Mercurial > octave-nkf
annotate src/DLD-FUNCTIONS/time.cc @ 14501:60e5cf354d80
Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.
* __contourc__.cc, __delaunayn__.cc, __dispatch__.cc, __dsearchn__.cc,
__fltk_uigetfile__.cc, __glpk__.cc, __lin_interpn__.cc, __magick_read__.cc,
__pchip_deriv__.cc, __qp__.cc, __voronoi__.cc, besselj.cc, betainc.cc,
bsxfun.cc, cellfun.cc, chol.cc, conv2.cc, convhulln.cc, dassl.cc, det.cc,
dlmread.cc, dmperm.cc, dot.cc, eig.cc, eigs.cc, fft.cc, fft2.cc, filter.cc,
find.cc, gammainc.cc, gcd.cc, givens.cc, hess.cc, hex2num.cc, inv.cc, kron.cc,
lookup.cc, lsode.cc, lu.cc, luinc.cc, matrix_type.cc, max.cc, mgorth.cc,
nproc.cc, qr.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc,
schur.cc, spparms.cc, sqrtm.cc, str2double.cc, strfind.cc, sub2ind.cc, svd.cc,
syl.cc, time.cc, tril.cc, tsearch.cc: Update %!tests in DLD-FUNCTIONS/
directory with Octave coding conventions.
author | Rik <octave@nomad.inbox5.com> |
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date | Tue, 27 Mar 2012 22:46:45 -0700 |
parents | 97883071e8e4 |
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rev | line source |
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2928 | 1 /* |
2 | |
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3 Copyright (C) 1996-2012 John W. Eaton |
2928 | 4 |
5 This file is part of Octave. | |
6 | |
7 Octave is free software; you can redistribute it and/or modify it | |
8 under the terms of the GNU General Public License as published by the | |
7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
10 option) any later version. | |
2928 | 11 |
12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 for more details. | |
16 | |
17 You should have received a copy of the GNU General Public License | |
7016 | 18 along with Octave; see the file COPYING. If not, see |
19 <http://www.gnu.org/licenses/>. | |
2928 | 20 |
21 */ | |
22 | |
23 #ifdef HAVE_CONFIG_H | |
24 #include <config.h> | |
25 #endif | |
26 | |
27 #include <string> | |
28 | |
29 #include "defun-dld.h" | |
30 #include "error.h" | |
31 #include "oct-map.h" | |
3254 | 32 #include "oct-time.h" |
2928 | 33 #include "ov.h" |
34 #include "oct-obj.h" | |
35 | |
36 // Date and time functions. | |
37 | |
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38 static octave_scalar_map |
3254 | 39 mk_tm_map (const octave_base_tm& t) |
2928 | 40 { |
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41 octave_scalar_map m; |
2928 | 42 |
4675 | 43 m.assign ("usec", static_cast<double> (t.usec ())); |
44 m.assign ("sec", static_cast<double> (t.sec ())); | |
45 m.assign ("min", static_cast<double> (t.min ())); | |
46 m.assign ("hour", static_cast<double> (t.hour ())); | |
47 m.assign ("mday", static_cast<double> (t.mday ())); | |
48 m.assign ("mon", static_cast<double> (t.mon ())); | |
49 m.assign ("year", static_cast<double> (t.year ())); | |
50 m.assign ("wday", static_cast<double> (t.wday ())); | |
51 m.assign ("yday", static_cast<double> (t.yday ())); | |
52 m.assign ("isdst", static_cast<double> (t.isdst ())); | |
53 m.assign ("zone", t.zone ()); | |
2928 | 54 |
55 return m; | |
56 } | |
57 | |
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58 static inline int |
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59 intfield (const octave_scalar_map& m, const std::string& k) |
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60 { |
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61 int retval = 0; |
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62 |
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63 octave_value v = m.getfield (k); |
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64 |
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65 if (! v.is_empty ()) |
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66 retval = v.int_value (); |
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67 |
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68 return retval; |
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69 } |
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70 |
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71 static inline std::string |
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72 stringfield (const octave_scalar_map& m, const std::string& k) |
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73 { |
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74 std::string retval; |
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75 |
