/* -*- 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 .
*/
#ifndef INCLUDED_OOX_VML_VMLINPUTSTREAM_HXX
#define INCLUDED_OOX_VML_VMLINPUTSTREAM_HXX
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <cppuhelper/implbase.hxx>
#include <rtl/string.hxx>
#include <sal/types.h>
namespace com::sun::star {
namespace io { class XTextInputStream2; }
namespace uno { class XComponentContext; }
}
namespace oox::vml {
/** An input stream class for VML streams, implementing the UNO interface
com . sun . star . io . XInputStream needed by the Expat XML parsers .
This stream reads the data from the input stream passed to the constructor ,
and parses all XML elements for features unsupported by the current Expat
XML parser :
1 ) All elements that have the form ' < ! [ inst ] > ' where ' inst ' is any string
not containing the characters ' < ' and ' > ' are stripped from the input
stream .
2 ) Multiple occurrences of the same attribute in an element but the last
are removed .
3 ) Line breaks represented by a single < br > element ( without matching
< / br > element ) are replaced by a literal LF character .
*/
class InputStream final : public ::cppu::WeakImplHelper< css::io::XInputStream >
{
public :
explicit InputStream(
const css::uno::Reference< css::uno::XComponentContext >& rxContext,
const css::uno::Reference< css::io::XInputStream >& rxInStrm );
virtual ~InputStream() override;
virtual sal_Int32 SAL_CALL readBytes( css::uno::Sequence< sal_Int8 >& rData, sal_Int32 nBytesToRead ) override;
virtual sal_Int32 SAL_CALL readSomeBytes( css::uno::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;
private :
/// @throws css::io::IOException
/// @throws css::uno::RuntimeException
void updateBuffer();
/// @throws css::io::IOException
/// @throws css::uno::RuntimeException
OString readToElementBegin();
/// @throws css::io::IOException
/// @throws css::uno::RuntimeException
OString readToElementEnd();
private :
css::uno::Reference< css::io::XTextInputStream2 >
mxTextStrm;
css::uno::Sequence< sal_Unicode > maOpeningBracket;
css::uno::Sequence< sal_Unicode > maClosingBracket;
OString maBuffer;
sal_Int32 mnBufferPos;
};
} // namespace oox::vml
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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