#include "strutils.h"
#include "optutils.h"
#include "timeutils.h"
+#include "ttyutils.h"
+#include "xalloc.h"
-static int has_term = 0;
-static const char *Senter = "", *Sexit = ""; /* enter and exit standout mode */
-
-#if defined(HAVE_LIBNCURSES) || defined(HAVE_LIBNCURSESW)
-# if defined(HAVE_NCURSESW_TERM_H)
-# include <ncursesw/term.h>
-# elif defined(HAVE_NCURSES_TERM_H)
-# include <ncurses/term.h>
-# elif defined(HAVE_TERM_H)
-# include <term.h>
-# endif
-#endif
+#define DOY_MONTH_WIDTH 27 /* -j month width */
+#define DOM_MONTH_WIDTH 20 /* month width */
-static int setup_terminal(char *term
-#if !defined(HAVE_LIBNCURSES) && !defined(HAVE_LIBNCURSESW)
- __attribute__((__unused__))
-#endif
- )
+enum {
+ CAL_COLOR_TODAY,
+ CAL_COLOR_HEADER,
+ CAL_COLOR_WEEKNUMBER,
+ CAL_COLOR_WEEKS,
+ CAL_COLOR_WORKDAY,
+ CAL_COLOR_WEEKEND
+};
+
+static const struct { const char * const scheme; const char * dflt; } colors[] =
{
-#if defined(HAVE_LIBNCURSES) || defined(HAVE_LIBNCURSESW)
- int ret;
+ [CAL_COLOR_TODAY] = { "today", UL_COLOR_REVERSE },
+ [CAL_COLOR_WEEKNUMBER] = { "weeknumber", UL_COLOR_REVERSE }, /* requested week */
+ [CAL_COLOR_WEEKS] = { "weeks", "" }, /* week numbers */
+ [CAL_COLOR_HEADER] = { "header", "" },
+ [CAL_COLOR_WORKDAY] = { "workday", "" },
+ [CAL_COLOR_WEEKEND] = { "weekend", "" }
+};
- if (setupterm(term, STDOUT_FILENO, &ret) != 0 || ret != 1)
- return -1;
-#endif
- return 0;
+static inline void cal_enable_color(int id)
+{
+ color_scheme_enable(colors[id].scheme, colors[id].dflt);
}
-static void my_putstring(char *s)
+static inline const char *cal_get_color_sequence(int id)
{
-#if defined(HAVE_LIBNCURSES) || defined(HAVE_LIBNCURSESW)
- if (has_term)
- putp(s);
- else
-#endif
- fputs(s, stdout);
+ return color_scheme_get_sequence(colors[id].scheme, colors[id].dflt);
}
-static const char *my_tgetstr(char *ss
-#if !defined(HAVE_LIBNCURSES) && !defined(HAVE_LIBNCURSESW)
- __attribute__((__unused__))
-#endif
- )
+static inline void cal_disable_color(int id)
{
- const char *ret = NULL;
+ const char *seq = cal_get_color_sequence(id);
+ if (seq && seq[0])
+ color_disable();
+}
-#if defined(HAVE_LIBNCURSES) || defined(HAVE_LIBNCURSESW)
- if (has_term)
- ret = tigetstr(ss);
-#endif
- if (!ret || ret == (char *)-1)
+static inline const char *cal_get_color_disable_sequence(int id)
+{
+ const char *seq = cal_get_color_sequence(id);
+ if (seq && seq[0])
+ return UL_COLOR_RESET;
+ else
return "";
- return ret;
}
#include "widechar.h"
+enum {
+ GREGORIAN = INT32_MIN,
+ ISO = INT32_MIN,
+ GB1752 = 1752,
+ DEFAULT_REFORM_YEAR = 1752,
+ JULIAN = INT32_MAX
+};
+
enum {
SUNDAY = 0,
MONDAY,
DECEMBER
};
-#define REFORMATION_YEAR 1752 /* Signed-off-by: Lord Chesterfield */
#define REFORMATION_MONTH SEPTEMBER
#define NUMBER_MISSING_DAYS 11 /* 11 day correction */
#define YDAY_AFTER_MISSING 258 /* 14th in Sep 1752 */
WEEK_NUM_US=0x200,
};
+enum {
+ COLUMNS_MAX_THREE = -1,
+ COLUMNS_AUTO = -2,
+};
+
/* utf-8 can have up to 6 bytes per char; and an extra byte for ending \0 */
static char day_headings[(WEEK_LEN + 1) * 6 + 1];
struct cal_control {
const char *full_month[MONTHS_IN_YEAR]; /* month names */
const char *abbr_month[MONTHS_IN_YEAR]; /* abbreviated month names */
+ const char *weekdays[DAYS_IN_WEEK]; /* day names */
+ int reform_year; /* Gregorian reform year */
int colormode; /* day and week number highlight */
int num_months; /* number of requested months */
int span_months; /* span the date */
int weektype; /* WEEK_TYPE_{NONE,ISO,US} */
size_t day_width; /* day width in characters in printout */
size_t week_width; /* 7 * day_width + possible week num */
+ size_t month_width; /* width of a month (vertical mode) */
int gutter_width; /* spaces in between horizontal month outputs */
struct cal_request req; /* the times user is interested */
unsigned int julian:1, /* julian output */
header_year:1, /* print year number */
- header_hint:1; /* does month name + year need two lines to fit */
+ header_hint:1, /* does month name + year need two lines to fit */
+ vertical:1; /* display the output in vertical */
};
struct cal_month {
int32_t year;
struct cal_month *next;
};
-
/* function prototypes */
-static int leap_year(int32_t year);
+static int leap_year(const struct cal_control *ctl, int32_t year);
static int monthname_to_number(struct cal_control *ctl, const char *name);
+static void weekdays_init(struct cal_control *ctl);
static void headers_init(struct cal_control *ctl);
static void cal_fill_month(struct cal_month *month, const struct cal_control *ctl);
static void cal_output_header(struct cal_month *month, const struct cal_control *ctl);
static void cal_output_months(struct cal_month *month, const struct cal_control *ctl);
+static void cal_vert_output_months(struct cal_month *month, const struct cal_control *ctl);
static void monthly(const struct cal_control *ctl);
static void yearly(const struct cal_control *ctl);
-static int day_in_year(int day, int month, int32_t year);
-static int day_in_week(int day, int month, int32_t year);
+static int day_in_year(const struct cal_control *ctl, int day,
+ int month, int32_t year);
+static int day_in_week(const struct cal_control *ctl, int day,
+ int month, int32_t year);
static int week_number(int day, int month, int32_t year, const struct cal_control *ctl);
static int week_to_day(const struct cal_control *ctl);
static int center_str(const char *src, char *dest, size_t dest_size, size_t width);
static void center(const char *str, size_t len, int separate);
+static int left_str(const char *src, char *dest, size_t dest_size, size_t width);
+static void left(const char *str, size_t len, int separate);
+static int parse_reform_year(const char *reform_year);
static void __attribute__((__noreturn__)) usage(void);
+#ifdef TEST_CAL
+static time_t cal_time(time_t *t)
+{
+ char *str = getenv("CAL_TEST_TIME");
+
+ if (str) {
+ uint64_t x = strtou64_or_err(str, "failed to parse CAL_TEST_TIME");
+
+ *t = x;
+ return *t;
+ }
+
+ return time(t);
+}
+#else
+# define cal_time(t) time(t)
+#endif
+
int main(int argc, char **argv)
{
- struct tm *local_time;
- char *term;
+ struct tm local_time;
time_t now;
- int ch = 0, yflag = 0, Yflag = 0;
+ int ch = 0, yflag = 0, Yflag = 0, cols = COLUMNS_MAX_THREE;
+
static struct cal_control ctl = {
+ .reform_year = DEFAULT_REFORM_YEAR,
.weekstart = SUNDAY,
- .num_months = 1, /* default is "cal -1" */
.span_months = 0,
.colormode = UL_COLORMODE_UNDEF,
.weektype = WEEK_NUM_DISABLED,
};
enum {
- OPT_COLOR = CHAR_MAX + 1
+ OPT_COLOR = CHAR_MAX + 1,
+ OPT_ISO,
+ OPT_REFORM
};
static const struct option longopts[] = {
{"year", no_argument, NULL, 'y'},
{"week", optional_argument, NULL, 'w'},
{"color", optional_argument, NULL, OPT_COLOR},
+ {"reform", required_argument, NULL, OPT_REFORM},
+ {"iso", no_argument, NULL, OPT_ISO},
{"version", no_argument, NULL, 'V'},
{"twelve", no_argument, NULL, 'Y'},
{"help", no_argument, NULL, 'h'},
+ {"vertical", no_argument, NULL,'v'},
+ {"columns", required_argument, NULL,'c'},
{NULL, 0, NULL, 0}
};
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
- atexit(close_stdout);
-
- term = getenv("TERM");
- if (term) {
- has_term = setup_terminal(term) == 0;
- if (has_term) {
- Senter = my_tgetstr("smso");
- Sexit = my_tgetstr("rmso");
- }
- }
+ close_stdout_atexit();
/*
* The traditional Unix cal utility starts the week at Sunday,
* POSIX: 19971201 + 7 -1 = 0
*/
{
- int wfd;
+ unsigned int wfd;
union { unsigned int word; char *string; } val;
val.string = nl_langinfo(_NL_TIME_WEEK_1STDAY);
wfd = val.word;
- wfd = day_in_week(wfd % 100, (wfd / 100) % 100, wfd / (100 * 100));
+ wfd = day_in_week(&ctl, wfd % 100, (wfd / 100) % 100,
+ wfd / (100 * 100));
ctl.weekstart = (wfd + *nl_langinfo(_NL_TIME_FIRST_WEEKDAY) - 1) % DAYS_IN_WEEK;
}
#endif
- while ((ch = getopt_long(argc, argv, "13mjn:sSywYVh", longopts, NULL)) != -1) {
+ while ((ch = getopt_long(argc, argv, "13mjn:sSywYvc:Vh", longopts, NULL)) != -1) {
err_exclusive_options(ch, longopts, excl, excl_st);
switch(ch) {
case '1':
- /* default */
+ ctl.num_months = 1;
break;
case '3':
ctl.num_months = 3;
ctl.span_months = 1;
- ctl.months_in_row = 3;
break;
case 's':
ctl.weekstart = SUNDAY; /* default */
break;
case 'w':
if (optarg) {
+ if (*optarg == '=')
+ optarg++;
ctl.req.week = strtos32_or_err(optarg,
_("invalid week argument"));
if (ctl.req.week < 1 || 54 < ctl.req.week)
ctl.colormode = colormode_or_err(optarg,
_("unsupported color mode"));
break;
+ case OPT_REFORM:
+ ctl.reform_year = parse_reform_year(optarg);
+ break;
+ case OPT_ISO:
+ ctl.reform_year = ISO;
+ break;
+ case 'v':
+ ctl.vertical = 1;
+ break;
+ case 'c':
+ if (strcmp(optarg, "auto") == 0)
+ cols = COLUMNS_AUTO;
