Mercurial > projects > ldc
annotate lphobos/std/date.d~ @ 643:2a0bcf7f7b3d
Fix -oq, closes #96
Add value debug output to RealExp::toConstElem.
author | Christian Kamm <kamm incasoftware de> |
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date | Fri, 03 Oct 2008 19:24:46 +0200 |
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rev | line source |
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1 |
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2 // Written in the D programming language. |
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3 |
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4 /** |
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5 * Dates are represented in several formats. The date implementation revolves |
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6 * around a central type, d_time, from which other formats are converted to and |
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7 * from. |
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8 * Dates are calculated using the Gregorian calendar. |
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9 * References: |
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10 * $(LINK2 http://en.wikipedia.org/wiki/Gregorian_calendar, Gregorian calendar (Wikipedia)) |
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11 * Macros: |
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12 * WIKI = Phobos/StdDate |
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13 */ |
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14 |
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15 // Copyright (c) 1999-2007 by Digital Mars |
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16 // All Rights Reserved |
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17 // written by Walter Bright |
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18 // www.digitalmars.com |
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19 |
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20 /* NOTE: This file has been patched from the original DMD distribution to |
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21 work with the GDC compiler. |
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22 |
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23 Modified by David Friedman, May 2005 |
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24 */ |
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25 |
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26 module std.date; |
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27 |
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28 private import std.stdio; |
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29 private import std.dateparse; |
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30 |
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31 /** |
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32 * d_time is a signed arithmetic type giving the time elapsed since January 1, |
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33 * 1970. |
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34 * Negative values are for dates preceding 1970. The time unit used is Ticks. |
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35 * Ticks are milliseconds or smaller intervals. |
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36 * |
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37 * The usual arithmetic operations can be performed on d_time, such as adding, |
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38 * subtracting, etc. Elapsed time in Ticks can be computed by subtracting a |
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39 * starting d_time from an ending d_time. |
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40 */ |
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41 alias long d_time; |
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42 |
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43 /** |
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44 * A value for d_time that does not represent a valid time. |
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45 */ |
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46 const d_time d_time_nan = long.min; |
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47 |
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48 /** |
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49 * Time broken down into its components. |
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50 */ |
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51 struct Date |
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52 { |
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53 int year = int.min; /// use int.min as "nan" year value |
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54 int month; /// 1..12 |
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55 int day; /// 1..31 |
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56 int hour; /// 0..23 |
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57 int minute; /// 0..59 |
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58 int second; /// 0..59 |
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59 int ms; /// 0..999 |
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60 int weekday; /// 0: not specified, 1..7: Sunday..Saturday |
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61 int tzcorrection = int.min; /// -1200..1200 correction in hours |
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62 |
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63 /// Parse date out of string s[] and store it in this Date instance. |
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64 void parse(string s) |
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65 { |
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66 DateParse dp; |
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67 |
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68 dp.parse(s, *this); |
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69 } |
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70 } |
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71 |
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72 enum |
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73 { |
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74 HoursPerDay = 24, |
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75 MinutesPerHour = 60, |
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76 msPerMinute = 60 * 1000, |
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77 msPerHour = 60 * msPerMinute, |
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78 msPerDay = 86400000, |
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79 TicksPerMs = 1, |
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80 TicksPerSecond = 1000, /// Will be at least 1000 |
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81 TicksPerMinute = TicksPerSecond * 60, |
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82 TicksPerHour = TicksPerMinute * 60, |
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83 TicksPerDay = TicksPerHour * 24, |
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84 } |
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85 |
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86 d_time LocalTZA = 0; |
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87 |
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88 |
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89 const char[] daystr = "SunMonTueWedThuFriSat"; |
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90 const char[] monstr = "JanFebMarAprMayJunJulAugSepOctNovDec"; |
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91 |
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92 const int[12] mdays = [ 0,31,59,90,120,151,181,212,243,273,304,334 ]; |
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93 |
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94 /******************************** |
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95 * Compute year and week [1..53] from t. The ISO 8601 week 1 is the first week |
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96 * of the year that includes January 4. Monday is the first day of the week. |
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97 * References: |
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98 * $(LINK2 http://en.wikipedia.org/wiki/ISO_8601, ISO 8601 (Wikipedia)) |
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99 */ |
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100 |
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101 void toISO8601YearWeek(d_time t, out int year, out int week) |
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102 { |
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103 year = YearFromTime(t); |
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104 |
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105 int yday = Day(t) - DayFromYear(year); |
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106 int d; |
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107 int w; |
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108 int ydaybeg; |
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109 |
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110 /* Determine day of week Jan 4 falls on. |
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111 * Weeks begin on a Monday. |
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112 */ |
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113 |
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114 d = DayFromYear(year); |
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115 w = (d + 3/*Jan4*/ + 3) % 7; |
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116 if (w < 0) |
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117 w += 7; |
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118 |
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119 /* Find yday of beginning of ISO 8601 year |
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120 */ |
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121 ydaybeg = 3/*Jan4*/ - w; |
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122 |
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123 /* Check if yday is actually the last week of the previous year |
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124 */ |
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125 if (yday < ydaybeg) |
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126 { |
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127 year -= 1; |
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128 week = 53; |
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129 return; |
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130 } |
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131 |
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132 /* Check if yday is actually the first week of the next year |
