Add missing pnacl libraries and headers and tools.
[chromium-blink-merge.git] / base / strings / utf_string_conversions.h
blobec6a87f230a6c504571d401b727b030fdf8282ab
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/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 // We are trying to get rid of wstring as much as possible, but it's too big
43 // a mess to do it all at once. These conversions should be used when we
44 // really should just be passing a string16 around, but we haven't finished
45 // porting whatever module uses wstring and the conversion is being used as a
46 // stopcock. This makes it easy to grep for the ones that should be removed.
47 #if defined(OS_WIN)
48 # define WideToUTF16Hack
49 # define UTF16ToWideHack
50 #else
51 # define WideToUTF16Hack WideToUTF16
52 # define UTF16ToWideHack UTF16ToWide
53 #endif
55 // These convert an ASCII string, typically a hardcoded constant, to a
56 // UTF16/Wide string.
57 BASE_EXPORT std::wstring ASCIIToWide(const StringPiece& ascii);
58 BASE_EXPORT string16 ASCIIToUTF16(const StringPiece& ascii);
60 } // namespace base
62 // TODO(brettw) remove these when callers are fixed up.
63 using base::WideToUTF8;
64 using base::UTF8ToWide;
65 using base::WideToUTF16;
66 using base::UTF16ToWide;
67 using base::UTF8ToUTF16;
68 using base::UTF16ToUTF8;
69 using base::ASCIIToWide;
70 using base::ASCIIToUTF16;
72 #endif // BASE_STRINGS_UTF_STRING_CONVERSIONS_H_