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joko |
1.1 |
## ---------------------------------------------------------------------- |
| 2 |
joko |
1.9 |
## $Id: Command.pm,v 1.8 2004/06/07 16:45:56 joko Exp $ |
| 3 |
joko |
1.1 |
## ---------------------------------------------------------------------- |
| 4 |
joko |
1.2 |
## $Log: Command.pm,v $ |
| 5 |
joko |
1.9 |
## Revision 1.8 2004/06/07 16:45:56 joko |
| 6 |
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## now propagates args to "rapcall method" |
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## |
| 8 |
joko |
1.8 |
## Revision 1.7 2003/05/13 07:52:14 joko |
| 9 |
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## enhanced: *hierarchical* containers for context handling |
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## making methods from foreign context(s) available |
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## started: import of targets from foreign topics |
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## |
| 13 |
joko |
1.7 |
## Revision 1.6 2003/03/29 07:10:42 joko |
| 14 |
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## + sub _script: |
| 15 |
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## new rap-command: '<script language="msdos/bat|bash|...">...</script>' |
| 16 |
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## |
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joko |
1.6 |
## Revision 1.5 2003/03/27 15:31:04 joko |
| 18 |
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## fixes to modules regarding new namespace(s) below Data::Mungle::* |
| 19 |
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## |
| 20 |
joko |
1.5 |
## Revision 1.4 2003/02/22 16:48:58 joko |
| 21 |
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## modified rapcall behaviour |
| 22 |
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## |
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joko |
1.4 |
## Revision 1.3 2003/02/21 07:39:13 joko |
| 24 |
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## modified 'rapcall' processing |
| 25 |
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## modified merging of options/arguments in there |
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## |
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joko |
1.3 |
## Revision 1.2 2003/02/20 19:37:09 joko |
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## renamed modules |
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## - removed command 'exec' |
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## + enhanced command 'rapcall' - now handles various different modes and behaviours |
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## renamed methods |
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## + command 'exit' |
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## + command 'use' - switch to foreign namespaces using contexts |
| 34 |
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## |
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joko |
1.2 |
## Revision 1.1 2003/02/18 15:35:06 joko |
| 36 |
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## + initial commit |
| 37 |
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## |
| 38 |
joko |
1.1 |
## ---------------------------------------------------------------------- |
| 39 |
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| 40 |
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| 41 |
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package Data::Rap::Command; |
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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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joko |
1.2 |
|
| 50 |
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use DesignPattern::Object; |
| 51 |
joko |
1.5 |
use Data::Mungle::Transform::Deep qw( merge_to ); |
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joko |
1.1 |
use shortcuts qw( run_cmd ); |
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sub _echo { |
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my $self = shift; |
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my $args = shift; |
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#print Dumper($args); |
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my $message; |
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my $level; |
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if (ref $args eq 'HASH') { |
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$message = $args->{message}; |
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$level = $args->{level}; |
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} else { |
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my @buf = (); |
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push @buf, $args; |
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push @buf, @_; |
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$message = join(' ', @buf); |
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} |
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$message ||= 'n/a'; |
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$level ||= 'info'; |
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$self->log($message, $level); |
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} |
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sub _context { |
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my $self = shift; |
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my $args = shift; |
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joko |
1.7 |
print "_context-args: ", Dumper($args); |
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joko |
1.1 |
foreach my $task_command (keys %$args) { |
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my $bunch = $args->{$task_command}; |
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foreach my $task_args (@$bunch) { |
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#print Dumper($task_args); |
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joko |
1.2 |
$self->perform_command($task_command, $task_args); |
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joko |
1.1 |
} |
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} |
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} |
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# FIXME |
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sub _id {} |
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# FIXME |
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sub _description {} |
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joko |
1.7 |
# NEW [2003-05-08]: Hierarchical handling (stack push/pop instead of set/get). |
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# TODO: Named Containers. |
