[270] | 1 | /*
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| 2 | ** time.c - Time class
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| 3 | **
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| 4 | ** See Copyright Notice in mruby.h
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| 5 | */
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| 6 |
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| 7 | #include <math.h>
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| 8 | #include <stdio.h>
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| 9 | #include <time.h>
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| 10 | #include "mruby.h"
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| 11 | #include "mruby/class.h"
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| 12 | #include "mruby/data.h"
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| 13 |
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| 14 | #if !defined(__MINGW64__) && defined(_WIN32)
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| 15 | # define llround(x) round(x)
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| 16 | #endif
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| 17 |
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| 18 | #if defined(__MINGW64__) || defined(__MINGW32__)
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| 19 | # include <sys/time.h>
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| 20 | #endif
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| 21 |
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| 22 | /** Time class configuration */
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| 23 |
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| 24 | /* gettimeofday(2) */
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| 25 | /* C99 does not have gettimeofday that is required to retrieve microseconds */
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| 26 | /* uncomment following macro on platforms without gettimeofday(2) */
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| 27 | /* #define NO_GETTIMEOFDAY */
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| 28 |
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| 29 | /* gmtime(3) */
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| 30 | /* C99 does not have reentrant gmtime_r() so it might cause troubles under */
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| 31 | /* multi-threading environment. undef following macro on platforms that */
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| 32 | /* does not have gmtime_r() and localtime_r(). */
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| 33 | /* #define NO_GMTIME_R */
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| 34 |
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| 35 | #ifdef _WIN32
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| 36 | #if _MSC_VER
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| 37 | /* Win32 platform do not provide gmtime_r/localtime_r; emulate them using gmtime_s/localtime_s */
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| 38 | #define gmtime_r(tp, tm) ((gmtime_s((tm), (tp)) == 0) ? (tm) : NULL)
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| 39 | #define localtime_r(tp, tm) ((localtime_s((tm), (tp)) == 0) ? (tm) : NULL)
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| 40 | #else
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| 41 | #define NO_GMTIME_R
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| 42 | #endif
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| 43 | #endif
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| 44 |
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| 45 | /* timegm(3) */
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| 46 | /* mktime() creates tm structure for localtime; timegm() is for UTC time */
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| 47 | /* define following macro to use probably faster timegm() on the platform */
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| 48 | /* #define USE_SYSTEM_TIMEGM */
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| 49 |
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| 50 | /** end of Time class configuration */
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| 51 |
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| 52 | #ifndef NO_GETTIMEOFDAY
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| 53 | # ifdef _WIN32
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| 54 | # define WIN32_LEAN_AND_MEAN /* don't include winsock.h */
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| 55 | # include <windows.h>
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| 56 | # define gettimeofday my_gettimeofday
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| 57 |
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| 58 | # ifdef _MSC_VER
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| 59 | # define UI64(x) x##ui64
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| 60 | # else
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| 61 | # define UI64(x) x##ull
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| 62 | # endif
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| 63 |
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| 64 | typedef long suseconds_t;
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| 65 |
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| 66 | # if (!defined __MINGW64__) && (!defined __MINGW32__)
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| 67 | struct timeval {
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| 68 | time_t tv_sec;
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| 69 | suseconds_t tv_usec;
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| 70 | };
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| 71 | # endif
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| 72 |
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| 73 | static int
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| 74 | gettimeofday(struct timeval *tv, void *tz)
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| 75 | {
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| 76 | if (tz) {
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| 77 | mrb_assert(0); /* timezone is not supported */
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| 78 | }
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| 79 | if (tv) {
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| 80 | union {
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| 81 | FILETIME ft;
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| 82 | unsigned __int64 u64;
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| 83 | } t;
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| 84 | GetSystemTimeAsFileTime(&t.ft); /* 100 ns intervals since Windows epoch */
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| 85 | t.u64 -= UI64(116444736000000000); /* Unix epoch bias */
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| 86 | t.u64 /= 10; /* to microseconds */
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| 87 | tv->tv_sec = (time_t)(t.u64 / (1000 * 1000));
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| 88 | tv->tv_usec = t.u64 % (1000 * 1000);
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| 89 | }
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| 90 | return 0;
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| 91 | }
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| 92 | # else
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| 93 | # include <sys/time.h>
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| 94 | # endif
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| 95 | #endif
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| 96 | #ifdef NO_GMTIME_R
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| 97 | #define gmtime_r(t,r) gmtime(t)
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| 98 | #define localtime_r(t,r) localtime(t)
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| 99 | #endif
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| 100 |
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| 101 | #ifndef USE_SYSTEM_TIMEGM
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| 102 | #define timegm my_timgm
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| 103 |
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| 104 | static unsigned int
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| 105 | is_leapyear(unsigned int y)
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| 106 | {
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| 107 | return (y % 4) == 0 && ((y % 100) != 0 || (y % 400) == 0);
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| 108 | }
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| 109 |
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| 110 | static time_t
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| 111 | timegm(struct tm *tm)
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| 112 | {
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| 113 | static const unsigned int ndays[2][12] = {
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| 114 | {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
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| 115 | {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}
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| 116 | };
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| 117 | time_t r = 0;
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| 118 | int i;
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| 119 | unsigned int *nday = (unsigned int*) ndays[is_leapyear(tm->tm_year+1900)];
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| 120 |
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| 121 | for (i = 70; i < tm->tm_year; ++i)
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| 122 | r += is_leapyear(i+1900) ? 366*24*60*60 : 365*24*60*60;
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| 123 | for (i = 0; i < tm->tm_mon; ++i)
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| 124 | r += nday[i] * 24 * 60 * 60;
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| 125 | r += (tm->tm_mday - 1) * 24 * 60 * 60;
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| 126 | r += tm->tm_hour * 60 * 60;
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| 127 | r += tm->tm_min * 60;
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| 128 | r += tm->tm_sec;
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| 129 | return r;
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| 130 | }
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| 131 | #endif
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| 132 |
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| 133 | /* Since we are limited to using ISO C99, this implementation is based
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| 134 | * on time_t. That means the resolution of time is only precise to the
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| 135 | * second level. Also, there are only 2 timezones, namely UTC and LOCAL.
