION(mInner, "mInner is null!!!");
27 return mInner->getVariable(aNamespace, aLName, aResult);
28 }
30 bool isStripSpaceAllowed(const txXPathNode& aNode) MOZ_OVERRIDE
31 {
32 NS_ASSERTION(mInner, "mInner is null!!!");
33 return mInner->isStripSpaceAllowed(aNode);
34 }
36 void* getPrivateContext() MOZ_OVERRIDE
37 {
38 NS_ASSERTION(mInner, "mInner is null!!!");
39 return mInner->getPrivateContext();
40 }
42 txResultRecycler* recycler() MOZ_OVERRIDE
43 {
44 NS_ASSERTION(mInner, "mInner is null!!!");
45 return mInner->recycler();
46 }
48 void receiveError(const nsAString& aMsg, nsresult aRes) MOZ_OVERRIDE
49 {
50 NS_ASSERTION(mInner, "mInner is null!!!");
51 #ifdef DEBUG
52 nsAutoString error(NS_LITERAL_STRING("forwarded error: "));
53 error.Append(aMsg);
54 mInner->receiveError(error, aRes);
55 #else
56 mInner->receiveError(aMsg, aRes);
57 #endif
58 }
60 const txXPathNode& getContextNode() MOZ_OVERRIDE
61 {
62 return mNode;
63 }
65 uint32_t size() MOZ_OVERRIDE
66 {
67 return 1;
68 }
70 uint32_t position() MOZ_OVERRIDE
71 {
72 return 1;
73 }
75 private:
76 const txXPathNode& mNode;
77 txIMatchContext* mInner;
78 };
80 #endif // __TX_XPATH_SINGLENODE_CONTEXT
