class ActionView::Resolver::Cache

def cache(key, name, prefix, partial, locals)
  @data[key][name][prefix][partial][locals] ||= canonical_no_templates(yield)
end

def cache_query(query) # :nodoc:
  @query_cache[query] ||= canonical_no_templates(yield)
end

def canonical_no_templates(templates)
  templates.empty? ? NO_TEMPLATES : templates
end

def clear
  @data.clear
  @query_cache.clear
end

def initialize
  @data = SmallCache.new(&KEY_BLOCK)
  @query_cache = SmallCache.new
end

def inspect
  "#{to_s[0..-2]} keys=#{@data.size} queries=#{@query_cache.size}>"
end

def size # :nodoc:
  size = 0
  @data.each_value do |v1|
    v1.each_value do |v2|
      v2.each_value do |v3|
        v3.each_value do |v4|
          size += v4.size
        end
      end
    end
  end
  size + @query_cache.size
end