+ else
+ cols = strtosize_or_err(optarg,
+ _("failed to parse columns"));
+ break;
case 'V':
- printf(UTIL_LINUX_VERSION);
- return EXIT_SUCCESS;
+ print_version(EXIT_SUCCESS);
case 'h':
usage();
default:
ctl.week_width = (ctl.day_width * DAYS_IN_WEEK) + WNUM_LEN;
} else
ctl.week_width = ctl.day_width * DAYS_IN_WEEK;
+ /*
+ * The day_width includes the space between days,
+ * as there is no leading space, remove 1
+ * */
+ ctl.week_width -= 1;
if (argc == 1 && !isdigit_string(*argv)) {
usec_t x;
now = (time_t) (x / 1000000);
/* cal <monthname> */
else if ((ctl.req.month = monthname_to_number(&ctl, *argv)) > 0)
- time(&now); /* this year */
+ cal_time(&now); /* this year */
else
errx(EXIT_FAILURE, _("failed to parse timestamp or unknown month name: %s"), *argv);
argc = 0;
} else
- time(&now);
+ cal_time(&now);
- local_time = localtime(&now);
+ localtime_r(&now, &local_time);
switch(argc) {
case 3:
ctl.req.year = strtos32_or_err(*argv++, _("illegal year value"));
if (ctl.req.year < SMALLEST_YEAR)
errx(EXIT_FAILURE, _("illegal year value: use positive integer"));
- if (ctl.req.year == INT32_MAX)
+ if (ctl.req.year == JULIAN)
errx(EXIT_FAILURE, _("illegal year value"));
if (ctl.req.day) {
- int dm = days_in_month[leap_year(ctl.req.year)][ctl.req.month];
+ int dm = days_in_month[leap_year(&ctl, ctl.req.year)]
+ [ctl.req.month];
if (ctl.req.day > dm)
errx(EXIT_FAILURE, _("illegal day value: use 1-%d"), dm);
- ctl.req.day = day_in_year(ctl.req.day, ctl.req.month, ctl.req.year);
- } else if ((int32_t) (local_time->tm_year + 1900) == ctl.req.year) {
- ctl.req.day = local_time->tm_yday + 1;
+ ctl.req.day = day_in_year(&ctl, ctl.req.day,
+ ctl.req.month, ctl.req.year);
+ } else if ((int32_t) (local_time.tm_year + 1900) == ctl.req.year) {
+ ctl.req.day = local_time.tm_yday + 1;
}
if (!ctl.req.month && !ctl.req.week) {
- ctl.req.month = local_time->tm_mon + 1;
- yflag = 1;
+ ctl.req.month = local_time.tm_mon + 1;
+ if (!ctl.num_months)
+ yflag = 1;
}
break;
case 0:
- ctl.req.day = local_time->tm_yday + 1;
- ctl.req.year = local_time->tm_year + 1900;
- if (!ctl.req.month)
- ctl.req.month = local_time->tm_mon + 1;
+ if (!ctl.req.week) {
+ ctl.req.day = local_time.tm_yday + 1;
+ if (!ctl.req.month)
+ ctl.req.month = local_time.tm_mon + 1;
+ }
+ ctl.req.year = local_time.tm_year + 1900;
+
break;
default:
warnx(_("bad usage"));
if (0 < ctl.req.week) {
int yday = week_to_day(&ctl);
- int leap = leap_year(ctl.req.year);
+ int leap = leap_year(&ctl, ctl.req.year);
int m = 1;
if (yday < 1)
ctl.req.month = MONTHS_IN_YEAR < m ? 1 : m;
}
+ weekdays_init(&ctl);
headers_init(&ctl);
- if (!colors_init(ctl.colormode, "cal")) {
+ if (colors_init(ctl.colormode, "cal") == 0) {
+ /* disable */
ctl.req.day = 0;
ctl.weektype &= ~WEEK_NUM_MASK;
}
if (yflag || Yflag) {
ctl.gutter_width = 3;
- ctl.num_months = MONTHS_IN_YEAR;
+ if (!ctl.num_months)
+ ctl.num_months = MONTHS_IN_YEAR;
if (yflag) {
ctl.req.start_month = 1; /* start from Jan */
ctl.header_year = 1; /* print year number */
}
}
- if (ctl.num_months > 1 && ctl.months_in_row == 0)
- ctl.months_in_row = ctl.julian ? MONTHS_IN_YEAR_ROW - 1 :
- MONTHS_IN_YEAR_ROW;
- else if (!ctl.months_in_row)
+ if (ctl.vertical)
+ ctl.gutter_width = 1;
+
+ if (ctl.num_months > 1 && ctl.months_in_row == 0) {
+ ctl.months_in_row = MONTHS_IN_YEAR_ROW; /* default */
+
+ if (cols > 0)
+ ctl.months_in_row = cols;
+ else if (isatty(STDOUT_FILENO)) {
+ int w, mw, extra, new_n;
+
+ w = get_terminal_width(80);
+ mw = ctl.julian ? DOY_MONTH_WIDTH : DOM_MONTH_WIDTH;
+
+ if (w < mw)
+ w = mw;
+
+ extra = ((w / mw) - 1) * ctl.gutter_width;
+ new_n = (w - extra) / mw;
+
+ switch (cols) {
+ case COLUMNS_MAX_THREE:
+ if (new_n < MONTHS_IN_YEAR_ROW)
+ ctl.months_in_row = new_n > 0 ? new_n : 1;
+ break;
+ case COLUMNS_AUTO:
+ ctl.months_in_row = new_n > 0 ? new_n : 1;
+ break;
+ }
+ }
+ } else if (!ctl.months_in_row)
ctl.months_in_row = 1;
+ if (!ctl.num_months)
+ ctl.num_months = 1; /* display at least one month */
+
if (yflag || Yflag)
yearly(&ctl);
else
}
/* leap year -- account for gregorian reformation in 1752 */
-static int leap_year(int32_t year)
+static int leap_year(const struct cal_control *ctl, int32_t year)
{
- if (year <= REFORMATION_YEAR)
+ if (year <= ctl->reform_year)
return !(year % 4);
- else
- return ( !(year % 4) && (year % 100) ) || !(year % 400);
+
