xmloff/source/core/XMLBase64ImportContext.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 #include <com/sun/star/io/XOutputStream.hpp>
  21
  22 #include <comphelper/base64.hxx>
  23 #include <o3tl/string_view.hxx>
  24
  25 #include <xmloff/xmlimp.hxx>
  26 #include <xmloff/XMLBase64ImportContext.hxx>
  27
  28 using namespace ::com::sun::star::uno;
  29 using namespace ::com::sun::star::xml::sax;
  30 using namespace ::com::sun::star::io;
  31
  32
  33 XMLBase64ImportContext::XMLBase64ImportContext(
  34         SvXMLImport& rImport,
  35         const Reference< XOutputStream >& rOut ) :
  36     SvXMLImportContext( rImport ),
  37     m_xOut( rOut )
  38 {
  39 }
  40
  41 XMLBase64ImportContext::~XMLBase64ImportContext()
  42 {
  43 }
  44
  45 void XMLBase64ImportContext::endFastElement(sal_Int32 )
  46 {
  47     std::u16string_view sChars = o3tl::trim(maCharBuffer);
  48     if( !sChars.empty() )
  49     {
  50         Sequence< sal_Int8 > aBuffer( (sChars.size() / 4) * 3 );
  51         ::comphelper::Base64::decodeSomeChars( aBuffer, sChars );
  52         m_xOut->writeBytes( aBuffer );
  53     }
  54     maCharBuffer.setLength(0);
  55     m_xOut->closeOutput();
  56 }
  57
  58 void XMLBase64ImportContext::characters( const OUString& rChars )
  59 {
  60     maCharBuffer.append(rChars);
  61 }
  62
  63 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */