1df3802387
trailing space is enough. MFC after: 1 week
991 lines
25 KiB
C
991 lines
25 KiB
C
/*-
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* Copyright (c) 1997 Wolfgang Helbig
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static const char rcsid[] =
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"$FreeBSD$";
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#endif /* not lint */
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#include <calendar.h>
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#include <ctype.h>
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#include <err.h>
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#include <langinfo.h>
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#include <locale.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sysexits.h>
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#include <time.h>
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#include <unistd.h>
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#include <wchar.h>
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#include <wctype.h>
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#include <term.h>
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#undef lines /* term.h defines this */
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/* Width of one month with backward compatibility */
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#define MONTH_WIDTH_B_J 27
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#define MONTH_WIDTH_B 20
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#define MONTH_WIDTH_J 24
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#define MONTH_WIDTH 18
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#define MAX_WIDTH 64
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typedef struct date date;
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struct monthlines {
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wchar_t name[MAX_WIDTH + 1];
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char lines[7][MAX_WIDTH + 1];
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char weeks[MAX_WIDTH + 1];
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};
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struct weekdays {
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wchar_t names[7][4];
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};
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/* The switches from Julian to Gregorian in some countries */
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static struct djswitch {
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const char *cc; /* Country code according to ISO 3166 */
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const char *nm; /* Name of country */
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date dt; /* Last day of Julian calendar */
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} switches[] = {
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{"AL", "Albania", {1912, 11, 30}},
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{"AT", "Austria", {1583, 10, 5}},
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{"AU", "Australia", {1752, 9, 2}},
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{"BE", "Belgium", {1582, 12, 14}},
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{"BG", "Bulgaria", {1916, 3, 18}},
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{"CA", "Canada", {1752, 9, 2}},
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{"CH", "Switzerland", {1655, 2, 28}},
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{"CN", "China", {1911, 12, 18}},
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{"CZ", "Czech Republic",{1584, 1, 6}},
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{"DE", "Germany", {1700, 2, 18}},
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{"DK", "Denmark", {1700, 2, 18}},
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{"ES", "Spain", {1582, 10, 4}},
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{"FI", "Finland", {1753, 2, 17}},
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{"FR", "France", {1582, 12, 9}},
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{"GB", "United Kingdom",{1752, 9, 2}},
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{"GR", "Greece", {1924, 3, 9}},
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{"HU", "Hungary", {1587, 10, 21}},
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{"IS", "Iceland", {1700, 11, 16}},
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{"IT", "Italy", {1582, 10, 4}},
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{"JP", "Japan", {1918, 12, 18}},
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{"LI", "Lithuania", {1918, 2, 1}},
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{"LN", "Latin", {9999, 05, 31}},
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{"LU", "Luxembourg", {1582, 12, 14}},
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{"LV", "Latvia", {1918, 2, 1}},
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{"NL", "Netherlands", {1582, 12, 14}},
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{"NO", "Norway", {1700, 2, 18}},
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{"PL", "Poland", {1582, 10, 4}},
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{"PT", "Portugal", {1582, 10, 4}},
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{"RO", "Romania", {1919, 3, 31}},
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{"RU", "Russia", {1918, 1, 31}},
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{"SI", "Slovenia", {1919, 3, 4}},
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{"SW", "Sweden", {1753, 2, 17}},
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{"TR", "Turkey", {1926, 12, 18}},
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{"US", "United States", {1752, 9, 2}},
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{"YU", "Yugoslavia", {1919, 3, 4}}
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};
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struct djswitch *dftswitch =
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switches + sizeof(switches) / sizeof(struct djswitch) - 2;
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/* default switch (should be "US") */
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/* Table used to print day of month and week numbers */
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char daystr[] = " 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15"
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" 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31"
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" 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47"
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" 48 49 50 51 52 53";
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/* Table used to print day of year and week numbers */
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char jdaystr[] = " 1 2 3 4 5 6 7 8 9"
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" 10 11 12 13 14 15 16 17 18 19"
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" 20 21 22 23 24 25 26 27 28 29"
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" 30 31 32 33 34 35 36 37 38 39"
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" 40 41 42 43 44 45 46 47 48 49"
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" 50 51 52 53 54 55 56 57 58 59"
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" 60 61 62 63 64 65 66 67 68 69"
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" 70 71 72 73 74 75 76 77 78 79"
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" 80 81 82 83 84 85 86 87 88 89"
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" 90 91 92 93 94 95 96 97 98 99"
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" 100 101 102 103 104 105 106 107 108 109"
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" 110 111 112 113 114 115 116 117 118 119"