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133 */ |
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134 if (yday >= 362) // possible |
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135 { int d2; |
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136 int ydaybeg2; |
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137 |
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138 d2 = DayFromYear(year + 1); |
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139 w = (d2 + 3/*Jan4*/ + 3) % 7; |
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140 if (w < 0) |
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141 w += 7; |
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142 //printf("w = %d\n", w); |
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143 ydaybeg2 = 3/*Jan4*/ - w; |
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144 if (d + yday >= d2 + ydaybeg2) |
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145 { |
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146 year += 1; |
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147 week = 1; |
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148 return; |
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149 } |
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150 } |
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151 |
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152 week = (yday - ydaybeg) / 7 + 1; |
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153 } |
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154 |
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155 /* *********************************** |
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156 * Divide time by divisor. Always round down, even if d is negative. |
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157 */ |
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158 |
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159 d_time floor(d_time d, int divisor) |
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160 { |
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161 if (d < 0) |
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162 d -= divisor - 1; |
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163 return d / divisor; |
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164 } |
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165 |
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166 int dmod(d_time n, d_time d) |
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167 { d_time r; |
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168 |
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169 r = n % d; |
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170 if (r < 0) |
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171 r += d; |
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172 assert(cast(int)r == r); |
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173 return cast(int)r; |
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174 } |
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175 |
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176 int HourFromTime(d_time t) |
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177 { |
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178 return dmod(floor(t, msPerHour), HoursPerDay); |
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179 } |
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180 |
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181 int MinFromTime(d_time t) |
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182 { |
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183 return dmod(floor(t, msPerMinute), MinutesPerHour); |
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184 } |
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185 |
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186 int SecFromTime(d_time t) |
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187 { |
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188 return dmod(floor(t, TicksPerSecond), 60); |
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189 } |
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190 |
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191 int msFromTime(d_time t) |
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192 { |
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193 return dmod(t / (TicksPerSecond / 1000), 1000); |
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194 } |
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195 |
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196 int TimeWithinDay(d_time t) |
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197 { |
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198 return dmod(t, msPerDay); |
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199 } |
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200 |
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201 d_time toInteger(d_time n) |
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202 { |
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203 return n; |
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204 } |
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205 |
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206 int Day(d_time t) |
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207 { |
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208 return cast(int)floor(t, msPerDay); |
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209 } |
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210 |
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211 int LeapYear(int y) |
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212 { |
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213 return ((y & 3) == 0 && |
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214 (y % 100 || (y % 400) == 0)); |
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215 } |
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216 |
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217 int DaysInYear(int y) |
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218 { |
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219 return 365 + LeapYear(y); |
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220 } |
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221 |
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222 int DayFromYear(int y) |
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223 { |
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224 return cast(int) (365 * (y - 1970) + |
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225 floor((y - 1969), 4) - |
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226 floor((y - 1901), 100) + |
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227 floor((y - 1601), 400)); |
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228 } |
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229 |
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230 d_time TimeFromYear(int y) |
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231 { |
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232 return cast(d_time)msPerDay * DayFromYear(y); |
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233 } |
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234 |
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235 /***************************** |
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236 * Calculates the year from the d_time t. |
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237 */ |
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238 |
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239 int YearFromTime(d_time t) |
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240 { int y; |
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241 |
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242 if (t == d_time_nan) |
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243 return 0; |
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244 |
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245 // Hazard a guess |
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246 //y = 1970 + cast(int) (t / (365.2425 * msPerDay)); |
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247 // Use integer only math |
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248 y = 1970 + cast(int) (t / (3652425 * (msPerDay / 10000))); |
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249 |
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250 if (TimeFromYear(y) <= t) |
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251 { |
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252 while (TimeFromYear(y + 1) <= t) |
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253 y++; |
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254 } |
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255 else |
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256 { |
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257 do |
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|
258 { |
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259 y--; |
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260 } |
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261 while (TimeFromYear(y) > t); |
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262 } |
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263 return y; |
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parents:
diff
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264 } |
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parents:
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265 |
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266 /******************************* |
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267 * Determines if d_time t is a leap year. |
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268 * |
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269 * A leap year is every 4 years except years ending in 00 that are not |
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270 * divsible by 400. |
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271 * |
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272 * Returns: !=0 if it is a leap year. |
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273 * |
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274 * References: |
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275 * $(LINK2 http://en.wikipedia.org/wiki/Leap_year, Wikipedia) |
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276 */ |
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277 |
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278 int inLeapYear(d_time t) |
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279 { |
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280 return LeapYear(YearFromTime(t)); |
