Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 65 insertions, 0 deletions

diff --git a/writerperfect/source/writer/exp/XMLBase64ImportContext.cxx b/writerperfect/source/writer/exp/XMLBase64ImportContext.cxx
new file mode 100644
index 000000000..a7780e2d5
--- /dev/null
+++ b/writerperfect/source/writer/exp/XMLBase64ImportContext.cxx
@@ -0,0 +1,65 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include "XMLBase64ImportContext.hxx"
+
+#include <comphelper/base64.hxx>
+
+using namespace com::sun::star;
+
+namespace writerperfect::exp
+{
+XMLBase64ImportContext::XMLBase64ImportContext(XMLImport& rImport)
+    : XMLImportContext(rImport)
+{
+}
+
+void XMLBase64ImportContext::startElement(
+    const OUString& /*rName*/,
+    const css::uno::Reference<css::xml::sax::XAttributeList>& /*xAttribs*/)
+{
+}
+
+void XMLBase64ImportContext::endElement(const OUString& /*rName*/)
+{
+    m_aBinaryData.append(static_cast<const unsigned char*>(m_aStream.GetData()),
+                         m_aStream.GetSize());
+}
+
+void XMLBase64ImportContext::characters(const OUString& rChars)
+{
+    OUString aTrimmedChars(rChars.trim());
+
+    if (aTrimmedChars.isEmpty())
+        return;
+
+    OUString aChars;
+    if (!m_aBase64CharsLeft.isEmpty())
+    {
+        aChars = m_aBase64CharsLeft + aTrimmedChars;
+        m_aBase64CharsLeft.clear();
+    }
+    else
+        aChars = aTrimmedChars;
+
+    uno::Sequence<sal_Int8> aBuffer((aChars.getLength() / 4) * 3);
+    const sal_Int32 nCharsDecoded = comphelper::Base64::decodeSomeChars(aBuffer, aChars);
+    m_aStream.WriteBytes(aBuffer.getArray(), aBuffer.getLength());
+    if (nCharsDecoded != aChars.getLength())
+        m_aBase64CharsLeft = aChars.copy(nCharsDecoded);
+}
+
+const librevenge::RVNGBinaryData& XMLBase64ImportContext::getBinaryData() const
+{
+    return m_aBinaryData;
+}
+
+} // namespace writerperfect::exp
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */