6 use Net::Z3950::SimpleServer;
18 # databases names (left) must be in uppercase!
20 # 'COBISS' => 'COBISS',
24 'GOOGLEBOOKS' => 'GoogleBooks',
25 'HATHITRUST' => 'vuFind',
27 'MKUTUP' => 'AlephTR',
30 my $max_records = 10; # XXX configure this
31 my $max_result_sets = 10;
41 $self->{HANDLE} = $session;
42 $self->{IMP_NAME} = "Biblio Z39.50";
43 $self->{IMP_VER} = "0.2";
44 $session->{SETS} = {};
50 diag "SearchHandle ",Dumper($self);
52 my $session = $self->{HANDLE};
53 my $rpn = $self->{RPN};
56 my $database = uc $self->{DATABASES}->[0];
57 my $module = $databases->{$database};
58 if ( ! defined $module ) {
59 $self->{ERR_CODE} = 108;
60 warn $self->{ERR_STR} = "$database NOT FOUND in available databases: " . join(" ", keys %$databases);
64 my $from = $module->new( $database );
66 diag "using $module for $database ", Dumper( $from );
68 eval { $query = $rpn->{query}->render( $from->usemap ); };
69 warn "ERROR: ", Dumper($@) if $@;
70 if ( $@ && ref($@) ) { ## Did someone/something report any errors?
71 $self->{ERR_CODE} = $@->{errcode};
72 $self->{ERR_STR} = $@->{errstr};
76 $query = decode('utf-8', $query); # FIXME Zoom encoding
78 diag "search for $query";
80 my $setname = $self->{SETNAME};
81 my $repl_set = $self->{REPL_SET};
82 diag "SETNAME $setname REPL_SET $repl_set";
84 unless ( $hits = $from->search( $query ) ) {
85 warn $self->{ERR_STR} = "no results for $query";
86 $self->{ERR_CODE} = 108;
89 diag "got $hits hits";
92 upper => $hits < $max_records ? $max_records : $hits,
95 results => [ undef ], # we don't use 0 element
96 database => $database,
98 my $sets = $session->{SETS};
100 if ( defined( $sets->{$setname} ) && !$repl_set ) {
101 $self->{ERR_CODE} = 21;
104 if ( scalar keys %$sets >= $max_result_sets ) {
105 $self->{ERR_CODE} = 112;
106 $self->{ERR_STR} = "Max number is $max_result_sets";
109 $sets->{$setname} = $rs;
110 $self->{HITS} = $session->{HITS} = $hits;
111 $session->{QUERY} = $query;
116 my $session = $self->{HANDLE};
117 my $setname = $self->{SETNAME};
118 my $req_form = $self->{REQ_FORM};
119 my $offset = $self->{OFFSET};
120 my $sets = $session->{SETS};
121 my $hits = $session->{HITS};
125 if ( !defined( $rs = $sets->{$setname} ) ) {
126 $self->{ERR_CODE} = 30;
129 if ( $offset > $hits ) {
130 $self->{ERR_CODE} = 13;
134 $self->{BASENAME} = $rs->{database};
137 $req_form eq Net::Z3950::OID::xml() ? 'xml' :
138 $req_form eq Net::Z3950::OID::unimarc() ? 'unimarc' :
139 $req_form eq Net::Z3950::OID::usmarc() ? 'marc' : # XXX usmarc -> marc
140 die "unknown format $req_form";
143 warn "ERROR: $req_form format not supported";
144 $self->{ERR_CODE} = 239; ## Unsupported record format
145 $self->{ERR_STR} = $req_form;
149 $self->{REP_FORM} = $req_form;
151 my $from = $rs->{from} || die "no from?";
152 # fetch records up to offset
153 while( $#{ $rs->{results} } < $offset ) {
154 my $marc = $from->next_marc;
155 last if ! $marc; # abort results
156 push @{ $rs->{results} }, $marc;
157 warn "# rs result ", $#{ $rs->{results} },"\n";
160 my $id = $rs->{results}->[$offset] || die "no id for record $offset in ",Dumper( $rs->{results} );
162 my $path = 'marc/' . $rs->{database} . "/$id.$format";
164 warn "ERROR: $path not found";
165 ## Unsupported record format
166 $self->{ERR_CODE} = 239;
167 $self->{ERR_STR} = $req_form;
172 open(my $in, '<', $path) || die "$path: $!";
176 $self->{RECORD} = $marc;
180 if ( $offset == $hits ) {
192 my $z = new Net::Z3950::SimpleServer(
193 INIT => \&InitHandle,
194 SEARCH => \&SearchHandle,
195 FETCH => \&FetchHandle,
196 CLOSE => \&CloseHandle
198 $z->launch_server( $0, @ARGV );
200 package Net::Z3950::RPN::And;
203 my ($self,$usemap) = @_;
204 return $self->[0]->render($usemap)
205 . ( $usemap->{RPN}->{And} || ' AND ' )
206 . $self->[1]->render($usemap);
209 package Net::Z3950::RPN::Or;
212 my ($self,$usemap) = @_;
213 return $self->[0]->render($usemap)
214 . ( $usemap->{RPN}->{Or} || ' OR ' )
215 . $self->[1]->render($usemap);
218 package Net::Z3950::RPN::AndNot;
221 my ($self,$usemap) = @_;
222 return $self->[0]->render($usemap)
223 . ( $usemap->{RPN}->{Or} || ' AND NOT ' )
224 . $self->[1]->render($usemap);
227 package Net::Z3950::RPN::Term;
229 use Data::Dump qw(dump);
232 my ($self,$usemap) = @_;
234 die "no usemap" unless $usemap;
236 warn "# render ", dump($self);
237 warn "# usemap ", dump($usemap);
241 foreach my $attr ( @{ $self->{attributes} } ) {
242 my $type = $attr->{attributeType};
243 my $value = $attr->{attributeValue};
244 $attributes->{$type} = $value;
246 if ( defined( my $use = $attributes->{1} ) ) {
247 if ( defined( my $field = $usemap->{$use} ) ) {
251 warn "FIXME add $use in usemap ",dump( $usemap );
252 die { errcode => 114, errstr => $use }; ## Unsupported use attribute
255 if ( defined( my $rel = $attributes->{2} ) )
256 { ## No relation attributes supported
258 die { errcode => 117, errstr => $rel };
261 if ( defined( my $pos = $attributes->{3} ) )
262 { ## No position attributes either
264 die { errcode => 119, errstr => $pos };
267 if ( defined( my $struc = $attributes->{4} ) ) { ## No structure
268 if ( ( $struc != 1 ) && ( $struc != 2 ) ) {
269 die { errcode => 118, errstr => $struc };
272 if ( defined( $attributes->{5} ) ) { ## No truncation
273 # die { errcode => 113, errstr => 5 };
274 warn "# truncation is ignored";
276 my $comp = $attributes->{6};
278 if ( defined($comp) && ( $comp >= 2 ) ) {
279 $prefix = "all$prefix"; # FIXME?
285 if ( $usemap->{prefix_term} ) {
286 warn "# using custom prefix_term query";
287 $q = $usemap->{prefix_term}->( $prefix, $self->{term} );
289 $q = $prefix . $self->{term} . '*';