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OpenSpace/include/openspace/engine/configurationmanager.h

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/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2016 *
* *
* 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 __CONFIGURATIONMANAGER_H__
#define __CONFIGURATIONMANAGER_H__
#include <openspace/documentation/documentation.h>
#include <ghoul/misc/dictionary.h>
namespace openspace {
/**
* The ConfigurationManager takes care of loading the major configuration file
* <code>openspace.cfg</code> and making it available to the rest of the application. The
* exposed keys in the ghoul::Dictionary are declared in this class as static constants.
* The findConfiguration method walks the filesystem from a provided starting point until
* it found the requested file or throws a ghoul::RuntimeError if it could not find the
* file. The loadFromFile method then loads the file into a ghoul::Dictionary format.
*/
class ConfigurationManager : public ghoul::Dictionary {
public:
/// The key that stores the subdirectory containing all predefined path tokens
static const std::string KeyPaths;
/// The key that stores the location to the cache directory used to store all the
/// permanent and non-permanent cached files
static const std::string KeyCache;
/// The key that stores the main directory for fonts
static const std::string KeyFonts;
/// The key that stores the location of the SGCT configuration file that is used on
/// application launch
static const std::string KeyConfigSgct;
/// The part of the key that defines the type
static const std::string PartType;
/// The part of the key that defines the file
static const std::string PartFile;
/// The key that stores the Lua documentation
static const std::string KeyLuaDocumentation;
/// The key that stores the scripting log
static const std::string KeyScriptLog;
/// The key that stores the Property documentation
static const std::string KeyPropertyDocumentation;
/// The key that stores the keyboard bindings that should be stored
static const std::string KeyKeyboardShortcuts;
/// The key that stores the main documentation
static const std::string KeyDocumentation;
/// The key that stores the factory documentation values
static const std::string KeyFactoryDocumentation;
/// The key that stores the location of the scene file that is initially loaded
static const std::string KeyConfigScene;
/// The key that stores the subdirectory containing a list of all startup scripts to
/// be executed on application start before the scene file is loaded
static const std::string KeyStartupScript;
/// The key that stores the subdirectory containing a list of all settings scripts to
/// be executed on application start and after the scene file is loaded
static const std::string KeySettingsScript;
/// The key that stores the settings for determining log-related settings
static const std::string KeyLogging;
/// The key that stores the desired LogLevel for the whole application
/// \sa ghoul::logging::LogManager
static const std::string PartLogLevel;
/// The key that stores whether the log should be immediately flushed after a n
/// \sa ghoul::logging::LogManager
static const std::string PartImmediateFlush;
/// The key that stores a subdirectory with a description for additional
/// ghoul::logging::Log%s to be created
/// \sa LogFactory
static const std::string PartLogs;
/// The key that stores whether a log should be appended to or should be overwritten
static const std::string PartAppend;
/// The key that stores the verbosity (None, Minimal, Default, Full) of the system
/// capabilities components
static const std::string PartCapabilitiesVerbosity;
/// The full key that stores the verbosity of the system capabilities component
static const std::string KeyCapabilitiesVerbosity;
/// The key that stores the time (in seconds) that the application will wait before
/// shutting down after the shutdown call is made
static const std::string KeyShutdownCountdown;
/// The key that stores whether the onscreen text should be scaled to the window size
/// or the window resolution
static const std::string KeyOnScreenTextScaling;
/// The key that stores whether the master node should perform rendering just function
/// as a pure manager
static const std::string KeyDisableMasterRendering;
/// The key that sets the request URL that is used to request additional data to be
/// downloaded
static const std::string KeyDownloadRequestURL;
/// The key that stores the switch for enabling/disabling the rendering on a master
/// computer
static const std::string KeyRenderingMethod;
/// The key that determines whether a new cache folder is used for each scene file
static const std::string KeyPerSceneCache;
/// The key that stores the http proxy settings for the downloadmanager
static const std::string KeyHttpProxy;
/// The key that stores the address of the http proxy
static const std::string PartHttpProxyAddress;
/// The key that stores the port of the http proxy
static const std::string PartHttpProxyPort;
/// The key that stores the authentication method of the http proxy
static const std::string PartHttpProxyAuthentication;
/// The key that stores the username to use for authentication to access the http proxy
static const std::string PartHttpProxyUser;
/// The key that stores the password to use for authentication to access the http proxy
static const std::string PartHttpProxyPassword;
/**
* Iteratively walks the directory structure starting with \p filename to find the
* base name compoenent of \p filename. The directory structure is searched by first
* searching the current directory and then moving iteratively to the the parent
* directory.
* \param filename The fully qualified filename to be searched for
* \return The path to the file that was found with the same base name as \p filename
* but higher up in the file structure.
* \throw ghoul::RuntimeError If the configuration could not be found
*/
static std::string findConfiguration(const std::string& filename);
/**
* Load the provided configuration file (\p filename) into this Dictionary. All paths
* that are specified in the configuration file will automatically be registered in
* the ghoul::filesystem::FileSystem.
* \param filename The filename to be loaded
* \throw ghoul::FileNotFoundException If the \p filename did not exist
* \throw ghoul::RuntimeError If the configuration file was not complete (i.e., did
* not specify the necessary keys KeyPaths, KeyPaths.KeyCache, KeyFonts, and
* KeyConfigSgct)
* \throw ghoul::lua::LuaRuntimeException If there was Lua-based error loading the
* configuration file
* \pre \p filename must not be empty
*/
void loadFromFile(const std::string& filename);
static openspace::Documentation Documentation();
private:
/**
* Checks whether the loaded configuration file is complete, that is specifying the
* necessary keys KeyPaths, KeyPaths.KeyCache, KeyFonts, and KeyConfigSgct. The method
* will log fatal errors if a key is missing.
* \return <code>true</code> if the configuration file was complete;
* <code>false</code> otherwise
*/
bool checkCompleteness() const;
};
} // namespace openspace
#endif // __CONFIGURATIONMANAGER_H__