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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 /// A simple library for rendering a list of files as a directory tree. | 5 /// A simple library for rendering a list of files as a directory tree. |
6 library directory_tree; | 6 library directory_tree; |
7 | 7 |
8 import 'log.dart' as log; | 8 import 'log.dart' as log; |
9 import 'path.dart' as path; | 9 import 'path.dart' as path; |
10 | 10 |
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43 /// | |-- main.dart | 43 /// | |-- main.dart |
44 /// | '-- web copy | 44 /// | '-- web copy |
45 /// | '-- web_example.dart | 45 /// | '-- web_example.dart |
46 /// |-- lib | 46 /// |-- lib |
47 /// | '-- path.dart | 47 /// | '-- path.dart |
48 /// |-- pubspec.yaml | 48 /// |-- pubspec.yaml |
49 /// '-- test | 49 /// '-- test |
50 /// |-- absolute_test.dart | 50 /// |-- absolute_test.dart |
51 /// |-- all_test.dart | 51 /// |-- all_test.dart |
52 /// |-- basename_test.dart | 52 /// |-- basename_test.dart |
53 /// | (7 more...) | 53 /// | (7 more...) |
54 /// |-- path_windows_test.dart | 54 /// |-- path_windows_test.dart |
55 /// |-- relative_test.dart | 55 /// |-- relative_test.dart |
56 /// '-- split_test.dart | 56 /// '-- split_test.dart |
57 /// | 57 /// |
58 String generateTree(List<String> files) { | 58 String generateTree(List<String> files) { |
59 // Parse out the files into a tree of nested maps. | 59 // Parse out the files into a tree of nested maps. |
60 var root = {}; | 60 var root = {}; |
61 for (var file in files) { | 61 for (var file in files) { |
62 var parts = path.split(file); | 62 var parts = path.split(file); |
63 var directory = root; | 63 var directory = root; |
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102 | 102 |
103 // Recurse to the children. | 103 // Recurse to the children. |
104 var childNames = new List.from(children.keys); | 104 var childNames = new List.from(children.keys); |
105 childNames.sort(); | 105 childNames.sort(); |
106 | 106 |
107 _drawChild(bool isLastChild, String child) { | 107 _drawChild(bool isLastChild, String child) { |
108 var childPrefix = _getPrefix(name == null, isLast); | 108 var childPrefix = _getPrefix(name == null, isLast); |
109 _draw(buffer, '$prefix$childPrefix', isLastChild, child, children[child]); | 109 _draw(buffer, '$prefix$childPrefix', isLastChild, child, children[child]); |
110 } | 110 } |
111 | 111 |
112 if (childNames.length <= 10) { | 112 if (name == null || childNames.length <= 10) { |
Bob Nystrom
2012/12/13 01:07:01
The intent here is to never elide at the top level
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113 // Not too many, so show all the children. | 113 // Not too many, so show all the children. |
114 for (var i = 0; i < childNames.length; i++) { | 114 for (var i = 0; i < childNames.length; i++) { |
115 _drawChild(i == childNames.length - 1, childNames[i]); | 115 _drawChild(i == childNames.length - 1, childNames[i]); |
116 } | 116 } |
117 } else { | 117 } else { |
118 // Show the first few. | 118 // Show the first few. |
119 _drawChild(false, childNames[0]); | 119 _drawChild(false, childNames[0]); |
120 _drawChild(false, childNames[1]); | 120 _drawChild(false, childNames[1]); |
121 _drawChild(false, childNames[2]); | 121 _drawChild(false, childNames[2]); |
122 | 122 |
123 // Elide the middle ones. | 123 // Elide the middle ones. |
124 buffer.add(prefix); | 124 buffer.add(prefix); |
125 buffer.add(_getPrefix(name == null, isLast)); | 125 buffer.add(_getPrefix(name == null, isLast)); |
126 buffer.add('| (${childNames.length - 6} more...)\n'); | 126 buffer.add('| (${childNames.length - 6} more...)\n'); |
Bob Nystrom
2012/12/13 01:07:01
You'll need to update the test too.
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127 | 127 |
128 // Show the last few. | 128 // Show the last few. |
129 _drawChild(false, childNames[childNames.length - 3]); | 129 _drawChild(false, childNames[childNames.length - 3]); |
130 _drawChild(false, childNames[childNames.length - 2]); | 130 _drawChild(false, childNames[childNames.length - 2]); |
131 _drawChild(true, childNames[childNames.length - 1]); | 131 _drawChild(true, childNames[childNames.length - 1]); |
132 } | 132 } |
133 } | 133 } |
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