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#----------------------------------------------------------------------
#
# clock.tcl --
#
# This file implements the portions of the [clock] ensemble that are
# coded in Tcl. Refer to the users' manual to see the description of
# the [clock] command and its subcommands.
#
#
#----------------------------------------------------------------------
#
# Copyright (c) 2004,2005,2006,2007 by Kevin B. Kenny
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
#----------------------------------------------------------------------
# We must have message catalogs that support the root locale, and we need
# access to the Registry on Windows systems.
uplevel \#0 {
package require msgcat 1.6
if { $::tcl_platform(platform) eq {windows} } {
if { [catch { package require registry 1.1 }] } {
namespace eval ::tcl::clock [list variable NoRegistry {}]
}
}
}
# Put the library directory into the namespace for the ensemble so that the
# library code can find message catalogs and time zone definition files.
namespace eval ::tcl::clock \
[list variable LibDir [file dirname [info script]]]
#----------------------------------------------------------------------
#
# clock --
#
# Manipulate times.
#
# The 'clock' command manipulates time. Refer to the user documentation for
# the available subcommands and what they do.
#
#----------------------------------------------------------------------
namespace eval ::tcl::clock {
# Export the subcommands
namespace export format
namespace export clicks
namespace export microseconds
namespace export milliseconds
namespace export scan
namespace export seconds
namespace export add
# Import the message catalog commands that we use.
namespace import ::msgcat::mcload
namespace import ::msgcat::mclocale
namespace import ::msgcat::mc
namespace import ::msgcat::mcpackagelocale
}
#----------------------------------------------------------------------
#
# ::tcl::clock::Initialize --
#
# Finish initializing the 'clock' subsystem
#
# Results:
# None.
#
# Side effects:
# Namespace variable in the 'clock' subsystem are initialized.
#
# The '::tcl::clock::Initialize' procedure initializes the namespace variables
# and root locale message catalog for the 'clock' subsystem. It is broken
# into a procedure rather than simply evaluated as a script so that it will be
# able to use local variables, avoiding the dangers of 'creative writing' as
# in Bug 1185933.
#
#----------------------------------------------------------------------
proc ::tcl::clock::Initialize {} {
rename ::tcl::clock::Initialize {}
variable LibDir
# Define the Greenwich time zone
proc InitTZData {} {
variable TZData
array unset TZData
set TZData(:Etc/GMT) {
{-9223372036854775808 0 0 GMT}
}
set TZData(:GMT) $TZData(:Etc/GMT)
set TZData(:Etc/UTC) {
{-9223372036854775808 0 0 UTC}
}
set TZData(:UTC) $TZData(:Etc/UTC)
set TZData(:localtime) {}
}
InitTZData
mcpackagelocale set {}
::msgcat::mcpackageconfig set mcfolder [file join $LibDir msgs]
::msgcat::mcpackageconfig set unknowncmd ""
