Update all Angular libs (run update_all.sh).

third_party/pkg/route_hierarchical/lib/pattern.dart

-// Copyright (c) 2013, 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.
-
-/**
- * Pattern utilities for use with server.Router.
- *
- * Example:
- *
- *     var router = new Router(server);
- *     router.filter(matchesAny(new UrlPattern(r'/(\w+)'),
- *         exclude: [new UrlPattern('/login')]), authFilter);
- */
-library pattern;
-
-class _MultiPattern extends Pattern {
-  final Iterable<Pattern> include;
-  final Iterable<Pattern> exclude;
-
-  _MultiPattern(Iterable<Pattern> this.include,
-      {Iterable<Pattern> this.exclude});
-
-  Iterable<Match> allMatches(String str) {
-    var _allMatches = [];
-    for (var pattern in include) {
-      var matches = pattern.allMatches(str);
-      if (_hasMatch(matches)) {
-        if (exclude != null) {
-          for (var excludePattern in exclude) {
-            if (_hasMatch(excludePattern.allMatches(str))) {
-              return [];
-            }
-          }
-        }
-        _allMatches.add(matches);
-      }
-    }
-    return _allMatches.expand((x) => x);
-  }
-
-  Match matchAsPrefix(String string, [int start = 0]) {
-    throw new UnimplementedError('matchAsPrefix is not implemented');
-  }
-}
-
-/**
- * Returns a [Pattern] that matches against every pattern in [include] and
- * returns all the matches. If the input string matches against any pattern in
- * [exclude] no matches are returned.
- */
-Pattern matchAny(Iterable<Pattern> include, {Iterable<Pattern> exclude}) =>
-    new _MultiPattern(include, exclude: exclude);
-
-/**
- * Returns true if [pattern] has a single match in [str] that matches the whole
- * string, not a substring.
- */
-bool matchesFull(Pattern pattern, String str) {
-  var iter = pattern.allMatches(str).iterator;
-  if (iter.moveNext()) {
-    var match = iter.current;
-    return match.start == 0 && match.end == str.length && !iter.moveNext();
-  }
-  return false;
-}
-
-bool matchesPrefix(Pattern pattern, String str) {
-  Iterable<Match> matches = pattern.allMatches(str);
-  return !matches.isEmpty && matches.first.start == 0;
-}
-
-/// return the tail
-Match prefixMatch(Pattern pattern, String str) {
-  Iterable<Match> matches = pattern.allMatches(str);
-  if (!matches.isEmpty && matches.first.start == 0) {
-    return matches.first;
-  }
-  return null;
-}
-
-bool _hasMatch(Iterable<Match> matches) => matches.iterator.moveNext();