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281 } |
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282 |
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283 /***************************** |
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284 * Calculates the month from the d_time t. |
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285 * |
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286 * Returns: Integer in the range 0..11, where |
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287 * 0 represents January and 11 represents December. |
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288 */ |
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289 |
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290 int MonthFromTime(d_time t) |
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291 { |
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292 int day; |
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parents:
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293 int month; |
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parents:
diff
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294 int year; |
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295 |
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296 year = YearFromTime(t); |
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297 day = Day(t) - DayFromYear(year); |
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298 |
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299 if (day < 59) |
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diff
changeset
|
300 { |
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parents:
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301 if (day < 31) |
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parents:
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302 { assert(day >= 0); |
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parents:
diff
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303 month = 0; |
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parents:
diff
changeset
|
304 } |
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parents:
diff
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|
305 else |
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parents:
diff
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|
306 month = 1; |
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parents:
diff
changeset
|
307 } |
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parents:
diff
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308 else |
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parents:
diff
changeset
|
309 { |
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310 day -= LeapYear(year); |
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parents:
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311 if (day < 212) |
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parents:
diff
changeset
|
312 { |
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parents:
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313 if (day < 59) |
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parents:
diff
changeset
|
314 month = 1; |
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parents:
diff
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315 else if (day < 90) |
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parents:
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|
316 month = 2; |
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parents:
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|
317 else if (day < 120) |
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parents:
diff
changeset
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318 month = 3; |
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parents:
diff
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|
319 else if (day < 151) |
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parents:
diff
changeset
|
320 month = 4; |
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parents:
diff
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|
321 else if (day < 181) |
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parents:
diff
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|
322 month = 5; |
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parents:
diff
changeset
|
323 else |
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parents:
diff
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|
324 month = 6; |
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parents:
diff
changeset
|
325 } |
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parents:
diff
changeset
|
326 else |
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parents:
diff
changeset
|
327 { |
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parents:
diff
changeset
|
328 if (day < 243) |
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parents:
diff
changeset
|
329 month = 7; |
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parents:
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330 else if (day < 273) |
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parents:
diff
changeset
|
331 month = 8; |
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parents:
diff
changeset
|
332 else if (day < 304) |
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parents:
diff
changeset
|
333 month = 9; |
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Applied downs' lphobos update
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parents:
diff
changeset
|
334 else if (day < 334) |
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Applied downs' lphobos update
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parents:
diff
changeset
|
335 month = 10; |
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Applied downs' lphobos update
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parents:
diff
changeset
|
336 else if (day < 365) |
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parents:
diff
changeset
|
337 month = 11; |
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Applied downs' lphobos update
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parents:
diff
changeset
|
338 else |
373489eeaf90
Applied downs' lphobos update
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parents:
diff
changeset
|
339 assert(0); |
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parents:
diff
changeset
|
340 } |
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Applied downs' lphobos update
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parents:
diff
changeset
|
341 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
342 return month; |
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
343 } |
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Applied downs' lphobos update
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parents:
diff
changeset
|
344 |
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parents:
diff
changeset
|
345 /******************************* |
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parents:
diff
changeset
|
346 * Compute which day in a month a d_time t is. |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
347 * Returns: |
373489eeaf90
Applied downs' lphobos update
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parents:
diff
changeset
|
348 * Integer in the range 1..31 |
373489eeaf90
Applied downs' lphobos update
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parents:
diff
changeset
|
349 */ |
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Applied downs' lphobos update
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parents:
diff
changeset
|
350 int DateFromTime(d_time t) |
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Applied downs' lphobos update
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parents:
diff
changeset
|
351 { |
373489eeaf90
Applied downs' lphobos update
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parents:
diff
changeset
|
352 int day; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
353 int leap; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
354 int month; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
355 int year; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
356 int date; |
373489eeaf90
Applied downs' lphobos update
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parents:
diff
changeset
|
357 |
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Applied downs' lphobos update
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parents:
diff
changeset
|
358 year = YearFromTime(t); |
373489eeaf90
Applied downs' lphobos update
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parents:
diff
changeset
|
359 day = Day(t) - DayFromYear(year); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
360 leap = LeapYear(year); |
373489eeaf90
Applied downs' lphobos update
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parents:
diff
changeset
|
361 month = MonthFromTime(t); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
362 switch (month) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
363 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
364 case 0: date = day + 1; break; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
365 case 1: date = day - 30; break; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
366 case 2: date = day - 58 - leap; break; |
373489eeaf90
Applied downs' lphobos update
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parents:
diff
changeset
|
367 case 3: date = day - 89 - leap; break; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
368 case 4: date = day - 119 - leap; break; |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
369 case 5: date = day - 150 - leap; break; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
370 case 6: date = day - 180 - leap; break; |
373489eeaf90
Applied downs' lphobos update
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parents:
diff
changeset
|
371 case 7: date = day - 211 - leap; break; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
372 case 8: date = day - 242 - leap; break; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
373 case 9: date = day - 272 - leap; break; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
374 case 10: date = day - 303 - leap; break; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
375 case 11: date = day - 333 - leap; break; |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
376 default: |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
377 assert(0); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
378 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
379 return date; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
380 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
381 |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
382 /******************************* |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
