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- document the -3, -A and -B properly in Synopsis.

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- add highlight of current date for non-terminals.
- fix -J option.
- code cleanup.

MFC after:	2 weeks
This commit is contained in:
edwin 2010-03-07 21:54:28 +00:00
parent d8e6dbd422
commit 3845e03a2d
2 changed files with 105 additions and 58 deletions
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16
usr.bin/ncal/ncal.1
View File

@ -33,24 +33,32 @@
.Nd displays a calendar and the date of Easter
.Sh SYNOPSIS
.Nm
.Op Fl hjy
.Op Fl 3hjy
.Op Fl A Ar number
.Op Fl B Ar number
.Oo
.Op Ar month
.Ar year
.Oc
.Nm
.Op Fl hj
.Op Fl 3hj
.Op Fl A Ar number
.Op Fl B Ar number
.Fl m Ar month
.Op Ar year
.Nm ncal
.Op Fl hjJpwy
.Op Fl 3hjJpwy
.Op Fl A Ar number
.Op Fl B Ar number
.Op Fl s Ar country_code
.Oo
.Op Ar month
.Ar year
.Oc
.Nm ncal
.Op Fl hJeo
.Op Fl 3hJeo
.Op Fl A Ar number
.Op Fl B Ar number
.Op Ar year
.Sh DESCRIPTION
The

147
usr.bin/ncal/ncal.c
View File

@ -159,10 +159,10 @@ char jdaystr[] = " 1 2 3 4 5 6 7 8 9"
" 350 351 352 353 354 355 356 357 358 359"
" 360 361 362 363 364 365 366";
int flag_nohighlight; /* user doesn't want a highlighted today */
int flag_weeks; /* user wants number of week */
int nswitch; /* user defined switch date */
int nswitchb; /* switch date for backward compatibility */
const char *term_so, *term_se;
int today;
char *center(char *s, char *t, int w);
@ -181,6 +181,7 @@ int sndaysb(struct date * d);
static void usage(void);
void monthranger(int year, int jd_flag, int m, int before, int after);
void monthrangeb(int year, int jd_flag, int m, int before, int after);
void highlight(char *dst, char *src, int len, int *extraletters);
int
main(int argc, char *argv[])
@ -204,15 +205,9 @@ main(int argc, char *argv[])
char *flag_highlightdate = NULL;
int before, after;
const char *locale; /* locale to get country code */
char tbuf[1024], cbuf[512], *b;
/* On how to highlight on this terminal */
term_se = term_so = NULL;
if (isatty(STDOUT_FILENO) && tgetent(tbuf, NULL) == 1) {
b = cbuf;
term_so = tgetstr("so", &b);
term_se = tgetstr("se", &b);
}
flag_nohighlight = 0;
flag_weeks = 0;
/*
* Use locale to determine the country code,
@ -283,7 +278,7 @@ main(int argc, char *argv[])
flag_highlightdate = optarg;
break;
case 'h':
term_so = term_se = NULL;
flag_nohighlight = 1;
break;
case 'e':
if (flag_backward)
@ -369,6 +364,12 @@ main(int argc, char *argv[])
usage();
}
if (flag_hole_year) {
m = 1;
before = 0;
after = 11;
}
if (flag_month != NULL) {
if (parsemonth(flag_month, &m, &y)) {
errx(EX_USAGE,
@ -717,33 +718,17 @@ mkmonthr(int y, int m, int jd_flag, struct monthlines *mlines)
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
sdater(j, &dt);
memcpy(mlines->lines[i] + k + l,
ds + dt.d * dw, dw);
if (j == today && !flag_nohighlight)
highlight(mlines->lines[i] + k,
ds + dt.d * dw, dw, &l);
else
memcpy(mlines->lines[i] + k + l,
ds + dt.d * dw, dw);
} else
memcpy(mlines->lines[i] + k + l, " ", dw);
}
@ -837,33 +822,17 @@ mkmonthb(int y, int m, int jd_flag, struct monthlines *mlines)
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);
if (j == today && !flag_nohighlight)
highlight(mlines->lines[i] + k,
ds + dt.d * dw, dw, &l);
else
memcpy(mlines->lines[i] + k + l,
ds + dt.d * dw, dw);
} else
memcpy(mlines->lines[i] + k + l, " ", dw);
}
@ -1031,3 +1000,73 @@ parsemonth(const char *s, int *m, int *y)
}
return (1);
}
void
highlight(char *dst, char *src, int len, int *extralen)
{
static int first = 1;
static const char *term_so, *term_se;
if (first) {
char tbuf[1024], cbuf[512], *b;
term_se = term_so = NULL;
/* On how to highlight on this type of terminal (if any) */
if (isatty(STDOUT_FILENO) && tgetent(tbuf, NULL) == 1) {
b = cbuf;
term_so = tgetstr("so", &b);
term_se = tgetstr("se", &b);
}
first = 0;
}
/*
* This check is not necessary, should have been handled before calling
* this function.
*/
if (flag_nohighlight) {
memcpy(dst, src, len);
return;
}
/* If it is a real terminal, use the data from the termcap database. */
if (term_so != NULL && term_se != NULL) {
/* separator */
dst[0] = ' ';
dst++;
/* highlight on */
memcpy(dst, term_so, strlen(term_so));
dst += strlen(term_so);
/* the actual text (minus leading space) */
len--;
src++;
memcpy(dst, src, len);
dst += len;
/* highlight off */
memcpy(dst, term_se, strlen(term_se));
*extralen = strlen(term_so) + strlen(term_se);
return;
}
/*
* Otherwise, print a _, backspace and the letter
*/
*extralen = 0;
/* skip leading space */
src++;
len--;
/* separator */
dst[0] = ' ';
dst++;
while (len > 0) {
/* _ and backspace */
memcpy(dst, "_\010", 2);
dst += 2;
*extralen += 2;
/* the character */
*dst++ = *src++;
len--;
}
}