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" 120 121 122 123 124 125 126 127 128 129"
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" 130 131 132 133 134 135 136 137 138 139"
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" 140 141 142 143 144 145 146 147 148 149"
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" 150 151 152 153 154 155 156 157 158 159"
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" 160 161 162 163 164 165 166 167 168 169"
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" 170 171 172 173 174 175 176 177 178 179"
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" 180 181 182 183 184 185 186 187 188 189"
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" 190 191 192 193 194 195 196 197 198 199"
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" 200 201 202 203 204 205 206 207 208 209"
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" 210 211 212 213 214 215 216 217 218 219"
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" 220 221 222 223 224 225 226 227 228 229"
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" 230 231 232 233 234 235 236 237 238 239"
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" 240 241 242 243 244 245 246 247 248 249"
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" 250 251 252 253 254 255 256 257 258 259"
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" 260 261 262 263 264 265 266 267 268 269"
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" 270 271 272 273 274 275 276 277 278 279"
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" 280 281 282 283 284 285 286 287 288 289"
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" 290 291 292 293 294 295 296 297 298 299"
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" 300 301 302 303 304 305 306 307 308 309"
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" 310 311 312 313 314 315 316 317 318 319"
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" 320 321 322 323 324 325 326 327 328 329"
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" 330 331 332 333 334 335 336 337 338 339"
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" 340 341 342 343 344 345 346 347 348 349"
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" 350 351 352 353 354 355 356 357 358 359"
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" 360 361 362 363 364 365 366";
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int flag_weeks; /* user wants number of week */
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int nswitch; /* user defined switch date */
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int nswitchb; /* switch date for backward compatibility */
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const char *term_so, *term_se;
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int today;
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char *center(char *s, char *t, int w);
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wchar_t *wcenter(wchar_t *s, wchar_t *t, int w);
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void mkmonth(int year, int month, int jd_flag, struct monthlines * monthl);
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void mkmonthb(int year, int month, int jd_flag, struct monthlines * monthl);
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void mkweekdays(struct weekdays * wds);
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int parsemonth(const char *s, int *m, int *y);
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void printcc(void);
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void printeaster(int year, int julian, int orthodox);
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void printmonth(int year, int month, int jd_flag);
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void printmonthb(int year, int month, int jd_flag);
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void printyear(int year, int jd_flag);
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void printyearb(int year, int jd_flag);
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int firstday(int y, int m);
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date *sdate(int ndays, struct date * d);
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date *sdateb(int ndays, struct date * d);
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int sndays(struct date * d);
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int sndaysb(struct date * d);
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static void usage(void);
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int weekdayb(int nd);
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int
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main(int argc, char *argv[])
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{
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struct djswitch *p, *q; /* to search user defined switch date */
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date never = {10000, 1, 1}; /* outside valid range of dates */
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date ukswitch = {1752, 9, 2};/* switch date for Great Britain */
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int ch; /* holds the option character */
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int m = 0; /* month */
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int y = 0; /* year */
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int flag_backward = 0; /* user called cal--backward compat. */
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int flag_hole_year = 0; /* user wants the whole year */
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int flag_julian_cal = 0; /* user wants Julian Calendar */
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int flag_julian_day = 0; /* user wants the Julian day
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* numbers */
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int flag_orthodox = 0; /* use wants Orthodox easter */
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int flag_easter = 0; /* use wants easter date */
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char *cp; /* character pointer */
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char *flag_month = NULL; /* requested month as string */
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const char *locale; /* locale to get country code */
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char tbuf[1024], cbuf[512], *b;
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time_t t;
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struct tm *tm1;
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term_se = term_so = NULL;
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today = 0;
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if (isatty(STDOUT_FILENO) && tgetent(tbuf, NULL) == 1) {
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date dt; /* handy date */
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b = cbuf;
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term_so = tgetstr("so", &b);
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term_se = tgetstr("se", &b);
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t = time(NULL);
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tm1 = localtime(&t);
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dt.y = tm1->tm_year + 1900;
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dt.m = tm1->tm_mon + 1;
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dt.d = tm1->tm_mday;
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today = sndaysb(&dt);
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}
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/*
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* Use locale to determine the country code,
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* and use the country code to determine the default
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* switchdate and date format from the switches table.
