Prepare for git repository

[spider.git] / perl / Filter.pm

diff --git a/perl/Filter.pm b/perl/Filter.pm
index 0ca71917db987cb5637ebe5bec404b1ddb611e64..7879291968fd13fe1d154abd088c7a22a72a2718 100644 (file)
--- a/perl/Filter.pm
+++ b/perl/Filter.pm
@@ -34,12 +34,6 @@ use Prefix;
 
 use strict;
 
-use vars qw($VERSION $BRANCH);
-$VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
-$BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/  || (0,0));
-$main::build += $VERSION;
-$main::branch += $BRANCH;
-
 use vars qw ($filterbasefn $in);
 
 $filterbasefn = "$main::root/filter";
@@ -92,7 +86,9 @@ sub compile
        my $rr;
        
        if ($ref->{$ar} && exists $ref->{$ar}->{asc}) {
-               $ref->{$ar}->{code} = eval "sub { my \$r=shift; return $ref->{$ar}->{asc}; }" ;
+               my $s = $ref->{$ar}->{asc};     # an optimisation?
+               $s =~ s/\$r/\$_[0]/g;
+               $ref->{$ar}->{code} = eval "sub { $s }" ;
                if ($@) {
                        my $sort = $ref->{sort};
                        my $name = $ref->{name};
@@ -114,17 +110,26 @@ sub read_in
                $in = undef; 
                my $s = readfilestr($fn);
                my $newin = eval $s;
-               dbg($@) if $@;
+               if ($@) {
+                       dbg($@);
+                       unlink($fn);
+                       return undef;
+               }
                if ($in) {
                        $newin = new('Filter::Old', $sort, $call, $flag);
                        $newin->{filter} = $in;
-               } else {
+               } elsif (ref $newin && $newin->can('getfilkeys')) {
                        my $filter;
                        my $key;
                        foreach $key ($newin->getfilkeys) {
                                $newin->compile($key, 'reject');
                                $newin->compile($key, 'accept');
                        }
+               } else {
+                       # error on reading file, delete and exit
+                       dbg("empty or unreadable filter: $fn, deleted");
+                       unlink($fn);
+                       return undef;
                }
                return $newin;
        }
@@ -305,7 +310,7 @@ sub install
        } elsif ($name eq 'USER_DEFAULT') {
                @dxchan = DXChannel::get_all_users();
        } else {
-               $dxchan = DXChannel->get($name);
+               $dxchan = DXChannel::get($name);
                push @dxchan, $dxchan if $dxchan;
        }
        foreach $dxchan (@dxchan) {