Function2New.C

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License
    This file is part of OpenFOAM.
 
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#include "Constant2.H"
 
// * * * * * * * * * * * * * * * * Selectors * * * * * * * * * * * * * * * * //
 
template<class Type>
Foam::autoPtr<Foam::Function2<Type>> Foam::Function2<Type>::New
(
    const word& name,
    const Function2s::unitConversions& units,
    const dictionary& dict
)
{
    // If the function is a dictionary (preferred) then read straightforwardly
    if (dict.isDict(name))
    {
        const dictionary& coeffsDict(dict.subDict(name));
 
        const word Function2Type(coeffsDict.lookup("type"));
 
        typename dictionaryConstructorTable::iterator cstrIter =
            dictionaryConstructorTablePtr_->find(Function2Type);
 
        if (cstrIter == dictionaryConstructorTablePtr_->end())
        {
            FatalErrorInFunction
                << "Unknown Function2 type "
                << Function2Type << " for Function2 "
                << name << nl << nl
                << "Valid Function2 types are:" << nl
                << dictionaryConstructorTablePtr_->sortedToc() << nl
                << exit(FatalError);
        }
 
        return cstrIter()(name, units, coeffsDict);
    }
 
    // Find the entry
    Istream& is(dict.lookup(name));
 
    // Peek at the first token
    token firstToken(is);
    is.putBack(firstToken);
 
    // Read the type, or assume constant
    const word Function2Type =
        firstToken.isWord() ? word(is) : Function2s::Constant<Type>::typeName;
 
    // If the entry is not a type followed by a end statement then
    // construct the function from the stream
    if (!firstToken.isWord() || !is.eof())
    {
        return New(name, units, Function2Type, is);
    }
 
    // Otherwise, construct from the current dictionary
    typename dictionaryConstructorTable::iterator dictCstrIter =
        dictionaryConstructorTablePtr_->find(Function2Type);
 
    if (dictCstrIter == dictionaryConstructorTablePtr_->end())
    {
        FatalErrorInFunction
            << "Unknown Function2 type "
            << Function2Type << " for Function2 "
            << name << nl << nl
            << "Valid Function2 types are:" << nl
            << dictionaryConstructorTablePtr_->sortedToc() << nl
            << exit(FatalError);
    }
 
    return dictCstrIter()(name, units, dict);
}
 
 
template<class Type>
Foam::autoPtr<Foam::Function2<Type>> Foam::Function2<Type>::New
(
    const word& name,
    const unitConversion& xUnits,
    const unitConversion& yUnits,
    const unitConversion& valueUnits,
    const dictionary& dict
)
{
    return New(name, {xUnits, yUnits, valueUnits}, dict);
}
 
 
template<class Type>
Foam::autoPtr<Foam::Function2<Type>> Foam::Function2<Type>::New
(
    const word& name,
    const Function2s::unitConversions& units,
    const word& Function2Type,
    Istream& is
)
{
    typename dictionaryConstructorTable::iterator dictCstrIter =
        dictionaryConstructorTablePtr_->find(Function2Type);
    const bool haveDictCstrIter =
        dictCstrIter != dictionaryConstructorTablePtr_->end();
 
    typename IstreamConstructorTable::iterator isCstrIter =
        IstreamConstructorTablePtr_->find(Function2Type);
    const bool haveIstreamCstrIter =
        isCstrIter != IstreamConstructorTablePtr_->end();
 
    if (!haveDictCstrIter && !haveIstreamCstrIter)
    {
        FatalErrorInFunction
            << "Unknown Function2 type "
            << Function2Type << " for Function2 "
            << name << nl << nl
            << "Valid Function2 types are:" << nl
            << dictionaryConstructorTablePtr_->sortedToc() << nl
            << exit(FatalError);
    }
 
    if (!haveIstreamCstrIter)
    {
        FatalErrorInFunction
            << "Function2 type "
            << name << " cannot be specified inline" << nl << nl
            << "Make " << name << " a sub-dictionary"
            << exit(FatalError);
    }
 
    return isCstrIter()(name, units, is);
}
 
 
template<class Type>
Foam::autoPtr<Foam::Function2<Type>> Foam::Function2<Type>::New
(
    const word& name,
    const unitConversion& xUnits,
    const unitConversion& yUnits,
    const unitConversion& valueUnits,
    const word& Function2Type,
    Istream& is
)
{
    return New(name, {xUnits, yUnits, valueUnits}, Function2Type, is);
}
 
 
// ************************************************************************* //