+ return ( !(year % 4) && (year % 100) ) || !(year % 400);
}
static void init_monthnames(struct cal_control *ctl)
return; /* already initialized */
for (i = 0; i < MONTHS_IN_YEAR; i++)
- ctl->full_month[i] = nl_langinfo(MON_1 + i);
+ ctl->full_month[i] = nl_langinfo(ALTMON_1 + i);
}
static void init_abbr_monthnames(struct cal_control *ctl)
return; /* already initialized */
for (i = 0; i < MONTHS_IN_YEAR; i++)
- ctl->abbr_month[i] = nl_langinfo(ABMON_1 + i);
+ ctl->abbr_month[i] = nl_langinfo(_NL_ABALTMON_1 + i);
}
static int monthname_to_number(struct cal_control *ctl, const char *name)
return -EINVAL;
}
+static void weekdays_init(struct cal_control *ctl)
+{
+ size_t wd;
+ int i;
+
+ for (i = 0; i < DAYS_IN_WEEK; i++) {
+ wd = (i + ctl->weekstart) % DAYS_IN_WEEK;
+ ctl->weekdays[i] = nl_langinfo(ABDAY_1 + wd);
+ }
+}
static void headers_init(struct cal_control *ctl)
{
- size_t i, wd;
+ size_t i;
char *cur_dh = day_headings;
char tmp[FMT_ST_CHARS];
int year_len;
for (i = 0; i < DAYS_IN_WEEK; i++) {
size_t space_left;
- wd = (i + ctl->weekstart) % DAYS_IN_WEEK;
- if (i)
- strcat(cur_dh++, " ");
space_left = sizeof(day_headings) - (cur_dh - day_headings);
+ if (i && space_left)
+ strncat(cur_dh++, " ", space_left--);
if (space_left <= (ctl->day_width - 1))
break;
- cur_dh += center_str(nl_langinfo(ABDAY_1 + wd), cur_dh,
+ cur_dh += center_str(ctl->weekdays[i], cur_dh,
space_left, ctl->day_width - 1);
}
for (i = 0; i < MONTHS_IN_YEAR; i++) {
/* The +1 after year_len is space in between month and year. */
- if (ctl->week_width < strlen(ctl->full_month[i]) + year_len + 1)
+ if (ctl->week_width < strlen(ctl->full_month[i]) + year_len)
ctl->header_hint = 1;
}
}
static void cal_fill_month(struct cal_month *month, const struct cal_control *ctl)
{
- int first_week_day = day_in_week(1, month->month, month->year);
+ int first_week_day = day_in_week(ctl, 1, month->month, month->year);
int month_days;
int i, j, weeklines = 0;
if (ctl->julian)
- j = day_in_year(1, month->month, month->year);
+ j = day_in_year(ctl, 1, month->month, month->year);
else
j = 1;
- month_days = j + days_in_month[leap_year(month->year)][month->month];
+ month_days = j + days_in_month[leap_year(ctl, month->year)][month->month];
/* True when Sunday is not first day in the output week. */
if (ctl->weekstart) {
continue;
}
if (j < month_days) {
- if (month->year == REFORMATION_YEAR && month->month == REFORMATION_MONTH && (j == 3 || j == 247))
+ if (month->year == ctl->reform_year &&
+ month->month == REFORMATION_MONTH &&
+ (j == 3 || j == 247))
j += NUMBER_MISSING_DAYS;
month->days[i] = j;
j++;
char out[FMT_ST_CHARS];
struct cal_month *i;
+ cal_enable_color(CAL_COLOR_HEADER);
+
if (ctl->header_hint || ctl->header_year) {
for (i = month; i; i = i->next) {
- sprintf(out, _("%s"), ctl->full_month[i->month - 1]);
- center(out, ctl->week_width - 1, i->next == NULL ? 0 : ctl->gutter_width);
+ snprintf(out, sizeof(out), "%s", ctl->full_month[i->month - 1]);
+ center(out, ctl->week_width, i->next == NULL ? 0 : ctl->gutter_width);
}
if (!ctl->header_year) {
- my_putstring("\n");
+ fputc('\n', stdout);
for (i = month; i; i = i->next) {
- sprintf(out, _("%04d"), i->year);
- center(out, ctl->week_width - 1, i->next == NULL ? 0 : ctl->gutter_width);
+ snprintf(out, sizeof(out), "%04d", i->year);
+ center(out, ctl->week_width, i->next == NULL ? 0 : ctl->gutter_width);
}
}
} else {
for (i = month; i; i = i->next) {
- sprintf(out, _("%s %04d"), ctl->full_month[i->month - 1], i->year);
- center(out, ctl->week_width - 1, i->next == NULL ? 0 : ctl->gutter_width);
+ snprintf(out, sizeof(out), "%s %04d", ctl->full_month[i->month - 1], i->year);
+ center(out, ctl->week_width, i->next == NULL ? 0 : ctl->gutter_width);
}
}
- my_putstring("\n");
+ fputc('\n', stdout);
for (i = month; i; i = i->next) {
if (ctl->weektype) {
if (ctl->julian)
- sprintf(out, "%*s%s", (int)ctl->day_width - 1, "", day_headings);
+ printf("%*s%s", (int)ctl->day_width - 1, "", day_headings);
else
- sprintf(out, "%*s%s", (int)ctl->day_width, "", day_headings);
- my_putstring(out);
+ printf("%*s%s", (int)ctl->day_width, "", day_headings);
} else
- my_putstring(day_headings);
- if (i->next != NULL) {
- sprintf(out, "%*s", ctl->gutter_width, "");
- my_putstring(out);
+ fputs(day_headings, stdout);
+ if (i->next != NULL)
+ printf("%*s", ctl->gutter_width, "");