383 * Compute which day of the week a d_time t is. |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
384 * Returns: |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
385 * Integer in the range 0..6, where 0 represents Sunday |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
386 * and 6 represents Saturday. |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
387 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
388 int WeekDay(d_time t) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
389 { int w; |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
390 |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
391 w = (cast(int)Day(t) + 4) % 7; |
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Applied downs' lphobos update
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parents:
diff
changeset
|
392 if (w < 0) |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
393 w += 7; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
394 return w; |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
395 } |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
396 |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
397 /*********************************** |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
398 * Convert from UTC to local time. |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
399 */ |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
400 |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
401 d_time UTCtoLocalTime(d_time t) |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
402 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
403 return (t == d_time_nan) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
404 ? d_time_nan |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
405 : t + LocalTZA + DaylightSavingTA(t); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
406 } |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
407 |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
408 /*********************************** |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
409 * Convert from local time to UTC. |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
410 */ |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
411 |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
412 d_time LocalTimetoUTC(d_time t) |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
413 { |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
414 return (t == d_time_nan) |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
415 ? d_time_nan |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
416 : t - LocalTZA - DaylightSavingTA(t - LocalTZA); |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
417 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
418 |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
419 |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
420 d_time MakeTime(d_time hour, d_time min, d_time sec, d_time ms) |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
421 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
422 return hour * TicksPerHour + |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
423 min * TicksPerMinute + |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
424 sec * TicksPerSecond + |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
425 ms * TicksPerMs; |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
426 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
427 |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
428 |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
429 d_time MakeDay(d_time year, d_time month, d_time date) |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
430 { d_time t; |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
431 int y; |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
432 int m; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
433 int leap; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
434 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
435 y = cast(int)(year + floor(month, 12)); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
436 m = dmod(month, 12); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
437 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
438 leap = LeapYear(y); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
439 t = TimeFromYear(y) + cast(d_time)mdays[m] * msPerDay; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
440 if (leap && month >= 2) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
441 t += msPerDay; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
442 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
443 if (YearFromTime(t) != y || |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
444 MonthFromTime(t) != m || |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
445 DateFromTime(t) != 1) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
446 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
447 return d_time_nan; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
448 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
449 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
450 return Day(t) + date - 1; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
451 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
452 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
453 d_time MakeDate(d_time day, d_time time) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
454 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
455 if (day == d_time_nan || time == d_time_nan) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
456 return d_time_nan; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
457 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
458 return day * TicksPerDay + time; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
459 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
460 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
461 d_time TimeClip(d_time time) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
462 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
463 //printf("TimeClip(%g) = %g\n", time, toInteger(time)); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
464 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
465 return toInteger(time); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
466 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
467 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
468 /************************************* |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
469 * Converts UTC time into a text string of the form: |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
470 * "Www Mmm dd hh:mm:ss GMT+-TZ yyyy". |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
471 * For example, "Tue Apr 02 02:04:57 GMT-0800 1996". |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
472 * If time is invalid, i.e. is d_time_nan, |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
473 * the string "Invalid date" is returned. |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
474 * |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
475 * Example: |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
476 * ------------------------------------ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
477 d_time lNow; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
478 char[] lNowString; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
479 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
480 // Grab the date and time relative to UTC |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
481 lNow = std.date.getUTCtime(); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
482 // Convert this into the local date and time for display. |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
483 lNowString = std.date.toString(lNow); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
484 * ------------------------------------ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
485 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
486 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
487 string toString(d_time time) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
488 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
489 d_time t; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
490 char sign; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
491 int hr; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
492 int mn; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
493 int len; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
494 d_time offset; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
495 d_time dst; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
496 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
497 // Years are supposed to be -285616 .. 285616, or 7 digits |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
498 // "Tue Apr 02 02:04:57 GMT-0800 1996" |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
499 char[] buffer = new char[29 + 7 + 1]; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
500 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
501 if (time == d_time_nan) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
502 return "Invalid Date"; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
503 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
504 dst = DaylightSavingTA(time); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
505 offset = LocalTZA + dst; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
506 t = time + offset; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
507 sign = '+'; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
508 if (offset < 0) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
509 { sign = '-'; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
510 // offset = -offset; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
511 offset = -(LocalTZA + dst); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
512 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
513 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
514 mn = cast(int)(offset / msPerMinute); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
515 hr = mn / 60; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
516 mn %= 60; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
517 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
518 //printf("hr = %d, offset = %g, LocalTZA = %g, dst = %g, + = %g\n", hr, offset, LocalTZA, dst, LocalTZA + dst); |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
519 |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
520 len = sprintf(buffer.ptr, "%.3s %.3s %02d %02d:%02d:%02d GMT%c%02d%02d %d", |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
521 &daystr[WeekDay(t) * 3], |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
522 &monstr[MonthFromTime(t) * 3], |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
523 DateFromTime(t), |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
524 HourFromTime(t), MinFromTime(t), SecFromTime(t), |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
