class Thor::Option

:nodoc:

def self.parse(key, value) # rubocop:disable MethodLength

rubocop:disable MethodLength

By default all options are optional, unless :required is given.

string (--foo=value) or booleans (just --foo).
is given a default type is assumed. This default type accepts arguments as
The valid types are :boolean, :numeric, :hash, :array and :string. If none

#=> Option foo with default value true and type boolean
parse :foo => true

#=> Option foo without default value and type numeric
parse :foo => :numeric

#=> Option foo with default value 2 and type numeric
parse :foo => 2

#=> Required option foo without default value
parse :foo => :required

#=> Option foo with default value bar and alias :baz
parse [:foo, :baz] => "bar"

#=> Option foo with default value bar
parse :foo => "bar"

assumptions, but you can be more specific using the option method.
This parse quick options given as method_options. It makes several 
def self.parse(key, value) # rubocop:disable MethodLength
  if key.is_a?(Array)
    name, *aliases = key
  else
    name, aliases = key, []
  end
  name    = name.to_s
  default = value
  type = case value
         when Symbol
           default = nil
           if VALID_TYPES.include?(value)
             value
           elsif required = (value == :required) # rubocop:disable AssignmentInCondition
             :string
           end
         when TrueClass, FalseClass
           :boolean
         when Numeric
           :numeric
         when Hash, Array, String
           value.class.name.downcase.to_sym
         end
  new(name.to_s, :required => required, :type => type, :default => default, :aliases => aliases)
end

def dasherize(str) 

def dasherize(str)
  (str.length > 1 ? "--" : "-") + str.gsub("_", "-")
end

def dasherized? 

def dasherized?
  name.index("-") == 0
end

def human_name 

def human_name
  @human_name ||= dasherized? ? undasherize(name) : name
end

def initialize(name, options = {}) 

def initialize(name, options = {})
  options[:required] = false unless options.key?(:required)
  super
  @lazy_default = options[:lazy_default]
  @group        = options[:group].to_s.capitalize if options[:group]
  @aliases      = Array(options[:aliases])
  @hide         = options[:hide]
end

def switch_name 

def switch_name
  @switch_name ||= dasherized? ? name : dasherize(name)
end

def undasherize(str) 

def undasherize(str)
  str.sub(/^-{1,2}/, "")
end

def usage(padding = 0) 

def usage(padding = 0)
  sample = if banner && !banner.to_s.empty?
    "#{switch_name}=#{banner}"
  else
    switch_name
  end
  sample = "[#{sample}]" unless required?
  if boolean?
    sample << ", [#{dasherize("no-" + human_name)}]" unless name == "force"
  end
  if aliases.empty?
    (" " * padding) << sample
  else
    "#{aliases.join(', ')}, #{sample}"
  end
end

def validate! 

def validate!
  fail ArgumentError, "An option cannot be boolean and required." if boolean? && required?
end