refine the analysis code; add alters_meaning attribute to relationships

[scpubgit/stemmatology.git] / lib / Text / Tradition / Collation / Relationship.pm

diff --git a/lib/Text/Tradition/Collation/Relationship.pm b/lib/Text/Tradition/Collation/Relationship.pm
index 422c0c1..f9035fc 100644 (file)
--- a/lib/Text/Tradition/Collation/Relationship.pm
+++ b/lib/Text/Tradition/Collation/Relationship.pm
@@ -48,6 +48,10 @@ or across all traditions.
 
 =item * annotation - (Optional) A freeform note to attach to the relationship.
 
+=item * alters_meaning - Indicate whether, in context, the related words cause
+the text to have different meanings. Possible values are 0 (no), 1 (slightly),
+and >1 (yes).
+
 =item * non_correctable - (Optional) True if the reading would not have been 
 corrected independently.
 
@@ -109,6 +113,12 @@ has 'annotation' => (
        isa => 'Str',
        predicate => 'has_annotation',
        );
+       
+has 'alters_meaning' => (
+       is => 'rw',
+       isa => 'Int',
+       default => 0,
+       );
 
 has 'non_correctable' => (
        is => 'ro',
@@ -120,6 +130,21 @@ has 'non_independent' => (
        isa => 'Bool',
        );
        
+around 'alters_meaning' => sub {
+       my $orig = shift;
+       my $self = shift;
+       if( @_ ) {
+               if( $_[0] eq 'no' ) {
+                       return $self->$orig( 0 );
+               } elsif( $_[0] eq 'slightly' ) {
+                       return $self->$orig( 1 );
+               } elsif( $_[0] eq 'yes' ) {
+                       return $self->$orig( 2 );
+               } 
+       }
+       return $self->$orig( @_ );
+};             
+       
 # A read-only meta-Boolean attribute.
 
 =head2 colocated