::msgcat::mcpackageconfig set changecmd ChangeCurrentLocale
# Define the message catalog for the root locale.
::msgcat::mcmset {} {
AM {am}
BCE {B.C.E.}
CE {C.E.}
DATE_FORMAT {%m/%d/%Y}
DATE_TIME_FORMAT {%a %b %e %H:%M:%S %Y}
DAYS_OF_WEEK_ABBREV {
Sun Mon Tue Wed Thu Fri Sat
}
DAYS_OF_WEEK_FULL {
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
}
GREGORIAN_CHANGE_DATE 2299161
LOCALE_DATE_FORMAT {%m/%d/%Y}
LOCALE_DATE_TIME_FORMAT {%a %b %e %H:%M:%S %Y}
LOCALE_ERAS {}
LOCALE_NUMERALS {
00 01 02 03 04 05 06 07 08 09
10 11 12 13 14 15 16 17 18 19
20 21 22 23 24 25 26 27 28 29
30 31 32 33 34 35 36 37 38 39
40 41 42 43 44 45 46 47 48 49
50 51 52 53 54 55 56 57 58 59
60 61 62 63 64 65 66 67 68 69
70 71 72 73 74 75 76 77 78 79
80 81 82 83 84 85 86 87 88 89
90 91 92 93 94 95 96 97 98 99
}
LOCALE_TIME_FORMAT {%H:%M:%S}
LOCALE_YEAR_FORMAT {%EC%Ey}
MONTHS_ABBREV {
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
}
MONTHS_FULL {
January February March
April May June
July August September
October November December
}
PM {pm}
TIME_FORMAT {%H:%M:%S}
TIME_FORMAT_12 {%I:%M:%S %P}
TIME_FORMAT_24 {%H:%M}
TIME_FORMAT_24_SECS {%H:%M:%S}
}
# Define a few Gregorian change dates for other locales. In most cases
# the change date follows a language, because a nation's colonies changed
# at the same time as the nation itself. In many cases, different
# national boundaries existed; the dominating rule is to follow the
# nation's capital.
# Italy, Spain, Portugal, Poland
::msgcat::mcset it GREGORIAN_CHANGE_DATE 2299161
::msgcat::mcset es GREGORIAN_CHANGE_DATE 2299161
::msgcat::mcset pt GREGORIAN_CHANGE_DATE 2299161
::msgcat::mcset pl GREGORIAN_CHANGE_DATE 2299161
# France, Austria
::msgcat::mcset fr GREGORIAN_CHANGE_DATE 2299227
# For Belgium, we follow Southern Netherlands; Liege Diocese changed
# several weeks later.
::msgcat::mcset fr_BE GREGORIAN_CHANGE_DATE 2299238
::msgcat::mcset nl_BE GREGORIAN_CHANGE_DATE 2299238
# Austria
::msgcat::mcset de_AT GREGORIAN_CHANGE_DATE 2299527
# Hungary
::msgcat::mcset hu GREGORIAN_CHANGE_DATE 2301004
# Germany, Norway, Denmark (Catholic Germany changed earlier)
::msgcat::mcset de_DE GREGORIAN_CHANGE_DATE 2342032
::msgcat::mcset nb GREGORIAN_CHANGE_DATE 2342032
::msgcat::mcset nn GREGORIAN_CHANGE_DATE 2342032
::msgcat::mcset no GREGORIAN_CHANGE_DATE 2342032
::msgcat::mcset da GREGORIAN_CHANGE_DATE 2342032
# Holland (Brabant, Gelderland, Flanders, Friesland, etc. changed at
# various times)
::msgcat::mcset nl GREGORIAN_CHANGE_DATE 2342165
# Protestant Switzerland (Catholic cantons changed earlier)
::msgcat::mcset fr_CH GREGORIAN_CHANGE_DATE 2361342
::msgcat::mcset it_CH GREGORIAN_CHANGE_DATE 2361342
::msgcat::mcset de_CH GREGORIAN_CHANGE_DATE 2361342
# English speaking countries
::msgcat::mcset en GREGORIAN_CHANGE_DATE 2361222
# Sweden (had several changes onto and off of the Gregorian calendar)
::msgcat::mcset sv GREGORIAN_CHANGE_DATE 2361390
# Russia
::msgcat::mcset ru GREGORIAN_CHANGE_DATE 2421639
# Romania (Transylvania changed earler - perhaps de_RO should show the
# earlier date?)
::msgcat::mcset ro GREGORIAN_CHANGE_DATE 2422063
# Greece
::msgcat::mcset el GREGORIAN_CHANGE_DATE 2423480
#------------------------------------------------------------------
#
# CONSTANTS
#
#------------------------------------------------------------------
# Paths at which binary time zone data for the Olson libraries are known
# to reside on various operating systems
variable ZoneinfoPaths {}
foreach path {
/usr/share/zoneinfo
/usr/share/lib/zoneinfo
/usr/lib/zoneinfo
/usr/local/etc/zoneinfo
} {
if { [file isdirectory $path] } {
lappend ZoneinfoPaths $path
}
}
# Define the directories for time zone data and message catalogs.
variable DataDir [file join $LibDir tzdata]
# Number of days in the months, in common years and leap years.
variable DaysInRomanMonthInCommonYear \
{ 31 28 31 30 31 30 31 31 30 31 30 31 }
variable DaysInRomanMonthInLeapYear \
{ 31 29 31 30 31 30 31 31 30 31 30 31 }
variable DaysInPriorMonthsInCommonYear [list 0]
variable DaysInPriorMonthsInLeapYear [list 0]
set i 0
foreach j $DaysInRomanMonthInCommonYear {
lappend DaysInPriorMonthsInCommonYear [incr i $j]
}
set i 0
foreach j $DaysInRomanMonthInLeapYear {
lappend DaysInPriorMonthsInLeapYear [incr i $j]
}
# Another epoch (Hi, Jeff!)
variable Roddenberry 1946
# Integer ranges
variable MINWIDE -9223372036854775808
variable MAXWIDE 9223372036854775807
# Day before Leap Day
variable FEB_28 58
# Translation table to map Windows TZI onto cities, so that the Olson
# rules can apply. In some cases the mapping is ambiguous, so it's wise
# to specify $::env(TCL_TZ) rather than simply depending on the system
# time zone.
# The keys are long lists of values obtained from the time zone
# information in the Registry. In order, the list elements are:
# Bias StandardBias DaylightBias
# StandardDate.wYear StandardDate.wMonth StandardDate.wDayOfWeek
# StandardDate.wDay StandardDate.wHour StandardDate.wMinute
# StandardDate.wSecond StandardDate.wMilliseconds
# DaylightDate.wYear DaylightDate.wMonth DaylightDate.wDayOfWeek
# DaylightDate.wDay DaylightDate.wHour DaylightDate.wMinute
# DaylightDate.wSecond DaylightDate.wMilliseconds
# The values are the names of time zones where those rules apply. There
# is considerable ambiguity in certain zones; an attempt has been made to
# make a reasonable guess, but this table needs to be taken with a grain
# of salt.
variable WinZoneInfo [dict create {*}{
{-43200 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :Pacific/Kwajalein
{-39600 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :Pacific/Midway
{-36000 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :Pacific/Honolulu
{-32400 0 3600 0 11 0 1 2 0 0 0 0 3 0 2 2 0 0 0} :America/Anchorage
{-28800 0 3600 0 11 0 1 2 0 0 0 0 3 0 2 2 0 0 0} :America/Los_Angeles
{-28800 0 3600 0 10 0 5 2 0 0 0 0 4 0 1 2 0 0 0} :America/Tijuana
{-25200 0 3600 0 11 0 1 2 0 0 0 0 3 0 2 2 0 0 0} :America/Denver
{-25200 0 3600 0 10 0 5 2 0 0 0 0 4 0 1 2 0 0 0} :America/Chihuahua
{-25200 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :America/Phoenix
{-21600 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :America/Regina
{-21600 0 3600 0 11 0 1 2 0 0 0 0 3 0 2 2 0 0 0} :America/Chicago
{-21600 0 3600 0 10 0 5 2 0 0 0 0 4 0 1 2 0 0 0} :America/Mexico_City
{-18000 0 3600 0 11 0 1 2 0 0 0 0 3 0 2 2 0 0 0} :America/New_York
{-18000 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :America/Indianapolis
{-14400 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :America/Caracas
{-14400 0 3600 0 3 6 2 23 59 59 999 0 10 6 2 23 59 59 999}
:America/Santiago
{-14400 0 3600 0 2 0 5 2 0 0 0 0 11 0 1 2 0 0 0} :America/Manaus
{-14400 0 3600 0 11 0 1 2 0 0 0 0 3 0 2 2 0 0 0} :America/Halifax
{-12600 0 3600 0 10 0 5 2 0 0 0 0 4 0 1 2 0 0 0} :America/St_Johns
{-10800 0 3600 0 2 0 2 2 0 0 0 0 10 0 3 2 0 0 0} :America/Sao_Paulo
{-10800 0 3600 0 10 0 5 2 0 0 0 0 4 0 1 2 0 0 0} :America/Godthab
{-10800 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :America/Buenos_Aires
{-10800 0 3600 0 2 0 5 2 0 0 0 0 11 0 1 2 0 0 0} :America/Bahia
{-10800 0 3600 0 3 0 2 2 0 0 0 0 10 0 1 2 0 0 0} :America/Montevideo
{-7200 0 3600 0 9 0 5 2 0 0 0 0 3 0 5 2 0 0 0} :America/Noronha
{-3600 0 3600 0 10 0 5 3 0 0 0 0 3 0 5 2 0 0 0} :Atlantic/Azores
{-3600 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :Atlantic/Cape_Verde
{0 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :UTC
{0 0 3600 0 10 0 5 2 0 0 0 0 3 0 5 1 0 0 0} :Europe/London
{3600 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :Africa/Kinshasa
{3600 0 3600 0 10 0 5 3 0 0 0 0 3 0 5 2 0 0 0} :CET
{7200 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :Africa/Harare
{7200 0 3600 0 9 4 5 23 59 59 0 0 4 4 5 23 59 59 0}
:Africa/Cairo
{7200 0 3600 0 10 0 5 4 0 0 0 0 3 0 5 3 0 0 0} :Europe/Helsinki
{7200 0 3600 0 9 0 3 2 0 0 0 0 3 5 5 2 0 0 0} :Asia/Jerusalem
{7200 0 3600 0 9 0 5 1 0 0 0 0 3 0 5 0 0 0 0} :Europe/Bucharest
{7200 0 3600 0 10 0 5 3 0 0 0 0 3 0 5 2 0 0 0} :Europe/Athens
{7200 0 3600 0 9 5 5 1 0 0 0 0 3 4 5 0 0 0 0} :Asia/Amman
{7200 0 3600 0 10 6 5 23 59 59 999 0 3 0 5 0 0 0 0}
:Asia/Beirut
{7200 0 -3600 0 4 0 1 2 0 0 0 0 9 0 1 2 0 0 0} :Africa/Windhoek
{10800 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :Asia/Riyadh
{10800 0 3600 0 10 0 1 4 0 0 0 0 4 0 1 3 0 0 0} :Asia/Baghdad
{10800 0 3600 0 10 0 5 3 0 0 0 0 3 0 5 2 0 0 0} :Europe/Moscow
{12600 0 3600 0 9 2 4 2 0 0 0 0 3 0 1 2 0 0 0} :Asia/Tehran
{14400 0 3600 0 10 0 5 5 0 0 0 0 3 0 5 4 0 0 0} :Asia/Baku
{14400 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :Asia/Muscat
{14400 0 3600 0 10 0 5 3 0 0 0 0 3 0 5 2 0 0 0} :Asia/Tbilisi
{16200 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :Asia/Kabul
{18000 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :Asia/Karachi
{18000 0 3600 0 10 0 5 3 0 0 0 0 3 0 5 2 0 0 0} :Asia/Yekaterinburg
{19800 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :Asia/Calcutta
{20700 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :Asia/Katmandu
{21600 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :Asia/Dhaka
{21600 0 3600 0 10 0 5 3 0 0 0 0 3 0 5 2 0 0 0} :Asia/Novosibirsk
{23400 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :Asia/Rangoon
{25200 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :Asia/Bangkok
{25200 0 3600 0 10 0 5 3 0 0 0 0 3 0 5 2 0 0 0} :Asia/Krasnoyarsk
{28800 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :Asia/Chongqing
{28800 0 3600 0 10 0 5 3 0 0 0 0 3 0 5 2 0 0 0} :Asia/Irkutsk
{32400 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :Asia/Tokyo
{32400 0 3600 0 10 0 5 3 0 0 0 0 3 0 5 2 0 0 0} :Asia/Yakutsk
{34200 0 3600 0 3 0 5 3 0 0 0 0 10 0 5 2 0 0 0} :Australia/Adelaide
{34200 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :Australia/Darwin
{36000 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :Australia/Brisbane
{36000 0 3600 0 10 0 5 3 0 0 0 0 3 0 5 2 0 0 0} :Asia/Vladivostok
{36000 0 3600 0 3 0 5 3 0 0 0 0 10 0 1 2 0 0 0} :Australia/Hobart
{36000 0 3600 0 3 0 5 3 0 0 0 0 10 0 5 2 0 0 0} :Australia/Sydney
{39600 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :Pacific/Noumea
{43200 0 3600 0 3 0 3 3 0 0 0 0 10 0 1 2 0 0 0} :Pacific/Auckland
{43200 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :Pacific/Fiji
{46800 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :Pacific/Tongatapu
}]
# Groups of fields that specify the date, priorities, and code bursts that
# determine Julian Day Number given those groups. The code in [clock
# scan] will choose the highest priority (lowest numbered) set of fields
# that determines the date.
variable DateParseActions {
{ seconds } 0 {}
{ julianDay } 1 {}
{ era century yearOfCentury month dayOfMonth } 2 {
dict set date year [expr { 100 * [dict get $date century]
+ [dict get $date yearOfCentury] }]
set date [GetJulianDayFromEraYearMonthDay $date[set date {}] \
$changeover]
}
{ era century yearOfCentury dayOfYear } 2 {
dict set date year [expr { 100 * [dict get $date century]
+ [dict get $date yearOfCentury] }]
set date [GetJulianDayFromEraYearDay $date[set date {}] \
$changeover]
}
{ century yearOfCentury month dayOfMonth } 3 {
dict set date era CE
dict set date year [expr { 100 * [dict get $date century]
+ [dict get $date yearOfCentury] }]
set date [GetJulianDayFromEraYearMonthDay $date[set date {}] \
$changeover]
}
{ century yearOfCentury dayOfYear } 3 {
dict set date era CE
dict set date year [expr { 100 * [dict get $date century]
+ [dict get $date yearOfCentury] }]
set date [GetJulianDayFromEraYearDay $date[set date {}] \
$changeover]
}
{ iso8601Century iso8601YearOfCentury iso8601Week dayOfWeek } 3 {
dict set date era CE
dict set date iso8601Year \
[expr { 100 * [dict get $date iso8601Century]
