ENH: Added new particleMacros for creating/adding to particle property lists

src/lagrangian/basic/particle/particleMacros.H

+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 2012 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/>.
+
+InClass
+    Foam::particle
+
+Description
+    Macros for adding to particle property lists
+
+\*---------------------------------------------------------------------------*/
+
+#ifndef particleMacros_H
+#define particleMacros_H
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+#define DefinePropertyList(str)                                               \
+                                                                              \
+    static string propertyList_;                                              \
+                                                                              \
+    static string propertyList()                                              \
+    {                                                                         \
+        return str;                                                           \
+    }
+
+
+#define AddToPropertyList(ParcelType, str)                                    \
+                                                                              \
+    static string propertyList_;                                              \
+                                                                              \
+    static string propertyList()                                              \
+    {                                                                         \
+        return ParcelType::propertyList() + str;                              \
+    }
+
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace Foam
+
+#endif
+
+// ************************************************************************* //