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parsedate.y
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parsedate.y
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%{
/*
* Imported from
* PHP CVS 1.56.2.2
* Fri May 20 07:14:01 2005
* http://cvs.php.net/php-src/ext/standard/parsedate.y
*
* and patched from there
*
* 1.59 removed this from PHP CVS and replaced it with entirely new
* code written under the PHP license:
* http://viewcvs.php.net/viewcvs.cgi/php-src/ext/date/lib/
* That code is not used here and cannot be used.
*
* The old version is now in the CVS Attic:
* http://viewcvs.php.net/viewcvs.cgi/php-src/ext/standard/Attic/parsedate.y
*/
/*
** Originally written by Steven M. Bellovin <smb@research.att.com> while
** at the University of North Carolina at Chapel Hill. Later tweaked by
** a couple of people on Usenet. Completely overhauled by Rich $alz
** <rsalz@bbn.com> and Jim Berets <jberets@bbn.com> in August, 1990.
**
** This code is in the public domain and has no copyright.
*/
#ifdef HAVE_CONFIG_H
#include <raptor_config.h>
#endif
#include <stdio.h>
#include <sys/types.h>
#include <time.h>
#include <ctype.h>
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#if defined(_HPUX_SOURCE)
#include <alloca.h>
#endif
#include "raptor2.h"
#include "raptor_internal.h"
#if defined (STDC_HEADERS) || (!defined (isascii) && !defined (HAVE_ISASCII))
# define IN_CTYPE_DOMAIN(c) 1
#else
# define IN_CTYPE_DOMAIN(c) isascii(c)
#endif
#define ISSPACE(c) (IN_CTYPE_DOMAIN (c) && isspace (c))
#define ISALPHA(c) (IN_CTYPE_DOMAIN (c) && isalpha (c))
#define ISUPPER(c) (IN_CTYPE_DOMAIN (c) && isupper (c))
#define ISDIGIT_LOCALE(c) (IN_CTYPE_DOMAIN (c) && isdigit (c))
/* ISDIGIT differs from ISDIGIT_LOCALE, as follows:
- Its arg may be any int or unsigned int; it need not be an unsigned char.
- It's guaranteed to evaluate its argument exactly once.
- It's typically faster.
Posix 1003.2-1992 section 2.5.2.1 page 50 lines 1556-1558 says that
only '0' through '9' are digits. Prefer ISDIGIT to ISDIGIT_LOCALE unless
it's important to use the locale's definition of `digit' even when the
host does not conform to Posix. */
#define ISDIGIT(c) ((unsigned) (c) - '0' <= 9)
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#if !defined(__GNUC__) || __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
# define __attribute__(x)
#endif
#ifndef ATTRIBUTE_UNUSED
# define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
#endif
/* Some old versions of bison generate parsers that use bcopy.
That loses on systems that don't provide the function, so we have
to redefine it here. */
#if !defined (HAVE_BCOPY) && defined (HAVE_MEMCPY) && !defined (bcopy)
# define bcopy(from, to, len) memcpy ((to), (from), (len))
#endif
/* Prototypes */
static int raptor_parsedate_error(const char *msg);
#define EPOCH 1970
#define HOUR(x) ((x) * 60)
#define MAX_BUFF_LEN 128 /* size of buffer to read the date into */
/*
** An entry in the lexical lookup table.
*/
typedef struct _TABLE {
const char *name;
int type;
int value;
} TABLE;
