#
# Copyright (c) 2008 Gordon Gremme <gordon@gremme.org>
# Copyright (c) 2008 Center for Bioinformatics, University of Hamburg
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#

# testing the Ruby bindings for the GFF3 output stream (similar to gff3 tool)

require 'gtruby'

if ARGV.size != 1 then
  STDERR.puts "Usage: #{$0} GFF3_file"
  STDERR.puts "Parse and output the types used in GFF3_file."
  exit(1)
end

gff3file = ARGV[0]

in_stream = GT::GFF3InStream.new(gff3file)
gn = in_stream.next_tree()
while gn do
  gn = in_stream.next_tree()
end

used_types = in_stream.get_used_types
used_types.each do |type|
  puts type
end
