OpenFOAM-dev / data /src /OpenFOAM /db /dictionary /functionEntries /includeIfPresentEntry /includeIfPresentEntry.H
| /*---------------------------------------------------------------------------*\ | |
| ========= | | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | |
| \\ / O peration | Website: https://openfoam.org | |
| \\ / A nd | Copyright (C) 2011-2026 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. | |
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| 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::includeIfPresentEntry | |
| Description | |
| Specify a file to include if it exists. Expects a single string to follow. | |
| The \c \#includeIfPresent directive is similar to the \c \#include | |
| directive, but does not generate an error if the file does not exist. | |
| Additionally optional arguments may be specified which are available for | |
| substitution in the included file e.g. | |
| \verbatim | |
| #includeIfPresent "regionFunctions"(region = heatedWall) | |
| \endverbatim | |
| See also | |
| Foam::functionEntries::includeEntry | |
| SourceFiles | |
| includeIfPresentEntry.C | |
| \*---------------------------------------------------------------------------*/ | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| namespace Foam | |
| { | |
| namespace functionEntries | |
| { | |
| /*---------------------------------------------------------------------------*\ | |
| Class includeIfPresentEntry Declaration | |
| \*---------------------------------------------------------------------------*/ | |
| class includeIfPresentEntry | |
| : | |
| public includeEntry | |
| { | |
| protected: | |
| // Protected Member Functions | |
| //- Return true if file presence is optional | |
| virtual bool includeIfPresent() const | |
| { | |
| return true; | |
| } | |
| public: | |
| //- Runtime type information | |
| FunctionTypeName("#includeIfPresent"); | |
| // Constructors | |
| //- Construct from line number, dictionary and Istream | |
| includeIfPresentEntry | |
| ( | |
| const label lineNumber, | |
| const dictionary& parentDict, | |
| Istream& is | |
| ); | |
| //- Copy construct | |
| includeIfPresentEntry(const includeIfPresentEntry&) = default; | |
| //- Clone | |
| virtual autoPtr<entry> clone(const dictionary&) const | |
| { | |
| return autoPtr<entry>(new includeIfPresentEntry(*this)); | |
| } | |
| // Member Functions | |
| //- Expand the functionEntry into the contextDict | |
| virtual bool execute(dictionary& contextDict, Istream&); | |
| //- Expand the functionEntry into the contextEntry | |
| static bool execute | |
| ( | |
| const dictionary& contextDict, | |
| primitiveEntry& contextEntry, | |
| Istream& | |
| ); | |
| // Member Operators | |
| //- Disallow default bitwise assignment | |
| void operator=(const includeIfPresentEntry&) = delete; | |
| }; | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| } // End namespace functionEntries | |
| } // End namespace Foam | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| // ************************************************************************* // | |