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/storinfo.hxx>
  22 #include <sot/exchange.hxx>
  23 #include <tools/stream.hxx>
  24 #include <comphelper/errcode.hxx>
  25 #include <memory>
  26
  27 /************** class SvStorageInfo **************************************
  28 *************************************************************************/
  29 SotClipboardFormatId ReadClipboardFormat( SvStream & rStm )
  30 {
  31     SotClipboardFormatId nFormat = SotClipboardFormatId::NONE;
  32     sal_Int32 nLen = 0;
  33     rStm.ReadInt32( nLen );
  34     if( rStm.eof() )
  35         rStm.SetError( SVSTREAM_GENERALERROR );
  36     if( nLen > 0 )
  37     {
  38         // get a string name
  39         std::unique_ptr<char[]> p(new( ::std::nothrow ) char[ nLen ]);
  40         if (p && rStm.ReadBytes(p.get(), nLen) == static_cast<std::size_t>(nLen))
  41         {
  42             nFormat = SotExchange::RegisterFormatName(OUString(p.get(), nLen-1, RTL_TEXTENCODING_ASCII_US));
  43         }
  44         else
  45             rStm.SetError( SVSTREAM_GENERALERROR );
  46     }
  47     else if( nLen == -1 )
  48     {
  49         // Windows clipboard format
  50         // SV and Win match (up to and including SotClipboardFormatId::GDIMETAFILE)
  51         sal_uInt32 nTmp;
  52         rStm.ReadUInt32( nTmp );
  53         nFormat = static_cast<SotClipboardFormatId>(nTmp);
  54     }
  55     else if( nLen == -2 )
  56     {
  57         sal_uInt32 nTmp;
  58         rStm.ReadUInt32( nTmp );
  59         nFormat = static_cast<SotClipboardFormatId>(nTmp);
  60         // Mac clipboard format
  61         // ??? not implemented
  62         rStm.SetError( SVSTREAM_GENERALERROR );
  63     }
  64     else if( nLen != 0 )
  65     {
  66         // unknown identifier
  67         rStm.SetError( SVSTREAM_GENERALERROR );
  68     }
  69     return nFormat;
  70 }
  71
  72 void WriteClipboardFormat( SvStream & rStm, SotClipboardFormatId nFormat )
  73 {
  74     // determine the clipboard format string
  75     OUString aCbFmt;
  76     if( nFormat > SotClipboardFormatId::GDIMETAFILE )
  77         aCbFmt = SotExchange::GetFormatName( nFormat );
  78     if( !aCbFmt.isEmpty() )
  79     {
  80         OString aAsciiCbFmt(OUStringToOString(aCbFmt,
  81                                               RTL_TEXTENCODING_ASCII_US));
  82         rStm.WriteInt32( aAsciiCbFmt.getLength() + 1 );
  83         rStm.WriteOString( aAsciiCbFmt );
  84         rStm.WriteUChar( 0 );
  85     }
  86     else if( nFormat != SotClipboardFormatId::NONE )
  87     {
  88         rStm.WriteInt32( -1 )         // for Windows
  89             .WriteInt32( static_cast<sal_Int32>(nFormat) );
  90     }
  91     else
  92     {
  93         rStm.WriteInt32( 0 );         // no clipboard format
  94     }
  95 }
  96
  97
  98 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */