Function to_wpath

OgreMain/src/OgreFileSystem.cpp:114–129

    //-----------------------------------------------------------------------
#if OGRE_PLATFORM == OGRE_PLATFORM_WIN32 || OGRE_PLATFORM == OGRE_PLATFORM_WINRT
    std::wstring to_wpath( const String &text, unsigned codepage = CP_UTF8 )
    {
        const int utf16Length =
            ::MultiByteToWideChar( codepage, 0, text.c_str(), (int)text.size(), NULL, 0 );
        if( utf16Length > 0 )
        {
            std::wstring wt;
            wt.resize( utf16Length );
            if( 0 != ::MultiByteToWideChar( codepage, 0, text.c_str(), (int)text.size(), &wt[0],
                                            (int)wt.size() ) )
            {
                return wt;
            }
        }
        return L"";
    }
    String from_wpath( const std::wstring &text, unsigned codepage = CP_UTF8 )
    {
        const int length =