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package WebPAC::Output::SWISH; |
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|
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use warnings; |
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use strict; |
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|
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use base qw/WebPAC::Common/; |
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|
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use File::Path qw/make_path/; |
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use Data::Dump qw/dump/; |
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use YAML; |
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|
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=head1 NAME |
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|
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WebPAC::Output::SWISH - Create swish-e full text index |
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|
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=cut |
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|
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our $VERSION = '0.01'; |
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|
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=head1 SYNOPSIS |
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|
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Create full text index using swish-e indexer from data with |
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type C<search>. |
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|
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=head1 FUNCTIONS |
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|
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=head2 new |
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|
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my $out = new WebPAC::Output::SWISH( |
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database => 'demo', |
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); |
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|
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Options are: |
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|
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=over 4 |
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|
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=item database |
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|
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name of database from which data comes |
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|
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=back |
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|
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Name of database will be used to form URI of documents in index. |
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|
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=cut |
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|
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our $dir = 'var/swish'; |
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|
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sub new { |
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my $class = shift; |
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my $self = {@_}; |
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bless($self, $class); |
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|
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my $log = $self->_get_logger; |
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|
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#$log->debug("self: ", sub { dump($self) }); |
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|
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my $database = $self->{database} || $log->logdie("need database"); |
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|
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my $path = "$dir/$database.conf"; |
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|
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open(my $conf, '>', $path) || die "can't open $path: $!"; |
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|
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print $conf <<"DEFAULT_SWISH_CONF"; |
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# swish-e config file for $database |
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|
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IndexDir stdin |
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|
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# input file definition |
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DefaultContents XML* |
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|
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# indexed metatags |
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MetaNames xml swishdocpath |
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|
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|
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#XMLClassAttributes type |
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UndefinedMetaTags auto |
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UndefinedXMLAttributes auto |
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|
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IndexFile $dir/$database |
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|
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# Croatian ISO-8859-2 characters to unaccented equivalents |
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TranslateCharacters ¹©ðÐèÈæƾ® ssddcccczz |
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|
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|
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# disable output |
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ParserWarnLevel 0 |
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IndexReport 1 |
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|
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DEFAULT_SWISH_CONF |
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|
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close($conf) || die "can't write config $path: $!"; |
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|
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$self->{_swish_index_path} = "$dir/$database"; |
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|
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my $swish = "swish-e -S prog -c $path"; |
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open( $self->{_swish_fh}, '-|', $swish ) || die "can't open pipe to $swish: $!"; |
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|
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$self->{stats} = {}; |
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|
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$self ? return $self : return undef; |
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} |
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|
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=head2 |
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|
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my $path = $out->index_path; |
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|
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=cut |
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|
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sub index_path { $_[0]->{_swish_index_path} }; |
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|
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=head2 add |
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Adds one entry to database. |
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|
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$out->add( |
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id => 42, |
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ds => $ds, |
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type => 'display', |
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text => 'optional text from which snippet is created', |
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); |
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|
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This function will create entries in index using following URI format: |
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|
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C<file:///type/database%20name/000> |
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|
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Each tag in C<data_structure> with specified C<type> will create one |
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attribute and corresponding hidden text (used for search). |
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|
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=cut |
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|
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my %escape = ('<'=>'<', '>'=>'>', '&'=>'&', '"'=>'"'); |
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my $escape_re = join '|' => keys %escape; |
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|
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sub add { |
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my $self = shift; |
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|
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my $args = {@_}; |
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|
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my $log = $self->_get_logger; |
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|
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my $database = $self->{'database'} || $log->logconfess('no database in $self'); |
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$log->logconfess('need db in object') unless ($self->{'db'}); |
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|
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foreach my $p (qw/id ds type/) { |
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$log->logdie("need $p") unless ($args->{$p}); |
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} |
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|
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my $type = $args->{'type'}; |
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my $id = $args->{'id'}; |
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|
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my $uri = "$database/$id"; |
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$log->debug("creating $uri"); |
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|
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# filter all tags which have type defined |
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my @tags = grep { |
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ref($args->{'ds'}->{$_}) eq 'HASH' && defined( $args->{'ds'}->{$_}->{$type} ) |
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} keys %{ $args->{'ds'} }; |
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|
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$log->debug("tags = ", join(",", @tags)); |
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|
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return unless (@tags); |
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|
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my $xml = qq{<xml>}; |
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|
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foreach my $tag (@tags) { |
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|
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my $vals = join(" ", @{ $args->{'ds'}->{$tag}->{$type} }); |
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next if ! $vals; |
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|
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$vals =~ s/($escape_re)/$escape{$1}/gs; |
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$xml .= qq{<$tag><![CDATA[$vals]]></$tag>}; |
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|
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$self->{stats}->{attr}->{$tag}++; |
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} |
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$xml .= qq{</xml>\n}; |
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|
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my $len = length($xml); |
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|
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my $fh = $self->{_swish_fh}; |
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print $fh "Path-Name: $uri\nContent-Length: $len\nDocument-Type: XML\n\n$xml"; |
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# || die "can't add $uri: $@\n$xml\n"; |
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|
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return 1; |
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} |
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=head2 finish |
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|
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Dump attributes used on disk |
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|
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=cut |
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sub finish { |
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my $self = shift; |
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my $log = $self->_get_logger(); |
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|
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my $path = $dir . '/' . $self->{database} . '.yaml'; |
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YAML::DumpFile( $path, $self->{stats} ); |
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$log->info("created $path ", -s $path, " bytes"); |
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$log->debug( dump( $self->{stats} ) ); |
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} |
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|
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=head1 AUTHOR |
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|
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Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >> |
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=head1 COPYRIGHT & LICENSE |
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|
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Copyright 2004-2009 Dobrica Pavlinusic, All Rights Reserved. |
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|
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This program is free software; you can redistribute it and/or modify it |
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under the same terms as Perl itself. |
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|
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=cut |
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|
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