checkFieldAvailability.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
-------------------------------------------------------------------------------
    Copyright (C) 2021-2022 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM, distributed under GPL-3.0-or-later.
 
Description
    Check field availability for last time.
    Done to avoid mapping 'undefined' when a field only exists as time 0.
 
Requires
    readFields.H (for the checkData function)
 
\*---------------------------------------------------------------------------*/
 
// Initially all possible objects that are available at the final time
List<wordHashSet> availableRegionObjectNames(meshes.size());
 
forAll(meshes, regioni)
{
    const auto& mesh = meshes[regioni];
 
    IOobjectList objects(0);
 
    if (doConvertFields)
    {
        objects = IOobjectList(mesh, timeDirs.last().name());
 
        if (fieldSelector && !fieldSelector().empty())
        {
            objects.filterObjects(fieldSelector());
        }
 
        if (fieldSelector && !fieldSelector().empty())
        {
            objects.filterObjects(fieldSelector());
        }
 
        // Remove "*_0" restart fields
        objects.prune_0();
 
        if (!doPointValues)
        {
            // Prune point fields if disabled
            objects.filterClasses
            (
                [](const word& clsName)
                {
                    return fieldTypes::point.found(clsName);
                },
                true // prune
            );
        }
    }
 
    wordList objectNames(objects.sortedNames());
 
    // Check availability for all times...
    checkData(mesh, timeDirs, objectNames);
 
    availableRegionObjectNames[regioni] = objectNames;
}
 
 
// ************************************************************************* //