-# $Id: Record.pm,v 1.9 2006-07-24 17:01:46 mike Exp $
+# $Id: Record.pm,v 1.14 2006-10-12 16:54:13 mike Exp $
package ZOOM::IRSpy::Record;
use strict;
use warnings;
+use Exporter 'import';
+our @EXPORT_OK = qw(xml_encode);
+
use XML::LibXML;
use XML::LibXML::XPathContext;
sub new {
my $class = shift();
- my($target, $zeerex) = @_;
+ my($irspy, $target, $zeerex) = @_;
if (!defined $zeerex) {
$zeerex = _empty_zeerex_record($target);
my $parser = new XML::LibXML();
return bless {
+ irspy => $irspy,
target => $target,
parser => $parser,
zeerex => $parser->parse_string($zeerex)->documentElement(),
### Doesn't recognise SRU/SRW URLs
my($host, $port, $db) = ZOOM::IRSpy::_parse_target_string($target);
+ my $xhost = xml_encode($host);
+ my $xport = xml_encode($port);
+ my $xdb = xml_encode($db);
return <<__EOT__;
<explain xmlns="http://explain.z3950.org/dtd/2.0/">
<serverInfo protocol="Z39.50" version="1995">
- <host>$host</host>
- <port>$port</port>
- <database>$db</database>
+ <host>$xhost</host>
+ <port>$xport</port>
+ <database>$xdb</database>
</serverInfo>
</explain>
__EOT__
}
+# I can't -- just can't, can't, can't -- believe that this function
+# isn't provided by one of the core XML modules. But the evidence all
+# says that it's not: among other things, XML::Generator and
+# Template::Plugin both roll their own. So I will do likewise. D'oh!
+#
+sub xml_encode {
+ my ($text) = @_;
+ $text =~ s/&/&/g;
+ $text =~ s/</</g;
+ $text =~ s/>/>/g;
+ $text =~ s/['']/'/g;
+ $text =~ s/[""]/"/g;
+ return $text;
+}
+
+
sub append_entry {
my $this = shift();
my($xpath, $frag) = @_;
- print STDERR "this=$this, xpath='$xpath', frag='$frag'\n";
+ #print STDERR "this=$this, xpath='$xpath', frag='$frag'\n";
my $root = $this->{zeerex}; # XML::LibXML::Element ISA XML::LibXML::Node
my $xc = XML::LibXML::XPathContext->new($root);
$xc->registerNs(zeerex => "http://explain.z3950.org/dtd/2.0/");
if @nodes == 0;
}
- ZOOM::Log::log("irspy",
- scalar(@nodes), " matches for '$xpath': using first")
+ $this->{irspy}->log("warn",
+ scalar(@nodes), " matches for '$xpath': using first")
if @nodes > 1;
$this->_half_decent_appendWellBalancedChunk($nodes[0], $frag);