IndirectListBaseIO.C

Go to the documentation of this file.

/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
-------------------------------------------------------------------------------
    Copyright (C) 2011-2014 OpenFOAM Foundation
    Copyright (C) 2016-2025 OpenCFD Ltd.
-------------------------------------------------------------------------------
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.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
\*---------------------------------------------------------------------------*/
 
#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;
}
 
 
// ************************************************************************* //