/*
** Meridian: am, pm, or 24-hour style.
*/
typedef enum _MERIDIAN {
MERam, MERpm, MER24
} MERIDIAN;
struct date_yy {
const char *yyInput;
int yyDayOrdinal;
int yyDayNumber;
int yyHaveDate;
int yyHaveDay;
int yyHaveRel;
int yyHaveTime;
int yyHaveZone;
int yyTimezone;
int yyDay;
int yyHour;
int yyMinutes;
int yyMonth;
int yySeconds;
int yyYear;
MERIDIAN yyMeridian;
int yyRelDay;
int yyRelHour;
int yyRelMinutes;
int yyRelMonth;
int yyRelSeconds;
int yyRelYear;
};
typedef union _date_ll {
int Number;
enum _MERIDIAN Meridian;
} date_ll;
#define YYPARSE_PARAM parm
#define YYLEX_PARAM parm
#define YYSTYPE date_ll
#define YYLTYPE void
static int yylex (YYSTYPE *lvalp, void *parm);
static int ToHour (int Hours, MERIDIAN Meridian);
static int ToYear (int Year);
static int LookupWord (YYSTYPE *lvalp, char *buff);
%}
/* This grammar has 56 shift/reduce conflicts. */
%expect 56
%pure_parser
%token tAGO tDAY tDAY_UNIT tDAYZONE tDST tHOUR_UNIT tID tTZONE tWZONE tZZONE
%token tMERIDIAN tMINUTE_UNIT tMONTH tMONTH_UNIT
%token tSEC_UNIT tSNUMBER tUNUMBER tYEAR_UNIT tZONE
%type <Number> tDAY tDAY_UNIT tDAYZONE tHOUR_UNIT tMINUTE_UNIT
%type <Number> tMONTH tMONTH_UNIT
%type <Number> tSEC_UNIT tSNUMBER tUNUMBER tYEAR_UNIT tZONE tTZONE tWZONE tZZONE
%type <Meridian> tMERIDIAN
%%
spec : /* NULL */
| spec item
;
item : time {
((struct date_yy *)parm)->yyHaveTime++;
}
| zone {
((struct date_yy *)parm)->yyHaveZone++;
}
| date {
((struct date_yy *)parm)->yyHaveDate++;
}
| day {
((struct date_yy *)parm)->yyHaveDay++;
}
| rel {
((struct date_yy *)parm)->yyHaveRel++;
}
| number
| o_merid
;
time : tUNUMBER tMERIDIAN {
((struct date_yy *)parm)->yyHour = $1;
((struct date_yy *)parm)->yyMinutes = 0;
((struct date_yy *)parm)->yySeconds = 0;
((struct date_yy *)parm)->yyMeridian = $2;
}
| iso8601time_colon
/* | pgsqltime ... shares a common spec with ISO8601 */
;
iso8601time_colon: HMStime_with_colon sec_fraction_part rel {
((struct date_yy *)parm)->yyMeridian = MER24;
}
| HMtime_with_colon sec_fraction_part rel {
((struct date_yy *)parm)->yyMeridian = MER24;
((struct date_yy *)parm)->yySeconds = 0;
}
| HMStime_with_colon sec_fraction_part iso8601zonepart {
((struct date_yy *)parm)->yyMeridian = MER24;
}
| HMtime_with_colon sec_fraction_part iso8601zonepart {
((struct date_yy *)parm)->yyMeridian = MER24;
((struct date_yy *)parm)->yySeconds = 0;
}
;
iso8601zonepart: zonepart_numeric_without_colon {
((struct date_yy *)parm)->yyHaveZone++;
}
| zonepart_numeric_with_colon {
((struct date_yy *)parm)->yyHaveZone++;
}
| zone {
((struct date_yy *)parm)->yyHaveZone++;
}
| /* empty */
;
sec_fraction_part: '.' tUNUMBER {
}
| /* empty */
;
zonepart_numeric_without_colon: tSNUMBER {
/* format: [+-]hhmm */
if($1 <= -100 || $1 >= 100) {
((struct date_yy *)parm)->yyTimezone = (-$1 / 100) * 60 + (-$1 % 100);
} else if($1 >= -99 || $1 <= 99) {
((struct date_yy *)parm)->yyTimezone = -$1 * 60;
}
}
;
zonepart_numeric_with_colon: tSNUMBER ':' tUNUMBER {
/* format: [+-]hh:mm */
((struct date_yy *)parm)->yyTimezone = -$1 * 60 + ($1 > 0 ? -$3: $3);
}
;
HMStime_with_colon: HMtime_with_colon ':' tUNUMBER {
/* format: hh:mm:ss */
