#!/usr/local/bin/perl -w
use warnings;
use strict;

use Getopt::Long;
use Pod::Usage;

my $man = 0;
my $help = 0;
## Parse options and print usage if there is a syntax error,
## or if usage was explicitly requested.
GetOptions('help|?' => \$help, man => \$man) or pod2usage(2);
pod2usage(1) if $help;
pod2usage(-verbose => 2) if $man;

## If no arguments were given, then allow STDIN to be used only
## if it's not connected to a terminal (otherwise print usage)
pod2usage("$0: No files given.")  if ((@ARGV == 0) && (-t STDIN));

use Lingua::Treebank;

FILE:
while (<>) {
    chomp;
    my $side = Lingua::Treebank::Const->new()->from_penn_string($_);
    print $side->as_penn_text(), "\n";
}

__END__

=head1 NAME

tree-inflate - transform a one-tree-per-line treebank into something
   human-readable

=head1 SYNOPSIS

 tree-inflate [options] [file or STDIN]

 Options:
   -help            brief help message
   -man             full documentation

=head1 OPTIONS

=over

=item B<-help>

Print a brief help message and exits.

=item B<-man>

Prints the manual page and exits.

=back

=head1 DESCRIPTION

Reads one-tree-per-line from STDIN or indicated files, reformats the
trees according to a Penn standard (spreading daughters to the next
line, applying indenting, etc) and prints them to STDOUT.

Handy with I<less> etc for spot-checking trees stored in one-per-line
format.

=cut