4 # Copyright (c) - Dirk Koopman G1TLH
18 use vars qw($db %prefix_loc %pre);
20 $db; # the DB_File handle
21 %prefix_loc; # the meat of the info
22 %pre; # the prefix list
31 $db = tie(%pre, "DB_File", undef, O_RDWR|O_CREAT, 0666, $DB_BTREE) or confess "can't tie \%pre ($!)";
33 do "$main::data/prefix_data.pl";
34 # print Data::Dumper->Dump([\%pre, \%prefix_loc], [qw(pre prefix_loc)]);
40 my $fh = new FileHandle;
41 my $fn = "$main::data/prefix_data.pl";
43 confess "Prefix system not started" if !$db;
46 rename "$fn.oooo", "$fn.ooooo" if -e "$fn.oooo";
47 rename "$fn.ooo", "$fn.oooo" if -e "$fn.ooo";
48 rename "$fn.oo", "$fn.ooo" if -e "$fn.oo";
49 rename "$fn.o", "$fn.oo" if -e "$fn.o";
50 rename "$fn", "$fn.o" if -e "$fn";
52 $fh->open(">$fn") or die "Can't open $fn ($!)";
54 # prefix location data
55 $fh->print("%prefix_loc = (\n");
56 foreach $l (sort {$a <=> $b} keys %prefix_loc) {
57 my $r = $prefix_loc{$l};
58 $fh->printf(" $l => bless( { name => '%s', dxcc => %d, itu => %d, utcoff => %d, lat => %f, long => %f }, 'Prefix'),\n",
59 $r->{name}, $r->{dxcc}, $r->{itu}, $r->{cq}, $r->{utcoff}, $r->{lat}, $r->{long});
64 $fh->print("%pre = (\n");
65 foreach $k (sort keys %pre) {
66 $fh->print(" '$k' => [");
67 my @list = @{$pre{$k}};
74 $fh->print("$str ],\n");
80 # what you get is a list that looks like:-
82 # prefix => @list of blessed references to prefix_locs
84 # This routine will only do what you ask for, if you wish to be intelligent
85 # then that is YOUR problem!
96 return () if $db->seq($gotkey, $ref, R_CURSOR);
97 return () if $key ne substr $gotkey, 0, length $key;
99 @outref = map { $prefix_loc{$_} } split ',', $ref;
100 return ($gotkey, @outref);
104 # get the next key that matches, this assumes that you have done a 'get' first
115 return () if $db->seq($gotkey, $ref, R_NEXT);
116 return () if $key ne substr $gotkey, 0, length $key;
118 @outref = map { $prefix_loc{$_} } split ',', $ref;
119 return ($gotkey, @outref);
123 # extract a 'prefix' from a callsign, in other words the largest entity that will
124 # obtain a result from the prefix table.
126 # This is done by repeated probing, callsigns of the type VO1/G1TLH or
127 # G1TLH/VO1 (should) return VO1
139 # first check if the whole thing succeeds
141 return @out if @out > 0 && $out[0] eq $call;
143 # now split the call into parts if required
144 @parts = ($call =~ '/') ? split('/', $call) : ($call);
146 # remove any /0-9 /P /A /M /MM /AM suffixes etc
148 $p = $parts[$#parts];
149 pop @parts if $p =~ /^(\d+|[PABM]|AM|MM|BCN|SIX|Q\w+)$/o;
150 $p = $parts[$#parts];
151 pop @parts if $p =~ /^(\d+|[PABM]|AM|MM|BCN|SIX|Q\w+)$/o;
153 # can we resolve them by direct lookup
154 foreach $p (@parts) {
156 return @out if @out > 0 && $out[0] eq $call;
160 # which is the shortest part (first if equal)?
162 foreach $p (@parts) {
163 $sp = $p if length $sp > length $p;
165 # now start to resolve it from the left hand end
166 for (@out = (), $i = 1; $i <= length $sp; ++$i) {
167 @nout = get(substr($sp, 0, $i));
168 last if @nout > 0 && $nout[0] gt $sp;
174 return (@out > 0) ? @out : ();
178 lat => '0,Latitude,slat',
179 long => '0,Longitude,slong',
184 utcoff => '0,UTC offset',
191 my $name = $AUTOLOAD;
193 return if $name =~ /::DESTROY$/;
196 confess "Non-existant field '$AUTOLOAD'" if !$valid{$name};
198 $self->{$name} = shift;
200 return $self->{$name};
205 # return a prompt for a field
210 my ($self, $ele) = @_;