C++ TSTRING类代码示例

bool OverwriteDlg::_SetStaticText(Window &Wnd, CTSTRING &tsFileName) {

  bool r = false;
  FILESIZE fs;

  if (FileGetSize(tsFileName, fs)) {

    FILETIMES ft;

    if (FileGetTime(tsFileName, ft)) {

     /*
      * Set the text of the static control as follows:
      *
      * [size in bytes] [formatted size]
      * [created date]
      * [modified date]
      */
      TSTRING tsTemp;
      TSTRING tsFormatBytes = _GetNumberFormat(fs.ui64Bytes);                    

      sprintf(tsTemp, _T("%s Bytes (%s)\nCreated: %s\nModified: %s"),
              tsFormatBytes.c_str(), fs.tsStrFmt.c_str(),
              ft.tsLongCreated.c_str(), ft.tsLongModified.c_str());

      Wnd.SetWindowText(tsTemp);
      r = true;

    }

  }

  return r;
}

	TSTRING Replace( const TSTRING& orignStr, const TSTRING& oldStr, const vector<TSTRING>&vc )
	{
		size_t pos = 0; 
		TSTRING tempStr = orignStr; 
		TSTRING::size_type newStrLen; 
		TSTRING::size_type oldStrLen = oldStr.length();
		int i=0;

		while(true) 
		{ 
			pos = tempStr.find(oldStr, pos); 
			if (pos == TSTRING::npos) break; 
			TSTRING s=vc.at(i);
			s = _T("\'")+s +_T("\'");
			newStrLen= s.length(); 

			tempStr.replace(pos, oldStrLen, s);         
			pos += newStrLen;
			i++;

		} 

		return tempStr; 

	}

void MakeFile( TSTRING& strNameMakeMe )
{
    try
    {
        iFSServices* pFSServices = iFSServices::GetInstance(); ASSERT( pFSServices );
        pFSServices->MakeTempFilename( strNameMakeMe );

        std::string strA;
        for( TSTRING::iterator i = strNameMakeMe.begin(); i != strNameMakeMe.end(); i++ )
        {
            char ach[6];
            ASSERT( MB_CUR_MAX <= 6 );

            int n = wctomb( ach, *i );
            ASSERT( n != -1 );
            
            for( int j = 0; j < n; j++ )
                strA += ach[j];
        }

        TOFSTREAM file( strA.c_str() );
        ASSERT( file );
        file.close();
    }
    catch( eFSServices e )
    {
        ASSERT( false );
    }
    catch( ... )
    {
        ASSERT( false );
    }
}

bool cUnixFSServices::GetExecutableFilename(TSTRING& strFullPath, const TSTRING& strFilename) const
{
    bool fGotName = false;

    if (strFilename.empty())
        return false;

    // if there is a slash in the filename, it's absolute or relative to cwd
    if (TSTRING::npos != strFilename.find(_T('/')))
    {
        // if absolute path
        if (strFilename[0] == _T('/'))
        {
            strFullPath = strFilename;
            fGotName    = true;
        }
        else // is relative path; find path from cwd
        {
            fGotName = FullPath(strFullPath, strFilename);
        }
    }
    else // it's just a filename: should be found in path
    {
        fGotName = util_PathFind(strFullPath, strFilename);

        TSTRING strFP;
        if (fGotName && FullPath(strFP, strFullPath))
            strFullPath = strFP;
    }

    return (fGotName);
}

 Handle<Value> Statement::GetFieldValueByIndex(const Arguments& args)
 {
	 Statement* pStatement = ObjectWrap::Unwrap<Statement>(args.This());
	 HandleScope scope;
	 int index = args[0]->Int32Value();
	 Sqlite3_XX::VARIANT var = pStatement->pRecord->GetFieldValue(index);
	 if (var.vt == Sqlite3_XX::VT_BSTR)
	 {
		 TSTRING value = var.bstrVal;
#ifdef OS_WIN32
		 return scope.Close(String::New(encodeConv::CodingConv::Unicode2Utf8(value.c_str()).c_str()));

#elif defined OS_LINUX
		  return scope.Close(String::New(value.c_str()));
#endif

	 }
	 else if (var.vt == Sqlite3_XX::VT_I4)
	 {
		 return scope.Close(Integer::New(var.intVal));
	 }
	 else if (var.vt == Sqlite3_XX::VT_R8)
	 {
		  return scope.Close(Number::New(var.dblVal));
	 }
	return Undefined();
	
 }

bool cEncoder::AllTestsRunOnEncodedString( const TSTRING& s ) const
{
    TSTRING::const_iterator         cur = s.begin();  // pointer to working position in s
    const TSTRING::const_iterator   end = s.end();    // end of s
    TSTRING::const_iterator         first = end;          // identifies beginning of current character
    TSTRING::const_iterator         last  = end;          // identifies end of current character
    

