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1 /* |
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2 |
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3 Copyright (C) 1999 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if !defined (octave_time_h) |
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24 #define octave_time_h 1 |
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25 |
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26 #include <cmath> |
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27 |
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28 #include <string> |
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29 |
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30 #include "systime.h" |
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31 |
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32 class octave_base_tm; |
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33 |
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34 class |
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35 octave_time |
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36 { |
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37 public: |
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38 |
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39 octave_time (void) |
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40 : ot_unix_time (0), ot_usec (0) { stamp (); } |
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41 |
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42 octave_time (time_t t) |
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43 : ot_unix_time (t), ot_usec (0) { } |
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44 |
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45 octave_time (double d) |
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46 : ot_unix_time (static_cast<time_t> (d)), ot_usec (0) |
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47 { |
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48 double ip; |
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49 ot_usec = static_cast<int> (std::modf (d, &ip) * 1e6); |
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50 } |
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51 |
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52 octave_time (const octave_base_tm& tm); |
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53 |
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54 octave_time (const octave_time& ot) |
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55 : ot_unix_time (ot.ot_unix_time), ot_usec (ot.ot_usec) { } |
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56 |
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57 octave_time& operator = (const octave_time& ot) |
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58 { |
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59 if (this != &ot) |
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60 { |
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61 ot_unix_time = ot.ot_unix_time; |
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62 ot_usec = ot.ot_usec; |
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63 } |
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64 |
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65 return *this; |
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66 } |
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67 |
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68 ~octave_time (void) { } |
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69 |
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70 void stamp (void); |
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71 |
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72 operator double () const { return ot_unix_time + ot_usec / 1e6; } |
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73 |
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74 operator time_t () const { return ot_unix_time; } |
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75 |
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76 time_t unix_time (void) const { return ot_unix_time; } |
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77 |
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78 int usec (void) const { return ot_usec; } |
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79 |
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80 std::string ctime (void) const; |
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81 |
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82 private: |
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83 |
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84 // Seconds since the epoch. |
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85 time_t ot_unix_time; |
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86 |
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87 // Additional microseconds. |
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88 int ot_usec; |
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89 }; |
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90 |
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91 inline bool |
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92 operator == (const octave_time& t1, const octave_time& t2) |
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93 { |
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94 return (t1.unix_time () == t2.unix_time () && t1.usec () == t2.usec ()); |
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95 } |
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96 |
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97 inline bool |
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98 operator != (const octave_time& t1, const octave_time& t2) |
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99 { |
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100 return ! (t1 == t2); |
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101 } |
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102 |
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103 inline bool |
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104 operator < (const octave_time& t1, const octave_time& t2) |
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105 { |
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106 if (t1.unix_time () < t2.unix_time ()) |
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107 return true; |
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108 else if (t1.unix_time () > t2.unix_time ()) |
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109 return false; |
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110 else if (t1.usec () < t2.usec ()) |
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111 return true; |
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112 else |
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113 return false; |
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114 } |
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115 |
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116 inline bool |
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117 operator <= (const octave_time& t1, const octave_time& t2) |
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118 { |
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119 return (t1 < t2 || t1 == t2); |
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120 } |
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121 |
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122 inline bool |
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123 operator > (const octave_time& t1, const octave_time& t2) |
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124 { |
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125 if (t1.unix_time () > t2.unix_time ()) |
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126 return true; |
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127 else if (t1.unix_time () < t2.unix_time ()) |
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128 return false; |
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129 else if (t1.usec () > t2.usec ()) |
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130 return true; |
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131 else |
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132 return false; |
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133 } |
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134 |
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135 inline bool |
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136 operator >= (const octave_time& t1, const octave_time& t2) |
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137 { |
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138 return (t1 > t2 || t1 == t2); |
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139 } |
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140 |
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141 class |
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142 octave_base_tm |
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143 { |
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144 public: |
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145 |
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146 octave_base_tm (void) |
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147 : tm_usec (0), tm_sec (0), tm_min (0), tm_hour (0), |
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148 tm_mday (0), tm_mon (0), tm_year (0), tm_wday (0), |
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149 tm_yday (0), tm_isdst (0), tm_zone ("unknown") |
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150 { } |
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151 |
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152 octave_base_tm (const octave_base_tm& tm) |
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153 : tm_usec (tm.tm_usec), tm_sec (tm.tm_sec), tm_min (tm.tm_min), |
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154 tm_hour (tm.tm_hour), tm_mday (tm.tm_mday), tm_mon (tm.tm_mon), |
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155 tm_year (tm.tm_year), tm_wday (tm.tm_wday), tm_yday (tm.tm_yday), |
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156 tm_isdst (tm.tm_isdst), tm_zone (tm.tm_zone) |
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157 { } |
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158 |
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159 octave_base_tm& operator = (const octave_base_tm& tm) |
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160 { |
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161 if (this != &tm) |
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162 { |
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163 tm_usec = tm.tm_usec; |
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164 tm_sec = tm.tm_sec; |
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165 tm_min = tm.tm_min; |
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166 tm_hour = tm.tm_hour; |
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167 tm_mday = tm.tm_mday; |
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168 tm_mon = tm.tm_mon; |
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169 tm_year = tm.tm_year; |
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170 tm_wday = tm.tm_wday; |
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171 tm_yday = tm.tm_yday; |
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172 tm_isdst = tm.tm_isdst; |
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173 tm_zone = tm.tm_zone; |
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174 } |
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175 |
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176 return *this; |
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177 } |
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178 |