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| 136 | */
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| 137 |
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| 138 | enum mrb_timezone {
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| 139 | MRB_TIMEZONE_NONE = 0,
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| 140 | MRB_TIMEZONE_UTC = 1,
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| 141 | MRB_TIMEZONE_LOCAL = 2,
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| 142 | MRB_TIMEZONE_LAST = 3
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| 143 | };
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| 144 |
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| 145 | typedef struct mrb_timezone_name {
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| 146 | const char name[8];
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| 147 | size_t len;
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| 148 | } mrb_timezone_name;
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| 149 |
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| 150 | static const mrb_timezone_name timezone_names[] = {
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| 151 | { "none", sizeof("none") - 1 },
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| 152 | { "UTC", sizeof("UTC") - 1 },
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| 153 | { "LOCAL", sizeof("LOCAL") - 1 },
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| 154 | };
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| 155 |
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| 156 | static const char mon_names[12][4] = {
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| 157 | "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec",
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| 158 | };
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| 159 |
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| 160 | static const char wday_names[7][4] = {
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| 161 | "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat",
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| 162 | };
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| 163 |
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| 164 | struct mrb_time {
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| 165 | time_t sec;
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| 166 | time_t usec;
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| 167 | enum mrb_timezone timezone;
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| 168 | struct tm datetime;
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| 169 | };
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| 170 |
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| 171 | static const struct mrb_data_type mrb_time_type = { "Time", mrb_free };
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| 172 |
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| 173 | /** Updates the datetime of a mrb_time based on it's timezone and
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| 174 | seconds setting. Returns self on success, NULL of failure. */
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| 175 | static struct mrb_time*
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| 176 | mrb_time_update_datetime(struct mrb_time *self)
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| 177 | {
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| 178 | struct tm *aid;
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| 179 |
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| 180 | if (self->timezone == MRB_TIMEZONE_UTC) {
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| 181 | aid = gmtime_r(&self->sec, &self->datetime);
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| 182 | }
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| 183 | else {
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| 184 | aid = localtime_r(&self->sec, &self->datetime);
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| 185 | }
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| 186 | if (!aid) return NULL;
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| 187 | #ifdef NO_GMTIME_R
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| 188 | self->datetime = *aid; /* copy data */
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| 189 | #endif
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| 190 |
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| 191 | return self;
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| 192 | }
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| 193 |
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| 194 | static mrb_value
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| 195 | mrb_time_wrap(mrb_state *mrb, struct RClass *tc, struct mrb_time *tm)
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| 196 | {
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| 197 | return mrb_obj_value(Data_Wrap_Struct(mrb, tc, &mrb_time_type, tm));
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| 198 | }
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| 199 |
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| 200 |
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| 201 | /* Allocates a mrb_time object and initializes it. */
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| 202 | static struct mrb_time*
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| 203 | time_alloc(mrb_state *mrb, double sec, double usec, enum mrb_timezone timezone)
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| 204 | {
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| 205 | struct mrb_time *tm;
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| 206 |
