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Diffstat (limited to 'security/pkix/lib/ScopedPtr.h')
-rw-r--r-- | security/pkix/lib/ScopedPtr.h | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/security/pkix/lib/ScopedPtr.h b/security/pkix/lib/ScopedPtr.h deleted file mode 100644 index 0b24364827..0000000000 --- a/security/pkix/lib/ScopedPtr.h +++ /dev/null @@ -1,82 +0,0 @@ -/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/* This code is made available to you under your choice of the following sets - * of licensing terms: - */ -/* 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/. - */ -/* Copyright 2013 Mozilla Contributors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef mozilla_pkix_ScopedPtr_h -#define mozilla_pkix_ScopedPtr_h - -namespace mozilla { namespace pkix { - -// A subset polyfill of std::unique_ptr that does not support move construction -// or move assignment. This is used instead of std::unique_ptr because some -// important toolchains still don't provide std::unique_ptr, including in -// particular Android NDK projects with APP_STL=stlport_static or -// ALL_STL=stlport_shared. -template <typename T, void (&Destroyer)(T*)> -class ScopedPtr final -{ -public: - explicit ScopedPtr(T* value = nullptr) : mValue(value) { } - - ScopedPtr(const ScopedPtr&) = delete; - - ~ScopedPtr() - { - if (mValue) { - Destroyer(mValue); - } - } - - void operator=(const ScopedPtr&) = delete; - - T& operator*() const { return *mValue; } - T* operator->() const { return mValue; } - - explicit operator bool() const { return mValue; } - - T* get() const { return mValue; } - - T* release() - { - T* result = mValue; - mValue = nullptr; - return result; - } - - void reset(T* newValue = nullptr) - { - // The C++ standard requires std::unique_ptr to destroy the old value - // pointed to by mValue, if any, *after* assigning the new value to mValue. - T* oldValue = mValue; - mValue = newValue; - if (oldValue) { - Destroyer(oldValue); - } - } - -private: - T* mValue; -}; - -} } // namespace mozilla::pkix - -#endif // mozilla_pkix_ScopedPtr_h |