IOList.C

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    Copyright (C) 2016-2025 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.

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    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
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#include "IOList.H"

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

template<class T>
bool Foam::IOList<T>::readIOcontents()
{
    if (isReadRequired() || (isReadOptional() && headerOk()))
    {
        readStream(typeName) >> *this;
        close();
        return true;
    }

    return false;
}


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

template<class T>
Foam::IOList<T>::IOList(const IOobject& io)
:
    regIOobject(io)
{
    // Check for MUST_READ_IF_MODIFIED
    warnNoRereading<IOList<T>>();

    readIOcontents();
}


template<class T>
Foam::IOList<T>::IOList(const IOobject& io, Foam::zero)
:
    regIOobject(io)
{
    // Check for MUST_READ_IF_MODIFIED
    warnNoRereading<IOList<T>>();

    readIOcontents();
}


template<class T>
Foam::IOList<T>::IOList(const IOobject& io, const label len)
:
    regIOobject(io)
{
    // Check for MUST_READ_IF_MODIFIED
    warnNoRereading<IOList<T>>();

    if (!readIOcontents())
    {
        List<T>::resize(len);
    }
}


template<class T>
Foam::IOList<T>::IOList(const IOobject& io, const UList<T>& content)
:
    regIOobject(io)
{
    // Check for MUST_READ_IF_MODIFIED
    warnNoRereading<IOList<T>>();

    if (!readIOcontents())
    {
        List<T>::operator=(content);
    }
}


template<class T>
Foam::IOList<T>::IOList(const IOobject& io, List<T>&& content)
:
    regIOobject(io)
{
    // Check for MUST_READ_IF_MODIFIED
    warnNoRereading<IOList<T>>();

    List<T>::transfer(content);

    readIOcontents();
}


template<class T>
Foam::IOListRef<T>::IOListRef
(
    const IOobject& io,
    const UList<T>& content
)
:
    regIOobject(io),
    contentRef_(content)
{}


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

template<class T>
Foam::List<T> Foam::IOList<T>::readContents(const IOobject& io)
{
    IOobject rio(io, IOobjectOption::NO_REGISTER);
    if (rio.readOpt() == IOobjectOption::READ_MODIFIED)
    {
        rio.readOpt(IOobjectOption::MUST_READ);
    }

    IOList<T> reader(rio);

    return List<T>(std::move(static_cast<List<T>&>(reader)));
}


template<class T>
void Foam::IOList<T>::writeContents
(
    const IOobject& io,
    const UList<T>& content
)
{
    IOListRef<T> writer
    (
        IOobject(io, IOobjectOption::NO_REGISTER),
        content
    );

    writer.write();
}


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

template<class T>
bool Foam::IOList<T>::writeData(Ostream& os) const
{
    os << static_cast<const List<T>&>(*this);
    return os.good();
}


template<class T>
bool Foam::IOListRef<T>::writeData(Ostream& os) const
{
    os << contentRef_;
    return os.good();
}


// * * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * //

template<class T>
void Foam::IOList<T>::operator=(const IOList<T>& rhs)
{
    List<T>::operator=(rhs);
}


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