((struct date_yy *)parm)->yySeconds = $3;
}
;
HMtime_with_colon: tUNUMBER ':' tUNUMBER {
/* format: hh:mm */
((struct date_yy *)parm)->yyHour = $1;
((struct date_yy *)parm)->yyMinutes = $3;
}
;
/* we have to deal with a special case for the datetime format
of XML Schema here: '2003-11-18T22:40:00Z'
the combination of a 'T' timezone specifier later followed
by a 'Z' is now recognized and allowed
TODO: change the grammer so that the exact positions are checked
right now '2003-11-18 22:40:00 TZ' is also accepted (hartmut)
*/
zone : tTZONE {
((struct date_yy *)parm)->yyTimezone = $1;
}
| tWZONE {
((struct date_yy *)parm)->yyTimezone = $1;
}
| tZZONE {
((struct date_yy *)parm)->yyTimezone = $1;
}
| tZONE {
((struct date_yy *)parm)->yyTimezone = $1;
}
| tDAYZONE {
((struct date_yy *)parm)->yyTimezone = $1 - 60;
}
| tZONE tDST {
((struct date_yy *)parm)->yyTimezone = $1 - 60;
}
;
day : tDAY {
((struct date_yy *)parm)->yyDayOrdinal = 1;
((struct date_yy *)parm)->yyDayNumber = $1;
}
| tDAY ',' {
((struct date_yy *)parm)->yyDayOrdinal = 1;
((struct date_yy *)parm)->yyDayNumber = $1;
}
| tUNUMBER tDAY {
((struct date_yy *)parm)->yyDayOrdinal = $1;
((struct date_yy *)parm)->yyDayNumber = $2;
}
;
date : tUNUMBER '/' tUNUMBER {
((struct date_yy *)parm)->yyMonth = $1;
((struct date_yy *)parm)->yyDay = $3;
}
| tMONTH tUNUMBER tUNUMBER ':' tUNUMBER ':' tUNUMBER tUNUMBER {
((struct date_yy *)parm)->yyYear = $8;
((struct date_yy *)parm)->yyMonth = $1;
((struct date_yy *)parm)->yyDay = $2;
((struct date_yy *)parm)->yyHour = $3;
((struct date_yy *)parm)->yyMinutes = $5;
((struct date_yy *)parm)->yySeconds = $7;
((struct date_yy *)parm)->yyHaveTime = 1;
}
| tUNUMBER '/' tUNUMBER '/' tUNUMBER {
/* Interpret as YYYY/MM/DD if $1 >= 1000, otherwise as MM/DD/YY.
The goal in recognizing YYYY/MM/DD is solely to support legacy
machine-generated dates like those in an RCS log listing. If
you want portability, use the ISO 8601 format. */
if($1 >= 1000)
{
((struct date_yy *)parm)->yyYear = $1;
((struct date_yy *)parm)->yyMonth = $3;
((struct date_yy *)parm)->yyDay = $5;
}
else
{
((struct date_yy *)parm)->yyMonth = $1;
((struct date_yy *)parm)->yyDay = $3;
((struct date_yy *)parm)->yyYear = $5;
}
}
| iso8601date
| iso8601datetime {
((struct date_yy *)parm)->yyHaveTime++;
}
| tUNUMBER tMONTH tSNUMBER {
/* e.g. 17-JUN-1992. */
((struct date_yy *)parm)->yyDay = $1;
((struct date_yy *)parm)->yyMonth = $2;
((struct date_yy *)parm)->yyYear = -$3;
}
| tMONTH tUNUMBER tUNUMBER {
((struct date_yy *)parm)->yyMonth = $1;
((struct date_yy *)parm)->yyDay = $2;
((struct date_yy *)parm)->yyYear = $3;
}
| tMONTH tUNUMBER {
((struct date_yy *)parm)->yyMonth = $1;
if($2 > 1000) {
((struct date_yy *)parm)->yyYear = $2;
} else {
((struct date_yy *)parm)->yyDay = $2;
}
}
| tMONTH tUNUMBER ',' tUNUMBER {
((struct date_yy *)parm)->yyMonth = $1;
((struct date_yy *)parm)->yyDay = $2;
((struct date_yy *)parm)->yyYear = $4;
}
| tUNUMBER tMONTH {
((struct date_yy *)parm)->yyMonth = $2;
if($1 > 1000) {
((struct date_yy *)parm)->yyYear = $1;
} else {
((struct date_yy *)parm)->yyDay = $1;
}
}
| tUNUMBER tMONTH tUNUMBER {
