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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef BASE_I18N_ICU_STRING_CONVERSIONS_H_ | |
| 6 #define BASE_I18N_ICU_STRING_CONVERSIONS_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/i18n/base_i18n_export.h" | |
| 11 #include "base/i18n/i18n_constants.h" | |
| 12 #include "base/strings/string16.h" | |
| 13 | |
| 14 namespace base { | |
| 15 | |
| 16 // Defines the error handling modes of UTF16ToCodepage and CodepageToUTF16. | |
| 17 class OnStringConversionError { | |
| 18 public: | |
| 19 enum Type { | |
| 20 // The function will return failure. The output buffer will be empty. | |
| 21 FAIL, | |
| 22 | |
| 23 // The offending characters are skipped and the conversion will proceed as | |
| 24 // if they did not exist. | |
| 25 SKIP, | |
| 26 | |
| 27 // When converting to Unicode, the offending byte sequences are substituted | |
| 28 // by Unicode replacement character (U+FFFD). When converting from Unicode, | |
| 29 // this is the same as SKIP. | |
| 30 SUBSTITUTE, | |
| 31 }; | |
| 32 | |
| 33 private: | |
| 34 OnStringConversionError(); | |
| 35 }; | |
| 36 | |
| 37 // Converts between UTF-16 strings and the encoding specified. If the | |
| 38 // encoding doesn't exist or the encoding fails (when on_error is FAIL), | |
| 39 // returns false. | |
| 40 BASE_I18N_EXPORT bool UTF16ToCodepage(const string16& utf16, | |
| 41 const char* codepage_name, | |
| 42 OnStringConversionError::Type on_error, | |
| 43 std::string* encoded); | |
| 44 BASE_I18N_EXPORT bool CodepageToUTF16(const std::string& encoded, | |
| 45 const char* codepage_name, | |
| 46 OnStringConversionError::Type on_error, | |
| 47 string16* utf16); | |
| 48 | |
| 49 // Converts from any codepage to UTF-8 and ensures the resulting UTF-8 is | |
| 50 // normalized. | |
| 51 BASE_I18N_EXPORT bool ConvertToUtf8AndNormalize(const std::string& text, | |
| 52 const std::string& charset, | |
| 53 std::string* result); | |
| 54 | |
| 55 } // namespace base | |
| 56 | |
| 57 #endif // BASE_I18N_ICU_STRING_CONVERSIONS_H_ | |
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