IndirectListBaseIO.C

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    Copyright (C) 2011-2014 OpenFOAM Foundation
    Copyright (C) 2016-2025 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.

    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

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    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.

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#include "IndirectListBase.H"
#include "Ostream.H"
#include "token.H"

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

template<class T, class Addr>
Foam::Ostream& Foam::IndirectListBase<T, Addr>::writeList
(
    Ostream& os,
    const label shortLen
) const
{
    const IndirectListBase<T, Addr>& list = *this;

    const label len = list.size();

    if (os.format() == IOstreamOption::BINARY && is_contiguous_v<T>)
    {
        // Binary and contiguous
        os << nl << len << nl;

        if (len)
        {
            // The TOTAL number of bytes to be written.
            // - possibly add start delimiter
            os.beginRawWrite(len*sizeof(T));

            // Contents
            for (label i=0; i < len; ++i)
            {
                os.writeRaw
                (
                    reinterpret_cast<const char*>(&(list[i])),
                    sizeof(T)
                );
            }

            // End delimiter and/or cleanup.
            os.endRawWrite();
        }
    }
    else if (is_contiguous_v<T> && len > 1 && list.uniform())
    {
        // Two or more entries, and all entries have identical values.
        os << len << token::BEGIN_BLOCK << list[0] << token::END_BLOCK;
    }
    else if
    (
        (len <= 1 || !shortLen)
     ||
        (
            (len <= shortLen)
         && (is_contiguous_v<T> || Foam::ListPolicy::no_linebreak<T>::value)
        )
    )
    {
        // Single-line output

        // Size and start delimiter
        os << len << token::BEGIN_LIST;

        // Contents
        for (label i=0; i < len; ++i)
        {
            if (i) os << token::SPACE;
            os << list[i];
        }

        // End delimiter
        os << token::END_LIST;
    }
    else
    {
        // Multi-line output

        // Size and start delimiter
        os << nl << len << nl << token::BEGIN_LIST << nl;

        // Contents
        for (label i=0; i < len; ++i)
        {
            os << list[i] << nl;
        }

        // End delimiter
        os << token::END_LIST << nl;
    }

    os.check(FUNCTION_NAME);
    return os;
}


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