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| 207 | tm = (struct mrb_time *)mrb_malloc(mrb, sizeof(struct mrb_time));
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| 208 | if (sizeof(time_t) == 4 && (sec > (double)INT32_MAX || (double)INT32_MIN > sec)) {
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| 209 | goto out_of_range;
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| 210 | }
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| 211 | if (sizeof(time_t) == 8 && (sec > (double)INT64_MAX || (double)INT64_MIN > sec)) {
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| 212 | goto out_of_range;
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| 213 | }
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| 214 | tm->sec = (time_t)sec;
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| 215 | if ((sec > 0 && tm->sec < 0) || (sec < 0 && (double)tm->sec > sec)) {
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| 216 | out_of_range:
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| 217 | mrb_raisef(mrb, E_ARGUMENT_ERROR, "%S out of Time range", mrb_float_value(mrb, sec));
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| 218 | }
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| 219 | tm->usec = (time_t)llround((sec - tm->sec) * 1.0e6 + usec);
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| 220 | while (tm->usec < 0) {
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| 221 | tm->sec--;
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| 222 | tm->usec += 1000000;
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| 223 | }
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| 224 | while (tm->usec >= 1000000) {
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| 225 | tm->sec++;
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| 226 | tm->usec -= 1000000;
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| 227 | }
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| 228 | tm->timezone = timezone;
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| 229 | mrb_time_update_datetime(tm);
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| 230 |
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| 231 | return tm;
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| 232 | }
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| 233 |
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| 234 | static mrb_value
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| 235 | mrb_time_make(mrb_state *mrb, struct RClass *c, double sec, double usec, enum mrb_timezone timezone)
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| 236 | {
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| 237 | return mrb_time_wrap(mrb, c, time_alloc(mrb, sec, usec, timezone));
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| 238 | }
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| 239 |
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| 240 | static struct mrb_time*
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| 241 | current_mrb_time(mrb_state *mrb)
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| 242 | {
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| 243 | struct mrb_time *tm;
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| 244 |
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| 245 | tm = (struct mrb_time *)mrb_malloc(mrb, sizeof(*tm));
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| 246 | #if defined(TIME_UTC)
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| 247 | {
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| 248 | struct timespec ts;
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| 249 | if (timespec_get(&ts, TIME_UTC) == 0) {
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| 250 | mrb_free(mrb, tm);
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| 251 | mrb_raise(mrb, E_RUNTIME_ERROR, "timespec_get() failed for unknown reasons");
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| 252 | }
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| 253 | tm->sec = ts.tv_sec;
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| 254 | tm->usec = ts.tv_nsec / 1000;
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| 255 | }
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| 256 | #elif defined(NO_GETTIMEOFDAY)
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| 257 | {
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| 258 | static time_t last_sec = 0, last_usec = 0;
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| 259 |
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| 260 | tm->sec = time(NULL);
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| 261 | if (tm->sec != last_sec) {
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| 262 | last_sec = tm->sec;
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| 263 | last_usec = 0;
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| 264 | }
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| 265 | else {
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| 266 | /* add 1 usec to differentiate two times */
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| 267 | last_usec += 1;
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| 268 | }
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| 269 | tm->usec = last_usec;
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| 270 | }
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| 271 | #else
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| 272 | {
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| 273 | struct timeval tv;
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| 274 |
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| 275 | gettimeofday(&tv, NULL);
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| 276 | tm->sec = tv.tv_sec;
