Class: MilkTea::BindgenCLI

Inherits:
Object
  • Object
show all
Defined in:
lib/milk_tea/bindings/cli.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(argv, out:, err:, help_printer:) ⇒ BindgenCLI

Returns a new instance of BindgenCLI.



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# File 'lib/milk_tea/bindings/cli.rb', line 9

def initialize(argv, out:, err:, help_printer:)
  @argv = argv.dup
  @out = out
  @err = err
  @help_printer = help_printer
end

Class Method Details

.start(argv = ARGV, out:, err:, help_printer:) ⇒ Object 



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# File 'lib/milk_tea/bindings/cli.rb', line 5

def self.start(argv = ARGV, out:, err:, help_printer:)
  new(argv, out:, err:, help_printer:).start
end

Instance Method Details

#start ⇒ Object 



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# File 'lib/milk_tea/bindings/cli.rb', line 16

def start
  module_name = @argv.shift
  header_path = @argv.shift
  unless module_name && header_path
    @err.puts("missing module name or header path")
    print_help
    return 1
  end

  require_relative "../bindings"

  options = parse_options
  return 1 unless options

  output_path = options.delete(:output_path)
  nullable_report_path = options.delete(:nullable_report_path)
  if nullable_report_path
    require "json"
    result = Bindgen.generate_with_report(module_name:, header_path:, **options)
    source = result.fetch(:source)
    report_path = File.expand_path(nullable_report_path)
    FileUtils.mkdir_p(File.dirname(report_path))
    File.write(report_path, JSON.pretty_generate(result.fetch(:nullable_policy_report)))
  else
    source = Bindgen.generate(module_name:, header_path:, **options)
  end

  if output_path
    FileUtils.mkdir_p(File.dirname(File.expand_path(output_path)))
    File.write(output_path, source)
    @out.puts("generated #{header_path} -> #{output_path}")
    @out.puts("nullable report #{header_path} -> #{report_path}") if nullable_report_path
  else
    @out.write(source)
    @err.puts("wrote nullable report #{report_path}") if nullable_report_path
  end
  0
end