use strict;
use warnings;
+use Exporter 'import';
+use vars qw/ @EXPORT_OK $xpc /;
+
use XML::LibXML;
use XML::LibXML::XPathContext;
+@EXPORT_OK = qw/ graphml_parse populate_witness_path /;
+
=head1 NAME
Text::Tradition::Parser::GraphML
=head1 METHODS
-=over
-
-=item B<parse>
+=head2 B<graphml_parse>( $init_opts )
parse( $init_opts );
=cut
-use vars qw/ $xpc $graphattr $nodedata $witnesses /;
-
# Return graph -> nodeid -> { key1/val1, key2/val2, key3/val3 ... }
# -> edgeid -> { source, target, wit1/val1, wit2/val2 ...}
-sub parse {
+sub graphml_parse {
my( $opts ) = @_;
my $graph_hash = { 'nodes' => [],
'edges' => [] };
-
+
my $parser = XML::LibXML->new();
my $doc;
if( exists $opts->{'string'} ) {
return;
}
+ my( $graphattr, $nodedata, $witnesses ) = ( {}, {}, {} );
my $graphml = $doc->documentElement();
$xpc = XML::LibXML::XPathContext->new( $graphml );
$xpc->registerNs( 'g', 'http://graphml.graphdrawing.org/xmlns' );
}
my $graph_el = $xpc->find( '/g:graphml/g:graph' )->[0];
+ $graph_hash->{'name'} = $graph_el->getAttribute( 'id' );
my $node_reg = {};
return $graph_hash;
}
+=head2 B<populate_witness_path>( $tradition )
+
+Given a tradition, populate the 'path' and 'uncorrected_path' attributes
+of all of its witnesses. Useful for all formats based on the graph itself.
+
+=cut
+
+sub populate_witness_path {
+ my ( $tradition, $ante_corr ) = @_;
+ my $c = $tradition->collation;
+ print STDERR "Walking paths for witnesses\n";
+ foreach my $wit ( $tradition->witnesses ) {
+ my @path = $c->reading_sequence( $c->start, $c->end, $wit->sigil );
+ $wit->path( \@path );
+ if( $ante_corr->{$wit->sigil} ) {
+ # Get the uncorrected path too
+ my @uc = $c->reading_sequence( $c->start, $c->end,
+ $wit->sigil . $c->ac_label, $wit->sigil );
+ $wit->uncorrected_path( \@uc );
+ }
+ }
+}
+
sub _lookup_node_data {
my( $xmlnode, $key ) = @_;
my $lookup_xpath = './g:data[@key="%s"]/child::text()';