((struct date_yy *)parm)->yyMonth = $2;
((struct date_yy *)parm)->yyDay = $1;
((struct date_yy *)parm)->yyYear = $3;
}
;
iso8601datetime: iso8601date tTZONE iso8601time
| tUNUMBER tTZONE iso8601time {
int i = $1;
if(i >= 10000) {
/* format: yyyymmdd */
((struct date_yy *)parm)->yyYear = i / 10000;
i %= 10000;
((struct date_yy *)parm)->yyMonth = i / 100;
i %= 100;
((struct date_yy *)parm)->yyDay = i;
} else if(i >= 1000 && i <= 9999) {
/* format: yyyy */
((struct date_yy *)parm)->yyYear = i;
((struct date_yy *)parm)->yyDay= 1;
((struct date_yy *)parm)->yyMonth = 1;
}
}
;
iso8601date: tUNUMBER tSNUMBER tSNUMBER {
/* ISO 8601 format. yyyy-mm-dd. */
((struct date_yy *)parm)->yyYear = $1;
((struct date_yy *)parm)->yyMonth = -$2;
((struct date_yy *)parm)->yyDay = -$3;
}
| tUNUMBER tSNUMBER {
/* ISO 8601 format yyyy-mm */
((struct date_yy *)parm)->yyYear = $1;
((struct date_yy *)parm)->yyMonth = -$2;
((struct date_yy *)parm)->yyDay = 1;
}
| tUNUMBER iso8601weekspec {
const int om = (1 + 9) % 12; /* offset month */
const int oy = $1 - 1; /* offset year */
((struct date_yy *)parm)->yyYear = $1;
((struct date_yy *)parm)->yyMonth = 1;
/* Zeller's formula */
((struct date_yy *)parm)->yyDay -= ((13 * om + 12) / 5 +
oy + oy / 4 + oy / 400 - oy / 100) % 7 - 1;
}
;
iso8601weekspec: tWZONE tUNUMBER {
((struct date_yy *)parm)->yyDay = ($2 / 10) * 7 + ($2 % 10) - 8;
}
| tWZONE tUNUMBER tSNUMBER {
((struct date_yy *)parm)->yyDay = $2 * 7 - $3 - 8;
}
;
iso8601time:
iso8601time_colon
| tUNUMBER sec_fraction_part iso8601zonepart {
int i = $1;
if(i <= -100000 || i >= 100000) {
((struct date_yy *)parm)->yyHour = i / 10000;
i %= 10000;
((struct date_yy *)parm)->yyMinutes = i / 100;
i %= 100;
((struct date_yy *)parm)->yySeconds = i;
} else if(i <= -1000 || i >= 1000) {
((struct date_yy *)parm)->yyHour = i / 100;
i %= 100;
((struct date_yy *)parm)->yyMinutes = i;
((struct date_yy *)parm)->yySeconds = 0;
} else if(i >= -99 || i <= 99) {
((struct date_yy *)parm)->yyHour = $1;
((struct date_yy *)parm)->yyMinutes = 0;
((struct date_yy *)parm)->yySeconds = 0;
} else {
((struct date_yy *)parm)->yyHaveTime = 0;
}
((struct date_yy *)parm)->yyMeridian = MER24;
}
;
rel : relunit tAGO {
((struct date_yy *)parm)->yyRelSeconds =
-((struct date_yy *)parm)->yyRelSeconds;
((struct date_yy *)parm)->yyRelMinutes =
-((struct date_yy *)parm)->yyRelMinutes;
((struct date_yy *)parm)->yyRelHour =
-((struct date_yy *)parm)->yyRelHour;
((struct date_yy *)parm)->yyRelDay =
-((struct date_yy *)parm)->yyRelDay;
((struct date_yy *)parm)->yyRelMonth =
-((struct date_yy *)parm)->yyRelMonth;
((struct date_yy *)parm)->yyRelYear =
-((struct date_yy *)parm)->yyRelYear;
}
| relunit
;
relunit : tUNUMBER tYEAR_UNIT {
((struct date_yy *)parm)->yyRelYear += $1 * $2;
}
| tSNUMBER tYEAR_UNIT {
((struct date_yy *)parm)->yyRelYear += $1 * $2;
}
| tYEAR_UNIT {
((struct date_yy *)parm)->yyRelYear += $1;
}
| tUNUMBER tMONTH_UNIT {
((struct date_yy *)parm)->yyRelMonth += $1 * $2;
}
| tSNUMBER tMONTH_UNIT {
((struct date_yy *)parm)->yyRelMonth += $1 * $2;
}
| tMONTH_UNIT {
((struct date_yy *)parm)->yyRelMonth += $1;
}
| tUNUMBER tDAY_UNIT {
