Module: Shared

Extended by:
Shared
Included in:
Shared
Defined in:
lib/shared.rb

Constant Summary collapse

VERSION = 
'1.1.1'
Code = 
{}

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.description ⇒ Object 



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# File 'lib/shared.rb', line 44

def Shared.description
  'a clean way to factor class/instance mixins in ruby'
end

Instance Method Details

#key_for(name) ⇒ Object 



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# File 'lib/shared.rb', line 99

def key_for name
  name.to_s.strip.downcase
end

#load(key) ⇒ Object 



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# File 'lib/shared.rb', line 50

def load key
  key = key_for(key)
  unless Code.has_key?(key)
    ::Kernel.load("shared/#{ key }.rb")
  end
end

#shared(name, options = {}, &block) ⇒ Object Also known as: share, for 



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# File 'lib/shared.rb', line 57

def shared name, options = {}, &block
  key = key_for name
  via = (options[:via]||options['via']||:eval).to_s.to_sym

  if block.nil?
    Shared.load(key)
    return Code[key] 
  end

  m = (Code[key] || Module.new)

  case via
    when :eval
      singleton_class(m) do
        unless m.respond_to?(:blocks)
          blocks = []

          define_method(:blocks){ blocks }

          define_method(:included) do |other|
            blocks.each{|b| other.send(:module_eval, &b)}
          end

          define_method(:extend_object) do |other|
            Shared.singleton_class(other) do
              m.blocks.each{|b| module_eval &b}
            end
          end
        end
      end
      m.blocks << block

    when :module
      m.send(:module_eval, &block)
  end

  Code[key] ||= m
end

#singleton_class(object, &block) ⇒ Object 



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# File 'lib/shared.rb', line 103

def singleton_class object, &block
  singleton_class =
    class << object
      self
    end
  block ? singleton_class.module_eval(&block) : singleton_class
end

#version ⇒ Object 



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# File 'lib/shared.rb', line 42

def version() Shared::VERSION end