#!/usr/bin/perl
# zoneinfo2lua.pl - Make Lua module from /usr/share/zoneinfo
-# Execute from within /usr/share/zoneinfo
+# Execute from within root of Luci feed, usually feeds/luci
# $Id$
use strict;
my %TZ;
+my $tzdin = $ARGV[0] || "/usr/share/zoneinfo";
+my $tzdout = $ARGV[1] || "./modules/luci-base/luasrc/sys/zoneinfo";
+
local $/ = "\012";
-open( ZTAB, "< ./zone.tab" ) || die "Unable to open zone.tab: $!";
+open( ZTAB, "< $tzdin/zone.tab" ) || die "open($tzdin/zone.tab): $!";
while( ! eof ZTAB ) {
chomp( my $line = readline ZTAB );
printf STDERR "%-40s", $zone;
- if( open ZONE, "< ./$zone" ) {
+ if( open ZONE, "< $tzdin/$zone" ) {
seek ZONE, -2, 2;
while( tell(ZONE) > 0 ) {
}
else
{
- print STDERR "Unable to open $zone: $!\n";
+ print STDERR "open($tzdin/$zone): $!\n";
}
}
close ZTAB;
-print <<HEAD;
---[[
-LuCI - Autogenerated Zoneinfo Module
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
+open(O, "> $tzdout/tzdata.lua") || die "open($tzdout/tzdata.lua): $!\n";
-]]--
+print STDERR "Writing time zones to $tzdout/tzdata.lua ... ";
+print O <<HEAD;
+-- Licensed to the public under the Apache License 2.0.
-module "luci.sys.zoneinfo"
+module "luci.sys.zoneinfo.tzdata"
TZ = {
HEAD
foreach my $zone ( sort keys %TZ ) {
- printf "\t{ '%s', '%s' },\n", $zone, $TZ{$zone}
+ printf O "\t{ '%s', '%s' },\n", $zone, $TZ{$zone}
}
-print "}\n";
+print O "}\n";
+close O;
+
+print STDERR "done\n";
+
+
+open (O, "> $tzdout/tzoffset.lua") || die "open($tzdout/tzoffset.lua): $!\n";
+
+print STDERR "Writing time offsets to $tzdout/tzoffset.lua ... ";
+print O <<HEAD;
+-- Licensed to the public under the Apache License 2.0.
+
+module "luci.sys.zoneinfo.tzoffset"
+
+OFFSET = {
+HEAD
+
+my %seen;
+foreach my $tz ( sort keys %TZ ) {
+ my $zone = $TZ{$tz};
+
+ if( $zone =~ /^
+ ([A-Z]+)
+ (?:
+ ( -? \d+ (?: : \d+ )? )
+ (?:
+ ([A-Z]+)
+ ( -? \d+ (?: : \d+ )? )?
+ )?
+ )?
+ \b /xo ) {
+ my ( $offset, $s, $h, $m ) = ( 0, 1, 0, 0 );
+ my ( $std, $soffset, $dst, $doffset ) = ( $1, $2, $3, $4 );
+
+ next if $seen{$std}; # and ( !$dst or $seen{$dst} );
+
+ if ( $soffset ) {
+ ( $s, $h, $m ) = $soffset =~ /^(-)?(\d+)(?::(\d+))?$/;
+
+ $s = $s ? 1 : -1;
+ $h ||= 0;
+ $m ||= 0;
+
+ $offset = $s * $h * 60 * 60;
+ $offset += $s * $m * 60;
+
+ printf O "\t%-5s = %6d,\t-- %s\n",
+ lc($std), $offset, $std;
+
+ $seen{$std} = 1;
+
+ if( $dst ) {
+ if( $doffset ) {
+ ( $s, $h, $m ) = $doffset =~ /^(-)?(\d+)(?::(\d+))?$/;
+
+ $s = $s ? 1 : -1;
+ $h ||= 0;
+ $m ||= 0;
+
+ $offset = $s * $h * 60 * 60;
+ $offset += $s * $m * 60;
+ } else {
+ $offset += 60 * 60;
+ }
+
+ printf O "\t%-5s = %6d,\t-- %s\n",
+ lc($dst), $offset, $dst;
+
+ $seen{$dst} = 1;
+ }
+ }
+ else {
+ printf O "\t%-5s = %6d,\t-- %s\n",
+ lc($std), $offset, $std;
+
+ $seen{$std} = 1;
+ }
+
+ }
+}
+
+print O "}\n";
+close O;
+
+print STDERR "done\n";