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1 /* | |
2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license | |
5 * that can be found in the LICENSE file in the root of the source | |
6 * tree. An additional intellectual property rights grant can be found | |
7 * in the file PATENTS. All contributing project authors may | |
8 * be found in the AUTHORS file in the root of the source tree. | |
9 */ | |
10 | |
11 // Conversion functions for UTF-8 and UTF-16 strings on Windows. | |
12 // Duplicated from talk/base/win32.h. | |
13 #ifndef WEBRTC_SYSTEM_WRAPPERS_INTERFACE_UTF_UTIL_H_ | |
14 #define WEBRTC_SYSTEM_WRAPPERS_INTERFACE_UTF_UTIL_H_ | |
15 | |
16 #ifdef WIN32 | |
17 #include <windows.h> | |
18 #include <string> | |
19 | |
20 #include "webrtc/base/scoped_ptr.h" | |
21 | |
22 namespace webrtc { | |
23 | |
24 inline std::wstring ToUtf16(const char* utf8, size_t len) { | |
25 int len16 = ::MultiByteToWideChar(CP_UTF8, 0, utf8, static_cast<int>(len), | |
26 NULL, 0); | |
27 rtc::scoped_ptr<wchar_t[]> ws(new wchar_t[len16]); | |
28 ::MultiByteToWideChar(CP_UTF8, 0, utf8, static_cast<int>(len), ws.get(), | |
29 len16); | |
30 return std::wstring(ws.get(), len16); | |
31 } | |
32 | |
33 inline std::wstring ToUtf16(const std::string& str) { | |
34 return ToUtf16(str.data(), str.length()); | |
35 } | |
36 | |
37 inline std::string ToUtf8(const wchar_t* wide, size_t len) { | |
38 int len8 = ::WideCharToMultiByte(CP_UTF8, 0, wide, static_cast<int>(len), | |
39 NULL, 0, NULL, NULL); | |
40 rtc::scoped_ptr<char[]> ns(new char[len8]); | |
41 ::WideCharToMultiByte(CP_UTF8, 0, wide, static_cast<int>(len), ns.get(), len8, | |
42 NULL, NULL); | |
43 return std::string(ns.get(), len8); | |
44 } | |
45 | |
46 inline std::string ToUtf8(const wchar_t* wide) { | |
47 return ToUtf8(wide, wcslen(wide)); | |
48 } | |
49 | |
50 inline std::string ToUtf8(const std::wstring& wstr) { | |
51 return ToUtf8(wstr.data(), wstr.length()); | |
52 } | |
53 | |
54 } // namespace webrtc | |
55 | |
56 #endif // WIN32 | |
57 #endif // WEBRTC_SYSTEM_WRAPPERS_INTERFACE_UTF_UTIL_H_ | |
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