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joko |
1.2 |
sub _container { |
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joko |
1.1 |
my $self = shift; |
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joko |
1.2 |
my $args = shift; |
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joko |
1.7 |
$self->pushContainer($args); |
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} |
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sub _container_end { |
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my $self = shift; |
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my $args = shift; |
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$self->popContainer(); |
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joko |
1.1 |
} |
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joko |
1.2 |
sub _sync { |
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joko |
1.1 |
my $self = shift; |
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joko |
1.2 |
my $args = shift; |
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#print Dumper($args); |
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# V1 |
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#$bizProcess->runSync($task); |
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#V2 |
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my $container = $self->getInstance(); |
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$container ||= $self; |
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$container->runSync($args); |
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joko |
1.1 |
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} |
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sub _depends_old { |
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my $self = shift; |
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my $args = shift; |
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#print Dumper($args); |
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$self->performTarget($args); |
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} |
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sub _dump { |
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my $self = shift; |
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my $args = shift; |
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my $name = $args->{name}; |
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joko |
1.2 |
my $message = Dumper($self->get_property($name)); |
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$self->rc('echo', "\n" . $message, $args->{level}); |
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joko |
1.1 |
} |
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joko |
1.2 |
|
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joko |
1.1 |
sub _plugin { |
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my $self = shift; |
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my $args = shift; |
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joko |
1.7 |
my $content = shift; |
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joko |
1.2 |
|
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if (my $instance = $args->{instance}) { |
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#$self->{$instance} = DesignPattern::Object->fromPackage($args->{module}); |
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my $object = DesignPattern::Object->fromPackage($args->{module}); |
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#$self->{$instance} |
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#print Dumper($object); |
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#$object->constructor() if $object->can('constructor'); |
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} elsif (my $name = $args->{name}) { |
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# 1. namespaces - load module into current scope or foreign namespace? |
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my $container; |
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if (my $namespace = $args->{namespace}) { |
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$self->log("Loading plugin '$name' into foreign namespace '$namespace'.", 'info'); |
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eval qq{ |
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# 0. pre-flight check|trace |
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#print "YAI"; |
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#$self->log('YAIYAI', 'info'); # FIXME! |
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# 1. work in foreign namespace |
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package $namespace; |
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use strict; |
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use warnings; |
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# 2. mungle with/the |
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# - package namespace (llp) |
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# - object (lloo) |
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# - inheritance (lloo) |
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# - plugin (hlf) |
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# symbols for scopes: |
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# - llp = low-level perl |
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# - lloo = low-level oo |
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# - hlf = high-level framework |
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# bless larry for perl having this implemented in an orthogonal way |
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# 2.1: behaviour=coerce |
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#use base qw( $name ); |
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# 2.2: behaviour=plugin |
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use base qw( DesignPattern::Bridge ); |
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1; |
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}; |
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$self->checkExceptions(); |
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$container = $namespace->new(); |
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} elsif (my $instance = $self->getInstance()) { |
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$self->log("Loading plugin '$name' into foreign namespace of instance '" . (ref $instance) . "'.", 'info'); |
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$container = $instance; |
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} else { |
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#$self->log("Loading plugin '$name' into local scope's namespace (ref \$self='" . (ref $self) . "').", 'info'); |
