%# $Id: found.mc,v 1.4 2006-09-19 11:12:33 mike Exp $ <%once> use XML::LibXML; use XML::LibXML::XPathContext; <%perl> my %params = map { ( $_, $r->param($_)) } $r->param(); my $query = ""; foreach my $key (keys %params) { next if $key =~ /^_/; my $val = $params{$key}; next if $val eq ""; $query .= " and " if $query ne ""; $query .= "$key = ($val)"; } $query = 'cql.allRecords=x' if $query eq ""; ### We can think about keeping the Connection object open to re-use # for multiple requests, but that may not get us much. Same applies # for the XML parser. my $conn = new ZOOM::Connection("localhost:1313/IR-Explain---1"); $conn->option(elementSetName => "zeerex"); my $parser = new XML::LibXML(); my $rs = $conn->search(new ZOOM::Query::CQL($query)); my $n = $rs->size(); my $skip = $params{"_skip"} || 0; my $count = $params{"_count"} || 10; my $first = $skip+1; my $last = $first+$count-1; $last = $n if $last > $n;

<% $query %>
% if ($n == 0) { No matches % } elsif ($first > $n) { %# "Can't happen" Past end of <% $n %> records % } else { Records <% $first %> to <% $last %> of <% $n %>
<%perl> if ($skip > 0) { $params{_skip} = $count < $skip ? $skip-$count : 0; my $prev = "?" . join("&", map { "$_=" . $params{$_} } sort keys %params); print qq[ Prev\n]; } else { print qq[ Prev\n]; } if ($last < $n) { $params{_skip} = $skip+$count; my $next = "?" . join("&", map { "$_=" . $params{$_} } sort keys %params); print qq[ Next\n]; } else { print qq[ Next\n]; } % }

% if ($n > 0 && $first <= $n) { % foreach my $i ($first .. $last) { <%perl> my $rec = $rs->record($i-1); my $xml = $rec->render(); my $doc = $parser->parse_string($xml); my $root = $doc->getDocumentElement(); my $xc = XML::LibXML::XPathContext->new($root); $xc->registerNs(e => 'http://explain.z3950.org/dtd/2.0/'); my $title = $xc->find("e:databaseInfo/e:title"); my $host = $xc->find("e:serverInfo/e:host"); my $port = $xc->find("e:serverInfo/e:port"); my $db = $xc->find("e:serverInfo/e:database"); my $id = $xc->find("concat(e:serverInfo/e:host, ':', e:serverInfo/e:port, '/', e:serverInfo/e:database)"); %}
# Title Host Port DB
<% $i %> <% $title %> <% $host %> <% $port %> <% $db %> ">[Check] ">[Raw]
% }