OLD | NEW |
1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 import 'package:collection/collection.dart'; | 5 import 'package:collection/collection.dart'; |
6 | 6 |
7 import 'utils.dart'; | 7 import 'utils.dart'; |
8 import 'version.dart'; | 8 import 'version.dart'; |
9 import 'version_constraint.dart'; | 9 import 'version_constraint.dart'; |
10 import 'version_range.dart'; | 10 import 'version_range.dart'; |
(...skipping 37 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
48 } | 48 } |
49 | 49 |
50 // Only allow Versions and VersionRanges here so we can more easily reason | 50 // Only allow Versions and VersionRanges here so we can more easily reason |
51 // about everything in [flattened]. _EmptyVersions and VersionUnions are | 51 // about everything in [flattened]. _EmptyVersions and VersionUnions are |
52 // filtered out above. | 52 // filtered out above. |
53 for (var constraint in flattened) { | 53 for (var constraint in flattened) { |
54 if (constraint is VersionRange) continue; | 54 if (constraint is VersionRange) continue; |
55 throw new ArgumentError('Unknown VersionConstraint type $constraint.'); | 55 throw new ArgumentError('Unknown VersionConstraint type $constraint.'); |
56 } | 56 } |
57 | 57 |
58 (flattened as List).sort(compareMax); | 58 flattened.sort(compareMax); |
59 | 59 |
60 var merged = <VersionRange>[]; | 60 var merged = <VersionRange>[]; |
61 for (var constraint in flattened) { | 61 for (var constraint in flattened) { |
62 // Merge this constraint with the previous one, but only if they touch. | 62 // Merge this constraint with the previous one, but only if they touch. |
63 if (merged.isEmpty || | 63 if (merged.isEmpty || |
64 (!merged.last.allowsAny(constraint) && | 64 (!merged.last.allowsAny(constraint) && |
65 !areAdjacent(merged.last, constraint))) { | 65 !areAdjacent(merged.last, constraint))) { |
66 merged.add(constraint); | 66 merged.add(constraint); |
67 } else { | 67 } else { |
68 merged[merged.length - 1] = merged.last.union(constraint); | 68 merged[merged.length - 1] = merged.last.union(constraint); |
(...skipping 102 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
171 | 171 |
172 bool operator ==(other) { | 172 bool operator ==(other) { |
173 if (other is! VersionUnion) return false; | 173 if (other is! VersionUnion) return false; |
174 return const ListEquality().equals(constraints, other.constraints); | 174 return const ListEquality().equals(constraints, other.constraints); |
175 } | 175 } |
176 | 176 |
177 int get hashCode => const ListEquality().hash(constraints); | 177 int get hashCode => const ListEquality().hash(constraints); |
178 | 178 |
179 String toString() => constraints.join(" or "); | 179 String toString() => constraints.join(" or "); |
180 } | 180 } |
OLD | NEW |