| 1 |
williamc |
1.1 |
#
|
| 2 |
|
|
# TreeNode - associate an object to a tree node in order to link it in
|
| 3 |
|
|
# to a searchable tree like structure
|
| 4 |
|
|
#
|
| 5 |
|
|
# Interface
|
| 6 |
|
|
# -----------
|
| 7 |
|
|
# new(name) : The name is just a plain string
|
| 8 |
|
|
# setparent(parentnode) : Set the parent node
|
| 9 |
|
|
# getparent() : return the parent node
|
| 10 |
|
|
# grow(node) : grow a new node extending from this node
|
| 11 |
|
|
# nodeList() : return a list of attatched nodes
|
| 12 |
|
|
# setassociate(Object) : Associate node with an object reference
|
| 13 |
|
|
# associate() : return the associated object reference
|
| 14 |
|
|
# find(string) : return the tree node that matches the search string
|
| 15 |
|
|
# within the current tree
|
| 16 |
|
|
# name() : return the name of the object
|
| 17 |
|
|
|
| 18 |
|
|
package TreeNode;
|
| 19 |
|
|
|
| 20 |
|
|
sub new {
|
| 21 |
|
|
my $class=shift;
|
| 22 |
|
|
my $name=shift;
|
| 23 |
|
|
$self={};
|
| 24 |
|
|
bless $self, $class;
|
| 25 |
|
|
$self->{name}=$name;
|
| 26 |
|
|
$self->{nodelist}=List->(new);
|
| 27 |
|
|
$self->{monkey}=TreeMonkey->new();
|
| 28 |
|
|
$self->{parent}="";
|
| 29 |
|
|
return $self;
|
| 30 |
|
|
}
|
| 31 |
|
|
|
| 32 |
|
|
sub setparent() {
|
| 33 |
|
|
my $self=shift;
|
| 34 |
|
|
$self->{parent}=shift;
|
| 35 |
|
|
}
|
| 36 |
|
|
|
| 37 |
|
|
sub getparent() {
|
| 38 |
|
|
my $self=shift;
|
| 39 |
|
|
return $self->{parent};
|
| 40 |
|
|
}
|
| 41 |
|
|
|
| 42 |
|
|
sub grow {
|
| 43 |
|
|
my $self=shift;
|
| 44 |
|
|
my $node=shift;
|
| 45 |
|
|
|
| 46 |
|
|
$self->{nodelist}->add($node);
|
| 47 |
|
|
}
|
| 48 |
|
|
|
| 49 |
|
|
sub nodeList {
|
| 50 |
|
|
my $self=shift;
|
| 51 |
|
|
return $self->{nodelist}
|
| 52 |
|
|
}
|
| 53 |
|
|
|
| 54 |
|
|
sub associate {
|
| 55 |
|
|
my $self=shift;
|
| 56 |
|
|
return $self->{associate};
|
| 57 |
|
|
}
|
| 58 |
|
|
|
| 59 |
|
|
sub setassociate {
|
| 60 |
|
|
my $self=shift;
|
| 61 |
|
|
$self->{associate}=shift;
|
| 62 |
|
|
}
|
| 63 |
|
|
|
| 64 |
|
|
#
|
| 65 |
|
|
# find -
|
| 66 |
|
|
#
|
| 67 |
|
|
sub find {
|
| 68 |
|
|
my $self=shift;
|
| 69 |
|
|
my $string=shift;
|
| 70 |
|
|
|
| 71 |
|
|
# get our tree monkey to do the job
|
| 72 |
|
|
$self-{monkey}->goto($self); #start at this node
|
| 73 |
|
|
$self->{monkey>->find{$string};
|
| 74 |
|
|
}
|