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76 octave_value v = m.getfield (k); |
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77 |
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78 if (! v.is_empty ()) |
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79 retval = v.string_value (); |
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80 |
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81 return retval; |
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82 } |
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83 |
3254 | 84 static octave_base_tm |
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85 extract_tm (const octave_scalar_map& m) |
2928 | 86 { |
3254 | 87 octave_base_tm tm; |
2928 | 88 |
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89 tm.usec (intfield (m, "usec")); |
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90 tm.sec (intfield (m, "sec")); |
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91 tm.min (intfield (m, "min")); |
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92 tm.hour (intfield (m, "hour")); |
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93 tm.mday (intfield (m, "mday")); |
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94 tm.mon (intfield (m, "mon")); |
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95 tm.year (intfield (m, "year")); |
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96 tm.wday (intfield (m, "wday")); |
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97 tm.yday (intfield (m, "yday")); |
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98 tm.isdst (intfield (m, "isdst")); |
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99 tm.zone (stringfield (m, "zone")); |
2928 | 100 |
3254 | 101 return tm; |
2928 | 102 } |
103 | |
3255 | 104 DEFUN_DLD (time, args, , |
3301 | 105 "-*- texinfo -*-\n\ |
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106 @deftypefn {Loadable Function} {@var{seconds} =} time ()\n\ |
3301 | 107 Return the current time as the number of seconds since the epoch. The\n\ |
108 epoch is referenced to 00:00:00 CUT (Coordinated Universal Time) 1 Jan\n\ | |
109 1970. For example, on Monday February 17, 1997 at 07:15:06 CUT, the\n\ | |
110 value returned by @code{time} was 856163706.\n\ | |
5688 | 111 @seealso{strftime, strptime, localtime, gmtime, mktime, now, date, clock, datenum, datestr, datevec, calendar, weekday}\n\ |
3301 | 112 @end deftypefn") |
2928 | 113 { |
3255 | 114 octave_value retval; |
2928 | 115 |
3255 | 116 if (args.length () == 0) |
7065 | 117 retval = octave_time (); |
3255 | 118 else |
5823 | 119 print_usage (); |
3255 | 120 |
121 return retval; | |
2928 | 122 } |
123 | |
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124 /* |
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125 %!assert (time () > 0) |
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126 */ |
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127 |
2928 | 128 DEFUN_DLD (gmtime, args, , |
3301 | 129 "-*- texinfo -*-\n\ |
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130 @deftypefn {Loadable Function} {@var{tm_struct} =} gmtime (@var{t})\n\ |
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131 Given a value returned from @code{time}, or any non-negative integer,\n\ |
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132 return a time structure corresponding to CUT (Coordinated Universal Time).\n\ |
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133 For example:\n\ |
2928 | 134 \n\ |
3301 | 135 @example\n\ |
136 @group\n\ | |
137 gmtime (time ())\n\ | |
138 @result{} @{\n\ | |
139 usec = 0\n\ | |
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140 sec = 6\n\ |
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141 min = 15\n\ |
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142 hour = 7\n\ |
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143 mday = 17\n\ |
3301 | 144 mon = 1\n\ |
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145 year = 97\n\ |
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146 wday = 1\n\ |
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147 yday = 47\n\ |
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148 isdst = 0\n\ |
3301 | 149 zone = CST\n\ |
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150 @}\n\ |
3301 | 151 @end group\n\ |
152 @end example\n\ | |
5688 | 153 @seealso{strftime, strptime, localtime, mktime, time, now, date, clock, datenum, datestr, datevec, calendar, weekday}\n\ |
