module Middleman::CoreExtensions::Routing::InstanceMethods

def page(url, opts={}, &block)
  blocks = []
  blocks << block if block_given?
  # Default layout
  opts[:layout] = layout if opts[:layout].nil?
  # If the url is a regexp
  if url.is_a?(Regexp) || url.include?("*")
    # Use the metadata loop for matching against paths at runtime
    sitemap.provides_metadata_for_path url do |url|
      { :options => opts, :blocks => blocks }
    end
    return
  end
  # Normalized path
  url = full_path(url)
  # Setup proxy
  if opts.has_key?(:proxy)
    proxy(url, opts[:proxy])
    if opts.has_key?(:ignore) && opts[:ignore]
      ignore(opts[:proxy])
      opts.delete(:ignore)
    end
    opts.delete(:proxy)
  else
    if opts.has_key?(:ignore) && opts[:ignore]
      ignore(url)
      opts.delete(:ignore)
    end
  end
  # Setup a metadata matcher for rendering those options
  sitemap.provides_metadata_for_path url do |url|
    { :options => opts, :blocks => blocks }
  end
end

def with_layout(layout_name, &block)
  old_layout = layout
  set :layout, layout_name
  instance_exec(&block) if block_given?
ensure
  set :layout, old_layout
end