+++ /dev/null
-%e 2000
-%p 5000
-%n 1000
-%a 4000
-%START Z
-sun (sun(day)?)
-mon (mon(day)?)
-tue (tue(sday)?)
-wed (wed(nesday)?)
-thu (thu(rsday)?)
-fri (fri(day)?)
-sat (sat(urday)?)
-
-DAY ({sun}|{mon}|{tue}|{wed}|{thu}|{fri}|{sat})
-
-jan (jan(uary)?)
-feb (feb(ruary)?)
-mar (mar(ch)?)
-apr (apr(il)?)
-may (may)
-jun (jun(e)?)
-jul (jul(y)?)
-aug (aug(ust)?)
-sep (sep(tember)?)
-oct (oct(ober)?)
-nov (nov(ember)?)
-dec (dec(ember)?)
-
-MONTH ({jan}|{feb}|{mar}|{apr}|{may}|{jun}|{jul}|{aug}|{sep}|{oct}|{nov}|{dec})
-
-w ([ \t]*)
-W ([ \t]+)
-D ([0-9]?[0-9])
-d [0-9]
-%{
-#include <h/nmh.h>
-#include <tws.h>
-#if !defined(HAVE_TM_GMTOFF) && !defined(HAVE_TZSET)
-# include <sys/timeb.h>
-#endif
-
-#if !defined(HAVE_TM_GMTOFF) && defined(HAVE_TZSET)
-extern int daylight;
-extern long timezone;
-extern char *tzname[];
-#endif
-
-/*
- * Patchable flag that says how to interpret NN/NN/NN dates. When
- * true, we do it European style: DD/MM/YY. When false, we do it
- * American style: MM/DD/YY. Of course, these are all non-RFC822
- * compliant.
- */
-int europeandate = 0;
-
-/*
- * Table to convert month names to numeric month. We use the
- * fact that the low order 5 bits of the sum of the 2nd & 3rd
- * characters of the name is a hash with no collisions for the 12
- * valid month names. (The mask to 5 bits maps any combination of
- * upper and lower case into the same hash value).
- */
-static int month_map[] = {
- 0,
- 6, /* 1 - Jul */
- 3, /* 2 - Apr */
- 5, /* 3 - Jun */
- 0,
- 10, /* 5 - Nov */
- 0,
- 1, /* 7 - Feb */
- 11, /* 8 - Dec */
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0, /*15 - Jan */
- 0,
- 0,
- 0,
- 2, /*19 - Mar */
- 0,
- 8, /*21 - Sep */
- 0,
- 9, /*23 - Oct */
- 0,
- 0,
- 4, /*26 - May */
- 0,
- 7 /*28 - Aug */
-};
-/*
- * Same trick for day-of-week using the hash function
- * (c1 & 7) + (c2 & 4)
- */
-static int day_map[] = {
- 0,
- 0,
- 0,
- 6, /* 3 - Sat */
- 4, /* 4 - Thu */
- 0,
- 5, /* 6 - Fri */
- 0, /* 7 - Sun */
- 2, /* 8 - Tue */
- 1 /* 9 - Mon */,
- 0,
- 3 /*11 - Wed */
-};
-#define SETDAY { tw.tw_wday= day_map[(cp[0] & 7) + (cp[1] & 4)];\
- tw.tw_flags &= ~TW_SDAY; tw.tw_flags |= TW_SEXP;\
- cp += 2; }
-#define SETMONTH { tw.tw_mon = month_map[(cp[0] + cp[1]) & 0x1f]; gotdate++;\
- cp += 2;\
- SKIPD;}
-#define CVT1OR2 (i=(*cp++ - '0'), isdigit(*cp)? i*10 + (*cp++ - '0') : i)
-#define CVT2 ((cp[0] - '0')*10 + (cp[1] - '0'))
-#define CVT4 ((((cp[0] - '0')*10 + (cp[1] - '0'))*10 + \
- (cp[2] - '0'))*10 + (cp[3] - '0'))
-#define SKIPD { while ( !isdigit(*cp++) ) ; --cp; }
-#define EXPZONE { tw.tw_flags &= ~TW_SZONE; tw.tw_flags |= TW_SZEXP; }
-#define ZONE(x) { tw.tw_zone=(x); EXPZONE; }
-#define ZONED(x) { ZONE(x); tw.tw_flags |= TW_DST; }
-#define LC(c) (isupper (c) ? tolower (c) : (c))
-
-#ifdef DSTXXX
-# ifdef TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-# else
-# ifdef HAVE_SYS_TIME_H