+ }
+ cal_disable_color(CAL_COLOR_HEADER);
+ fputc('\n', stdout);
+}
+
+static void cal_vert_output_header(struct cal_month *month,
+ const struct cal_control *ctl)
+{
+ char out[FMT_ST_CHARS];
+ struct cal_month *m;
+ int month_width;
+
+ cal_enable_color(CAL_COLOR_HEADER);
+
+ month_width = ctl->day_width * (MAXDAYS / DAYS_IN_WEEK);
+
+ /* Padding for the weekdays */
+ printf("%*s", (int)ctl->day_width + 1, "");
+
+ if (ctl->header_hint || ctl->header_year) {
+ for (m = month; m; m = m->next) {
+ snprintf(out, sizeof(out), "%s", ctl->full_month[m->month - 1]);
+ left(out, month_width, ctl->gutter_width);
+ }
+ if (!ctl->header_year) {
+ fputc('\n', stdout);
+ /* Padding for the weekdays */
+ printf("%*s", (int)ctl->day_width + 1, "");
+
+ for (m = month; m; m = m->next) {
+ snprintf(out, sizeof(out), "%04d", m->year);
+ left(out, month_width, ctl->gutter_width);
+ }
+ }
+ } else {
+ for (m = month; m; m = m->next) {
+ snprintf(out, sizeof(out), "%s %04d", ctl->full_month[m->month - 1], m->year);
+ left(out, month_width, ctl->gutter_width);
}
}
- my_putstring("\n");
+
+ cal_disable_color(CAL_COLOR_HEADER);
+ fputc('\n', stdout);
}
+#define fput_seq(_s) do { if ((_s) && *(_s)) fputs((_s), stdout); } while(0)
+
static void cal_output_months(struct cal_month *month, const struct cal_control *ctl)
{
- char out[FMT_ST_CHARS];
int reqday, week_line, d;
int skip;
struct cal_month *i;
+ int firstwork = ctl->weekstart == SUNDAY ? 1 : 0; /* first workday in week */
+
+ /* Let's keep sequence cached rather than search it for each day */
+ const char *seq_wo_start = cal_get_color_sequence(CAL_COLOR_WORKDAY);
+ const char *seq_wo_end = cal_get_color_disable_sequence(CAL_COLOR_WORKDAY);
+ const char *seq_we_start = cal_get_color_sequence(CAL_COLOR_WEEKEND);
+ const char *seq_we_end = cal_get_color_disable_sequence(CAL_COLOR_WEEKEND);
+
+ const char *seq_ws_start = NULL, *seq_ws_end = NULL;
+
+ if (ctl->weektype) {
+ seq_ws_start = cal_get_color_sequence(CAL_COLOR_WEEKS);
+ seq_ws_end = cal_get_color_disable_sequence(CAL_COLOR_WEEKS);
+ }
for (week_line = 0; week_line < MAXDAYS / DAYS_IN_WEEK; week_line++) {
for (i = month; i; i = i->next) {
if (ctl->julian)
reqday = ctl->req.day;
else
- reqday =
- ctl->req.day + 1 - day_in_year(1, i->month,
- i->year);
+ reqday = ctl->req.day + 1 -
+ day_in_year(ctl, 1, i->month,
+ i->year);
}
if (ctl->weektype) {
if (0 < i->weeks[week_line]) {
- if ((ctl->weektype & WEEK_NUM_MASK) ==
- i->weeks[week_line])
- sprintf(out, "%s%2d%s", Senter, i->weeks[week_line],
- Sexit);
+ const char *seq_start, *seq_end;
+
+ /* colorize by requested week-number or generic weeks color */
+ if (ctl->req.week &&
+ ctl->req.week == i->weeks[week_line]) {
+ seq_start = cal_get_color_sequence(CAL_COLOR_WEEKNUMBER);
+ seq_end = cal_get_color_disable_sequence(CAL_COLOR_WEEKNUMBER);
+ } else {
+ seq_start = seq_ws_start;
+ seq_end = seq_ws_end;
+ }
+
+ if (seq_start && *seq_start)
+ printf("%s%2d%s", seq_start,
+ i->weeks[week_line], seq_end);
else
- sprintf(out, "%2d", i->weeks[week_line]);
+ printf("%2d", i->weeks[week_line]);
} else
- sprintf(out, "%2s", "");
- my_putstring(out);
+ printf("%2s", "");
skip = ctl->day_width;
} else
/* First day of the week is one char narrower than the other days,
for (d = DAYS_IN_WEEK * week_line;
d < DAYS_IN_WEEK * week_line + DAYS_IN_WEEK; d++) {
+
+ int workday = d >= DAYS_IN_WEEK * week_line + firstwork &&
+ d <= DAYS_IN_WEEK * week_line + firstwork + 4;
+
if (0 < i->days[d]) {
+ fput_seq(workday ? seq_wo_start : seq_we_start);
+
if (reqday == i->days[d])
- sprintf(out, "%*s%s%*d%s", skip - (ctl->julian ? 3 : 2),
- "", Senter, (ctl->julian ? 3 : 2),
- i->days[d], Sexit);
+ printf("%*s%s%*d%s",
+ skip - (ctl->julian ? 3 : 2),
+ "", cal_get_color_sequence(CAL_COLOR_TODAY), (ctl->julian ? 3 : 2),
+ i->days[d], cal_get_color_disable_sequence(CAL_COLOR_TODAY));
else
- sprintf(out, "%*d", skip, i->days[d]);
+ printf("%*d", skip, i->days[d]);
+
+ fput_seq(workday ? seq_wo_end : seq_we_end);
} else
- sprintf(out, "%*s", skip, "");
- my_putstring(out);
+ printf("%*s", skip, "");
+
if (skip < (int)ctl->day_width)
skip++;
}
- if (i->next != NULL) {
- sprintf(out, "%*s", ctl->gutter_width, "");
- my_putstring(out);
+ if (i->next != NULL)
+ printf("%*s", ctl->gutter_width, "");
+ }
+ if (i == NULL)
+ fputc('\n', stdout);
+ }
+}
+
+static void
