writerperfect/source/writer/exp/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
  10 #include "XMLBase64ImportContext.hxx"
  11
  12 #include <comphelper/base64.hxx>
  13
  14 using namespace com::sun::star;
  15
  16 namespace writerperfect::exp
  17 {
  18 XMLBase64ImportContext::XMLBase64ImportContext(XMLImport& rImport)
  19     : XMLImportContext(rImport)
  20 {
  21 }
  22
  23 void XMLBase64ImportContext::startElement(
  24     const OUString& /*rName*/,
  25     const css::uno::Reference<css::xml::sax::XAttributeList>& /*xAttribs*/)
  26 {
  27 }
  28
  29 void XMLBase64ImportContext::endElement(const OUString& /*rName*/)
  30 {
  31     m_aBinaryData.append(static_cast<const unsigned char*>(m_aStream.GetData()),
  32                          m_aStream.GetSize());
  33 }
  34
  35 void XMLBase64ImportContext::characters(const OUString& rChars)
  36 {
  37     OUString aTrimmedChars(rChars.trim());
  38
  39     if (aTrimmedChars.isEmpty())
  40         return;
  41
  42     OUString aChars;
  43     if (!m_aBase64CharsLeft.isEmpty())
  44     {
  45         aChars = m_aBase64CharsLeft + aTrimmedChars;
  46         m_aBase64CharsLeft.clear();
  47     }
  48     else
  49         aChars = aTrimmedChars;
  50
  51     uno::Sequence<sal_Int8> aBuffer((aChars.getLength() / 4) * 3);
  52     const sal_Int32 nCharsDecoded = comphelper::Base64::decodeSomeChars(aBuffer, aChars);
  53     m_aStream.WriteBytes(aBuffer.getArray(), aBuffer.getLength());
  54     if (nCharsDecoded != aChars.getLength())
  55         m_aBase64CharsLeft = aChars.copy(nCharsDecoded);
  56 }
  57
  58 const librevenge::RVNGBinaryData& XMLBase64ImportContext::getBinaryData() const
  59 {
  60     return m_aBinaryData;
  61 }
  62
  63 } // namespace writerperfect::exp
  64
  65 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */