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Side by Side Diff: utils/pub/package.dart

Issue 14071002: Added new version of reduce. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Removed more uses of max, and a few bugs. Created 7 years, 8 months ago
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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2012, 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 library package; 5 library package;
6 6
7 import 'dart:async'; 7 import 'dart:async';
8 8
9 import 'package:pathos/path.dart' as path; 9 import 'package:pathos/path.dart' as path;
10 10
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41 /// Returns the path to the README file at the root of the entrypoint, or null 41 /// Returns the path to the README file at the root of the entrypoint, or null
42 /// if no README file is found. If multiple READMEs are found, this uses the 42 /// if no README file is found. If multiple READMEs are found, this uses the
43 /// same conventions as pub.dartlang.org for choosing the primary one: the 43 /// same conventions as pub.dartlang.org for choosing the primary one: the
44 /// README with the fewest extensions that is lexically ordered first is 44 /// README with the fewest extensions that is lexically ordered first is
45 /// chosen. 45 /// chosen.
46 String get readmePath { 46 String get readmePath {
47 var readmes = listDir(dir).map(path.basename). 47 var readmes = listDir(dir).map(path.basename).
48 where((entry) => entry.contains(_README_REGEXP)); 48 where((entry) => entry.contains(_README_REGEXP));
49 if (readmes.isEmpty) return; 49 if (readmes.isEmpty) return;
50 50
51 return path.join(dir, readmes.min((readme1, readme2) { 51 return path.join(dir, readmes.reduce((readme1, readme2) {
52 var extensions1 = ".".allMatches(readme1).length; 52 var extensions1 = ".".allMatches(readme1).length;
53 var extensions2 = ".".allMatches(readme2).length; 53 var extensions2 = ".".allMatches(readme2).length;
54 var comparison = extensions1.compareTo(extensions2); 54 var comparison = extensions1.compareTo(extensions2);
55 if (comparison != 0) return comparison; 55 if (comparison == 0) comparison = readme1.compareTo(readme2);
56 return readme1.compareTo(readme2); 56 return (comparison <= 0) ? readme1 : readme2;
57 })); 57 }));
58 } 58 }
59 59
60 /// Loads the package whose root directory is [packageDir]. [name] is the 60 /// Loads the package whose root directory is [packageDir]. [name] is the
61 /// expected name of that package (e.g. the name given in the dependency), or 61 /// expected name of that package (e.g. the name given in the dependency), or
62 /// `null` if the package being loaded is the entrypoint package. 62 /// `null` if the package being loaded is the entrypoint package.
63 Package.load(String name, String packageDir, SourceRegistry sources) 63 Package.load(String name, String packageDir, SourceRegistry sources)
64 : dir = packageDir, 64 : dir = packageDir,
65 pubspec = new Pubspec.load(name, packageDir, sources); 65 pubspec = new Pubspec.load(name, packageDir, sources);
66 66
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205 205
206 class PubspecNameMismatchException implements Exception { 206 class PubspecNameMismatchException implements Exception {
207 final String expectedName; 207 final String expectedName;
208 final String actualName; 208 final String actualName;
209 209
210 PubspecNameMismatchException(this.expectedName, this.actualName); 210 PubspecNameMismatchException(this.expectedName, this.actualName);
211 211
212 String toString() => 'The name you specified for your dependency, ' 212 String toString() => 'The name you specified for your dependency, '
213 '"$expectedName", doesn\'t match the name "$actualName" in its pubspec.'; 213 '"$expectedName", doesn\'t match the name "$actualName" in its pubspec.';
214 } 214 }
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