rmq/motion/ruby_motion_query/selectors.rb

module RubyMotionQuery
  class RMQ

    # Do not use
    def selectors=(value)
      @selected_dirty = true
      normalize_selectors(value)
      @_selectors = value
    end

    # @return the selectors, which is what you used for the query
    # @example
    #  (main)> rmq(UILabel, UIImageView).selectors
    #  => [UILabel, UIImageView] 
    def selectors
      @_selectors
    end


    protected 

    def match_context(new_selectors)
      match(context_or_context_view, new_selectors)
    end

    def match(view, new_selectors)
      new_selectors.each do |selector|
        if selector == :tagged
          return true unless view.rmq_data.has_tag?
        elsif selector.is_a?(Hash)
          return true if match_hash(view, selector)
        elsif selector.is_a?(Symbol)
          # TODO, make this faster
          return true if (view.rmq_data.style_name == selector) || view.rmq_data.has_tag?(selector)
        elsif selector.is_a?(Integer)
          # TODO, make this hugely faster
          return true if view.object_id == selector
        elsif RMQ.is_class?(selector)
          return true if view.is_a?(selector)
        else
          return true if view == selector
        end
      end

      false
    end


    private

    def match_hash(view, hash)
      # TODO, check speed, and do sub hashes for stuff like origin 
      # it's probably pretty slow
      hash.each do |k,v|
        return true if view.respond_to?(k) && (view.send(k) == v)
      end
      false
    end

    def normalize_selectors(a = self.selectors)
      a.flatten! if a
      a
    end
  end
end