xslt

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

# 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)

require 'optparse'
require 'ostruct'

# Process the script parameters.
options = OpenStruct.new
options.output_method = :html
option_parser = OptionParser.new do |opts|
  opts.banner = "Usage: #{File.basename(__FILE__)} [-h] [-m output_method] xsl_file xml_file [xml_file...]"
  opts.on('-m', '--output_method html|xml', 'Output method html|xml') do |output_method|
    options.output_method = output_method
  end
  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 < 2
  script_logger.info(option_parser.help)
  exit(0)
end

xsl_file = File.expand_path(ARGV[0])
unless File.file?(xsl_file)
  script_logger.error("invalid XSL file #{xsl_file}")
  exit(1)
end

require_relative File.join(root_dir, 'lib', 'xslt')
require_relative File.join(root_dir, 'lib', 'xml', 'util')

xml_file_list = ARGV[1..-1]
xml_file_list.each do |xml_file|
  xml_file = File.expand_path(xml_file)
  unless File.file?(xml_file)
    script_logger.error("invalid file #{xml_file}")
    next
  end

  output_file = File.join(File.dirname(xml_file), File.basename(xml_file, ".*") + \
          "_transformed." + options.output_method.to_s)

  UMPTG::XSLT.transform(
          xslpath: xsl_file,
          srcpath: xml_file,
          destpath: output_file
          )
end