X-Git-Url: http://dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FAnnTalk.pm;h=defc0110aa250848e7a30e7925ee89ff8200a489;hb=433209e1efed23493f25f1357d9c003696c1fb59;hp=84aa55ed8b4158c92536c25178baf8d170125897;hpb=781531dd3ee37e69c75e52718e0b26bcac31ca1c;p=spider.git

diff --git a/perl/AnnTalk.pm b/perl/AnnTalk.pm
index 84aa55ed..defc0110 100644
--- a/perl/AnnTalk.pm
+++ b/perl/AnnTalk.pm
@@ -3,33 +3,76 @@
 #
 # Copyright (c) 2000 Dirk Koopman
 #
-# $Id$
+#
 #
 
 package AnnTalk;
 
 use strict;
 
+use DXVars;
 use DXUtil;
 use DXDebug;
 use DXDupe;
+use DXLog;
+use DXLogPrint;
+use Time::HiRes qw(gettimeofday tv_interval);
+
+use vars qw(%dup $duplth $dupage $filterdef);
+
+$duplth = 30;					# the length of text to use in the deduping
+$dupage = 18*3600;				# the length of time to hold ann dups
+$filterdef = bless ([
+			  # tag, sort, field, priv, special parser 
+			  ['by', 'c', 0],
+			  ['dest', 'c', 1],
+			  ['info', 't', 2],
+			  ['group', 't', 3],
+			  ['origin', 'c', 4],
+			  ['wx', 't', 5],
+			  ['channel', 'c', 6],
+			  ['by_dxcc', 'nc', 7],
+			  ['by_itu', 'ni', 8],
+			  ['by_zone', 'nz', 9],
+			  ['origin_dxcc', 'nc', 10],
+			  ['origin_itu', 'ni', 11],
+			  ['origin_zone', 'nz', 12],
+			  ['by_state', 'nz', 13],
+			  ['origin_state', 'nz', 14],
+		   ], 'Filter::Cmd');
 
-use vars qw(%dup $duplth $dupage);
+our $maxcache = 130;
+our @anncache;
+
+sub init
+{
+	my $t0 = [gettimeofday];
+	@anncache = DXLog::search(0, $maxcache, $main::systime, 'ann');
+	shift @anncache while @anncache > $maxcache;
+	my $l = @anncache;
+	dbg("AnnTalk: loaded last $l announcements into cache in " . _diffms($t0) . "mS");
+}
 
-$duplth = 60;					# the length of text to use in the deduping
-$dupage = 5*24*3600;			# the length of time to hold spot dups
+sub add_anncache
+{
+	push @anncache, [ $main::systime, @_ ];
+	shift @anncache while @anncache > $maxcache;
+}
 
 # enter the spot for dup checking and return true if it is already a dup
 sub dup
 {
-	my ($call, $to, $text) = @_; 
+	my ($call, $to, $text, $t) = @_; 
 
+	$t ||= $main::systime + $dupage;
 	chomp $text;
 	unpad($text);
-	$text =~ s/[^ a-zA-Z0-9]//g;
+	$text =~ s/\%([0-9A-F][0-9A-F])/chr(hex($1))/eg;
+#	$text = Encode::encode("iso-8859-1", $text) if $main::can_encode && Encode::is_utf8($text, 1);
+	$text =~ s/[^\#a-zA-Z0-9]//g;
 	$text = substr($text, 0, $duplth) if length $text > $duplth; 
-	my $dupkey = "A$to|$text";
-	return DXDupe::check($dupkey, $main::systime + $dupage);
+	my $dupkey = "A$call|$to|\L$text";
+	return DXDupe::check($dupkey, $t);
 }
 
 sub listdups
@@ -37,6 +80,22 @@ sub listdups
 	return DXDupe::listdups('A', $dupage, @_);
 }
 
+# is this text field a likely announce to talk substitution?
+# this may involve all sorts of language dependant heuristics, but 
+# then again, it might not
+sub is_talk_candidate
+{
+	my ($from, $text) = @_;
+	my $call;
 
+	($call) = $text =~ /^\s*(?:[Xx]|[Tt][Oo]?:?)\s+([\w-]+)/;
+	($call) = $text =~ /^\s*>\s*([\w-]+)\b/ unless $call;
+	($call) = $text =~ /^\s*([\w-]+):?\b/ unless $call;
+	if ($call) {
+		$call = uc $call;
+		return is_callsign($call);
+	}
+    return undef;
+}
 1;