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1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2014, 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 dart_style.src.whitespace; | 5 library dart_style.src.whitespace; |
6 | 6 |
7 /// Constants for the number of spaces for various kinds of indentation. | 7 /// Constants for the number of spaces for various kinds of indentation. |
8 class Indent { | 8 class Indent { |
9 /// The number of spaces in a block or collection body. | 9 /// The number of spaces in a block or collection body. |
10 static const block = 2; | 10 static const block = 2; |
11 | 11 |
12 /// How much wrapped cascade sections indent. | 12 /// How much wrapped cascade sections indent. |
13 static const cascade = 2; | 13 static const cascade = 2; |
14 | 14 |
15 /// The number of spaces in a single level of expression nesting. | 15 /// The number of spaces in a single level of expression nesting. |
16 static const expression = 4; | 16 static const expression = 4; |
17 | 17 |
18 /// The ":" on a wrapped constructor initialization list. | 18 /// The ":" on a wrapped constructor initialization list. |
19 static const constructorInitializer = 4; | 19 static const constructorInitializer = 4; |
20 | |
21 /// The indentation for subsequent variables when a for loop defines multiple | |
22 /// variables that wrap, like: | |
23 /// | |
24 /// for (var a = initializer, | |
25 /// b = another, | |
26 /// c = third; | |
27 /// a + b + c < 100; | |
28 /// a++) { | |
29 /// ... | |
30 /// } | |
31 static const loopVariable = 8; | |
32 } | 20 } |
33 | 21 |
34 /// The kind of pending whitespace that has been "written", but not actually | 22 /// The kind of pending whitespace that has been "written", but not actually |
35 /// physically output yet. | 23 /// physically output yet. |
36 /// | 24 /// |
37 /// We defer actually writing whitespace until a non-whitespace token is | 25 /// We defer actually writing whitespace until a non-whitespace token is |
38 /// encountered to avoid trailing whitespace. | 26 /// encountered to avoid trailing whitespace. |
39 class Whitespace { | 27 class Whitespace { |
40 /// No whitespace. | 28 /// No whitespace. |
41 static const none = const Whitespace._("none"); | 29 static const none = const Whitespace._("none"); |
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96 | 84 |
97 default: | 85 default: |
98 return 0; | 86 return 0; |
99 } | 87 } |
100 } | 88 } |
101 | 89 |
102 const Whitespace._(this.name); | 90 const Whitespace._(this.name); |
103 | 91 |
104 String toString() => name; | 92 String toString() => name; |
105 } | 93 } |
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