1. Sort out PC41 handling to include type 5 records for QRA locators and also

[spider.git] / perl / DXUtil.pm

diff --git a/perl/DXUtil.pm b/perl/DXUtil.pm
index ac2b63e42a282212f79a8627e04468dca957f115..56e36d4220ba05bc43a6bd3195c4efa672a19b81 100644 (file)
--- a/perl/DXUtil.pm
+++ b/perl/DXUtil.pm
@@ -12,13 +12,12 @@ use Date::Parse;
 use IO::File;
 use Data::Dumper;
 
-use Carp;
-
 require Exporter;
 @ISA = qw(Exporter);
 @EXPORT = qw(atime ztime cldate cldatetime slat slong yesno promptf 
-                        parray parraypairs shellregex readfilestr writefilestr
-             print_all_fields cltounix iscallsign
+                        parray parraypairs phex shellregex readfilestr writefilestr
+             print_all_fields cltounix unpad is_callsign is_latlong
+                        is_qra is_freq is_digits is_pctext is_pcflag insertitem deleteitem
             );
 
 @month = qw(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec);
@@ -43,18 +42,20 @@ sub atime
 sub ztime
 {
        my $t = shift;
-       my ($sec,$min,$hour) = gmtime((defined $t) ? $t : time);
-       $year += 1900;
-       my $buf = sprintf "%02d%02dZ", $hour, $min;
+       $t = defined $t ? $t : time;
+       my $dst = shift;
+       my ($sec,$min,$hour) = $dst ? localtime($t): gmtime($t);
+       my $buf = sprintf "%02d%02d%s", $hour, $min, ($dst) ? '' : 'Z';
        return $buf;
-
 }
 
 # get a cluster format date (23-Jun-1998)
 sub cldate
 {
        my $t = shift;
-       my ($sec,$min,$hour,$mday,$mon,$year) = gmtime((defined $t) ? $t : time);
+       $t = defined $t ? $t : time;
+       my $dst = shift;
+       my ($sec,$min,$hour,$mday,$mon,$year) = $dst ? localtime($t) : gmtime($t);
        $year += 1900;
        my $buf = sprintf "%2d-%s-%04d", $mday, $month[$mon], $year;
        return $buf;
@@ -64,8 +65,9 @@ sub cldate
 sub cldatetime
 {
        my $t = shift;
-       my $date = cldate($t);
-       my $time = ztime($t);
+       my $dst = shift;
+       my $date = cldate($t, $dst);
+       my $time = ztime($t, $dst);
        return "$date $time";
 }
 
@@ -128,11 +130,24 @@ sub promptf
        if ($action) {
                my $q = qq{\$value = $action(\$value)};
                eval $q;
+       } elsif (ref $value) {
+               my $dd = new Data::Dumper([$value]);
+               $dd->Indent(0);
+               $dd->Terse(1);
+               $dd->Quotekeys(0);
+               $value = $dd->Dumpxs;
        }
        $prompt = sprintf "%15s: %s", $prompt, $value;
        return ($priv, $prompt);
 }
 
+# turn a hex field into printed hex
+sub phex
+{
+       my $val = shift;
+       return sprintf '%X', $val;
+}
+
 # take an arg as an array list and print it
 sub parray
 {
@@ -173,7 +188,22 @@ sub print_all_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);
+                       my @tmp;
+                       if (length $ans > 79) {
+                               my ($p, $a) = split /: /, $ans, 2;
+                               my $l = (length $p) + 2;
+                               my $al = 79 - $l;
+                               my $bit;
+                               while (length $a > $al ) {
+                                       ($bit, $a) = unpack "A$al A*", $a;
+                                       push @tmp, "$p: $bit";
+                                       $p = ' ' x ($l - 2);
+                               }
+                               push @tmp, "$p: $a" if length $a;
+                       } else {
+                               push @tmp, $ans;
+                       }
+                       push @out, @tmp if ($self->priv >= $priv);
                }
        }
        return @out;
@@ -188,15 +218,6 @@ sub shellregex
        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;
-}
-
 # read in a file into a string and return it. 
 # the filename can be split into a dir and file and the 
 # file can be in upper or lower case.
@@ -278,3 +299,76 @@ sub writefilestr
                $fh->close;
        }
 }
+
+# remove leading and trailing spaces from an input string
+sub unpad
+{
+       my $s = shift;
+       $s =~ s/\s+$//;
+       $s =~ s/^\s+//;
+       return $s;
+}
+
+# check that a field only has callsign characters in it
+sub is_callsign
+{
+       return $_[0] =~ /^(?:[A-Z]{1,2}\d+|\d[A-Z]\d+)[A-Z]+(?:-\d{1,2}|\/[A-Z0-9]+)?$/;
+}
+
+# check that a PC protocol field is valid text
+sub is_pctext
+{
+       return $_[0] =~ /^[\x09\x20-\xFF]+$/;
+}
+
+# check that a PC prot flag is fairly valid (doesn't check the difference between 1/0 and */-)
+sub is_pcflag
+{
+       return $_[0] =~ /^[01\*\-]+$/;
+}
+
+# check that a thing is a frequency
+sub is_freq
+{
+       return $_[0] =~ /^[\d\.]+$/;
+}
+
+# check that a thing is just digits
+sub is_digits
+{
+       return $_[0] =~ /^[\d]+$/;
+}
+
+# does it look like a qra locator?
+sub is_qra
+{
+       return $_[0] =~ /^[A-Za-z][A-Za-z]\d\d[A-Za-z][A-Za-z]$/o;
+}
+
+# does it look like a valid lat/long
+sub is_latlong
+{
+       return $_[0] =~ /^\s*\d{1,2}\s+\d{1,2}\s*[NnSs]\s+\d{1,2}\s+\d{1,2}\s*[EeWw]\s*$/;
+}
+
+# insert an item into a list if it isn't already there returns 1 if there 0 if not
+sub insertitem
+{
+       my $list = shift;
+       my $item = shift;
+       
+       return 1 if grep {$_ eq $item } @$list;
+       push @$list, $item;
+       return 0;
+}
+
+# delete an item from a list if it is there returns no deleted 
+sub deleteitem
+{
+       my $list = shift;
+       my $item = shift;
+       my $n = @$list;
+       
+       @$list = grep {$_ ne $item } @$list;
+       return $n - @$list;
+}