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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_UTF_STRING_CONVERSIONS_H_ | 5 #ifndef BASE_UTF_STRING_CONVERSIONS_H_ |
6 #define BASE_UTF_STRING_CONVERSIONS_H_ | 6 #define BASE_UTF_STRING_CONVERSIONS_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <string> | 9 #include <string> |
10 | 10 |
11 #include "base/base_api.h" | 11 #include "base/base_export.h" |
12 #include "base/string16.h" | 12 #include "base/string16.h" |
13 #include "base/string_piece.h" | 13 #include "base/string_piece.h" |
14 | 14 |
15 // These convert between UTF-8, -16, and -32 strings. They are potentially slow, | 15 // These convert between UTF-8, -16, and -32 strings. They are potentially slow, |
16 // so avoid unnecessary conversions. The low-level versions return a boolean | 16 // so avoid unnecessary conversions. The low-level versions return a boolean |
17 // indicating whether the conversion was 100% valid. In this case, it will still | 17 // indicating whether the conversion was 100% valid. In this case, it will still |
18 // do the best it can and put the result in the output buffer. The versions that | 18 // do the best it can and put the result in the output buffer. The versions that |
19 // return strings ignore this error and just return the best conversion | 19 // return strings ignore this error and just return the best conversion |
20 // possible. | 20 // possible. |
21 BASE_API bool WideToUTF8(const wchar_t* src, size_t src_len, | 21 BASE_EXPORT bool WideToUTF8(const wchar_t* src, size_t src_len, |
22 std::string* output); | 22 std::string* output); |
23 BASE_API std::string WideToUTF8(const std::wstring& wide); | 23 BASE_EXPORT std::string WideToUTF8(const std::wstring& wide); |
24 BASE_API bool UTF8ToWide(const char* src, size_t src_len, std::wstring* output); | 24 BASE_EXPORT bool UTF8ToWide(const char* src, size_t src_len, |
25 BASE_API std::wstring UTF8ToWide(const base::StringPiece& utf8); | 25 std::wstring* output); |
| 26 BASE_EXPORT std::wstring UTF8ToWide(const base::StringPiece& utf8); |
26 | 27 |
27 BASE_API bool WideToUTF16(const wchar_t* src, size_t src_len, string16* output); | 28 BASE_EXPORT bool WideToUTF16(const wchar_t* src, size_t src_len, |
28 BASE_API string16 WideToUTF16(const std::wstring& wide); | 29 string16* output); |
29 BASE_API bool UTF16ToWide(const char16* src, size_t src_len, | 30 BASE_EXPORT string16 WideToUTF16(const std::wstring& wide); |
30 std::wstring* output); | 31 BASE_EXPORT bool UTF16ToWide(const char16* src, size_t src_len, |
31 BASE_API std::wstring UTF16ToWide(const string16& utf16); | 32 std::wstring* output); |
| 33 BASE_EXPORT std::wstring UTF16ToWide(const string16& utf16); |
32 | 34 |
33 BASE_API bool UTF8ToUTF16(const char* src, size_t src_len, string16* output); | 35 BASE_EXPORT bool UTF8ToUTF16(const char* src, size_t src_len, string16* output); |
34 BASE_API string16 UTF8ToUTF16(const base::StringPiece& utf8); | 36 BASE_EXPORT string16 UTF8ToUTF16(const base::StringPiece& utf8); |
35 BASE_API bool UTF16ToUTF8(const char16* src, size_t src_len, | 37 BASE_EXPORT bool UTF16ToUTF8(const char16* src, size_t src_len, |
36 std::string* output); | 38 std::string* output); |
37 BASE_API std::string UTF16ToUTF8(const string16& utf16); | 39 BASE_EXPORT std::string UTF16ToUTF8(const string16& utf16); |
38 | 40 |
39 // We are trying to get rid of wstring as much as possible, but it's too big | 41 // We are trying to get rid of wstring as much as possible, but it's too big |
40 // a mess to do it all at once. These conversions should be used when we | 42 // a mess to do it all at once. These conversions should be used when we |
41 // really should just be passing a string16 around, but we haven't finished | 43 // really should just be passing a string16 around, but we haven't finished |
42 // porting whatever module uses wstring and the conversion is being used as a | 44 // porting whatever module uses wstring and the conversion is being used as a |
43 // stopcock. This makes it easy to grep for the ones that should be removed. | 45 // stopcock. This makes it easy to grep for the ones that should be removed. |
44 #if defined(OS_WIN) | 46 #if defined(OS_WIN) |
45 # define WideToUTF16Hack | 47 # define WideToUTF16Hack |
46 # define UTF16ToWideHack | 48 # define UTF16ToWideHack |
47 #else | 49 #else |
48 # define WideToUTF16Hack WideToUTF16 | 50 # define WideToUTF16Hack WideToUTF16 |
49 # define UTF16ToWideHack UTF16ToWide | 51 # define UTF16ToWideHack UTF16ToWide |
50 #endif | 52 #endif |
51 | 53 |
52 // These convert an ASCII string, typically a hardcoded constant, to a | 54 // These convert an ASCII string, typically a hardcoded constant, to a |
53 // UTF16/Wide string. | 55 // UTF16/Wide string. |
54 BASE_API std::wstring ASCIIToWide(const base::StringPiece& ascii); | 56 BASE_EXPORT std::wstring ASCIIToWide(const base::StringPiece& ascii); |
55 BASE_API string16 ASCIIToUTF16(const base::StringPiece& ascii); | 57 BASE_EXPORT string16 ASCIIToUTF16(const base::StringPiece& ascii); |
56 | 58 |
57 #endif // BASE_UTF_STRING_CONVERSIONS_H_ | 59 #endif // BASE_UTF_STRING_CONVERSIONS_H_ |
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