((struct date_yy *)parm)->yyRelDay += $1 * $2;
}
| tSNUMBER tDAY_UNIT {
((struct date_yy *)parm)->yyRelDay += $1 * $2;
}
| tDAY_UNIT {
((struct date_yy *)parm)->yyRelDay += $1;
}
| tUNUMBER tHOUR_UNIT {
((struct date_yy *)parm)->yyRelHour += $1 * $2;
}
| tSNUMBER tHOUR_UNIT {
((struct date_yy *)parm)->yyRelHour += $1 * $2;
}
| tHOUR_UNIT {
((struct date_yy *)parm)->yyRelHour += $1;
}
| tUNUMBER tMINUTE_UNIT {
((struct date_yy *)parm)->yyRelMinutes += $1 * $2;
}
| tSNUMBER tMINUTE_UNIT {
((struct date_yy *)parm)->yyRelMinutes += $1 * $2;
}
| tMINUTE_UNIT {
((struct date_yy *)parm)->yyRelMinutes += $1;
}
| tUNUMBER tSEC_UNIT {
((struct date_yy *)parm)->yyRelSeconds += $1 * $2;
}
| tSNUMBER tSEC_UNIT {
((struct date_yy *)parm)->yyRelSeconds += $1 * $2;
}
| tSEC_UNIT {
((struct date_yy *)parm)->yyRelSeconds += $1;
}
;
number : tUNUMBER
{
if(((struct date_yy *)parm)->yyHaveTime &&
((struct date_yy *)parm)->yyHaveDate &&
!((struct date_yy *)parm)->yyHaveRel)
((struct date_yy *)parm)->yyYear = $1;
else
{
if($1 > 10000)
{
((struct date_yy *)parm)->yyHaveDate++;
((struct date_yy *)parm)->yyDay= ($1)%100;
((struct date_yy *)parm)->yyMonth= ($1/100)%100;
((struct date_yy *)parm)->yyYear = $1/10000;
}
else
{
((struct date_yy *)parm)->yyHaveTime++;
if($1 < 100)
{
((struct date_yy *)parm)->yyHour = $1;
((struct date_yy *)parm)->yyMinutes = 0;
}
else
{
((struct date_yy *)parm)->yyHour = $1 / 100;
((struct date_yy *)parm)->yyMinutes = $1 % 100;
}
((struct date_yy *)parm)->yySeconds = 0;
((struct date_yy *)parm)->yyMeridian = MER24;
}
}
}
;
o_merid : tMERIDIAN
{
((struct date_yy *)parm)->yyMeridian = $1;
}
;
%%
time_t get_date (char *p, time_t *now);
/* Month and day table. */
static TABLE const MonthDayTable[] = {
{ "january", tMONTH, 1 },
{ "february", tMONTH, 2 },
{ "march", tMONTH, 3 },
{ "april", tMONTH, 4 },
{ "may", tMONTH, 5 },
{ "june", tMONTH, 6 },
{ "july", tMONTH, 7 },
{ "august", tMONTH, 8 },
{ "september", tMONTH, 9 },
{ "sept", tMONTH, 9 },
{ "october", tMONTH, 10 },
{ "november", tMONTH, 11 },
{ "december", tMONTH, 12 },
{ "sunday", tDAY, 0 },
{ "monday", tDAY, 1 },
{ "tuesday", tDAY, 2 },
{ "tues", tDAY, 2 },
{ "wednesday", tDAY, 3 },
{ "wednes", tDAY, 3 },
{ "thursday", tDAY, 4 },
{ "thur", tDAY, 4 },
{ "thurs", tDAY, 4 },
{ "friday", tDAY, 5 },
{ "saturday", tDAY, 6 },
{ NULL, 0, 0 }
};
/* Time units table. */
static TABLE const UnitsTable[] = {
{ "year", tYEAR_UNIT, 1 },
{ "month", tMONTH_UNIT, 1 },
{ "fortnight", tDAY_UNIT, 14 },
{ "week", tDAY_UNIT, 7 },
{ "day", tDAY_UNIT, 1 },
{ "hour", tHOUR_UNIT, 1 },
{ "minute", tMINUTE_UNIT, 1 },
{ "min", tMINUTE_UNIT, 1 },
{ "second", tSEC_UNIT, 1 },
{ "sec", tSEC_UNIT, 1 },
{ NULL, 0, 0 }
};
/* Assorted relative-time words. */
static TABLE const OtherTable[] = {
{ "tomorrow", tDAY_UNIT, 1 },
{ "yesterday", tDAY_UNIT, -1 },
{ "today", tDAY_UNIT, 0 },
{ "now", tDAY_UNIT, 0 },
{ "last", tUNUMBER, -1 },
{ "this", tUNUMBER, 0 },
{ "next", tUNUMBER, 1 },
{ "first", tUNUMBER, 1 },
/* { "second", tUNUMBER, 2 }, */
{ "third", tUNUMBER, 3 },
{ "fourth", tUNUMBER, 4 },
{ "fifth", tUNUMBER, 5 },
{ "sixth", tUNUMBER, 6 },