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| 277 | tm->usec = tv.tv_usec;
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| 278 | }
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| 279 | #endif
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| 280 | tm->timezone = MRB_TIMEZONE_LOCAL;
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| 281 | mrb_time_update_datetime(tm);
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| 282 |
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| 283 | return tm;
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| 284 | }
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| 285 |
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| 286 | /* Allocates a new Time object with given millis value. */
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| 287 | static mrb_value
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| 288 | mrb_time_now(mrb_state *mrb, mrb_value self)
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| 289 | {
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| 290 | return mrb_time_wrap(mrb, mrb_class_ptr(self), current_mrb_time(mrb));
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| 291 | }
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| 292 |
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| 293 | /* 15.2.19.6.1 */
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| 294 | /* Creates an instance of time at the given time in seconds, etc. */
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| 295 | static mrb_value
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| 296 | mrb_time_at(mrb_state *mrb, mrb_value self)
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| 297 | {
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| 298 | mrb_float f, f2 = 0;
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| 299 |
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| 300 | mrb_get_args(mrb, "f|f", &f, &f2);
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| 301 | return mrb_time_make(mrb, mrb_class_ptr(self), f, f2, MRB_TIMEZONE_LOCAL);
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| 302 | }
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| 303 |
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| 304 | static struct mrb_time*
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| 305 | time_mktime(mrb_state *mrb, mrb_int ayear, mrb_int amonth, mrb_int aday,
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| 306 | mrb_int ahour, mrb_int amin, mrb_int asec, mrb_int ausec,
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| 307 | enum mrb_timezone timezone)
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| 308 | {
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| 309 | time_t nowsecs;
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| 310 | struct tm nowtime = { 0 };
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| 311 |
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| 312 | nowtime.tm_year = (int)ayear - 1900;
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| 313 | nowtime.tm_mon = (int)amonth - 1;
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| 314 | nowtime.tm_mday = (int)aday;
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| 315 | nowtime.tm_hour = (int)ahour;
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| 316 | nowtime.tm_min = (int)amin;
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| 317 | nowtime.tm_sec = (int)asec;
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| 318 | nowtime.tm_isdst = -1;
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| 319 | if (timezone == MRB_TIMEZONE_UTC) {
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| 320 | nowsecs = timegm(&nowtime);
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| 321 | }
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| 322 | else {
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| 323 | nowsecs = mktime(&nowtime);
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| 324 | }
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| 325 | if (nowsecs == (time_t)-1) {
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| 326 | mrb_raise(mrb, E_ARGUMENT_ERROR, "Not a valid time.");
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| 327 | }
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| 328 |
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| 329 | return time_alloc(mrb, (double)nowsecs, ausec, timezone);
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| 330 | }
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| 331 |
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| 332 | /* 15.2.19.6.2 */
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| 333 | /* Creates an instance of time at the given time in UTC. */
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| 334 | static mrb_value
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| 335 | mrb_time_gm(mrb_state *mrb, mrb_value self)
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| 336 | {
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| 337 | mrb_int ayear = 0, amonth = 1, aday = 1, ahour = 0, amin = 0, asec = 0, ausec = 0;
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| 338 |
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| 339 | mrb_get_args(mrb, "i|iiiiii",
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| 340 | &ayear, &amonth, &aday, &ahour, &amin, &asec, &ausec);
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| 341 | return mrb_time_wrap(mrb, mrb_class_ptr(self),
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| 342 | time_mktime(mrb, ayear, amonth, aday, ahour, amin, asec, ausec, MRB_TIMEZONE_UTC));
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| 343 | }
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| 344 |
