X-Git-Url: http://gb7djk.dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FDXUtil.pm;h=56e36d4220ba05bc43a6bd3195c4efa672a19b81;hb=78cf2dcb9be8128af7f8dc5ae37540c9c53c6057;hp=994cdd981a735c4753aeedbedac8c46d08b1ea82;hpb=d5b4190c36f130852973121042876af3c5642cd7;p=spider.git diff --git a/perl/DXUtil.pm b/perl/DXUtil.pm index 994cdd98..56e36d42 100644 --- a/perl/DXUtil.pm +++ b/perl/DXUtil.pm @@ -9,15 +9,24 @@ package DXUtil; use Date::Parse; -use Carp; +use IO::File; +use Data::Dumper; 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 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); +%patmap = ( + '*' => '.*', + '?' => '.', + '[' => '[', + ']' => ']' +); # a full time for logging and other purposes sub atime @@ -33,18 +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; @@ -54,8 +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"; } @@ -64,9 +76,17 @@ 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 : $r; } # turn a latitude in degrees into a string @@ -110,11 +130,24 @@ sub promptf if ($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 { @@ -152,12 +185,190 @@ sub print_all_fields 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); + 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; } +# 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 '^' . $in . "\$"; +} + +# read in a file into a string and return it. +# the filename can be split into a dir and file and the +# file can be in upper or lower case. +# there can also be a suffix +sub readfilestr +{ + my ($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; + } +} + +# 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; +}