3301 | 154 @end deftypefn") |
2928 | 155 { |
3465 | 156 octave_value retval; |
2928 | 157 |
158 if (args.length () == 1) | |
159 { | |
160 double tmp = args(0).double_value (); | |
161 | |
162 if (! error_state) | |
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163 retval = octave_value (mk_tm_map (octave_gmtime (tmp))); |
2928 | 164 } |
165 else | |
5823 | 166 print_usage (); |
2928 | 167 |
168 return retval; | |
169 } | |
170 | |
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171 /* |
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172 %!test |
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173 %! ts = gmtime (time ()); |
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174 %! assert (isstruct (ts)); |
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175 %! assert (isfield (ts, "usec")); |
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176 %! assert (isfield (ts, "year")); |
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177 %! assert (isfield (ts, "mon")); |
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178 %! assert (isfield (ts, "mday")); |
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179 %! assert (isfield (ts, "sec")); |
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180 %! assert (isfield (ts, "min")); |
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181 %! assert (isfield (ts, "wday")); |
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182 %! assert (isfield (ts, "hour")); |
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183 %! assert (isfield (ts, "isdst")); |
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184 %! assert (isfield (ts, "yday")); |
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185 |
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186 %!error gmtime () |
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187 %!error gmtime (1, 2) |
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188 */ |
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189 |
2928 | 190 DEFUN_DLD (localtime, args, , |
3301 | 191 "-*- texinfo -*-\n\ |
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192 @deftypefn {Loadable Function} {@var{tm_struct} =} localtime (@var{t})\n\ |
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193 Given a value returned from @code{time}, or any non-negative integer,\n\ |
3301 | 194 return a time structure corresponding to the local time zone.\n\ |
2928 | 195 \n\ |
3301 | 196 @example\n\ |
197 @group\n\ | |
198 localtime (time ())\n\ | |
199 @result{} @{\n\ | |
200 usec = 0\n\ | |
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201 sec = 6\n\ |
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202 min = 15\n\ |
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203 hour = 1\n\ |
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204 mday = 17\n\ |
3301 | 205 mon = 1\n\ |
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206 year = 97\n\ |
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207 wday = 1\n\ |
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208 yday = 47\n\ |
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209 isdst = 0\n\ |
3301 | 210 zone = CST\n\ |
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211 @}\n\ |
3301 | 212 @end group\n\ |
213 @end example\n\ | |
5688 | 214 @seealso{strftime, strptime, gmtime, mktime, time, now, date, clock, datenum, datestr, datevec, calendar, weekday}\n\ |
3301 | 215 @end deftypefn") |
2928 | 216 { |
3465 | 217 octave_value retval; |
2928 | 218 |
219 if (args.length () == 1) | |
220 { | |
221 double tmp = args(0).double_value (); | |
222 | |
223 if (! error_state) | |
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224 retval = octave_value (mk_tm_map (octave_localtime (tmp))); |
2928 | 225 } |
226 else | |
5823 | 227 print_usage (); |
2928 | 228 |
229 return retval; | |
230 } | |
231 | |
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232 /* |
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233 %!test |
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234 %! ts = localtime (time ()); |
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235 %! assert (isstruct (ts)); |
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236 %! assert (isfield (ts, "usec")); |
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237 %! assert (isfield (ts, "year")); |
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238 %! assert (isfield (ts, "mon")); |
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239 %! assert (isfield (ts, "mday")); |
