PtrListDetail.C

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License
    This file is part of OpenFOAM.

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#include "PtrListDetail.H"

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

template<class T>
Foam::label Foam::Detail::PtrListDetail<T>::count_nonnull() const noexcept
{
    label n = 0;

    for (const T* ptr : *this)
    {
        if (ptr)
        {
            ++n;
        }
    }

    return n;
}


template<class T>
Foam::label Foam::Detail::PtrListDetail<T>::find_first() const
{
    return this->find_next(-1);
}


template<class T>
Foam::label Foam::Detail::PtrListDetail<T>::find_first_not() const
{
    return this->find_next_not(-1);
}


template<class T>
Foam::label Foam::Detail::PtrListDetail<T>::find_next(label pos) const
{
    const label len = this->size();

    // Start search after the given position (input of -1 is also valid)
    for (++pos; pos < len; ++pos)
    {
        if ((*this)[pos])
        {
            return pos;
        }
    }

    return -1;
}


template<class T>
Foam::label Foam::Detail::PtrListDetail<T>::find_next_not(label pos) const
{
    const label len = this->size();

    // Start search after the given position (input of -1 is also valid)
    for (++pos; pos < len; ++pos)
    {
        if (!(*this)[pos])
        {
            return pos;
        }
    }

    return -1;
}


template<class T>
void Foam::Detail::PtrListDetail<T>::free()
{
    // Presume they were allocated from front to back...
    List<T*>& ptrs = *this;

    for (auto i = this->size()-1; i >= 0; --i)
    {
        delete ptrs[i];
        ptrs[i] = nullptr;
    }
}


template<class T>
template<class... Args>
Foam::Detail::PtrListDetail<T>
Foam::Detail::PtrListDetail<T>::clone(Args&&... args) const
{
    const List<T*>& ptrs = *this;
    const label len = ptrs.size();

    PtrListDetail<T> cloned(len);

    for (label i = 0; i < len; ++i)
    {
        if (const T* ptr = ptrs[i]; ptr)
        {
            cloned[i] = ptr->clone(std::forward<Args>(args)...).ptr();
        }
    }

    return cloned;
}


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