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synchronization of axes position and outerposition
author Konstantinos Poulios <logari81@googlemail.com>
date Sun, 13 Feb 2011 15:11:56 +0100
parents fd0a3ac60b0e
children f5bd61eb032f
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1 /*
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2
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3 Copyright (C) 1999-2011 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 3 of the License, or (at your
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10 option) any 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, see
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19 <http://www.gnu.org/licenses/>.
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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 <ctime>
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27 #include <string>
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28
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29 #include "lo-math.h"
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30
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31 class octave_base_tm;
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32
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33 class
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34 OCTAVE_API
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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 (time_t t, int us)
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46 : ot_unix_time (t), ot_usec ()
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47 {
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48 int rem, extra;
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49
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50 if (us >= 0)
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51 {
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52 rem = us % 1000000;
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53 extra = (us - rem) / 1000000;
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54 }
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55 else
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56 {
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57 us = -us;
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58 rem = us % 1000000;
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59 extra = - (1 + (us - rem) / 1000000);
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60 rem = 1000000 - us % 1000000;
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61 }
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62
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63 ot_usec = rem;
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64 ot_unix_time += extra;
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65 }
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66
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67 octave_time (double d)
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68 : ot_unix_time (static_cast<time_t> (d)), ot_usec (0)
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69 {
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70 double ip;
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71 ot_usec = static_cast<int> (std::modf (d, &ip) * 1e6);
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72 }
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73
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74 octave_time (const octave_base_tm& tm);
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75
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76 octave_time (const octave_time& ot)
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77 : ot_unix_time (ot.ot_unix_time), ot_usec (ot.ot_usec) { }
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78
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79 octave_time& operator = (const octave_time& ot)
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80 {
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81 if (this != &ot)
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82 {
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83 ot_unix_time = ot.ot_unix_time;
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84 ot_usec = ot.ot_usec;
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85 }
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86
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87 return *this;
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88 }
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89
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90 ~octave_time (void) { }
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91
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92 void stamp (void);
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93
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94 double double_value (void) const { return ot_unix_time + ot_usec / 1e6; }
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95
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96 time_t unix_time (void) const { return ot_unix_time; }
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97
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98 int usec (void) const { return ot_usec; }
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99
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100 std::string ctime (void) const;
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101
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102 private:
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103
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104 // Seconds since the epoch.
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105 time_t ot_unix_time;
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106
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107 // Additional microseconds.
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108 int ot_usec;
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109 };
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110
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111 inline bool
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112 operator == (const octave_time& t1, const octave_time& t2)
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113 {
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114 return (t1.unix_time () == t2.unix_time () && t1.usec () == t2.usec ());
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115 }
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116
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117 inline bool
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118 operator != (const octave_time& t1, const octave_time& t2)
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119 {
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120 return ! (t1 == t2);
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121 }
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122
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123 inline bool
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124 operator < (const octave_time& t1, const octave_time& t2)
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125 {
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126 if (t1.unix_time () < t2.unix_time ())
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127 return true;
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128 else if (t1.unix_time () > t2.unix_time ())
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129 return false;
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130 else if (t1.usec () < t2.usec ())
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131 return true;
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132 else
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133 return false;
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134 }
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135
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136 inline bool
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137 operator <= (const octave_time& t1, const octave_time& t2)
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138 {
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139 return (t1 < t2 || t1 == t2);
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140 }
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141
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142 inline bool
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143 operator > (const octave_time& t1, const octave_time& t2)
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144 {
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145 if (t1.unix_time () > t2.unix_time ())
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146 return true;
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147 else if (t1.unix_time () < t2.unix_time ())
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148 return false;
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149 else if (t1.usec () > t2.usec ())
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150 return true;
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151 else
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152 return false;
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153 }
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154
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155 inline bool
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156 operator >= (const octave_time& t1, const octave_time& t2)
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157 {
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158 return (t1 > t2 || t1 == t2);
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159 }
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160
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161 inline octave_time
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162 operator + (const octave_time& t1, const octave_time& t2)
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163 {
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164 return octave_time (t1.unix_time () + t2.unix_time (),
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165 t1.usec () + t2.usec ());
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166 }
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167
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168 class
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169 OCTAVE_API
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170 octave_base_tm
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171 {
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172 public:
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173
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174 octave_base_tm (void)
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175 : tm_usec (0), tm_sec (0), tm_min (0), tm_hour (0),
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176 tm_mday (0), tm_mon (0), tm_year (0), tm_wday (0),
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177 tm_yday (0), tm_isdst (0), tm_zone ("unknown")
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178 { }
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179
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180 octave_base_tm (const octave_base_tm& tm)
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181 : tm_usec (tm.tm_usec), tm_sec (tm.tm_sec), tm_min (tm.tm_min),
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182 tm_hour (tm.tm_hour), tm_mday (tm.tm_mday), tm_mon (tm.tm_mon),
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183 tm_year (tm.tm_year), tm_wday (tm.tm_wday), tm_yday (tm.tm_yday),
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184 tm_isdst (tm.tm_isdst), tm_zone (tm.tm_zone)
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185 { }
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186
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187 octave_base_tm& operator = (const octave_base_tm& tm)
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188 {
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189 if (this != &tm)
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190 {
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191 tm_usec = tm.tm_usec;
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192 tm_sec = tm.tm_sec;
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193 tm_min = tm.tm_min;
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194 tm_hour = tm.tm_hour;
