| /*---------------------------------------------------------------------------*\ | |
| ========= | | |
| \\ / 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/>. | |
| \*---------------------------------------------------------------------------*/ | |
| // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * // | |
| namespace Foam | |
| { | |
| namespace functionEntries | |
| { | |
| defineFunctionTypeNameAndDebug(negEntry, 0); | |
| addToMemberFunctionSelectionTable | |
| ( | |
| functionEntry, | |
| negEntry, | |
| execute, | |
| primitiveEntryIstream | |
| ); | |
| } | |
| } | |
| // * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * // | |
| Foam::string Foam::functionEntries::negEntry::negateVariable | |
| ( | |
| const dictionary& parentDict, | |
| Istream& is | |
| ) | |
| { | |
| // Read variable name as a word including the '$' | |
| const variable var(is); | |
| // Strip the leading '$' from the variable name | |
| const string varName = var(1, var.size() - 1); | |
| // Lookup the variable name in the parent dictionary.... | |
| const entry* ePtr = parentDict.lookupScopedEntryPtr(varName, true, false); | |
| if (ePtr && ePtr->isStream()) | |
| { | |
| const token variable(ePtr->stream()); | |
| // Convert to a string | |
| OStringStream os(is.format()); | |
| os << variable; | |
| const string str(os.str()); | |
| // Negate | |
| if (str[0] == '-') | |
| { | |
| return str(1, str.size() - 1); | |
| } | |
| else | |
| { | |
| return '-' + str; | |
| } | |
| } | |
| else | |
| { | |
| FatalIOErrorInFunction | |
| ( | |
| parentDict | |
| ) << "Unknown dictionary variable name " << varName << endl | |
| << "Valid dictionary entries are " << parentDict.toc() | |
| << exit(FatalIOError); | |
| return string::null; | |
| } | |
| } | |
| // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * // | |
| bool Foam::functionEntries::negEntry::execute | |
| ( | |
| const dictionary& contextDict, | |
| primitiveEntry& contextEntry, | |
| Istream& is | |
| ) | |
| { | |
| return insert(contextDict, contextEntry, negateVariable(contextDict, is)); | |
| } | |
| // ************************************************************************* // | |