Module: MyUtilities

Defined in:
lib/my_utilities.rb,
lib/my_utilities/version.rb

Defined Under Namespace

Modules: MyDir Classes: Logger

Constant Summary collapse

VERSION = 
"2.0.0"

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.help_string ⇒ Object

Returns the value of attribute help_string.



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# File 'lib/my_utilities.rb', line 9

def help_string
  @help_string
end

Class Method Details

.error_exit(msg) ⇒ Object 



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# File 'lib/my_utilities.rb', line 21

def self.error_exit(msg)
  puts "ERROR: #{msg}"
  exit -1
end

.print_help_and_exit ⇒ Object 



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# File 'lib/my_utilities.rb', line 12

def self.print_help_and_exit
  puts <<EOS
#{__FILE__} [options]
#{@help_string}
EOS

  exit -1
end

.process_cli(opt_map) ⇒ Object 



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# File 'lib/my_utilities.rb', line 26

def self.process_cli(opt_map)
  return [] if Hash != opt_map.class or opt_map.empty?
  return_array = []

  opt_array = []
  key_of = {}
  opt_map.each do |k, v|
    # If one of the keys is not a symbol, let's abort.
    return [] unless k.is_a? Symbol


    matches = /^\-(.)(:\-\-(.*)?)/.match v
    single_opt = long_opt = nil

    # We will generate options regardless of whether the input string is valid.
    if !matches.nil?
      single_opt = matches[1]
      long_opt = matches[3]
    end

    gen_opt1, gen_opt2 = generate_option_strings
    single_opt ||= gen_opt1
    long_opt ||= gen_opt2
    key_of["--#{long_opt}"]=k

    opt_array << ["--#{long_opt}," "-#{single_opt}", GetoptLong::OPTIONAL_ARGUMENT]
  end

  opts = GetoptLong.new opt_array

  opts.each do |opt, arg|
    return_array[key_of[opt]]=arg
  end

  return_array
end