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#
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# BuildClass.pm
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#
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# Originally Written by Christopher Williams
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#
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# Description
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#
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# Interface
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# ---------
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# new() : A new BuildClass object
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# child() : return a new object that is a copy of the object
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# paramupdate($hashref) : update variable hash according to provided hashref
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# paramlist() : return a list of all params that have been set
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# param(name) : return value of given param - undef if undefined
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package BuildSystem::BuildClass;
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require 5.004;
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sub new {
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my $class=shift;
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my $type=ref($class) || $class;
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my $self={};
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bless $self, $type;
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return $self;
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}
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sub child {
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my $self=shift;
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my $child=$self->new();
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$child->paramupdate($self->{vars});
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return $child;
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}
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sub paramlist {
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my $self=shift;
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return (keys %{$self->{vars}});
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}
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sub param {
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my $self=shift;
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my $name=shift;
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my $rv=undef;
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if ( exists $self->{vars}{$name} ) {
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$rv=$self->{vars}{$name};
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}
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return $rv;
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}
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sub paramupdate {
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my $self=shift;
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my $hashref=shift;
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foreach $key ( keys %$hashref ) {
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$self->{vars}{$key}=$$hashref{$key};
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}
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}
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