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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Copyright (C) 2023-2026 OpenFOAM Foundation
     \\/     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/>.

Class
    Foam::functionEntries::codeIncludeEntry

Description
    Specify an include file or list of files for \#calc within \#codeBlock

    For example if functions from transform.H are used in the \#calc expression
    \verbatim
    angleOfAttack   5; // degs

    #codeBlock
    angle           #calc "-degToRad($angleOfAttack)";

    #codeInclude    "transform.H"
    liftDir         #calc "transform(Ry($angle), vector(0, 0, 1))";
    dragDir         #calc "transform(Ry($angle), vector(1, 0, 0))";
    #endCodeBlock
    \endverbatim

    The usual expansion of environment variables and other constructs
    (eg, the ~OpenFOAM/ expansion) is retained.

    If multiple include files are required multiple \#codeInclude entries can
    be used or more conveniently a list of file names specified, e.g.
    \verbatim
    #codeInclude    ("transform.H" "Field.H")
    \endverbatim
    or formatted in a column if is a larger number of include files required:
    \verbatim
    #codeInclude
    (
        "transform.H"
        "Field.H"
    )
    \endverbatim

See also
    Foam::functionEntries::calcEntry

SourceFiles
    codeIncludeEntry.C

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

#ifndef codeIncludeEntry_H
#define codeIncludeEntry_H

#include "functionEntry.H"

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

namespace Foam
{
namespace functionEntries
{

/*---------------------------------------------------------------------------*\
                        Class codeIncludeEntry Declaration
\*---------------------------------------------------------------------------*/

class codeIncludeEntry
:
    public functionEntry
{
    // Private  data

        //- List of file names
        List<fileName> fNames_;


public:

    //- Runtime type information
    FunctionTypeName("#codeInclude");


    // Constructors

        //- Construct from line number, dictionary and Istream
        codeIncludeEntry
        (
            const label lineNumber,
            const dictionary& parentDict,
            Istream& is
        );

        //- Copy construct
        codeIncludeEntry(const codeIncludeEntry&) = default;

        //- Clone
        virtual autoPtr<entry> clone(const dictionary&) const
        {
            return autoPtr<entry>(new codeIncludeEntry(*this));
        }


    // Member Functions

        //- Execute the functionEntry in a sub-dict context
        virtual bool execute(dictionary& parentDict, Istream&);

        //- Return the include file names
        const List<fileName>& fileNames() const
        {
            return fNames_;
        }

        //- Add the codeInclude entry to codeDict
        static void addCodeInclude
        (
            const List<fileName>& fileNames,
            const dictionary& contextDict,
            dictionary& codeDict
        );


    // Member Operators

        //- Disallow default bitwise assignment
        void operator=(const codeIncludeEntry&) = delete;
};


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

} // End namespace functionEntries
} // End namespace Foam

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

#endif

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