Class: Class

Inherits:
Object show all
Defined in:
lib/ctx.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#ctx_methods ⇒ Object

Returns the value of attribute ctx_methods.



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# File 'lib/ctx.rb', line 48

def ctx_methods
  @ctx_methods
end

Instance Method Details

#ctx(context = :anonymous, &contextual) ⇒ Object 



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

def ctx(context = :anonymous, &contextual)
  @ctx_methods ||= {}

  template = Template.new
  template.instance_exec(self, &contextual)

  matching = template.added

  matching.each do |method_name|
    if ctx_methods[method_name].nil?
      ctx_methods[method_name] = {}
      if instance_methods(true).includes? method_name
        ctx_methods[method_name][nil.sym] = instance_method(method_name)
      elsif singleton_methods(true).include? method_name
        ctx_methods[method_name][nil.sym] = singleton_class.instance_method(method_name)
      end
    end
  end

  self.class_eval(&contextual)

  matching.each do |method_name|
    if instance_methods(true).includes? method_name
      ctx_methods[method_name][context] = instance_method(method_name)
      define_method(method_name) do |*args|
        methods = self.class.ctx_methods[method_name]
        matched = @@contexts.return_first { |currentctx|  methods[currentctx.name] }
        matched.bind(self).(*args)
      end

    elsif singleton_methods(true).include? method_name
      ctx_methods[method_name][context] = singleton_class.instance_method(method_name)

      define_singleton_method(method_name) do |*args|
        methods = self.ctx_methods[method_name]
        matched = @@contexts.return_first { |currentctx|  methods[currentctx.name] }
        matched.bind(self).(*args)
      end
    end
  end
end