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240 %! assert (isfield (ts, "sec")); |
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241 %! assert (isfield (ts, "min")); |
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242 %! assert (isfield (ts, "wday")); |
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243 %! assert (isfield (ts, "hour")); |
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244 %! assert (isfield (ts, "isdst")); |
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245 %! assert (isfield (ts, "yday")); |
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246 |
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247 %!error localtime () |
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248 %!error localtime (1, 2) |
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249 */ |
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250 |
2928 | 251 DEFUN_DLD (mktime, args, , |
3301 | 252 "-*- texinfo -*-\n\ |
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253 @deftypefn {Loadable Function} {@var{seconds} =} mktime (@var{tm_struct})\n\ |
3301 | 254 Convert a time structure corresponding to the local time to the number\n\ |
10840 | 255 of seconds since the epoch. For example:\n\ |
3301 | 256 \n\ |
257 @example\n\ | |
258 @group\n\ | |
7097 | 259 mktime (localtime (time ()))\n\ |
3301 | 260 @result{} 856163706\n\ |
261 @end group\n\ | |
262 @end example\n\ | |
5688 | 263 @seealso{strftime, strptime, localtime, gmtime, time, now, date, clock, datenum, datestr, datevec, calendar, weekday}\n\ |
3301 | 264 @end deftypefn") |
2928 | 265 { |
3465 | 266 octave_value retval; |
2928 | 267 |
3254 | 268 if (args.length () == 1) |
2928 | 269 { |
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270 octave_scalar_map map = args(0).scalar_map_value (); |
2928 | 271 |
3254 | 272 if (! error_state) |
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273 { |
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274 octave_base_tm tm = extract_tm (map); |
3254 | 275 |
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276 if (! error_state) |
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277 retval = octave_time (tm); |
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278 else |
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279 error ("mktime: invalid TM_STRUCT argument"); |
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280 } |
3254 | 281 else |
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282 error ("mktime: TM_STRUCT argument must be a structure"); |
2928 | 283 } |
284 else | |
5823 | 285 print_usage (); |
2928 | 286 |
287 return retval; | |
288 } | |
289 | |
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290 /* |
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291 %!test |
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292 %! t = time (); |
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293 %! assert (fix (mktime (localtime (t))) == fix (t)); |
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294 |
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295 ## These tests fail on systems with mktime functions of limited |
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296 ## intelligence: |
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297 %!assert (datestr (datenum (1969, 1, 1), 0), "01-Jan-1969 00:00:00") |
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298 %!assert (datestr (datenum (1901, 1, 1), 0), "01-Jan-1901 00:00:00") |
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299 %!assert (datestr (datenum (1795, 1, 1), 0), "01-Jan-1795 00:00:00") |
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300 |
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301 %!error mktime () |
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302 %!error mktime (1, 2, 3) |
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303 */ |
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304 |
2928 | 305 DEFUN_DLD (strftime, args, , |
3295 | 306 "-*- texinfo -*-\n\ |
5675 | 307 @deftypefn {Loadable Function} {} strftime (@var{fmt}, @var{tm_struct})\n\ |
308 Format the time structure @var{tm_struct} in a flexible way using the\n\ | |
309 format string @var{fmt} that contains @samp{%} substitutions\n\ | |
3295 | 310 similar to those in @code{printf}. Except where noted, substituted\n\ |
311 fields have a fixed size; numeric fields are padded if necessary.\n\ | |
