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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 .
*/
#ifndef INCLUDED_PACKAGE_INC_BYTEGRABBER_HXX
#define INCLUDED_PACKAGE_INC_BYTEGRABBER_HXX
#include <com/sun/star/uno/Sequence.h>
#include <com/sun/star/uno/Reference.h>
#include <comphelper/bytereader.hxx>
#include <array>
namespace com::sun::star {
namespace io { class XSeekable; class XInputStream; }
}
class ByteGrabber final
{
css::uno::Reference < css::io::XInputStream > xStream;
css::uno::Reference < css::io::XSeekable > xSeek;
comphelper::ByteReader* mpByteReader;
std::array<sal_Int8, 8> maBuffer;
public:
ByteGrabber (css::uno::Reference < css::io::XInputStream > const & xIstream);
~ByteGrabber();
void setInputStream (const css::uno::Reference < css::io::XInputStream >& xNewStream);
// XInputStream
/// @throws css::io::NotConnectedException
/// @throws css::io::BufferSizeExceededException
/// @throws css::io::IOException
/// @throws css::uno::RuntimeException
sal_Int32 readBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead );
sal_Int32 readBytes( sal_Int8* aData, sal_Int32 nBytesToRead );
// XSeekable
/// @throws css::lang::IllegalArgumentException
/// @throws css::io::IOException
/// @throws css::uno::RuntimeException
void seek( sal_Int64 location );
/// @throws css::io::IOException
/// @throws css::uno::RuntimeException
sal_Int64 getPosition( );
/// @throws css::io::IOException
/// @throws css::uno::RuntimeException
sal_Int64 getLength( );
sal_uInt16 ReadUInt16();
sal_uInt32 ReadUInt32();
sal_uInt64 ReadUInt64();
sal_Int16 ReadInt16()
{
return static_cast<sal_Int16>(ReadUInt16());
}
sal_Int32 ReadInt32()
{
return static_cast<sal_Int32>(ReadUInt32());
}
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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