Reorganize dartdoc to new package layout.

pkg/dartdoc/nav.dart

-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-/*
- * Constant values used for encoding navigation info.
- *
- * The generated JSON data is a list of LibraryInfo maps, defined as follows:
- *
- *     LibraryInfo = {
- *         String NAME, // Library name.
- *         List<TypeInfo> TYPES, // Library types.
- *         List<MemberInfo> MEMBERS, // Library functions and variables.
- *     };
- *     TypeInfo = {
- *         String NAME, // Type name.
- *         String ARGS, // Type variables, e.g. "<K,V>". Optional.
- *         String KIND, // One of CLASS, INTERFACE, or TYPEDEF.
- *         List<MemberInfo> MEMBERS, // Type fields and methods.
- *     };
- *     MemberInfo = {
- *        String NAME, // Member name.
- *        String KIND, // One of FIELD, CONSTRUCTOR, METHOD, GETTER, or SETTER.
- *        String LINK_NAME, // Anchor name for the member if different from
- *                          // NAME.
- *     };
- *
- *
- * TODO(johnniwinther): Shorten the string values to reduce JSON output size.
- */
-
-const String LIBRARY = 'library';
-const String CLASS = 'class';
-const String INTERFACE = 'interface';
-const String TYPEDEF = 'typedef';
-const String MEMBERS = 'members';
-const String TYPES = 'types';
-const String ARGS = 'args';
-const String NAME = 'name';
-const String KIND = 'kind';
-const String FIELD = 'field';
-const String CONSTRUCTOR = 'constructor';
-const String METHOD = 'method';
-const String GETTER = 'getter';
-const String SETTER = 'setter';
-const String LINK_NAME = 'link_name';
-
-/**
- * Translation of const values to strings. Used to facilitate shortening of
- * constant value strings.
- */
-String kindToString(String kind) {
-  if (kind == LIBRARY) {
-    return 'library';
-  } else if (kind == CLASS) {
-    return 'class';
-  } else if (kind == INTERFACE) {
-    return 'interface';
-  } else if (kind == TYPEDEF) {
-    return 'typedef';
-  } else if (kind == FIELD) {
-    return 'field';
-  } else if (kind == CONSTRUCTOR) {
-    return 'constructor';
-  } else if (kind == METHOD) {
-    return 'method';
-  } else if (kind == GETTER) {
-    return 'getter';
-  } else if (kind == SETTER) {
-    return 'setter';
-  }
-  return '';
-}