Support for LWC dependency annotations

Change-Id: Ia4c7b39a871350d3f649597fbc67e9cf52e38e1a
diff --git a/lib/KorAP/XML/Annotation/LWC/Dependency.pm b/lib/KorAP/XML/Annotation/LWC/Dependency.pm
new file mode 100644
index 0000000..ffc3875
--- /dev/null
+++ b/lib/KorAP/XML/Annotation/LWC/Dependency.pm
@@ -0,0 +1,105 @@
+package KorAP::XML::Annotation::LWC::Dependency;
+use KorAP::XML::Annotation::Base;
+use strict;
+use warnings;
+
+sub parse {
+  my $self = shift;
+
+  # Relation data
+  $$self->add_tokendata(
+    foundry => 'lwc',
+    layer => 'dependency',
+    cb => sub {
+      my ($stream, $source, $tokens) = @_;
+
+      # Get MultiTermToken from stream for source
+      my $mtt = $stream->pos($source->pos);
+
+      # Serialized information from token
+      my $content = $source->hash;
+
+      # Get relation information
+      my $rel = $content->{rel};
+      $rel = [$rel] unless ref $rel eq 'ARRAY';
+
+      # Iterate over relations
+      foreach (@$rel) {
+        my $label = $_->{-label};
+
+        #my $target = $stream->tui($source->pos);
+        my $from = $_->{span}->{-from};
+        my $to   = $_->{span}->{-to};
+
+        # Target
+        my $target = $tokens->token($from, $to);
+
+        # Relation is term-to-term with a found target!
+        if ($target) {
+
+          # Unary means, it refers to itself!
+          $mtt->add(
+            term => '>:lwc/d:' . $label,
+            pti => 32, # term-to-term relation
+            payload =>
+              '<i>' . $target->pos # . # right part token position
+              # '<s>0' . # $source_term->tui . # left part tui
+              # '<s>0' # . $target_term->tui # right part tui
+            );
+
+          my $target_mtt = $stream->pos($target->pos);
+
+          $target_mtt->add(
+            term => '<:lwc/d:' . $label,
+            pti => 32, # term-to-term relation
+            payload =>
+              '<i>' . $source->pos # . # left part token position
+              # '<s>0' . # $source_term->tui . # left part tui
+              # '<s>0' # . $target_term->tui # right part tui
+            );
+        }
+
+        # Relation is possibly term-to-element
+        # with a found target!
+        elsif ($target = $tokens->span($from, $to)) {
+          $mtt->add(
+            term => '>:lwc/d:' . $label,
+            pti => 33, # term-to-element relation
+            payload =>
+              '<i>' . $target->o_start . # end position
+              '<i>' . $target->o_end . # end position
+              '<i>' . $target->p_start . # right part start position
+              '<i>' . $target->p_end # . # right part end position
+              # '<s>0' . # $source_term->tui . # left part tui
+              # '<s>0' # . $target_span->tui # right part tui
+            );
+
+          my $target_mtt = $stream->pos($target->p_start);
+          $target_mtt->add(
+            term => '<:lwc/d:' . $label,
+            pti => 34, # element-to-term relation
+            payload =>
+              '<i>' . $target->o_start . # end position
+              '<i>' . $target->o_end . # end position
+              '<i>' . $target->p_end . # right part end position
+              '<i>' . $source->pos # . # left part token position
+              #	'<s>0' . # $source_term->tui . # left part tui
+              # '<s>0' # . $target_span->tui # right part tui
+            );
+        }
+        else {
+          use Data::Dumper;
+          $$self->log->warn('Relation currently not supported: ' . Dumper($content));
+        };
+      };
+    }) or return;
+
+  return 1;
+};
+
+sub layer_info {
+  ['lwc/d=rels']
+};
+
+
+1;
diff --git a/lib/KorAP/XML/Krill.pm b/lib/KorAP/XML/Krill.pm
index a8aa5d4..7f63a5c 100644
--- a/lib/KorAP/XML/Krill.pm
+++ b/lib/KorAP/XML/Krill.pm
@@ -16,7 +16,7 @@
 use Data::Dumper;
 use File::Spec::Functions qw/catdir catfile catpath splitdir splitpath rel2abs/;
 
-our $VERSION = '0.32';
+our $VERSION = '0.33';
 
 has 'path';
 has [qw/text_sigle doc_sigle corpus_sigle/];
@@ -414,7 +414,7 @@
 
 =head1 COPYRIGHT AND LICENSE
 
-Copyright (C) 2015-2017, L<IDS Mannheim|http://www.ids-mannheim.de/>
+Copyright (C) 2015-2018, L<IDS Mannheim|http://www.ids-mannheim.de/>
 Author: L<Nils Diewald|http://nils-diewald.de/>
 
 KorAP::XML::Krill is developed as part of the