525 sign, hr, mn, |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
526 /*cast(long)*/YearFromTime(t)); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
527 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
528 // Ensure no buggy buffer overflows |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
529 //printf("len = %d, buffer.length = %d\n", len, buffer.length); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
530 assert(len < buffer.length); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
531 |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
532 return buffer[0 .. len]; |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
533 } |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
534 |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
535 /*********************************** |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
536 * Converts t into a text string of the form: "Www, dd Mmm yyyy hh:mm:ss UTC". |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
537 * If t is invalid, "Invalid date" is returned. |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
538 */ |
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Applied downs' lphobos update
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parents:
diff
changeset
|
539 |
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Applied downs' lphobos update
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parents:
diff
changeset
|
540 string toUTCString(d_time t) |
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Applied downs' lphobos update
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parents:
diff
changeset
|
541 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
542 // Years are supposed to be -285616 .. 285616, or 7 digits |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
543 // "Tue, 02 Apr 1996 02:04:57 GMT" |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
544 char[] buffer = new char[25 + 7 + 1]; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
545 int len; |
373489eeaf90
Applied downs' lphobos update
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parents:
diff
changeset
|
546 |
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Applied downs' lphobos update
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parents:
diff
changeset
|
547 if (t == d_time_nan) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
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|
548 return "Invalid Date"; |
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Applied downs' lphobos update
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parents:
diff
changeset
|
549 |
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Applied downs' lphobos update
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parents:
diff
changeset
|
550 len = sprintf(buffer.ptr, "%.3s, %02d %.3s %d %02d:%02d:%02d UTC", |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
551 &daystr[WeekDay(t) * 3], DateFromTime(t), |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
552 &monstr[MonthFromTime(t) * 3], |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
553 YearFromTime(t), |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
554 HourFromTime(t), MinFromTime(t), SecFromTime(t)); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
555 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
556 // Ensure no buggy buffer overflows |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
557 assert(len < buffer.length); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
558 |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
559 return buffer[0 .. len]; |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
560 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
561 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
562 /************************************ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
563 * Converts the date portion of time into a text string of the form: "Www Mmm dd |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
564 * yyyy", for example, "Tue Apr 02 1996". |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
565 * If time is invalid, "Invalid date" is returned. |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
566 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
567 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
568 string toDateString(d_time time) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
569 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
570 d_time t; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
571 d_time offset; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
572 d_time dst; |
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Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
573 int len; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
574 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
575 // Years are supposed to be -285616 .. 285616, or 7 digits |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
576 // "Tue Apr 02 1996" |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
577 char[] buffer = new char[29 + 7 + 1]; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
578 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
579 if (time == d_time_nan) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
580 return "Invalid Date"; |
373489eeaf90
Applied downs' lphobos update
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parents:
diff
changeset
|
581 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
582 dst = DaylightSavingTA(time); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
583 offset = LocalTZA + dst; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
584 t = time + offset; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
585 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
586 len = sprintf(buffer.ptr, "%.3s %.3s %02d %d", |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
587 &daystr[WeekDay(t) * 3], |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
588 &monstr[MonthFromTime(t) * 3], |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
589 DateFromTime(t), |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
590 /*cast(long)*/YearFromTime(t)); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
591 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
592 // Ensure no buggy buffer overflows |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
593 assert(len < buffer.length); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
594 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
595 return buffer[0 .. len]; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
596 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
597 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
598 /****************************************** |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
599 * Converts the time portion of t into a text string of the form: "hh:mm:ss |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
600 * GMT+-TZ", for example, "02:04:57 GMT-0800". |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
601 * If t is invalid, "Invalid date" is returned. |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
602 * The input must be in UTC, and the output is in local time. |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
603 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
604 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
605 string toTimeString(d_time time) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
606 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
607 d_time t; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
608 char sign; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
609 int hr; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
610 int mn; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
611 int len; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
612 d_time offset; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
613 d_time dst; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
614 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
615 // "02:04:57 GMT-0800" |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
616 char[] buffer = new char[17 + 1]; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
617 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
618 if (time == d_time_nan) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
619 return "Invalid Date"; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
620 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
621 dst = DaylightSavingTA(time); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
622 offset = LocalTZA + dst; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
623 t = time + offset; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
624 sign = '+'; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
625 if (offset < 0) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
626 { sign = '-'; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
627 // offset = -offset; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
628 offset = -(LocalTZA + dst); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
629 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
630 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
631 mn = cast(int)(offset / msPerMinute); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
632 hr = mn / 60; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
633 mn %= 60; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
634 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
635 //printf("hr = %d, offset = %g, LocalTZA = %g, dst = %g, + = %g\n", hr, offset, LocalTZA, dst, LocalTZA + dst); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
636 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
637 len = sprintf(buffer.ptr, "%02d:%02d:%02d GMT%c%02d%02d", |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
638 HourFromTime(t), MinFromTime(t), SecFromTime(t), |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
639 sign, hr, mn); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
640 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
641 // Ensure no buggy buffer overflows |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
642 assert(len < buffer.length); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
643 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
644 // Lop off terminating 0 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
645 return buffer[0 .. len]; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
646 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
647 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
648 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
649 /****************************************** |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
650 * Parses s as a textual date string, and returns it as a d_time. |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
