dimensionedConstants.C

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License
    This file is part of OpenFOAM.
 
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    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
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    for more details.
 
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#include "dimensionedConstants.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
    dictionary* dimensionedConstantsPtr_(nullptr);
}
 
 
Foam::dictionary& Foam::dimensionedConstants()
{
    return debug::switchSet
    (
        "DimensionedConstants",
        dimensionedConstantsPtr_
    );
}
 
 
Foam::dimensionedScalar Foam::dimensionedConstant
(
    const char* const group,
    const char* name,
    const dimensionSet& dimensions
)
{
    dictionary& dict = dimensionedConstants();
 
    // Check that the entries exist.
    // Note: should make FatalError robust instead!
 
    if (!dict.found("unitSet"))
    {
        std::cerr<< "Cannot find unitSet in dictionary " << dict.name()
            << std::endl;
    }
 
    const word unitSetCoeffs(word(dict.lookup("unitSet")) + "Coeffs");
 
    if (!dict.found(unitSetCoeffs))
    {
        std::cerr<< "Cannot find " << unitSetCoeffs << " in dictionary "
            << dict.name() << std::endl;
    }
 
    return dimensionedScalar
    (
        name,
        dimensions,
        dict.subDict(unitSetCoeffs).subDict(group)
    );
}
 
 
Foam::dimensionedScalar Foam::dimensionedConstant
(
    const char* const group,
    const char* name,
    const dimensionedScalar& defaultValuee
)
{
    dictionary& dict = dimensionedConstants();
 
    const word unitSet(dict.lookup("unitSet"));
    dictionary& unitDict(dict.subDict(unitSet + "Coeffs"));
 
    const dimensionedScalar defaultValue(name, defaultValuee);
 
    if (unitDict.found(group))
    {
        dictionary& groupDict = unitDict.subDict(group);
        if (groupDict.found(name))
        {
            return dimensionedScalar
            (
                name,
                defaultValue.dimensions(),
                groupDict.lookup(name)
            );
        }
        else
        {
            groupDict.add(name, defaultValue);
            return defaultValue;
        }
    }
    else
    {
        unitDict.add(group, dictionary::null);
        unitDict.subDict(group).add(name, defaultValue);
        return defaultValue;
    }
}
 
 
// ************************************************************************* //