includeEtcEntry.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2015 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::includeEtcEntry
 
Description
    Specify an etc file to include when reading dictionaries, expects a
    single string to follow.
 
    Searches for files from user/group/shipped directories.
    The search scheme allows for version-specific and
    version-independent files using the following hierarchy:
    - \b user settings:
      - ~/.OpenFOAM/<VERSION>
      - ~/.OpenFOAM/
    - \b group (site) settings (when $WM_PROJECT_SITE is set):
      - $WM_PROJECT_SITE/<VERSION>
      - $WM_PROJECT_SITE
    - \b group (site) settings (when $WM_PROJECT_SITE is not set):
      - $WM_PROJECT_INST_DIR/site/<VERSION>
      - $WM_PROJECT_INST_DIR/site/
    - \b other (shipped) settings:
      - $WM_PROJECT_DIR/etc/
 
    An example of the \c \#includeEtc directive:
    \verbatim
        #includeEtc "etcFile"
    \endverbatim
 
    The usual expansion of environment variables and other constructs is
    retained.
 
See Also
    findEtcFile, fileName, string::expand()
 
SourceFiles
    includeEtcEntry.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef includeEtcEntry_H
#define includeEtcEntry_H
 
#include "functionEntry.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace functionEntries
{
 
/*---------------------------------------------------------------------------*\
                        Class includeEtcEntry Declaration
\*---------------------------------------------------------------------------*/
 
class includeEtcEntry
:
    public functionEntry
{
    // Private Member Functions
 
        //- Disallow default bitwise copy construct
        includeEtcEntry(const includeEtcEntry&);
 
        //- Disallow default bitwise assignment
        void operator=(const includeEtcEntry&);
 
        //- Expand include fileName and return
        static fileName includeEtcFileName
        (
            const fileName&,
            const dictionary&
        );
 
 
public:
 
    // Static data members
 
        //- Report which file is included to stdout
        static bool report;
 
 
    //- Runtime type information
    ClassName("includeEtc");
 
 
    // Member Functions
 
        //- Execute the functionEntry in a sub-dict context
        static bool execute(dictionary& parentDict, Istream&);
 
        //- Execute the functionEntry in a primitiveEntry context
        static bool execute
        (
            const dictionary& parentDict,
            primitiveEntry&,
            Istream&
        );
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace functionEntries
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //