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includeIfPresentEntry.H

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00001 /*---------------------------------------------------------------------------*\
00002   =========                 |
00003   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
00004    \\    /   O peration     |
00005     \\  /    A nd           | Copyright (C) 1991-2010 OpenCFD Ltd.
00006      \\/     M anipulation  |
00007 -------------------------------------------------------------------------------
00008 License
00009     This file is part of OpenFOAM.
00010 
00011     OpenFOAM is free software: you can redistribute it and/or modify it
00012     under the terms of the GNU General Public License as published by
00013     the Free Software Foundation, either version 3 of the License, or
00014     (at your option) any later version.
00015 
00016     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
00017     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00018     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
00019     for more details.
00020 
00021     You should have received a copy of the GNU General Public License
00022     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
00023 
00024 Class
00025     Foam::functionEntries::includeIfPresentEntry
00026 
00027 Description
00028     Specify a file to include if it exists. Expects a single string to follow.
00029 
00030     The @c \#includeIfPresent directive is similar to the @c \#include
00031     directive, but does not generate an error if the file does not exist.
00032 
00033 See Also
00034     Foam::functionEntries::includeEntry
00035 
00036 SourceFiles
00037     includeIfPresentEntry.C
00038 
00039 \*---------------------------------------------------------------------------*/
00040 
00041 #ifndef includeIfPresentEntry_H
00042 #define includeIfPresentEntry_H
00043 
00044 #include <OpenFOAM/includeEntry.H>
00045 
00046 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00047 
00048 namespace Foam
00049 {
00050 namespace functionEntries
00051 {
00052 
00053 /*---------------------------------------------------------------------------*\
00054                     Class includeIfPresentEntry Declaration
00055 \*---------------------------------------------------------------------------*/
00056 
00057 class includeIfPresentEntry
00058 :
00059     public includeEntry
00060 {
00061     // Private Member Functions
00062 
00063         //- Disallow default bitwise copy construct
00064         includeIfPresentEntry(const includeIfPresentEntry&);
00065 
00066         //- Disallow default bitwise assignment
00067         void operator=(const includeIfPresentEntry&);
00068 
00069 public:
00070 
00071     //- Runtime type information
00072     ClassName("includeIfPresent");
00073 
00074 
00075     // Member Functions
00076 
00077         //- Execute the functionEntry in a sub-dict context
00078         static bool execute(dictionary& parentDict, Istream&);
00079 
00080         //- Execute the functionEntry in a primitiveEntry context
00081         static bool execute
00082         (
00083             const dictionary& parentDict,
00084             primitiveEntry&,
00085             Istream&
00086         );
00087 
00088 };
00089 
00090 
00091 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00092 
00093 } // End namespace functionEntries
00094 } // End namespace Foam
00095 
00096 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00097 
00098 #endif
00099 
00100 // ************************ vim: set sw=4 sts=4 et: ************************ //
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