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*/
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if (setlocale(LC_ALL, "") == NULL)
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warn("setlocale");
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locale = setlocale(LC_TIME, NULL);
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if (locale == NULL ||
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strcmp(locale, "C") == 0 ||
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strcmp(locale, "POSIX") == 0 ||
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strcmp(locale, "ASCII") == 0 ||
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strcmp(locale, "US-ASCII") == 0)
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locale = "_US";
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q = switches + sizeof(switches) / sizeof(struct djswitch);
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for (p = switches; p != q; p++)
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if ((cp = strstr(locale, p->cc)) != NULL && *(cp - 1) == '_')
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break;
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if (p == q) {
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nswitch = ndaysj(&dftswitch->dt);
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} else {
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nswitch = ndaysj(&p->dt);
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dftswitch = p;
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}
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/*
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* Get the filename portion of argv[0] and set flag_backward if
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* this program is called "cal".
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*/
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cp = strrchr(argv[0], '/');
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cp = (cp == NULL) ? argv[0] : cp + 1;
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if (strcmp("cal", cp) == 0)
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flag_backward = 1;
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/* Set the switch date to United Kingdom if backwards compatible */
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if (flag_backward)
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nswitchb = ndaysj(&ukswitch);
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while ((ch = getopt(argc, argv, "Jehjm:ops:wy")) != -1)
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switch (ch) {
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case 'J':
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if (flag_backward)
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usage();
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nswitch = ndaysj(&never);
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flag_julian_cal = 1;
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break;
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case 'h':
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term_so = term_se = NULL;
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break;
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case 'e':
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if (flag_backward)
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usage();
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flag_easter = 1;
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break;
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case 'j':
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flag_julian_day = 1;
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break;
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case 'm':
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flag_month = optarg;
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break;
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case 'o':
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if (flag_backward)
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usage();
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flag_orthodox = 1;
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flag_easter = 1;
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break;
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case 'p':
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if (flag_backward)
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usage();
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printcc();
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return (0);
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break;
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case 's':
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if (flag_backward)
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usage();
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q = switches +
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sizeof(switches) / sizeof(struct djswitch);
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for (p = switches;
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p != q && strcmp(p->cc, optarg) != 0; p++)
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;
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if (p == q)
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errx(EX_USAGE,
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"%s: invalid country code", optarg);
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nswitch = ndaysj(&(p->dt));
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break;
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case 'w':
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if (flag_backward)
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usage();
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flag_weeks = 1;
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break;
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case 'y':
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flag_hole_year = 1;
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break;
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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switch (argc) {
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case 2:
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if (flag_easter)
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usage();
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flag_month = *argv++;
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/* FALLTHROUGH */
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case 1:
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y = atoi(*argv++);
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if (y < 1 || y > 9999)
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errx(EX_USAGE, "year %d not in range 1..9999", y);
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break;
