X-Git-Url: http://dxcluster.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FDXUtil.pm;h=ac2b63e42a282212f79a8627e04468dca957f115;hb=88c2b296ba903fdd356e351b83fcb844e2d6eacd;hp=81bace8ca1271ebc45021e3175cb80edc940592a;hpb=69c8aeb338cc485103e289fbab7ec4e7e056ed20;p=spider.git

diff --git a/perl/DXUtil.pm b/perl/DXUtil.pm
index 81bace8c..ac2b63e4 100644
--- a/perl/DXUtil.pm
+++ b/perl/DXUtil.pm
@@ -9,15 +9,25 @@
 package DXUtil;
 
 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
-             print_all_fields cltounix 
+@EXPORT = qw(atime ztime cldate cldatetime slat slong yesno promptf 
+			 parray parraypairs shellregex readfilestr writefilestr
+             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
@@ -46,7 +56,7 @@ sub cldate
 	my $t = shift;
 	my ($sec,$min,$hour,$mday,$mon,$year) = gmtime((defined $t) ? $t : time);
 	$year += 1900;
-	my $buf = sprintf "%02d-%s-%04d", $mday, $month[$mon], $year;
+	my $buf = sprintf "%2d-%s-%04d", $mday, $month[$mon], $year;
 	return $buf;
 }
 
@@ -64,9 +74,17 @@ sub cltounix
 {
 	my $date = shift;
 	my $time = shift;
-	$date =~ s/^\s*(\d+)-(\w\w\w)-(19\d\d)$/$1 $2 $3/;
-	$time =~ s/^(\d\d)(\d\d)Z$/$1:$2 +0000/;
-	return str2time("$date $time");
+	my ($thisyear) = (gmtime)[5] + 1900;
+
+	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 $time =~ /^([012]\d)([012345]\d)Z$/;
+	$time = "$1:$2 +0000";
+	my $r = str2time("$date $time");
+	return $r unless $r;
+	return $r == -1 ? undef : $r;
 }
 
 # turn a latitude in degrees into a string
@@ -148,13 +166,11 @@ sub print_all_fields
 {
 	my $self = shift;			# is a dxchan
 	my $ref = shift;			# is a thingy with field_prompt and fields methods defined
-	my @out = @_;
- 
+	my @out;
 	my @fields = $ref->fields;
 	my $field;
-	my @out;
 
-	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);
@@ -163,3 +179,102 @@ sub print_all_fields
 	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 $call =~ /^\d+\w+/;
+	return undef;
+}
+
+# read in a file into a string and return it. 
+# the filename can be split into a dir and file and the 
+# file can be in upper or lower case.
+# there can also be a suffix
+sub readfilestr
+{
+	my ($dir, $file, $suffix) = @_;
+	my $fn;
+	my $f;
+	if ($suffix) {
+		$f = uc $file;
+		$fn = "$dir/$f.$suffix";
+		unless (-e $fn) {
+			$f = lc $file;
+			$fn = "$dir/$file.$suffix";
+		}
+	} elsif ($file) {
+		$f = uc $file;
+		$fn = "$dir/$file";
+		unless (-e $fn) {
+			$f = lc $file;
+			$fn = "$dir/$file";
+		}
+	} else {
+		$fn = $dir;
+	}
+
+	my $fh = new IO::File $fn;
+	my $s = undef;
+	if ($fh) {
+		local $/ = undef;
+		$s = <$fh>;
+		$fh->close;
+	}
+	return $s;
+}
+
+# write out a file in the format required for reading
+# in via readfilestr, it expects the same arguments 
+# and a reference to an object
+sub writefilestr
+{
+	my $dir = shift;
+	my $file = shift;
+	my $suffix = shift;
+	my $obj = shift;
+	my $fn;
+	my $f;
+	
+	confess('no object to write in writefilestr') unless $obj;
+	confess('object not a reference in writefilestr') unless ref $obj;
+	
+	if ($suffix) {
+		$f = uc $file;
+		$fn = "$dir/$f.$suffix";
+		unless (-e $fn) {
+			$f = lc $file;
+			$fn = "$dir/$file.$suffix";
+		}
+	} elsif ($file) {
+		$f = uc $file;
+		$fn = "$dir/$file";
+		unless (-e $fn) {
+			$f = lc $file;
+			$fn = "$dir/$file";
+		}
+	} else {
+		$fn = $dir;
+	}
+
+	my $fh = new IO::File ">$fn";
+	if ($fh) {
+		my $dd = new Data::Dumper([ $obj ]);
+		$dd->Indent(1);
+		$dd->Terse(1);
+		$dd->Quotekeys(0);
+		#	$fh->print(@_) if @_ > 0;     # any header comments, lines etc
+		$fh->print($dd->Dumpxs);
+		$fh->close;
+	}
+}