readFields.C

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    Copyright (C) 2018-2025 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.
 
    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
\*---------------------------------------------------------------------------*/
 
#include "readFields.H"
 
// * * * * * * * * * * * * * * * Global Functions  * * * * * * * * * * * * * //
 
Foam::label Foam::checkData
(
    const objectRegistry& obr,
    const instantList& timeDirs,
    wordList& objectNames,
    const fileName& local
)
{
    // Assume prune_0() was used prior to calling this
 
    wordHashSet goodFields;
 
    IOobject io
    (
        "any-name",   // placeholder
        "constant",   // placeholder
        local,
        obr,
        IOobjectOption::NO_READ,
        IOobjectOption::NO_WRITE,
        IOobjectOption::NO_REGISTER
    );
 
    for (const word& fieldName : objectNames)
    {
        // In case prune_0() not previously used...
        if (fieldName.ends_with("_0")) continue;
 
        bool good = false;
 
        for (const instant& inst : timeDirs)
        {
            io.resetHeader(fieldName);
            io.instance() = inst.name();
 
            good = io.typeHeaderOk<regIOobject>(false, false);
 
            if (!good)
            {
                break;
            }
        }
 
        if (returnReduceAnd(good))
        {
            goodFields.insert(fieldName);
        }
    }
 
    objectNames = goodFields.sortedToc();
 
    return objectNames.size();
}
 
 
// ************************************************************************* //