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$self->log("Loading plugin '$name' into local namespace '" . (ref $self) . "'.", 'info'); |
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$container = $self; |
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} |
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| 202 |
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# 1.b. intermediate checks |
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if (!$container) { |
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$self->log("No container to load '$name' into!", 'warning'); |
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return; |
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} |
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# 1.c. inheritance of (e.g.) properties |
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if (my $inherit = $args->{inherit}) { |
| 210 |
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my $properties = $self->get_property($inherit); |
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merge_to($container, { $inherit => $properties }, { init => 1 } ); |
| 212 |
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} |
| 213 |
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# 2. plugin - load module into container |
| 215 |
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$container->load($name); |
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# 3. methods - run object methods |
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joko |
1.7 |
|
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# payload inside $content is the $args to the $method |
| 220 |
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# convert xml-style payload inside $content to trivial (not-nested) perl hash |
| 221 |
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# using just encapsulated text of the nodes as hash values |
| 222 |
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my $method_args; |
| 223 |
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foreach (@$content) { |
| 224 |
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my $key = $_->{name}; |
| 225 |
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my $value = $_->{content}->[0]->{content}; |
| 226 |
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$method_args->{$key} = $value; |
| 227 |
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} |
| 228 |
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# convert hashref to arrayref |
| 229 |
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$method_args = [ %$method_args ] if ref $method_args eq 'HASH'; |
| 230 |
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| 231 |
joko |
1.2 |
if (my $methods = $args->{methods}) { |
| 232 |
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my @methods = split(/,|,\s/, $methods); |
| 233 |
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foreach (@methods) { |
| 234 |
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$self->log("Running method '$_'.", 'info'); |
| 235 |
joko |
1.7 |
#print Dumper($method_args); |
| 236 |
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# check for existance of method |
| 237 |
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if ($container->can($_)) { |
| 238 |
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# dispatch call by being with or without arguments |
| 239 |
joko |
1.9 |
#print "method_args: ", Dumper($method_args); |
| 240 |
joko |
1.7 |
if ($method_args) { |
| 241 |
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$container->$_(@$method_args); |
| 242 |
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} else { |
| 243 |
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$container->$_(); |
| 244 |
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} |
| 245 |
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} |
| 246 |
joko |
1.2 |
} |
| 247 |
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} |
| 248 |
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| 249 |
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# 4. instances - create references in local scope |
| 250 |
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if (my $instances = $args->{instances}) { |
| 251 |
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my @instances = split(/,|,\s/, $instances); |
| 252 |
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foreach (@instances) { |
| 253 |
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$self->log("Creating instance '$_'.", 'info'); |
| 254 |
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$self->{$_} = $container; |
| 255 |
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} |
| 256 |
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} |
| 257 |
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| 258 |
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| 259 |
joko |
1.1 |
} |
| 260 |
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} |
| 261 |
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| 262 |
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sub _rapcall { |
| 263 |
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my $self = shift; |
| 264 |
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my $args = shift; |
| 265 |
joko |
1.2 |
|
| 266 |
joko |
1.7 |
# merge container arguments to local ones if desired/requested/forced |
| 267 |
joko |
1.2 |
if (my $container = $self->getContainer()) { |
| 268 |
joko |
1.3 |
#my $opts = merge($container, $args); |
| 269 |
joko |
1.4 |
#print Dumper($container); |
| 270 |
|
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merge_to($args, $container, { init => 1 }); |
| 271 |
joko |
1.2 |
} |
| 272 |
joko |
1.3 |
|
| 273 |
joko |
1.4 |
# trace |
| 274 |
joko |
1.7 |
#print Dumper($args); |
| 275 |
joko |
1.4 |
|
| 276 |
joko |
1.7 |
# action dispatcher, either do: |
| 277 |
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# - run an executable program [ext] |
| 278 |
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# - call a command (?) [rap] |
| 279 |
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# - a rap target [rap] |
| 280 |
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# - a code method [ext] |
| 281 |
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| 282 |
joko |
1.4 |
if ($args->{executable}) { |
| 283 |
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$self->run_executable($args); |
| 284 |
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return; |
| 285 |
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} |
| 286 |
joko |
1.2 |
|
| 287 |
joko |
1.1 |
if (my $command = $args->{command}) { |
| 288 |
joko |
1.2 |
$self->perform_command($command, $args); |
| 289 |
joko |
1.3 |
return; |
| 290 |
joko |
1.2 |
} |
| 291 |
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| 292 |
