Use "= delete" for DISALLOW_COPY and DISALLOW_ASSIGN.
[chromium-blink-merge.git] / base / strings / utf_string_conversions.h
blob06a3bc64767791909dd6a3d0b454bda972812f73
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.
5 #ifndef BASE_STRINGS_UTF_STRING_CONVERSIONS_H_
6 #define BASE_STRINGS_UTF_STRING_CONVERSIONS_H_
8 #include <string>
10 #include "base/base_export.h"
11 #include "base/strings/string16.h"
12 #include "base/strings/string_piece.h"
14 namespace base {
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);
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);
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);
42 // This converts an ASCII string, typically a hardcoded constant, to a UTF16
43 // string.
44 BASE_EXPORT string16 ASCIIToUTF16(const StringPiece& ascii);
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);
50 } // namespace base
52 #endif // BASE_STRINGS_UTF_STRING_CONVERSIONS_H_