Class: YourKarma::CLI::ArgumentParser

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

Defined Under Namespace

Classes: InvalidOption

Constant Summary collapse

DEFAULT_OPTIONS = 
{
  verbose: false,
  poll:    true,
  tail:    false
}

Instance Method Summary collapse

Instance Method Details

#parse(arguments) ⇒ Object 



179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
 
# File 'lib/yourkarma/cli.rb', line 179

def parse(arguments)
  options = DEFAULT_OPTIONS.dup
  optparse = OptionParser.new do |opts|
    opts.banner = <<-BANNER.gsub(/^\s{4}/, '')
      Karma hotspot status
      Usage: yourkarma [options]
      Example: yourkarma --verbose
    BANNER

    opts.on('-u', '--url=URL', "Karma hotspot URL") do |url|
      options[:url] = url
    end
    opts.on('-t', '--timeout=TIMEOUT', "Time to wait for HTTP response", Float) do |timeout|
      options[:timeout] = timeout
    end
    opts.on('-v', '--[no-]verbose', 'Run verbosely') do |v|
      options[:verbose] = true
    end
    opts.on('-c', '--count=COUNT', 'Poll COUNT times', Integer) do |c|
      options[:iterations] = c
    end
    opts.on('-p', '--[no-]poll', 'Continually poll') do |p|
      options[:poll] = p
      options[:iterations] = 1 unless p
    end
    opts.on('--[no-]tail', 'Tail log') do |t|
      options[:tail] = t
    end
    opts.on('-h', '--help', 'Display this screen') do
      raise InvalidOption, opts
    end
  end

  optparse.parse!(arguments)

  options
rescue OptionParser::InvalidOption, OptionParser::MissingArgument
  raise InvalidOption, optparse
end