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case 0:
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{
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time_t t;
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struct tm *tm;
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t = time(NULL);
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tm = localtime(&t);
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y = tm->tm_year + 1900;
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m = tm->tm_mon + 1;
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}
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break;
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default:
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usage();
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}
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if (flag_month != NULL) {
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if (parsemonth(flag_month, &m, &y)) {
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errx(EX_USAGE,
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"%s is neither a month number (1..12) nor a name",
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flag_month);
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}
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}
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if (flag_easter)
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printeaster(y, flag_julian_cal, flag_orthodox);
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else if (argc == 1 || flag_hole_year) {
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/* disable the highlight for now */
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today = 0;
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if (flag_backward)
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printyearb(y, flag_julian_day);
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else
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printyear(y, flag_julian_day);
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} else
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if (flag_backward)
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printmonthb(y, m, flag_julian_day);
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else
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printmonth(y, m, flag_julian_day);
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return (0);
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}
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static void
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usage(void)
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{
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fputs(
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"usage: cal [-hjy] [[month] year]\n"
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" cal [-hj] [-m month] [year]\n"
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" ncal [-hJjpwy] [-s country_code] [[month] year]\n"
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" ncal [-hJeo] [year]\n", stderr);
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exit(EX_USAGE);
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}
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/* print the assumed switches for all countries */
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void
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printcc(void)
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{
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struct djswitch *p;
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int n; /* number of lines to print */
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int m; /* offset from left to right table entry on the same line */
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#define FSTR "%c%s %-15s%4d-%02d-%02d"
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#define DFLT(p) ((p) == dftswitch ? '*' : ' ')
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#define FSTRARG(p) DFLT(p), (p)->cc, (p)->nm, (p)->dt.y, (p)->dt.m, (p)->dt.d
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n = sizeof(switches) / sizeof(struct djswitch);
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m = (n + 1) / 2;
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n /= 2;
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for (p = switches; p != switches + n; p++)
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printf(FSTR" "FSTR"\n", FSTRARG(p), FSTRARG(p+m));
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if (m != n)
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printf(FSTR"\n", FSTRARG(p));
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}
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/* print the date of easter sunday */
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void
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printeaster(int y, int julian, int orthodox)
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{
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date dt;
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struct tm tm;
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char buf[80];
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static int d_first = -1;
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if (d_first < 0)
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d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
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/* force orthodox easter for years before 1583 */
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if (y < 1583)
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orthodox = 1;
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if (orthodox)
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if (julian)
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easteroj(y, &dt);
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else
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easterog(y, &dt);
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else
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easterg(y, &dt);
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memset(&tm, 0, sizeof(tm));
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tm.tm_year = dt.y - 1900;
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tm.tm_mon = dt.m - 1;
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tm.tm_mday = dt.d;
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strftime(buf, sizeof(buf), d_first ? "%e %B %Y" : "%B %e %Y", &tm);
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printf("%s\n", buf);
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}
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void
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printmonth(int y, int m, int jd_flag)
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{
