+struct Timer::Private
+{
+ time_t start_time;
+};
+
+
+Timer::Timer() : d(new Private)
+{
+ restart();
+}
+
+
+Timer::~Timer()
+{
+ delete d;
+}
+
+
+void Timer::restart()
+{
+ time(&d->start_time);
+}
+
+
+int Timer::elapsed() const
+{
+ time_t end_time;
+ time(&end_time);
+ double diff = difftime(end_time, d->start_time);
+ return int(diff);
+}
+
+
+string Timer::timeStr(char separator) const
+{
+ tm * timeinfo = localtime(&d->start_time);
+ // With less flexibility we could also use:
+ //strftime(buffer, 10, "%X", timeinfo);
+ ostringstream out;
+ out << setw(2) << setfill('0');
+ if (separator) {
+ out << separator << setw(2) << setfill('0') << timeinfo->tm_hour
+ << separator << setw(2) << setfill('0') << timeinfo->tm_min
+ << separator << setw(2) << setfill('0') << timeinfo->tm_sec;
+ } else {
+ out << setw(2) << setfill('0') << timeinfo->tm_hour
+ << setw(2) << setfill('0') << timeinfo->tm_min
+ << setw(2) << setfill('0') << timeinfo->tm_sec;
+ }
+ return out.str();
+}
+
+
+string Timer::dateStr(char separator) const
+{
+ tm * timeinfo = localtime(&d->start_time);
+ // With less flexibility we could also use:
+ //res = strftime(buffer, 10, "%d%m%y", timeinfo);
+ ostringstream out;
+ out << setw(2) << setfill('0') << timeinfo->tm_mday;
+ if (separator)
+ out << separator;
+ out << setw(2) << setfill('0') << timeinfo->tm_mon;
+ if (separator)
+ out << separator;
+ out << setw(2) << setfill('0') << timeinfo->tm_year - 100;
+ return out.str();
+}
+
+
+string Timer::toStr() const
+{
+ tm * timeinfo = localtime(&d->start_time);
+ return asctime(timeinfo);
+}
+
+
+string Timer::currentToStr()
+{
+ time_t current_time;
+ time(¤t_time);
+ tm * timeinfo = localtime(¤t_time);
+ return asctime(timeinfo);
+}
+