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";
        my $results = $index->Query($s);

        my @res_ids;

        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}} = split(/##/, p($r,$p.'_phrase'));
                }

                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;
        }

        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};
                # save [cr/]lf before conversion to XML
                $data =~ s/\n\r/##lf##/gs;
                $data =~ s/\n/##lf##/gs;
                $xml .= "<$tag><![CDATA[".$data."]]></$tag>\n" if ($data && $data ne '');
        }
        $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	my $results = $index->Query($s);
50
51	my @res_ids;
52
53	while ( my $r = $results->NextResult ) {
54
55	sub p($$) {
56	my ($r,$prop) = @_;
57	$prop = $r->Property($prop);
58	$prop =~ s/##lf##/\n/gs;
59	return $utf2iso->convert($prop);
60	}
61
62	my $id = p($r,"swishdocpath");
63	push @res_ids, $id;
64
65	foreach my $p (qw(from to cc bcc)) {
66	@{$self->{cache}->{$id}->{$p}} = split(/##/, p($r,$p.'_phrase'));
67	}
68
69	foreach my $p (qw(subject body date)) {
70	$self->{cache}->{$id}->{$p} = p($r,$p);
71	}
72
73	# this is redundant, but needed for templates later...
74	$self->{cache}->{$id}->{'id'} = $id;
75	}
76
77	return @res_ids;
78	}
79
80	sub add_index {
81	my $self = shift;
82
83	my $mbox_id = shift \|\| croak "add_index needs mbox_id";
84	my $document = shift \|\| croak "add_index needs document";
85
86	my ($mbox,$id) = split(/\s/,$mbox_id,2);
87
88	my $xml = qq{<message>};
89	foreach my $tag (keys %$document) {
90	my $data = $document->{$tag};
91	# save [cr/]lf before conversion to XML
92	$data =~ s/\n\r/##lf##/gs;
93	$data =~ s/\n/##lf##/gs;
94	$xml .= "<$tag><![CDATA[".$data."]]></$tag>\n" if ($data && $data ne '');
95	}
96	$xml .= qq{</message>};
97
98	$xml = $iso2utf->convert($xml);
99	use bytes; # as opposed to chars
100	print "Path-Name: $mbox $id\n";
101	print "Content-Length: ".(length($xml)+1)."\n";
102	print "Document-Type: XML\n\n$xml\n";
103
104	}
105
106	sub close_index {
107	my $self = shift;
108
109	}
110
111	1;