+ [dict get $date iso8601YearOfCentury] }]
set date [GetJulianDayFromEraYearWeekDay $date[set date {}] \
$changeover]
}
{ yearOfCentury month dayOfMonth } 4 {
set date [InterpretTwoDigitYear $date[set date {}] $baseTime]
dict set date era CE
set date [GetJulianDayFromEraYearMonthDay $date[set date {}] \
$changeover]
}
{ yearOfCentury dayOfYear } 4 {
set date [InterpretTwoDigitYear $date[set date {}] $baseTime]
dict set date era CE
set date [GetJulianDayFromEraYearDay $date[set date {}] \
$changeover]
}
{ iso8601YearOfCentury iso8601Week dayOfWeek } 4 {
set date [InterpretTwoDigitYear \
$date[set date {}] $baseTime \
iso8601YearOfCentury iso8601Year]
dict set date era CE
set date [GetJulianDayFromEraYearWeekDay $date[set date {}] \
$changeover]
}
{ month dayOfMonth } 5 {
set date [AssignBaseYear $date[set date {}] \
$baseTime $timeZone $changeover]
set date [GetJulianDayFromEraYearMonthDay $date[set date {}] \
$changeover]
}
{ dayOfYear } 5 {
set date [AssignBaseYear $date[set date {}] \
$baseTime $timeZone $changeover]
set date [GetJulianDayFromEraYearDay $date[set date {}] \
$changeover]
}
{ iso8601Week dayOfWeek } 5 {
set date [AssignBaseIso8601Year $date[set date {}] \
$baseTime $timeZone $changeover]
set date [GetJulianDayFromEraYearWeekDay $date[set date {}] \
$changeover]
}
{ dayOfMonth } 6 {
set date [AssignBaseMonth $date[set date {}] \
$baseTime $timeZone $changeover]
set date [GetJulianDayFromEraYearMonthDay $date[set date {}] \
$changeover]
}
{ dayOfWeek } 7 {
set date [AssignBaseWeek $date[set date {}] \
$baseTime $timeZone $changeover]
set date [GetJulianDayFromEraYearWeekDay $date[set date {}] \
$changeover]
}
{} 8 {
set date [AssignBaseJulianDay $date[set date {}] \
$baseTime $timeZone $changeover]
}
}
# Groups of fields that specify time of day, priorities, and code that
# processes them
variable TimeParseActions {
seconds 1 {}
{ hourAMPM minute second amPmIndicator } 2 {
dict set date secondOfDay [InterpretHMSP $date]
}
{ hour minute second } 2 {
dict set date secondOfDay [InterpretHMS $date]
}
{ hourAMPM minute amPmIndicator } 3 {
dict set date second 0
dict set date secondOfDay [InterpretHMSP $date]
}
{ hour minute } 3 {
dict set date second 0
dict set date secondOfDay [InterpretHMS $date]
}
{ hourAMPM amPmIndicator } 4 {
dict set date minute 0
dict set date second 0
dict set date secondOfDay [InterpretHMSP $date]
}
{ hour } 4 {
dict set date minute 0
dict set date second 0
dict set date secondOfDay [InterpretHMS $date]
}
{ } 5 {
dict set date secondOfDay 0
}
}
# Legacy time zones, used primarily for parsing RFC822 dates.
variable LegacyTimeZone [dict create \
gmt +0000 \
ut +0000 \
utc +0000 \
bst +0100 \
wet +0000 \
wat -0100 \
at -0200 \
nft -0330 \
nst -0330 \
ndt -0230 \
ast -0400 \
adt -0300 \
est -0500 \
edt -0400 \
cst -0600 \
cdt -0500 \
mst -0700 \
mdt -0600 \
pst -0800 \
pdt -0700 \
yst -0900 \
ydt -0800 \
hst -1000 \
hdt -0900 \
cat -1000 \
ahst -1000 \
nt -1100 \
idlw -1200 \
cet +0100 \
cest +0200 \
met +0100 \
mewt +0100 \
mest +0200 \
swt +0100 \
sst +0200 \
fwt +0100 \
fst +0200 \
eet +0200 \
eest +0300 \
bt +0300 \
it +0330 \
zp4 +0400 \
zp5 +0500 \
ist +0530 \
zp6 +0600 \
wast +0700 \
wadt +0800 \
jt +0730 \
cct +0800 \
jst +0900 \
kst +0900 \
cast +0930 \
jdt +1000 \
kdt +1000 \
cadt +1030 \
east +1000 \
eadt +1030 \
gst +1000 \
nzt +1200 \
nzst +1200 \
nzdt +1300 \
idle +1200 \
a +0100 \
b +0200 \
c +0300 \
d +0400 \
e +0500 \
f +0600 \
g +0700 \
h +0800 \
i +0900 \
k +1000 \
l +1100 \
m +1200 \
n -0100 \
o -0200 \
p -0300 \
q -0400 \
r -0500 \
s -0600 \
t -0700 \
u -0800 \
v -0900 \
w -1000 \
x -1100 \
y -1200 \
z +0000 \
]
# Caches
variable LocaleNumeralCache {}; # Dictionary whose keys are locale
# names and whose values are pairs
# comprising regexes matching numerals
# in the given locales and dictionaries
# mapping the numerals to their numeric
# values.
# variable CachedSystemTimeZone; # If 'CachedSystemTimeZone' exists,
# it contains the value of the
# system time zone, as determined from
# the environment.
variable TimeZoneBad {}; # Dictionary whose keys are time zone
# names and whose values are 1 if
# the time zone is unknown and 0
# if it is known.
variable TZData; # Array whose keys are time zone names
# and whose values are lists of quads
# comprising start time, UTC offset,
# Daylight Saving Time indicator, and
# time zone abbreviation.
variable FormatProc; # Array mapping format group
# and locale to the name of a procedure
# that renders the given format
}
::tcl::clock::Initialize
#----------------------------------------------------------------------
#
# clock format --
#
# Formats a count of seconds since the Posix Epoch as a time of day.
#
# The 'clock format' command formats times of day for output. Refer to the
# user documentation to see what it does.
#
#----------------------------------------------------------------------
proc ::tcl::clock::format { args } {
variable FormatProc
variable TZData
lassign [ParseFormatArgs {*}$args] format locale timezone
set locale [string tolower $locale]
set clockval [lindex $args 0]
# Get the data for time changes in the given zone
if {$timezone eq ""} {
set timezone [GetSystemTimeZone]
}
if {![info exists TZData($timezone)]} {
if {[catch {SetupTimeZone $timezone} retval opts]} {
dict unset opts -errorinfo
return -options $opts $retval
}
}
# Build a procedure to format the result. Cache the built procedure's name
# in the 'FormatProc' array to avoid losing its internal representation,
# which contains the name resolution.
set procName formatproc'$format'$locale
set procName [namespace current]::[string map {: {\:} \\ {\\}} $procName]
if {[info exists FormatProc($procName)]} {
set procName $FormatProc($procName)
} else {
set FormatProc($procName) \
[ParseClockFormatFormat $procName $format $locale]
}
return [$procName $clockval $timezone]
