mirror of
https://github.com/Telecominfraproject/wlan-cloud-lib-cppkafka.git
synced 2025-11-01 11:07:56 +00:00
fbe3759fed
* header support implementation * Fixed issue when ptr is null and doesn't have a cloner function * Code complete with test cases updated travis file with v0.11.5 * Added compile time check for rdkafka header support version * Changes per last code review * Using brace list initializers
115 lines
3.5 KiB
C++
115 lines
3.5 KiB
C++
/*
|
|
* Copyright (c) 2017, Matias Fontanini
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following disclaimer
|
|
* in the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
*/
|
|
|
|
#ifndef CPPKAFKA_CLONABLE_PTR_H
|
|
#define CPPKAFKA_CLONABLE_PTR_H
|
|
|
|
#include <memory>
|
|
|
|
namespace cppkafka {
|
|
|
|
/**
|
|
* Smart pointer which allows copying via a clone functor
|
|
*/
|
|
template <typename T, typename Deleter, typename Cloner>
|
|
class ClonablePtr {
|
|
public:
|
|
/**
|
|
* \brief Creates an instance
|
|
*
|
|
* \param ptr The pointer to be wrapped
|
|
* \param deleter The deleter functor
|
|
* \param cloner The clone functor
|
|
*/
|
|
ClonablePtr(T* ptr, const Deleter& deleter, const Cloner& cloner)
|
|
: handle_(ptr, deleter), cloner_(cloner) {
|
|
|
|
}
|
|
|
|
/**
|
|
* \brief Copies the given ClonablePtr
|
|
*
|
|
* Cloning will be done by invoking the Cloner type
|
|
*
|
|
* \param rhs The pointer to be copied
|
|
*/
|
|
ClonablePtr(const ClonablePtr& rhs)
|
|
: handle_(rhs.cloner_ ? std::unique_ptr<T, Deleter>(rhs.cloner_(rhs.handle_.get()), rhs.handle_.get_deleter()) :
|
|
std::unique_ptr<T, Deleter>(rhs.handle_.get(), rhs.handle_.get_deleter())),
|
|
cloner_(rhs.cloner_) {
|
|
|
|
}
|
|
|
|
/**
|
|
* \brief Copies and assigns the given pointer
|
|
*
|
|
* \param rhs The pointer to be copied
|
|
*/
|
|
ClonablePtr& operator=(const ClonablePtr& rhs) {
|
|
if (this == &rhs) {
|
|
return *this;
|
|
}
|
|
handle_ = rhs.cloner_ ? std::unique_ptr<T, Deleter>(rhs.cloner_(rhs.handle_.get()), rhs.handle_.get_deleter()) :
|
|
std::unique_ptr<T, Deleter>(rhs.handle_.get(), rhs.handle_.get_deleter());
|
|
return *this;
|
|
}
|
|
|
|
ClonablePtr(ClonablePtr&&) = default;
|
|
ClonablePtr& operator=(ClonablePtr&&) = default;
|
|
~ClonablePtr() = default;
|
|
|
|
/**
|
|
* \brief Getter for the internal pointer
|
|
*/
|
|
T* get() const {
|
|
return handle_.get();
|
|
}
|
|
|
|
/**
|
|
* \brief Releases ownership of the internal pointer
|
|
*/
|
|
T* release() {
|
|
return handle_.release();
|
|
}
|
|
|
|
/**
|
|
* \brief Indicates whether this ClonablePtr instance is valid (not null)
|
|
*/
|
|
explicit operator bool() const {
|
|
return static_cast<bool>(handle_);
|
|
}
|
|
private:
|
|
std::unique_ptr<T, Deleter> handle_;
|
|
Cloner cloner_;
|
|
};
|
|
|
|
} // cppkafka
|
|
|
|
#endif // CPPKAFKA_CLONABLE_PTR_H
|