    // while get next char (updates cur)
    while( cCharUtil::PopNextChar( cur, end, first, last ) )
    {
        sack_type::const_iterator atE;
        for( atE = m_encodings.begin(); 
             atE != m_encodings.end(); 
             atE++ )
        {
            if( (*atE)->NeedsEncoding( first, last ) )
            {
                return false;
            }
        }
    }

    return true;
}

	/// <summary>
	/// <para name='Name'>SLog::getDateTimeString</para>
	/// <para name='Purpose'>Return a formatted date time string</para>
	/// </summary>
	/// <param name='logFormat'>indicate whether to return the date time string in log format or decoration format</param>
	/// <returns>a formatted date/time string</returns>
	/// <remarks>
	/// <para name='Notes'></para>
	/// <para name='Author'>Kenn Guilstorf</para>
	/// <para name='LastModified'>2015-10-26</para>
	/// </remarks>
	TSTRING SLog::getDateTimeString(bool logFormat)
	{
		TSTRING retValue;
		TSTRING strFormat;
		TCHAR* chBuffer = new TCHAR[50];
		SYSTEMTIME st;

		if (logFormat)
		{
			strFormat = TSTRING(_T("%04d-%02d-%02d %02d:%02d:%02d.%03d | "));
		}
		else
		{
			strFormat = TSTRING(_T(".%04d%02d%02d.%02d%02d%02d%03d"));
		}

		GetLocalTime(&st);

		SPRINTF(chBuffer,
			50,
			strFormat.c_str(),
			(int)st.wYear, 
			(int)st.wMonth, 
			(int)st.wDay, 
			(int)st.wHour, 
			(int)st.wMinute, 
			(int)st.wSecond, 
			(int)st.wMilliseconds);
		
		retValue = TSTRING(chBuffer);

		return retValue;
	}

//////////////////////////////////////////////////////////////////////////////////
// Function name    : util_RemoveLastPathElement
// Description      :
//      effectively pops off a path element from the end, except for the root dir, where it does nothing
//      it removes any slashes before and after the element
//      ///root//foo/    -> leaves "///root" ("foo"  is strElem)
//      ///root          -> leaves ""        ("root" is strElem)
//      //               -> leaves ""        (""     is strElem)
//
// Return type      : void
// Argument         :  TSTRING& strPath
// Argument         : TSTRING& strElem
/////////////////////////////////////////////////////////////////////////////////
void util_RemoveLastPathElement(TSTRING& strPath, TSTRING& strElem)
{

    // remove all trailing separators
    util_RemoveTrailingSeps(strPath);

    // find the last separator
    TSTRING::size_type lastSep = strPath.rfind(TW_SLASH);

    // if separator was found, take all chars after it
    if (lastSep != TSTRING::npos)
    {
        strElem = strPath.substr(lastSep + 1);
        strPath.resize(lastSep + 1);
    }
    else // no seps in name, take whole string
    {
        // last element
        strElem = strPath;
        strPath.erase();
    }

    // remove all trailing separators
    util_RemoveTrailingSeps(strPath);
}

////////////////////////////////////////////////////////////////////////////////
// Function name    : util_RemoveDuplicateSeps
// Description      :
// takes all adjacent slashes and replaces them with a single slash
//      ///root//foo -> /root/foo
//      rel//foo///  -> rel/foo/
//
// Return type      : void
// Argument         : TSTRING& strPath
///////////////////////////////////////////////////////////////////////////////
void util_RemoveDuplicateSeps(TSTRING& strPath)
{
    bool              fLastCharWasSep = false;
    TSTRING::iterator iter            = strPath.begin();
    while (iter != strPath.end())
    {
        bool fErasedChar = false;
        // if we've found a char that's not '/', then it's not the root
        if (*iter == TW_SLASH)
        {
            // if this char is a duplicate sep, erase it
            if (fLastCharWasSep)
            {
                iter        = strPath.erase(iter);
                fErasedChar = true;
            }

            fLastCharWasSep = true;
        }
        else
        {
            fLastCharWasSep = false;
        }

        // don't go past end of string (could happen with erase)
        if (!fErasedChar)
            iter++;
    }
}

///////////////////////////////////////////////////////////////////////////////
// LookupArgInfo
///////////////////////////////////////////////////////////////////////////////
bool cCmdLineParser::LookupArgInfo(int argId, TSTRING& arg, TSTRING& alias) const
{
    arg     = _T("");
    alias   = _T("");

    cHashTableIter<TSTRING, cArgInfo> iter(mArgTable);
    for(iter.SeekBegin(); ! iter.Done(); iter.Next())
    {
        if(iter.Val().mId == argId)
        {
            TSTRING str = iter.Key();
            if((str.length() > 0) && (str[0] == _T('-')))
            {
                // this is the alias!
                alias = (str.c_str() + 1);
            }
            else
            {
                // this is the arg...
                arg = str;
            }
        }
    }
    return ((! arg.empty()) || (! alias.empty()));
}

void CameraControlsDlg::_DoZeroAccumulator(void) {

  TSTRING tsMsg;

  sprintf(tsMsg, _T("Are you sure you want")
          _T(" to zero the step accumulator and")
          _T(" global frame count?\n\n")
          _T("Frame count is currently: %d\n"),
          *m_pdwFrameCount);

  if (IDYES == MessageBox(m_hWnd, tsMsg.c_str(),
                          _T("FURR - Confirm Accumulator Reset"),
                          MB_YESNO | MB_ICONQUESTION))
  {

    if (!m_AMSComm.Camera_ResetAccumulator()) {

      _ThrowAMSError();

