mirror of
https://github.com/Relintai/rcpp_framework.git
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326 lines
8.1 KiB
C++
326 lines
8.1 KiB
C++
/**
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*
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* Date.cc
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* An Tao
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*
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* Public header file in trantor lib.
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*
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* Copyright 2018, An Tao. All rights reserved.
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* Use of this source code is governed by a BSD-style license
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* that can be found in the License file.
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*
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*
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*/
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#include "date.h"
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#include "core/utilities.h"
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#ifndef _WIN32
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#include <sys/time.h>
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#endif
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#include <string.h>
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#include <cstdlib>
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#include <iostream>
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#ifdef _WIN32
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#include <WinSock2.h>
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#include <time.h>
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#endif
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namespace trantor {
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#ifdef _WIN32
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int gettimeofday(timeval *tp, void *tzp) {
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time_t clock;
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struct tm tm;
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SYSTEMTIME wtm;
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GetLocalTime(&wtm);
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tm.tm_year = wtm.wYear - 1900;
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tm.tm_mon = wtm.wMonth - 1;
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tm.tm_mday = wtm.wDay;
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tm.tm_hour = wtm.wHour;
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tm.tm_min = wtm.wMinute;
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tm.tm_sec = wtm.wSecond;
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tm.tm_isdst = -1;
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clock = mktime(&tm);
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tp->tv_sec = static_cast<long>(clock);
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tp->tv_usec = wtm.wMilliseconds * 1000;
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return (0);
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}
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#endif
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const Date Date::date() {
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#ifndef _WIN32
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struct timeval tv;
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gettimeofday(&tv, NULL);
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int64_t seconds = tv.tv_sec;
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return Date(seconds * MICRO_SECONDS_PRE_SEC + tv.tv_usec);
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#else
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timeval tv;
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gettimeofday(&tv, NULL);
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int64_t seconds = tv.tv_sec;
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return Date(seconds * MICRO_SECONDS_PRE_SEC + tv.tv_usec);
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#endif
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}
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const Date Date::after(double second) const {
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return Date(static_cast<int64_t>(microSecondsSinceEpoch_ +
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second * MICRO_SECONDS_PRE_SEC));
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}
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const Date Date::roundSecond() const {
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return Date(microSecondsSinceEpoch_ -
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(microSecondsSinceEpoch_ % MICRO_SECONDS_PRE_SEC));
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}
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const Date Date::roundDay() const {
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struct tm t;
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time_t seconds =
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static_cast<time_t>(microSecondsSinceEpoch_ / MICRO_SECONDS_PRE_SEC);
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#ifndef _WIN32
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localtime_r(&seconds, &t);
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#else
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localtime_s(&t, &seconds);
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#endif
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t.tm_hour = 0;
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t.tm_min = 0;
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t.tm_sec = 0;
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return Date(mktime(&t) * MICRO_SECONDS_PRE_SEC);
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}
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struct tm Date::tmStruct() const {
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time_t seconds =
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static_cast<time_t>(microSecondsSinceEpoch_ / MICRO_SECONDS_PRE_SEC);
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struct tm tm_time;
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#ifndef _WIN32
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gmtime_r(&seconds, &tm_time);
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#else
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gmtime_s(&tm_time, &seconds);
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#endif
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return tm_time;
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}
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std::string Date::toFormattedString(bool showMicroseconds) const {
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// std::cout<<"toFormattedString"<<std::endl;
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char buf[128] = { 0 };
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time_t seconds =
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static_cast<time_t>(microSecondsSinceEpoch_ / MICRO_SECONDS_PRE_SEC);
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struct tm tm_time;
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#ifndef _WIN32
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gmtime_r(&seconds, &tm_time);
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#else
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gmtime_s(&tm_time, &seconds);
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#endif
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if (showMicroseconds) {
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int microseconds =
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static_cast<int>(microSecondsSinceEpoch_ % MICRO_SECONDS_PRE_SEC);
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snprintf(buf,
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sizeof(buf),
