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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2018-2025 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::ifEntry
Description
Conditional parsing of and within dictionary entries.
E.g.
\verbatim
Uinlet 15;
#if (#calc "${Uinlet} < 10")
..
#else
..
#endif
pOutlet #if (#calc "${Uinlet} < 10") 0 #else 100 #endif;
fluid waterAndSludge;
#if (#calc #{$fluid == "waterAndSludge" || $fluid == "waterAndSand" #})
mixture multicomponentMixture;
#else
mixture pureMixture;
#endif
\endverbatim
The condition should return any boolean representation supported by
\c Switch i.e 0, 1, true, false, on, off, yes, no.
See also
Foam::functionEntries::ifeqEntry
Foam::functionEntries::elseEntry
Foam::functionEntries::endifEntry
Foam::Switch
SourceFiles
ifEntry.C
\*---------------------------------------------------------------------------*/
#ifndef ifEntry_H
#define ifEntry_H
#include "ifeqEntry.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
namespace functionEntries
{
/*---------------------------------------------------------------------------*\
Class ifEntry Declaration
\*---------------------------------------------------------------------------*/
class ifEntry
:
public ifeqEntry
{
friend class ifeqEntry;
// Private Member Functions
//- Execute the functionEntry in the given context
template<class Context>
bool execute
(
DynamicList<filePos>& stack,
const dictionary& contextDict,
Context& context,
Istream& is
) const;
public:
//- Runtime type information
FunctionTypeName("#if");
// Constructors
//- Construct from line number, dictionary and Istream
ifEntry
(
const label lineNumber,
const dictionary& parentDict,
Istream& is
);
//- Copy construct
ifEntry(const ifEntry&) = default;
//- Clone
virtual autoPtr<entry> clone(const dictionary&) const
{
return autoPtr<entry>(new ifEntry(*this));
}
// Member Functions
//- Expand the functionEntry into the contextDict
virtual bool execute(dictionary& contextDict, Istream& is);
//- Expand the functionEntry into the contextEntry
static bool execute
(
const dictionary& contextDict,
primitiveEntry& contextEntry,
Istream&
);
// Member Operators
//- Disallow default bitwise assignment
void operator=(const ifEntry&) = delete;
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace functionEntries
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#ifdef NoRepository
#include "ifEntryTemplates.C"
#include "ifeqEntryTemplates.C"
#endif
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
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