651 * If the string is not a valid date, d_time_nan is returned. |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
652 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
653 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
654 d_time parse(string s) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
655 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
656 Date dp; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
657 d_time n; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
658 d_time day; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
659 d_time time; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
660 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
661 try |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
662 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
663 dp.parse(s); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
664 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
665 //writefln("year = %d, month = %d, day = %d", dp.year, dp.month, dp.day); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
666 //writefln("%02d:%02d:%02d.%03d", dp.hour, dp.minute, dp.second, dp.ms); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
667 //writefln("weekday = %d, ampm = %d, tzcorrection = %d", dp.weekday, 1, dp.tzcorrection); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
668 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
669 time = MakeTime(dp.hour, dp.minute, dp.second, dp.ms); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
670 if (dp.tzcorrection == int.min) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
671 time -= LocalTZA; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
672 else |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
673 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
674 time += cast(d_time)(dp.tzcorrection / 100) * msPerHour + |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
675 cast(d_time)(dp.tzcorrection % 100) * msPerMinute; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
676 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
677 day = MakeDay(dp.year, dp.month - 1, dp.day); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
678 n = MakeDate(day,time); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
679 n = TimeClip(n); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
680 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
681 catch |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
682 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
683 n = d_time_nan; // erroneous date string |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
684 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
685 return n; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
686 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
687 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
688 static this() |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
689 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
690 LocalTZA = getLocalTZA(); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
691 //printf("LocalTZA = %g, %g\n", LocalTZA, LocalTZA / msPerHour); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
692 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
693 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
694 version (Win32) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
695 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
696 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
697 private import std.c.windows.windows; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
698 //import c.time; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
699 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
700 /****** |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
701 * Get current UTC time. |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
702 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
703 d_time getUTCtime() |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
704 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
705 SYSTEMTIME st; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
706 d_time n; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
707 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
708 GetSystemTime(&st); // get time in UTC |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
709 n = SYSTEMTIME2d_time(&st, 0); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
710 return n; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
711 //return c.time.time(null) * TicksPerSecond; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
712 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
713 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
714 static d_time FILETIME2d_time(FILETIME *ft) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
715 { SYSTEMTIME st; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
716 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
717 if (!FileTimeToSystemTime(ft, &st)) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
718 return d_time_nan; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
719 return SYSTEMTIME2d_time(&st, 0); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
720 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
721 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
722 static d_time SYSTEMTIME2d_time(SYSTEMTIME *st, d_time t) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
723 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
724 d_time n; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
725 d_time day; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
726 d_time time; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
727 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
728 if (st.wYear) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
729 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
730 time = MakeTime(st.wHour, st.wMinute, st.wSecond, st.wMilliseconds); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
731 day = MakeDay(st.wYear, st.wMonth - 1, st.wDay); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
732 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
733 else |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
734 { // wDayOfWeek is weekday, wDay is which week in the month |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
735 int year; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
736 int wd; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
737 int mday; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
738 int month; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
739 d_time x; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
740 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
741 year = YearFromTime(t); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
742 month = st.wMonth - 1; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
743 x = MakeDay(year, month, 1); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
744 wd = WeekDay(MakeDate(x, 0)); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
745 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
746 mday = (7 - wd + st.wDayOfWeek); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
747 if (mday >= 7) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
748 mday -= 7; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
749 mday += (st.wDay - 1) * 7 + 1; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
750 //printf("month = %d, wDayOfWeek = %d, wDay = %d, mday = %d\n", st.wMonth, st.wDayOfWeek, st.wDay, mday); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
751 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
752 day = MakeDay(year, month, mday); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
753 time = 0; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
754 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
755 n = MakeDate(day,time); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
756 n = TimeClip(n); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
757 return n; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
758 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
759 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
760 d_time getLocalTZA() |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
761 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
762 d_time t; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
763 DWORD r; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
764 TIME_ZONE_INFORMATION tzi; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
765 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
766 /* http://msdn.microsoft.com/library/en-us/sysinfo/base/gettimezoneinformation.asp |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
767 * http://msdn2.microsoft.com/en-us/library/ms725481.aspx |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
768 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
769 r = GetTimeZoneInformation(&tzi); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
770 //printf("bias = %d\n", tzi.Bias); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
771 //printf("standardbias = %d\n", tzi.StandardBias); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
772 //printf("daylightbias = %d\n", tzi.DaylightBias); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
773 switch (r) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
774 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
775 case TIME_ZONE_ID_STANDARD: |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
776 t = -(tzi.Bias + tzi.StandardBias) * cast(d_time)(60 * TicksPerSecond); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
777 break; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
778 case TIME_ZONE_ID_DAYLIGHT: |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
779 //t = -(tzi.Bias + tzi.DaylightBias) * cast(d_time)(60 * TicksPerSecond); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
780 //break; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
781 case TIME_ZONE_ID_UNKNOWN: |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
782 t = -(tzi.Bias) * cast(d_time)(60 * TicksPerSecond); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
783 break; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
784 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
785 default: |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
786 t = 0; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
787 break; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
788 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
789 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
790 return t; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
791 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
792 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
793 /* |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
794 * Get daylight savings time adjust for time dt. |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
795 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
