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_INCLUDE_UTF_UTIL_H_
14 #define WEBRTC_SYSTEM_WRAPPERS_INCLUDE_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
ToUtf16(const char * utf8,size_t len)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
ToUtf16(const std::string & str)33 inline std::wstring ToUtf16(const std::string& str) {
34 return ToUtf16(str.data(), str.length());
35 }
36
ToUtf8(const wchar_t * wide,size_t len)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
ToUtf8(const wchar_t * wide)46 inline std::string ToUtf8(const wchar_t* wide) {
47 return ToUtf8(wide, wcslen(wide));
48 }
49
ToUtf8(const std::wstring & wstr)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_INCLUDE_UTF_UTIL_H_
58