| 1 | | // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
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| 2 | | // for details. All rights reserved. Use of this source code is governed by a
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| 3 | | // BSD-style license that can be found in the LICENSE file.
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| 4 | |
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| 5 | | library dart_style.src.io;
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| 6 | |
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| 7 | | import 'dart:io';
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| 8 | |
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| 9 | | import 'package:path/path.dart' as p;
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| 10 | |
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| 11 | | import 'dart_formatter.dart';
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| 12 | | import 'exceptions.dart';
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| 13 | | import 'formatter_options.dart';
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| 14 | | import 'source_code.dart';
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| 15 | |
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| 16 | | /// Runs the formatter on every .dart file in [path] (and its subdirectories),
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| 17 | | /// and replaces them with their formatted output.
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| 18 | | ///
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| 19 | | /// Returns `true` if successful or `false` if an error occurred in any of the
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| 20 | | /// files.
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| 21 | 1 | bool processDirectory(FormatterOptions options, Directory directory) {
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| 22 | 3 | options.reporter.showDirectory(directory.path);
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| 23 | |
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| 24 | | var success = true;
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| 25 | 1 | var shownHiddenPaths = new Set<String>();
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| 26 | |
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| 27 | 1 | for (var entry in directory.listSync(
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| 28 | 1 | recursive: true, followLinks: options.followLinks)) {
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| 29 | 3 | var relative = p.relative(entry.path, from: directory.path);
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| 30 | |
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| 31 | 1 | if (entry is Link) {
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| 32 | 2 | options.reporter.showSkippedLink(relative);
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| 33 | | continue;
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| 34 | | }
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| 35 | |
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| 36 | 3 | if (entry is! File || !entry.path.endsWith(".dart")) continue;
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| 37 | |
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| 38 | | // If the path is in a subdirectory starting with ".", ignore it.
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| 39 | 1 | var parts = p.split(relative);
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| 40 | | var hiddenIndex;
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| 41 | 3 | for (var i = 0; i < parts.length; i++) {
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| 42 | 2 | if (parts[i].startsWith(".")) {
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| 43 | | hiddenIndex = i;
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| 44 | | break;
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| 45 | | }
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| 46 | | }
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| 47 | |
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| 48 | | if (hiddenIndex != null) {
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| 49 | | // Since we'll hide everything inside the directory starting with ".",
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| 50 | | // show the directory name once instead of once for each file.
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| 51 | 3 | var hiddenPath = p.joinAll(parts.take(hiddenIndex + 1));
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| 52 | 1 | if (shownHiddenPaths.add(hiddenPath)) {
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| 53 | 2 | options.reporter.showHiddenPath(hiddenPath);
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| 54 | | }
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| 55 | | continue;
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| 56 | | }
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| 57 | |
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| 58 | 1 | if (!processFile(options, entry, label: relative)) success = false;
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| 59 | | }
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| 60 | |
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| 61 | | return success;
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| 62 | | }
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| 63 | |
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| 64 | | /// Runs the formatter on [file].
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| 65 | | ///
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| 66 | | /// Returns `true` if successful or `false` if an error occurred.
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| 67 | 1 | bool processFile(FormatterOptions options, File file, {String label}) {
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| 68 | 1 | if (label == null) label = file.path;
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| 69 | |
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| 70 | 1 | var formatter = new DartFormatter(
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| 71 | 1 | indent: options.indent,
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| 72 | 1 | pageWidth: options.pageWidth,
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| 73 | 1 | fixes: options.fixes);
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| 74 | | try {
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| 75 | 3 | var source = new SourceCode(file.readAsStringSync(), uri: file.path);
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| 76 | 2 | options.reporter.beforeFile(file, label);
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| 77 | 1 | var output = formatter.formatSource(source);
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| 78 | 1 | options.reporter
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| 79 | 4 | .afterFile(file, label, output, changed: source.text != output.text);
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| 80 | | return true;
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| 81 | 0 | } on FormatterException catch (err) {
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| 82 | 0 | var color = Platform.operatingSystem != "windows" &&
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| 83 | 0 | stdioType(stderr) == StdioType.terminal;
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| 84 | |
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| 85 | 0 | stderr.writeln(err.message(color: color));
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| 86 | 0 | } on UnexpectedOutputException catch (err) {
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| 87 | 0 | stderr.writeln('''Hit a bug in the formatter when formatting $label.
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| 88 | | $err
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| 89 | 0 | Please report at github.com/dart-lang/dart_style/issues.''');
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| 90 | | } catch (err, stack) {
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| 91 | 0 | stderr.writeln('''Hit a bug in the formatter when formatting $label.
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| 92 | | Please report at github.com/dart-lang/dart_style/issues.
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| 93 | | $err
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| 94 | 0 | $stack''');
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| 95 | | }
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| 96 | |
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| 97 | | return false;
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| 98 | | }
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