796 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
797 int DaylightSavingTA(d_time dt) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
798 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
799 int t; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
800 DWORD r; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
801 TIME_ZONE_INFORMATION tzi; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
802 d_time ts; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
803 d_time td; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
804 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
805 /* http://msdn.microsoft.com/library/en-us/sysinfo/base/gettimezoneinformation.asp |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
806 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
807 r = GetTimeZoneInformation(&tzi); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
808 t = 0; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
809 switch (r) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
810 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
811 case TIME_ZONE_ID_STANDARD: |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
812 case TIME_ZONE_ID_DAYLIGHT: |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
813 if (tzi.StandardDate.wMonth == 0 || |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
814 tzi.DaylightDate.wMonth == 0) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
815 break; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
816 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
817 ts = SYSTEMTIME2d_time(&tzi.StandardDate, dt); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
818 td = SYSTEMTIME2d_time(&tzi.DaylightDate, dt); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
819 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
820 if (td <= dt && dt <= ts) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
821 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
822 t = -tzi.DaylightBias * (60 * TicksPerSecond); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
823 //printf("DST is in effect, %d\n", t); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
824 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
825 else |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
826 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
827 //printf("no DST\n"); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
828 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
829 break; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
830 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
831 case TIME_ZONE_ID_UNKNOWN: |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
832 // Daylight savings time not used in this time zone |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
833 break; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
834 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
835 default: |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
836 assert(0); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
837 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
838 return t; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
839 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
840 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
841 else version (Unix) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
842 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
843 // for now, just copy linux |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
844 private import std.c.unix.unix; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
845 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
846 d_time getUTCtime() |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
847 { timeval tv; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
848 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
849 if (gettimeofday(&tv, null)) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
850 { // Some error happened - try time() instead |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
851 return time(null) * TicksPerSecond; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
852 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
853 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
854 return tv.tv_sec * cast(d_time)TicksPerSecond + |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
855 (tv.tv_usec / (1000000 / cast(d_time)TicksPerSecond)); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
856 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
857 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
858 private extern (C) time_t _d_gnu_cbridge_tza(); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
859 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
860 d_time getLocalTZA() |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
861 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
862 return _d_gnu_cbridge_tza() * TicksPerSecond; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
863 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
864 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
865 /* |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
866 * Get daylight savings time adjust for time dt. |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
867 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
868 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
869 int DaylightSavingTA(d_time dt) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
870 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
871 tm *tmp; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
872 time_t t; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
873 int dst = 0; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
874 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
875 if (dt != d_time_nan) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
876 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
877 d_time seconds = dt / TicksPerSecond; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
878 t = cast(time_t) seconds; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
879 if (t == seconds) // if in range |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
880 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
881 tmp = localtime(&t); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
882 if (tmp.tm_isdst > 0) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
883 dst = TicksPerHour; // BUG: Assume daylight savings time is plus one hour. |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
884 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
885 else // out of range for system time, use our own calculation |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
886 { // Daylight savings time goes from 2 AM the first Sunday |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
887 // in April through 2 AM the last Sunday in October |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
888 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
889 dt -= LocalTZA; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
890 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
891 int year = YearFromTime(dt); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
892 int leap = LeapYear(cast(int)dt); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
893 //writefln("year = %s, leap = %s, month = %s", year, leap, MonthFromTime(dt)); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
894 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
895 d_time start = TimeFromYear(year); // Jan 1 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
896 d_time end = start; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
897 // Move fwd to Apr 1 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
898 start += cast(d_time)(mdays[3] + leap) * TicksPerDay; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
899 // Advance a day at a time until we find Sunday (0) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
900 while (WeekDay(start) != 0) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
901 start += TicksPerDay; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
902 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
903 // Move fwd to Oct 30 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
904 end += cast(d_time)(mdays[9] + leap + 30) * TicksPerDay; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
905 // Back up a day at a time until we find Sunday (0) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
906 while (WeekDay(end) != 0) // 0 is Sunday |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
907 end -= TicksPerDay; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
908 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
909 dt -= 2 * TicksPerHour; // 2 AM |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
910 if (dt >= start && dt <= end) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
911 dst = TicksPerHour; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
912 //writefln("start = %s, dt = %s, end = %s, dst = %s", start, dt, end, dst); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
913 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
914 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
915 return dst; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
916 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
917 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
918 else version (linux) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
919 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
920 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
921 private import std.c.linux.linux; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
922 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
923 d_time getUTCtime() |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
924 { timeval tv; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
925 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
926 //printf("getUTCtime()\n"); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
927 if (gettimeofday(&tv, null)) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
928 { // Some error happened - try time() instead |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
929 return time(null) * TicksPerSecond; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
930 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
931 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
932 return tv.tv_sec * cast(d_time)TicksPerSecond + |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
933 (tv.tv_usec / (1000000 / cast(d_time)TicksPerSecond)); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
934 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
935 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
936 d_time getLocalTZA() |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
937 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
938 int t; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