-# include <sys/time.h>
-# else
-# include <time.h>
-# endif
-# endif
-
-static void
-zonehack (struct tws *tw)
-{
- register struct tm *tm;
-
- if (dmktime (tw) == (time_t) -1)
- return;
-
- tm = localtime (&tw->tw_clock);
- if (tm->tm_isdst) {
- tw->tw_flags |= TW_DST;
- tw->tw_zone -= 60;
- }
-}
-#endif /* DSTXXX */
-%}
-%%
-%{
-struct tws *
-dparsetime (char *str)
-{
- register int i;
- static struct tws tw;
- register char *cp;
- register int gotdate = 0;
- time_t tclock;
-
-#ifdef HAVE_TM_GMTOFF
- struct tm *tm;
- time_t clock;
-#else
-# ifndef HAVE_TZSET
- struct timeb tb;
-# endif /* not HAVE_TZSET */
-#endif /* HAVE_TM_GMTOFF */
-
- start_cond = 0;
-
- /* Zero out the struct. */
- memset( (char *) &tw, 0, sizeof(tw));
-
- /* Set default time zone. */
-#ifdef HAVE_TM_GMTOFF
- time (&clock);
- tm = localtime(&clock);
- tw.tw_zone = tm->tm_gmtoff / 60;
- if (tm->tm_isdst) /* if DST is in effect */
- tw.tw_zone -= 60; /* reset to normal offset */
-#else
-# ifdef HAVE_TZSET
- tzset();
- tw.tw_zone = -(timezone / 60);
-# else
- ftime(&tb);
- tw.tw_zone = -tb.timezone;
-# endif /* HAVE_TZSET */
-#endif /* HAVE_TM_GMTOFF */
-
- while (isspace(*str))
- str++;
- while (1)
- switch (cp = str, *cp ? lex_string( &str, start_cond) : 0) {
-
- case -1:
- if (!gotdate || tw.tw_year == 0)
- return (struct tws *)0;
- /* fall through */
- case 0:
- if (tw.tw_year == 0) {
- /* Set default year. */
- time (&tclock);
- tw.tw_year = localtime(&tclock)->tm_year + 1900;
- } else if (tw.tw_year < 100) {
- /* assume no 2-digit years > 1999 */
- tw.tw_year += 1900;
- }
- return &tw;
-
-%}
-{DAY}","?{w} SETDAY;
-"("{DAY}")"(","?) {
- cp++;
- SETDAY;
- }
-{D}(("-"{D}"-")|("/"{D}"/")){D}?{d}{d}{w} {
- if (europeandate) {
- /* European: DD/MM/YY */
- tw.tw_mday = CVT1OR2;
- cp++;
- tw.tw_mon = CVT1OR2 - 1;
- } else {
- /* American: MM/DD/YY */
- tw.tw_mon = CVT1OR2 - 1;
- cp++;
- tw.tw_mday = CVT1OR2;
- }
- cp++;
- for (i = 0; isdigit(*cp); )
- i = i*10 + (*cp++ - '0');
- tw.tw_year = i;
- gotdate++; /* XXX */
- }
-{D}("/"|"-"){D}{w} {
- if (europeandate) {
- tw.tw_mday = CVT1OR2; cp++;
- tw.tw_mon = CVT1OR2 - 1;
- } else {
- tw.tw_mon = CVT1OR2 - 1; cp++;
- tw.tw_mday = CVT1OR2;
- }
- gotdate++;
- }
-{D}{w}(-)?{w}{MONTH}{w}(-)?{w}{D}?{d}{d}({W}at)?{w} {
- tw.tw_mday = CVT1OR2;
- while ( !isalpha(*cp++) )
- ;
- SETMONTH;
- for (i = 0; isdigit(*cp); )
- i = i*10 + (*cp++ - '0');
- tw.tw_year = i;
-#ifdef FIX_NON_Y2K_COMPLIANT_MUA_DATES
- /* handle broken mua's that don't add
- 1900, or just use the last two
- digits. Assume no email before
- 1972. */
- if (tw.tw_year < 72)
- tw.tw_year += 100;
- if (tw.tw_year < 1900)
- tw.tw_year += 1900;
-#endif /* FIX_NON_Y2K_COMPLIANT_MUA_DATES */
- }
-{D}"-"?{MONTH}({W}at)?{w} {
- tw.tw_mday = CVT1OR2;
- while ( ! isalpha( *cp++ ) )
- ;
- SETMONTH;
- }
-{MONTH}{W}{D}","{W}{D}?{d}{d}{w} {
- cp++;
- SETMONTH;
- tw.tw_mday = CVT1OR2;