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195 tm_mday = tm.tm_mday;
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196 tm_mon = tm.tm_mon;
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197 tm_year = tm.tm_year;
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198 tm_wday = tm.tm_wday;
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199 tm_yday = tm.tm_yday;
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200 tm_isdst = tm.tm_isdst;
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201 tm_zone = tm.tm_zone;
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202 }
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203
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204 return *this;
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205 }
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206
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207 virtual ~octave_base_tm (void) { }
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208
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209 int usec (void) const { return tm_usec; }
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210 int sec (void) const { return tm_sec; }
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211 int min (void) const { return tm_min; }
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212 int hour (void) const { return tm_hour; }
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213 int mday (void) const { return tm_mday; }
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214 int mon (void) const { return tm_mon; }
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215 int year (void) const { return tm_year; }
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216 int wday (void) const { return tm_wday; }
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217 int yday (void) const { return tm_yday; }
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218 int isdst (void) const { return tm_isdst; }
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219 std::string zone (void) const { return tm_zone; }
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220
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221 octave_base_tm& usec (int v);
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222 octave_base_tm& sec (int v);
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223 octave_base_tm& min (int v);
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224 octave_base_tm& hour (int v);
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225 octave_base_tm& mday (int v);
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226 octave_base_tm& mon (int v);
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227 octave_base_tm& year (int v);
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228 octave_base_tm& wday (int v);
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229 octave_base_tm& yday (int v);
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230 octave_base_tm& isdst (int v);
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231 octave_base_tm& zone (const std::string& s);
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232
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233 std::string strftime (const std::string& fmt) const;
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234
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235 std::string asctime (void) const
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236 { return strftime ("%a %b %d %H:%M:%S %Y\n"); }
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237
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238 protected:
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239
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240 // Microseconds after the second (0, 999999).
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241 int tm_usec;
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242
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243 // Seconds after the minute (0, 61).
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244 int tm_sec;
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245
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246 // Minutes after the hour (0, 59).
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247 int tm_min;
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248
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249 // Hours since midnight (0, 23).
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250 int tm_hour;
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251
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252 // Day of the month (1, 31).
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253 int tm_mday;
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254
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255 // Months since January (0, 11).
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256 int tm_mon;
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257
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258 // Years since 1900.
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259 int tm_year;
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260
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261 // Days since Sunday (0, 6).
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262 int tm_wday;
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263
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264 // Days since January 1 (0, 365).
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265 int tm_yday;
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266
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267 // Daylight Savings Time flag.
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268 int tm_isdst;
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269
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270 // Time zone.
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271 std::string tm_zone;
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272
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273 void init (void *p);
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274 };
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275
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276 class
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277 OCTAVE_API
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278 octave_localtime : public octave_base_tm
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279 {
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280 public:
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281
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282 octave_localtime (void)
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283 : octave_base_tm () { init (octave_time ()); }
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284
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285 octave_localtime (const octave_time& ot)
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286 : octave_base_tm () { init (ot); }
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287
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288 octave_localtime (const octave_localtime& t)
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289 : octave_base_tm (t) { }
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290
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291 octave_localtime& operator = (const octave_localtime& t)
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292 {
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293 octave_base_tm::operator = (t);
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294 return *this;
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295 }
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296
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297 ~octave_localtime (void) { }
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298
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299 private:
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300
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301 void init (const octave_time& ot);
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302 };
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303
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304 class
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305 OCTAVE_API
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306 octave_gmtime : public octave_base_tm
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307 {
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308 public:
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309
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310 octave_gmtime (void)
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311 : octave_base_tm () { init (octave_time ()); }
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312
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313 octave_gmtime (const octave_time& ot)
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314 : octave_base_tm () { init (ot); }
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315
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316 octave_gmtime& operator = (const octave_gmtime& t)
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317 {
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318 octave_base_tm::operator = (t);
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319 return *this;
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320 }
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321
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322 ~octave_gmtime (void) { }
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323
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324 private:
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325
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326 void init (const octave_time& ot);
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327 };
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328
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329 class
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330 OCTAVE_API
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331 octave_strptime : public octave_base_tm
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332 {
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333 public:
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334
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335 octave_strptime (const std::string& str, const std::string& fmt)
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336 : octave_base_tm (), nchars (0)
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337 {
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338 init (str, fmt);
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339 }
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340
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341 octave_strptime (const octave_strptime& s)
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342 : octave_base_tm (s), nchars (s.nchars) { }
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343
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344 octave_strptime& operator = (const octave_strptime& s)
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345 {
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346 octave_base_tm::operator = (s);
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347 nchars = s.nchars;
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348 return *this;
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349 }
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350
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351 int characters_converted (void) const { return nchars; }
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352
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353 ~octave_strptime (void) { }
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354
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355 private:
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356
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357 int nchars;
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358
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359 void init (const std::string& str, const std::string& fmt);
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360 };
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361
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362 #endif