939 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
940 time(&t); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
941 localtime(&t); // this will set timezone |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
942 return -(timezone * TicksPerSecond); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
943 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
944 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
945 /* |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
946 * Get daylight savings time adjust for time dt. |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
947 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
948 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
949 int DaylightSavingTA(d_time dt) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
950 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
951 tm *tmp; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
952 int t; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
953 int dst = 0; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
954 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
955 if (dt != d_time_nan) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
956 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
957 d_time seconds = dt / TicksPerSecond; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
958 t = cast(int) seconds; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
959 if (t == seconds) // if in range |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
960 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
961 tmp = localtime(&t); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
962 if (tmp.tm_isdst > 0) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
963 dst = TicksPerHour; // BUG: Assume daylight savings time is plus one hour. |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
964 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
965 else // out of range for system time, use our own calculation |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
966 { // Daylight savings time goes from 2 AM the first Sunday |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
967 // in April through 2 AM the last Sunday in October |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
968 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
969 dt -= LocalTZA; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
970 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
971 int year = YearFromTime(dt); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
972 int leap = LeapYear(dt); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
973 //writefln("year = %s, leap = %s, month = %s", year, leap, MonthFromTime(dt)); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
974 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
975 d_time start = TimeFromYear(year); // Jan 1 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
976 d_time end = start; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
977 // Move fwd to Apr 1 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
978 start += cast(d_time)(mdays[3] + leap) * TicksPerDay; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
979 // Advance a day at a time until we find Sunday (0) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
980 while (WeekDay(start) != 0) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
981 start += TicksPerDay; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
982 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
983 // Move fwd to Oct 30 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
984 end += cast(d_time)(mdays[9] + leap + 30) * TicksPerDay; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
985 // Back up a day at a time until we find Sunday (0) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
986 while (WeekDay(end) != 0) // 0 is Sunday |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
987 end -= TicksPerDay; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
988 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
989 dt -= 2 * TicksPerHour; // 2 AM |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
990 if (dt >= start && dt <= end) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
991 dst = TicksPerHour; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
992 //writefln("start = %s, dt = %s, end = %s, dst = %s", start, dt, end, dst); |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
993 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
994 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
995 return dst; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
996 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
997 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
998 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
999 else version (NoSystem) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
1000 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
1001 d_time getLocalTZA() { return 0; } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
1002 int DaylightSavingTA(d_time dt) { return 0; } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
1003 } |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
1004 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
1005 /+ ====================== DOS File Time =============================== +/ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
1006 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
1007 /*** |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
1008 * Type representing the DOS file date/time format. |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
1009 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
1010 typedef uint DosFileTime; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
1011 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
1012 /************************************ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
1013 * Convert from DOS file date/time to d_time. |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
1014 */ |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
1015 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
1016 d_time toDtime(DosFileTime time) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
1017 { |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
1018 uint dt = cast(uint)time; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
1019 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
1020 if (dt == 0) |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
1021 return d_time_nan; |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
1022 |
373489eeaf90
Applied downs' lphobos update
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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1023 int year = ((dt >> 25) & 0x7F) + 1980; |
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1024 int month = ((dt >> 21) & 0x0F) - 1; // 0..12 |
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1025 int dayofmonth = ((dt >> 16) & 0x1F); // 0..31 |
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1026 int hour = (dt >> 11) & 0x1F; // 0..23 |
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1027 int minute = (dt >> 5) & 0x3F; // 0..59 |
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1028 int second = (dt << 1) & 0x3E; // 0..58 (in 2 second increments) |
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1029 |
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1030 d_time t; |
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1031 |
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1032 t = std.date.MakeDate(std.date.MakeDay(year, month, dayofmonth), |
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1033 std.date.MakeTime(hour, minute, second, 0)); |
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1034 |
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1035 assert(YearFromTime(t) == year); |
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1036 assert(MonthFromTime(t) == month); |
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1037 assert(DateFromTime(t) == dayofmonth); |
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1038 assert(HourFromTime(t) == hour); |
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1039 assert(MinFromTime(t) == minute); |
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1040 assert(SecFromTime(t) == second); |
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1041 |
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1042 t -= LocalTZA + DaylightSavingTA(t); |
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1043 |
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1044 return t; |
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1045 } |
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1046 |
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1047 /**************************************** |
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1048 * Convert from d_time to DOS file date/time. |
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1049 */ |
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1050 |
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1051 DosFileTime toDosFileTime(d_time t) |
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1052 { uint dt; |
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1053 |
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1054 if (t == d_time_nan) |
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1055 return cast(DosFileTime)0; |
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1056 |
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1057 t += LocalTZA + DaylightSavingTA(t); |
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1058 |
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1059 uint year = YearFromTime(t); |
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1060 uint month = MonthFromTime(t); |
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1061 uint dayofmonth = DateFromTime(t); |
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1062 uint hour = HourFromTime(t); |
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1063 uint minute = MinFromTime(t); |
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1064 uint second = SecFromTime(t); |
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1065 |
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1066 dt = (year - 1980) << 25; |
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1067 dt |= ((month + 1) & 0x0F) << 21; |
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1068 dt |= (dayofmonth & 0x1F) << 16; |
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1069 dt |= (hour & 0x1F) << 11; |
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1070 dt |= (minute & 0x3F) << 5; |
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1071 dt |= (second >> 1) & 0x1F; |
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1072 |
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1073 return cast(DosFileTime)dt; |
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1074 } |