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#ifndef CondFormats_SerializationHelper_unique_void_ptr_h
#define CondFormats_SerializationHelper_unique_void_ptr_h
// -*- C++ -*-
//
// Package: CondFormats/SerializationHelper
// Class : unique_void_ptr
//
/**\class unique_void_ptr unique_void_ptr.h "CondFormats/SerializationHelper/interface/unique_void_ptr.h"
Description: Provides ownership of a const void*
Usage:
<usage>
*/
//
// Original Author: Christopher Jones
// Created: Wed, 31 May 2023 14:34:15 GMT
//
// system include files
#include <functional>
// user include files
// forward declarations
namespace cond::serialization {
class unique_void_ptr {
public:
unique_void_ptr() noexcept : ptr_{nullptr} {}
unique_void_ptr(const void* iPtr, std::function<void(const void*)> iDestructor) noexcept
: ptr_(iPtr), destructor_(std::move(iDestructor)) {}
~unique_void_ptr() noexcept {
if (destructor_) {
destructor_(ptr_);
}
}
unique_void_ptr(const unique_void_ptr&) = delete; // stop default
unique_void_ptr& operator=(const unique_void_ptr&) = delete; // stop default
unique_void_ptr(unique_void_ptr&& iOld) noexcept : ptr_(iOld.ptr_), destructor_(std::move(iOld.destructor_)) {
iOld.ptr_ = nullptr;
}
unique_void_ptr& operator=(unique_void_ptr&& iOld) noexcept {
unique_void_ptr tmp(std::move(*this));
std::swap(ptr_, iOld.ptr_);
std::swap(destructor_, iOld.destructor_);
return *this;
}
// ---------- const member functions ---------------------
const void* get() const noexcept { return ptr_; }
// ---------- member functions --------------------------------
const void* release() noexcept {
auto tmp = ptr_;
ptr_ = nullptr;
return tmp;
}
private:
// ---------- member data --------------------------------
const void* ptr_;
std::function<void(const void*)> destructor_;
};
} // namespace cond::serialization
#endif
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