6 use Net::Z3950::SimpleServer;
15 # databases names (left) must be in uppercase!
17 # 'COBISS' => 'COBISS',
21 'GOOGLEBOOKS' => 'GoogleBooks',
24 my $max_records = 3; # XXX configure this
25 my $max_result_sets = 10;
35 $self->{HANDLE} = $session;
36 $self->{IMP_NAME} = "Biblio Z39.50";
37 $self->{IMP_VER} = "0.2";
38 $session->{SETS} = {};
44 diag "SearchHandle ",Dumper($self);
46 my $session = $self->{HANDLE};
47 my $rpn = $self->{RPN};
50 my $database = uc $self->{DATABASES}->[0];
51 my $module = $databases->{$database};
52 if ( ! defined $module ) {
53 $self->{ERR_CODE} = 108;
54 warn $self->{ERR_STR} = "$database NOT FOUND in available databases: " . join(" ", keys %$databases);
58 my $from = $module->new( $database );
60 diag "using $module for $database ", Dumper( $from );
62 eval { $query = $rpn->{query}->render( $from->usemap ); };
63 warn "ERROR: $@" if $@;
64 if ( $@ && ref($@) ) { ## Did someone/something report any errors?
65 $self->{ERR_CODE} = $@->{errcode};
66 $self->{ERR_STR} = $@->{errstr};
70 $query = decode('utf-8', $query); # FIXME Zoom encoding
72 diag "search for $query";
74 my $setname = $self->{SETNAME};
75 my $repl_set = $self->{REPL_SET};
76 diag "SETNAME $setname REPL_SET $repl_set";
78 unless ( $hits = $from->search( $query ) ) {
79 warn $self->{ERR_STR} = "no results for $query";
80 $self->{ERR_CODE} = 108;
83 diag "got $hits hits";
86 upper => $hits < $max_records ? $max_records : $hits,
89 results => [ undef ], # we don't use 0 element
90 database => $database,
92 my $sets = $session->{SETS};
94 if ( defined( $sets->{$setname} ) && !$repl_set ) {
95 $self->{ERR_CODE} = 21;
98 if ( scalar keys %$sets >= $max_result_sets ) {
99 $self->{ERR_CODE} = 112;
100 $self->{ERR_STR} = "Max number is $max_result_sets";
103 $sets->{$setname} = $rs;
104 $self->{HITS} = $session->{HITS} = $hits;
105 $session->{QUERY} = $query;
110 my $session = $self->{HANDLE};
111 my $setname = $self->{SETNAME};
112 my $req_form = $self->{REQ_FORM};
113 my $offset = $self->{OFFSET};
114 my $sets = $session->{SETS};
115 my $hits = $session->{HITS};
119 if ( !defined( $rs = $sets->{$setname} ) ) {
120 $self->{ERR_CODE} = 30;
123 if ( $offset > $hits ) {
124 $self->{ERR_CODE} = 13;
128 $self->{BASENAME} = $rs->{database};
131 $req_form eq Net::Z3950::OID::xml() ? 'xml' :
132 $req_form eq Net::Z3950::OID::unimarc() ? 'unimarc' :
133 $req_form eq Net::Z3950::OID::usmarc() ? 'marc' : # XXX usmarc -> marc
134 die "unknown format $req_form";
137 warn "ERROR: $req_form format not supported";
138 $self->{ERR_CODE} = 239; ## Unsupported record format
139 $self->{ERR_STR} = $req_form;
143 $self->{REP_FORM} = $req_form;
145 my $from = $rs->{from} || die "no from?";
146 # fetch records up to offset
147 while( $#{ $rs->{results} } < $offset ) {
148 push @{ $rs->{results} }, $from->next_marc;
149 warn "# rs result ", $#{ $rs->{results} },"\n";
152 my $id = $rs->{results}->[$offset] || die "no id for record $offset in ",Dumper( $rs->{results} );
154 my $path = 'marc/' . $rs->{database} . "/$id.$format";
156 warn "ERROR: $path not found";
157 ## Unsupported record format
158 $self->{ERR_CODE} = 239;
159 $self->{ERR_STR} = $req_form;
164 open(my $in, '<', $path) || die "$path: $!";
168 $self->{RECORD} = $marc;
172 if ( $offset == $hits ) {
184 my $z = new Net::Z3950::SimpleServer(
185 INIT => \&InitHandle,
186 SEARCH => \&SearchHandle,
187 FETCH => \&FetchHandle,
188 CLOSE => \&CloseHandle
190 $z->launch_server( $0, @ARGV );
192 package Net::Z3950::RPN::And;
195 my ($self,$usemap) = @_;
196 return $self->[0]->render($usemap) . ' AND ' . $self->[1]->render($usemap);
199 package Net::Z3950::RPN::Or;
202 my ($self,$usemap) = @_;
203 return $self->[0]->render($usemap) . ' OR ' . $self->[1]->render($usemap);
206 package Net::Z3950::RPN::AndNot;
209 my ($self,$usemap) = @_;
210 return $self->[0]->render($usemap) . ' AND NOT ' . $self->[1]->render($usemap);
213 package Net::Z3950::RPN::Term;
215 use Data::Dump qw(dump);
219 my ($self,$usemap) = @_;
221 die "no usemap" unless $usemap;
223 warn "# render ", dump($self);
224 warn "# usemap ", dump($usemap);
228 foreach my $attr ( @{ $self->{attributes} } ) {
229 my $type = $attr->{attributeType};
230 my $value = $attr->{attributeValue};
231 $attributes->{$type} = $value;
233 if ( defined( my $use = $attributes->{1} ) ) {
234 if ( defined( my $field = $usemap->{$use} ) ) {
238 warn "FIXME add $use in usemap ",dump( $usemap );
239 die { errcode => 114, errstr => $use }; ## Unsupported use attribute
242 if ( defined( my $rel = $attributes->{2} ) )
243 { ## No relation attributes supported
245 die { errcode => 117, errstr => $rel };
248 if ( defined( my $pos = $attributes->{3} ) )
249 { ## No position attributes either
251 die { errcode => 119, errstr => $pos };
254 if ( defined( my $struc = $attributes->{4} ) ) { ## No structure
255 if ( ( $struc != 1 ) && ( $struc != 2 ) ) {
256 die { errcode => 118, errstr => $struc };
259 if ( defined( $attributes->{5} ) ) { ## No truncation
260 die { errcode => 113, errstr => 5 };
262 my $comp = $attributes->{6};
264 if ( defined($comp) && ( $comp >= 2 ) ) {
265 $prefix = "all$prefix= ";
268 $prefix = "$prefix=";
272 my $q = $prefix . $self->{term} . '*';