src/Date.cc

   1 /*
   2  * Date.cc
   3  *
   4  *  Created on: Dec 7, 2010
   5  *      Author: lamikr
   6  */
   7
   8 #include <iostream>
   9
  10 #include <stdio.h>
  11 #include <time.h>
  12 #include <malloc.h>
  13
  14 #include <plp/log.h>
  15
  16 #include "Date.hh"
  17
  18 using namespace std;
  19 using namespace plp;
  20
  21 static const int CONST__DAYS_PER_MONTH[]        = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
  22
  23 Date::Date() {
  24         time_t          wtime;
  25         struct tm       *ltime;
  26
  27         time(&wtime);
  28         ltime   = localtime(&wtime);
  29         year    = 1900 + ltime->tm_year;
  30         month   = ltime->tm_mon + 1;    // ltime-month: values 0 - 11...
  31         day     = ltime->tm_mday;
  32         hour    = ltime->tm_hour;
  33         min     = ltime->tm_min;
  34         sec     = ltime->tm_sec;
  35 }
  36
  37 Date::Date(int year_param,
  38         int month_param,
  39         int day_param,
  40         int hour_param,
  41         int min_param,
  42         int sec_param) {
  43         year    = year_param;
  44         month   = month_param;
  45         day     = day_param;
  46         hour    = hour_param;
  47         min     = min_param;
  48         sec     = sec_param;
  49 }
  50
  51 Date::~Date() {
  52         // TODO Auto-generated destructor stub
  53 }
  54
  55 bool Date::is_leap_year() {
  56         bool    ret_val;
  57
  58         ret_val = false;
  59         if ((year % 4 == 0) &&
  60             ((year % 400 == 0) || (year % 100 != 0))) {
  61                 ret_val = true;
  62         }
  63         return ret_val;
  64 }
  65
  66 void Date::printout() {
  67         log_debug("%d-%02d-%02d %02d:%02d:%02d\n", year, month, day, hour, min, sec);
  68 }
  69
  70 Date *Date::clone() {
  71         Date    *ret_val;
  72
  73         ret_val = new Date(this->year,
  74                         this->month,
  75                         this->day,
  76                         this->hour,
  77                         this->min,
  78                         this->sec);
  79         return ret_val;
  80 }
  81
  82 void Date::copy(Date *date) {
  83         this->year      = date->year;
  84         this->month     = date->month;
  85         this->day       = date->day;
  86         this->hour      = date->hour;
  87         this->min       = date->min;
  88         this->sec       = date->sec;
  89 }
  90
  91 bool Date::before(Date date2) {
  92         bool    ret_val;
  93         string s1 = this->to_string();
  94         string s2 = date2.to_string();
  95
  96         ret_val = false;
  97         if (s1.compare(s2) < 0) {
  98                 ret_val = true;
  99         }
 100         return ret_val;
 101 }
 102
 103 bool Date::equals(Date date2) {
 104         bool ret_val;
 105
 106         ret_val = false;
 107         if ((this->sec == date2.sec) &&
 108             (this->min == date2.min) &&
 109             (this->hour == date2.hour) &&
 110             (this->day == date2.day) &&
 111             (this->month == date2.month) &&
 112             (this->year == date2.year)) {
 113                 ret_val = true;
 114         }
 115         return ret_val;
 116 }
 117
 118 void Date::tomorrow() {
 119         if ((month > 0) &&
 120             (month <= 12)) {
 121                 day++;
 122                 if (day > CONST__DAYS_PER_MONTH[month - 1]) {
 123                         if ((month == 2) &&
 124                             (is_leap_year() == true) &&
 125                             (day == 29)) {
 126                                 // ok
 127                         }
 128                         else {
 129                                 day     = 1;
 130                                 month++;
 131                                 if (month == 12) {
 132                                         year++;
 133                                         month   = 1;
 134                                 }
 135                         }
 136                 }
 137         }
 138 }
 139
 140 void Date::next_hour() {
 141         if ((hour >= 0) &&
 142             (hour <= 24)) {
 143                 hour++;
 144                 if (hour > 24) {
 145                         hour    = 0;
 146                         tomorrow();
 147                 }
 148         }
 149 }
 150
 151 void Date::inc_minutes(int minutes) {
 152         int     day_c;
 153         int     hour_c;
 154         int     ii;
 155
 156         day_c   = minutes / 1440;
 157         minutes = minutes - day_c * 1440;
 158         hour_c  = minutes / 60;
 159         minutes = minutes - hour_c * 60;
 160         for (ii = 0; ii < day_c; ii++) {
 161                 tomorrow();
 162         }
 163         for (ii = 0; ii < hour_c; ii++) {
 164                 hour++;
 165                 if (hour > 24) {
 166                         hour    = 0;
 167                         tomorrow();
 168                 }
 169         }
 170         min     = min + minutes;
 171         if (min >= 60) {
 172                 min     = min % 60;
 173                 hour++;
 174                 if (hour > 24) {
 175                         hour    = 0;
 176                         tomorrow();
 177                 }
 178         }
 179 }
 180
 181 void Date::inc_seconds(int seconds) {
 182         int     min_c;
 183
 184         min_c   = seconds / 60;
 185         seconds = seconds - min_c * 60;
 186         inc_minutes(min_c);
 187         sec     = sec + seconds;
 188         if (sec >= 60) {
 189                 sec     = sec % 60;
 190                 inc_minutes(1);
 191         }
 192 }
 193
 194 string Date::to_string() {
 195         char    buffer[30];
 196         string  ret_val;
 197
 198         sprintf(buffer, "%016d%02d%02d%02d%02d%02d", year, month, day, hour, min, sec);
 199         ret_val = buffer;
 200         return ret_val;
 201 }