changed interface for Tradition init

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

diff --git a/lib/Text/Tradition/Witness.pm b/lib/Text/Tradition/Witness.pm
index 1eccbb0..161cfa4 100644 (file)
--- a/lib/Text/Tradition/Witness.pm
+++ b/lib/Text/Tradition/Witness.pm
@@ -1,5 +1,6 @@
 package Text::Tradition::Witness;
 use Moose;
+use Moose::Util::TypeConstraints;
 
 # Sigil. Required identifier for a witness.
 has 'sigil' => (
@@ -14,6 +15,7 @@ has 'sigil' => (
 has 'text' => (
     is => 'rw',
     isa => 'ArrayRef[Str]',
+    predicate => 'has_text',
     );
 
 # Source.  This is where we read in the witness, if not from a
@@ -24,22 +26,66 @@ has 'source' => (
     predicate => 'has_source',
     );
 
+# Path.  This is an array of Reading nodes that should mirror the
+# text above.
+has 'path' => (
+    is => 'rw',
+    isa => 'ArrayRef[Text::Tradition::Collation::Reading]',
+    predicate => 'has_path',
+    );        
+
+has 'uncorrected_path' => (
+    is => 'rw',
+    isa => 'ArrayRef[Text::Tradition::Collation::Reading]',
+    predicate => 'has_ante_corr',
+    );
+
+# Manuscript name or similar
+has 'identifier' => (
+    is => 'ro',
+    isa => 'Str',
+    );
+
+# Any other info we have
+has 'other_info' => (
+    is => 'ro',
+    isa => 'Str',
+    );
+    
+
 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 );
+       my $rc;
+       eval { no warnings; $rc = open( WITNESS, $self->source ); };
+       # If we didn't open a file, assume it is a string.
+       if( $rc ) {
+           my @words;
+           while(<WITNESS>) {
+               chomp;
+               push( @words, split( /\s+/, $_ ) );
+           }
+           close WITNESS;
+           $self->text( \@words );
+       } # else the text is in the source string, probably
+         # XML, and we are doing nothing with it.
     }
 }
 
+# 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;