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',
32 my $max_records = 10; # XXX configure this
33 my $max_result_sets = 10;
43 $self->{HANDLE} = $session;
44 $self->{IMP_NAME} = "Biblio Z39.50";
45 $self->{IMP_VER} = "0.2";
46 $session->{SETS} = {};
52 diag "SearchHandle ",Dumper($self);
54 my $session = $self->{HANDLE};
55 my $rpn = $self->{RPN};
58 my $database = uc $self->{DATABASES}->[0];
59 my $module = $databases->{$database};
60 if ( ! defined $module ) {
61 $self->{ERR_CODE} = 108;
62 warn $self->{ERR_STR} = "$database NOT FOUND in available databases: " . join(" ", keys %$databases);
66 my $from = $module->new( $database );
68 diag "using $module for $database ", Dumper( $from );
70 eval { $query = $rpn->{query}->render( $from->usemap ); };
71 warn "ERROR: ", Dumper($@) if $@;
72 if ( $@ && ref($@) ) { ## Did someone/something report any errors?
73 $self->{ERR_CODE} = $@->{errcode};
74 $self->{ERR_STR} = $@->{errstr};
78 $query = decode('utf-8', $query); # FIXME Zoom encoding
80 diag "search for $query";
82 my $setname = $self->{SETNAME};
83 my $repl_set = $self->{REPL_SET};
84 diag "SETNAME $setname REPL_SET $repl_set";
86 unless ( $hits = $from->search( $query ) ) {
87 warn $self->{ERR_STR} = "no results for $query";
88 $self->{ERR_CODE} = 108;
91 diag "got $hits hits";
94 upper => $hits < $max_records ? $max_records : $hits,
97 results => [ undef ], # we don't use 0 element
98 database => $database,
100 my $sets = $session->{SETS};
102 if ( defined( $sets->{$setname} ) && !$repl_set ) {
103 $self->{ERR_CODE} = 21;
106 if ( scalar keys %$sets >= $max_result_sets ) {
107 $self->{ERR_CODE} = 112;
108 $self->{ERR_STR} = "Max number is $max_result_sets";
111 $sets->{$setname} = $rs;
112 $self->{HITS} = $session->{HITS} = $hits;
113 $session->{QUERY} = $query;
118 my $session = $self->{HANDLE};
119 my $setname = $self->{SETNAME};
120 my $req_form = $self->{REQ_FORM};
121 my $offset = $self->{OFFSET};
122 my $sets = $session->{SETS};
123 my $hits = $session->{HITS};
127 if ( !defined( $rs = $sets->{$setname} ) ) {
128 $self->{ERR_CODE} = 30;
131 if ( $offset > $hits ) {
132 $self->{ERR_CODE} = 13;
136 $self->{BASENAME} = $rs->{database};
139 $req_form eq Net::Z3950::OID::xml() ? 'xml' :
140 $req_form eq Net::Z3950::OID::unimarc() ? 'unimarc' :
141 $req_form eq Net::Z3950::OID::usmarc() ? 'marc' : # XXX usmarc -> marc
142 die "unknown format $req_form";
145 warn "ERROR: $req_form format not supported";
146 $self->{ERR_CODE} = 239; ## Unsupported record format
147 $self->{ERR_STR} = $req_form;
151 $self->{REP_FORM} = $req_form;
153 my $from = $rs->{from} || die "no from?";
154 # fetch records up to offset
155 while( $#{ $rs->{results} } < $offset ) {
156 my $marc = $from->next_marc;
157 last if ! $marc; # abort results
158 push @{ $rs->{results} }, $marc;
159 warn "# rs result ", $#{ $rs->{results} },"\n";
162 my $id = $rs->{results}->[$offset] || die "no id for record $offset in ",Dumper( $rs->{results} );
164 my $path = 'marc/' . $rs->{database} . "/$id.$format";
166 warn "ERROR: $path not found";
167 ## Unsupported record format
168 $self->{ERR_CODE} = 239;
169 $self->{ERR_STR} = $req_form;
174 open(my $in, '<', $path) || die "$path: $!";
178 $self->{RECORD} = $marc;
182 if ( $offset == $hits ) {
194 my $z = new Net::Z3950::SimpleServer(
195 INIT => \&InitHandle,
196 SEARCH => \&SearchHandle,
197 FETCH => \&FetchHandle,
198 CLOSE => \&CloseHandle
200 $z->launch_server( $0, @ARGV );
202 package Net::Z3950::RPN::And;
205 my ($self,$usemap) = @_;
206 return $self->[0]->render($usemap)
207 . ( $usemap->{RPN}->{And} || ' AND ' )
208 . $self->[1]->render($usemap);
211 package Net::Z3950::RPN::Or;
214 my ($self,$usemap) = @_;
215 return $self->[0]->render($usemap)
216 . ( $usemap->{RPN}->{Or} || ' OR ' )
217 . $self->[1]->render($usemap);
220 package Net::Z3950::RPN::AndNot;
223 my ($self,$usemap) = @_;
224 return $self->[0]->render($usemap)
225 . ( $usemap->{RPN}->{Or} || ' AND NOT ' )
226 . $self->[1]->render($usemap);
229 package Net::Z3950::RPN::Term;
231 use Data::Dump qw(dump);
234 my ($self,$usemap) = @_;
236 die "no usemap" unless $usemap;
238 warn "# render ", dump($self);
239 warn "# usemap ", dump($usemap);
243 foreach my $attr ( @{ $self->{attributes} } ) {
244 my $type = $attr->{attributeType};
245 my $value = $attr->{attributeValue};
246 $attributes->{$type} = $value;
248 if ( defined( my $use = $attributes->{1} ) ) {
249 if ( defined( my $field = $usemap->{$use} ) ) {
253 warn "FIXME add $use in usemap ",dump( $usemap );
254 die { errcode => 114, errstr => $use }; ## Unsupported use attribute
257 if ( defined( my $rel = $attributes->{2} ) )
258 { ## No relation attributes supported
260 die { errcode => 117, errstr => $rel };
263 if ( defined( my $pos = $attributes->{3} ) )
264 { ## No position attributes either
266 die { errcode => 119, errstr => $pos };
269 if ( defined( my $struc = $attributes->{4} ) ) { ## No structure
270 if ( ( $struc != 1 ) && ( $struc != 2 ) ) {
271 die { errcode => 118, errstr => $struc };
274 if ( defined( $attributes->{5} ) ) { ## No truncation
275 # die { errcode => 113, errstr => 5 };
276 warn "# truncation is ignored";
278 my $comp = $attributes->{6};
280 if ( defined($comp) && ( $comp >= 2 ) ) {
281 $prefix = "all$prefix"; # FIXME?
287 if ( $usemap->{prefix_term} ) {
288 warn "# using custom prefix_term query";
289 $q = $usemap->{prefix_term}->( $prefix, $self->{term} );
291 $q = $prefix . $self->{term} . '*';