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"%4d%02d%02d %02d:%02d:%02d.%06d",
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tm_time.tm_year + 1900,
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tm_time.tm_mon + 1,
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tm_time.tm_mday,
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tm_time.tm_hour,
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tm_time.tm_min,
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tm_time.tm_sec,
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microseconds);
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} else {
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snprintf(buf,
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sizeof(buf),
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"%4d%02d%02d %02d:%02d:%02d",
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tm_time.tm_year + 1900,
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tm_time.tm_mon + 1,
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tm_time.tm_mday,
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tm_time.tm_hour,
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tm_time.tm_min,
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tm_time.tm_sec);
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}
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return buf;
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}
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std::string Date::toCustomedFormattedString(const std::string &fmtStr,
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bool showMicroseconds) const {
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char buf[256] = { 0 };
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time_t seconds =
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static_cast<time_t>(microSecondsSinceEpoch_ / MICRO_SECONDS_PRE_SEC);
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struct tm tm_time;
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#ifndef _WIN32
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gmtime_r(&seconds, &tm_time);
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#else
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gmtime_s(&tm_time, &seconds);
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#endif
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strftime(buf, sizeof(buf), fmtStr.c_str(), &tm_time);
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if (!showMicroseconds)
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return std::string(buf);
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char decimals[12] = { 0 };
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int microseconds =
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static_cast<int>(microSecondsSinceEpoch_ % MICRO_SECONDS_PRE_SEC);
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snprintf(decimals, sizeof(decimals), ".%06d", microseconds);
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return std::string(buf) + decimals;
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}
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void Date::toCustomedFormattedString(const std::string &fmtStr,
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char *str,
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size_t len) const {
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// not safe
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time_t seconds =
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static_cast<time_t>(microSecondsSinceEpoch_ / MICRO_SECONDS_PRE_SEC);
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struct tm tm_time;
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#ifndef _WIN32
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gmtime_r(&seconds, &tm_time);
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#else
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gmtime_s(&tm_time, &seconds);
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#endif
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strftime(str, len, fmtStr.c_str(), &tm_time);
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}
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std::string Date::toFormattedStringLocal(bool showMicroseconds) const {
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// std::cout<<"toFormattedString"<<std::endl;
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char buf[128] = { 0 };
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time_t seconds =
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static_cast<time_t>(microSecondsSinceEpoch_ / MICRO_SECONDS_PRE_SEC);
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struct tm tm_time;
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#ifndef _WIN32
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localtime_r(&seconds, &tm_time);
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#else
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localtime_s(&tm_time, &seconds);
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#endif
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if (showMicroseconds) {
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int microseconds =
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static_cast<int>(microSecondsSinceEpoch_ % MICRO_SECONDS_PRE_SEC);
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snprintf(buf,
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sizeof(buf),
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"%4d%02d%02d %02d:%02d:%02d.%06d",
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tm_time.tm_year + 1900,
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tm_time.tm_mon + 1,
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tm_time.tm_mday,
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tm_time.tm_hour,
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tm_time.tm_min,
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tm_time.tm_sec,
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microseconds);
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} else {
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snprintf(buf,
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sizeof(buf),
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"%4d%02d%02d %02d:%02d:%02d",
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tm_time.tm_year + 1900,
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tm_time.tm_mon + 1,
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tm_time.tm_mday,
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tm_time.tm_hour,
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tm_time.tm_min,
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tm_time.tm_sec);
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}
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return buf;
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}
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std::string Date::toDbStringLocal() const {
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char buf[128] = { 0 };
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time_t seconds =
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static_cast<time_t>(microSecondsSinceEpoch_ / MICRO_SECONDS_PRE_SEC);
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struct tm tm_time;
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#ifndef _WIN32
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localtime_r(&seconds, &tm_time);
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#else
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localtime_s(&tm_time, &seconds);
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#endif
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bool showMicroseconds =
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(microSecondsSinceEpoch_ % MICRO_SECONDS_PRE_SEC != 0);
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if (showMicroseconds) {
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int microseconds =
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static_cast<int>(microSecondsSinceEpoch_ % MICRO_SECONDS_PRE_SEC);
