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| 1 | +// Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file |
| 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. |
| 4 | + |
| 5 | +import 'package:args/args.dart'; |
| 6 | +import 'package:args/command_runner.dart'; |
| 7 | +import 'package:cli_util/cli_logging.dart'; |
| 8 | +import 'package:dartdev/src/commands/fix.dart'; |
| 9 | +import 'package:dartdev/src/core.dart'; |
| 10 | +import 'package:dartdev/src/utils.dart'; |
| 11 | +import 'package:meta/meta.dart'; |
| 12 | + |
| 13 | +Future<void> main(List<String> args) async { |
| 14 | + var runner = FixRunner(logger: Logger.standard()); |
| 15 | + var result = await runner.runFix(args); |
| 16 | + return result.returnCode; |
| 17 | +} |
| 18 | + |
| 19 | +class CapturedProgress extends Progress { |
| 20 | + final LoggerOutput output; |
| 21 | + |
| 22 | + bool canceled = false; |
| 23 | + bool finished = false; |
| 24 | + |
| 25 | + CapturedProgress(this.output, String message) : super(message) { |
| 26 | + output.progress.writeln(message); |
| 27 | + } |
| 28 | + |
| 29 | + @override |
| 30 | + void cancel() { |
| 31 | + canceled = true; |
| 32 | + } |
| 33 | + |
| 34 | + @override |
| 35 | + void finish({String message, bool showTiming = false}) { |
| 36 | + // todo (pq): consider capturing / tracking finish display updates. |
| 37 | + finished = true; |
| 38 | + } |
| 39 | +} |
| 40 | + |
| 41 | +class CapturingLogger implements Logger { |
| 42 | + final LoggerOutput output = LoggerOutput(); |
| 43 | + |
| 44 | + @override |
| 45 | + final Ansi ansi = Ansi(Ansi.terminalSupportsAnsi); |
| 46 | + |
| 47 | + @override |
| 48 | + bool isVerbose; |
| 49 | + |
| 50 | + CapturingLogger({this.isVerbose = false}); |
| 51 | + |
| 52 | + @override |
| 53 | + void flush() { |
| 54 | + // deprecated. |
| 55 | + } |
| 56 | + |
| 57 | + @override |
| 58 | + Progress progress(String message) => CapturedProgress(output, message); |
| 59 | + |
| 60 | + @override |
| 61 | + void stderr(String message) { |
| 62 | + output.stderr.writeln(message); |
| 63 | + } |
| 64 | + |
| 65 | + @override |
| 66 | + void stdout(String message) { |
| 67 | + output.stdout.writeln(message); |
| 68 | + } |
| 69 | + |
| 70 | + @override |
| 71 | + void trace(String message) { |
| 72 | + output.trace.writeln(message); |
| 73 | + } |
| 74 | + |
| 75 | + @override |
| 76 | + void write(String message) { |
| 77 | + output.stdout.write(message); |
| 78 | + } |
| 79 | + |
| 80 | + @override |
| 81 | + void writeCharCode(int charCode) { |
| 82 | + output.stdout.writeCharCode(charCode); |
| 83 | + } |
| 84 | +} |
| 85 | + |
| 86 | +class FixResult<T extends Logger> { |
| 87 | + /// The value returned by [FixCommand.run]. |
| 88 | + final int returnCode; |
| 89 | + |
| 90 | + /// The logger used in driving fixes. |
| 91 | + final T logger; |
| 92 | + |
| 93 | + FixResult(this.logger, this.returnCode); |
| 94 | +} |
| 95 | + |
| 96 | +class FixRunner<T extends Logger> extends CommandRunner<int> { |
| 97 | + final _supportedOptions = ['dry-run', 'apply']; |
| 98 | + |
| 99 | + T logger; |
| 100 | + |
| 101 | + @override |
| 102 | + final ArgParser argParser = ArgParser( |
| 103 | + usageLineLength: dartdevUsageLineLength, |
| 104 | + allowTrailingOptions: false, |
| 105 | + ); |
| 106 | + |
| 107 | + FixRunner({@required this.logger}) |
| 108 | + : super('fix_runner', |
| 109 | + 'A command-line utility for testing the `dart fix` command.') { |
| 110 | + addCommand(FixCommand()); |
| 111 | + _supportedOptions.forEach(argParser.addOption); |
| 112 | + } |
| 113 | + |
| 114 | + @override |
| 115 | + Future<int> runCommand(ArgResults topLevelResults) async { |
| 116 | + var result = await super.runCommand(topLevelResults); |
| 117 | + return result; |
| 118 | + } |
| 119 | + |
| 120 | + Future<FixResult<T>> runFix(List<String> args) async { |
| 121 | + log = logger; |
| 122 | + var argResults = argParser.parse(['fix', ...?args]); |
| 123 | + var result = await runCommand(argResults); |
| 124 | + return FixResult(logger, result); |
| 125 | + } |
| 126 | +} |
| 127 | + |
| 128 | +class LoggerOutput { |
| 129 | + /// Messages reported to progress. |
| 130 | + final StringBuffer progress = StringBuffer(); |
| 131 | + |
| 132 | + /// Messages reported to stdout. |
| 133 | + final StringBuffer stdout = StringBuffer(); |
| 134 | + |
| 135 | + /// Messages reported to stderr. |
| 136 | + final StringBuffer stderr = StringBuffer(); |
| 137 | + |
| 138 | + /// Messages reported to trace. |
| 139 | + final StringBuffer trace = StringBuffer(); |
| 140 | +} |
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