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## ---------------------------------------------------------------------- |
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## $Id: Ref.pm,v 1.1 2003/01/22 17:59:22 root Exp $ |
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## ---------------------------------------------------------------------- |
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## $Log: Ref.pm,v $ |
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## ---------------------------------------------------------------------- |
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|
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|
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package Data::Rap::Engine; |
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|
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use strict; |
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use warnings; |
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|
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|
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use Data::Dumper; |
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use Data::Transform::Deep qw( refexpr2perlref ); |
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use Iterate; |
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use Hash::Merge qw( merge ); |
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|
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|
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sub performTarget { |
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my $self = shift; |
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my $targetname = shift; |
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my $target = $self->getTargetMetadata($targetname); |
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|
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# trace |
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#print Dumper($target); |
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#exit; |
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|
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# resolve dependencies (just run prior) |
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if (my $targetname_dep = $target->{attrib}->{depends}) { |
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$self->performTarget($targetname_dep); |
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delete $target->{attrib}->{depends}; |
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} |
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|
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foreach my $entry (@{$target->{content}}) { |
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my $command = $entry->{name}; |
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my $args = $entry->{attrib}; |
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$self->run_command($command, $args); |
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} |
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} |
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|
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sub rc { |
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my $self = shift; |
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return $self->run_command(@_); |
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} |
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|
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sub run_command { |
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my $self = shift; |
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my $command = shift; |
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|
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if (!$command) { |
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$self->log("Command was empty!", 'warning'); |
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return; |
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} |
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|
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my $args_list = shift; |
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my $args = {}; |
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#print Dumper($args_list); |
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if ($args_list) { |
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if (ref $args_list eq 'ARRAY') { |
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foreach (@$args_list) { |
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$args = merge($args, $_); |
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} |
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} else { |
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$args = $args_list; |
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} |
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} |
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$command = '_' . $command; |
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if ($self->can($command)) { |
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$self->$command($args); |
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} else { |
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$self->log("Command \"$command\" not implemented.", "warning"); |
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} |
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} |
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|
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sub set_property { |
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my $self = shift; |
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my $args = shift; |
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|
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my $name; |
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my $value; |
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|
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if (ref $args) { |
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$self->interpolate($args) ; |
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$name = $args->{name}; |
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$value = $args->{value}; |
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|
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} else { |
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$name = $args; |
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$value = shift; |
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} |
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|
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# check if slot (or childs of it) is/are already occupied |
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if (my $oldvalue = refexpr2perlref($self, $name, undef, '.')) { |
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# FIXME: review - any options for 'merge' here? |
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$value = merge($oldvalue, $value); |
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} |
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|
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# fill property slot with given value |
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if ($value) { |
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refexpr2perlref($self, $name, $value, '.'); |
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} |
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|
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# FIXME!!! |
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return if ! ref $args; |
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|
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# fill property slot with (probably bigger) data structure from property-/configuration-style - file |
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if (my $file = $args->{file}) { |
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my $type = $args->{type}; |
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if (!$type) { |
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die("default file (no type specified) is not implemented yet!"); |
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|
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} elsif ($type eq 'perl-eval') { |
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#die($type); |
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$self->loadFromPerlFile($file, $name, $args->{'varnames'}); |
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|
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} elsif ($type eq 'App::Config') { |
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die("not implemented: $type"); |
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|
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} |
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|
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} elsif (my $command = $args->{command}) { |
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$self->run_command($command, $args); |
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|
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} |
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|
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} |
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|
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sub get_property { |
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my $self = shift; |
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#my $args = shift; |
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my $name = shift; |
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|
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#$self->interpolate($args); |
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|
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#my $name = $args->{name}; |
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|
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# get property slot and return value |
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return refexpr2perlref($self, $name, undef, '.'); |
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|
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} |
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|
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sub interpolate { |
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my $self = shift; |
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my $ref = shift; |
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IterHash %$ref, sub { |
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#print $_[1], "\n"; |
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$_[1] =~ s/\${(.+)}/$self->get_property($1)/e; |
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} |
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} |
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|
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1; |
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__END__ |