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| 345 |
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| 346 | /* 15.2.19.6.3 */
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| 347 | /* Creates an instance of time at the given time in local time zone. */
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| 348 | static mrb_value
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| 349 | mrb_time_local(mrb_state *mrb, mrb_value self)
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| 350 | {
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| 351 | mrb_int ayear = 0, amonth = 1, aday = 1, ahour = 0, amin = 0, asec = 0, ausec = 0;
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| 352 |
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| 353 | mrb_get_args(mrb, "i|iiiiii",
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| 354 | &ayear, &amonth, &aday, &ahour, &amin, &asec, &ausec);
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| 355 | return mrb_time_wrap(mrb, mrb_class_ptr(self),
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| 356 | time_mktime(mrb, ayear, amonth, aday, ahour, amin, asec, ausec, MRB_TIMEZONE_LOCAL));
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| 357 | }
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| 358 |
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| 359 |
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| 360 | static mrb_value
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| 361 | mrb_time_eq(mrb_state *mrb, mrb_value self)
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| 362 | {
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| 363 | mrb_value other;
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| 364 | struct mrb_time *tm1, *tm2;
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| 365 | mrb_bool eq_p;
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| 366 |
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| 367 | mrb_get_args(mrb, "o", &other);
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| 368 | tm1 = DATA_CHECK_GET_PTR(mrb, self, &mrb_time_type, struct mrb_time);
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| 369 | tm2 = DATA_CHECK_GET_PTR(mrb, other, &mrb_time_type, struct mrb_time);
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| 370 | eq_p = tm1 && tm2 && tm1->sec == tm2->sec && tm1->usec == tm2->usec;
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| 371 |
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| 372 | return mrb_bool_value(eq_p);
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| 373 | }
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| 374 |
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| 375 | static mrb_value
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| 376 | mrb_time_cmp(mrb_state *mrb, mrb_value self)
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| 377 | {
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| 378 | mrb_value other;
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| 379 | struct mrb_time *tm1, *tm2;
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| 380 |
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| 381 | mrb_get_args(mrb, "o", &other);
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| 382 | tm1 = DATA_CHECK_GET_PTR(mrb, self, &mrb_time_type, struct mrb_time);
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| 383 | tm2 = DATA_CHECK_GET_PTR(mrb, other, &mrb_time_type, struct mrb_time);
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| 384 | if (!tm1 || !tm2) return mrb_nil_value();
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| 385 | if (tm1->sec > tm2->sec) {
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| 386 | return mrb_fixnum_value(1);
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| 387 | }
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| 388 | else if (tm1->sec < tm2->sec) {
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| 389 | return mrb_fixnum_value(-1);
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| 390 | }
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| 391 | /* tm1->sec == tm2->sec */
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| 392 | if (tm1->usec > tm2->usec) {
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| 393 | return mrb_fixnum_value(1);
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| 394 | }
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| 395 | else if (tm1->usec < tm2->usec) {
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| 396 | return mrb_fixnum_value(-1);
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| 397 | }
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| 398 | return mrb_fixnum_value(0);
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| 399 | }
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| 400 |
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| 401 | static mrb_value
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| 402 | mrb_time_plus(mrb_state *mrb, mrb_value self)
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| 403 | {
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| 404 | mrb_float f;
|
---|
| 405 | struct mrb_time *tm;
|
---|
| 406 |
|
---|
| 407 | mrb_get_args(mrb, "f", &f);
|
---|
| 408 | tm = DATA_GET_PTR(mrb, self, &mrb_time_type, struct mrb_time);
|
---|
| 409 | return mrb_time_make(mrb, mrb_obj_class(mrb, self), (double)tm->sec+f, (double)tm->usec, tm->timezone);
|
---|
| 410 | }
|
---|
| 411 |
|
---|
| 412 | static mrb_value
|
---|
| 413 | mrb_time_minus(mrb_state *mrb, mrb_value self)
|
---|
| 414 | {
|
---|
| 415 | mrb_float f;
|
---|
| 416 | mrb_value other;
|
---|
| 417 | struct mrb_time *tm, *tm2;
|
---|
| 418 |
|
---|
| 419 | mrb_get_args(mrb, "o", &other);
|
---|
| 420 | tm = DATA_GET_PTR(mrb, self, &mrb_time_type, struct mrb_time);
