Commit 2eca1246 authored by Igor Kushnir's avatar Igor Kushnir
Browse files

Implement OwningRawPointerContainer utility

parent e4ea3642
......@@ -91,6 +91,7 @@ install( FILES
convenientfreelist.h
multilevellistview.h
objectlist.h
owningrawpointercontainer.h
placeholderitemproxymodel.h
projecttestjob.h
widgetcolorizer.h
......
/*
SPDX-FileCopyrightText: 2021 Igor Kushnir <igorkuo@gmail.com>
SPDX-License-Identifier: LGPL-2.0-or-later
*/
#ifndef KDEVPLATFORM_OWNING_RAW_POINTER_CONTAINER_H
#define KDEVPLATFORM_OWNING_RAW_POINTER_CONTAINER_H
#include <utility>
namespace KDevelop {
/**
* A RAII wrapper for a container of owning raw pointers.
*
* Storing an OwningRawPointerContainer<C> in a class is equivalent to storing
* C @a c itself and calling qDeleteAll(@a c) in the destructor. The only usage
* difference is dereferencing OwningRawPointerContainer via operator* or operator->.
*/
template<typename C>
class OwningRawPointerContainer
{
public:
OwningRawPointerContainer() = default;
OwningRawPointerContainer(OwningRawPointerContainer&& other)
: m_c{std::move(other.m_c)}
{
other.m_c = {};
}
OwningRawPointerContainer(const OwningRawPointerContainer&) = delete;
~OwningRawPointerContainer()
{
for (const auto* ptr : std::as_const(m_c)) {
delete ptr;
}
}
OwningRawPointerContainer& operator=(OwningRawPointerContainer&& other)
{
m_c = std::move(other.m_c);
other.m_c = {};
}
OwningRawPointerContainer& operator=(const OwningRawPointerContainer&) = delete;
const C& operator*() const
{
return m_c;
}
C& operator*()
{
return m_c;
}
const C* operator->() const
{
return &m_c;
}
C* operator->()
{
return &m_c;
}
private:
C m_c{};
};
}
#endif // KDEVPLATFORM_OWNING_RAW_POINTER_CONTAINER_H
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