sot/source/sdstor/storinfo.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #include <sot/stg.hxx>
  22 #include <sot/storinfo.hxx>
  23 #include <sot/exchange.hxx>
  24
  25
  26 /************** class SvStorageInfo **************************************
  27 *************************************************************************/
  28 sal_uLong ReadClipboardFormat( SvStream & rStm )
  29 {
  30     sal_uInt32 nFormat = 0;
  31     sal_Int32 nLen = 0;
  32     rStm >> nLen;
  33     if( rStm.IsEof() )
  34         rStm.SetError( SVSTREAM_GENERALERROR );
  35     if( nLen > 0 )
  36     {
  37         // get a string name
  38         sal_Char * p = new( ::std::nothrow ) sal_Char[ nLen ];
  39         if( p && rStm.Read( p, nLen ) == (sal_uLong) nLen )
  40         {
  41             nFormat = SotExchange::RegisterFormatName(OUString(p, nLen-1, RTL_TEXTENCODING_ASCII_US));
  42         }
  43         else
  44             rStm.SetError( SVSTREAM_GENERALERROR );
  45         delete [] p;
  46     }
  47     else if( nLen == -1L )
  48         // Windows clipboard format
  49         // SV und Win stimmen ueberein (bis einschl. FORMAT_GDIMETAFILE)
  50         rStm >> nFormat;
  51     else if( nLen == -2L )
  52     {
  53         rStm >> nFormat;
  54         // Mac clipboard format
  55         // ??? not implemented
  56         rStm.SetError( SVSTREAM_GENERALERROR );
  57     }
  58     else if( nLen != 0 )
  59     {
  60         // unknown identifier
  61         rStm.SetError( SVSTREAM_GENERALERROR );
  62     }
  63     return nFormat;
  64 }
  65
  66 void WriteClipboardFormat( SvStream & rStm, sal_uLong nFormat )
  67 {
  68     // determine the clipboard format string
  69     String aCbFmt;
  70     if( nFormat > FORMAT_GDIMETAFILE )
  71         aCbFmt = SotExchange::GetFormatName( nFormat );
  72     if( aCbFmt.Len() )
  73     {
  74         OString aAsciiCbFmt(OUStringToOString(aCbFmt,
  75             RTL_TEXTENCODING_ASCII_US));
  76         rStm << (sal_Int32) (aAsciiCbFmt.getLength() + 1);
  77         rStm << (const char *)aAsciiCbFmt.getStr();
  78         rStm << (sal_uInt8) 0;
  79     }
  80     else if( nFormat )
  81         rStm << (sal_Int32) -1         // for Windows
  82              << (sal_Int32) nFormat;
  83     else
  84         rStm << (sal_Int32) 0;         // no clipboard format
  85 }
  86
  87
  88 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */