#!/usr/bin/env ruby
#
#	Rpdf2txt -- PDF to Text Parser
#	Copyright (C) 2003 Andreas Schrafl, Hannes Wyss
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
#	ywesee - intellectual capital connected, Winterthurerstrasse 52, CH-8006 Zürich, Switzerland
#	hwyss@ywesee.com,	aschrafl@ywesee.com
#
# AttributesParser -- Rpdf2txt -- 08.09.2004 -- hwyss@ywesee.com 

require 'rpdf2txt/parser'
padding = ' '
begin
  require 'encoding/character/utf-8' 
  padding = u(padding)
rescue LoadError
end

hclass = Rpdf2txt::SimpleHandler
hargs = []
while /^-/.match(ARGV.first)
  case ARGV.shift
  when '--columns', '-c'
    hclass = Rpdf2txt::ColumnHandler
    hargs = [padding]
  end
end

if(!(1..2).include?(ARGV.size) \
	|| !File.exist?(ARGV.first))
	puts <<-EOS
Usage: rpdf2txt <input-file> [<output-file>]

if <output-file> is omitted, the extracted text is written to stdout
	EOS
	exit
end
parser = Rpdf2txt::Parser.new(File.read(ARGV[0]), 'utf8')
outstream = STDOUT
if(ARGV.size == 2)
	outstream = File.open(ARGV[1], 'w')
end
handler = hclass.new(outstream, *hargs)
parser.extract_text(handler)