Tue, 06 Jan 2015 21:39:09 +0100
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: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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 JSSTREAMWRITER_H
7 #define JSSTREAMWRITER_H
9 #include <ostream>
10 #include <stdlib.h>
11 #include "nsDeque.h"
13 class JSStreamWriter
14 {
15 public:
16 JSStreamWriter(std::ostream& aStream);
17 ~JSStreamWriter();
19 void BeginObject();
20 void EndObject();
21 void BeginArray();
22 void EndArray();
23 void Name(const char *name);
24 void Value(int value);
25 void Value(double value);
26 void Value(const char *value, size_t valueLength);
27 void Value(const char *value);
28 template <typename T>
29 void NameValue(const char *aName, T aValue)
30 {
31 Name(aName);
32 Value(aValue);
33 }
35 private:
36 std::ostream& mStream;
37 bool mNeedsComma;
38 bool mNeedsName;
40 nsDeque mStack;
42 // This class can't be copied
43 JSStreamWriter(const JSStreamWriter&);
44 JSStreamWriter& operator=(const JSStreamWriter&);
46 void* operator new(size_t);
47 void* operator new[](size_t);
48 void operator delete(void*) {
49 // Since JSStreamWriter has a virtual destructor the compiler
50 // has to provide a destructor in the object file that will call
51 // operate delete in case there is a derived class since its
52 // destructor won't know how to free this instance.
53 abort();
54 }
55 void operator delete[](void*);
56 };
58 #endif