HashPtrTableI.H

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    Copyright (C) 2018-2023 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.

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#include "autoPtr.H"
#include "refPtr.H"
#include "tmp.H"

// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

template<class T, class Key, class Hash>
inline Foam::HashPtrTable<T, Key, Hash>::HashPtrTable(const label size)
:
    parent_type(size)
{}


template<class T, class Key, class Hash>
inline Foam::HashPtrTable<T, Key, Hash>::HashPtrTable
(
    HashPtrTable<T, Key, Hash>&& rhs
)
:
    parent_type(std::move(rhs))
{}


// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //

template<class T, class Key, class Hash>
inline const T* Foam::HashPtrTable<T, Key, Hash>::test(const Key& key) const
{
    // Like lookup() with a nullptr
    const const_iterator iter(this->cfind(key));
    if (iter.good())
    {
        return iter.val();
    }
    return nullptr;
}


template<class T, class Key, class Hash>
inline const T* Foam::HashPtrTable<T, Key, Hash>::get(const Key& key) const
{
    // Like lookup() with a nullptr
    const const_iterator iter(this->cfind(key));
    if (iter.good())
    {
        return iter.val();
    }
    return nullptr;
}


template<class T, class Key, class Hash>
template<class... Args>
inline bool Foam::HashPtrTable<T, Key, Hash>::emplace
(
    const Key& key,
    Args&&... args
)
{
    // Use insertion semantics
    return
    (
        !parent_type::contains(key)
     && this->parent_type::set(key, new T(std::forward<Args>(args)...))
    );
}


template<class T, class Key, class Hash>
template<class... Args>
inline T& Foam::HashPtrTable<T, Key, Hash>::emplace_set
(
    const Key& key,
    Args&&... args
)
{
    T* ptr = new T(std::forward<Args>(args)...);
    (void)this->set(key, ptr);
    return *ptr;
}


template<class T, class Key, class Hash>
inline bool Foam::HashPtrTable<T, Key, Hash>::insert
(
    const Key& key,
    std::unique_ptr<T>&& ptr
)
{
    if (parent_type::insert(key, ptr.get()))
    {
        ptr.release(); // Now owned by HashPtrTable
        return true;
    }

    return false;
}


template<class T, class Key, class Hash>
inline bool Foam::HashPtrTable<T, Key, Hash>::insert
(
    const Key& key,
    autoPtr<T>&& ptr
)
{
    if (parent_type::insert(key, ptr.get()))
    {
        ptr.release(); // Now owned by HashPtrTable
        return true;
    }

    return false;
}


template<class T, class Key, class Hash>
inline bool Foam::HashPtrTable<T, Key, Hash>::set
(
    const Key& key,
    T* ptr
)
{
    const T* old = this->get(key);

    const bool ok = this->parent_type::set(key, ptr);

    if (ok && old != ptr)
    {
        delete const_cast<T*>(old);
    }

    return ok;
}


template<class T, class Key, class Hash>
inline bool Foam::HashPtrTable<T, Key, Hash>::set
(
    const Key& key,
    std::unique_ptr<T>&& ptr
)
{
    return this->set(key, ptr.release());
}


template<class T, class Key, class Hash>
inline bool Foam::HashPtrTable<T, Key, Hash>::set
(
    const Key& key,
    autoPtr<T>&& ptr
)
{
    return this->set(key, ptr.release());
}


template<class T, class Key, class Hash>
inline bool Foam::HashPtrTable<T, Key, Hash>::set
(
    const Key& key,
    const refPtr<T>& ptr
)
{
    return this->set(key, ptr.ptr());  // release or clone
}


template<class T, class Key, class Hash>
inline bool Foam::HashPtrTable<T, Key, Hash>::set
(
    const Key& key,
    const tmp<T>& ptr
)
{
    return this->set(key, ptr.ptr());  // release or clone
}


// ************************************************************************* //