blob: 5022ee5fe5767827402562eba7b532e6cc83b5aa (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef builtin_intl_ScopedICUObject_h
#define builtin_intl_ScopedICUObject_h
/*
* A simple RAII class to assure ICU objects are automatically deallocated at
* scope end. Unfortunately, ICU's C++ API is uniformly unstable, so we can't
* use its smart pointers for this.
*/
namespace js {
template <typename T, void (Delete)(T*)>
class ScopedICUObject
{
T* ptr_;
public:
explicit ScopedICUObject(T* ptr)
: ptr_(ptr)
{}
~ScopedICUObject() {
if (ptr_)
Delete(ptr_);
}
// In cases where an object should be deleted on abnormal exits,
// but returned to the caller if everything goes well, call forget()
// to transfer the object just before returning.
T* forget() {
T* tmp = ptr_;
ptr_ = nullptr;
return tmp;
}
};
} // namespace js
#endif /* builtin_intl_ScopedICUObject_h */
|