139 lines
2.4 KiB
Perl
139 lines
2.4 KiB
Perl
#!/usr/bin/perl
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# zoneinfo2lua.pl - Make Lua module from /usr/share/zoneinfo
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# Execute from within /usr/share/zoneinfo
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# $Id: zoneinfo2lua.pl 3860 2008-12-06 03:18:14Z jow $
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use strict;
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my %TZ;
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local $/ = "\012";
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open( ZTAB, "< ./zone.tab" ) || die "Unable to open zone.tab: $!";
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while( ! eof ZTAB ) {
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chomp( my $line = readline ZTAB );
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next if $line =~ /^#/ || $line =~ /^\s+$/;
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my ( undef, undef, $zone, @comment ) = split /\s+/, $line;
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printf STDERR "%-40s", $zone;
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if( open ZONE, "< ./$zone" ) {
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seek ZONE, -2, 2;
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while( tell(ZONE) > 0 ) {
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read ZONE, my $char, 1;
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( $char eq "\012" ) ? last : seek ZONE, -2, 1;
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}
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chomp( my $tz = readline ZONE );
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print STDERR ( $tz || "(no tzinfo found)" ), "\n";
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close ZONE;
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if( $tz ) {
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$zone =~ s/_/ /g;
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$TZ{$zone} = $tz;
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}
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}
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else
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{
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print STDERR "Unable to open $zone: $!\n";
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}
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}
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close ZTAB;
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print <<HEAD;
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--[[
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LuCI - Autogenerated Zoneinfo Module
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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]]--
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module "luci.sys.zoneinfo"
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TZ = {
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HEAD
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foreach my $zone ( sort keys %TZ ) {
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printf "\t{ '%s', '%s' },\n", $zone, $TZ{$zone}
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}
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print <<HEAD;
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}
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OFFSET = {
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HEAD
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my %seen;
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foreach my $tz ( sort keys %TZ ) {
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my $zone = $TZ{$tz};
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if( $zone =~ /^
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([A-Z]+)
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(?:
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( -? \d+ (?: : \d+ )? )
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(?:
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([A-Z]+)
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( -? \d+ (?: : \d+ )? )?
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)?
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)?
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\b /xo ) {
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my ( $offset, $s, $h, $m ) = ( 0, 1, 0, 0 );
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my ( $std, $soffset, $dst, $doffset ) = ( $1, $2, $3, $4 );
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next if $seen{$std}; # and ( !$dst or $seen{$dst} );
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if ( $soffset ) {
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( $s, $h, $m ) = $soffset =~ /^(-)?(\d+)(?::(\d+))?$/;
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$s = $s ? 1 : -1;
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$h ||= 0;
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$m ||= 0;
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$offset = $s * $h * 60 * 60;
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$offset += $s * $m * 60;
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printf("\t%-5s = %6d,\t-- %s\n",
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lc($std), $offset, $std);
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$seen{$std} = 1;
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if( $dst ) {
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if( $doffset ) {
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( $s, $h, $m ) = $doffset =~ /^(-)?(\d+)(?::(\d+))?$/;
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$s = $s ? 1 : -1;
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$h ||= 0;
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$m ||= 0;
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$offset = $s * $h * 60 * 60;
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$offset += $s * $m * 60;
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} else {
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$offset += 60 * 60;
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}
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printf("\t%-5s = %6d,\t-- %s\n",
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lc($dst), $offset, $dst);
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$seen{$dst} = 1;
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}
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}
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else {
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printf("\t%-5s = %6d,\t-- %s\n",
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lc($std), $offset, $std);
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$seen{$std} = 1;
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}
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}
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}
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print "}\n";
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