improve DXQsl handling and fix crashes?

[spider.git] / perl / QSL.pm

diff --git a/perl/QSL.pm b/perl/QSL.pm
index 20d5c6143f139e656ab3a4c325fa7a1872fa78da..1031c953eaa9523142c19b8b7ea55faf2c578e0d 100644 (file)
--- a/perl/QSL.pm
+++ b/perl/QSL.pm
@@ -14,9 +14,10 @@ use DB_File;
 use DXDebug;
 use Prefix;
 
-use vars qw($qslfn $dbm);
+use vars qw($qslfn $dbm $maxentries);
 $qslfn = 'qsl';
 $dbm = undef;
+$maxentries = 50;
 
 sub init
 {
@@ -37,6 +38,7 @@ sub init
        }
        import Storable qw(nfreeze freeze thaw);
        my %u;
+       undef $dbm;
        if ($mode) {
                $dbm = tie (%u, 'DB_File', $ufn, O_CREAT|O_RDWR, 0666, $DB_BTREE) or confess "can't open qsl file: $qslfn ($!)";
        } else {
@@ -65,19 +67,24 @@ sub update
        my $t = shift;
        my $by = shift;
        my $changed;
-                       
+
+       return unless length $line && $line =~ /\b(?:QSL|VIA)\b/i;
        foreach my $man (split /\b/, uc $line) {
                my $tok;
                
-               if (is_callsign($man)) {
+               if (is_callsign($man) && !is_qra($man)) {
                        my @pre = Prefix::extract($man);
                        $tok = $man if @pre && $pre[0] ne 'Q';
                } elsif ($man =~ /^BUR/) {
                        $tok = 'BUREAU';
+               } elsif ($man =~ /^LOTW/) {
+                       $tok = 'LOTW';
                } elsif ($man eq 'HC' || $man =~ /^HOM/ || $man =~ /^DIR/) {
                        $tok = 'HOME CALL';
                } elsif ($man =~ /^QRZ/) {
                        $tok = 'QRZ.com';
+               } else {
+                       next;
                }
                if ($tok) {
                        my ($r) = grep {$_->[0] eq $tok} @{$self->[1]};
@@ -93,6 +100,8 @@ sub update
                                unshift @{$self->[1]}, $r;
                                $changed++;
                        }
+                       # prune the number of entries
+                       pop @{$self->[1]} while (@{$self->[1]} > $maxentries);
                }
        }
        $self->put if $changed;