NamedEnum.C 3.66 KB
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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
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    \\  /    A nd           | Copyright (C) 2011-2015 OpenFOAM Foundation
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     \\/     M anipulation  |
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

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    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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    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
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    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/

#include "NamedEnum.H"

// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

template<class Enum, int nEnum>
Foam::NamedEnum<Enum, nEnum>::NamedEnum()
:
    HashTable<int>(2*nEnum)
{
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    for (int enumI = 0; enumI < nEnum; ++enumI)
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    {
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        if (!names[enumI] || names[enumI][0] == '\0')
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        {
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            stringList goodNames(enumI);
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            for (int i = 0; i < enumI; ++i)
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            {
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                goodNames[i] = names[i];
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            }

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            FatalErrorInFunction
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                << "Illegal enumeration name at position " << enumI << endl
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                << "after entries " << goodNames << ".\n"
                << "Possibly your NamedEnum<Enum, nEnum>::names array"
                << " is not of size " << nEnum << endl
                << abort(FatalError);
        }
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        insert(names[enumI], enumI);
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    }
}


// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //

template<class Enum, int nEnum>
Enum Foam::NamedEnum<Enum, nEnum>::read(Istream& is) const
{
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    const word name(is);
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    HashTable<int>::const_iterator iter = find(name);

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    if (!iter.found())
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    {
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        FatalIOErrorInFunction(is)
            << name << " is not in enumeration: "
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            << sortedToc() << exit(FatalIOError);
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    }

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    return Enum(*iter);
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}


template<class Enum, int nEnum>
void Foam::NamedEnum<Enum, nEnum>::write(const Enum e, Ostream& os) const
{
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    os  << operator[](e);
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}


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template<class Enum, int nEnum>
Foam::stringList Foam::NamedEnum<Enum, nEnum>::strings()
{
    stringList lst(nEnum);

    label nElem = 0;
    for (int enumI = 0; enumI < nEnum; ++enumI)
    {
        if (names[enumI] && names[enumI][0])
        {
            lst[nElem++] = names[enumI];
        }
    }

    lst.setSize(nElem);
    return lst;
}


template<class Enum, int nEnum>
Foam::wordList Foam::NamedEnum<Enum, nEnum>::words()
{
    wordList lst(nEnum);

    label nElem = 0;
    for (int enumI = 0; enumI < nEnum; ++enumI)
    {
        if (names[enumI] && names[enumI][0])
        {
            lst[nElem++] = names[enumI];
        }
    }

    lst.setSize(nElem);
    return lst;
}


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template<class Enum, int nEnum>
Foam::List<Enum> Foam::NamedEnum<Enum, nEnum>::enums()
{
    List<Enum> lst(nEnum);

    label nElem = 0;
    for (int enumI = 0; enumI < nEnum; ++enumI)
    {
        if (names[enumI] && names[enumI][0])
        {
            lst[nElem++] = Enum(enumI);
        }
    }

    lst.setSize(nElem);
    return lst;
}


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// ************************************************************************* //