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struct monthlines month;
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struct weekdays wds;
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int i, len;
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mkmonth(y, m - 1, jd_flag, &month);
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mkweekdays(&wds);
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printf(" %ls %d\n", month.name, y);
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for (i = 0; i != 7; i++) {
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len = wcslen(wds.names[i]);
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if (wcswidth(wds.names[i], len) == len)
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wprintf(L"%.2ls%s\n", wds.names[i], month.lines[i]);
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else
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wprintf(L"%.1ls%s\n", wds.names[i], month.lines[i]);
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}
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if (flag_weeks)
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printf(" %s\n", month.weeks);
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}
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void
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printmonthb(int y, int m, int jd_flag)
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{
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struct monthlines month;
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struct weekdays wds;
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wchar_t s[MAX_WIDTH], t[MAX_WIDTH];
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int i;
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int mw;
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mkmonthb(y, m - 1, jd_flag, &month);
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mkweekdays(&wds);
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mw = jd_flag ? MONTH_WIDTH_B_J : MONTH_WIDTH_B;
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swprintf(s, MAX_WIDTH, L"%ls %d", month.name, y);
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wprintf(L"%ls\n", wcenter(t, s, mw));
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if (jd_flag)
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wprintf(L" %ls %ls %ls %ls %ls %ls %.2ls\n",
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wds.names[6], wds.names[0],
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wds.names[1], wds.names[2], wds.names[3],
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wds.names[4], wds.names[5]);
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else
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wprintf(L"%ls%ls%ls%ls%ls%ls%.2ls\n", wds.names[6],
|
|
wds.names[0], wds.names[1], wds.names[2], wds.names[3],
|
|
wds.names[4], wds.names[5]);
|
|
|
|
for (i = 0; i != 6; i++)
|
|
printf("%s\n", month.lines[i]+1);
|
|
}
|
|
|
|
void
|
|
printyear(int y, int jd_flag)
|
|
{
|
|
struct monthlines year[12];
|
|
struct weekdays wds;
|
|
char s[80], t[80];
|
|
int i, j;
|
|
int mpl;
|
|
int mw;
|
|
|
|
for (i = 0; i != 12; i++)
|
|
mkmonth(y, i, jd_flag, year + i);
|
|
mkweekdays(&wds);
|
|
mpl = jd_flag ? 3 : 4;
|
|
mw = jd_flag ? MONTH_WIDTH_J : MONTH_WIDTH;
|
|
|
|
sprintf(s, "%d", y);
|
|
printf("%s\n", center(t, s, mpl * mw));
|
|
|
|
for (j = 0; j != 12; j += mpl) {
|
|
wprintf(L" %-*ls%-*ls",
|
|
mw, year[j].name,
|
|
mw, year[j + 1].name);
|
|
if (mpl == 3)
|
|
printf("%ls\n", year[j + 2].name);
|
|
else
|
|
wprintf(L"%-*ls%ls\n",
|
|
mw, year[j + 2].name,
|
|
year[j + 3].name);
|
|
for (i = 0; i != 7; i++) {
|
|
wprintf(L"%.2ls%-*s%-*s",
|
|
wds.names[i],
|
|
mw, year[j].lines[i],
|
|
mw, year[j + 1].lines[i]);
|
|
if (mpl == 3)
|
|
printf("%s\n", year[j + 2].lines[i]);
|
|
else
|
|
printf("%-*s%s\n",
|
|
mw, year[j + 2].lines[i],
|
|
year[j + 3].lines[i]);
|
|
}
|
|
if (flag_weeks) {
|
|
if (mpl == 3)
|
|
printf(" %-*s%-*s%-s\n",
|
|
mw, year[j].weeks,
|
|
mw, year[j + 1].weeks,
|
|
year[j + 2].weeks);
|
|
else
|
|
printf(" %-*s%-*s%-*s%-s\n",
|
|
mw, year[j].weeks,
|
|
mw, year[j + 1].weeks,
|
|
mw, year[j + 2].weeks,
|
|
year[j + 3].weeks);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
printyearb(int y, int jd_flag)
|
|
{
|
|
struct monthlines year[12];
|
|
struct weekdays wds;
|
|
char s[80], t[80];
|
|
wchar_t ws[80], wt[80];
|
|
int i, j;
|
|
int mpl;
|
|
int mw;
|
|
|
|
for (i = 0; i != 12; i++)
|
|
mkmonthb(y, i, jd_flag, year + i);
|
|
mkweekdays(&wds);
|
|
mpl = jd_flag ? 2 : 3;
|
|
mw = jd_flag ? MONTH_WIDTH_B_J : MONTH_WIDTH_B;
|
|
|
|
sprintf(s, "%d", y);
|
|
printf("%s\n\n", center(t, s, mw * mpl + mpl));
|
|
|
|
for (j = 0; j != 12; j += mpl) {
|
|
wprintf(L"%-*ls ", mw, wcenter(ws, year[j].name, mw));
|
|
if (mpl == 2)
|
|
printf("%ls\n", wcenter(ws, year[j + 1].name, mw));
|
|
else
|
|
wprintf(L"%-*ls %ls\n", mw,
|
|
wcenter(ws, year[j + 1].name, mw),
|
|
wcenter(wt, year[j + 2].name, mw));
|
|
|
|
if (mpl == 2)
|
|
wprintf(L" %ls %ls %ls %ls %ls %ls %ls "
|
|
" %ls %ls %ls %ls %ls %ls %.2ls\n",
|
|
wds.names[6], wds.names[0], wds.names[1],
|
|
wds.names[2], wds.names[3], wds.names[4],
|
|
wds.names[5],
|
|
wds.names[6], wds.names[0], wds.names[1],
|
|
wds.names[2], wds.names[3], wds.names[4],
|
|
wds.names[5]);
|
|
else
|
|
wprintf(L"%ls%ls%ls%ls%ls%ls%ls "
|
|
"%ls%ls%ls%ls%ls%ls%ls "
|
|
"%ls%ls%ls%ls%ls%ls%.2ls\n",
|
|
wds.names[6], wds.names[0], wds.names[1],
|
|
wds.names[2], wds.names[3], wds.names[4],
|
|
wds.names[5],
|
|
wds.names[6], wds.names[0], wds.names[1],
|
|
wds.names[2], wds.names[3], wds.names[4],
|
|
wds.names[5],
|
|
wds.names[6], wds.names[0], wds.names[1],
|
|
wds.names[2], wds.names[3], wds.names[4],
|
|
wds.names[5]);
|
|
for (i = 0; i != 6; i++) {
|
|
if (mpl == 2)
|
|
printf("%-*s %s\n",
|
|
mw, year[j].lines[i]+1,
|
|
year[j + 1].lines[i]+1);
|
|
else
|
|
printf("%-*s %-*s %s\n",
|
|
mw, year[j].lines[i]+1,
|
|
mw, year[j + 1].lines[i]+1,
|
|
year[j + 2].lines[i]+1);
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
mkmonth(int y, int m, int jd_flag, struct monthlines *mlines)
|
|
{
|
|
|
|
struct tm tm; /* for strftime printing local names of
|
|
* months */
|
|
date dt; /* handy date */
|
|
int dw; /* width of numbers */
|
|
int first; /* first day of month */
|
|
int firstm; /* first day of first week of month */
|
|
int i, j, k, l; /* just indices */
|
|
int last; /* the first day of next month */
|
|
int jan1 = 0; /* the first day of this year */
|
|
char *ds; /* pointer to day strings (daystr or
|
|
* jdaystr) */
|
|
|
|
/* Set name of month. */
|
|
memset(&tm, 0, sizeof(tm));
|
|
tm.tm_mon = m;
|
|
wcsftime(mlines->name, sizeof(mlines->name) / sizeof(mlines->name[0]),
|
|
L"%OB", &tm);
|
|
mlines->name[0] = towupper(mlines->name[0]);
|
|
|
|
/*
|
|
* Set first and last to the day number of the first day of this
|
|
* month and the first day of next month respectively. Set jan1 to
|
|
* the day number of the first day of this year.
