f29e995103
Record types cannot be duplicated however. DBD sub-objects now have a ->what method for their description. This also adds a method to look up a breaktable by name.
53 lines
1.5 KiB
Perl
53 lines
1.5 KiB
Perl
package DBD::Device;
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use DBD::Base;
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@ISA = qw(DBD::Base);
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my %link_types = (
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CONSTANT => qr/$RXnum/o,
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PV_LINK => qr/$RXname \s+ [.NPCAMS ]*/ox,
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VME_IO => qr/\# (?: \s* [CS] \s* $RXintx)* \s* (?: @ .*)?/ox,
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CAMAC_IO => qr/\# (?: \s* [BCNAF] \s* $RXintx)* \s* (?: @ .*)?/ox,
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RF_IO => qr/\# (?: \s* [RMDE] \s* $RXintx)*/ox,
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AB_IO => qr/\# (?: \s* [LACS] \s* $RXintx)* \s* (?: @ .*)?/ox,
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GPIB_IO => qr/\# (?: \s* [LA] \s* $RXintx)* \s* (?: @ .*)?/ox,
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BITBUS_IO => qr/\# (?: \s* [LNPS] \s* $RXuintx)* \s* (?: @ .*)?/ox,
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BBGPIB_IO => qr/\# (?: \s* [LBG] \s* $RXuintx)* \s* (?: @ .*)?/ox,
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VXI_IO => qr/\# (?: \s* [VCS] \s* $RXintx)* \s* (?: @ .*)?/ox,
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INST_IO => qr/@.*/
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);
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sub init {
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my ($this, $link_type, $dset, $choice) = @_;
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unquote $choice;
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dieContext("Unknown link type '$link_type', valid types are:",
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sort keys %link_types) unless exists $link_types{$link_type};
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$this->SUPER::init($dset, "device support (dset)");
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$this->{LINK_TYPE} = $link_type;
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$this->{CHOICE} = $choice;
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return $this;
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}
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sub link_type {
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return shift->{LINK_TYPE};
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}
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sub choice {
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return shift->{CHOICE};
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}
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sub legal_addr {
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my ($this, $addr) = @_;
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my $rx = $link_types{$this->{LINK_TYPE}};
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unquote $addr;
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return $addr =~ m/^ $rx $/x;
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}
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sub equals {
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my ($a, $b) = @_;
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return $a->SUPER::equals($b)
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&& $a->{LINK_TYPE} eq $b->{LINK_TYPE}
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&& $a->{CHOICE} eq $b->{CHOICE};
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}
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1;
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