mws/trunk/MWS_swish.pm

#!/usr/bin/perl -w

use strict;

#
# simple implementation to use SWISH-e with queryies like
# Lucene (subject:something)
#

use SWISH::API;
use Text::Iconv;
use Data::Dumper;

my $iso2utf = Text::Iconv->new('ISO-8859-2','UTF-8');
my $utf2iso = Text::Iconv->new('UTF-8','ISO-8859-2');

sub open_index {
        my $self = shift;

        my $swish = $self->{index};

        if (! $swish) {

                my $index_file = $self->{index_file} || croak "open_index needs index filename";
                $index_file .= "/swish-e";
                print STDERR "opening index '$index_file'\n";
                $swish = SWISH::API->new($index_file);
                $swish->AbortLastError if $swish->Error;

                $self->{index} = $swish;
        }

        return $swish;
}

sub search_index {
        my $self = shift;

        my $s = shift || croak "search_index needs query";

        my $index = $self->open_index;

        if ($s =~ /:/) {
                my ($fld,$val) = split(/:/,$s,2);
                $s = "$fld=($val)";
        }

        print STDERR "swish search: $s\n";

        # convert to UTF-8
        $s = $iso2utf->convert($s) || $s;
        my $results = $index->Query($s);

        # store total number of hits
        $self->{'total_hits'} = $results->Hits;

        my @res_ids;

        my $count = 1;

        while ( my $r = $results->NextResult ) {

                sub p($$) {
                        my ($r,$prop) = @_;
                        $prop = $r->Property($prop);
                        $prop =~ s/##lf##/\n/gs;
                        return $utf2iso->convert($prop);
                }

                my $id = p($r,"swishdocpath");
                push @res_ids, $id;

                foreach my $p (qw(from to cc bcc)) {
                        @{$self->{cache}->{$id}->{$p}} = ();
                        foreach my $v (split(/##/, p($r,$p.'_phrase'))) {
                                push @{$self->{cache}->{$id}->{$p}}, $v;
                                $self->add_counter($p,$v);
                        }
                }

                foreach my $p (qw(subject body date)) {
                        $self->{cache}->{$id}->{$p} = p($r,$p);
                }

                # this is redundant, but needed for templates later...
                $self->{cache}->{$id}->{'id'} = $id;

                last if (++$count > $self->{max_results});
        }

        return @res_ids;
}

sub add_index {
        my $self = shift;

        my $mbox_id = shift || croak "add_index needs mbox_id";
        my $document = shift || croak "add_index needs document";

        my ($mbox,$id) = split(/\s/,$mbox_id,2);

        my $xml = qq{<message>};
        foreach my $tag (keys %$document) {
                my $data = $document->{$tag};
                next if (! $data || $data eq '');
                # save [cr/]lf before conversion to XML
                $data =~ s/\n\r/##lf##/gs;
                $data =~ s/\n/##lf##/gs;
                $xml .= "<$tag><![CDATA[".$data."]]></$tag>\n";
        }
        $xml .= qq{</message>};

        $xml = $iso2utf->convert($xml);
        use bytes;      # as opposed to chars
        print "Path-Name: $mbox $id\n";
        print "Content-Length: ".(length($xml)+1)."\n";
        print "Document-Type: XML\n\n$xml\n";

}

sub close_index {
        my $self = shift;

}

1;
1	#!/usr/bin/perl -w
2
3	use strict;
4
5	#
6	# simple implementation to use SWISH-e with queryies like
7	# Lucene (subject:something)
8	#
9
10	use SWISH::API;
11	use Text::Iconv;
12	use Data::Dumper;
13
14	my $iso2utf = Text::Iconv->new('ISO-8859-2','UTF-8');
15	my $utf2iso = Text::Iconv->new('UTF-8','ISO-8859-2');
16
17	sub open_index {
18	my $self = shift;
19
20	my $swish = $self->{index};
21
22	if (! $swish) {
23
24	my $index_file = $self->{index_file} \|\| croak "open_index needs index filename";
25	$index_file .= "/swish-e";
26	print STDERR "opening index '$index_file'\n";
27	$swish = SWISH::API->new($index_file);
28	$swish->AbortLastError if $swish->Error;
29
30	$self->{index} = $swish;
31	}
32
33	return $swish;
34	}
35
36	sub search_index {
37	my $self = shift;
38
39	my $s = shift \|\| croak "search_index needs query";
40
41	my $index = $self->open_index;
42
43	if ($s =~ /:/) {
44	my ($fld,$val) = split(/:/,$s,2);
45	$s = "$fld=($val)";
46	}
47
48	print STDERR "swish search: $s\n";
49
50	# convert to UTF-8
51	$s = $iso2utf->convert($s) \|\| $s;
52	my $results = $index->Query($s);
53
54	# store total number of hits
55	$self->{'total_hits'} = $results->Hits;
56
57	my @res_ids;
58
59	my $count = 1;
60
61	while ( my $r = $results->NextResult ) {
62
63	sub p($$) {
64	my ($r,$prop) = @_;
65	$prop = $r->Property($prop);
66	$prop =~ s/##lf##/\n/gs;
67	return $utf2iso->convert($prop);
68	}
69
70	my $id = p($r,"swishdocpath");
71	push @res_ids, $id;
72
73	foreach my $p (qw(from to cc bcc)) {
74	@{$self->{cache}->{$id}->{$p}} = ();
75	foreach my $v (split(/##/, p($r,$p.'_phrase'))) {
76	push @{$self->{cache}->{$id}->{$p}}, $v;
77	$self->add_counter($p,$v);
78	}
79	}
80
81	foreach my $p (qw(subject body date)) {
82	$self->{cache}->{$id}->{$p} = p($r,$p);
83	}
84
85	# this is redundant, but needed for templates later...
86	$self->{cache}->{$id}->{'id'} = $id;
87
88	last if (++$count > $self->{max_results});
89	}
90
91	return @res_ids;
92	}
93
94	sub add_index {
95	my $self = shift;
96
97	my $mbox_id = shift \|\| croak "add_index needs mbox_id";
98	my $document = shift \|\| croak "add_index needs document";
99
100	my ($mbox,$id) = split(/\s/,$mbox_id,2);
101
102	my $xml = qq{<message>};
103	foreach my $tag (keys %$document) {
104	my $data = $document->{$tag};
105	next if (! $data \|\| $data eq '');
106	# save [cr/]lf before conversion to XML
107	$data =~ s/\n\r/##lf##/gs;
108	$data =~ s/\n/##lf##/gs;
109	$xml .= "<$tag><![CDATA[".$data."]]></$tag>\n";
110	}
111	$xml .= qq{</message>};
112
113	$xml = $iso2utf->convert($xml);
114	use bytes; # as opposed to chars
115	print "Path-Name: $mbox $id\n";
116	print "Content-Length: ".(length($xml)+1)."\n";
117	print "Document-Type: XML\n\n$xml\n";
118
119	}
120
121	sub close_index {
122	my $self = shift;
123
124	}
125
126	1;