OLD | NEW |
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_STRINGS_UTF_STRING_CONVERSIONS_H_ | 5 #ifndef BASE_STRINGS_UTF_STRING_CONVERSIONS_H_ |
6 #define BASE_STRINGS_UTF_STRING_CONVERSIONS_H_ | 6 #define BASE_STRINGS_UTF_STRING_CONVERSIONS_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/base_export.h" | 10 #include "base/base_export.h" |
11 #include "base/strings/string16.h" | 11 #include "base/strings/string16.h" |
12 #include "base/strings/string_piece.h" | 12 #include "base/strings/string_piece.h" |
13 | 13 |
14 namespace base { | 14 namespace base { |
15 | 15 |
16 // These convert between UTF-8, -16, and -32 strings. They are potentially slow, | 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 | 17 // so avoid unnecessary conversions. The low-level versions return a boolean |
18 // indicating whether the conversion was 100% valid. In case the conversion is | 18 // indicating whether the conversion was 100% valid. In this case, it will still |
19 // not 100% valid, these functions will still do the best they can and put the | 19 // do the best it can and put the result in the output buffer. The versions that |
20 // result in the output buffer. The versions that return strings ignore this | 20 // return strings ignore this error and just return the best conversion |
21 // error and just return the best conversion possible. | 21 // possible. |
22 BASE_EXPORT bool WideToUTF8(const wchar_t* src, size_t src_len, | 22 BASE_EXPORT bool WideToUTF8(const wchar_t* src, size_t src_len, |
23 std::string* output); | 23 std::string* output); |
24 BASE_EXPORT std::string WideToUTF8(const std::wstring& wide); | 24 BASE_EXPORT std::string WideToUTF8(const std::wstring& wide); |
25 BASE_EXPORT bool UTF8ToWide(const char* src, size_t src_len, | 25 BASE_EXPORT bool UTF8ToWide(const char* src, size_t src_len, |
26 std::wstring* output); | 26 std::wstring* output); |
27 BASE_EXPORT std::wstring UTF8ToWide(const StringPiece& utf8); | 27 BASE_EXPORT std::wstring UTF8ToWide(const StringPiece& utf8); |
28 | 28 |
29 BASE_EXPORT bool WideToUTF16(const wchar_t* src, size_t src_len, | 29 BASE_EXPORT bool WideToUTF16(const wchar_t* src, size_t src_len, |
30 string16* output); | 30 string16* output); |
31 BASE_EXPORT string16 WideToUTF16(const std::wstring& wide); | 31 BASE_EXPORT string16 WideToUTF16(const std::wstring& wide); |
32 BASE_EXPORT bool UTF16ToWide(const char16* src, size_t src_len, | 32 BASE_EXPORT bool UTF16ToWide(const char16* src, size_t src_len, |
33 std::wstring* output); | 33 std::wstring* output); |
34 BASE_EXPORT std::wstring UTF16ToWide(const string16& utf16); | 34 BASE_EXPORT std::wstring UTF16ToWide(const string16& utf16); |
35 | 35 |
36 BASE_EXPORT bool UTF8ToUTF16(const char* src, size_t src_len, string16* output); | 36 BASE_EXPORT bool UTF8ToUTF16(const char* src, size_t src_len, string16* output); |
37 BASE_EXPORT string16 UTF8ToUTF16(const StringPiece& utf8); | 37 BASE_EXPORT string16 UTF8ToUTF16(const StringPiece& utf8); |
38 BASE_EXPORT bool UTF16ToUTF8(const char16* src, size_t src_len, | 38 BASE_EXPORT bool UTF16ToUTF8(const char16* src, size_t src_len, |
39 std::string* output); | 39 std::string* output); |
40 BASE_EXPORT std::string UTF16ToUTF8(const string16& utf16); | 40 BASE_EXPORT std::string UTF16ToUTF8(const string16& utf16); |
41 | 41 |
42 // This converts an ASCII string, typically a hardcoded constant, to a UTF-16 | 42 // This converts an ASCII string, typically a hardcoded constant, to a UTF16 |
43 // string. | 43 // string. |
44 BASE_EXPORT string16 ASCIIToUTF16(const StringPiece& ascii); | 44 BASE_EXPORT string16 ASCIIToUTF16(const StringPiece& ascii); |
45 | 45 |
46 // Converts to 7-bit ASCII by truncating. The result must be known to be ASCII | 46 // Converts to 7-bit ASCII by truncating. The result must be known to be ASCII |
47 // beforehand. | 47 // beforehand. |
48 BASE_EXPORT std::string UTF16ToASCII(const string16& utf16); | 48 BASE_EXPORT std::string UTF16ToASCII(const string16& utf16); |
49 | 49 |
50 } // namespace base | 50 } // namespace base |
51 | 51 |
52 #endif // BASE_STRINGS_UTF_STRING_CONVERSIONS_H_ | 52 #endif // BASE_STRINGS_UTF_STRING_CONVERSIONS_H_ |
OLD | NEW |