Class: Caricature::ClrInterfaceIsolator

Inherits:
Isolator show all
Defined in:
lib/caricature/clr/isolator.rb

Overview

An Isolator for CLR interfaces. this implements all the methods that are defined on the interface.

Instance Attribute Summary

Attributes inherited from Isolator

#descriptor, #isolation, #subject

Instance Method Summary collapse

Methods inherited from Isolator

#build_isolation, #class_name, for, #initialize_isolation

Constructor Details

#initialize(context) ⇒ ClrInterfaceIsolator

Implementation of the template method that creates an isolator for an interface defined in a CLR language.



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# File 'lib/caricature/clr/isolator.rb', line 201

def initialize(context)
  super
  sklass = context.subject
  @descriptor = ClrInterfaceDescriptor.new sklass
  build_isolation sklass
end

Instance Method Details

#create_isolation_for(subj) ⇒ Object

builds the actual isolator for the CLR interface



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# File 'lib/caricature/clr/isolator.rb', line 214

def create_isolation_for(subj)
  proxy_members = @descriptor.instance_members
  events = @descriptor.events

  klass = Object.const_set(class_name(subj), Class.new)
  klass.class_eval do

    include subj
    include Interception

    proxy_members.each do |mem|
      nm = mem.name.to_s.to_sym
      define_method nm do |*args|
        b = nil
        b = Proc.new { yield } if block_given?
        isolation_context.send_message(nm, mem.return_type, *args, &b)
      end
    end


  end

  evts = events.collect do |evt|
   %w(add remove).inject("") do |res, nm|
     res << <<-end_event_definition

def #{"self." unless evt.instance_member?}#{nm}_#{evt.event_name}(block)
  isolation_context.#{nm}_event_subscription('#{evt.event_name}', :#{evt.instance_member? ? "instance" : "class"}, block)
end

     end_event_definition
   end
  end.join("\n")
  klass.class_eval evts

  klass
end

#initialize_messenger ⇒ Object

initializes the messaging strategy for the isolator



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# File 'lib/caricature/clr/isolator.rb', line 209

def initialize_messenger
  @context.messenger = ClrInterfaceMessenger.new @context.expectations
end