blockMeshToolsTemplates.C

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    Copyright (C) 2016 OpenFOAM Foundation
    Copyright (C) 2021-2023 OpenCFD Ltd.
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// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //

template<class T>
void Foam::blockMeshTools::read
(
    Istream& is,
    List<T>& list,
    const dictionary& dict
)
{
    token tok(is);

    if (tok.isLabel())
    {
        // Label: should be int(..)

        const label len = tok.labelToken();

        // Resize to length required
        list.resize_nocopy(len);

        // Begin of contents marker
        const char delimiter = is.readBeginList("List");

        if (len)
        {
            if (delimiter == token::BEGIN_LIST)
            {
                for (label i=0; i<len; ++i)
                {
                    read(is, list[i], dict);
                }
            }
        }

        // End of contents marker
        is.readEndList("List");
    }
    else if (tok.isPunctuation(token::BEGIN_LIST))
    {
        // "(...)" : read with DynamicList and transfer contents

        DynamicList<T> elements(std::move(list));
        elements.clear();  // Reset addressing only

        is >> tok;
        is.fatalCheck(FUNCTION_NAME);

        while (!tok.isPunctuation(token::END_LIST))
        {
            is.putBack(tok);

            read(is, elements.emplace_back(), dict);

            is >> tok;
            is.fatalCheck(FUNCTION_NAME);
        }

        // Transfer back to regular list
        list = std::move(elements);
    }
    else
    {
        FatalIOErrorInFunction(is)
            << "incorrect first token, expected <int> or '(', found "
            << tok.info() << nl
            << exit(FatalIOError);
    }
}


template<class T>
Foam::List<T> Foam::blockMeshTools::read
(
    Istream& is,
    const dictionary& dict
)
{
    List<T> list;
    read(is, list, dict);
    return list;
}


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