+cal_vert_output_months(struct cal_month *month, const struct cal_control *ctl)
+{
+ int i, reqday, week, d;
+ int skip;
+ struct cal_month *m;
+ int firstwork = ctl->weekstart == SUNDAY ? 1 : 0; /* first workday in week */
+
+ const char *seq_wo_start = cal_get_color_sequence(CAL_COLOR_WORKDAY);
+ const char *seq_wo_end = cal_get_color_disable_sequence(CAL_COLOR_WORKDAY);
+ const char *seq_we_start = cal_get_color_sequence(CAL_COLOR_WEEKEND);
+ const char *seq_we_end = cal_get_color_disable_sequence(CAL_COLOR_WEEKEND);
+ const char *seq_hd_start = cal_get_color_sequence(CAL_COLOR_HEADER);
+ const char *seq_hd_end = cal_get_color_disable_sequence(CAL_COLOR_HEADER);
+
+ skip = ctl->day_width;
+ for (i = 0; i < DAYS_IN_WEEK; i++) {
+ const char *seq_start = seq_wo_start,
+ *seq_end = seq_wo_end;
+
+ /* Day name */
+ fput_seq(seq_hd_start);
+ left(ctl->weekdays[i], ctl->day_width - 1, 0);
+ fput_seq(seq_hd_end);
+
+ /* Workday/Weekend color */
+ if (i < firstwork || i > firstwork + 4) {
+ seq_start = seq_we_start;
+ seq_end = seq_we_end;
+ }
+
+ /* Day digits */
+ for (m = month; m; m = m->next) {
+ reqday = 0;
+ if (m->month == ctl->req.month && m->year == ctl->req.year) {
+ if (ctl->julian) {
+ reqday = ctl->req.day;
+ } else {
+ reqday = ctl->req.day + 1 -
+ day_in_year(ctl, 1, m->month, m->year);
+ }
+ }
+ for (week = 0; week < MAXDAYS / DAYS_IN_WEEK; week++) {
+ d = i + DAYS_IN_WEEK * week;
+
+ if (0 < m->days[d]) {
+ fput_seq(seq_start);
+ if (reqday == m->days[d]) {
+ printf("%*s%s%*d%s",
+ skip - (ctl->julian ? 3 : 2),
+ "",
+ cal_get_color_sequence(CAL_COLOR_TODAY),
+ (ctl->julian ? 3 : 2),
+ m->days[d],
+ cal_get_color_disable_sequence(CAL_COLOR_TODAY));
+ } else {
+ printf("%*d", skip, m->days[d]);
+ }
+ fput_seq(seq_end);
+ } else {
+ printf("%*s", skip, "");
+ }
+ skip = ctl->day_width;
}
+ if (m->next != NULL)
+ printf("%*s", ctl->gutter_width, "");
}
- if (i == NULL) {
- int extra = ctl->num_months > 3 ? 0 : 1;
- sprintf(out, "%*s\n", ctl->gutter_width - extra, "");
- my_putstring(out);
+ fputc('\n', stdout);
+ }
+ if (!ctl->weektype)
+ return;
+
+ /* Week numbers */
+ const char *seq_ws_start = cal_get_color_sequence(CAL_COLOR_WEEKS);
+ const char *seq_ws_end = cal_get_color_disable_sequence(CAL_COLOR_WEEKS);
+
+ printf("%*s", (int)ctl->day_width - 1, "");
+ for (m = month; m; m = m->next) {
+ for (week = 0; week < MAXDAYS / DAYS_IN_WEEK; week++) {
+ if (0 < m->weeks[week]) {
+ const char *seq_start = NULL, *seq_end = NULL;
+
+ /* colorize by requested week-number or generic weeks color */
+ if (ctl->req.week &&
+ ctl->req.week == m->weeks[week]) {
+ seq_start = cal_get_color_sequence(CAL_COLOR_WEEKNUMBER);
+ seq_end = cal_get_color_disable_sequence(CAL_COLOR_WEEKNUMBER);
+ } else {
+ seq_start = seq_ws_start;
+ seq_end = seq_ws_end;
+ }
+
+ if (seq_start && *seq_start)
+ printf("%*s%s%*d%s",
+ skip - (ctl->julian ? 3 : 2), "",
+ seq_start,
+ (ctl->julian ? 3 : 2), m->weeks[week],
+ seq_end);
+ else
+ printf("%*d", skip, m->weeks[week]);
+ } else
+ printf("%*s", skip, "");
}
+ if (m->next != NULL)
+ printf("%*s", ctl->gutter_width, "");
}
+ fputc('\n', stdout);
}
+
static void monthly(const struct cal_control *ctl)
{
- struct cal_month m1,m2,m3, *m;
- int i, rows, new_month, month = ctl->req.start_month ? ctl->req.start_month : ctl->req.month;
+ struct cal_month *m, *ms;
+ int i, rows, month = ctl->req.start_month ? ctl->req.start_month : ctl->req.month;
int32_t year = ctl->req.year;
/* cal -3, cal -Y --span, etc. */
if (ctl->span_months) {
- new_month = month - ctl->num_months / 2;
+ int new_month = month - ctl->num_months / 2;
if (new_month < 1) {
- month = new_month + MONTHS_IN_YEAR;
- year--;
- }
- else
+ new_month *= -1;
+ year -= (new_month / MONTHS_IN_YEAR) + 1;
+
+ if (new_month > MONTHS_IN_YEAR)
+ new_month %= MONTHS_IN_YEAR;
+ month = MONTHS_IN_YEAR - new_month;
+ } else
month = new_month;
}
- m1.next = (ctl->months_in_row > 1) ? &m2 : NULL;
- m2.next = (ctl->months_in_row > 2) ? &m3 : NULL;
- m3.next = NULL;
+ ms = xcalloc(ctl->months_in_row, sizeof(*ms));
+
+ for (i = 0; i < ctl->months_in_row - 1; i++)
+ ms[i].next = &ms[i + 1];
rows = (ctl->num_months - 1) / ctl->months_in_row;
for (i = 0; i < rows + 1 ; i++){
- if (i == rows){
- switch (ctl->num_months % ctl->months_in_row){
- case 1:
- m1.next = NULL;
- /* fallthrough */
- case 2:
