Add support for Type-1's proximity operator

Patch from Simon Jacob

diff --git a/SimpleServer.pm b/SimpleServer.pm
index dff0f9c..77ad19e 100644 (file)
--- a/SimpleServer.pm
+++ b/SimpleServer.pm
@@ -114,12 +114,15 @@ package Net::Z3950::RPN::Or;
 our @ISA = qw(Net::Z3950::RPN::Node);
 package Net::Z3950::RPN::AndNot;
 our @ISA = qw(Net::Z3950::RPN::Node);
+package Net::Z3950::RPN::Prox;
+our @ISA = qw(Net::Z3950::RPN::Node);
 package Net::Z3950::RPN::Term;
 our @ISA = qw(Net::Z3950::RPN::Node);
 package Net::Z3950::RPN::RSID;
 our @ISA = qw(Net::Z3950::RPN::Node);
 package Net::Z3950::RPN::Attributes;
 package Net::Z3950::RPN::Attribute;
+package Net::Z3950::RPN::Prox::Attributes;
 package Net::Z3950::FacetList;
 package Net::Z3950::FacetField;
 package Net::Z3950::FacetTerms;
@@ -144,6 +147,9 @@ sub toPQF {
        return '@and ' . $this->[0]->toPQF() . ' ' . $this->[1]->toPQF();
     } elsif ($class eq "Net::Z3950::RPN::AndNot") {
        return '@not ' . $this->[0]->toPQF() . ' ' . $this->[1]->toPQF();
+    } elsif ($class eq "Net::Z3950::RPN::Prox") {
+    my $pattrs = $this->[3];
+       return '@prox ' . $pattrs->{exclusion} . ' ' . $pattrs->{distance} . ' ' . $pattrs->{ordered} . ' ' . $pattrs->{relationType} . (defined $pattrs->{known} ? ' k ' . $pattrs->{known} : ' p ' . $pattrs->{zprivate}) . ' ' . $this->[0]->toPQF() . ' ' . $this->[1]->toPQF();
     } elsif ($class eq "Net::Z3950::RPN::RSID") {
        return '@set ' . $this->{id};
     } elsif ($class ne "Net::Z3950::RPN::Term") {
@@ -904,7 +910,7 @@ http://search.cpan.org/~esummers/CQL-Parser/
 
 =head1 AUTHORS
 
-Anders Sønderberg (sondberg@indexdata.dk),
+Anders Sønderberg (sondberg@indexdata.dk),
 Sebastian Hammer (quinn@indexdata.dk),
 Mike Taylor (indexdata.com).
 

diff --git a/SimpleServer.xs b/SimpleServer.xs
index c9eb888..26e7413 100644 (file)
--- a/SimpleServer.xs
+++ b/SimpleServer.xs
@@ -482,7 +482,7 @@ static SV *rpn2perl(Z_RPNStructure *s)
        case Z_Operator_and:     type = "Net::Z3950::RPN::And";    break;
        case Z_Operator_or:      type = "Net::Z3950::RPN::Or";     break;
        case Z_Operator_and_not: type = "Net::Z3950::RPN::AndNot"; break;
-       case Z_Operator_prox:    fatal("proximity not yet supported");
+       case Z_Operator_prox:    type = "Net::Z3950::RPN::Prox"; break;
        default: fatal("unknown RPN operator %d", (int) c->roperator->which);
        }
        sv = newObject(type, (SV*) (av = newAV()));
@@ -492,6 +492,21 @@ static SV *rpn2perl(Z_RPNStructure *s)
        if ((tmp = rpn2perl(c->s2)) == 0)
            return 0;
        av_push(av, tmp);
+       if (c->roperator->which == Z_Operator_prox) {
+               Z_ProximityOperator prox = *c->roperator->u.prox;
+               HV *hv;
+               tmp = newObject("Net::Z3950::RPN::Prox::Attributes", (SV*) (hv = newHV()));
+               setMember(hv, "exclusion", newSViv(*prox.exclusion));
+               setMember(hv, "distance", newSViv(*prox.distance));
+               setMember(hv, "ordered", newSViv(*prox.ordered));
+               setMember(hv, "relationType", newSViv(*prox.relationType));
+               if (prox.which == Z_ProximityOperator_known) {
+                       setMember(hv, "known", newSViv(*prox.u.known));
+               } else {
+                       setMember(hv, "zprivate", newSViv(*prox.u.zprivate));
+               }
+               av_push(av, tmp);
+       }
        return sv;
     }