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',
34 my $max_records = 10; # XXX configure this
35 my $max_result_sets = 10;
45 $self->{HANDLE} = $session;
46 $self->{IMP_NAME} = "Biblio Z39.50";
47 $self->{IMP_VER} = "0.2";
48 $session->{SETS} = {};
54 diag "SearchHandle ",Dumper($self);
56 my $session = $self->{HANDLE};
57 my $rpn = $self->{RPN};
60 my $database = uc $self->{DATABASES}->[0];
61 my $module = $databases->{$database};
62 if ( ! defined $module ) {
63 $self->{ERR_CODE} = 108;
64 warn $self->{ERR_STR} = "$database NOT FOUND in available databases: " . join(" ", keys %$databases);
68 my $from = $module->new( $database );
70 diag "using $module for $database ", Dumper( $from );
72 eval { $query = $rpn->{query}->render( $from->usemap ); };
73 warn "ERROR: ", Dumper($@) if $@;
74 if ( $@ && ref($@) ) { ## Did someone/something report any errors?
75 $self->{ERR_CODE} = $@->{errcode};
76 $self->{ERR_STR} = $@->{errstr};
80 $query = decode('utf-8', $query); # FIXME Zoom encoding
82 diag "search for $query";
84 my $setname = $self->{SETNAME};
85 my $repl_set = $self->{REPL_SET};
86 diag "SETNAME $setname REPL_SET $repl_set";
88 unless ( $hits = $from->search( $query ) ) {
89 warn $self->{ERR_STR} = "no results for $query";
90 $self->{ERR_CODE} = 108;
93 diag "got $hits hits";
96 upper => $hits < $max_records ? $max_records : $hits,
99 results => [ undef ], # we don't use 0 element
100 database => $database,
102 my $sets = $session->{SETS};
104 if ( defined( $sets->{$setname} ) && !$repl_set ) {
105 $self->{ERR_CODE} = 21;
108 if ( scalar keys %$sets >= $max_result_sets ) {
109 $self->{ERR_CODE} = 112;
110 $self->{ERR_STR} = "Max number is $max_result_sets";
113 $sets->{$setname} = $rs;
114 $self->{HITS} = $session->{HITS} = $hits;
115 $session->{QUERY} = $query;
120 my $session = $self->{HANDLE};
121 my $setname = $self->{SETNAME};
122 my $req_form = $self->{REQ_FORM};
123 my $offset = $self->{OFFSET};
124 my $sets = $session->{SETS};
125 my $hits = $session->{HITS};
129 if ( !defined( $rs = $sets->{$setname} ) ) {
130 $self->{ERR_CODE} = 30;
133 if ( $offset > $hits ) {
134 $self->{ERR_CODE} = 13;
138 $self->{BASENAME} = $rs->{database};
141 $req_form eq Net::Z3950::OID::xml() ? 'xml' :
142 $req_form eq Net::Z3950::OID::unimarc() ? 'unimarc' :
143 $req_form eq Net::Z3950::OID::usmarc() ? 'marc' : # XXX usmarc -> marc
144 die "unknown format $req_form";
147 warn "ERROR: $req_form format not supported";
148 $self->{ERR_CODE} = 239; ## Unsupported record format
149 $self->{ERR_STR} = $req_form;
153 $self->{REP_FORM} = $req_form;
155 my $from = $rs->{from} || die "no from?";
156 # fetch records up to offset
157 while( $#{ $rs->{results} } < $offset ) {
158 my $marc = $from->next_marc;
159 last if ! $marc; # abort results
160 push @{ $rs->{results} }, $marc;
161 warn "# rs result ", $#{ $rs->{results} },"\n";
164 my $id = $rs->{results}->[$offset] || die "no id for record $offset in ",Dumper( $rs->{results} );
166 my $path = 'marc/' . $rs->{database} . "/$id.$format";
168 warn "ERROR: $path not found";
169 ## Unsupported record format
170 $self->{ERR_CODE} = 239;
171 $self->{ERR_STR} = $req_form;
176 open(my $in, '<', $path) || die "$path: $!";
180 $self->{RECORD} = $marc;
184 if ( $offset == $hits ) {
196 my $z = new Net::Z3950::SimpleServer(
197 INIT => \&InitHandle,
198 SEARCH => \&SearchHandle,
199 FETCH => \&FetchHandle,
200 CLOSE => \&CloseHandle
202 $z->launch_server( $0, @ARGV );
204 package Net::Z3950::RPN::And;
207 my ($self,$usemap) = @_;
208 return $self->[0]->render($usemap)
209 . ( $usemap->{RPN}->{And} || ' AND ' )
210 . $self->[1]->render($usemap);
213 package Net::Z3950::RPN::Or;
216 my ($self,$usemap) = @_;
217 return $self->[0]->render($usemap)
218 . ( $usemap->{RPN}->{Or} || ' OR ' )
219 . $self->[1]->render($usemap);
222 package Net::Z3950::RPN::AndNot;
225 my ($self,$usemap) = @_;
226 return $self->[0]->render($usemap)
227 . ( $usemap->{RPN}->{Or} || ' AND NOT ' )
228 . $self->[1]->render($usemap);
231 package Net::Z3950::RPN::Term;
233 use Data::Dump qw(dump);
236 my ($self,$usemap) = @_;
238 die "no usemap" unless $usemap;
240 warn "# render ", dump($self);
241 warn "# usemap ", dump($usemap);
245 foreach my $attr ( @{ $self->{attributes} } ) {
246 my $type = $attr->{attributeType};
247 my $value = $attr->{attributeValue};
248 $attributes->{$type} = $value;
250 if ( defined( my $use = $attributes->{1} ) ) {
251 if ( defined( my $field = $usemap->{$use} ) ) {
255 warn "FIXME add $use in usemap ",dump( $usemap );
256 die { errcode => 114, errstr => $use }; ## Unsupported use attribute
259 if ( defined( my $rel = $attributes->{2} ) )
260 { ## No relation attributes supported
262 die { errcode => 117, errstr => $rel };
265 if ( defined( my $pos = $attributes->{3} ) )
266 { ## No position attributes either
268 die { errcode => 119, errstr => $pos };
271 if ( defined( my $struc = $attributes->{4} ) ) { ## No structure
272 if ( ( $struc != 1 ) && ( $struc != 2 ) ) {
273 die { errcode => 118, errstr => $struc };
276 if ( defined( $attributes->{5} ) ) { ## No truncation
277 # die { errcode => 113, errstr => 5 };
278 warn "# truncation is ignored";
280 my $comp = $attributes->{6};
282 if ( defined($comp) && ( $comp >= 2 ) ) {
283 $prefix = "all$prefix"; # FIXME?
289 if ( $usemap->{prefix_term} ) {
290 warn "# using custom prefix_term query";
291 $q = $usemap->{prefix_term}->( $prefix, $self->{term} );
293 $q = $prefix . $self->{term} . '*';