Line data    Source code

       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 <rtl/ustrbuf.hxx>
      22             : 
      23             : #include <com/sun/star/io/XInputStream.hpp>
      24             : 
      25             : #include <sax/tools/converter.hxx>
      26             : 
      27             : #include <xmloff/xmlexp.hxx>
      28             : #include "xmloff/xmlnmspe.hxx"
      29             : #include "XMLBase64Export.hxx"
      30             : 
      31             : using namespace ::com::sun::star::uno;
      32             : using namespace ::com::sun::star::io;
      33             : using ::rtl::OUString;
      34             : using ::rtl::OUStringBuffer;
      35             : 
      36             : #define INPUT_BUFFER_SIZE 54
      37             : #define OUTPUT_BUFFER_SIZE 72
      38             : 
      39           0 : XMLBase64Export::XMLBase64Export( SvXMLExport& rExp ) :
      40           0 :     rExport( rExp ){
      41           0 : }
      42             : 
      43           0 : sal_Bool XMLBase64Export::exportXML( const Reference < XInputStream> & rIn )
      44             : {
      45           0 :     sal_Bool bRet = sal_True;
      46             :     try
      47             :     {
      48           0 :         Sequence < sal_Int8 > aInBuff( INPUT_BUFFER_SIZE );
      49           0 :         OUStringBuffer aOutBuff( OUTPUT_BUFFER_SIZE );
      50             :         sal_Int32 nRead;
      51           0 :         do
      52             :         {
      53           0 :             nRead = rIn->readBytes( aInBuff, INPUT_BUFFER_SIZE );
      54           0 :             if( nRead > 0 )
      55             :             {
      56           0 :                                 ::sax::Converter::encodeBase64( aOutBuff, aInBuff );
      57           0 :                 GetExport().Characters( aOutBuff.makeStringAndClear() );
      58           0 :                 if( nRead == INPUT_BUFFER_SIZE )
      59           0 :                     GetExport().IgnorableWhitespace();
      60             :             }
      61             :         }
      62           0 :         while( nRead == INPUT_BUFFER_SIZE );
      63             :     }
      64           0 :     catch( ... )
      65             :     {
      66           0 :         bRet = sal_False;
      67             :     }
      68             : 
      69           0 :     return bRet;
      70             : }
      71             : 
      72           0 : sal_Bool XMLBase64Export::exportElement(
      73             :             const Reference < XInputStream > & rIn,
      74             :             sal_uInt16 nNamespace,
      75             :             enum ::xmloff::token::XMLTokenEnum eName )
      76             : {
      77           0 :     SvXMLElementExport aElem( GetExport(), nNamespace, eName, sal_True,
      78           0 :                               sal_True );
      79           0 :     return exportXML( rIn );
      80             : }
      81             : 
      82           0 : sal_Bool XMLBase64Export::exportOfficeBinaryDataElement(
      83             :             const Reference < XInputStream > & rIn )
      84             : {
      85             :     return exportElement( rIn, XML_NAMESPACE_OFFICE,
      86           0 :                              ::xmloff::token::XML_BINARY_DATA );
      87             : }
      88             : 
      89             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */