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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_I18N_RTL_H_ | 5 #ifndef BASE_I18N_RTL_H_ |
6 #define BASE_I18N_RTL_H_ | 6 #define BASE_I18N_RTL_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/compiler_specific.h" | 10 #include "base/compiler_specific.h" |
11 #include "base/i18n/base_i18n_export.h" | 11 #include "base/i18n/base_i18n_export.h" |
12 #include "base/strings/string16.h" | 12 #include "base/strings/string16.h" |
13 #include "build/build_config.h" | 13 #include "build/build_config.h" |
14 | 14 |
15 namespace icu { | |
tfarina
2014/09/08 02:35:20
forward declaring this namespace does not work in
| |
16 class Locale; | |
17 } | |
18 | |
15 namespace base { | 19 namespace base { |
16 | 20 |
17 class FilePath; | 21 class FilePath; |
18 | 22 |
19 namespace i18n { | 23 namespace i18n { |
20 | 24 |
21 const char16 kRightToLeftMark = 0x200F; | 25 const char16 kRightToLeftMark = 0x200F; |
22 const char16 kLeftToRightMark = 0x200E; | 26 const char16 kLeftToRightMark = 0x200E; |
23 const char16 kLeftToRightEmbeddingMark = 0x202A; | 27 const char16 kLeftToRightEmbeddingMark = 0x202A; |
24 const char16 kRightToLeftEmbeddingMark = 0x202B; | 28 const char16 kRightToLeftEmbeddingMark = 0x202B; |
25 const char16 kPopDirectionalFormatting = 0x202C; | 29 const char16 kPopDirectionalFormatting = 0x202C; |
26 const char16 kLeftToRightOverride = 0x202D; | 30 const char16 kLeftToRightOverride = 0x202D; |
27 const char16 kRightToLeftOverride = 0x202E; | 31 const char16 kRightToLeftOverride = 0x202E; |
28 | 32 |
29 // Locale.java mirrored this enum TextDirection. Please keep in sync. | 33 // Locale.java mirrored this enum TextDirection. Please keep in sync. |
30 enum TextDirection { | 34 enum TextDirection { |
31 UNKNOWN_DIRECTION = 0, | 35 UNKNOWN_DIRECTION = 0, |
32 RIGHT_TO_LEFT = 1, | 36 RIGHT_TO_LEFT = 1, |
33 LEFT_TO_RIGHT = 2, | 37 LEFT_TO_RIGHT = 2, |
34 TEXT_DIRECTION_NUM_DIRECTIONS = 3, | 38 TEXT_DIRECTION_NUM_DIRECTIONS = 3, |
35 }; | 39 }; |
36 | 40 |
41 // Extract language, country and variant, but ignore keywords. For example, | |
42 // en-US, ca@valencia, ca-ES@valencia. | |
43 BASE_I18N_EXPORT std::string GetLocaleString(const icu::Locale& locale); | |
44 | |
37 // Get the locale that the currently running process has been configured to use. | 45 // Get the locale that the currently running process has been configured to use. |
38 // The return value is of the form language[-country] (e.g., en-US) where the | 46 // The return value is of the form language[-country] (e.g., en-US) where the |
39 // language is the 2 or 3 letter code from ISO-639. | 47 // language is the 2 or 3 letter code from ISO-639. |
40 BASE_I18N_EXPORT std::string GetConfiguredLocale(); | 48 BASE_I18N_EXPORT std::string GetConfiguredLocale(); |
41 | 49 |
42 // Canonicalize a string (eg. a POSIX locale string) to a Chrome locale name. | |
43 BASE_I18N_EXPORT std::string GetCanonicalLocale(const char* locale); | |
44 | |
45 // Sets the default locale of ICU. | 50 // Sets the default locale of ICU. |
46 // Once the application locale of Chrome in GetApplicationLocale is determined, | 51 // Once the application locale of Chrome in GetApplicationLocale is determined, |
47 // the default locale of ICU need to be changed to match the application locale | 52 // the default locale of ICU need to be changed to match the application locale |
48 // so that ICU functions work correctly in a locale-dependent manner. | 53 // so that ICU functions work correctly in a locale-dependent manner. |
49 // This is handy in that we don't have to call GetApplicationLocale() | 54 // This is handy in that we don't have to call GetApplicationLocale() |
50 // everytime we call locale-dependent ICU APIs as long as we make sure | 55 // everytime we call locale-dependent ICU APIs as long as we make sure |
51 // that this is called before any locale-dependent API is called. | 56 // that this is called before any locale-dependent API is called. |
52 BASE_I18N_EXPORT void SetICUDefaultLocale(const std::string& locale_string); | 57 BASE_I18N_EXPORT void SetICUDefaultLocale(const std::string& locale_string); |
53 | 58 |
54 // Returns true if the application text direction is right-to-left. | 59 // Returns true if the application text direction is right-to-left. |
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140 // return the text itself. Explicit bidi control characters display and have | 145 // return the text itself. Explicit bidi control characters display and have |
141 // semantic effect. They can be deleted so they might not always appear in a | 146 // semantic effect. They can be deleted so they might not always appear in a |
142 // pair. | 147 // pair. |
143 BASE_I18N_EXPORT string16 StripWrappingBidiControlCharacters( | 148 BASE_I18N_EXPORT string16 StripWrappingBidiControlCharacters( |
144 const string16& text) WARN_UNUSED_RESULT; | 149 const string16& text) WARN_UNUSED_RESULT; |
145 | 150 |
146 } // namespace i18n | 151 } // namespace i18n |
147 } // namespace base | 152 } // namespace base |
148 | 153 |
149 #endif // BASE_I18N_RTL_H_ | 154 #endif // BASE_I18N_RTL_H_ |
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