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179 virtual ~octave_base_tm (void) { } |
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180 |
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181 int usec (void) const { return tm_usec; } |
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182 int sec (void) const { return tm_sec; } |
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183 int min (void) const { return tm_min; } |
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184 int hour (void) const { return tm_hour; } |
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185 int mday (void) const { return tm_mday; } |
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186 int mon (void) const { return tm_mon; } |
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187 int year (void) const { return tm_year; } |
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188 int wday (void) const { return tm_wday; } |
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189 int yday (void) const { return tm_yday; } |
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190 int isdst (void) const { return tm_isdst; } |
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191 std::string zone (void) const { return tm_zone; } |
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192 |
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193 octave_base_tm& usec (int v); |
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194 octave_base_tm& sec (int v); |
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195 octave_base_tm& min (int v); |
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196 octave_base_tm& hour (int v); |
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197 octave_base_tm& mday (int v); |
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198 octave_base_tm& mon (int v); |
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199 octave_base_tm& year (int v); |
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200 octave_base_tm& wday (int v); |
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201 octave_base_tm& yday (int v); |
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202 octave_base_tm& isdst (int v); |
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203 octave_base_tm& zone (const std::string& s); |
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204 |
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205 std::string strftime (const std::string& fmt) const; |
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206 |
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207 std::string asctime (void) const |
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208 { return strftime ("%a %b %d %H:%M:%S %Y\n"); } |
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209 |
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210 protected: |
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211 |
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212 // Microseconds after the second (0, 999999). |
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213 int tm_usec; |
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214 |
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215 // Seconds after the minute (0, 61). |
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216 int tm_sec; |
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217 |
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218 // Minutes after the hour (0, 59). |
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219 int tm_min; |
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220 |
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221 // Hours since midnight (0, 23). |
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222 int tm_hour; |
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223 |
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224 // Day of the month (1, 31). |
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225 int tm_mday; |
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226 |
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227 // Months since January (0, 11). |
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228 int tm_mon; |
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229 |
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230 // Years since 1900. |
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231 int tm_year; |
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232 |
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233 // Days since Sunday (0, 6). |
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234 int tm_wday; |
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235 |
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236 // Days since January 1 (0, 365). |
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237 int tm_yday; |
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238 |
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239 // Daylight Savings Time flag. |
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240 int tm_isdst; |
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241 |
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242 // Time zone. |
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243 std::string tm_zone; |
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244 |
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245 void init (void *p); |
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246 }; |
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247 |
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248 class |
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249 octave_localtime : public octave_base_tm |
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250 { |
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251 public: |
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252 |
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253 octave_localtime (void) |
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254 : octave_base_tm () { init (octave_time ()); } |
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255 |
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256 octave_localtime (const octave_time& ot) |
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257 : octave_base_tm () { init (ot); } |
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258 |
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259 octave_localtime (const octave_localtime& t) |
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260 : octave_base_tm (t) { } |
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261 |
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262 octave_localtime& operator = (const octave_localtime& t) |
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263 { |
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264 octave_base_tm::operator = (t); |
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265 return *this; |
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266 } |
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267 |
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268 ~octave_localtime (void) { } |
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269 |
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270 private: |
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271 |
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272 void init (const octave_time& ot); |
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273 }; |
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274 |
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275 class |
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276 octave_gmtime : public octave_base_tm |
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277 { |
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278 public: |
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279 |
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280 octave_gmtime (void) |
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281 : octave_base_tm () { init (octave_time ()); } |
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282 |
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283 octave_gmtime (const octave_time& ot) |
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284 : octave_base_tm () { init (ot); } |
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285 |
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286 octave_gmtime& operator = (const octave_gmtime& t) |
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287 { |
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288 octave_base_tm::operator = (t); |
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289 return *this; |
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290 } |
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291 |
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292 ~octave_gmtime (void) { } |
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293 |
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294 private: |
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295 |
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296 void init (const octave_time& ot); |
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297 }; |
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298 |
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299 class |
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300 octave_strptime : public octave_base_tm |
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301 { |
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302 public: |
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303 |
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304 octave_strptime (const std::string& str, const std::string& fmt) |
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305 : octave_base_tm () { init (str, fmt); } |
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306 |
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307 octave_strptime (const octave_strptime& s) |
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308 : octave_base_tm (s) { nchars = s.nchars; } |
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309 |
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310 octave_strptime& operator = (const octave_strptime& s) |
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311 { |
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312 octave_base_tm::operator = (s); |
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313 nchars = s.nchars; |
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314 return *this; |
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315 } |
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316 |
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317 int characters_converted (void) const { return nchars; } |
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318 |
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319 ~octave_strptime (void) { } |
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320 |
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321 private: |
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322 |
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323 int nchars; |
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324 |
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325 void init (const std::string& str, const std::string& fmt); |
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326 }; |
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327 |
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328 #endif |
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329 |
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330 /* |
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331 ;;; Local Variables: *** |
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332 ;;; mode: C++ *** |
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333 ;;; End: *** |
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334 */ |
