Class: Module

Inherits:
Object
  • Object
show all
Defined in:
lib/fiddle_fluidsynth/core_ext/module.rb

Instance Method Summary collapse

Instance Method Details

#define_module(name, &block) ⇒ Object

Example

“‘ class Aclass

define_module(:Foo) do |mod|
  mod.const_set(...)
  :
end

end “‘



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# File 'lib/fiddle_fluidsynth/core_ext/module.rb', line 21

def define_module(name, &block)
  # mod = Module.new(&block)
  # const_set(name, mod)
  unless const_defined?(name)
    mod = Module.new
    const_set(name, mod)
  end

  block.call(const_get(name))
end

#enum(name = "", debug_f: false, **defs) ⇒ Object 



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# File 'lib/fiddle_fluidsynth/core_ext/module.rb', line 56

def enum( name = "", debug_f: false, **defs )
  # preprocess.
  if name.is_a? Hash
    defs = name
    name = ""
  end

  #
  if !(defs[:debug_f].nil?)
    debug_f = defs[:debug_f]
    defs.delete(:debug_f)
  else
    # $stderr.puts "(**) {#{__method__}} no options."
  end
  $stderr.puts "(**) defs: #{defs}" if debug_f
  $stderr.puts "(**) name: #{name}, debug_f: #{debug_f}," +
    " defs: #{defs}" if debug_f

  # create a module when name is specified.
  m_name = ""
  if name.to_s != ""
    m_name = "Enum_#{name}"
    define_module(m_name){|_mod| } unless const_defined?(m_name)
  end

  #
  _cnt = 0
  defs.each do |_k, _v|
    #
    raise "The head of `#{_k}' must be in Capital or you misspelled" +
      " for an option...?" unless _k =~ /^[A-Z]/

    #
    if _v.is_a? Integer
      puts "_k: #{_k} = #{_v}" if debug_f
      const_set(_k, _v)
      const_get(m_name).const_set(_k,_v) if m_name != ""

      _cnt = _v
    elsif _v.is_a? Symbol
      __v = const_get(_v)
      puts "_k: #{_k} = #{_v}, __v: #{__v}" if debug_f
      const_set(_k, __v)
      const_get(m_name).const_set(_k,__v) if m_name != ""

      _cnt = __v
    elsif _v.nil?
      _v = _cnt
      puts "_k: #{_k} = #{_v}" if debug_f
      const_set(_k, _v)
      const_get(m_name).const_set(_k,_v) if m_name != ""

      defs[_k] = _v
    else
      raise "value:#{_v} must be an Integer."
    end

    _cnt += 1
  end


  defs
end