+sub _empty_zeerex_record {
+ my($target) = @_;
+
+ ### Doesn't recognise SRU/SRW URLs
+ my($host, $port, $db) = ZOOM::IRSpy::_parse_target_string($target);
+
+ return <<__EOT__;
+<explain xmlns="http://explain.z3950.org/dtd/2.0/">
+ <serverInfo protocol="Z39.50" version="1995">
+ <host>$host</host>
+ <port>$port</port>
+ <database>$db</database>
+ </serverInfo>
+</explain>
+__EOT__
+}
+
+
+sub append_entry {
+ my $this = shift();
+ my($xpath, $frag) = @_;
+
+ print STDERR "this=$this, xpath='$xpath', frag='$frag'\n";
+ my $root = $this->{zeerex}; # XML::LibXML::Element ISA XML::LibXML::Node
+ print "Record='", $root->toString(), "'\n";
+ my $xc = XML::LibXML::XPathContext->new($root);
+ $xc->registerNs(zeerex => "http://explain.z3950.org/dtd/2.0/");
+ $xc->registerNs(irspy => "http://indexdata.com/irspy/1.0");
+
+ my @nodes = $xc->findnodes($xpath);
+ if (@nodes == 0) {
+ ZOOM::Log::log("irspy", "no matches for '$xpath': can't append");
+ return;
+ } elsif (@nodes > 1) {
+ ZOOM::Log::log("irspy", scalar(@nodes),
+ " matches for '$xpath': using first");
+ }
+
+ print STDERR "zeerex='$root'\n";
+}
+
+