|
|
*/
|
|
first = firstday(y, m + 1);
|
|
if (m == 11)
|
|
last = firstday(y + 1, 1);
|
|
else
|
|
last = firstday(y, m + 2);
|
|
|
|
if (jd_flag)
|
|
jan1 = firstday(y, 1);
|
|
|
|
/*
|
|
* Set firstm to the day number of monday of the first week of
|
|
* this month. (This might be in the last month)
|
|
*/
|
|
firstm = first - weekday(first);
|
|
|
|
/* Set ds (daystring) and dw (daywidth) according to the jd_flag */
|
|
if (jd_flag) {
|
|
ds = jdaystr;
|
|
dw = 4;
|
|
} else {
|
|
ds = daystr;
|
|
dw = 3;
|
|
}
|
|
|
|
/*
|
|
* Fill the lines with day of month or day of year (julian day)
|
|
* line index: i, each line is one weekday. column index: j, each
|
|
* column is one day number. print column index: k.
|
|
*/
|
|
for (i = 0; i != 7; i++) {
|
|
l = 0;
|
|
for (j = firstm + i, k = 0; j < last; j += 7, k += dw) {
|
|
if (j == today && (term_so != NULL && term_se != NULL)) {
|
|
l = strlen(term_so);
|
|
if (jd_flag)
|
|
dt.d = j - jan1 + 1;
|
|
else
|
|
sdateb(j, &dt);
|
|
/* separator */
|
|
mlines->lines[i][k] = ' ';
|
|
/* the actual text */
|
|
memcpy(mlines->lines[i] + k + l,
|
|
ds + dt.d * dw, dw);
|
|
/* highlight on */
|
|
memcpy(mlines->lines[i] + k + 1, term_so, l);
|
|
/* highlight off */
|
|
memcpy(mlines->lines[i] + k + l + dw, term_se,
|
|
strlen(term_se));
|
|
l = strlen(term_se) + strlen(term_so);
|
|
continue;
|
|
}
|
|
if (j >= first) {
|
|
if (jd_flag)
|
|
dt.d = j - jan1 + 1;
|
|
else
|
|
sdate(j, &dt);
|
|
memcpy(mlines->lines[i] + k + l,
|
|
ds + dt.d * dw, dw);
|
|
} else
|
|
memcpy(mlines->lines[i] + k + l, " ", dw);
|
|
}
|
|
mlines->lines[i][k + l] = '\0';
|
|
|
|
}
|
|
|
|
/* fill the weeknumbers */
|
|
if (flag_weeks) {
|
|
for (j = firstm, k = 0; j < last; k += dw, j += 7)
|
|
if (j <= nswitch)
|
|
memset(mlines->weeks + k, ' ', dw);
|
|
else
|
|
memcpy(mlines->weeks + k,
|
|
ds + week(j, &i)*dw, dw);
|
|
mlines->weeks[k] = '\0';
|
|
}
|
|
}
|
|
|
|
void
|
|
mkmonthb(int y, int m, int jd_flag, struct monthlines *mlines)
|
|
{
|
|
|
|
struct tm tm; /* for strftime printing local names of
|
|
* months */
|
|
date dt; /* handy date */
|
|
int dw; /* width of numbers */
|
|
int first; /* first day of month */
|
|
int firsts; /* sunday of first week of month */
|
|
int i, j, k, l; /* just indices */
|
|
int jan1 = 0; /* the first day of this year */
|
|
int last; /* the first day of next month */
|
|
char *ds; /* pointer to day strings (daystr or
|
|
* jdaystr) */
|
|
|
|
/* Set ds (daystring) and dw (daywidth) according to the jd_flag */
|
|
if (jd_flag) {
|
|
ds = jdaystr;
|
|
dw = 4;
|
|
} else {
|
|
ds = daystr;
|
|
dw = 3;
|
|
}
|
|
|
|
/* Set name of month centered */
|
|
memset(&tm, 0, sizeof(tm));
|
|
tm.tm_mon = m;
|
|
wcsftime(mlines->name, sizeof(mlines->name) / sizeof(mlines->name[0]),
|
|
L"%OB", &tm);
|
|
mlines->name[0] = towupper(mlines->name[0]);
|
|
|
|
/*
|
|
* Set first and last to the day number of the first day of this
|
|
* month and the first day of next month respectively. Set jan1 to
|
|
* the day number of Jan 1st of this year.
