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;
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405 | struct mrb_time *tm;
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406 |
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407 | mrb_get_args(mrb, "f", &f);
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408 | tm = DATA_GET_PTR(mrb, self, &mrb_time_type, struct mrb_time);
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409 | return mrb_time_make(mrb, mrb_obj_class(mrb, self), (double)tm->sec+f, (double)tm->usec, tm->timezone);
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410 | }
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411 |
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412 | static mrb_value
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413 | mrb_time_minus(mrb_state *mrb, mrb_value self)
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414 | {
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415 | mrb_float f;
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416 | mrb_value other;
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417 | struct mrb_time *tm, *tm2;
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418 |
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419 | mrb_get_args(mrb, "o", &other);
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420 | tm = DATA_GET_PTR(mrb, self, &mrb_time_type, struct mrb_time);
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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 | }
|
---|