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test_suite/dataStore.hxx

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+/*
+ * Copyright (C) 2018 Edward d'Auvergne
+ *
+ * This file is part of the program FlightGear.
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _FG_TEST_SUITE_DATA_STORE_HXX
+#define _FG_TEST_SUITE_DATA_STORE_HXX
+
+#include <simgear/misc/sg_path.hxx>
+
+
+// The data store singleton.
+class DataStore
+{
+public:
+    // Return the singleton, instantiating it if required.
+    static DataStore& get()
+    {
+        static DataStore instance;
+        return instance;
+    }
+
+    // Function deletion to allow the class to be a singleton.
+    DataStore(DataStore const&) = delete;
+    void operator=(DataStore const&) = delete;
+
+    // FGData path functions.
+    int findFGRoot(const std::string& fgRootCmdLineOpt, bool debug = false);
+    SGPath getFGRoot();
+    int validateFGRoot();
+
+private:
+    DataStore() = default;
+
+    // The path to FGData.
+    SGPath _fgRootPath;
+};
+
+
+#endif // _FG_TEST_SUITE_DATA_STORE_HXX