| // Copyright (c) 2014, 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. |
| |
| library dart_style.src.io; |
| |
| import 'dart:io'; |
| |
| import 'package:path/path.dart' as p; |
| |
| import 'dart_formatter.dart'; |
| import 'exceptions.dart'; |
| import 'formatter_options.dart'; |
| import 'source_code.dart'; |
| |
| /// Runs the formatter on every .dart file in [path] (and its subdirectories), |
| /// and replaces them with their formatted output. |
| /// |
| /// Returns `true` if successful or `false` if an error occurred in any of the |
| /// files. |
| bool processDirectory(FormatterOptions options, Directory directory) { |
| options.reporter.showDirectory(directory.path); |
| |
| var success = true; |
| var shownHiddenPaths = <String>{}; |
| |
| for (var entry in directory.listSync( |
| recursive: true, followLinks: options.followLinks)) { |
| var relative = p.relative(entry.path, from: directory.path); |
| |
| if (entry is Link) { |
| options.reporter.showSkippedLink(relative); |
| continue; |
| } |
| |
| if (entry is! File || !entry.path.endsWith('.dart')) continue; |
| |
| // If the path is in a subdirectory starting with ".", ignore it. |
| var parts = p.split(relative); |
| var hiddenIndex; |
| for (var i = 0; i < parts.length; i++) { |
| if (parts[i].startsWith('.')) { |
| hiddenIndex = i; |
| break; |
| } |
| } |
| |
| if (hiddenIndex != null) { |
| // Since we'll hide everything inside the directory starting with ".", |
| // show the directory name once instead of once for each file. |
| var hiddenPath = p.joinAll(parts.take(hiddenIndex + 1)); |
| if (shownHiddenPaths.add(hiddenPath)) { |
| options.reporter.showHiddenPath(hiddenPath); |
| } |
| continue; |
| } |
| |
| if (!processFile(options, entry, label: relative)) success = false; |
| } |
| |
| return success; |
| } |
| |
| /// Runs the formatter on [file]. |
| /// |
| /// Returns `true` if successful or `false` if an error occurred. |
| bool processFile(FormatterOptions options, File file, {String label}) { |
| label ??= file.path; |
| |
| var formatter = DartFormatter( |
| indent: options.indent, |
| pageWidth: options.pageWidth, |
| fixes: options.fixes); |
| try { |
| var source = SourceCode(file.readAsStringSync(), uri: file.path); |
| options.reporter.beforeFile(file, label); |
| var output = formatter.formatSource(source); |
| options.reporter |
| .afterFile(file, label, output, changed: source.text != output.text); |
| return true; |
| } on FormatterException catch (err) { |
| var color = Platform.operatingSystem != 'windows' && |
| stdioType(stderr) == StdioType.terminal; |
| |
| stderr.writeln(err.message(color: color)); |
| } on UnexpectedOutputException catch (err) { |
| stderr.writeln('''Hit a bug in the formatter when formatting $label. |
| $err |
| Please report at github.com/dart-lang/dart_style/issues.'''); |
| } catch (err, stack) { |
| stderr.writeln('''Hit a bug in the formatter when formatting $label. |
| Please report at github.com/dart-lang/dart_style/issues. |
| $err |
| $stack'''); |
| } |
| |
| return false; |
| } |