btaa_pdf

#!/usr/bin/env ruby
# frozen_string_literal: true

# Script

require 'optparse'
require 'ostruct'
require 'os'

# Determine the root directory of the code base.
script_dir = File.expand_path(File.dirname(__FILE__))
root_dir = File.dirname(script_dir)

require_relative File.join(root_dir, "lib", "logger")

script_logger = UMPTG::Logger.create(logger_fp: STDOUT)

# Process the script parameters.
options = OpenStruct.new
option_parser = OptionParser.new do |opts|
  opts.banner = "Usage: #{File.basename(__FILE__)} pdf_file [<pdf_file>..]"
  opts.on_tail('-h', '--help', 'Print this help message') do
    script_logger.info(opts)
    exit 0
  end
end
option_parser.parse!(ARGV)
if ARGV.count < 1
  script_logger.info(option_parser.help)
  exit 0
end
pdf_file_list = ARGV

require 'origami'

#require_relative File.join(root_dir, 'lib', 'fulcrum')

pdf_file_list.each do |pdf_file|
  pdf_file = File.expand_path(pdf_file)
  unless File.exist?(pdf_file)
    script_logger.error("file \"#{File.basename(pdf_file)}\" does not exist.")
    next
  end
  script_logger.info("processing file \"#{File.basename(pdf_file)}\"")

  pdf = Origami::PDF.read(pdf_file)
  script_logger.info("This document has #{pdf.pages.size} page(s)")

  pdf.each_page do |page|
      page.each_font do |name, font|
          # ... only parse the necessary bits
          puts font
      end
  end

  pdf.each_object.select {|obj| obj.is_a?(Stream)}.each do |stream|
    #puts stream
  end

  STDOUT.flush
end