- m2.next = NULL;
- /* fallthrough */
- }
- }
- for (m = &m1; m; m = m->next){
+ if (i == rows && ctl->num_months % ctl->months_in_row > 0)
+ for (int n = (ctl->num_months % ctl->months_in_row) - 1; n < ctl->months_in_row; n++)
+ ms[n].next = NULL;
+
+ for (m = ms; m; m = m->next){
m->month = month++;
m->year = year;
if (MONTHS_IN_YEAR < month) {
}
cal_fill_month(m, ctl);
}
- cal_output_header(&m1, ctl);
- cal_output_months(&m1, ctl);
+ if (ctl->vertical) {
+ if (i > 0)
+ fputc('\n', stdout); /* Add a line between row */
+
+ cal_vert_output_header(ms, ctl);
+ cal_vert_output_months(ms, ctl);
+ } else {
+ cal_output_header(ms, ctl);
+ cal_output_months(ms, ctl);
+ }
}
+ free(ms);
}
static void yearly(const struct cal_control *ctl)
{
- char out[FMT_ST_CHARS];
- int year_width = 0;
+ size_t year_width;
- year_width += (ctl->week_width + 1) * (ctl->julian ? 2 : 3);
- if (ctl->julian)
- year_width--;
+ year_width = (size_t) ctl->months_in_row * ctl->week_width
+ + ((size_t) ctl->months_in_row - 1) * ctl->gutter_width;
if (ctl->header_year) {
- sprintf(out, "%04d", ctl->req.year);
+ char out[FMT_ST_CHARS];
+
+ snprintf(out, sizeof(out), "%04d", ctl->req.year);
center(out, year_width, 0);
- my_putstring("\n\n");
+ fputs("\n\n", stdout);
}
monthly(ctl);
-
- /* Is empty line at the end year output really needed? */
- my_putstring("\n");
}
/*
* day_in_year --
* return the 1 based day number within the year
*/
-static int day_in_year(int day, int month, int32_t year)
+static int day_in_year(const struct cal_control *ctl,
+ int day, int month, int32_t year)
{
int i, leap;
- leap = leap_year(year);
+ leap = leap_year(ctl, year);
for (i = 1; i < month; i++)
day += days_in_month[leap][i];
return day;
* 3 Sep. 1752 through 13 Sep. 1752, and returns invalid weekday
* during the period of 11 days.
*/
-static int day_in_week(int day, int month, int32_t year)
+static int day_in_week(const struct cal_control *ctl, int day,
+ int month, int32_t year)
{
- static const int reform[] = {
- SUNDAY, WEDNESDAY, TUESDAY, FRIDAY, SUNDAY, WEDNESDAY,
- FRIDAY, MONDAY, THURSDAY, SATURDAY, TUESDAY, THURSDAY
- };
- static const int old[] = {
- FRIDAY, MONDAY, SUNDAY, WEDNESDAY, FRIDAY, MONDAY,
- WEDNESDAY, SATURDAY, TUESDAY, THURSDAY, SUNDAY, TUESDAY
- };
- if (year != REFORMATION_YEAR + 1)
+ /*
+ * The magic constants in the reform[] array are, in a simplified
+ * sense, the remaining days after slicing into one week periods the total
+ * days from the beginning of the year to the target month. That is,
+ * weeks + reform[] days gets us to the target month. The exception is,
+ * that for the months past February 'DOY - 1' must be used.
+ *
+ * DoY (Day of Year): total days to the target month
+ *
+ * Month 1 2 3 4 5 6 7 8 9 10 11 12
+ * DoY 0 31 59 90 120 151 181 212 243 273 304 334
+ * DoY % 7 0 3
+ * DoY - 1 % 7 - -- 2 5 0 3 5 1 4 6 2 4
+ * reform[] = { 0, 3, 2, 5, 0, 3, 5, 1, 4, 6, 2, 4 };
+ *
+ * Note: these calculations are for non leap years.
+ */
+ static const int reform[] = { 0, 3, 2, 5, 0, 3, 5, 1, 4, 6, 2, 4 };
+ static const int old[] = { 5, 1, 0, 3, 5, 1, 3, 6, 2, 4, 0, 2 };
+
+ if (year != ctl->reform_year + 1)
year -= month < MARCH;
else
year -= (month < MARCH) + 14;
- if (REFORMATION_YEAR < year
- || (year == REFORMATION_YEAR && REFORMATION_MONTH < month)
- || (year == REFORMATION_YEAR && month == REFORMATION_MONTH && 13 < day)) {
- int64_t long_year = year;
- return (long_year + (year / 4) - (year / 100) + (year / 400) + reform[month - 1] +
- day) % DAYS_IN_WEEK;
+ if (ctl->reform_year < year
+ || (year == ctl->reform_year && REFORMATION_MONTH < month)
+ || (year == ctl->reform_year
+ && month == REFORMATION_MONTH && 13 < day)) {
+ return ((int64_t) year + (year / 4)
+ - (year / 100) + (year / 400)
+ + reform[month - 1] + day) % DAYS_IN_WEEK;
}
- if (year < REFORMATION_YEAR
- || (year == REFORMATION_YEAR && month < REFORMATION_MONTH)
- || (year == REFORMATION_YEAR && month == REFORMATION_MONTH && day < 3))
- return (year + year / 4 + old[month - 1] + day) % DAYS_IN_WEEK;
+ if (year < ctl->reform_year
+ || (year == ctl->reform_year && month < REFORMATION_MONTH)
+ || (year == ctl->reform_year && month == REFORMATION_MONTH && day < 3))
+ return ((int64_t) year + year / 4 + old[month - 1] + day)
+ % DAYS_IN_WEEK;
return NONEDAY;
}
static int week_number(int day, int month, int32_t year, const struct cal_control *ctl)
