6 use Net::Z3950::SimpleServer;
16 # databases names (left) must be in uppercase!
18 # 'COBISS' => 'COBISS',
22 'GOOGLEBOOKS' => 'GoogleBooks',
23 'HATHITRUST' => 'vuFind',
26 my $max_records = 3; # XXX configure this
27 my $max_result_sets = 10;
37 $self->{HANDLE} = $session;
38 $self->{IMP_NAME} = "Biblio Z39.50";
39 $self->{IMP_VER} = "0.2";
40 $session->{SETS} = {};
46 diag "SearchHandle ",Dumper($self);
48 my $session = $self->{HANDLE};
49 my $rpn = $self->{RPN};
52 my $database = uc $self->{DATABASES}->[0];
53 my $module = $databases->{$database};
54 if ( ! defined $module ) {
55 $self->{ERR_CODE} = 108;
56 warn $self->{ERR_STR} = "$database NOT FOUND in available databases: " . join(" ", keys %$databases);
60 my $from = $module->new( $database );
62 diag "using $module for $database ", Dumper( $from );
64 eval { $query = $rpn->{query}->render( $from->usemap ); };
65 warn "ERROR: $@" if $@;
66 if ( $@ && ref($@) ) { ## Did someone/something report any errors?
67 $self->{ERR_CODE} = $@->{errcode};
68 $self->{ERR_STR} = $@->{errstr};
72 $query = decode('utf-8', $query); # FIXME Zoom encoding
74 diag "search for $query";
76 my $setname = $self->{SETNAME};
77 my $repl_set = $self->{REPL_SET};
78 diag "SETNAME $setname REPL_SET $repl_set";
80 unless ( $hits = $from->search( $query ) ) {
81 warn $self->{ERR_STR} = "no results for $query";
82 $self->{ERR_CODE} = 108;
85 diag "got $hits hits";
88 upper => $hits < $max_records ? $max_records : $hits,
91 results => [ undef ], # we don't use 0 element
92 database => $database,
94 my $sets = $session->{SETS};
96 if ( defined( $sets->{$setname} ) && !$repl_set ) {
97 $self->{ERR_CODE} = 21;
100 if ( scalar keys %$sets >= $max_result_sets ) {
101 $self->{ERR_CODE} = 112;
102 $self->{ERR_STR} = "Max number is $max_result_sets";
105 $sets->{$setname} = $rs;
106 $self->{HITS} = $session->{HITS} = $hits;
107 $session->{QUERY} = $query;
112 my $session = $self->{HANDLE};
113 my $setname = $self->{SETNAME};
114 my $req_form = $self->{REQ_FORM};
115 my $offset = $self->{OFFSET};
116 my $sets = $session->{SETS};
117 my $hits = $session->{HITS};
121 if ( !defined( $rs = $sets->{$setname} ) ) {
122 $self->{ERR_CODE} = 30;
125 if ( $offset > $hits ) {
126 $self->{ERR_CODE} = 13;
130 $self->{BASENAME} = $rs->{database};
133 $req_form eq Net::Z3950::OID::xml() ? 'xml' :
134 $req_form eq Net::Z3950::OID::unimarc() ? 'unimarc' :
135 $req_form eq Net::Z3950::OID::usmarc() ? 'marc' : # XXX usmarc -> marc
136 die "unknown format $req_form";
139 warn "ERROR: $req_form format not supported";
140 $self->{ERR_CODE} = 239; ## Unsupported record format
141 $self->{ERR_STR} = $req_form;
145 $self->{REP_FORM} = $req_form;
147 my $from = $rs->{from} || die "no from?";
148 # fetch records up to offset
149 while( $#{ $rs->{results} } < $offset ) {
150 push @{ $rs->{results} }, $from->next_marc;
151 warn "# rs result ", $#{ $rs->{results} },"\n";
154 my $id = $rs->{results}->[$offset] || die "no id for record $offset in ",Dumper( $rs->{results} );
156 my $path = 'marc/' . $rs->{database} . "/$id.$format";
158 warn "ERROR: $path not found";
159 ## Unsupported record format
160 $self->{ERR_CODE} = 239;
161 $self->{ERR_STR} = $req_form;
166 open(my $in, '<', $path) || die "$path: $!";
170 $self->{RECORD} = $marc;
174 if ( $offset == $hits ) {
186 my $z = new Net::Z3950::SimpleServer(
187 INIT => \&InitHandle,
188 SEARCH => \&SearchHandle,
189 FETCH => \&FetchHandle,
190 CLOSE => \&CloseHandle
192 $z->launch_server( $0, @ARGV );
194 package Net::Z3950::RPN::And;
197 my ($self,$usemap) = @_;
198 return $self->[0]->render($usemap) . ' AND ' . $self->[1]->render($usemap);
201 package Net::Z3950::RPN::Or;
204 my ($self,$usemap) = @_;
205 return $self->[0]->render($usemap) . ' OR ' . $self->[1]->render($usemap);
208 package Net::Z3950::RPN::AndNot;
211 my ($self,$usemap) = @_;
212 return $self->[0]->render($usemap) . ' AND NOT ' . $self->[1]->render($usemap);
215 package Net::Z3950::RPN::Term;
217 use Data::Dump qw(dump);
220 my ($self,$usemap) = @_;
222 die "no usemap" unless $usemap;
224 warn "# render ", dump($self);
225 warn "# usemap ", dump($usemap);
229 foreach my $attr ( @{ $self->{attributes} } ) {
230 my $type = $attr->{attributeType};
231 my $value = $attr->{attributeValue};
232 $attributes->{$type} = $value;
234 if ( defined( my $use = $attributes->{1} ) ) {
235 if ( defined( my $field = $usemap->{$use} ) ) {
239 warn "FIXME add $use in usemap ",dump( $usemap );
240 die { errcode => 114, errstr => $use }; ## Unsupported use attribute
243 if ( defined( my $rel = $attributes->{2} ) )
244 { ## No relation attributes supported
246 die { errcode => 117, errstr => $rel };
249 if ( defined( my $pos = $attributes->{3} ) )
250 { ## No position attributes either
252 die { errcode => 119, errstr => $pos };
255 if ( defined( my $struc = $attributes->{4} ) ) { ## No structure
256 if ( ( $struc != 1 ) && ( $struc != 2 ) ) {
257 die { errcode => 118, errstr => $struc };
260 if ( defined( $attributes->{5} ) ) { ## No truncation
261 die { errcode => 113, errstr => 5 };
263 my $comp = $attributes->{6};
265 if ( defined($comp) && ( $comp >= 2 ) ) {
266 $prefix = "all$prefix= ";
269 $prefix = "$prefix=";
273 my $q = $prefix . $self->{term} . '*';