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=85d465327d104a251ca2a5e29d52a36dda7d2401;hb=1e23eeb797f1bbe48e3d3977d864a3d148b71597;hpb=95d9fda826b88aa89e3ed40e8c040e650cba3822 diff --git a/lib/ZOOM/IRSpy/Record.pm b/lib/ZOOM/IRSpy/Record.pm index 85d4653..c5b6c1b 100644 --- a/lib/ZOOM/IRSpy/Record.pm +++ b/lib/ZOOM/IRSpy/Record.pm @@ -1,14 +1,16 @@ -# $Id: Record.pm,v 1.9 2006-07-24 17:01:46 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 Scalar::Util; use XML::LibXML; use XML::LibXML::XPathContext; - +use ZOOM::IRSpy::Utils qw(xml_encode isodate irspy_xpath_context); =head1 NAME @@ -26,33 +28,46 @@ I<## To follow> sub new { my $class = shift(); - my($target, $zeerex) = @_; + my($irspy, $target, $zeerex) = @_; if (!defined $zeerex) { $zeerex = _empty_zeerex_record($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__; - - $host - $port - $db + + $xhost + $xport + $xdb __EOT__ @@ -63,11 +78,10 @@ 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); + #print STDERR "this=$this, xpath='$xpath', frag='$frag'\n"; + 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) { @@ -75,20 +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>"); @nodes = $xc->findnodes($xpath); die("still no matches for '$xpath' after creating: can't append") if @nodes == 0; } - ZOOM::Log::log("irspy", - scalar(@nodes), " matches for '$xpath': using first") + $this->{irspy}->log("warn", + scalar(@nodes), " matches for '$xpath': using first") if @nodes > 1; $this->_half_decent_appendWellBalancedChunk($nodes[0], $frag); } +sub xpath_context { + my $this = shift(); + + return irspy_xpath_context($this->{zeerex}); +} + +sub store_result { + my ($this, $type, %info) = @_; + my $xml = "\n"; + + $this->append_entry('irspy:status', $xml); +} + # *sigh* # @@ -106,7 +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 @@ -120,8 +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; }