6 use Net::Z3950::SimpleServer;
19 # databases names (left) must be in uppercase!
21 # 'COBISS' => 'COBISS',
25 'GOOGLEBOOKS' => 'GoogleBooks',
26 'HATHITRUST' => 'vuFind',
28 'MKUTUP' => 'AlephTR',
30 'CROSBI-CASOPIS' => 'CROSBI',
31 'CROSBI-PREPRINT' => 'CROSBI',
32 'CROSBI-RKNJIGA' => 'CROSBI',
33 'CROSBI-ZBORNIK' => 'CROSBI',
36 my $max_records = 10; # XXX configure this
37 my $max_result_sets = 10;
47 $self->{HANDLE} = $session;
48 $self->{IMP_NAME} = "Biblio Z39.50";
49 $self->{IMP_VER} = "0.2";
50 $session->{SETS} = {};
56 diag "SearchHandle ",Dumper($self);
58 my $session = $self->{HANDLE};
59 my $rpn = $self->{RPN};
62 my $database = uc $self->{DATABASES}->[0];
63 my $module = $databases->{$database};
64 if ( ! defined $module ) {
65 $self->{ERR_CODE} = 108;
66 warn $self->{ERR_STR} = "$database NOT FOUND in available databases: " . join(" ", keys %$databases);
70 my $from = $module->new( $database );
72 diag "using $module for $database ", Dumper( $from );
74 eval { $query = $rpn->{query}->render( $from->usemap ); };
75 warn "ERROR: ", Dumper($@) if $@;
76 if ( $@ && ref($@) ) { ## Did someone/something report any errors?
77 $self->{ERR_CODE} = $@->{errcode};
78 $self->{ERR_STR} = $@->{errstr};
82 $query = decode('utf-8', $query); # FIXME Zoom encoding
84 diag "search for $query";
86 my $setname = $self->{SETNAME};
87 my $repl_set = $self->{REPL_SET};
88 diag "SETNAME $setname REPL_SET $repl_set";
90 unless ( $hits = $from->search( $query ) ) {
91 warn $self->{ERR_STR} = "no results for $query";
92 $self->{ERR_CODE} = 108;
95 diag "got $hits hits";
98 upper => $hits < $max_records ? $max_records : $hits,
101 results => [ undef ], # we don't use 0 element
102 database => $database,
104 my $sets = $session->{SETS};
106 if ( defined( $sets->{$setname} ) && !$repl_set ) {
107 $self->{ERR_CODE} = 21;
110 if ( scalar keys %$sets >= $max_result_sets ) {
111 $self->{ERR_CODE} = 112;
112 $self->{ERR_STR} = "Max number is $max_result_sets";
115 $sets->{$setname} = $rs;
116 $self->{HITS} = $session->{HITS} = $hits;
117 $session->{QUERY} = $query;
122 my $session = $self->{HANDLE};
123 my $setname = $self->{SETNAME};
124 my $req_form = $self->{REQ_FORM};
125 my $offset = $self->{OFFSET};
126 my $sets = $session->{SETS};
127 my $hits = $session->{HITS};
131 if ( !defined( $rs = $sets->{$setname} ) ) {
132 $self->{ERR_CODE} = 30;
135 if ( $offset > $hits ) {
136 $self->{ERR_CODE} = 13;
140 $self->{BASENAME} = $rs->{database};
143 $req_form eq Net::Z3950::OID::xml() ? 'xml' :
144 $req_form eq Net::Z3950::OID::unimarc() ? 'unimarc' :
145 $req_form eq Net::Z3950::OID::usmarc() ? 'marc' : # XXX usmarc -> marc
146 die "unknown format $req_form";
149 warn "ERROR: $req_form format not supported";
150 $self->{ERR_CODE} = 239; ## Unsupported record format
151 $self->{ERR_STR} = $req_form;
155 $self->{REP_FORM} = $req_form;
157 my $from = $rs->{from} || die "no from?";
158 # fetch records up to offset
159 while( $#{ $rs->{results} } < $offset ) {
160 my $marc = $from->next_marc;
161 last if ! $marc; # abort results
162 push @{ $rs->{results} }, $marc;
163 warn "# rs result ", $#{ $rs->{results} },"\n";
166 my $id = $rs->{results}->[$offset] || die "no id for record $offset in ",Dumper( $rs->{results} );
168 my $path = 'marc/' . $rs->{database} . "/$id.$format";
170 warn "ERROR: $path not found";
171 ## Unsupported record format
172 $self->{ERR_CODE} = 239;
173 $self->{ERR_STR} = $req_form;
178 open(my $in, '<', $path) || die "$path: $!";
182 $self->{RECORD} = $marc;
186 if ( $offset == $hits ) {
198 my $z = new Net::Z3950::SimpleServer(
199 INIT => \&InitHandle,
200 SEARCH => \&SearchHandle,
201 FETCH => \&FetchHandle,
202 CLOSE => \&CloseHandle
204 $z->launch_server( $0, @ARGV );
206 package Net::Z3950::RPN::And;
209 my ($self,$usemap) = @_;
210 return $self->[0]->render($usemap)
211 . ( $usemap->{RPN}->{And} || ' AND ' )
212 . $self->[1]->render($usemap);
215 package Net::Z3950::RPN::Or;
218 my ($self,$usemap) = @_;
219 return $self->[0]->render($usemap)
220 . ( $usemap->{RPN}->{Or} || ' OR ' )
221 . $self->[1]->render($usemap);
224 package Net::Z3950::RPN::AndNot;
227 my ($self,$usemap) = @_;
228 return $self->[0]->render($usemap)
229 . ( $usemap->{RPN}->{Or} || ' AND NOT ' )
230 . $self->[1]->render($usemap);
233 package Net::Z3950::RPN::Term;
235 use Data::Dump qw(dump);
238 my ($self,$usemap) = @_;
240 die "no usemap" unless $usemap;
242 warn "# render ", dump($self);
243 warn "# usemap ", dump($usemap);
247 foreach my $attr ( @{ $self->{attributes} } ) {
248 my $type = $attr->{attributeType};
249 my $value = $attr->{attributeValue};
250 $attributes->{$type} = $value;
252 if ( defined( my $use = $attributes->{1} ) ) {
253 if ( defined( my $field = $usemap->{$use} ) ) {
257 warn "FIXME add $use in usemap ",dump( $usemap );
258 die { errcode => 114, errstr => $use }; ## Unsupported use attribute
261 if ( defined( my $rel = $attributes->{2} ) )
262 { ## No relation attributes supported
264 die { errcode => 117, errstr => $rel };
267 if ( defined( my $pos = $attributes->{3} ) )
268 { ## No position attributes either
270 die { errcode => 119, errstr => $pos };
273 if ( defined( my $struc = $attributes->{4} ) ) { ## No structure
274 if ( ( $struc != 1 ) && ( $struc != 2 ) ) {
275 die { errcode => 118, errstr => $struc };
278 if ( defined( $attributes->{5} ) ) { ## No truncation
279 # die { errcode => 113, errstr => 5 };
280 warn "# truncation is ignored";
282 my $comp = $attributes->{6};
284 if ( defined($comp) && ( $comp >= 2 ) ) {
285 $prefix = "all$prefix"; # FIXME?
291 if ( $usemap->{prefix_term} ) {
292 warn "# using custom prefix_term query";
293 $q = $usemap->{prefix_term}->( $prefix, $self->{term} );
295 $q = $prefix . $self->{term} . '*';