-# $Id: ZOOM.pm,v 1.24 2006-06-15 13:21:30 mike Exp $
-
package Net::Z3950::ZOOM;
use 5.008;
use strict;
use warnings;
-our $VERSION = '1.10';
+our $VERSION = '1.28';
require XSLoader;
XSLoader::load('Net::Z3950::ZOOM', $VERSION);
my($vs, $ss) = ("x" x 100, "x" x 100); # allocate space for these strings
my $version = Net::Z3950::ZOOM::yaz_version($vs, $ss);
-if ($version < 0x020115 && ! -f "/tmp/ignore-ZOOM-YAZ-version-mismatch") {
+if ($version < 0x020132 && ! -f "/tmp/ignore-ZOOM-YAZ-version-mismatch") {
warn <<__EOT__;
*** WARNING!
-ZOOM-Perl requires at least version 2.1.21 of YAZ, but is currently
+ZOOM-Perl requires at least version 2.1.50 of YAZ, but is currently
running against only version $vs (sys-string '$ss').
Some things may not work.
__EOT__
sub EVENT_RECV_SEARCH { 9 }
sub EVENT_END { 10 } # In YAZ 2.1.17 and later
+# CCL error-codes, which are in a different space from the ZOOM errors
+sub CCL_ERR_OK { 0 }
+sub CCL_ERR_TERM_EXPECTED { 1 }
+sub CCL_ERR_RP_EXPECTED { 2 }
+sub CCL_ERR_SETNAME_EXPECTED { 3 }
+sub CCL_ERR_OP_EXPECTED { 4 }
+sub CCL_ERR_BAD_RP { 5 }
+sub CCL_ERR_UNKNOWN_QUAL { 6 }
+sub CCL_ERR_DOUBLE_QUAL { 7 }
+sub CCL_ERR_EQ_EXPECTED { 8 }
+sub CCL_ERR_BAD_RELATION { 9 }
+sub CCL_ERR_TRUNC_NOT_LEFT { 10 }
+sub CCL_ERR_TRUNC_NOT_BOTH { 11 }
+sub CCL_ERR_TRUNC_NOT_RIGHT { 12 }
+
=head1 NAME
return "impossible event " . $code;
}
+
+# Switch API variant depending on $type. This works because the
+# get_string() and get_binary() functions have different returns
+# types, one of which is implemented as a NUL-terminated string and
+# the other as a pointer-and-length structure.
+#
+# Some Z39.50 servers, when asked for an OPAC-format record in the
+# case where no circulation information is available, will return a
+# USMARC record rather than an OPAC record containing only a
+# bibliographic part. This non-OPAC records is not recognised by the
+# underlying record_get() code in ZOOM-C, which ends up returning a
+# null pointer. To make life a little less painful when dealing with
+# such servers until ZOOM-C is fixed, this code recognises the
+# wrong-record-syntax case and returns the XML for the bibliographic
+# part anyway.
+#
+sub record_get {
+ my($rec, $type) = @_;
+
+ my $simpletype = $type;
+ $simpletype =~ s/;.*//;
+ if (grep { $type eq $_ } qw(database syntax schema)) {
+ return record_get_string($rec, $type);
+ } else {
+ my $val = record_get_binary($rec, $type);
+ if ($simpletype eq "opac" && !defined $val) {
+ my $newtype = $type;
+ if ($newtype !~ s/.*?;/xml;/) {
+ $newtype = "xml";
+ }
+ $val = record_get_binary($rec, $newtype);
+ $val = ("<opacRecord>\n <bibliographicRecord>\n" . $val .
+ " </bibliographicRecord>\n</opacRecord>");
+
+ }
+ return $val;
+ }
+}
+
+
=head1 SEE ALSO
The C<ZOOM> module, included in the same distribution as this one.