6 use Net::Z3950::SimpleServer;
17 # databases names (left) must be in uppercase!
19 # 'COBISS' => 'COBISS',
23 'GOOGLEBOOKS' => 'GoogleBooks',
24 'HATHITRUST' => 'vuFind',
28 my $max_records = 3; # XXX configure this
29 my $max_result_sets = 10;
39 $self->{HANDLE} = $session;
40 $self->{IMP_NAME} = "Biblio Z39.50";
41 $self->{IMP_VER} = "0.2";
42 $session->{SETS} = {};
48 diag "SearchHandle ",Dumper($self);
50 my $session = $self->{HANDLE};
51 my $rpn = $self->{RPN};
54 my $database = uc $self->{DATABASES}->[0];
55 my $module = $databases->{$database};
56 if ( ! defined $module ) {
57 $self->{ERR_CODE} = 108;
58 warn $self->{ERR_STR} = "$database NOT FOUND in available databases: " . join(" ", keys %$databases);
62 my $from = $module->new( $database );
64 diag "using $module for $database ", Dumper( $from );
66 eval { $query = $rpn->{query}->render( $from->usemap ); };
67 warn "ERROR: $@" if $@;
68 if ( $@ && ref($@) ) { ## Did someone/something report any errors?
69 $self->{ERR_CODE} = $@->{errcode};
70 $self->{ERR_STR} = $@->{errstr};
74 $query = decode('utf-8', $query); # FIXME Zoom encoding
76 diag "search for $query";
78 my $setname = $self->{SETNAME};
79 my $repl_set = $self->{REPL_SET};
80 diag "SETNAME $setname REPL_SET $repl_set";
82 unless ( $hits = $from->search( $query ) ) {
83 warn $self->{ERR_STR} = "no results for $query";
84 $self->{ERR_CODE} = 108;
87 diag "got $hits hits";
90 upper => $hits < $max_records ? $max_records : $hits,
93 results => [ undef ], # we don't use 0 element
94 database => $database,
96 my $sets = $session->{SETS};
98 if ( defined( $sets->{$setname} ) && !$repl_set ) {
99 $self->{ERR_CODE} = 21;
102 if ( scalar keys %$sets >= $max_result_sets ) {
103 $self->{ERR_CODE} = 112;
104 $self->{ERR_STR} = "Max number is $max_result_sets";
107 $sets->{$setname} = $rs;
108 $self->{HITS} = $session->{HITS} = $hits;
109 $session->{QUERY} = $query;
114 my $session = $self->{HANDLE};
115 my $setname = $self->{SETNAME};
116 my $req_form = $self->{REQ_FORM};
117 my $offset = $self->{OFFSET};
118 my $sets = $session->{SETS};
119 my $hits = $session->{HITS};
123 if ( !defined( $rs = $sets->{$setname} ) ) {
124 $self->{ERR_CODE} = 30;
127 if ( $offset > $hits ) {
128 $self->{ERR_CODE} = 13;
132 $self->{BASENAME} = $rs->{database};
135 $req_form eq Net::Z3950::OID::xml() ? 'xml' :
136 $req_form eq Net::Z3950::OID::unimarc() ? 'unimarc' :
137 $req_form eq Net::Z3950::OID::usmarc() ? 'marc' : # XXX usmarc -> marc
138 die "unknown format $req_form";
141 warn "ERROR: $req_form format not supported";
142 $self->{ERR_CODE} = 239; ## Unsupported record format
143 $self->{ERR_STR} = $req_form;
147 $self->{REP_FORM} = $req_form;
149 my $from = $rs->{from} || die "no from?";
150 # fetch records up to offset
151 while( $#{ $rs->{results} } < $offset ) {
152 my $marc = $from->next_marc;
153 last if ! $marc; # abort results
154 push @{ $rs->{results} }, $marc;
155 warn "# rs result ", $#{ $rs->{results} },"\n";
158 my $id = $rs->{results}->[$offset] || die "no id for record $offset in ",Dumper( $rs->{results} );
160 my $path = 'marc/' . $rs->{database} . "/$id.$format";
162 warn "ERROR: $path not found";
163 ## Unsupported record format
164 $self->{ERR_CODE} = 239;
165 $self->{ERR_STR} = $req_form;
170 open(my $in, '<', $path) || die "$path: $!";
174 $self->{RECORD} = $marc;
178 if ( $offset == $hits ) {
190 my $z = new Net::Z3950::SimpleServer(
191 INIT => \&InitHandle,
192 SEARCH => \&SearchHandle,
193 FETCH => \&FetchHandle,
194 CLOSE => \&CloseHandle
196 $z->launch_server( $0, @ARGV );
198 package Net::Z3950::RPN::And;
201 my ($self,$usemap) = @_;
202 return $self->[0]->render($usemap)
203 . ( $usemap->{RPN}->{And} || ' AND ' )
204 . $self->[1]->render($usemap);
207 package Net::Z3950::RPN::Or;
210 my ($self,$usemap) = @_;
211 return $self->[0]->render($usemap)
212 . ( $usemap->{RPN}->{Or} || ' OR ' )
213 . $self->[1]->render($usemap);
216 package Net::Z3950::RPN::AndNot;
219 my ($self,$usemap) = @_;
220 return $self->[0]->render($usemap)
221 . ( $usemap->{RPN}->{Or} || ' AND NOT ' )
222 . $self->[1]->render($usemap);
225 package Net::Z3950::RPN::Term;
227 use Data::Dump qw(dump);
230 my ($self,$usemap) = @_;
232 die "no usemap" unless $usemap;
234 warn "# render ", dump($self);
235 warn "# usemap ", dump($usemap);
239 foreach my $attr ( @{ $self->{attributes} } ) {
240 my $type = $attr->{attributeType};
241 my $value = $attr->{attributeValue};
242 $attributes->{$type} = $value;
244 if ( defined( my $use = $attributes->{1} ) ) {
245 if ( defined( my $field = $usemap->{$use} ) ) {
249 warn "FIXME add $use in usemap ",dump( $usemap );
250 die { errcode => 114, errstr => $use }; ## Unsupported use attribute
253 if ( defined( my $rel = $attributes->{2} ) )
254 { ## No relation attributes supported
256 die { errcode => 117, errstr => $rel };
259 if ( defined( my $pos = $attributes->{3} ) )
260 { ## No position attributes either
262 die { errcode => 119, errstr => $pos };
265 if ( defined( my $struc = $attributes->{4} ) ) { ## No structure
266 if ( ( $struc != 1 ) && ( $struc != 2 ) ) {
267 die { errcode => 118, errstr => $struc };
270 if ( defined( $attributes->{5} ) ) { ## No truncation
271 die { errcode => 113, errstr => 5 };
273 my $comp = $attributes->{6};
275 if ( defined($comp) && ( $comp >= 2 ) ) {
276 $prefix = "all$prefix"; # FIXME?
282 if ( $usemap->{prefix_term} ) {
283 warn "# using custom prefix_term query";
284 $q = $usemap->{prefix_term}->( $prefix, $self->{term} );
286 $q = $prefix . $self->{term} . '*';