ENH: Added new ceeateZeroDirectory utility

Uses a system/caseProperties file to select templates from
etc/caseDicts/createZeroDirectoryTemplates to enable high-level setup
of a case.
See
- etc/caseDicts/createZeroDirectoryTemplates
- tutorials/preProcessing/createZeroDirectory

applications/utilities/preProcessing/createZeroDirectory/boundaryInfo.H

@@ -0,0 +1,124 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 2015 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::boundaryInfo
+
+Description
+    Class to interrogate the polyMesh/boundary file to provide mesh patching
+    information, without the need to read the mesh.
+
+\*---------------------------------------------------------------------------*/
+
+#ifndef boundaryInfo_H
+#define boundaryInfo_H
+
+#include "boolList.H"
+#include "wordList.H"
+#include "HashSet.H"
+#include "IOPtrList.H"
+#include "entry.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+
+class Time;
+
+/*---------------------------------------------------------------------------*\
+                        Class boundaryInfo Declaration
+\*---------------------------------------------------------------------------*/
+
+class boundaryInfo
+{
+    // Private data
+
+        //- Boundary dictionary
+        IOPtrList<entry> boundaryDict_;
+
+        //- Patch names
+        wordList names_;
+
+        //- Patch types
+        wordList types_;
+
+        //- Constraint flag
+        boolList constraint_;
+
+        //- Groups per patch
+        List<wordList> groups_;
+
+        //- Set of all group names
+        wordHashSet allGroupNames_;
+
+
+    // Private member functions
+
+        //- Read the boundary dict
+        IOPtrList<entry> readBoundaryDict
+        (
+            const Time& runTime,
+            const word& regionName
+        ) const;
+
+
+public:
+
+    //- Constructor
+    boundaryInfo(const Time& runTime, const word& regionName);
+
+
+    // Public member functions
+
+        //- Patch names
+        const wordList& names() const;
+
+        //- Patch types
+        const wordList& types() const;
+
+        //- Constraint flag
+        const boolList& constraint() const;
+
+        //- Groups
+        const List<wordList>& groups() const;
+
+        //- Set of all group names
+        const wordHashSet& allGroupNames() const;
+
+        //- Set the patch type based on the condition
+        void setType(const label patchI, const word& condition);
+
+        //- Write the boundary dictionary
+        void write() const;
+};
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace Foam
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+#endif
+
+// ************************************************************************* //