|
---|
| 421 |
|
---|
| 422 | tm2 = DATA_CHECK_GET_PTR(mrb, other, &mrb_time_type, struct mrb_time);
|
---|
| 423 | if (tm2) {
|
---|
| 424 | f = (mrb_float)(tm->sec - tm2->sec)
|
---|
| 425 | + (mrb_float)(tm->usec - tm2->usec) / 1.0e6;
|
---|
| 426 | return mrb_float_value(mrb, f);
|
---|
| 427 | }
|
---|
| 428 | else {
|
---|
| 429 | mrb_get_args(mrb, "f", &f);
|
---|
| 430 | return mrb_time_make(mrb, mrb_obj_class(mrb, self), (double)tm->sec-f, (double)tm->usec, tm->timezone);
|
---|
| 431 | }
|
---|
| 432 | }
|
---|
| 433 |
|
---|
| 434 | /* 15.2.19.7.30 */
|
---|
| 435 | /* Returns week day number of time. */
|
---|
| 436 | static mrb_value
|
---|
| 437 | mrb_time_wday(mrb_state *mrb, mrb_value self)
|
---|
| 438 | {
|
---|
| 439 | struct mrb_time *tm;
|
---|
| 440 |
|
---|
| 441 | tm = DATA_GET_PTR(mrb, self, &mrb_time_type, struct mrb_time);
|
---|
| 442 | return mrb_fixnum_value(tm->datetime.tm_wday);
|
---|
| 443 | }
|
---|
| 444 |
|
---|
| 445 | /* 15.2.19.7.31 */
|
---|
| 446 | /* Returns year day number of time. */
|
---|
| 447 | static mrb_value
|
---|
| 448 | mrb_time_yday(mrb_state *mrb, mrb_value self)
|
---|
| 449 | {
|
---|
| 450 | struct mrb_time *tm;
|
---|
| 451 |
|
---|
| 452 | tm = DATA_GET_PTR(mrb, self, &mrb_time_type, struct mrb_time);
|
---|
| 453 | return mrb_fixnum_value(tm->datetime.tm_yday + 1);
|
---|
| 454 | }
|
---|
| 455 |
|
---|
| 456 | /* 15.2.19.7.32 */
|
---|
| 457 | /* Returns year of time. */
|
---|
| 458 | static mrb_value
|
---|
| 459 | mrb_time_year(mrb_state *mrb, mrb_value self)
|
---|
| 460 | {
|
---|
| 461 | struct mrb_time *tm;
|
---|
| 462 |
|
---|
| 463 | tm = DATA_GET_PTR(mrb, self, &mrb_time_type, struct mrb_time);
|
---|
| 464 | return mrb_fixnum_value(tm->datetime.tm_year + 1900);
|
---|
| 465 | }
|
---|
| 466 |
|
---|
| 467 | /* 15.2.19.7.33 */
|
---|
| 468 | /* Returns name of time's timezone. */
|
---|
| 469 | static mrb_value
|
---|
| 470 | mrb_time_zone(mrb_state *mrb, mrb_value self)
|
---|
| 471 | {
|
---|
| 472 | struct mrb_time *tm;
|
---|
| 473 |
|
---|
| 474 | tm = DATA_GET_PTR(mrb, self, &mrb_time_type, struct mrb_time);
|
---|
| 475 | if (tm->timezone <= MRB_TIMEZONE_NONE) return mrb_nil_value();
|
---|
| 476 | if (tm->timezone >= MRB_TIMEZONE_LAST) return mrb_nil_value();
|
---|
| 477 | return mrb_str_new_static(mrb,
|
---|
| 478 | timezone_names[tm->timezone].name,
|
---|
| 479 | timezone_names[tm->timezone].len);
|
---|
| 480 | }
|
---|
| 481 |
|
---|
| 482 | /* 15.2.19.7.4 */
|
---|
| 483 | /* Returns a string that describes the time. */
|
---|
| 484 | static mrb_value
|
---|
| 485 | mrb_time_asctime(mrb_state *mrb, mrb_value self)
|
---|
| 486 | {
|
---|
| 487 | struct mrb_time *tm;
|
---|
| 488 | struct tm *d;
|
---|
| 489 | char buf[256];
|
---|
| 490 | int len;
|
---|
| 491 |
|
---|
| 492 | tm = DATA_GET_PTR(mrb, self, &mrb_time_type, struct mrb_time);
|
---|
| 493 | d = &tm->datetime;
|
---|
| 494 | len = snprintf(buf, sizeof(buf), "%s %s %02d %02d:%02d:%02d %s%d",
|
---|
| 495 | wday_names[d->tm_wday], mon_names[d->tm_mon], d->tm_mday,
|
---|
| 496 | d->tm_hour, d->tm_min, d->tm_sec,
|
---|
| 497 | tm->timezone == MRB_TIMEZONE_UTC ? "UTC " : "",
|
---|
| 498 | d->tm_year + 1900);
|
---|
| 499 | return mrb_str_new(mrb, buf, len);
|
---|
| 500 | }
|
---|
| 501 |
|
---|
| 502 | /* 15.2.19.7.6 */
|
---|
| 503 | /* Returns the day in the month of the time. */
|
---|
| 504 | static mrb_value
|
---|
| 505 | mrb_time_day(mrb_state *mrb, mrb_value self)
|
---|
| 506 | {
|
---|
| 507 | struct mrb_time *tm;
|
---|
| 508 |
|
---|
| 509 | tm = DATA_GET_PTR(mrb, self, &mrb_time_type, struct mrb_time);
|
---|
| 510 | if (!tm) return mrb_nil_value();
|
---|
| 511 | return mrb_fixnum_value(tm->datetime.tm_mday);
|
---|
| 512 | }
|
---|
| 513 |
|
---|
| 514 |
|
---|
| 515 | /* 15.2.19.7.7 */
|
---|
| 516 | /* Returns true if daylight saving was applied for this time. */
|
---|
| 517 | static mrb_value
|
---|
| 518 | mrb_time_dst_p(mrb_state *mrb, mrb_value self)
|
---|
| 519 | {
|
---|
| 520 | struct mrb_time *tm;
|
---|
| 521 |
|
---|
| 522 | tm = DATA_GET_PTR(mrb, self, &mrb_time_type, struct mrb_time);
|
---|
| 523 | return mrb_bool_value(tm->datetime.tm_isdst);
|
---|
| 524 | }
|
---|
| 525 |
|
---|
| 526 | /* 15.2.19.7.8 */
|
---|
| 527 | /* 15.2.19.7.10 */
|
---|
| 528 | /* Returns the Time object of the UTC(GMT) timezone. */
|
---|
| 529 | static mrb_value
|
---|
| 530 | mrb_time_getutc(mrb_state *mrb, mrb_value self)
|
---|
| 531 | {
|
---|
| 532 | struct mrb_time *tm, *tm2;
|
---|
| 533 |
|
---|
| 534 | tm = DATA_GET_PTR(mrb, self, &mrb_time_type, struct mrb_time);
|
---|
| 535 | tm2 = (struct mrb_time *)mrb_malloc(mrb, sizeof(*tm));
|
---|
| 536 | *tm2 = *tm;
|
---|
| 537 | tm2->timezone = MRB_TIMEZONE_UTC;
|
---|
| 538 | mrb_time_update_datetime(tm2);
|
---|
| 539 | return mrb_time_wrap(mrb, mrb_obj_class(mrb, self), tm2);
|
---|
| 540 | }
|
---|
| 541 |
|
---|
| 542 | /* 15.2.19.7.9 */
|
---|
| 543 | /* Returns the Time object of the LOCAL timezone. */
|
---|
| 544 | static mrb_value
|
---|
| 545 | mrb_time_getlocal(mrb_state *mrb, mrb_value self)
|
---|
| 546 | {
|
---|
| 547 | struct mrb_time *tm, *tm2;
|
---|
| 548 |
|
---|
| 549 | tm = DATA_GET_PTR(mrb, self, &mrb_time_type, struct mrb_time);
|
---|
| 550 | tm2 = (struct mrb_time *)mrb_malloc(mrb, sizeof(*tm));
|
---|
| 551 | *tm2 = *tm;
|
---|
| 552 | tm2->timezone = MRB_TIMEZONE_LOCAL;
|
---|
| 553 | mrb_time_update_datetime(tm2);
|
---|
| 554 | return mrb_time_wrap(mrb, mrb_obj_class(mrb, self), tm2);
|
---|
| 555 | }
|
---|
| 556 |
|
---|
| 557 | /* 15.2.19.7.15 */
|
---|
| 558 | /* Returns hour of time. */
|
---|
| 559 | static mrb_value
|
---|
| 560 | mrb_time_hour(mrb_state *mrb, mrb_value self)
|
---|
| 561 | {
|
---|
| 562 | struct mrb_time *tm;
|
---|
| 563 |
|
---|
