Class: Xferase::Config

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/xferase/config.rb

Constant Summary collapse

OPTIONS = 
[
  ['-v',              '--verbose',                 'print verbose output'],
  ['-i INBOX',        '--inbox=INBOX',             'path to the inbox (required)'],
  ['-l LIBRARY',      '--library=LIBRARY',         'path to the master library (required)'],
  ['-w LIBRARY_WEB',  '--library-web=LIBRARY_WEB', 'path to the web-optimized library'],
].freeze
OPTION_NAMES = 
OPTIONS
.flatten
.grep(/^--/)
.map { |option| option[/\w[a-z\-]+/] }
.map(&:to_sym)

Class Method Summary collapse

Class Method Details

.[](key) ⇒ Object 



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# File 'lib/xferase/config.rb', line 47

def [](key)
  @params[key]
end

.method_missing(m, *args, &blk) ⇒ Object 



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# File 'lib/xferase/config.rb', line 51

def method_missing(m, *args, &blk)
  m.to_s.tr('_', '-').to_sym
    .then { |key| OPTION_NAMES.include?(key) ? self[key] : super }
end

.parse_opts! ⇒ Object 



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# File 'lib/xferase/config.rb', line 24

def parse_opts!
  @params = {}

  parser = OptionParser.new do |opts|
    opts.version = Xferase::VERSION
    opts.banner  = <<~BANNER
      Usage: xferase [--version] [-h | --help] [<args>]
    BANNER

    OPTIONS.each { |opt| opts.on(*opt) }
  end.tap { |p| p.parse!(into: @params) }

  @params.freeze

  raise "no inbox directory given" if !@params.key?(:inbox)
  (%i[library library-web] & @params.keys)
    .then { |dest_dirs| raise "no destination library given" if dest_dirs.empty? }
rescue => e
  warn("#{parser.program_name}: #{e.message}")
  warn(parser.help) if e.is_a?(OptionParser::ParseError)
  exit 1
end

.respond_to_missing?(m, *args) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/xferase/config.rb', line 56

def respond_to_missing?(m, *args)
  @params.key?(m.to_s.tr('_', '-').to_sym) || super
end