}
#----------------------------------------------------------------------
#
# ParseClockFormatFormat --
#
# Builds and caches a procedure that formats a time value.
#
# Parameters:
# format -- Format string to use
# locale -- Locale in which the format string is to be interpreted
#
# Results:
# Returns the name of the newly-built procedure.
#
#----------------------------------------------------------------------
proc ::tcl::clock::ParseClockFormatFormat {procName format locale} {
if {[namespace which $procName] ne {}} {
return $procName
}
# Map away the locale-dependent composite format groups
EnterLocale $locale
# Change locale if a fresh locale has been given on the command line.
try {
return [ParseClockFormatFormat2 $format $locale $procName]
} trap CLOCK {result opts} {
dict unset opts -errorinfo
return -options $opts $result
}
}
proc ::tcl::clock::ParseClockFormatFormat2 {format locale procName} {
set didLocaleEra 0
set didLocaleNumerals 0
set preFormatCode \
[string map [list @GREGORIAN_CHANGE_DATE@ \
[mc GREGORIAN_CHANGE_DATE]] \
{
variable TZData
set date [GetDateFields $clockval \
$TZData($timezone) \
@GREGORIAN_CHANGE_DATE@]
}]
set formatString {}
set substituents {}
set state {}
set format [LocalizeFormat $locale $format]
foreach char [split $format {}] {
switch -exact -- $state {
{} {
if { [string equal % $char] } {
set state percent
} else {
append formatString $char
}
}
percent { # Character following a '%' character
set state {}
switch -exact -- $char {
% { # A literal character, '%'
append formatString %%
}
a { # Day of week, abbreviated
append formatString %s
append substituents \
[string map \
[list @DAYS_OF_WEEK_ABBREV@ \
[list [mc DAYS_OF_WEEK_ABBREV]]] \
{ [lindex @DAYS_OF_WEEK_ABBREV@ \
[expr {[dict get $date dayOfWeek] \
% 7}]]}]
}
A { # Day of week, spelt out.
append formatString %s
append substituents \
[string map \
[list @DAYS_OF_WEEK_FULL@ \
[list [mc DAYS_OF_WEEK_FULL]]] \
{ [lindex @DAYS_OF_WEEK_FULL@ \
[expr {[dict get $date dayOfWeek] \
% 7}]]}]
}
b - h { # Name of month, abbreviated.
append formatString %s
append substituents \
[string map \
[list @MONTHS_ABBREV@ \
[list [mc MONTHS_ABBREV]]] \
{ [lindex @MONTHS_ABBREV@ \
[expr {[dict get $date month]-1}]]}]
}
B { # Name of month, spelt out
append formatString %s
append substituents \
[string map \
[list @MONTHS_FULL@ \
[list [mc MONTHS_FULL]]] \
{ [lindex @MONTHS_FULL@ \
[expr {[dict get $date month]-1}]]}]
}
C { # Century number
append formatString %02d
append substituents \
{ [expr {[dict get $date year] / 100}]}
}
d { # Day of month, with leading zero
append formatString %02d
append substituents { [dict get $date dayOfMonth]}
}
e { # Day of month, without leading zero
append formatString %2d
append substituents { [dict get $date dayOfMonth]}
}
E { # Format group in a locale-dependent
# alternative era
set state percentE
if {!$didLocaleEra} {
append preFormatCode \
[string map \
[list @LOCALE_ERAS@ \
[list [mc LOCALE_ERAS]]] \
{
set date [GetLocaleEra \
$date[set date {}] \
@LOCALE_ERAS@]}] \n
set didLocaleEra 1
}
if {!$didLocaleNumerals} {
append preFormatCode \
[list set localeNumerals \
[mc LOCALE_NUMERALS]] \n
set didLocaleNumerals 1
}
}
g { # Two-digit year relative to ISO8601
# week number
append formatString %02d
append substituents \
{ [expr { [dict get $date iso8601Year] % 100 }]}
}
G { # Four-digit year relative to ISO8601
# week number
append formatString %02d
append substituents { [dict get $date iso8601Year]}
}
H { # Hour in the 24-hour day, leading zero
append formatString %02d
append substituents \
{ [expr { [dict get $date localSeconds] \
/ 3600 % 24}]}
}
I { # Hour AM/PM, with leading zero
append formatString %02d
append substituents \
{ [expr { ( ( ( [dict get $date localSeconds] \
% 86400 ) \
+ 86400 \
- 3600 ) \
/ 3600 ) \
% 12 + 1 }] }
}
j { # Day of year (001-366)
append formatString %03d
append substituents { [dict get $date dayOfYear]}
}
J { # Julian Day Number
append formatString %07ld
append substituents { [dict get $date julianDay]}
}
k { # Hour (0-23), no leading zero
append formatString %2d
append substituents \
{ [expr { [dict get $date localSeconds]
/ 3600
% 24 }]}
}
l { # Hour (12-11), no leading zero
append formatString %2d
append substituents \
{ [expr { ( ( ( [dict get $date localSeconds]
% 86400 )
+ 86400
- 3600 )
/ 3600 )
% 12 + 1 }]}
}
m { # Month number, leading zero
append formatString %02d
append substituents { [dict get $date month]}
}
M { # Minute of the hour, leading zero
append formatString %02d
append substituents \
{ [expr { [dict get $date localSeconds]
/ 60
% 60 }]}
}
n { # A literal newline
append formatString \n
}
N { # Month number, no leading zero
append formatString %2d
append substituents { [dict get $date month]}
}
O { # A format group in the locale's
# alternative numerals
set state percentO
if {!$didLocaleNumerals} {
append preFormatCode \
[list set localeNumerals \
[mc LOCALE_NUMERALS]] \n
set didLocaleNumerals 1
}
}
p { # Localized 'AM' or 'PM' indicator
# converted to uppercase
append formatString %s
append preFormatCode \
[list set AM [string toupper [mc AM]]] \n \
[list set PM [string toupper [mc PM]]] \n
append substituents \
{ [expr {(([dict get $date localSeconds]
% 86400) < 43200) ?
$AM : $PM}]}
}
P { # Localized 'AM' or 'PM' indicator
append formatString %s
append preFormatCode \
[list set am [mc AM]] \n \
[list set pm [mc PM]] \n
append substituents \
{ [expr {(([dict get $date localSeconds]
% 86400) < 43200) ?
