src: Project Refactoring

* Added language specific Project and ProjectSettings
* moved project specific code from Application to Project
* made Application a singleton
* added handleDialog method to Application which displays a dialog window and waits for user input
* Added ScopedFunctor that executes a function when deleted

src/lib/CxxProject.h

@@ -0,0 +1,39 @@
+#ifndef CXX_PROJECT_H
+#define CXX_PROJECT_H
+
+#include <memory>
+
+#include "settings/CxxProjectSettings.h"
+#include "Project.h"
+
+class CxxProject: public Project
+{
+public:
+	virtual ~CxxProject();
+
+protected:
+	virtual std::shared_ptr<ProjectSettings> getProjectSettings();
+	virtual const std::shared_ptr<ProjectSettings> getProjectSettings() const;
+
+private:
+	CxxProject(std::shared_ptr<CxxProjectSettings> projectSettings, StorageAccessProxy* storageAccessProxy);
+	CxxProject(const CxxProject&);
+
+	virtual bool allowsRefresh();
+
+	virtual std::shared_ptr<Task> createIndexerTask(
+		PersistentStorage* storage,
+		std::shared_ptr<std::mutex> storageMutex,
+		std::shared_ptr<FileRegister> fileRegister);
+
+	virtual void updateFileManager(FileManager& fileManager);
+
+	Parser::Arguments getParserArguments() const;
+
+	std::shared_ptr<CxxProjectSettings> m_projectSettings;
+
+
+	friend Project;
+};
+
+#endif // CXX_PROJECT_H