|
|
*/
|
|
dt.y = y;
|
|
dt.m = m + 1;
|
|
dt.d = 1;
|
|
first = sndaysb(&dt);
|
|
if (m == 11) {
|
|
dt.y = y + 1;
|
|
dt.m = 1;
|
|
dt.d = 1;
|
|
} else {
|
|
dt.y = y;
|
|
dt.m = m + 2;
|
|
dt.d = 1;
|
|
}
|
|
last = sndaysb(&dt);
|
|
|
|
if (jd_flag) {
|
|
dt.y = y;
|
|
dt.m = 1;
|
|
dt.d = 1;
|
|
jan1 = sndaysb(&dt);
|
|
}
|
|
|
|
/*
|
|
* Set firsts to the day number of sunday of the first week of
|
|
* this month. (This might be in the last month)
|
|
*/
|
|
firsts = first - (weekday(first)+1) % 7;
|
|
|
|
/*
|
|
* Fill the lines with day of month or day of year (Julian day)
|
|
* line index: i, each line is one week. column index: j, each
|
|
* column is one day number. print column index: k.
|
|
*/
|
|
for (i = 0; i != 6; i++) {
|
|
l = 0;
|
|
for (j = firsts + 7 * i, k = 0; j < last && k != dw * 7;
|
|
j++, k += dw) {
|
|
if (j == today && (term_so != NULL && term_se != NULL)) {
|
|
l = strlen(term_so);
|
|
if (jd_flag)
|
|
dt.d = j - jan1 + 1;
|
|
else
|
|
sdateb(j, &dt);
|
|
/* separator */
|
|
mlines->lines[i][k] = ' ';
|
|
/* the actual text */
|
|
memcpy(mlines->lines[i] + k + l,
|
|
ds + dt.d * dw, dw);
|
|
/* highlight on */
|
|
memcpy(mlines->lines[i] + k + 1, term_so, l);
|
|
/* highlight off */
|
|
memcpy(mlines->lines[i] + k + l + dw, term_se,
|
|
strlen(term_se));
|
|
l = strlen(term_se) + strlen(term_so);
|
|
continue;
|
|
}
|
|
if (j >= first) {
|
|
if (jd_flag)
|
|
dt.d = j - jan1 + 1;
|
|
else
|
|
sdateb(j, &dt);
|
|
memcpy(mlines->lines[i] + k + l,
|
|
ds + dt.d * dw, dw);
|
|
} else
|
|
memcpy(mlines->lines[i] + k + l, " ", dw);
|
|
}
|
|
if (k == 0)
|
|
mlines->lines[i][1] = '\0';
|
|
else
|
|
mlines->lines[i][k + l] = '\0';
|
|
}
|
|
}
|
|
|
|
/* Put the local names of weekdays into the wds */
|
|
void
|
|
mkweekdays(struct weekdays *wds)
|
|
{
|
|
int i, len, width = 0;
|
|
struct tm tm;
|
|
wchar_t buf[20];
|
|
|
|
memset(&tm, 0, sizeof(tm));
|
|
|
|
for (i = 0; i != 7; i++) {
|
|
tm.tm_wday = (i+1) % 7;
|
|
wcsftime(buf, sizeof(buf), L"%a", &tm);
|
|
for (len = 2; len > 0; --len) {
|
|
if ((width = wcswidth(buf, len)) <= 2)
|
|
break;
|
|
}
|
|
wmemset(wds->names[i], L'\0', 4);
|
|
if (width == 1)
|
|
wds->names[i][0] = L' ';
|
|
wcsncat(wds->names[i], buf, len);
|
|
wcsncat(wds->names[i], L" ", 1);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Compute the day number of the first
|
|
* existing date after the first day in month.
