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Put custom builders in their own file, enable build_test #154
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| // Copyright (c) 2018, 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. | ||
|
|
||
| import 'dart:async'; | ||
| import 'package:build/build.dart'; | ||
|
|
||
| import 'package:path/path.dart' as p; | ||
| import 'package:source_gen/source_gen.dart'; | ||
|
|
||
| final _copyrightContent = | ||
| '''// Copyright (c) 2017, 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. | ||
| '''; | ||
|
|
||
| final copyrightHeader = '$_copyrightContent\n$defaultFileHeader'; | ||
|
|
||
| Builder nonNull([_]) => new LibraryBuilder(new _NonNullableGenerator(), | ||
| generatedExtension: '.non_nullable.dart', header: copyrightHeader); | ||
|
|
||
| Builder wrapped([_]) => new LibraryBuilder(new _WrappedGenerator(), | ||
| generatedExtension: '.wrapped.dart', header: copyrightHeader); | ||
|
|
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| class _NonNullableGenerator extends Generator { | ||
| @override | ||
| FutureOr<String> generate(LibraryReader library, BuildStep buildStep) async { | ||
| final path = buildStep.inputId.path; | ||
| final baseName = p.basenameWithoutExtension(path); | ||
|
|
||
| final content = await buildStep.readAsString(buildStep.inputId); | ||
| var replacements = [ | ||
| new _Replacement(_copyrightContent, ''), | ||
| new _Replacement( | ||
| "part '$baseName.g.dart", | ||
| "part '$baseName.non_nullable.g.dart", | ||
| ), | ||
| new _Replacement( | ||
| '@JsonSerializable()', '@JsonSerializable(nullable: false)'), | ||
| ]; | ||
|
|
||
| if (baseName == 'kitchen_sink') { | ||
| replacements.addAll([ | ||
| new _Replacement('List<T> _defaultList<T>() => null;', | ||
| 'List<T> _defaultList<T>() => <T>[];'), | ||
| new _Replacement( | ||
| 'Map _defaultMap() => null;', 'Map _defaultMap() => {};'), | ||
| new _Replacement('DateTime dateTime;', | ||
| 'DateTime dateTime = new DateTime(1981, 6, 5);') | ||
| ]); | ||
| } | ||
|
|
||
| return _Replacement.generate(content, replacements); | ||
| } | ||
| } | ||
|
|
||
| class _WrappedGenerator extends Generator { | ||
| @override | ||
| FutureOr<String> generate(LibraryReader library, BuildStep buildStep) async { | ||
| final path = buildStep.inputId.path; | ||
| final baseName = p.basenameWithoutExtension(path); | ||
|
|
||
| final content = await buildStep.readAsString(buildStep.inputId); | ||
| var replacements = [ | ||
| new _Replacement(_copyrightContent, ''), | ||
| new _Replacement( | ||
| "part '$baseName.g.dart", | ||
| "part '$baseName.wrapped.g.dart", | ||
| ), | ||
| ]; | ||
|
|
||
| return _Replacement.generate(content, replacements); | ||
| } | ||
| } | ||
|
|
||
| class _Replacement { | ||
| final Pattern existing; | ||
| final String replacement; | ||
|
|
||
| _Replacement(this.existing, this.replacement); | ||
|
|
||
| static String generate( | ||
| String inputContent, Iterable<_Replacement> replacements) { | ||
| var outputContent = inputContent; | ||
|
|
||
| for (var r in replacements) { | ||
| if (!outputContent.contains(r.existing)) { | ||
| throw new StateError( | ||
| 'Input string did not contain `${r.existing}` as expected.'); | ||
| } | ||
| outputContent = outputContent.replaceAll(r.existing, r.replacement); | ||
| } | ||
|
|
||
| return outputContent; | ||
| } | ||
| } | ||
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2018?