6 use Net::Z3950::SimpleServer;
19 my $max_records = 3; # XXX configure this
20 my $max_result_sets = 10;
30 $self->{HANDLE} = $session;
31 $self->{IMP_NAME} = "Biblio Z39.50";
32 $self->{IMP_VER} = "0.2";
33 $session->{SETS} = {};
39 diag "SearchHandle ",Dumper($self);
41 my $session = $self->{HANDLE};
42 my $rpn = $self->{RPN};
45 my $database = uc $self->{DATABASES}->[0];
46 my $module = $databases->{$database};
47 if ( ! defined $module ) {
48 $self->{ERR_CODE} = 108;
49 warn $self->{ERR_STR} = "$database NOT FOUND in available databases: " . join(" ", keys %$databases);
53 my $from = $module->new( $database );
55 diag "using $module for $database ", Dumper( $from );
57 eval { $query = $rpn->{query}->render( $from->usemap ); };
58 warn "ERROR: $@" if $@;
59 if ( $@ && ref($@) ) { ## Did someone/something report any errors?
60 $self->{ERR_CODE} = $@->{errcode};
61 $self->{ERR_STR} = $@->{errstr};
65 diag "search for $query";
67 my $setname = $self->{SETNAME};
68 my $repl_set = $self->{REPL_SET};
69 diag "SETNAME $setname REPL_SET $repl_set";
71 unless ( $hits = $from->search( $query ) ) {
72 warn $self->{ERR_STR} = "no results for $query";
73 $self->{ERR_CODE} = 108;
76 diag "got $hits hits";
79 upper => $hits < $max_records ? $max_records : $hits,
82 results => [ undef ], # we don't use 0 element
83 database => $database,
85 my $sets = $session->{SETS};
87 if ( defined( $sets->{$setname} ) && !$repl_set ) {
88 $self->{ERR_CODE} = 21;
91 if ( scalar keys %$sets >= $max_result_sets ) {
92 $self->{ERR_CODE} = 112;
93 $self->{ERR_STR} = "Max number is $max_result_sets";
96 $sets->{$setname} = $rs;
97 $self->{HITS} = $session->{HITS} = $hits;
98 $session->{QUERY} = $query;
103 my $session = $self->{HANDLE};
104 my $setname = $self->{SETNAME};
105 my $req_form = $self->{REQ_FORM};
106 my $offset = $self->{OFFSET};
107 my $sets = $session->{SETS};
108 my $hits = $session->{HITS};
112 if ( !defined( $rs = $sets->{$setname} ) ) {
113 $self->{ERR_CODE} = 30;
116 if ( $offset > $hits ) {
117 $self->{ERR_CODE} = 13;
121 $self->{BASENAME} = "HtmlZ3950";
124 $req_form eq Net::Z3950::OID::xml() ? 'xml' :
125 $req_form eq Net::Z3950::OID::unimarc() ? 'unimarc' :
126 $req_form eq Net::Z3950::OID::usmarc() ? 'marc' : # XXX usmarc -> marc
130 warn "ERROR: $req_form format not supported";
131 $self->{ERR_CODE} = 239; ## Unsupported record format
132 $self->{ERR_STR} = $req_form;
136 $self->{REP_FORM} = $req_form;
138 my $from = $rs->{from} || die "no from?";
139 # fetch records up to offset
140 while( $#{ $rs->{results} } < $offset ) {
141 push @{ $rs->{results} }, $from->next_marc;
142 warn "# rs result ", $#{ $rs->{results} },"\n";
145 my $id = $rs->{results}->[$offset] || die "no id for record $offset in ",Dumper( $rs->{results} );
147 my $path = 'marc/' . $rs->{database} . "/$id.$format";
149 warn "ERROR: $path not found";
150 ## Unsupported record format
151 $self->{ERR_CODE} = 239;
152 $self->{ERR_STR} = $req_form;
157 open(my $in, '<', $path) || die "$path: $!";
161 $self->{RECORD} = $marc;
165 if ( $offset == $hits ) {
177 my $z = new Net::Z3950::SimpleServer(
178 INIT => \&InitHandle,
179 SEARCH => \&SearchHandle,
180 FETCH => \&FetchHandle,
181 CLOSE => \&CloseHandle
183 $z->launch_server( $0, @ARGV );
185 package Net::Z3950::RPN::And;
188 my ($self,$usemap) = @_;
189 return $self->[0]->render($usemap) . ' AND ' . $self->[1]->render($usemap);
192 package Net::Z3950::RPN::Or;
195 my ($self,$usemap) = @_;
196 return $self->[0]->render($usemap) . ' OR ' . $self->[1]->render($usemap);
199 package Net::Z3950::RPN::AndNot;
202 my ($self,$usemap) = @_;
203 return $self->[0]->render($usemap) . ' AND NOT ' . $self->[1]->render($usemap);
206 package Net::Z3950::RPN::Term;
208 use Data::Dump qw(dump);
212 my ($self,$usemap) = @_;
214 die "no usemap" unless $usemap;
216 warn "# render ", dump($self);
217 warn "# usemap ", dump($usemap);
221 foreach my $attr ( @{ $self->{attributes} } ) {
222 my $type = $attr->{attributeType};
223 my $value = $attr->{attributeValue};
224 $attributes->{$type} = $value;
226 if ( defined( my $use = $attributes->{1} ) ) {
227 if ( defined( my $field = $usemap->{$use} ) ) {
231 warn "FIXME add $use in usemap ",dump( $usemap );
232 die { errcode => 114, errstr => $use }; ## Unsupported use attribute
235 if ( defined( my $rel = $attributes->{2} ) )
236 { ## No relation attributes supported
238 die { errcode => 117, errstr => $rel };
241 if ( defined( my $pos = $attributes->{3} ) )
242 { ## No position attributes either
244 die { errcode => 119, errstr => $pos };
247 if ( defined( my $struc = $attributes->{4} ) ) { ## No structure
248 if ( ( $struc != 1 ) && ( $struc != 2 ) ) {
249 die { errcode => 118, errstr => $struc };
252 if ( defined( $attributes->{5} ) ) { ## No truncation
253 die { errcode => 113, errstr => 5 };
255 my $comp = $attributes->{6};
257 if ( defined($comp) && ( $comp >= 2 ) ) {
258 $prefix = "all$prefix= ";
261 $prefix = "$prefix=";
265 my $q = $prefix . $self->{term};