- SKIPD;
- for (i = 0; isdigit(*cp); )
- i = i*10 + (*cp++ - '0');
- tw.tw_year = i;
- }
-{MONTH}{W}{D}{w} {
- cp++;
- SETMONTH;
- tw.tw_mday = CVT1OR2;
- }
-
-{D}:{D}:{D}{W}19[6-9]{d} { /* hack: ctime w/o TZ */
- tw.tw_hour = CVT1OR2; cp++;
- tw.tw_min = CVT1OR2; cp++;
- tw.tw_sec = CVT1OR2;
- SKIPD;
- tw.tw_year = CVT4; cp+=4;
- }
-{D}:{D}:{D}{w} {
- tw.tw_hour = CVT1OR2; cp++;
- tw.tw_min = CVT1OR2; cp++;
- tw.tw_sec = CVT1OR2;
- BEGIN Z;
- }
-{D}:{D}{w} {
- tw.tw_hour = CVT1OR2; cp++;
- tw.tw_min = CVT1OR2;
- BEGIN Z;
- }
-{D}:{D}{w}am{w} {
- tw.tw_hour = CVT1OR2; cp++;
- if (tw.tw_hour == 12)
- tw.tw_hour = 0;
- tw.tw_min = CVT1OR2;
- BEGIN Z;
- }
-{D}:{D}:{D}{w}am{w} {
- tw.tw_hour = CVT1OR2; cp++;
- if (tw.tw_hour == 12)
- tw.tw_hour = 0;
- tw.tw_min = CVT1OR2; cp++;
- tw.tw_sec = CVT1OR2;
- BEGIN Z;
- }
-{D}:{D}{w}pm{w} {
- tw.tw_hour = CVT1OR2; cp++;
- if (tw.tw_hour != 12)
- tw.tw_hour += 12;
- tw.tw_min = CVT1OR2;
- BEGIN Z;
- }
-{D}:{D}:{D}{w}pm{w} {
- tw.tw_hour = CVT1OR2; cp++;
- if (tw.tw_hour != 12)
- tw.tw_hour += 12;
- tw.tw_min = CVT1OR2; cp++;
- tw.tw_sec = CVT1OR2;
- BEGIN Z;
- }
-[0-2]{d}{d}{d}{d}{d}{w} {
- tw.tw_hour = CVT2; cp+=2;
- tw.tw_min = CVT2; cp+=2;
- tw.tw_sec = CVT2; cp+=2;
- BEGIN Z;
- }
-19[6-9]{d}{w} {
- /*
- * Luckly, 4 digit times in the range
- * 1960-1999 aren't legal as hour
- * and minutes.
- */
- tw.tw_year = CVT4; cp+=4;
- }
-[0-2]{d}{d}{d}{w} {
- if (tw.tw_hour || tw.tw_min
- || tw.tw_sec) {
- tw.tw_year = CVT4; cp+=4;
- tw.tw_zone = 0;
- } else {
- tw.tw_hour = CVT2; cp+=2;
- tw.tw_min = CVT2; cp+=2;
- BEGIN Z;
- }
- }
-<Z>"-"?ut ZONE(0 * 60);
-<Z>"-"?gmt ZONE(0 * 60);
-<Z>"-"?jst ZONE(2 * 60);
-<Z>"-"?jdt ZONED(2 * 60);
-<Z>"-"?est ZONE(-5 * 60);
-<Z>"-"?edt ZONED(-5 * 60);
-<Z>"-"?cst ZONE(-6 * 60);
-<Z>"-"?cdt ZONED(-6 * 60);
-<Z>"-"?mst ZONE(-7 * 60);
-<Z>"-"?mdt ZONED(-7 * 60);
-<Z>"-"?pst ZONE(-8 * 60);
-<Z>"-"?pdt ZONED(-8 * 60);
-<Z>"-"?nst ZONE(-(3 * 60 + 30));
-<Z>"-"?ast ZONE(-4 * 60);
-<Z>"-"?adt ZONED(-4 * 60);
-<Z>"-"?yst ZONE(-9 * 60);
-<Z>"-"?ydt ZONED(-9 * 60);
-<Z>"-"?hst ZONE(-10 * 60);
-<Z>"-"?hdt ZONED(-10 * 60);
-<Z>"-"?bst ZONED(-1 * 60);
-<Z>[a-i] {
- tw.tw_zone = 60 * (('a'-1) - LC(*cp));
- EXPZONE;
- }
-<Z>[k-m] {
- tw.tw_zone = 60 * ('a' - LC(*cp));
- EXPZONE;
- }
-<Z>[n-y] {
- tw.tw_zone = 60 * (LC(*cp) - 'm');
- EXPZONE;
- }
-<Z>"+"[0-1]{d}{d}{d} {
- cp++;
- tw.tw_zone = ((cp[0] * 10 + cp[1])
- -('0' * 10 + '0'))*60
- +((cp[2] * 10 + cp[3])
- -('0' * 10 + '0'));
- EXPZONE;
-#ifdef DSTXXX
- zonehack (&tw);
-#endif /* DSTXXX */
- cp += 4;
- }
-<Z>"-"[0-1]{d}{d}{d} {
- cp++;
- tw.tw_zone = (('0' * 10 + '0')
- -(cp[0] * 10 + cp[1]))*60
- +(('0' * 10 + '0')
- -(cp[2] * 10 + cp[3]));
- EXPZONE;
-#ifdef DSTXXX
- zonehack (&tw);
-#endif /* DSTXXX */
- cp += 4;
- }
-<Z>{W}{d}{d}{d}{d} {
- SKIPD;
- tw.tw_year = CVT4; cp+=4;
- }
-\n |
-{W} ;
-%%
projects / mmh / blobdiff