Feature/configuration (#605)

* Switch openspace.cfg file from a Dictionary-based loading to a variable based loading
 * Change ConfigurationManager to not use Dictionary anymore, but a struct with explicit configuration values instead

include/openspace/engine/configuration.h

@@ -0,0 +1,134 @@
+/*****************************************************************************************
+ *                                                                                       *
+ * OpenSpace                                                                             *
+ *                                                                                       *
+ * Copyright (c) 2014-2018                                                               *
+ *                                                                                       *
+ * 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 __OPENSPACE_CORE___CONFIGURATION___H__
+#define __OPENSPACE_CORE___CONFIGURATION___H__
+
+#include <ghoul/lua/luastate.h>
+#include <ghoul/misc/dictionary.h>
+#include <map>
+#include <string>
+#include <vector>
+
+namespace openspace {
+
+namespace documentation { struct Documentation; }
+
+struct Configuration {
+    std::string windowConfiguration = "${CONFIG}/single.xml";
+    std::string asset = "default";
+    std::vector<std::string> globalCustomizationScripts;
+    std::map<std::string, std::string> pathTokens;
+    std::map<std::string, std::string> fonts;
+
+    struct Logging {
+        std::string level = "Info";
+        std::string directory = "${BASE}";
+        std::string performancePrefix = "PM-";
+        bool forceImmediateFlush = false;
+        std::string capabilitiesVerbosity = "Default";
+        std::vector<ghoul::Dictionary> logs;
+    };
+    Logging logging;
+
+    std::string scriptLog = "";
+
+    struct DocumentationInfo {
+        std::string lua = "";
+        std::string property = "";
+        std::string sceneProperty = "";
+        std::string keyboard = "";
+        std::string documentation = "";
+        std::string factory = "";
+        std::string license = "";
+    };
+    DocumentationInfo documentation;
+
+    bool useMultithreadedInitialization = false;
+
+    struct LoadingScreen {
+        bool isShowingMessages = true;
+        bool isShowingNodeNames = true;
+        bool isShowingProgressbar = true;
+    };
+    LoadingScreen loadingScreen;
+
+    bool isCheckingOpenGLState = false;
+    bool isLoggingOpenGLCalls = false;
+
+    float shutdownCountdown = 0.f;
+
+    bool shouldUseScreenshotDate = false;
+
+    std::string onScreenTextScaling = "window";
+    bool usePerSceneCache = false;
+    
+    bool isRenderingOnMasterDisabled = false;
+    bool isSceneTranslationOnMasterDisabled = false;
+
+    std::map<std::string, ghoul::Dictionary> moduleConfigurations;
+
+    std::string renderingMethod = "Framebuffer";
+    
+    struct OpenGLDebugContext {
+        bool isActive = false;
+        bool isSynchronous = true;
+        struct IdentifierFilter {
+            std::string type = "";
+            std::string source = "";
+            unsigned int identifier = 0;
+        };
+        std::vector<IdentifierFilter> identifierFilters;
+        std::vector<std::string> severityFilters;
+    };
+    OpenGLDebugContext openGLDebugContext;
+
+    std::string serverPasskey = "17308";
+    bool doesRequireSocketAuthentication = true;
+    std::vector<std::string> clientAddressWhitelist = {};
+    std::string webHelperLocation = "";
+    std::string cefWebGuiUrl = "";
+
+    struct HTTPProxy {
+        bool usingHttpProxy = false;
+        std::string address;
+        unsigned int port = 0;
+        std::string authentication = "BASIC";
+        std::string user;
+        std::string password;
+    };
+    HTTPProxy httpProxy;
+
+
+    static documentation::Documentation Documentation;
+    ghoul::lua::LuaState state;
+};
+
+std::string findConfiguration(const std::string& filename = "openspace.cfg");
+
+Configuration loadConfigurationFromFile(const std::string& filename);
+
+} // namespace openspace
+
+#endif // __OPENSPACE_CORE___CONFIGURATION___H__