X-Git-Url: http://git.indexdata.com/?p=irspy-moved-to-github.git;a=blobdiff_plain;f=lib%2FZOOM%2FIRSpy%2FRecord.pm;h=c5b6c1bab63ac6965c9a5fb33b2f5d95dcd154e6;hp=1ab5033308245ee4b9c1aa0dfe5da7c3ca4a1b1c;hb=1e23eeb797f1bbe48e3d3977d864a3d148b71597;hpb=bc98b77c07920354da337f6d3f6c31b50ab6616c

diff --git a/lib/ZOOM/IRSpy/Record.pm b/lib/ZOOM/IRSpy/Record.pm
index 1ab5033..c5b6c1b 100644
--- a/lib/ZOOM/IRSpy/Record.pm
+++ b/lib/ZOOM/IRSpy/Record.pm
@@ -1,17 +1,16 @@
-# $Id: Record.pm,v 1.13 2006-09-26 09:08:09 mike Exp $
 
 package ZOOM::IRSpy::Record;
+### I don't think there's any reason for this to be separate from
+#   ZOOM::IRSpy::Connection, now that the correspondence is always 1:1
 
 use 5.008;
 use strict;
 use warnings;
 
-use Exporter 'import';
-our @EXPORT_OK = qw(xml_encode);
-
+use Scalar::Util;
 use XML::LibXML;
 use XML::LibXML::XPathContext;
-
+use ZOOM::IRSpy::Utils qw(xml_encode isodate irspy_xpath_context);
 
 =head1 NAME
 
@@ -35,28 +34,37 @@ sub new {
 	$zeerex = _empty_zeerex_record($target);
     }
 
+    ### Parser should be in the IRSpy object
     my $parser = new XML::LibXML();
-    return bless {
+    my $this = bless {
 	irspy => $irspy,
 	target => $target,
 	parser => $parser,
 	zeerex => $parser->parse_string($zeerex)->documentElement(),
+	zoom_error => { TIMEOUT => 0 },
     }, $class;
+
+    #Scalar::Util::weaken($this->{irspy});
+    #Scalar::Util::weaken($this->{parser});
+
+    return $this;
 }
 
+sub zoom_error { return shift->{'zoom_error'} }
 
 sub _empty_zeerex_record {
     my($target) = @_;
 
-    ### Doesn't recognise SRU/SRW URLs
-    my($host, $port, $db) = ZOOM::IRSpy::_parse_target_string($target);
+    my($protocol, $host, $port, $db) =
+	ZOOM::IRSpy::_parse_target_string($target);
 
+    my $xprotocol = xml_encode($protocol);
     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">
+ <serverInfo protocol="$xprotocol">
   <host>$xhost</host>
   <port>$xport</port>
   <database>$xdb</database>
@@ -66,31 +74,14 @@ __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/&/&amp;/g;
-    $text =~ s/</&lt;/g;
-    $text =~ s/>/&gt;/g;
-    $text =~ s/['']/&apos;/g;
-    $text =~ s/[""]/&quot;/g;
-    return $text;
-}
-
-
 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
-    my $xc = XML::LibXML::XPathContext->new($root);
+    my $xc = $this->xpath_context();
     $xc->registerNs(zeerex => "http://explain.z3950.org/dtd/2.0/");
-    $xc->registerNs(irspy => "http://indexdata.com/irspy/1.0");
+    $xc->registerNs(irspy => $ZOOM::IRSpy::Utils::IRSPY_NS);
 
     my @nodes = $xc->findnodes($xpath);
     if (@nodes == 0) {
@@ -98,20 +89,39 @@ sub append_entry {
 	# fully general version would work its way through each
 	# component of the XPath, but for now we just treat it as a
 	# single chunk to go inside the top-level node.
-	$this->_half_decent_appendWellBalancedChunk($root,
+	$this->_half_decent_appendWellBalancedChunk($xc->getContextNode(),
 						    "<$xpath></$xpath>");
 	@nodes = $xc->findnodes($xpath);
 	die("still no matches for '$xpath' after creating: can't append")
 	    if @nodes == 0;
     }
 
-    $this->{irspy}->log("irspy",
+    $this->{irspy}->log("warn",
 			scalar(@nodes), " matches for '$xpath': using first")
 	if @nodes > 1;
 
     $this->_half_decent_appendWellBalancedChunk($nodes[0], $frag);
 }
 
+sub xpath_context {
+    my $this = shift();
+
+    return irspy_xpath_context($this->{zeerex});
+}
+
+sub store_result {
+    my ($this, $type, %info) = @_;
+    my $xml = "<irspy:$type";
+
+    foreach my $key (keys %info) {
+        $xml .= " $key=\"" . xml_encode($info{$key}) . "\"";
+    }
+
+    $xml .= ">" . isodate(time()) . "</irspy:$type>\n";
+
+    $this->append_entry('irspy:status', $xml);
+}
+
 
 # *sigh*
 #
@@ -129,7 +139,7 @@ sub append_entry {
 # namespace mapping for that node -- but that only affects pre-parsed
 # trees, and is no use for parsing.  Hence the following pair of lines
 # DOES NOT WORK:
-#	$node->setNamespace("http://indexdata.com/irspy/1.0", "irspy", 0);
+#	$node->setNamespace($ZOOM::IRSpy::Utils::IRSPY_NS, "irspy", 0);
 #	$node->appendWellBalancedChunk($frag);
 #
 # Instead I have to go the long way round, hence this method.  I have
@@ -143,8 +153,13 @@ sub _half_decent_appendWellBalancedChunk {
     my($node, $frag) = @_;
 
     if (1) {
-	$frag =~ s,>, xmlns:irspy="http://indexdata.com/irspy/1.0">,;
-	$node->appendWellBalancedChunk($frag);
+	$frag =~ s,>, xmlns:irspy="$ZOOM::IRSpy::Utils::IRSPY_NS">,;
+	eval {
+	    $node->appendWellBalancedChunk($frag);
+	}; if ($@) {
+	    print STDERR "died while trying to appendWellBalancedChunk(), probably due to bad XML:\n$frag";
+	    die $@;
+	}
 	return;
     }