XML::DTD::FAState - Perl module representing a state of a finite automaton

  use XML::DTD::FAState;

XML::DTD::FAState is a Perl module representing a state of a finite automaton. The following methods are provided.

new

 my $s = XML::DTD::FAState->new('state label');
 my $sf = XML::DTD::FAState->new('state label', 1); # Final state

Construct a new XML::DTD::FAState object.

isa

if (XML::DTD::FAState->isa($obj) { ... }

Test object type.

label

 print $s->label;

Return state label.

backref

 my $br = $s->backref;

Get list of back references.

transitions

 my $tlst = $s->transitions;

Get all outbound transitions as list of (destination,symbol) pairs.

outsymbols

 my $symball = $s->outsymbols;
 my $s1 = XML::DTD::FAState->new('state label');
 my $symbdst = $s->outsymbols(s1);

Get array of all outbound transition symbols, or just those associated with a specified destination state.

deststates

 my $dstall = $s->deststates;
 my $dstsmb = $s->deststates('transition symbol');

Get array of all destination states, or just those associated with a specified transition symbol.

settrans

 my $dst = XML::DTD::FAState->new('state label');
 my $s->settrans($dst, 'transition symbol');

Add a transition to another state.

clrtrans

 $s->clrtrans($dst, 'transition symbol');

Remove a transition to another node.

XML::DTD::Automaton

Brendt Wohlberg <wohl@cpan.org>

Copyright (C) 2006,2010 by Brendt Wohlberg

This library is available under the terms of the GNU General Public License (GPL), described in the GPL file included in this distribution.