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@@ -0,0 +1,62 @@
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+#pragma once
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+
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+#include <chrono>
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+#include <string>
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+#include <iostream>
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+#include <iomanip>
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+
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+class TimeTool {
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+public:
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+ enum TemporalPrecision {
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+ TemporalPrecisionYear = 0,
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+ TemporalPrecisionMount = 4,
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+ TemporalPrecisionDay = 6,
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+ TemporalPrecisionHour = 8,
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+ TemporalPrecisionMin = 10,
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+ TemporalPrecisionSec = 12,
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+ TemporalPrecisionMs = 15,
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+ };
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+public:
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+ static std::string timeDropoutStr(TemporalPrecision begain = TemporalPrecisionMs, TemporalPrecision end = TemporalPrecisionYear) {
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+ std::stringstream time;
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+ std::string t = getTime();
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+ int max = begain;
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+ int min = end;
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+ if (begain == TemporalPrecisionYear) {
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+ max += 3;
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+ } else if (begain == TemporalPrecisionMs) {
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+ max += 2;
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+ } else {
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+ max +=1;
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+ }
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+ for (int i = min; i < max; i++) {
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+ time << t[i];
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+ }
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+ t.clear();
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+ time >> t;
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+ return t;
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+ }
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+
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+ static unsigned long long timeDropoutLL(TemporalPrecision begain = TemporalPrecisionMs, TemporalPrecision end = TemporalPrecisionYear) {
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+ std::string str = timeDropoutStr(begain, end);
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+ if (str.empty()) {
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+ return 0;
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+ }
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+ unsigned long long time_dropout = std::stoull(str);
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+ return time_dropout;
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+ }
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+
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+private:
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+ static std::string getTime() {
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+ auto now = std::chrono::system_clock::now();
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+ auto timet = std::chrono::system_clock::to_time_t(now);
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+ auto localTime = *std::gmtime(&timet);
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+ auto ms = std::chrono::time_point_cast<std::chrono::milliseconds>(now).time_since_epoch().count() % 1000;
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+ std::stringstream ss;
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+ std::string str;
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+ ss << std::put_time(&localTime, "%Y%m%d%H%M%S") << std::setfill('0') << std::setw(3) << ms;
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+ ss >> str;
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+ return str;
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+ }
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+};
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+
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LiuZe