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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_STRINGS_UTF_STRING_CONVERSIONS_H_ | |
| 6 #define BASE_STRINGS_UTF_STRING_CONVERSIONS_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/base_export.h" | |
| 11 #include "base/strings/string16.h" | |
| 12 #include "base/strings/string_piece.h" | |
| 13 | |
| 14 namespace base { | |
| 15 | |
| 16 // These convert between UTF-8, -16, and -32 strings. They are potentially slow, | |
| 17 // so avoid unnecessary conversions. The low-level versions return a boolean | |
| 18 // indicating whether the conversion was 100% valid. In this case, it will still | |
| 19 // do the best it can and put the result in the output buffer. The versions that | |
| 20 // return strings ignore this error and just return the best conversion | |
| 21 // possible. | |
| 22 BASE_EXPORT bool WideToUTF8(const wchar_t* src, size_t src_len, | |
| 23 std::string* output); | |
| 24 BASE_EXPORT std::string WideToUTF8(const std::wstring& wide); | |
| 25 BASE_EXPORT bool UTF8ToWide(const char* src, size_t src_len, | |
| 26 std::wstring* output); | |
| 27 BASE_EXPORT std::wstring UTF8ToWide(const StringPiece& utf8); | |
| 28 | |
| 29 BASE_EXPORT bool WideToUTF16(const wchar_t* src, size_t src_len, | |
| 30 string16* output); | |
| 31 BASE_EXPORT string16 WideToUTF16(const std::wstring& wide); | |
| 32 BASE_EXPORT bool UTF16ToWide(const char16* src, size_t src_len, | |
| 33 std::wstring* output); | |
| 34 BASE_EXPORT std::wstring UTF16ToWide(const string16& utf16); | |
| 35 | |
| 36 BASE_EXPORT bool UTF8ToUTF16(const char* src, size_t src_len, string16* output); | |
| 37 BASE_EXPORT string16 UTF8ToUTF16(const StringPiece& utf8); | |
| 38 BASE_EXPORT bool UTF16ToUTF8(const char16* src, size_t src_len, | |
| 39 std::string* output); | |
| 40 BASE_EXPORT std::string UTF16ToUTF8(const string16& utf16); | |
| 41 | |
| 42 // This converts an ASCII string, typically a hardcoded constant, to a UTF16 | |
| 43 // string. | |
| 44 BASE_EXPORT string16 ASCIIToUTF16(const StringPiece& ascii); | |
| 45 | |
| 46 // Converts to 7-bit ASCII by truncating. The result must be known to be ASCII | |
| 47 // beforehand. | |
| 48 BASE_EXPORT std::string UTF16ToASCII(const string16& utf16); | |
| 49 | |
| 50 } // namespace base | |
| 51 | |
| 52 #endif // BASE_STRINGS_UTF_STRING_CONVERSIONS_H_ | |
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