-# $Id: ZOOM.pm,v 1.26 2006-02-10 16:24:34 mike Exp $
+# $Id: ZOOM.pm,v 1.34 2006-06-13 16:44:21 mike Exp $
use strict;
use warnings;
package ZOOM;
-
# Member naming convention: hash-element names which begin with an
# underscore represent underlying ZOOM-C object descriptors; those
# which lack them represent Perl's ZOOM objects. (The same convention
sub INVALID_QUERY { Net::Z3950::ZOOM::ERROR_INVALID_QUERY }
sub CQL_PARSE { Net::Z3950::ZOOM::ERROR_CQL_PARSE }
sub CQL_TRANSFORM { Net::Z3950::ZOOM::ERROR_CQL_TRANSFORM }
+sub CCL_CONFIG { Net::Z3950::ZOOM::ERROR_CCL_CONFIG }
+sub CCL_PARSE { Net::Z3950::ZOOM::ERROR_CCL_PARSE }
# The following are added specifically for this OO interface
sub CREATE_QUERY { 20001 }
sub QUERY_CQL { 20002 }
sub RECV_APDU { Net::Z3950::ZOOM::EVENT_RECV_APDU }
sub RECV_RECORD { Net::Z3950::ZOOM::EVENT_RECV_RECORD }
sub RECV_SEARCH { Net::Z3950::ZOOM::EVENT_RECV_SEARCH }
+sub ZEND { Net::Z3950::ZOOM::EVENT_END }
# ----------------------------------------------------------------------------
return Net::Z3950::ZOOM::diag_str($code);
}
+sub event_str {
+ return Net::Z3950::ZOOM::event_str(@_);
+}
+
+sub event {
+ my($connsref) = @_;
+
+ my @_connsref = map { $_->_conn() } @$connsref;
+ return Net::Z3950::ZOOM::event(\@_connsref);
+}
+
sub _oops {
my($code, $addinfo, $diagset) = @_;
sub new {
my $class = shift();
- my($host, $port) = @_;
+ my($host, $port, @options) = @_;
+
+ my $_opts = Net::Z3950::ZOOM::options_create();
+ while (@options >= 2) {
+ my $key = shift(@options);
+ my $val = shift(@options);
+ Net::Z3950::ZOOM::options_set($_opts, $key, $val);
+ }
- my $_conn = Net::Z3950::ZOOM::connection_new($host, $port || 0);
+ die "Odd number of options specified"
+ if @options;
+
+ my $_conn = Net::Z3950::ZOOM::connection_create($_opts);
+ Net::Z3950::ZOOM::connection_connect($_conn, $host, $port || 0);
my $conn = bless {
host => $host,
port => $port,
_conn => $_conn,
};
+
$conn->_check();
return $conn;
}
-# PRIVATE to this class and to ZOOM::Query::CQL2RPN::new()
+# PRIVATE to this class, to ZOOM::event() and to ZOOM::Query::CQL2RPN::new()
sub _conn {
my $this = shift();
return _new ZOOM::Package($this, $options, $_p);
}
+sub last_event {
+ my $this = shift();
+
+ return Net::Z3950::ZOOM::connection_last_event($this->_conn());
+}
+
sub destroy {
my $this = shift();
}
+# It's distressing how very similar this is to CQL2RPN
+package ZOOM::Query::CCL2RPN;
+our @ISA = qw(ZOOM::Query);
+
+sub new {
+ my $class = shift();
+ my($string, $conn) = @_;
+
+ my $q = Net::Z3950::ZOOM::query_create()
+ or ZOOM::_oops(ZOOM::Error::CREATE_QUERY);
+ # check() throws the exception we want; but we only want it on failure!
+ Net::Z3950::ZOOM::query_ccl2rpn($q, $string, $conn->_conn()) == 0
+ or $conn->_check();
+
+ return bless {
+ _query => $q,
+ }, $class;
+}
+
+
package ZOOM::Query::PQF;
our @ISA = qw(ZOOM::Query);
sub render {
my $this = shift();
- my $len = 0;
- my $string = Net::Z3950::ZOOM::record_get($this->_rec(), "render", $len);
- # I don't think we need '$len' at all. ### Probably the Perl-to-C
- # glue code should use the value of `len' as well as the opaque
- # data-pointer returned, to ensure that the SV contains all of the
- # returned data and does not stop at the first NUL character in
- # binary data. Carefully check the ZOOM_record_get() documentation.
- return $string;
+ return $this->get("render", @_);
}
sub raw {
my $this = shift();
+ return $this->get("raw", @_);
+}
+
+sub get {
+ my $this = shift();
+ my($type, $args) = @_;
+
+ $type = "$type;$args" if defined $args;
my $len = 0;
- my $string = Net::Z3950::ZOOM::record_get($this->_rec(), "raw", $len);
- # See comment about $len in render()
+ my $string = Net::Z3950::ZOOM::record_get($this->_rec(), $type, $len);
+ # I don't think we need '$len' at all. ### Probably the Perl-to-C
+ # glue code should use the value of `len' as well as the opaque
+ # data-pointer returned, to ensure that the SV contains all of the
+ # returned data and does not stop at the first NUL character in
+ # binary data. Carefully check the ZOOM_record_get() documentation.
return $string;
}