xbmc/platform/win32/CharsetConverter.cpp

   1 /*
   2  *  Copyright (C) 2005-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #include "CharsetConverter.h"
  10
  11 #include <memory>
  12 namespace KODI
  13 {
  14 namespace PLATFORM
  15 {
  16 namespace WINDOWS
  17 {
  18 std::string FromW(const wchar_t* str, size_t length)
  19 {
  20   int result = WideCharToMultiByte(CP_UTF8, WC_ERR_INVALID_CHARS, str, length, nullptr, 0, nullptr, nullptr);
  21   if (result == 0)
  22     return std::string();
  23
  24   auto newStr = std::make_unique<char[]>(result);
  25   result = WideCharToMultiByte(CP_UTF8, WC_ERR_INVALID_CHARS, str, length, newStr.get(), result, nullptr, nullptr);
  26   if (result == 0)
  27     return std::string();
  28
  29   return std::string(newStr.get(), result);
  30 }
  31
  32 std::string FromW(const std::wstring& str)
  33 {
  34   return FromW(str.c_str(), str.length());
  35 }
  36
  37 std::wstring ToW(const char* str, size_t length)
  38 {
  39   int result = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, str, length, nullptr, 0);
  40   if (result == 0)
  41     return std::wstring();
  42
  43   auto newStr = std::make_unique<wchar_t[]>(result);
  44   result = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, str, length, newStr.get(), result);
  45
  46   if (result == 0)
  47     return std::wstring();
  48
  49   return std::wstring(newStr.get(), result);
  50 }
  51
  52 std::wstring ToW(const std::string& str)
  53 {
  54   return ToW(str.c_str(), str.length());
  55 }
  56
  57 }
  58 }
  59 }