ksv

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

require 'optparse'

# Some additional magic to make it work right after repo checkout,
# without installation to proper Ruby library dirs

# See `bin/ksdump` for more comments
script_dir = __dir__
unless script_dir.nil? || script_dir == '.'
  $LOAD_PATH << File.expand_path('../lib', script_dir)
  $LOAD_PATH << File.expand_path('../../runtime/ruby/lib', script_dir)
end

require 'kaitai/struct/visualizer'

# ======================================================================

options = {}
parser = OptionParser.new do |opts|
  opts.banner = "Usage: #{File.basename($PROGRAM_NAME)} [options] <file_to_parse.bin> <format.ksy>...|<format.rb>"
  opts.separator ''

  opts.on('-I', '--import-path [DIRECTORIES]', '.ksy library search path(s) for imports (see also KSPATH env variable)') do |v|
    options[:import_path] = v
  end

  opts.on('--opaque-types [BOOLEAN]', 'opaque types allowed, default: false') do |v|
    options[:opaque_types] = v
  end

  opts.on('-r', '--require [PATH]', 'load ("require") .rb file into Ruby process') do |v|
    $LOAD_PATH << '.' unless $LOAD_PATH.include?('.')
    require v
  end

  opts.on('--version', 'show versions of ksv, ksc and kaitai-struct (Kaitai Struct runtime library for Ruby)') do |_v|
    puts "kaitai-struct-visualizer #{Kaitai::Struct::Visualizer::VERSION}"
    if system('kaitai-struct-compiler', '--version').nil?
      $stderr.puts 'ksv: unable to find and run kaitai-struct-compiler in your PATH'
      exit 1
    end
    require 'kaitai/struct/struct'
    puts "kaitai-struct #{Kaitai::Struct::VERSION} (Kaitai Struct runtime library for Ruby)"
    exit 0
  end
end

begin
  parser.parse!
rescue OptionParser::InvalidOption => e
  puts e
  puts parser
  exit 1
end

if ARGV.size < 2
  puts parser
  exit 1
end

c = Kaitai::Struct::Visualizer::KSYCompiler.new(options)
v = Kaitai::Struct::Visualizer::Visualizer.new(c, ARGV[0], ARGV[1..-1], options)
v.run