$am : $pm}]}
}
Q { # Hi, Jeff!
append formatString %s
append substituents { [FormatStarDate $date]}
}
s { # Seconds from the Posix Epoch
append formatString %s
append substituents { [dict get $date seconds]}
}
S { # Second of the minute, with
# leading zero
append formatString %02d
append substituents \
{ [expr { [dict get $date localSeconds]
% 60 }]}
}
t { # A literal tab character
append formatString \t
}
u { # Day of the week (1-Monday, 7-Sunday)
append formatString %1d
append substituents { [dict get $date dayOfWeek]}
}
U { # Week of the year (00-53). The
# first Sunday of the year is the
# first day of week 01
append formatString %02d
append preFormatCode {
set dow [dict get $date dayOfWeek]
if { $dow == 7 } {
set dow 0
}
incr dow
set UweekNumber \
[expr { ( [dict get $date dayOfYear]
- $dow + 7 )
/ 7 }]
}
append substituents { $UweekNumber}
}
V { # The ISO8601 week number
append formatString %02d
append substituents { [dict get $date iso8601Week]}
}
w { # Day of the week (0-Sunday,
# 6-Saturday)
append formatString %1d
append substituents \
{ [expr { [dict get $date dayOfWeek] % 7 }]}
}
W { # Week of the year (00-53). The first
# Monday of the year is the first day
# of week 01.
append preFormatCode {
set WweekNumber \
[expr { ( [dict get $date dayOfYear]
- [dict get $date dayOfWeek]
+ 7 )
/ 7 }]
}
append formatString %02d
append substituents { $WweekNumber}
}
y { # The two-digit year of the century
append formatString %02d
append substituents \
{ [expr { [dict get $date year] % 100 }]}
}
Y { # The four-digit year
append formatString %04d
append substituents { [dict get $date year]}
}
z { # The time zone as hours and minutes
# east (+) or west (-) of Greenwich
append formatString %s
append substituents { [FormatNumericTimeZone \
[dict get $date tzOffset]]}
}
Z { # The name of the time zone
append formatString %s
append substituents { [dict get $date tzName]}
}
% { # A literal percent character
append formatString %%
}
default { # An unknown escape sequence
append formatString %% $char
}
}
}
percentE { # Character following %E
set state {}
switch -exact -- $char {
E {
append formatString %s
append substituents { } \
[string map \
[list @BCE@ [list [mc BCE]] \
@CE@ [list [mc CE]]] \
{[dict get {BCE @BCE@ CE @CE@} \
[dict get $date era]]}]
}
C { # Locale-dependent era
append formatString %s
append substituents { [dict get $date localeEra]}
}
y { # Locale-dependent year of the era
append preFormatCode {
set y [dict get $date localeYear]
if { $y >= 0 && $y < 100 } {
set Eyear [lindex $localeNumerals $y]
} else {
set Eyear $y
}
}
append formatString %s
append substituents { $Eyear}
}
default { # Unknown %E format group
append formatString %%E $char
}
}
}
percentO { # Character following %O
set state {}
switch -exact -- $char {
d - e { # Day of the month in alternative
# numerals
append formatString %s
append substituents \
{ [lindex $localeNumerals \
[dict get $date dayOfMonth]]}
}
H - k { # Hour of the day in alternative
# numerals
append formatString %s
append substituents \
{ [lindex $localeNumerals \
[expr { [dict get $date localSeconds]
/ 3600
% 24 }]]}
}
I - l { # Hour (12-11) AM/PM in alternative
# numerals
append formatString %s
append substituents \
{ [lindex $localeNumerals \
[expr { ( ( ( [dict get $date localSeconds]
% 86400 )
+ 86400
- 3600 )
/ 3600 )
% 12 + 1 }]]}
}
m { # Month number in alternative numerals
append formatString %s
append substituents \
{ [lindex $localeNumerals [dict get $date month]]}
}
M { # Minute of the hour in alternative
# numerals
append formatString %s
append substituents \
{ [lindex $localeNumerals \
[expr { [dict get $date localSeconds]
/ 60
% 60 }]]}
}
S { # Second of the minute in alternative
# numerals
append formatString %s
append substituents \
{ [lindex $localeNumerals \
[expr { [dict get $date localSeconds]
% 60 }]]}
}
u { # Day of the week (Monday=1,Sunday=7)
# in alternative numerals
append formatString %s
append substituents \
{ [lindex $localeNumerals \
[dict get $date dayOfWeek]]}
}
w { # Day of the week (Sunday=0,Saturday=6)
# in alternative numerals
append formatString %s
append substituents \
{ [lindex $localeNumerals \
[expr { [dict get $date dayOfWeek] % 7 }]]}
}
y { # Year of the century in alternative
# numerals
append formatString %s
append substituents \
{ [lindex $localeNumerals \
[expr { [dict get $date year] % 100 }]]}
}
default { # Unknown format group
append formatString %%O $char
}
}
}
}
}
# Clean up any improperly terminated groups
switch -exact -- $state {
percent {
append formatString %%
}
percentE {
append retval %%E
}
percentO {
append retval %%O
}
}
proc $procName {clockval timezone} "
$preFormatCode
return \[::format [list $formatString] $substituents\]
"
# puts [list $procName [info args $procName] [info body $procName]]
return $procName
}
#----------------------------------------------------------------------
#
# clock scan --
#
# Inputs a count of seconds since the Posix Epoch as a time of day.
#
# The 'clock format' command scans times of day on input. Refer to the user
# documentation to see what it does.
#
#----------------------------------------------------------------------
proc ::tcl::clock::scan { args } {
set format {}
# Check the count of args
if { [llength $args] < 1 || [llength $args] % 2 != 1 } {
set cmdName "clock scan"
return -code error \
-errorcode [list CLOCK wrongNumArgs] \
"wrong \# args: should be\
\"$cmdName string\
?-base seconds?\
?-format string? ?-gmt boolean?\
?-locale LOCALE? ?-timezone ZONE?\""
}
# Set defaults
set base [clock seconds]
set string [lindex $args 0]
set format {}
set gmt 0
set locale c
set timezone [GetSystemTimeZone]
# Pick up command line options.
foreach { flag value } [lreplace $args 0 0] {
set saw($flag) {}
switch -exact -- $flag {
-b - -ba - -bas - -base {
set base $value
}
-f - -fo - -for - -form - -forma - -format {
set format $value
}
-g - -gm - -gmt {
set gmt $value
}
-l - -lo - -loc - -loca - -local - -locale {
set locale [string tolower $value]
}
-t - -ti - -tim - -time - -timez - -timezo - -timezon - -timezone {
set timezone $value
}
default {
return -code error \
-errorcode [list CLOCK badOption $flag] \
"bad option \"$flag\",\
must be -base, -format, -gmt, -locale or -timezone"
}
}
}
# Check options for validity
if { [info exists saw(-gmt)] && [info exists saw(-timezone)] } {
return -code error \
-errorcode [list CLOCK gmtWithTimezone] \
"cannot use -gmt and -timezone in same call"
}
if { [catch { expr { wide($base) } } result] } {
return -code error "expected integer but got \"$base\""
}
if { ![string is boolean -strict $gmt] } {
return -code error "expected boolean value but got \"$gmt\""
} elseif { $gmt } {
set timezone :GMT
}
if { ![info exists saw(-format)] } {
# Perhaps someday we'll localize the legacy code. Right now, it's not
# localized.
if { [info exists saw(-locale)] } {
return -code error \
-errorcode [list CLOCK flagWithLegacyFormat] \
"legacy \[clock scan\] does not support -locale"
}
return [FreeScan $string $base $timezone $locale]
}
# Change locale if a fresh locale has been given on the command line.
EnterLocale $locale
try {
# Map away the locale-dependent composite format groups
set scanner [ParseClockScanFormat $format $locale]
return [$scanner $string $base $timezone]
} trap CLOCK {result opts} {
# Conceal location of generation of expected errors
dict unset opts -errorinfo
return -options $opts $result
}
}
#----------------------------------------------------------------------
#
# FreeScan --
#
# Scans a time in free format
#
# Parameters:
# string - String containing the time to scan
# base - Base time, expressed in seconds from the Epoch
# timezone - Default time zone in which the time will be expressed
# locale - (Unused) Name of the locale where the time will be scanned.
#
# Results:
# Returns the date and time extracted from the string in seconds from
# the epoch
#
#----------------------------------------------------------------------
proc ::tcl::clock::FreeScan { string base timezone locale } {
variable TZData
# Get the data for time changes in the given zone
try {
SetupTimeZone $timezone
} on error {retval opts} {
dict unset opts -errorinfo
return -options $opts $retval
}
# Extract year, month and day from the base time for the parser to use as
# defaults
set date [GetDateFields $base $TZData($timezone) 2361222]
dict set date secondOfDay [expr {
[dict get $date localSeconds] % 86400
}]
# Parse the date. The parser will return a list comprising date, time,
# time zone, relative month/day/seconds, relative weekday, ordinal month.
try {
set scanned [Oldscan $string \
[dict get $date year] \
[dict get $date month] \
[dict get $date dayOfMonth]]
lassign $scanned \
parseDate parseTime parseZone parseRel \
parseWeekday parseOrdinalMonth
} on error message {
return -code error \
"unable to convert date-time string \"$string\": $message"
}
# If the caller supplied a date in the string, update the 'date' dict with
# the value. If the caller didn't specify a time with the date, default to
# midnight.
if { [llength $parseDate] > 0 } {
lassign $parseDate y m d
if { $y < 100 } {
if { $y >= 39 } {
incr y 1900
} else {
incr y 2000
}
}
dict set date era CE
dict set date year $y
dict set date month $m
dict set date dayOfMonth $d
if { $parseTime eq {} } {
set parseTime 0
}
}
# If the caller supplied a time zone in the string, it comes back as a
# two-element list; the first element is the number of minutes east of
# Greenwich, and the second is a Daylight Saving Time indicator (1 == yes,
# 0 == no, -1 == unknown). We make it into a time zone indicator of
# +-hhmm.
if { [llength $parseZone] > 0 } {
lassign $parseZone minEast dstFlag
set timezone [FormatNumericTimeZone \
[expr { 60 * $minEast + 3600 * $dstFlag }]]
SetupTimeZone $timezone
}
dict set date tzName $timezone
# Assemble date, time, zone into seconds-from-epoch
set date [GetJulianDayFromEraYearMonthDay $date[set date {}] 2361222]
if { $parseTime ne {} } {
dict set date secondOfDay $parseTime
} elseif { [llength $parseWeekday] != 0
|| [llength $parseOrdinalMonth] != 0
|| ( [llength $parseRel] != 0
&& ( [lindex $parseRel 0] != 0
|| [lindex $parseRel 1] != 0 ) ) } {
dict set date secondOfDay 0
}
dict set date localSeconds [expr {
-210866803200
+ ( 86400 * wide([dict get $date julianDay]) )
+ [dict get $date secondOfDay]
}]
dict set date tzName $timezone
set date [ConvertLocalToUTC $date[set date {}] $TZData($timezone) 2361222]
set seconds [dict get $date seconds]
# Do relative times
if { [llength $parseRel] > 0 } {
lassign $parseRel relMonth relDay relSecond
set seconds [add $seconds \
$relMonth months $relDay days $relSecond seconds \
-timezone $timezone -locale $locale]
}
# Do relative weekday
if { [llength $parseWeekday] > 0 } {
lassign $parseWeekday dayOrdinal dayOfWeek
set date2 [GetDateFields $seconds $TZData($timezone) 2361222]
dict set date2 era CE
set jdwkday [WeekdayOnOrBefore $dayOfWeek [expr {
[dict get $date2 julianDay] + 6
}]]
incr jdwkday [expr { 7 * $dayOrdinal }]
if { $dayOrdinal > 0 } {
incr jdwkday -7
}
dict set date2 secondOfDay \
[expr { [dict get $date2 localSeconds] % 86400 }]
dict set date2 julianDay $jdwkday
dict set date2 localSeconds [expr {
-210866803200
+ ( 86400 * wide([dict get $date2 julianDay]) )
+ [dict get $date secondOfDay]
}]
dict set date2 tzName $timezone
set date2 [ConvertLocalToUTC $date2[set date2 {}] $TZData($timezone) \
2361222]
set seconds [dict get $date2 seconds]
}
# Do relative month
if { [llength $parseOrdinalMonth] > 0 } {
lassign $parseOrdinalMonth monthOrdinal monthNumber
if { $monthOrdinal > 0 } {
set monthDiff [expr { $monthNumber - [dict get $date month] }]
if { $monthDiff <= 0 } {
incr monthDiff 12
}
incr monthOrdinal -1
} else {
set monthDiff [expr { [dict get $date month] - $monthNumber }]
if { $monthDiff >= 0 } {
incr monthDiff -12
}
incr monthOrdinal
}
set seconds [add $seconds $monthOrdinal years $monthDiff months \
-timezone $timezone -locale $locale]
}
return $seconds
}
#----------------------------------------------------------------------
#
# ParseClockScanFormat --
#
# Parses a format string given to [clock scan -format]
#
# Parameters:
# formatString - The format being parsed
# locale - The current locale
#
# Results:
# Constructs and returns a procedure that accepts the string being
# scanned, the base time, and the time zone. The procedure will either
# return the scanned time or else throw an error that should be rethrown
# to the caller of [clock scan]
#
# Side effects:
# The given procedure is defined in the ::tcl::clock namespace. Scan
# procedures are not deleted once installed.
#
# Why do we parse dates by defining a procedure to parse them? The reason is
# that by doing so, we have one convenient place to cache all the information:
# the regular expressions that match the patterns (which will be compiled),
# the code that assembles the date information, everything lands in one place.
# In this way, when a given format is reused at run time, all the information
# of how to apply it is available in a single place.
#
#----------------------------------------------------------------------
proc ::tcl::clock::ParseClockScanFormat {formatString locale} {
# Check whether the format has been parsed previously, and return the
# existing recognizer if it has.
set procName scanproc'$formatString'$locale
set procName [namespace current]::[string map {: {\:} \\ {\\}} $procName]
if { [namespace which $procName] != {} } {
return $procName
}
variable DateParseActions
variable TimeParseActions
# Localize the %x, %X, etc. groups
set formatString [LocalizeFormat $locale $formatString]
# Condense whitespace
regsub -all {[[:space:]]+} $formatString { } formatString
# Walk through the groups of the format string. In this loop, we
# accumulate:
# - a regular expression that matches the string,
# - the count of capturing brackets in the regexp
# - a set of code that post-processes the fields captured by the regexp,
# - a dictionary whose keys are the names of fields that are present
# in the format string.
set re {^[[:space:]]*}
set captureCount 0
set postcode {}
set fieldSet [dict create]
set fieldCount 0
set postSep {}
set state {}
foreach c [split $formatString {}] {
switch -exact -- $state {
{} {
if { $c eq "%" } {
set state %
} elseif { $c eq " " } {
append re {[[:space:]]+}
} else {
if { ! [string is alnum $c] } {
append re "\\"
}
append re $c
}
}
% {
set state {}
switch -exact -- $c {
% {
append re %
}
{ } {
append re "\[\[:space:\]\]*"
}
a - A { # Day of week, in words
set l {}
foreach \
i {7 1 2 3 4 5 6} \
abr [mc DAYS_OF_WEEK_ABBREV] \
full [mc DAYS_OF_WEEK_FULL] {
dict set l [string tolower $abr] $i
dict set l [string tolower $full] $i
incr i
}
lassign [UniquePrefixRegexp $l] regex lookup
append re ( $regex )
dict set fieldSet dayOfWeek [incr fieldCount]
append postcode "dict set date dayOfWeek \[" \
"dict get " [list $lookup] " " \
\[ {string tolower $field} [incr captureCount] \] \
"\]\n"
}
b - B - h { # Name of month
set i 0
set l {}
foreach \
abr [mc MONTHS_ABBREV] \
full [mc MONTHS_FULL] {
incr i
dict set l [string tolower $abr] $i
dict set l [string tolower $full] $i
}
lassign [UniquePrefixRegexp $l] regex lookup
append re ( $regex )
dict set fieldSet month [incr fieldCount]
append postcode "dict set date month \[" \
"dict get " [list $lookup] \
" " \[ {string tolower $field} \
[incr captureCount] \] \
"\]\n"
}
C { # Gregorian century
append re \\s*(\\d\\d?)
dict set fieldSet century [incr fieldCount]
append postcode "dict set date century \[" \
"::scan \$field" [incr captureCount] " %d" \
"\]\n"
}
d - e { # Day of month
append re \\s*(\\d\\d?)
dict set fieldSet dayOfMonth [incr fieldCount]
append postcode "dict set date dayOfMonth \[" \
"::scan \$field" [incr captureCount] " %d" \
"\]\n"
}
E { # Prefix for locale-specific codes
set state %E
}
g { # ISO8601 2-digit year
append re \\s*(\\d\\d)
dict set fieldSet iso8601YearOfCentury \
[incr fieldCount]
append postcode \
"dict set date iso8601YearOfCentury \[" \
"::scan \$field" [incr captureCount] " %d" \
"\]\n"
}
G { # ISO8601 4-digit year
append re \\s*(\\d\\d)(\\d\\d)
dict set fieldSet iso8601Century [incr fieldCount]
dict set fieldSet iso8601YearOfCentury \
[incr fieldCount]
append postcode \
"dict set date iso8601Century \[" \
"::scan \$field" [incr captureCount] " %d" \
"\]\n" \
"dict set date iso8601YearOfCentury \[" \
"::scan \$field" [incr captureCount] " %d" \
"\]\n"
}
H - k { # Hour of day
append re \\s*(\\d\\d?)
dict set fieldSet hour [incr fieldCount]
append postcode "dict set date hour \[" \
"::scan \$field" [incr captureCount] " %d" \
"\]\n"
}
I - l { # Hour, AM/PM
append re \\s*(\\d\\d?)
dict set fieldSet hourAMPM [incr fieldCount]
append postcode "dict set date hourAMPM \[" \
"::scan \$field" [incr captureCount] " %d" \
"\]\n"
}
j { # Day of year
append re \\s*(\\d\\d?\\d?)
dict set fieldSet dayOfYear [incr fieldCount]
append postcode "dict set date dayOfYear \[" \
"::scan \$field" [incr captureCount] " %d" \
"\]\n"
}
J { # Julian Day Number
append re \\s*(\\d+)
dict set fieldSet julianDay [incr fieldCount]
append postcode "dict set date julianDay \[" \
"::scan \$field" [incr captureCount] " %ld" \
"\]\n"
}
m - N { # Month number
append re \\s*(\\d\\d?)
dict set fieldSet month [incr fieldCount]
append postcode "dict set date month \[" \
"::scan \$field" [incr captureCount] " %d" \
"\]\n"
}
M { # Minute
append re \\s*(\\d\\d?)
dict set fieldSet minute [incr fieldCount]
append postcode "dict set d