312 Padding is with zeros by default; for fields that display a single\n\ | |
313 number, padding can be changed or inhibited by following the @samp{%}\n\ | |
314 with one of the modifiers described below. Unknown field specifiers are\n\ | |
315 copied as normal characters. All other characters are copied to the\n\ | |
10840 | 316 output without change. For example:\n\ |
2928 | 317 \n\ |
3295 | 318 @example\n\ |
319 @group\n\ | |
5020 | 320 strftime (\"%r (%Z) %A %e %B %Y\", localtime (time ()))\n\ |
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321 @result{} \"01:15:06 AM (CST) Monday 17 February 1997\"\n\ |
3295 | 322 @end group\n\ |
323 @end example\n\ | |
2928 | 324 \n\ |
3295 | 325 Octave's @code{strftime} function supports a superset of the ANSI C\n\ |
326 field specifiers.\n\ | |
2928 | 327 \n\ |
3295 | 328 @noindent\n\ |
2928 | 329 Literal character fields:\n\ |
330 \n\ | |
3295 | 331 @table @code\n\ |
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332 @item %%\n\ |
3295 | 333 % character.\n\ |
2928 | 334 \n\ |
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335 @item %n\n\ |
3295 | 336 Newline character.\n\ |
337 \n\ | |
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338 @item %t\n\ |
3295 | 339 Tab character.\n\ |
340 @end table\n\ | |
341 \n\ | |
342 @noindent\n\ | |
2928 | 343 Numeric modifiers (a nonstandard extension):\n\ |
344 \n\ | |
3295 | 345 @table @code\n\ |
346 @item - (dash)\n\ | |
347 Do not pad the field.\n\ | |
2928 | 348 \n\ |
3295 | 349 @item _ (underscore)\n\ |
350 Pad the field with spaces.\n\ | |
351 @end table\n\ | |
352 \n\ | |
353 @noindent\n\ | |
2928 | 354 Time fields:\n\ |
355 \n\ | |
3295 | 356 @table @code\n\ |
357 @item %H\n\ | |
358 Hour (00-23).\n\ | |
359 \n\ | |
360 @item %I\n\ | |
361 Hour (01-12).\n\ | |
362 \n\ | |
363 @item %k\n\ | |
364 Hour (0-23).\n\ | |
365 \n\ | |
366 @item %l\n\ | |
367 Hour (1-12).\n\ | |
368 \n\ | |
369 @item %M\n\ | |
370 Minute (00-59).\n\ | |
371 \n\ | |
372 @item %p\n\ | |
373 Locale's AM or PM.\n\ | |
2928 | 374 \n\ |
3295 | 375 @item %r\n\ |
376 Time, 12-hour (hh:mm:ss [AP]M).\n\ | |
377 \n\ | |
378 @item %R\n\ | |
379 Time, 24-hour (hh:mm).\n\ | |
380 \n\ | |
381 @item %s\n\ | |
382 Time in seconds since 00:00:00, Jan 1, 1970 (a nonstandard extension).\n\ | |
383 \n\ | |
384 @item %S\n\ | |
385 Second (00-61).\n\ | |
386 \n\ | |
387 @item %T\n\ | |
388 Time, 24-hour (hh:mm:ss).\n\ | |
389 \n\ | |
390 @item %X\n\ | |
391 Locale's time representation (%H:%M:%S).\n\ | |
392 \n\ | |
393 @item %Z\n\ | |
394 Time zone (EDT), or nothing if no time zone is determinable.\n\ | |
395 @end table\n\ | |
396 \n\ | |
397 @noindent\n\ | |
2928 | 398 Date fields:\n\ |
399 \n\ | |
3295 | 400 @table @code\n\ |
401 @item %a\n\ | |
402 Locale's abbreviated weekday name (Sun-Sat).\n\ | |
403 \n\ | |
404 @item %A\n\ | |
405 Locale's full weekday name, variable length (Sunday-Saturday).\n\ | |
406 \n\ | |
407 @item %b\n\ | |
408 Locale's abbreviated month name (Jan-Dec).\n\ | |
409 \n\ | |
410 @item %B\n\ | |
411 Locale's full month name, variable length (January-December).\n\ | |
412 \n\ | |
413 @item %c\n\ | |
414 Locale's date and time (Sat Nov 04 12:02:33 EST 1989).\n\ | |
415 \n\ | |
416 @item %C\n\ | |
417 Century (00-99).\n\ | |
418 \n\ | |
419 @item %d\n\ | |
420 Day of month (01-31).\n\ | |
421 \n\ | |
422 @item %e\n\ | |
423 Day of month ( 1-31).\n\ | |
424 \n\ | |
425 @item %D\n\ | |
426 Date (mm/dd/yy).\n\ | |
427 \n\ | |
428 @item %h\n\ | |
429 Same as %b.\n\ | |
430 \n\ | |
431 @item %j\n\ | |
432 Day of year (001-366).\n\ | |
433 \n\ | |
434 @item %m\n\ | |
435 Month (01-12).\n\ | |
436 \n\ | |
437 @item %U\n\ | |
438 Week number of year with Sunday as first day of week (00-53).\n\ | |
439 \n\ | |
440 @item %w\n\ | |
441 Day of week (0-6).\n\ | |
442 \n\ | |
443 @item %W\n\ | |
444 Week number of year with Monday as first day of week (00-53).\n\ | |
445 \n\ | |
446 @item %x\n\ | |
447 Locale's date representation (mm/dd/yy).\n\ | |
448 \n\ | |
449 @item %y\n\ | |
450 Last two digits of year (00-99).\n\ | |
451 \n\ | |
452 @item %Y\n\ | |
453 Year (1970-).\n\ | |
454 @end table\n\ | |
5688 | 455 @seealso{strptime, localtime, gmtime, mktime, time, now, date, clock, datenum, datestr, datevec, calendar, weekday}\n\ |
5646 | 456 @end deftypefn") |
2928 | 457 { |
3465 | 458 octave_value retval; |
2928 | 459 |
3254 | 460 if (args.length () == 2) |
2928 | 461 { |
3523 | 462 std::string fmt = args(0).string_value (); |
2928 | 463 |
464 if (! error_state) | |