| 564 | tm = DATA_GET_PTR(mrb, self, &mrb_time_type, struct mrb_time);
|
---|
| 565 | return mrb_fixnum_value(tm->datetime.tm_hour);
|
---|
| 566 | }
|
---|
| 567 |
|
---|
| 568 | /* 15.2.19.7.16 */
|
---|
| 569 | /* Initializes a time by setting the amount of milliseconds since the epoch.*/
|
---|
| 570 | static mrb_value
|
---|
| 571 | mrb_time_initialize(mrb_state *mrb, mrb_value self)
|
---|
| 572 | {
|
---|
| 573 | mrb_int ayear = 0, amonth = 1, aday = 1, ahour = 0,
|
---|
| 574 | amin = 0, asec = 0, ausec = 0;
|
---|
| 575 | int n;
|
---|
| 576 | struct mrb_time *tm;
|
---|
| 577 |
|
---|
| 578 | tm = (struct mrb_time*)DATA_PTR(self);
|
---|
| 579 | if (tm) {
|
---|
| 580 | mrb_free(mrb, tm);
|
---|
| 581 | }
|
---|
| 582 | mrb_data_init(self, NULL, &mrb_time_type);
|
---|
| 583 |
|
---|
| 584 | n = mrb_get_args(mrb, "|iiiiiii",
|
---|
| 585 | &ayear, &amonth, &aday, &ahour, &amin, &asec, &ausec);
|
---|
| 586 | if (n == 0) {
|
---|
| 587 | tm = current_mrb_time(mrb);
|
---|
| 588 | }
|
---|
| 589 | else {
|
---|
| 590 | tm = time_mktime(mrb, ayear, amonth, aday, ahour, amin, asec, ausec, MRB_TIMEZONE_LOCAL);
|
---|
| 591 | }
|
---|
| 592 | mrb_data_init(self, tm, &mrb_time_type);
|
---|
| 593 | return self;
|
---|
| 594 | }
|
---|
| 595 |
|
---|
| 596 | /* 15.2.19.7.17(x) */
|
---|
| 597 | /* Initializes a copy of this time object. */
|
---|
| 598 | static mrb_value
|
---|
| 599 | mrb_time_initialize_copy(mrb_state *mrb, mrb_value copy)
|
---|
| 600 | {
|
---|
| 601 | mrb_value src;
|
---|
| 602 |
|
---|
| 603 | mrb_get_args(mrb, "o", &src);
|
---|
| 604 | if (mrb_obj_equal(mrb, copy, src)) return copy;
|
---|
| 605 | if (!mrb_obj_is_instance_of(mrb, src, mrb_obj_class(mrb, copy))) {
|
---|
| 606 | mrb_raise(mrb, E_TYPE_ERROR, "wrong argument class");
|
---|
| 607 | }
|
---|
| 608 | if (!DATA_PTR(copy)) {
|
---|
| 609 | mrb_data_init(copy, mrb_malloc(mrb, sizeof(struct mrb_time)), &mrb_time_type);
|
---|
| 610 | }
|
---|
| 611 | *(struct mrb_time *)DATA_PTR(copy) = *(struct mrb_time *)DATA_PTR(src);
|
---|
| 612 | return copy;
|
---|
| 613 | }
|
---|
| 614 |
|
---|
| 615 | /* 15.2.19.7.18 */
|
---|
| 616 | /* Sets the timezone attribute of the Time object to LOCAL. */
|
---|
| 617 | static mrb_value
|
---|
| 618 | mrb_time_localtime(mrb_state *mrb, mrb_value self)
|
---|
| 619 | {
|
---|
| 620 | struct mrb_time *tm;
|
---|
| 621 |
|
---|
| 622 | tm = DATA_GET_PTR(mrb, self, &mrb_time_type, struct mrb_time);
|
---|
| 623 | tm->timezone = MRB_TIMEZONE_LOCAL;
|
---|
| 624 | mrb_time_update_datetime(tm);
|
---|
| 625 | return self;
|
---|
| 626 | }
|
---|
| 627 |
|
---|
| 628 | /* 15.2.19.7.19 */
|
---|
| 629 | /* Returns day of month of time. */
|
---|
| 630 | static mrb_value
|
---|
| 631 | mrb_time_mday(mrb_state *mrb, mrb_value self)
|
---|
| 632 | {
|
---|
| 633 | struct mrb_time *tm;
|
---|
| 634 |
|
---|
| 635 | tm = DATA_GET_PTR(mrb, self, &mrb_time_type, struct mrb_time);
|
---|
| 636 | return mrb_fixnum_value(tm->datetime.tm_mday);
|
---|
| 637 | }
|
---|
| 638 |
|
---|
| 639 | /* 15.2.19.7.20 */
|
---|
| 640 | /* Returns minutes of time. */
|
---|
| 641 | static mrb_value
|
---|
| 642 | mrb_time_min(mrb_state *mrb, mrb_value self)
|
---|
| 643 | {
|
---|
| 644 | struct mrb_time *tm;
|
---|
| 645 |
|
---|
| 646 | tm = DATA_GET_PTR(mrb, self, &mrb_time_type, struct mrb_time);
|
---|
| 647 | return mrb_fixnum_value(tm->datetime.tm_min);
|
---|
| 648 | }
|
---|
| 649 |
|
---|
| 650 | /* 15.2.19.7.21 and 15.2.19.7.22 */
|
---|
| 651 | /* Returns month of time. */
|
---|
| 652 | static mrb_value
|
---|
| 653 | mrb_time_mon(mrb_state *mrb, mrb_value self)
|
---|
| 654 | {
|
---|
| 655 | struct mrb_time *tm;
|
---|
| 656 |
|
---|
| 657 | tm = DATA_GET_PTR(mrb, self, &mrb_time_type, struct mrb_time);
|
---|
| 658 | return mrb_fixnum_value(tm->datetime.tm_mon + 1);
|
---|
| 659 | }
|
---|
| 660 |
|
---|
| 661 | /* 15.2.19.7.23 */
|
---|
| 662 | /* Returns seconds in minute of time. */
|
---|
| 663 | static mrb_value
|
---|
| 664 | mrb_time_sec(mrb_state *mrb, mrb_value self)
|
---|
| 665 | {
|
---|
| 666 | struct mrb_time *tm;
|
---|
| 667 |
|
---|
| 668 | tm = DATA_GET_PTR(mrb, self, &mrb_time_type, struct mrb_time);
|
---|
| 669 | return mrb_fixnum_value(tm->datetime.tm_sec);
|
---|
| 670 | }
|
---|
| 671 |
|
---|
| 672 |
|
---|
| 673 | /* 15.2.19.7.24 */
|
---|
| 674 | /* Returns a Float with the time since the epoch in seconds. */
|
---|
| 675 | static mrb_value
|
---|
| 676 | mrb_time_to_f(mrb_state *mrb, mrb_value self)
|
---|
| 677 | {
|
---|
| 678 | struct mrb_time *tm;
|
---|
| 679 |
|
---|
| 680 | tm = DATA_GET_PTR(mrb, self, &mrb_time_type, struct mrb_time);
|
---|
| 681 | return mrb_float_value(mrb, (mrb_float)tm->sec + (mrb_float)tm->usec/1.0e6);
|
---|
| 682 | }
|
---|
| 683 |
|
---|
| 684 | /* 15.2.19.7.25 */
|
---|
| 685 | /* Returns a Fixnum with the time since the epoch in seconds. */
|
---|
| 686 | static mrb_value
|
---|
| 687 | mrb_time_to_i(mrb_state *mrb, mrb_value self)
|
---|
| 688 | {
|
---|
| 689 | struct mrb_time *tm;
|
---|
| 690 |
|
---|
| 691 | tm = DATA_GET_PTR(mrb, self, &mrb_time_type, struct mrb_time);
|
---|
| 692 | if (tm->sec > MRB_INT_MAX || tm->sec < MRB_INT_MIN) {
|
---|
| 693 | return mrb_float_value(mrb, (mrb_float)tm->sec);
|
---|
| 694 | }
|
---|
| 695 | return mrb_fixnum_value((mrb_int)tm->sec);
|
---|
| 696 | }
|
---|
| 697 |
|
---|
| 698 | /* 15.2.19.7.26 */
|
---|
| 699 | /* Returns a Float with the time since the epoch in microseconds. */
|
---|
| 700 | static mrb_value
|
---|
| 701 | mrb_time_usec(mrb_state *mrb, mrb_value self)
|
---|
| 702 | {
|
---|
| 703 | struct mrb_time *tm;
|
---|
| 704 |
|
---|
| 705 | tm = DATA_GET_PTR(mrb, self, &mrb_time_type, struct mrb_time);
|
---|
| 706 | if (tm->usec > MRB_INT_MAX || tm->usec < MRB_INT_MIN) {
|
---|
| 707 | return mrb_float_value(mrb, (mrb_float)tm->usec);
|
---|
| 708 | }
|
---|
