Added first version of ScriptEngine, allowing Lua script to set propety values

include/openspace/scripting/scriptengine.h

@@ -0,0 +1,56 @@
+/*****************************************************************************************
+ *                                                                                       *
+ * OpenSpace                                                                             *
+ *                                                                                       *
+ * Copyright (c) 2014                                                                    *
+ *                                                                                       *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this  *
+ * software and associated documentation files (the "Software"), to deal in the Software *
+ * without restriction, including without limitation the rights to use, copy, modify,    *
+ * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to    *
+ * permit persons to whom the Software is furnished to do so, subject to the following   *
+ * conditions:                                                                           *
+ *                                                                                       *
+ * The above copyright notice and this permission notice shall be included in all copies *
+ * or substantial portions of the Software.                                              *
+ *                                                                                       *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,   *
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A         *
+ * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT    *
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF  *
+ * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE  *
+ * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                                         *
+ ****************************************************************************************/
+
+#ifndef __SCRIPTENGINE_H__
+#define __SCRIPTENGINE_H__
+
+#include <ghoul/lua/ghoul_lua.h>
+#include <set>
+
+class ScriptEngine {
+public:
+    struct LuaLibrary {
+        std::string name;
+        std::vector<std::pair<std::string, lua_CFunction>> functions;
+    };
+    
+    ScriptEngine();
+    
+    bool initialize();
+    void deinitialize();
+    
+    bool addLibrary(const LuaLibrary& library);
+    bool hasLibrary(const std::string& name);
+    
+    bool runScript(std::string script);
+    
+private:
+    bool isLibraryNameAllowed(const std::string& name);
+    void addLibraryFunctions(const LuaLibrary& library, bool replace);
+    
+    lua_State* _state;
+    std::set<unsigned int> _registeredLibraries;
+};
+
+#endif // __SCRIPTENGINE_H__