Class: CascadingConfiguration::Core::InstanceController::ExtensionModule

Inherits:
Module
  • Object
show all
Defined in:
lib/cascading_configuration/core/instance_controller/extension_module.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(instance_controller, encapsulation, configuration_name, &definer_block) ⇒ ExtensionModule

initialize #



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# File 'lib/cascading_configuration/core/instance_controller/extension_module.rb', line 8

def initialize( instance_controller, encapsulation, configuration_name, & definer_block )
  
  @instance_controller = instance_controller
  @encapsulation = encapsulation
  @configuration_name = configuration_name

  @pending_aliases = { }
          
  if block_given?
    module_eval( & definer_block )
  end
  
end

Instance Attribute Details

#configuration_name ⇒ Object (readonly)

configuration_name #



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# File 'lib/cascading_configuration/core/instance_controller/extension_module.rb', line 48

def configuration_name
  @configuration_name
end

#encapsulation ⇒ Object (readonly)

encapsulation #



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# File 'lib/cascading_configuration/core/instance_controller/extension_module.rb', line 42

def encapsulation
  @encapsulation
end

#instance_controller ⇒ Object (readonly)

instance_controller #



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# File 'lib/cascading_configuration/core/instance_controller/extension_module.rb', line 36

def instance_controller
  @instance_controller
end

Instance Method Details

#alias_method(alias_name, method_name) ⇒ Object

alias_method #



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# File 'lib/cascading_configuration/core/instance_controller/extension_module.rb', line 82

def alias_method( alias_name, method_name )
  
  aliased_method = false
  
  # if we don't respond to method, store it away so that we can alias it at extend time
  if method_defined?( method_name )
    super
    aliased_method = true
  else
    @pending_aliases[ alias_name ] = method_name
  end
  
  return aliased_method
  
end

#create_pending_aliases(configuration_instance) ⇒ Object

create_pending_aliases #



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# File 'lib/cascading_configuration/core/instance_controller/extension_module.rb', line 54

def create_pending_aliases( configuration_instance )
  
  created_aliases = false
  
  unless @pending_aliases.empty?
    pending_aliases = @pending_aliases
    eigenclass = class << configuration_instance ; self ; end
    eigenclass.instance_eval do
      pending_aliases.delete_if do |this_alias_name, this_method_name|
        should_delete = false
        if method_defined?( this_method_name )
          alias_method( this_alias_name, this_method_name )
          should_delete = true
        end
        should_delete
      end
    end
    created_aliases = true
  end
  
  return created_aliases
  
end

#extended(configuration_instance) ⇒ Object

extended #



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# File 'lib/cascading_configuration/core/instance_controller/extension_module.rb', line 26

def extended( configuration_instance )
  
  create_pending_aliases( configuration_instance )
      
end