module Tnql
  grammar Registry
    rule registry
      exclude:exclude_crown_dependencies? space registry:(registry_code / registry_abbr) <Nodes::RegistryNode>
    end

    rule exclude_crown_dependencies
      space ('not' / 'non' / 'exclude') space crown_dependency:('channel islands' / 'iom' / 'isle of man') <Nodes::ExcludeCrownDependencyNode>
    end

    rule registry_code
      'y' [0-9] 4..4 <Nodes::RegistryCodeNode>
    end

    rule registry_abbr
      ('nycris' / 'trent' / 'ecric' / 'thames' / 'oxford' / 'ociu' / 'swcis' / 'wmciu' / 'nwcis') <Nodes::RegistryAbbrNode>
    end
  end
end