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diff --git a/xmlscript/source/xml_helper/xml_byteseq.cxx b/xmlscript/source/xml_helper/xml_byteseq.cxx
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+/* -*- 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <string.h>
+
+#include <cppuhelper/implbase.hxx>
+#include <xmlscript/xml_helper.hxx>
+#include <com/sun/star/io/XInputStream.hpp>
+#include <com/sun/star/io/XOutputStream.hpp>
+
+using namespace osl;
+using namespace com::sun::star;
+using namespace com::sun::star::uno;
+
+
+namespace xmlscript
+{
+
+namespace {
+
+class BSeqInputStream
+ : public ::cppu::WeakImplHelper< io::XInputStream >
+{
+ std::vector<sal_Int8> _seq;
+ sal_Int32 _nPos;
+
+public:
+ explicit BSeqInputStream( std::vector<sal_Int8>&& rSeq )
+ : _seq( std::move(rSeq) )
+ , _nPos( 0 )
+ {}
+
+ // XInputStream
+ virtual sal_Int32 SAL_CALL readBytes(
+ Sequence< sal_Int8 > & rData, sal_Int32 nBytesToRead ) override;
+ virtual sal_Int32 SAL_CALL readSomeBytes(
+ Sequence< sal_Int8 > & rData, sal_Int32 nMaxBytesToRead ) override;
+ virtual void SAL_CALL skipBytes(
+ sal_Int32 nBytesToSkip ) override;
+ virtual sal_Int32 SAL_CALL available() override;
+ virtual void SAL_CALL closeInput() override;
+};
+
+}
+
+sal_Int32 BSeqInputStream::readBytes(
+ Sequence< sal_Int8 > & rData, sal_Int32 nBytesToRead )
+{
+ nBytesToRead = ((nBytesToRead > static_cast<sal_Int32>(_seq.size()) - _nPos)
+ ? _seq.size() - _nPos
+ : nBytesToRead);
+
+ if (rData.getLength() != nBytesToRead)
+ rData.realloc( nBytesToRead );
+ if (nBytesToRead != 0) {
+ memcpy(rData.getArray(), &_seq[_nPos], nBytesToRead);
+ }
+ _nPos += nBytesToRead;
+ return nBytesToRead;
+}
+
+sal_Int32 BSeqInputStream::readSomeBytes(
+ Sequence< sal_Int8 > & rData, sal_Int32 nMaxBytesToRead )
+{
+ return readBytes( rData, nMaxBytesToRead );
+}
+
+void BSeqInputStream::skipBytes(
+ sal_Int32 /*nBytesToSkip*/ )
+{
+}
+
+sal_Int32 BSeqInputStream::available()
+{
+ return _seq.size() - _nPos;
+}
+
+void BSeqInputStream::closeInput()
+{
+}
+
+namespace {
+
+class BSeqOutputStream
+ : public ::cppu::WeakImplHelper< io::XOutputStream >
+{
+ std::vector<sal_Int8> * _seq;
+
+public:
+ explicit BSeqOutputStream( std::vector<sal_Int8> * seq )
+ : _seq( seq )
+ {}
+
+ // XOutputStream
+ virtual void SAL_CALL writeBytes(
+ Sequence< sal_Int8 > const & rData ) override;
+ virtual void SAL_CALL flush() override;
+ virtual void SAL_CALL closeOutput() override;
+};
+
+}
+
+void BSeqOutputStream::writeBytes( Sequence< sal_Int8 > const & rData )
+{
+ sal_Int32 nPos = _seq->size();
+ _seq->resize( nPos + rData.getLength() );
+ if (rData.getLength() != 0) {
+ memcpy( _seq->data() + nPos,
+ rData.getConstArray(),
+ rData.getLength() );
+ }
+}
+void BSeqOutputStream::flush()
+{
+}
+
+void BSeqOutputStream::closeOutput()
+{
+}
+
+Reference< io::XInputStream > createInputStream( std::vector<sal_Int8>&& rInData )
+{
+ return new BSeqInputStream( std::move(rInData) );
+}
+
+Reference< io::XInputStream > createInputStream( const sal_Int8* pData, int len )
+{
+ std::vector<sal_Int8> rInData(len);
+ if (len != 0) {
+ memcpy( rInData.data(), pData, len);
+ }
+ return new BSeqInputStream( std::move(rInData) );
+}
+
+Reference< io::XOutputStream > createOutputStream( std::vector<sal_Int8> * pOutData )
+{
+ return new BSeqOutputStream( pOutData );
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */