require Exporter;
@ISA = qw(Exporter);
-@EXPORT = qw(atime ztime cldate cldatetime slat slong yesno promptf parray parraypairs
- print_all_fields cltounix
+@EXPORT = qw(atime ztime cldate cldatetime slat slong yesno promptf
+ parray parraypairs shellregex
+ print_all_fields cltounix iscallsign
);
@month = qw(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec);
+%patmap = (
+ '*' => '.*',
+ '?' => '.',
+ '[' => '[',
+ ']' => ']'
+);
# a full time for logging and other purposes
sub atime
{
my $date = shift;
my $time = shift;
+ my ($thisyear) = (gmtime)[5] + 1900;
- return 0 unless /^\s*(\d+)-(\w\w\w)-([12][90]\d\d)$/;
+ return 0 unless $date =~ /^\s*(\d+)-(\w\w\w)-([12][90]\d\d)$/;
+ return 0 if $3 > 2036;
+ return 0 unless abs($thisyear-$3) <= 1;
$date = "$1 $2 $3";
- return 0 unless /^(\d\d)(\d\d)Z$/;
+ return 0 unless $time =~ /^([012]\d)([012345]\d)Z$/;
$time = "$1:$2 +0000";
- return str2time("$date $time");
+ my $r = str2time("$date $time");
+ return $r unless $r;
+ return $r == -1 ? undef : $r;
}
# turn a latitude in degrees into a string
my @fields = $ref->fields;
my $field;
- foreach $field (sort @fields) {
+ foreach $field (sort {$ref->field_prompt($a) cmp $ref->field_prompt($b)} @fields) {
if (defined $ref->{$field}) {
my ($priv, $ans) = promptf($ref->field_prompt($field), $ref->{$field});
push @out, $ans if ($self->priv >= $priv);
return @out;
}
+# generate a regex from a shell type expression
+# see 'perl cookbook' 6.9
+sub shellregex
+{
+ my $in = shift;
+ $in =~ s{(.)} { $patmap{$1} || "\Q$1" }ge;
+ return '^' . $in . "\$";
+}
+
+# start an attempt at determining whether this string might be a callsign
+sub iscallsign
+{
+ my $call = shift;
+ return 1 if $call =~ /^\w+\d+/;
+ return 1 if $call =~ /^\d+\w+/;
+ return undef;
+}