MProfiler.cpp

#include "MProfiler.h"

#include <iostream>
#include <stdio.h>

MProfiler::MProfiler(const char* Name, bool PrintTimeOnStop) noexcept : MProfiler(std::string_view(Name), PrintTimeOnStop) {}

MProfiler::MProfiler(std::string_view Name, bool PrintTimeOnStop) noexcept : IsStopped(false), Name(std::move(Name)) {
	ShouldPrintTimeOnStop = false;
	(void)Restart();
	ShouldPrintTimeOnStop = PrintTimeOnStop;
}

MProfiler::~MProfiler() noexcept { (void)Stop(); }

MProfiler::Nanoseconds CalculateNanos(auto Start, auto End) noexcept {
	return std::chrono::nanoseconds(End - Start).count();
}

MProfiler::Nanoseconds MProfiler::Restart() const noexcept {
	Nanoseconds prevTime = Stop();
	Start = std::chrono::high_resolution_clock::now();
    IsStopped = false;
	return prevTime;
}

MProfiler::Nanoseconds MProfiler::Stop() const noexcept {
	if (!IsStopped) End = std::chrono::high_resolution_clock::now();
	IsStopped = true;
	Nanoseconds nanos = CalculateNanos(Start, End);
	if(ShouldPrintTimeOnStop) std::cout << "MProfiler \"" << Name << "\"\n" << "Time: " << nanos / 1.0e9L << std::endl;
	return nanos;
}