|
|
* (the first day in month and even the month might not exist!)
|
|
*/
|
|
int
|
|
firstday(int y, int m)
|
|
{
|
|
date dt;
|
|
int nd;
|
|
|
|
dt.y = y;
|
|
dt.m = m;
|
|
dt.d = 1;
|
|
nd = sndays(&dt);
|
|
for (;;) {
|
|
sdate(nd, &dt);
|
|
if ((dt.m >= m && dt.y == y) || dt.y > y)
|
|
return (nd);
|
|
else
|
|
nd++;
|
|
}
|
|
/* NEVER REACHED */
|
|
}
|
|
|
|
/*
|
|
* Compute the number of days from date, obey the local switch from
|
|
* Julian to Gregorian if specified by the user.
|
|
*/
|
|
int
|
|
sndays(struct date *d)
|
|
{
|
|
|
|
if (nswitch != 0)
|
|
if (nswitch < ndaysj(d))
|
|
return (ndaysg(d));
|
|
else
|
|
return (ndaysj(d));
|
|
else
|
|
return ndaysg(d);
|
|
}
|
|
|
|
/*
|
|
* Compute the number of days from date, obey the switch from
|
|
* Julian to Gregorian as used by UK and her colonies.
|
|
*/
|
|
int
|
|
sndaysb(struct date *d)
|
|
{
|
|
|
|
if (nswitchb < ndaysj(d))
|
|
return (ndaysg(d));
|
|
else
|
|
return (ndaysj(d));
|
|
}
|
|
|
|
/* Inverse of sndays */
|
|
struct date *
|
|
sdate(int nd, struct date *d)
|
|
{
|
|
|
|
if (nswitch < nd)
|
|
return (gdate(nd, d));
|
|
else
|
|
return (jdate(nd, d));
|
|
}
|
|
|
|
/* Inverse of sndaysb */
|
|
struct date *
|
|
sdateb(int nd, struct date *d)
|
|
{
|
|
|
|
if (nswitchb < nd)
|
|
return (gdate(nd, d));
|
|
else
|
|
return (jdate(nd, d));
|
|
}
|
|
|
|
/* Center string t in string s of length w by putting enough leading blanks */
|
|
char *
|
|
center(char *s, char *t, int w)
|
|
{
|
|
char blanks[80];
|
|
|
|
memset(blanks, ' ', sizeof(blanks));
|
|
sprintf(s, "%.*s%s", (int)(w - strlen(t)) / 2, blanks, t);
|
|
return (s);
|
|
}
|
|
|
|
/* Center string t in string s of length w by putting enough leading blanks */
|
|
wchar_t *
|
|
wcenter(wchar_t *s, wchar_t *t, int w)
|
|
{
|
|
char blanks[80];
|
|
|
|
memset(blanks, ' ', sizeof(blanks));
|
|
swprintf(s, MAX_WIDTH, L"%.*s%ls", (int)(w - wcslen(t)) / 2, blanks, t);
|
|
return (s);
|
|
}
|
|
|
|
int
|
|
parsemonth(const char *s, int *m, int *y)
|
|
{
|
|
int nm, ny;
|
|
char *cp;
|
|
struct tm tm;
|
|
|
|
nm = (int)strtol(s, &cp, 10);
|
|
if (cp != s) {
|
|
ny = *y;
|
|
if (*cp == '\0') {
|
|
; /* no special action */
|
|
} else if (*cp == 'f' || *cp == 'F') {
|
|
if (nm <= *m)
|
|
ny++;
|
|
} else if (*cp == 'p' || *cp == 'P') {
|
|
if (nm >= *m)
|
|
ny--;
|
|
} else
|
|
return (1);
|
|
if (nm < 1 || nm > 12)
|
|
return 1;
|
|
*m = nm;
|
|
*y = ny;
|
|
return (0);
|
|
}
|
|
if (strptime(s, "%B", &tm) != NULL || strptime(s, "%b", &tm) != NULL) {
|
|
*m = tm.tm_mon + 1;
|
|
return (0);
|
|
}
|
|
return (1);
|
|
}
|