{ "seventh", tUNUMBER, 7 },
{ "eighth", tUNUMBER, 8 },
{ "ninth", tUNUMBER, 9 },
{ "tenth", tUNUMBER, 10 },
{ "eleventh", tUNUMBER, 11 },
{ "twelfth", tUNUMBER, 12 },
{ "ago", tAGO, 1 },
{ NULL, 0, 0 }
};
/* The timezone table. */
static TABLE const TimezoneTable[] = {
{ "gmt", tZONE, HOUR ( 0) }, /* Greenwich Mean */
{ "ut", tZONE, HOUR ( 0) }, /* Universal (Coordinated) */
{ "utc", tZONE, HOUR ( 0) },
{ "wet", tZONE, HOUR ( 0) }, /* Western European */
{ "bst", tDAYZONE, HOUR ( 0) }, /* British Summer */
{ "wat", tZONE, HOUR ( 1) }, /* West Africa */
{ "at", tZONE, HOUR ( 2) }, /* Azores */
#if 0
/* For completeness. BST is also British Summer, and GST is
* also Guam Standard. */
{ "bst", tZONE, HOUR ( 3) }, /* Brazil Standard */
{ "gst", tZONE, HOUR ( 3) }, /* Greenland Standard */
#endif
#if 0
{ "nft", tZONE, HOUR (3.5) }, /* Newfoundland */
{ "nst", tZONE, HOUR (3.5) }, /* Newfoundland Standard */
{ "ndt", tDAYZONE, HOUR (3.5) }, /* Newfoundland Daylight */
#endif
{ "ast", tZONE, HOUR ( 4) }, /* Atlantic Standard */
{ "adt", tDAYZONE, HOUR ( 4) }, /* Atlantic Daylight */
{ "est", tZONE, HOUR ( 5) }, /* Eastern Standard */
{ "edt", tDAYZONE, HOUR ( 5) }, /* Eastern Daylight */
{ "cst", tZONE, HOUR ( 6) }, /* Central Standard */
{ "cdt", tDAYZONE, HOUR ( 6) }, /* Central Daylight */
{ "mst", tZONE, HOUR ( 7) }, /* Mountain Standard */
{ "mdt", tDAYZONE, HOUR ( 7) }, /* Mountain Daylight */
{ "pst", tZONE, HOUR ( 8) }, /* Pacific Standard */
{ "pdt", tDAYZONE, HOUR ( 8) }, /* Pacific Daylight */
{ "yst", tZONE, HOUR ( 9) }, /* Yukon Standard */
{ "ydt", tDAYZONE, HOUR ( 9) }, /* Yukon Daylight */
{ "hst", tZONE, HOUR (10) }, /* Hawaii Standard */
{ "hdt", tDAYZONE, HOUR (10) }, /* Hawaii Daylight */
{ "cat", tZONE, HOUR (10) }, /* Central Alaska */
{ "akst", tZONE, HOUR (10) }, /* Alaska Standard */
{ "akdt", tZONE, HOUR (10) }, /* Alaska Daylight */
{ "ahst", tZONE, HOUR (10) }, /* Alaska-Hawaii Standard */
{ "nt", tZONE, HOUR (11) }, /* Nome */
{ "idlw", tZONE, HOUR (12) }, /* International Date Line West */
{ "cet", tZONE, -HOUR (1) }, /* Central European */
{ "cest", tDAYZONE, -HOUR (1) }, /* Central European Summer */
{ "met", tZONE, -HOUR (1) }, /* Middle European */
{ "mewt", tZONE, -HOUR (1) }, /* Middle European Winter */
{ "mest", tDAYZONE, -HOUR (1) }, /* Middle European Summer */
{ "mesz", tDAYZONE, -HOUR (1) }, /* Middle European Summer */
{ "swt", tZONE, -HOUR (1) }, /* Swedish Winter */
{ "sst", tDAYZONE, -HOUR (1) }, /* Swedish Summer */
{ "fwt", tZONE, -HOUR (1) }, /* French Winter */
{ "fst", tDAYZONE, -HOUR (1) }, /* French Summer */
{ "eet", tZONE, -HOUR (2) }, /* Eastern Europe, USSR Zone 1 */
{ "bt", tZONE, -HOUR (3) }, /* Baghdad, USSR Zone 2 */
#if 0
{ "it", tZONE, -HOUR (3.5) },/* Iran */
#endif
{ "zp4", tZONE, -HOUR (4) }, /* USSR Zone 3 */
{ "zp5", tZONE, -HOUR (5) }, /* USSR Zone 4 */
#if 0
{ "ist", tZONE, -HOUR (5.5) },/* Indian Standard */
#endif
{ "zp6", tZONE, -HOUR (6) }, /* USSR Zone 5 */
#if 0
/* For completeness. NST is also Newfoundland Standard, and SST is
* also Swedish Summer. */
{ "nst", tZONE, -HOUR (6.5) },/* North Sumatra */
