package Text::Tradition::Collation;
+use feature 'say';
use Encode qw( decode_utf8 );
use File::Temp;
use File::Which;
# Do the deletion deed.
if( $combine ) {
+ # Combine the text of the readings
my $joinstr = $combine_char;
unless( defined $joinstr ) {
$joinstr = '' if $kept_obj->join_next || $del_obj->join_prior;
$joinstr = $self->wordsep unless defined $joinstr;
}
$kept_obj->alter_text( join( $joinstr, $kept_obj->text, $del_obj->text ) );
+ $kept_obj->normal_form(
+ join( $joinstr, $kept_obj->normal_form, $del_obj->normal_form ) );
+ # Combine the lexemes present in the readings
+ if( $kept_obj->has_lexemes && $del_obj->has_lexemes ) {
+ $kept_obj->add_lexeme( $del_obj->lexemes );
+ }
}
$self->del_reading( $deleted );
}
+=head2 compress_readings
+
+Where possible in the graph, compresses plain sequences of readings into a
+single reading. The sequences must consist of readings with no
+relationships to other readings, with only a single witness path between
+them and no other witness paths from either that would skip the other. The
+readings must also not be marked as nonsense or bad grammar.
+
+WARNING: This operation cannot be undone.
+
+=cut
+
+sub compress_readings {
+ my $self = shift;
+ # Anywhere in the graph that there is a reading that joins only to a single
+ # successor, and neither of these have any relationships, just join the two
+ # readings.
+ my %gobbled;
+ foreach my $rdg ( sort { $a->rank <=> $b->rank } $self->readings ) {
+ next if $rdg->is_meta;
+ next if $gobbled{$rdg->id};
+ next if $rdg->grammar_invalid || $rdg->is_nonsense;
+ next if $rdg->related_readings();
+ my %seen;
+ while( $self->sequence->successors( $rdg ) == 1 ) {
+ my( $next ) = $self->reading( $self->sequence->successors( $rdg ) );
+ throw( "Infinite loop" ) if $seen{$next->id};
+ $seen{$next->id} = 1;
+ last if $self->sequence->predecessors( $next ) > 1;
+ last if $next->is_meta;
+ last if $next->grammar_invalid || $next->is_nonsense;
+ last if $next->related_readings();
+ say "Joining readings $rdg and $next";
+ $self->merge_readings( $rdg, $next, 1 );
+ }
+ }
+ # Make sure we haven't screwed anything up
+ foreach my $wit ( $self->tradition->witnesses ) {
+ my $pathtext = $self->path_text( $wit->sigil );
+ my $origtext = join( ' ', @{$wit->text} );
+ throw( "Text differs for witness " . $wit->sigil )
+ unless $pathtext eq $origtext;
+ if( $wit->is_layered ) {
+ $pathtext = $self->path_text( $wit->sigil.$self->ac_label );
+ $origtext = join( ' ', @{$wit->layertext} );
+ throw( "Ante-corr text differs for witness " . $wit->sigil )
+ unless $pathtext eq $origtext;
+ }
+ }
+
+ $self->relations->rebuild_equivalence();
+ $self->calculate_ranks();
