includeEntry.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 1991-2010 OpenCFD Ltd.
     \\/     M anipulation  |
-------------------------------------------------------------------------------
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.

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

\*---------------------------------------------------------------------------*/

#include "includeEntry.H"
#include <OpenFOAM/dictionary.H>
#include <OpenFOAM/IFstream.H>
#include <OpenFOAM/addToMemberFunctionSelectionTable.H>

// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //

const Foam::word Foam::functionEntries::includeEntry::typeName
(
    Foam::functionEntries::includeEntry::typeName_()
);

// Don't lookup the debug switch here as the debug switch dictionary
// might include includeEntry
int Foam::functionEntries::includeEntry::debug(0);

namespace Foam
{
namespace functionEntries
{
    addToMemberFunctionSelectionTable
    (
        functionEntry,
        includeEntry,
        execute,
        dictionaryIstream
    );

    addToMemberFunctionSelectionTable
    (
        functionEntry,
        includeEntry,
        execute,
        primitiveEntryIstream
    );
}
}

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

Foam::fileName Foam::functionEntries::includeEntry::includeFileName
(
    Istream& is
)
{
    fileName fName(is);
    fName.expand();

    // relative name
    if (fName.size() && fName[0] != '/')
    {
        fName = fileName(is.name()).path()/fName;
    }

    return fName;
}


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

bool Foam::functionEntries::includeEntry::execute
(
    dictionary& parentDict,
    Istream& is
)
{
    IFstream ifs(includeFileName(is));

    if (ifs)
    {
        parentDict.read(ifs);
        return true;
    }
    else
    {
        FatalIOErrorIn
        (
            "functionEntries::includeEntry::includeEntry"
            "(dictionary& parentDict, Istream&)",
            is
        )   << "Cannot open include file " << ifs.name()
            << " while reading dictionary " << parentDict.name()
            << exit(FatalIOError);

        return false;
    }
}


bool Foam::functionEntries::includeEntry::execute
(
    const dictionary& parentDict,
    primitiveEntry& entry,
    Istream& is
)
{
    IFstream ifs(includeFileName(is));

    if (ifs)
    {
        entry.read(parentDict, ifs);
        return true;
    }
    else
    {
        FatalIOErrorIn
        (
            "functionEntries::includeEntry::includeEntry"
            "(dictionary& parentDict, primitiveEntry&, Istream&)",
            is
        )   << "Cannot open include file " << ifs.name()
            << " while reading dictionary " << parentDict.name()
            << exit(FatalIOError);

        return false;
    }
}

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