a6ad198d09
which avoids a ton of temporary uno::Sequence being created Change-Id: I237bb69395f692bb0272ca0daec05b81af828e01 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/171968 Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk> Tested-by: Jenkins
76 lines
2.7 KiB
C++
76 lines
2.7 KiB
C++
/* -*- 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: */
|