    } else {

      *m_pdwFrameCount = 0UL;
      m_pParent->Output(FURR_OT_INFORMATION, _T("CameraControls:")
                        _T("Set step accumulator and frame count to zero"));

    }

  }

}

///////////////////////////////////////////////////////////////////////////////
// DisplayStringToFCOName
///////////////////////////////////////////////////////////////////////////////
bool cFSNameTranslator::DisplayStringToFCOName( const TSTRING& strC, cFCOName& name ) const
{ 
    TSTRING str = strC;    
    const TCHAR dq = _T('\"');

    // do a little error checking.  must have at least '""'
    if( str.size() < 1 )
        return false;
    if( dq != str[0] )
        return false;
    if( dq != str[str.size() - 1] )
        return false;

    // get rid of beginning and trailing quote
	str = str.substr( 1, str.size() - 2 );

    //
    // undo funky wide char encoding
    //
    cDisplayEncoder e( cDisplayEncoder::ROUNDTRIP );
    if( ! e.Decode( str ) )
        return false;

    // give to cFCOName
    name = str;

    return true;
}

///////////////////////////////////////////////////////////////////////////////
// IsObjectEncrypted
///////////////////////////////////////////////////////////////////////////////
bool cTWUtil::IsObjectEncrypted(const TCHAR* objFileName, const cFileHeaderID& fhid, const TSTRING& errorMsg)
{
    bool   fEncrypted = false;
    cDebug d("IsObjectEncrypted");
    d.TraceDebug(_T("Reading from file %s\n"), objFileName);

    try
    {
        cFileArchive arch;
        arch.OpenRead(objFileName);

        cFileHeader     fileHeader;
        cSerializerImpl fhSer(arch, cSerializerImpl::S_READ, objFileName);
        fileHeader.Read(&fhSer);

        // check for a mismatched header
        if (fileHeader.GetID() != fhid)
            ThrowAndAssert(eSerializerInputStreamFmt(_T(""), objFileName, eSerializer::TY_FILE));

        // switch on the type of encoding...
        if (fileHeader.GetEncoding() == cFileHeader::ASYM_ENCRYPTION)
        {
            fEncrypted = true;
        }
        else if (fileHeader.GetEncoding() == cFileHeader::COMPRESSED)
        {
            fEncrypted = false;
        }
        else
            // unknown encoding...
            ThrowAndAssert(eSerializerInputStreamFmt(_T(""), objFileName, eSerializer::TY_FILE));
    }
    catch (eArchive& e)
    {
        // Note: Output to TCERR is O.K. here, it is documented that this is what this function does
        TSTRING msg = e.GetMsg();
        if (!msg.empty())
            msg += _T("\n");
        msg += errorMsg;

        cTWUtil::PrintErrorMsg(ePoly(e.GetID(), msg, e.GetFlags()));
        ThrowAndAssert(ePoly());
    }
    catch (eSerializer& e)
    {
        // Note: Output to TCERR is O.K. here, it is documented that this is what this function does
        TSTRING msg = e.GetMsg();
        if (!msg.empty())
            msg += _T("\n");
        msg += errorMsg;

        cTWUtil::PrintErrorMsg(ePoly(e.GetID(), msg, e.GetFlags()));
        ThrowAndAssert(ePoly());
    }

    return (fEncrypted);
}

static void PrintIter(const iFCOIter* pIter, cDebug& d)
{
    TSTRING str;
    for(; ! pIter->Done(); pIter->Next())
    {
        str += pIter->FCO()->GetName().AsString().c_str();
        str += _T(" ");
    }
    d.TraceDebug(_T("%s\n"), str.c_str());
}

///////////////////////////////////////////////////////////////////////////////
// Function name    : util_FileIsExecutable
// Description      : file ( or file a link points to ) must be a regular
//                    file and executable by someone
//
// Return type      : bool
// Argument         : const TSTRING& strFile
///////////////////////////////////////////////////////////////////////////////
bool util_FileIsExecutable(const TSTRING& strFile)
{
    if (strFile.empty())
        return false;

    struct stat s;
    if (stat(strFile.c_str(), &s) < 0) // this call handles links
        return false;

    return (S_ISREG(s.st_mode) && (s.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))); // can someone execute it?
}