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## ---------------------------------------------------------------------- |
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## $Id: Engine.pm,v 1.2 2003/02/20 19:46:33 joko Exp $ |
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## ---------------------------------------------------------------------- |
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## $Log: Engine.pm,v $ |
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## Revision 1.2 2003/02/20 19:46:33 joko |
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## renamed and revamped some of modules |
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## renamed methods |
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## + sub run_executable |
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## |
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## Revision 1.1 2003/02/18 15:35:25 joko |
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## + initial commit |
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## |
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## ---------------------------------------------------------------------- |
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package Data::Rap::Engine; |
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use strict; |
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use warnings; |
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use Data::Dumper; |
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use Hash::Merge qw( merge ); |
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use Iterate; |
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|
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use shortcuts qw( run_cmd ); |
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use Data::Code::Ref qw( ref_slot ); |
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use Data::Transform::Deep qw( expand ); |
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sub performTarget { |
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my $self = shift; |
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my $targetname = shift; |
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$self->perform_target($targetname); |
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} |
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sub perform_target { |
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my $self = shift; |
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my $targetname = shift; |
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$self->log("Performing Target '$targetname'.", 'notice'); |
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#exit; |
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my $target = $self->getTargetDetails($targetname); |
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|
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# trace |
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#print Dumper($target); |
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#exit; |
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$self->perform_dependencies($target); |
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$self->perform_details($target); |
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} |
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sub perform_dependencies { |
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my $self = shift; |
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my $target = shift; |
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# resolve dependencies (just run prior) |
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if (my $targetname_dep = $target->{attrib}->{depends}) { |
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my @targets = split(/,\s|,/, $targetname_dep); |
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#print Dumper(@targets); |
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#$self->perform($targetname_dep); |
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#delete $target->{attrib}->{depends}; |
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foreach (@targets) { |
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if (!$self->{__rap}->{dependencies}->{resolved}->{$_}++) { |
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$self->perform_target($_); |
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} |
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} |
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delete $target->{attrib}->{depends}; |
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} |
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} |
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|
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sub perform_details { |
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my $self = shift; |
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my $target = shift; |
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#print Dumper($target); |
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#exit; |
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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->perform_command($command, $args); |
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# check recursiveness |
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if ($entry->{content} && ref $entry->{content}) { |
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$self->perform_details($entry); |
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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->perform_command(@_); |
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} |
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sub perform_command { |
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my $self = shift; |
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my $command = shift; |
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if (!$command) { |
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$self->log("Command was empty!", 'warning'); |
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return; |
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} |
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# FIXME: make '__PACKAGE__' go one level deeper properly! |
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$self->log( __PACKAGE__ . "->perform_command: " . $command, 'debug'); |
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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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# determine container |
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my $container; # = $self->getInstance(); |
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$container ||= $self; |
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if ($container->can($command)) { |
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$container->$command($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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sub merge_properties { |
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my $self = shift; |
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my $name = shift; |
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my $data = shift; |
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$self->log("merge-name: $name"); |
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#print "name: $name", "\n"; |
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#print Dumper($data); |
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#exit; |
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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 $data_old = ref_slot($self, $name, undef, '.')) { |
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if (my $data_old = $self->get_property($name)) { |
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#print "old:", "\n"; |
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#print Dumper($data_old); |
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# FIXME: review - any options for 'merge' here? |
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my $data_new = merge($data_old, $data); |
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#print "DATA NEE! - MERGE!", "\n"; |
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#print Dumper($data_new); |
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#exit; |
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#merge_to($self, $data_new); |
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$self->set_property( { name => $name, value => $data_new } ); |
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} else { |
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|
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=pod |
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# make up a dummy hash matching the structure of the destination one |
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my $dummy = {}; |
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ref_slot($dummy, $name, $data, '.'); |
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print Dumper($dummy); |
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# mix into destination |
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mixin($self, $dummy, { init => 1 }); |
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=cut |
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ref_slot($self, $name, $data, '.'); |
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} |
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#print Dumper($self); |
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#exit; |
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#$self-> |
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} |
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sub set_property { |
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my $self = shift; |
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my $args = shift; |
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$self->interpolate($args) ; |
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my $name = $args->{name}; |
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my $value = $args->{value}; |
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$name = '__rap.properties.' . $name; |
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$self->log("set-name: $name"); |
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# fill property slot with given value |
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if ($value) { |
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ref_slot($self, $name, $value, '.'); |
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} |
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#print Dumper($self); |
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# FIXME!!! |
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#return if ! ref $args; |
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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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} elsif ($type eq 'perl-eval') { |
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#die($type); |
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$self->loadFromPerlFile($file, $name, $args->{'varnames'}); |
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} elsif ($type eq 'App::Config') { |
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die("not implemented: $type"); |
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} |
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} elsif (my $command = $args->{command}) { |
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$self->perform_command($command, $args); |
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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 $name = shift; |
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#$self->interpolate($args); |
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#my $name = $args->{name}; |
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my $result; |
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if (!$name) { |
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$self->log( __PACKAGE__ . ": no name!", 'critical'); |
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} elsif ($name eq '/') { |
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$result = expand($self); |
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} elsif ($name eq '.') { |
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if (my $instance = $self->getInstance()) { |
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$result = expand($instance); |
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} else { |
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$result = ref_slot($self, '__rap.properties', undef, '.'); |
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} |
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} else { |
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$name = '__rap.properties.' . $name; |
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$self->log("get-name: $name"); |
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# get property slot and return value |
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$result = ref_slot($self, $name, undef, '.'); |
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# FIXME: Is this okay? It's provided for now in order not |
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# to deliver an 'undef' to the regex below inside 'interpolate'. |
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# revamp this, maybe! |
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#$result ||= ''; # NO!!! |
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} |
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return $result; |
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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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sub run_executable { |
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my $self = shift; |
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my $opts = shift; |
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if ($opts->{executable}) { |
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my $program = $opts->{executable}; |
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delete $opts->{executable}; |
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my @buf; |
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foreach (keys %$opts) { |
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my $value = $opts->{$_}; |
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if ($value =~ /\s/) { |
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$value = "\"$value\""; |
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} |
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push @buf, "--$_=$value"; |
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} |
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my $cmd = $program . ' ' . join(' ', @buf); |
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# trace |
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#print "command: $cmd", "\n"; |
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# start process |
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# V1: via shortcut |
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#$ENV{PERL5LIB} = join(' ', @INC); |
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# FIXME!!! what about the other slots of @INC? |
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$ENV{PERL5LIB} = $INC[0]; |
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#print Dumper(%ENV); |
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run_cmd($cmd); |
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# V2: via IPC::Run |
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# .... (TODO) |
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} |
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} |
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1; |
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__END__ |