| 709 | return mrb_fixnum_value((mrb_int)tm->usec);
|
---|
| 710 | }
|
---|
| 711 |
|
---|
| 712 | /* 15.2.19.7.27 */
|
---|
| 713 | /* Sets the timezone attribute of the Time object to UTC. */
|
---|
| 714 | static mrb_value
|
---|
| 715 | mrb_time_utc(mrb_state *mrb, mrb_value self)
|
---|
| 716 | {
|
---|
| 717 | struct mrb_time *tm;
|
---|
| 718 |
|
---|
| 719 | tm = DATA_GET_PTR(mrb, self, &mrb_time_type, struct mrb_time);
|
---|
| 720 | tm->timezone = MRB_TIMEZONE_UTC;
|
---|
| 721 | mrb_time_update_datetime(tm);
|
---|
| 722 | return self;
|
---|
| 723 | }
|
---|
| 724 |
|
---|
| 725 | /* 15.2.19.7.28 */
|
---|
| 726 | /* Returns true if this time is in the UTC timezone false if not. */
|
---|
| 727 | static mrb_value
|
---|
| 728 | mrb_time_utc_p(mrb_state *mrb, mrb_value self)
|
---|
| 729 | {
|
---|
| 730 | struct mrb_time *tm;
|
---|
| 731 |
|
---|
| 732 | tm = DATA_GET_PTR(mrb, self, &mrb_time_type, struct mrb_time);
|
---|
| 733 | return mrb_bool_value(tm->timezone == MRB_TIMEZONE_UTC);
|
---|
| 734 | }
|
---|
| 735 |
|
---|
| 736 |
|
---|
| 737 | void
|
---|
| 738 | mrb_mruby_time_gem_init(mrb_state* mrb)
|
---|
| 739 | {
|
---|
| 740 | struct RClass *tc;
|
---|
| 741 | /* ISO 15.2.19.2 */
|
---|
| 742 | tc = mrb_define_class(mrb, "Time", mrb->object_class);
|
---|
| 743 | MRB_SET_INSTANCE_TT(tc, MRB_TT_DATA);
|
---|
| 744 | mrb_include_module(mrb, tc, mrb_module_get(mrb, "Comparable"));
|
---|
| 745 | mrb_define_class_method(mrb, tc, "at", mrb_time_at, MRB_ARGS_ARG(1, 1)); /* 15.2.19.6.1 */
|
---|
| 746 | mrb_define_class_method(mrb, tc, "gm", mrb_time_gm, MRB_ARGS_ARG(1,6)); /* 15.2.19.6.2 */
|
---|
| 747 | mrb_define_class_method(mrb, tc, "local", mrb_time_local, MRB_ARGS_ARG(1,6)); /* 15.2.19.6.3 */
|
---|
| 748 | mrb_define_class_method(mrb, tc, "mktime", mrb_time_local, MRB_ARGS_ARG(1,6));/* 15.2.19.6.4 */
|
---|
| 749 | mrb_define_class_method(mrb, tc, "now", mrb_time_now, MRB_ARGS_NONE()); /* 15.2.19.6.5 */
|
---|
| 750 | mrb_define_class_method(mrb, tc, "utc", mrb_time_gm, MRB_ARGS_ARG(1,6)); /* 15.2.19.6.6 */
|
---|
| 751 |
|
---|
| 752 | mrb_define_method(mrb, tc, "==" , mrb_time_eq , MRB_ARGS_REQ(1));
|
---|
| 753 | mrb_define_method(mrb, tc, "<=>" , mrb_time_cmp , MRB_ARGS_REQ(1)); /* 15.2.19.7.1 */
|
---|
| 754 | mrb_define_method(mrb, tc, "+" , mrb_time_plus , MRB_ARGS_REQ(1)); /* 15.2.19.7.2 */
|
---|
| 755 | mrb_define_method(mrb, tc, "-" , mrb_time_minus , MRB_ARGS_REQ(1)); /* 15.2.19.7.3 */
|
---|
| 756 | mrb_define_method(mrb, tc, "to_s" , mrb_time_asctime, MRB_ARGS_NONE());
|
---|
| 757 | mrb_define_method(mrb, tc, "inspect", mrb_time_asctime, MRB_ARGS_NONE());
|
---|
| 758 | mrb_define_method(mrb, tc, "asctime", mrb_time_asctime, MRB_ARGS_NONE()); /* 15.2.19.7.4 */
|
---|
| 759 | mrb_define_method(mrb, tc, "ctime" , mrb_time_asctime, MRB_ARGS_NONE()); /* 15.2.19.7.5 */
|
---|
| 760 | mrb_define_method(mrb, tc, "day" , mrb_time_day , MRB_ARGS_NONE()); /* 15.2.19.7.6 */
|
---|
| 761 | mrb_define_method(mrb, tc, "dst?" , mrb_time_dst_p , MRB_ARGS_NONE()); /* 15.2.19.7.7 */
|
---|
| 762 | mrb_define_method(mrb, tc, "getgm" , mrb_time_getutc , MRB_ARGS_NONE()); /* 15.2.19.7.8 */
|
---|
| 763 | mrb_define_method(mrb, tc, "getlocal",mrb_time_getlocal,MRB_ARGS_NONE()); /* 15.2.19.7.9 */
|
---|
| 764 | mrb_define_method(mrb, tc, "getutc" , mrb_time_getutc , MRB_ARGS_NONE()); /* 15.2.19.7.10 */
|
---|
| 765 | mrb_define_method(mrb, tc, "gmt?" , mrb_time_utc_p , MRB_ARGS_NONE()); /* 15.2.19.7.11 */
|
---|
| 766 | mrb_define_method(mrb, tc, "gmtime" , mrb_time_utc , MRB_ARGS_NONE()); /* 15.2.19.7.13 */
|
---|
| 767 | mrb_define_method(mrb, tc, "hour" , mrb_time_hour, MRB_ARGS_NONE()); /* 15.2.19.7.15 */
|
---|
| 768 | mrb_define_method(mrb, tc, "localtime", mrb_time_localtime, MRB_ARGS_NONE()); /* 15.2.19.7.18 */
|
---|
| 769 | mrb_define_method(mrb, tc, "mday" , mrb_time_mday, MRB_ARGS_NONE()); /* 15.2.19.7.19 */
|
---|
| 770 | mrb_define_method(mrb, tc, "min" , mrb_time_min, MRB_ARGS_NONE()); /* 15.2.19.7.20 */
|
---|
| 771 |
|
---|
| 772 | mrb_define_method(mrb, tc, "mon" , mrb_time_mon, MRB_ARGS_NONE()); /* 15.2.19.7.21 */
|
---|
| 773 | mrb_define_method(mrb, tc, "month", mrb_time_mon, MRB_ARGS_NONE()); /* 15.2.19.7.22 */
|
---|
| 774 |
|
---|
| 775 | mrb_define_method(mrb, tc, "sec" , mrb_time_sec, MRB_ARGS_NONE()); /* 15.2.19.7.23 */
|
---|
| 776 | mrb_define_method(mrb, tc, "to_i", mrb_time_to_i, MRB_ARGS_NONE()); /* 15.2.19.7.25 */
|
---|
| 777 | mrb_define_method(mrb, tc, "to_f", mrb_time_to_f, MRB_ARGS_NONE()); /* 15.2.19.7.24 */
|
---|
| 778 | mrb_define_method(mrb, tc, "usec", mrb_time_usec, MRB_ARGS_NONE()); /* 15.2.19.7.26 */
|
---|
| 779 | mrb_define_method(mrb, tc, "utc" , mrb_time_utc, MRB_ARGS_NONE()); /* 15.2.19.7.27 */
|
---|
| 780 | mrb_define_method(mrb, tc, "utc?", mrb_time_utc_p,MRB_ARGS_NONE()); /* 15.2.19.7.28 */
|
---|
| 781 | mrb_define_method(mrb, tc, "wday", mrb_time_wday, MRB_ARGS_NONE()); /* 15.2.19.7.30 */
|
---|
| 782 | mrb_define_method(mrb, tc, "yday", mrb_time_yday, MRB_ARGS_NONE()); /* 15.2.19.7.31 */
|
---|
| 783 | mrb_define_method(mrb, tc, "year", mrb_time_year, MRB_ARGS_NONE()); /* 15.2.19.7.32 */
|
---|
| 784 | mrb_define_method(mrb, tc, "zone", mrb_time_zone, MRB_ARGS_NONE()); /* 15.2.19.7.33 */
|
---|
| 785 |
|
---|
| 786 | mrb_define_method(mrb, tc, "initialize", mrb_time_initialize, MRB_ARGS_REQ(1)); /* 15.2.19.7.16 */
|
---|
| 787 | mrb_define_method(mrb, tc, "initialize_copy", mrb_time_initialize_copy, MRB_ARGS_REQ(1)); /* 15.2.19.7.17 */
|
---|
| 788 |
|
---|
| 789 | /*
|
---|
| 790 | methods not available:
|
---|
| 791 | gmt_offset(15.2.19.7.12)
|
---|
| 792 | gmtoff(15.2.19.7.14)
|
---|
| 793 | utc_offset(15.2.19.7.29)
|
---|
| 794 | */
|
---|
| 795 | }
|
---|
| 796 |
|
---|
| 797 | void
|
---|
| 798 | mrb_mruby_time_gem_final(mrb_state* mrb)
|
---|
| 799 | {
|
---|
| 800 | }
|
---|