module Etter

Top level namespace for Etter. Behaves somewhat like a class, in that you can send ::new to it, but will not return anything other than a String or Sumbol

Constants

ERROR
VERSION

Public Class Methods

getter(obj) click to toggle source

# File lib/etter/etter.rb, line 22
def getter(obj)
  _validate_internal obj
  obj.intern
end

new(string) → string click to toggle source

new(symbol) → symbol

# File lib/etter/etter.rb, line 13
def new(obj)
  attribute = _attrify(obj)
  if obj.is_a? Symbol
    return attribute.intern
  else
    return attribute
  end
end

setter(obj) click to toggle source

# File lib/etter/etter.rb, line 27
def setter(obj)
  _validate_internal obj
  (obj.to_s + "=").intern
end

Private Class Methods

_attrify(obj) click to toggle source

# File lib/etter/etter.rb, line 33
def _attrify(obj)
  _validate_internal(obj)
  obj = literal2snk(obj)
  if obj[0] == '@'
    return obj
  else
    return obj.prepend '@'
  end
end

_validate_internal(obj) click to toggle source

# File lib/etter/etter.rb, line 48
def _validate_internal(obj)
  raise NameError, "`#{obj}' #{ERROR}" unless
    obj.is_a?(String) || obj.is_a?(Symbol)
  raise NameError, "`#{obj}' #{ERROR}" unless
    obj[0] =~ /[a-zA-Z@]/
  raise NameError, "`#{obj}' #{ERROR}" unless
    obj.to_s[1..-1].scan(/[^a-zA-Z0-9-]/).empty?
end

extended(mod) click to toggle source

# File lib/etter/etter.rb, line 57
def self.extended(mod)
  raise "cannot extend this module. "
end

literal2snk(obj) click to toggle source

# File lib/etter/etter.rb, line 43
def literal2snk(obj)
  rep = obj.to_s.gsub('-', '_')
  rep
end