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if (my $target = $args->{target}) { |
| 293 |
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$self->performTarget($target, $args); |
| 294 |
joko |
1.3 |
return; |
| 295 |
joko |
1.2 |
} |
| 296 |
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| 297 |
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if (my $method = $args->{method}) { |
| 298 |
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#$self->performTarget($target, $args); |
| 299 |
|
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if (my $refkey = $args->{base}) { |
| 300 |
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#eval($namespace . '::' . $method . '();'); |
| 301 |
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#die($@) if $@; |
| 302 |
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#print Dumper($self); |
| 303 |
joko |
1.7 |
|
| 304 |
|
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#if ($args->{args} && lc $args->{args} eq 'array') { |
| 305 |
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#print Dumper($args); |
| 306 |
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#print Dumper($self); |
| 307 |
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#} |
| 308 |
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| 309 |
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# V1 - no arguments were being propagated |
| 310 |
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#$self->{$refkey}->$method(); |
| 311 |
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# V2 - trying this.... |
| 312 |
joko |
1.8 |
$self->{$refkey}->$method($args->{args}); |
| 313 |
joko |
1.2 |
|
| 314 |
|
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} elsif (my $ref = $self->getInstance()) { |
| 315 |
joko |
1.8 |
$ref->$method($args->{args}); |
| 316 |
joko |
1.2 |
} |
| 317 |
joko |
1.3 |
|
| 318 |
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return; |
| 319 |
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| 320 |
joko |
1.1 |
} |
| 321 |
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| 322 |
joko |
1.2 |
} |
| 323 |
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| 324 |
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sub _exit { |
| 325 |
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exit; |
| 326 |
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} |
| 327 |
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| 328 |
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sub _use { |
| 329 |
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my $self = shift; |
| 330 |
|
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my $args = shift; |
| 331 |
joko |
1.7 |
|
| 332 |
|
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# new of ~2003-04-15: making methods from foreign context(s) available |
| 333 |
|
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if (my $name = $args->{name}) { |
| 334 |
|
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$args->{type} ||= ''; |
| 335 |
|
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$self->log("Switching to $args->{type} '$name'.", 'info'); |
| 336 |
|
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$self->setInstance($self->{$name}) if $args->{type} eq 'instance'; |
| 337 |
|
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} |
| 338 |
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| 339 |
|
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# new of ~2003-04-15: making methods from foreign context(s) available |
| 340 |
|
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if (exists $args->{method_prefix}) { |
| 341 |
|
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#print "YAI", "\n"; |
| 342 |
|
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#print Dumper($args); |
| 343 |
|
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$self->set_property( { name => 'core.method_prefix', value => $args->{method_prefix} } ); |
| 344 |
|
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} |
| 345 |
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| 346 |
|
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# TODO: (possible feature) |
| 347 |
|
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# check for $args->{export_rap_commands} to export core rap-commands |
| 348 |
|
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# from rap engine's scope to the worker's |
| 349 |
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| 350 |
joko |
1.1 |
} |
| 351 |
|
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| 352 |
joko |
1.6 |
sub _script { |
| 353 |
|
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my $self = shift; |
| 354 |
|
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my $args = shift; |
| 355 |
|
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my $content = shift; |
| 356 |
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| 357 |
|
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# trace |
| 358 |
|
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#print Dumper($args); |
| 359 |
|
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#print Dumper($content); |
| 360 |
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| 361 |
|
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my $code = $content->[0]->{content}; |
| 362 |
|
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$code ||= ''; |
| 363 |
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| 364 |
|
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$self->run_script($args, $code); |
| 365 |
joko |
1.7 |
|
| 366 |
|
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} |
| 367 |
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| 368 |
|
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sub _import { |
| 369 |
|
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my $self = shift; |
| 370 |
|
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my $args = shift; |
| 371 |
|
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#my $content = shift; |
| 372 |
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| 373 |
|
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if (!$args->{topic}) { |
| 374 |
|
|
$self->log("Please specify topic.", 'warning'); |
| 375 |
|
|
return; |
| 376 |
|
|
} |
| 377 |
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|
|
| 378 |
|
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$self->log("Importing all targets from topic '$args->{topic}'.", 'info'); |
| 379 |
|
|
|
| 380 |
|
|
#print Dumper($self); |
| 381 |
|
|
# FIXME: This was started off, but not finished! |
| 382 |
|
|
print "registry: ", Dumper($Data::Rap::registry); |
| 383 |
joko |
1.6 |
|
| 384 |
|
|
} |
| 385 |
joko |
1.1 |
|
| 386 |
|
|
1; |
| 387 |
|
|
__END__ |
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