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465 { |
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466 octave_scalar_map map = args(1).scalar_map_value (); |
2928 | 467 |
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468 if (! error_state) |
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469 { |
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470 octave_base_tm tm = extract_tm (map); |
3233 | 471 |
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472 if (! error_state) |
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473 retval = tm.strftime (fmt); |
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474 else |
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475 error ("strftime: invalid TM_STRUCT argument"); |
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476 } |
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477 else |
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478 error ("strftime: TM_STRUCT must be a structure"); |
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479 } |
3254 | 480 else |
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481 error ("strftime: FMT must be a string"); |
2928 | 482 } |
483 else | |
5823 | 484 print_usage (); |
2928 | 485 |
486 return retval; | |
487 } | |
488 | |
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489 /* |
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490 %!assert (ischar (strftime ("%%%n%t%H%I%k%l", localtime (time ())))); |
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491 %!assert (ischar (strftime ("%M%p%r%R%s%S%T", localtime (time ())))); |
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492 %!assert (ischar (strftime ("%X%Z%z%a%A%b%B", localtime (time ())))); |
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493 %!assert (ischar (strftime ("%c%C%d%e%D%h%j", localtime (time ())))); |
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494 %!assert (ischar (strftime ("%m%U%w%W%x%y%Y", localtime (time ())))); |
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495 |
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496 %!error strftime () |
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497 %!error strftime ("foo", localtime (time ()), 1) |
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498 */ |
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499 |
3465 | 500 DEFUN_DLD (strptime, args, , |
501 "-*- texinfo -*-\n\ | |
4367 | 502 @deftypefn {Loadable Function} {[@var{tm_struct}, @var{nchars}] =} strptime (@var{str}, @var{fmt})\n\ |
5675 | 503 Convert the string @var{str} to the time structure @var{tm_struct} under\n\ |
504 the control of the format string @var{fmt}.\n\ | |
505 \n\ | |
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506 If @var{fmt} fails to match, @var{nchars} is 0; otherwise, it is set to the\n\ |
5675 | 507 position of last matched character plus 1. Always check for this unless\n\ |
508 you're absolutely sure the date string will be parsed correctly.\n\ | |
5688 | 509 @seealso{strftime, localtime, gmtime, mktime, time, now, date, clock, datenum, datestr, datevec, calendar, weekday}\n\ |
3465 | 510 @end deftypefn") |
511 { | |
512 octave_value_list retval; | |
513 | |
514 if (args.length () == 2) | |
515 { | |
3523 | 516 std::string str = args(0).string_value (); |
3465 | 517 |
518 if (! error_state) | |
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519 { |
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520 std::string fmt = args(1).string_value (); |
3465 | 521 |
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522 if (! error_state) |
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523 { |
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524 octave_strptime t (str, fmt); |
3465 | 525 |
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526 retval(1) = t.characters_converted (); |
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527 retval(0) = octave_value (mk_tm_map (t)); |
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528 } |
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529 else |
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530 error ("strptime: FMT must be a string"); |
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531 } |
3465 | 532 else |
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533 error ("strptime: argument STR must be a string"); |
3465 | 534 } |
535 else | |
5823 | 536 print_usage (); |
3465 | 537 |
538 return retval; | |
539 } |