Class: HanselCore::ArgParser

Inherits:
Object
  • Object
show all
Defined in:
lib/hansel/arg_parser.rb

Overview

Parse the command configuration file options and command line arguments. Command line arguments override those from the configuration file See www.ruby-doc.org/stdlib/libdoc/optparse/rdoc/classes/OptionParser.html

Instance Method Summary collapse

Constructor Details

#initialize(args) ⇒ ArgParser

Setup default values for the parsed options



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# File 'lib/hansel/arg_parser.rb', line 13

def initialize args
  @args     = args
  @options  = OpenStruct.new(
    :verbose        => false,
    :output_format  => :yaml,
    :output_dir     => File.join(ENV['HOME'], 'hansel_output'),
    :template_path  => 'templates',
    :template       => nil,
    :exit           => false,
    :master         => nil
  )
end

Instance Method Details

#parse ⇒ Object

Uses OptionParser to return an OpenStruct object describing the options.



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# File 'lib/hansel/arg_parser.rb', line 29

def parse
  # The options specified on the command line will be collected in *options*.
  # We set default values here.
  OptionParser.new { |options| parse_options options}.parse!(@args)
  @options
end