+}
# Helper function for manipulating the graph.
sub _stringify_args {
$dot .= sprintf( "\t\"%s\" -> \"%s\" %s;\n",
$edge->[0], $edge->[1], $varopts );
} elsif( $used{$edge->[0]} ) {
- $subend{$edge->[0]} = 1;
+ $subend{$edge->[0]} = $edge->[1];
} elsif( $used{$edge->[1]} ) {
- $substart{$edge->[1]} = 1;
+ $substart{$edge->[1]} = $edge->[0];
}
}
# Add substitute start and end edges if necessary
foreach my $node ( keys %substart ) {
- my $witstr = $self->_path_display_label ( $self->reading_witnesses( $self->reading( $node ) ) );
+ my $witstr = $self->_path_display_label ( $self->path_witnesses( $substart{$node}, $node ) );
my $variables = { %edge_attrs, 'label' => $witstr };
+ my $nrdg = $self->reading( $node );
+ if( $nrdg->has_rank && $nrdg->rank > $startrank ) {
+ # Substart is actually one lower than $startrank
+ $variables->{'minlen'} = $nrdg->rank - ( $startrank - 1 );
+ }
my $varopts = _dot_attr_string( $variables );
- $dot .= "\t\"__SUBSTART__\" -> \"$node\" $varopts;";
+ $dot .= "\t\"__SUBSTART__\" -> \"$node\" $varopts;\n";
}
foreach my $node ( keys %subend ) {
- my $witstr = $self->_path_display_label ( $self->reading_witnesses( $self->reading( $node ) ) );
+ my $witstr = $self->_path_display_label ( $self->path_witnesses( $node, $subend{$node} ) );
my $variables = { %edge_attrs, 'label' => $witstr };
my $varopts = _dot_attr_string( $variables );
- $dot .= "\t\"$node\" -> \"__SUBEND__\" $varopts;";
+ $dot .= "\t\"$node\" -> \"__SUBEND__\" $varopts;\n";
}
# HACK part 2
if( $STRAIGHTENHACK ) {
my $table = { 'alignment' => [], 'length' => $self->end->rank - 1 };
my @all_pos = ( 1 .. $self->end->rank - 1 );
foreach my $wit ( sort { $a->sigil cmp $b->sigil } $self->tradition->witnesses ) {
- # print STDERR "Making witness row(s) for " . $wit->sigil . "\n";
+ # say STDERR "Making witness row(s) for " . $wit->sigil;
my @wit_path = $self->reading_sequence( $self->start, $self->end, $wit->sigil );
my @row = _make_witness_row( \@wit_path, \@all_pos );
push( @{$table->{'alignment'}},
foreach my $rdg ( @$path ) {
my $rtext = $rdg->text;
$rtext = '#LACUNA#' if $rdg->is_lacuna;
- print STDERR "rank " . $rdg->rank . "\n" if $debug;
- # print STDERR "No rank for " . $rdg->id . "\n" unless defined $rdg->rank;
+ say STDERR "rank " . $rdg->rank if $debug;
+ # say STDERR "No rank for " . $rdg->id unless defined $rdg->rank;
$char_hash{$rdg->rank} = { 't' => $rdg };
}
my @row = map { $char_hash{$_} } @$positions;
sub make_witness_paths {
my( $self ) = @_;
foreach my $wit ( $self->tradition->witnesses ) {
- # print STDERR "Making path for " . $wit->sigil . "\n";
+ # say STDERR "Making path for " . $wit->sigil;
$self->make_witness_path( $wit );
}
}
next;
}
# Combine!
- #print STDERR "Combining readings at same rank: $key\n";
+ #say STDERR "Combining readings at same rank: $key";
$changed = 1;
$self->merge_readings( $unique_rank_rdg{$key}, $rdg );
# TODO see if this now makes a common point.
my @last_r2 = ( $r2 );
# my %all_seen = ( $r1 => 'r1', $r2 => 'r2' );
my %all_seen;
- # print STDERR "Finding common $dir for $r1, $r2\n";
+ # say STDERR "Finding common $dir for $r1, $r2";
while( !@candidates ) {
last unless $iter--; # Avoid looping infinitely
# Iterate separately down the graph from r1 and r2
foreach my $lc ( @last_r1 ) {
foreach my $p ( $lc->$dir ) {
if( $all_seen{$p->id} && $all_seen{$p->id} ne 'r1' ) {
- # print STDERR "Path candidate $p from $lc\n";
+ # say STDERR "Path candidate $p from $lc";
push( @candidates, $p );
} elsif( !$all_seen{$p->id} ) {
$all_seen{$p->id} = 'r1';
foreach my $lc ( @last_r2 ) {
foreach my $p ( $lc->$dir ) {
if( $all_seen{$p->id} && $all_seen{$p->id} ne 'r2' ) {
- # print STDERR "Path candidate $p from $lc\n";
+ # say STDERR "Path candidate $p from $lc";
push( @candidates, $p );
} elsif( !$all_seen{$p->id} ) {
$all_seen{$p->id} = 'r2';