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snprintf(buf,
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sizeof(buf),
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"%4d-%02d-%02d %02d:%02d:%02d.%06d",
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tm_time.tm_year + 1900,
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tm_time.tm_mon + 1,
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tm_time.tm_mday,
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tm_time.tm_hour,
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tm_time.tm_min,
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tm_time.tm_sec,
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microseconds);
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} else {
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if (*this == roundDay()) {
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snprintf(buf,
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sizeof(buf),
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"%4d-%02d-%02d",
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tm_time.tm_year + 1900,
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tm_time.tm_mon + 1,
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tm_time.tm_mday);
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} else {
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snprintf(buf,
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sizeof(buf),
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"%4d-%02d-%02d %02d:%02d:%02d",
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tm_time.tm_year + 1900,
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tm_time.tm_mon + 1,
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tm_time.tm_mday,
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tm_time.tm_hour,
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tm_time.tm_min,
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tm_time.tm_sec);
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}
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}
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return buf;
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}
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Date Date::fromDbStringLocal(const std::string &datetime) {
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unsigned int year = { 0 }, month = { 0 }, day = { 0 }, hour = { 0 }, minute = { 0 },
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second = { 0 }, microSecond = { 0 };
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std::vector<std::string> &&v = Utilities::splitString(datetime, " ");
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if (2 == v.size()) {
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// date
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std::vector<std::string> date = Utilities::splitString(v[0], "-");
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if (3 == date.size()) {
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year = std::stol(date[0]);
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month = std::stol(date[1]);
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day = std::stol(date[2]);
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std::vector<std::string> time = Utilities::splitString(v[1], ":");
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if (2 < time.size()) {
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hour = std::stol(time[0]);
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minute = std::stol(time[1]);
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auto seconds = Utilities::splitString(time[2], ".");
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second = std::stol(seconds[0]);
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if (1 < seconds.size()) {
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if (seconds[1].length() > 6) {
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seconds[1].resize(6);
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} else if (seconds[1].length() < 6) {
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seconds[1].append(6 - seconds[1].length(), '0');
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}
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microSecond = std::stol(seconds[1]);
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}
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}
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}
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}
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return std::move(
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trantor::Date(year, month, day, hour, minute, second, microSecond));
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}
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std::string Date::toCustomedFormattedStringLocal(const std::string &fmtStr,
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bool showMicroseconds) const {
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char buf[256] = { 0 };
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time_t seconds =
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static_cast<time_t>(microSecondsSinceEpoch_ / MICRO_SECONDS_PRE_SEC);
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struct tm tm_time;
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#ifndef _WIN32
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localtime_r(&seconds, &tm_time);
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#else
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localtime_s(&tm_time, &seconds);
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#endif
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strftime(buf, sizeof(buf), fmtStr.c_str(), &tm_time);
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if (!showMicroseconds)
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return std::string(buf);
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char decimals[12] = { 0 };
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int microseconds =
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static_cast<int>(microSecondsSinceEpoch_ % MICRO_SECONDS_PRE_SEC);
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snprintf(decimals, sizeof(decimals), ".%06d", microseconds);
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return std::string(buf) + decimals;
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}
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Date::Date(unsigned int year,
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unsigned int month,
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unsigned int day,
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unsigned int hour,
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unsigned int minute,
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unsigned int second,
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unsigned int microSecond) {
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struct tm tm;
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memset(&tm, 0, sizeof(tm));
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tm.tm_isdst = -1;
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time_t epoch;
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tm.tm_year = year - 1900;
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tm.tm_mon = month - 1;
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tm.tm_mday = day;
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tm.tm_hour = hour;
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tm.tm_min = minute;
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tm.tm_sec = second;
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epoch = mktime(&tm);
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microSecondsSinceEpoch_ = epoch * MICRO_SECONDS_PRE_SEC + microSecond;
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}
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} // namespace trantor
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