Module: Madeleine::Automatic::Interceptor

Defined in:
lib/madeleine/automatic.rb

Overview

should be made into commands

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(klass) ⇒ Object

keeping track of which methods are read only



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# File 'lib/madeleine/automatic.rb', line 74

def self.included(klass)
  class <<klass
    alias_method :_old_new, :new

    def new(*args, &block)
      @read_only_methods ||= []
      Prox.new(_old_new(*args, &block))
    end
#
# Called when a method added - remember symbol if read only 
# This is a good place to add in any superclass's read only methods also
#
    def method_added(symbol)
      self.instance_eval {
        @read_only_methods ||= []
        @auto_read_only_flag ||= false
        @read_only_methods << symbol if @auto_read_only_flag
        c = self
        while (c = c.superclass)
          if (c.instance_eval {instance_variables.include? "@read_only_methods"})
            @read_only_methods |= c.instance_eval {@read_only_methods}
          end
        end
      }
    end
#
# Set the read only flag, or add read only methods
#
    def automatic_read_only(*list)
      if (list == [])
        self.instance_eval {@auto_read_only_flag = true}
      else
        list.each {|s| self.instance_eval {@read_only_methods ||= []; @read_only_methods << s}}
      end
    end
#
# Clear the read only flag, or remove read only methods
#
    def automatic_read_write(*list)
      if (list == [])
        self.instance_eval {@auto_read_only_flag = false}
      else
        list.each {|s| self.instance_eval {@read_only_methods ||= []; @read_only_methods.delete(s)}}
      end
    end

  end
end

Instance Method Details

#read_only_methods ⇒ Object

Return the list of read only methods so Automatic_proxy#method_missing can find what to and what not to make into a command



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# File 'lib/madeleine/automatic.rb', line 125

def read_only_methods
  self.class.instance_eval {@read_only_methods}
end