{ "sst", tZONE, -HOUR (7) }, /* South Sumatra, USSR Zone 6 */
#endif /* 0 */
{ "wast", tZONE, -HOUR (7) }, /* West Australian Standard */
{ "wadt", tDAYZONE, -HOUR (7) }, /* West Australian Daylight */
#if 0
{ "jt", tZONE, -HOUR (7.5) },/* Java (3pm in Cronusland!) */
#endif
{ "cct", tZONE, -HOUR (8) }, /* China Coast, USSR Zone 7 */
{ "jst", tZONE, -HOUR (9) }, /* Japan Standard, USSR Zone 8 */
#if 0
{ "cast", tZONE, -HOUR (9.5) },/* Central Australian Standard */
{ "cadt", tDAYZONE, -HOUR (9.5) },/* Central Australian Daylight */
#endif
{ "east", tZONE, -HOUR (10) }, /* Eastern Australian Standard */
{ "eadt", tDAYZONE, -HOUR (10) }, /* Eastern Australian Daylight */
{ "gst", tZONE, -HOUR (10) }, /* Guam Standard, USSR Zone 9 */
{ "nzt", tZONE, -HOUR (12) }, /* New Zealand */
{ "nzst", tZONE, -HOUR (12) }, /* New Zealand Standard */
{ "nzdt", tDAYZONE, -HOUR (12) }, /* New Zealand Daylight */
{ "idle", tZONE, -HOUR (12) }, /* International Date Line East */
{ NULL, 0, 0 }
};
/* Military timezone table. */
static TABLE const MilitaryTable[] = {
{ "a", tZONE, HOUR (- 1) },
{ "b", tZONE, HOUR (- 2) },
{ "c", tZONE, HOUR (- 3) },
{ "d", tZONE, HOUR (- 4) },
{ "e", tZONE, HOUR (- 5) },
{ "f", tZONE, HOUR (- 6) },
{ "g", tZONE, HOUR (- 7) },
{ "h", tZONE, HOUR (- 8) },
{ "i", tZONE, HOUR (- 9) },
{ "k", tZONE, HOUR (-10) },
{ "l", tZONE, HOUR (-11) },
{ "m", tZONE, HOUR (-12) },
{ "n", tZONE, HOUR ( 1) },
{ "o", tZONE, HOUR ( 2) },
{ "p", tZONE, HOUR ( 3) },
{ "q", tZONE, HOUR ( 4) },
{ "r", tZONE, HOUR ( 5) },
{ "s", tZONE, HOUR ( 6) },
{ "t", tTZONE, HOUR ( 7) },
{ "u", tZONE, HOUR ( 8) },
{ "v", tZONE, HOUR ( 9) },
{ "w", tWZONE, HOUR ( 10) },
{ "x", tZONE, HOUR ( 11) },
{ "y", tZONE, HOUR ( 12) },
{ "z", tZZONE, HOUR ( 0) },
{ NULL, 0, 0 }
};
/* ARGSUSED */
static int
yyerror(const char *s)
{
return 0;
}
static int
ToHour(int Hours, MERIDIAN Meridian)
{
switch (Meridian)
{
case MER24:
if(Hours < 0 || Hours > 23)
return -1;
return Hours;
case MERam:
if(Hours < 1 || Hours > 12)
return -1;
if(Hours == 12)
Hours = 0;
return Hours;
case MERpm:
if(Hours < 1 || Hours > 12)
return -1;
if(Hours == 12)
Hours = 0;
return Hours + 12;
default:
#ifdef RAPTOR_DEBUG
fprintf(stderr, "%s:%d:%s: UNKNOWN Meridian %d - add a new case",
__FILE__, __LINE__, __func__, (int)Meridian);
#endif
return -1;
}
/* NOTREACHED */
}
static int
ToYear(int Year)
{
if(Year < 0)
Year = -Year;
/* XPG4 suggests that years 00-68 map to 2000-2068, and
years 69-99 map to 1969-1999. */
if(Year < 69)
Year += 2000;
else if(Year < 100)
Year += 1900;
return Year;
}
static int
LookupWord (YYSTYPE *lvalp, char *buff)
{
char *p;
char *q;
const TABLE *tp;
int i;
int abbrev;
/* Make it lowercase. */
for(p = buff; *p; p++)
if(ISUPPER ((unsigned char) *p))
*p = tolower (*p);
if(strcmp (buff, "am") == 0 || strcmp (buff, "a.m.") == 0)
{
lvalp->Meridian = MERam;
return tMERIDIAN;
}
if(strcmp (buff, "pm") == 0 || strcmp (buff, "p.m.") == 0)
{
lvalp->Meridian = MERpm;
return tMERIDIAN;
}
/* See if we have an abbreviation for a month. */
if(strlen (buff) == 3)
abbrev = 1;
else if(strlen (buff) == 4 && buff[3] == '.')
