use DB_File;
use Data::Dumper;
use DXDebug;
+use DXUtil;
+
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 += $BRANCH;
+
use vars qw($db %prefix_loc %pre);
$db = undef; # the DB_File handle
return ($gotkey, @outref);
}
+#
+# search for the nearest match of a prefix string (starting
+# from the RH end of the string passed)
+#
+
+sub matchprefix
+{
+ my $pref = shift;
+
+ for (my $i = length $pref; $i; $i--) {
+ my $s = substr($pref, 0, $i);
+ my @out = get($s);
+ if (isdbg('prefix')) {
+ my $part = $out[0] || "*";
+ $part .= '*' unless $part eq '*' || $part eq $s;
+ dbg("Partial prefix: $pref $s $part" );
+ }
+ return @out if @out && $out[0] eq $s;
+ }
+ return ();
+}
+
#
# extract a 'prefix' from a callsign, in other words the largest entity that will
# obtain a result from the prefix table.
sub extract
{
- my $call = uc shift;
+ my $calls = uc shift;
my @out;
- my @nout;
my $p;
my @parts;
- my ($sp, $i);
-
- # first check if the whole thing succeeds
- @out = get($call);
- return @out if @out > 0 && $out[0] eq $call;
+ my ($call, $sp, $i);
- # now split the call into parts if required
- @parts = ($call =~ '/') ? split('/', $call) : ($call);
-
- # remove any /0-9 /P /A /M /MM /AM suffixes etc
- if (@parts > 1) {
- $p = $parts[0];
- shift @parts if $p =~ /^(WEB|NET)$/o;
- $p = $parts[$#parts];
- pop @parts if $p =~ /^(\d+|[JPABM]|AM|MM|BCN|JOTA|SIX|WEB|NET|Q\w+)$/o;
- $p = $parts[$#parts];
- pop @parts if $p =~ /^(\d+|[JPABM]|AM|MM|BCN|JOTA|SIX|WEB|NET|Q\w+)$/o;
-
- # can we resolve them by direct lookup
- foreach $p (@parts) {
- @out = get($p);
- return @out if @out > 0 && $out[0] eq $call;
+LM: foreach $call (split /,/, $calls) {
+ # first check if the whole thing succeeds
+ my @nout = get($call);
+ if (@nout && $nout[0] eq $call) {
+ dbg("got exact prefix: $nout[0]") if isdbg('prefix');
+ push @out, @nout;
+ next;
}
- }
+
+ # now split the call into parts if required
+ @parts = ($call =~ '/') ? split('/', $call) : ($call);
+ dbg("Parts: $call = " . join(' ', @parts)) if isdbg('prefix');
+
+ # remove any /0-9 /P /A /M /MM /AM suffixes etc
+ if (@parts > 1) {
+ @parts = grep { !/^\d+$/ && !/^[PABM]$/ && !/^(?:|AM|MM|BCN|JOTA|SIX|WEB|NET|Q\w+)$/; } @parts;
+
+ # can we resolve them by direct lookup
+ my $s = join('/', @parts);
+ @nout = get($s);
+ if (@nout && $nout[0] eq $s) {
+ dbg("got exact multipart prefix: $call $s") if isdbg('prefix');
+ push @out, @nout;
+ next;
+ }
+ }
+ dbg("Parts now: $call = " . join(' ', @parts)) if isdbg('prefix');
- # which is the shortest part (first if equal)?
- $sp = $parts[0];
- foreach $p (@parts) {
- $sp = $p if length $sp > length $p;
+ # at this point we should have two or three parts
+ # if it is three parts then join the first and last parts together
+ # to get an answer
+
+ # first deal with prefix/x00xx/single letter things
+ if (@parts == 3 && length $parts[0] <= length $parts[1]) {
+ @nout = matchprefix($parts[0]);
+ if (@nout) {
+ my $s = join('/', $nout[0], $parts[2]);
+ my @try = get($s);
+ if (@try && $try[0] eq $s) {
+ dbg("got 3 part prefix: $call $s") if isdbg('prefix');
+ push @out, @try;
+ next;
+ }
+
+ # if the second part is a callsign and the last part is one letter
+ if (is_callsign($parts[1]) && length $parts[2] == 1) {
+ pop @parts;
+ }
+ }
+ }
+
+ # if it is a two parter
+ if (@parts == 2) {
+
+ # try it as it is as compound, taking the first part as the prefix
+ @nout = matchprefix($parts[0]);
+ if (@nout) {
+ my $s = join('/', $nout[0], $parts[1]);
+ my @try = get($s);
+ if (@try && $try[0] eq $s) {
+ dbg("got 2 part prefix: $call $s") if isdbg('prefix');
+ push @out, @try;
+ next;
+ }
+ }
+ }
+
+ # remove the problematic /J suffix
+ pop @parts if @parts > 1 && $parts[$#parts] eq 'J';
+
+ # single parter
+ if (@parts == 1) {
+ @nout = matchprefix($parts[0]);
+ if (@nout) {
+ dbg("got prefix: $call ]") if isdbg('prefix');
+ push @out, @nout;
+ next;
+ }
+ }
+
+ # try ALL the parts
+ my @checked;
+ my $n;
+L1: for ($n = 0; $n < @parts; $n++) {
+ my $sp = '';
+ my ($k, $i);
+ for ($i = $k = 0; $i < @parts; $i++) {
+ next if $checked[$i];
+ my $p = $parts[$i];
+ if (!$sp || length $p < length $sp) {
+ dbg("try part: $p") if isdbg('prefix');
+ $k = $i;
+ $sp = $p;
+ }
+ }
+ $checked[$k] = 1;
+ $sp =~ s/-\d+$//; # remove any SSID
+
+ # now start to resolve it from the right hand end
+ @nout = matchprefix($sp);
+
+ # try and search for it in the descriptions as
+ # a whole callsign if it has multiple parts and the output
+ # is more two long, this should catch things like
+ # FR5DX/T without having to explicitly stick it into
+ # the prefix table.
+
+ if (@nout) {
+ if (@parts > 1) {
+ $parts[$k] = $nout[0];
+ my $try = join('/', @parts);
+ my @try = get($try);
+ if (isdbg('prefix')) {
+ my $part = $try[0] || "*";
+ $part .= '*' unless $part eq '*' || $part eq $try;
+ dbg("Compound prefix: $try $part" );
+ }
+ if (@try && $try eq $try[0]) {
+ push @out, @try;
+ } else {
+ push @out, @nout;
+ }
+ } else {
+ push @out, @nout;
+ }
+ next LM;
+ }
+ }
+
+ # we are a pirate!
+ push @out, matchprefix('Q');
}
- # now start to resolve it from the left hand end
- for (@out = (), $i = 1; $i <= length $sp; ++$i) {
- @nout = get(substr($sp, 0, $i));
- last if @nout > 0 && $nout[0] gt $sp;
- last if @nout == 0;
- @out = @nout;
+
+ if (isdbg('prefix')) {
+ my $dd = new Data::Dumper([ \@out ], [qw(@out)]);
+ dbg($dd->Dumpxs);
}
-
- # not found
- return (@out > 0) ? @out : ();
+ return @out;
}
my %valid = (
itu => '0,ITU',
cq => '0,CQ',
utcoff => '0,UTC offset',
+ cont => '0,Continent',
);
no strict;
projects / spider.git / blobdiff