make the file logger work with Nabla files

Author: devshgraphicsprogramming

include/nbl/system/CFileLogger.h

@@ -1,34 +1,31 @@
 #ifndef _NBL_SYSTEM_C_FILE_LOGGER_INCLUDED_
 #define _NBL_SYSTEM_C_FILE_LOGGER_INCLUDED_
 
-#include <filesystem>
-#include <fstream>
-
-#include "IThreadsafeLogger.h"
+#include "nbl/system/IThreadsafeLogger.h"
+#include "nbl/system/IFile.h"
 
 namespace nbl::system
 {
 
 class CFileLogger : public IThreadsafeLogger
 {
 	public:
-		static core::smart_refctd_ptr<CFileLogger> create(const std::filesystem::path& outputFileName)
-		{
-			auto ret = core::smart_refctd_ptr<CFileLogger>(new CFileLogger(outputFileName));
-			if (!ret->m_ofs.is_open()) return nullptr;
-			return ret;
-		}
-		~CFileLogger()
+		CFileLogger(core::smart_refctd_ptr<IFile>&& _file, const core::bitflag<E_LOG_LEVEL> logLevelMask=ILogger::defaultLogMask())
+			: IThreadsafeLogger(logLevelMask), m_file(std::move(_file))
 		{
 		}
-	private:
-		std::ofstream m_ofs;
-		CFileLogger(const std::filesystem::path& outputFileName, core::bitflag<E_LOG_LEVEL> logLevelMask = ILogger::defaultLogMask()) : IThreadsafeLogger(logLevelMask), m_ofs(outputFileName, std::ios_base::app){}
+
+	protected:
+		~CFileLogger() = default;
 
 		virtual void threadsafeLog_impl(const std::string_view& fmt, E_LOG_LEVEL logLevel, va_list args) override
 		{
-			m_ofs << constructLogString(fmt, logLevel, args).data() << std::flush;
+			const auto str = constructLogString(fmt, logLevel, args);
+			ISystem::future_t<size_t> future;
+			m_file->write(future,str.data(),m_file->getSize(),str.length());
 		}
+
+		core::smart_refctd_ptr<IFile> m_file;
 };
 
 }