tests passing with new library, yay

[scpubgit/stemmatology.git] / lib / Text / Tradition / Witness.pm

diff --git a/lib/Text/Tradition/Witness.pm b/lib/Text/Tradition/Witness.pm
index a647bc3..cb461c5 100644 (file)
--- a/lib/Text/Tradition/Witness.pm
+++ b/lib/Text/Tradition/Witness.pm
@@ -1,17 +1,66 @@
-#!/usr/bin/env perl
-
 package Text::Tradition::Witness;
 use Moose;
 
+# Sigil. Required identifier for a witness.
 has 'sigil' => (
-               is => 'rw',
-               isa => 'Str',
-               );
+    is => 'ro',
+    isa => 'Str',
+    required => 1,
+    );
 
+# Text.  This is an array of strings (i.e. word tokens).
+# TODO Think about how to handle this for the case of pre-prepared
+# collations, where the tokens are in the graph already.
 has 'text' => (
-              is => 'rw',
-              isa => 'Array',
-              );
+    is => 'rw',
+    isa => 'ArrayRef[Str]',
+    predicate => 'has_text',
+    );
+
+# Source.  This is where we read in the witness, if not from a
+# pre-prepared collation.  It is probably a filename.
+has 'source' => (
+    is => 'ro',
+    isa => 'Str',
+    predicate => 'has_source',
+    );
+
+has 'path' => (
+    is => 'rw',
+    isa => 'ArrayRef[Text::Tradition::Collation::Reading]',
+    predicate => 'has_path',
+    );        
+
+sub BUILD {
+    my $self = shift;
+    if( $self->has_source ) {
+       # Read the file and initialize the text.
+       open( WITNESS, $self->source ) or die "Could not open " 
+           . $self->file . "for reading";
+       # TODO support TEI as well as plaintext, sometime
+       my @words;
+       while(<WITNESS>) {
+           chomp;
+           push( @words, split( /\s+/, $_ ) );
+       }
+       close WITNESS;
+       $self->text( \@words );
+    }
+}
+
+# If the text is not present, and the path is, and this is a 'get'
+# request, generate text from path.
+around text => sub {
+    my $orig = shift;
+    my $self = shift;
+
+    if( $self->has_path && !$self->has_text && !@_ ) {
+       my @words = map { $_->label } @{$self->path};
+       $self->$orig( \@words );
+    }
+    
+    $self->$orig( @_ );
+};
 
 no Moose;
 __PACKAGE__->meta->make_immutable;