{
abbrev = 1;
buff[3] = '\0';
}
else
abbrev = 0;
for(tp = MonthDayTable; tp->name; tp++)
{
if(abbrev)
{
if(strncmp (buff, tp->name, 3) == 0)
{
lvalp->Number = tp->value;
return tp->type;
}
}
else if(strcmp (buff, tp->name) == 0)
{
lvalp->Number = tp->value;
return tp->type;
}
}
for(tp = TimezoneTable; tp->name; tp++)
if(strcmp (buff, tp->name) == 0)
{
lvalp->Number = tp->value;
return tp->type;
}
if(strcmp (buff, "dst") == 0)
return tDST;
for(tp = UnitsTable; tp->name; tp++)
if(strcmp (buff, tp->name) == 0)
{
lvalp->Number = tp->value;
return tp->type;
}
/* Strip off any plural and try the units table again. */
i = RAPTOR_BAD_CAST(int, strlen(buff)) - 1;
if(buff[i] == 's')
{
buff[i] = '\0';
for(tp = UnitsTable; tp->name; tp++)
if(strcmp (buff, tp->name) == 0)
{
lvalp->Number = tp->value;
return tp->type;
}
buff[i] = 's'; /* Put back for "this" in OtherTable. */
}
for(tp = OtherTable; tp->name; tp++)
if(strcmp (buff, tp->name) == 0)
{
lvalp->Number = tp->value;
return tp->type;
}
/* Military timezones. */
if(buff[1] == '\0' && ISALPHA ((unsigned char) *buff))
{
for(tp = MilitaryTable; tp->name; tp++)
if(strcmp (buff, tp->name) == 0)
{
lvalp->Number = tp->value;
return tp->type;
}
}
/* Drop out any periods and try the timezone table again. */
for(i = 0, p = q = buff; *q; q++)
if(*q != '.')
*p++ = *q;
else
i++;
*p = '\0';
if(i)
for(tp = TimezoneTable; tp->name; tp++)
if(strcmp (buff, tp->name) == 0)
{
lvalp->Number = tp->value;
return tp->type;
}
return tID;
}
int yylex(YYSTYPE *lvalp, void *parm)
{
unsigned char c;
char *p;
char buff[20];
int Count;
int sign;
struct date_yy * date = (struct date_yy *)parm;
for(;;)
{
while(ISSPACE ((unsigned char) *date->yyInput))
date->yyInput++;
if(ISDIGIT (c = *date->yyInput) || c == '-' || c == '+')
{
if(c == '-' || c == '+')
{
sign = c == '-' ? -1 : 1;
if(!ISDIGIT (*++date->yyInput))
/* skip the '-' sign */
continue;
}
else
sign = 0;
for(lvalp->Number = 0; ISDIGIT (c = *date->yyInput++);)
lvalp->Number = 10 * lvalp->Number + c - '0';
date->yyInput--;
if(sign < 0)
lvalp->Number = -lvalp->Number;
/* Ignore ordinal suffixes on numbers */
c = *date->yyInput;
if(c == 's' || c == 'n' || c == 'r' || c == 't') {
c = *++date->yyInput;
if(c == 't' || c == 'd' || c == 'h') {
date->yyInput++;
} else {
date->yyInput--;
}
}
return sign ? tSNUMBER : tUNUMBER;
}
if(ISALPHA (c))
{
for(p = buff; (c = *date->yyInput++, ISALPHA (c)) || c == '.';)
if(p < &buff[sizeof buff - 1])
*p++ = c;
*p = '\0';