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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef BASE_VLOG_H_ | 5 #ifndef BASE_VLOG_H_ |
6 #define BASE_VLOG_H_ | 6 #define BASE_VLOG_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <cstddef> | 9 #include <cstddef> |
10 #include <string> | 10 #include <string> |
11 #include <vector> | 11 #include <vector> |
12 | 12 |
13 #include "base/base_api.h" | 13 #include "base/base_export.h" |
14 #include "base/basictypes.h" | 14 #include "base/basictypes.h" |
15 #include "base/string_piece.h" | 15 #include "base/string_piece.h" |
16 | 16 |
17 namespace logging { | 17 namespace logging { |
18 | 18 |
19 // A helper class containing all the settings for vlogging. | 19 // A helper class containing all the settings for vlogging. |
20 class BASE_API VlogInfo { | 20 class BASE_EXPORT VlogInfo { |
21 public: | 21 public: |
22 static const int kDefaultVlogLevel; | 22 static const int kDefaultVlogLevel; |
23 | 23 |
24 // |v_switch| gives the default maximal active V-logging level; 0 is | 24 // |v_switch| gives the default maximal active V-logging level; 0 is |
25 // the default. Normally positive values are used for V-logging | 25 // the default. Normally positive values are used for V-logging |
26 // levels. | 26 // levels. |
27 // | 27 // |
28 // |vmodule_switch| gives the per-module maximal V-logging levels to | 28 // |vmodule_switch| gives the per-module maximal V-logging levels to |
29 // override the value given by |v_switch|. | 29 // override the value given by |v_switch|. |
30 // E.g. "my_module=2,foo*=3" would change the logging level for all | 30 // E.g. "my_module=2,foo*=3" would change the logging level for all |
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64 // Returns true if the string passed in matches the vlog pattern. The | 64 // Returns true if the string passed in matches the vlog pattern. The |
65 // vlog pattern string can contain wildcards like * and ?. ? matches | 65 // vlog pattern string can contain wildcards like * and ?. ? matches |
66 // exactly one character while * matches 0 or more characters. Also, | 66 // exactly one character while * matches 0 or more characters. Also, |
67 // as a special case, a / or \ character matches either / or \. | 67 // as a special case, a / or \ character matches either / or \. |
68 // | 68 // |
69 // Examples: | 69 // Examples: |
70 // "kh?n" matches "khan" but not "khn" or "khaan" | 70 // "kh?n" matches "khan" but not "khn" or "khaan" |
71 // "kh*n" matches "khn", "khan", or even "khaaaaan" | 71 // "kh*n" matches "khn", "khan", or even "khaaaaan" |
72 // "/foo\bar" matches "/foo/bar", "\foo\bar", or "/foo\bar" | 72 // "/foo\bar" matches "/foo/bar", "\foo\bar", or "/foo\bar" |
73 // (disregarding C escaping rules) | 73 // (disregarding C escaping rules) |
74 BASE_API bool MatchVlogPattern(const base::StringPiece& string, | 74 BASE_EXPORT bool MatchVlogPattern(const base::StringPiece& string, |
75 const base::StringPiece& vlog_pattern); | 75 const base::StringPiece& vlog_pattern); |
76 | 76 |
77 } // namespace logging | 77 } // namespace logging |
78 | 78 |
79 #endif // BASE_VLOG_H_ | 79 #endif // BASE_VLOG_H_ |
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