{
int fday = 0, yday;
- const int wday = day_in_week(1, JANUARY, year);
+ const int wday = day_in_week(ctl, 1, JANUARY, year);
if (ctl->weektype & WEEK_NUM_ISO)
fday = wday + (wday >= FRIDAY ? -2 : 5);
if (day > DAYS_IN_MONTH)
month = JANUARY;
- yday = day_in_year(day,month,year);
- if (year == REFORMATION_YEAR && yday >= YDAY_AFTER_MISSING)
+ yday = day_in_year(ctl, day, month, year);
+ if (year == ctl->reform_year && yday >= YDAY_AFTER_MISSING)
fday -= NUMBER_MISSING_DAYS;
/* Last year is last year */
* days than 365 making this check invalid, but reformation year ended
* on Sunday and in week 51, so it's ok here. */
if (ctl->weektype == WEEK_NUM_ISO && yday >= 363
- && day_in_week(day, month, year) >= MONDAY
- && day_in_week(day, month, year) <= WEDNESDAY
- && day_in_week(31, DECEMBER, year) >= MONDAY
- && day_in_week(31, DECEMBER, year) <= WEDNESDAY)
+ && day_in_week(ctl, day, month, year) >= MONDAY
+ && day_in_week(ctl, day, month, year) <= WEDNESDAY
+ && day_in_week(ctl, 31, DECEMBER, year) >= MONDAY
+ && day_in_week(ctl, 31, DECEMBER, year) <= WEDNESDAY)
return week_number(1, JANUARY, year + 1, ctl);
return (yday + fday) / DAYS_IN_WEEK;
{
int yday, wday;
- wday = day_in_week(1, JANUARY, ctl->req.year);
+ wday = day_in_week(ctl, 1, JANUARY, ctl->req.year);
yday = ctl->req.week * DAYS_IN_WEEK - wday;
+ if (ctl->req.year == ctl->reform_year && yday >= YDAY_AFTER_MISSING)
+ yday += NUMBER_MISSING_DAYS;
+
if (ctl->weektype & WEEK_NUM_ISO)
yday -= (wday >= FRIDAY ? -2 : 5);
else
- yday -= (wday == SUNDAY ? 6 : -1); /* WEEK_NUM_US */
+ yday -= 6; /* WEEK_NUM_US */
if (yday <= 0)
return 1;
char lineout[FMT_ST_CHARS];
center_str(str, lineout, ARRAY_SIZE(lineout), len);
- my_putstring(lineout);
+ fputs(lineout, stdout);
- if (separate) {
- snprintf(lineout, sizeof(lineout), "%*s", separate, "");
- my_putstring(lineout);
+ if (separate)
+ printf("%*s", separate, "");
+}
+static int left_str(const char* src, char* dest,
+ size_t dest_size, size_t width)
+{
+ return mbsalign(src, dest, dest_size, &width,
+ MBS_ALIGN_LEFT, MBA_UNIBYTE_FALLBACK);
+}
+
+static void left(const char *str, size_t len, int separate)
+{
+ char lineout[FMT_ST_CHARS];
+
+ left_str(str, lineout, sizeof(lineout), len);
+ fputs(lineout, stdout);
+
+ if (separate)
+ printf("%*s", separate, "");
+}
+
+static int parse_reform_year(const char *reform_year)
+{
+ size_t i;
+
+ struct reform {
+ char *name;
+ int val;
+ };
+
+ struct reform years[] = {
+ {"gregorian", GREGORIAN},
+ {"iso", ISO},
+ {"1752", GB1752},
+ {"julian", JULIAN},
+ };
+
+ for (i = 0; i < ARRAY_SIZE(years); i++) {
+ if (strcasecmp(reform_year, years[i].name) == 0)
+ return years[i].val;
}
+ errx(EXIT_FAILURE, "invalid --reform value: '%s'", reform_year);
}
static void __attribute__((__noreturn__)) usage(void)
{
FILE *out = stdout;
+
fputs(USAGE_HEADER, out);
fprintf(out, _(" %s [options] [[[day] month] year]\n"), program_invocation_short_name);
fprintf(out, _(" %s [options] <timestamp|monthname>\n"), program_invocation_short_name);
fputs(_(" -S, --span span the date when displaying multiple months\n"), out);
fputs(_(" -s, --sunday Sunday as first day of week\n"), out);
fputs(_(" -m, --monday Monday as first day of week\n"), out);
- fputs(_(" -j, --julian output Julian dates\n"), out);
+ fputs(_(" -j, --julian use day-of-year for all calendars\n"), out);
+ fputs(_(" --reform <val> Gregorian reform date (1752|gregorian|iso|julian)\n"), out);
+ fputs(_(" --iso alias for --reform=iso\n"), out);
fputs(_(" -y, --year show the whole year\n"), out);
fputs(_(" -Y, --twelve show the next twelve months\n"), out);
fputs(_(" -w, --week[=<num>] show US or ISO-8601 week numbers\n"), out);
- fputs(_(" --color[=<when>] colorize messages (auto, always or never)\n"), out);
+ fputs(_(" -v, --vertical show day vertically instead of line\n"), out);
+ fputs(_(" -c, --columns <width> amount of columns to use\n"), out);
+ fprintf(out,
+ _(" --color[=<when>] colorize messages (%s, %s or %s)\n"), "auto", "always", "never");
fprintf(out,
" %s\n", USAGE_COLORS_DEFAULT);
fputs(USAGE_SEPARATOR, out);
- printf(USAGE_HELP_OPTIONS(23));
- printf(USAGE_MAN_TAIL("cal(1)"));
+ fprintf(out, USAGE_HELP_OPTIONS(23));
+ fprintf(out, USAGE_MAN_TAIL("cal(1)"));
exit(EXIT_SUCCESS);
}
projects / thirdparty / util-linux.git / blobdiff