/* -*- 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_SOURCE_ZIPAPI_MEMORYBYTEGRABBER_HXX
#define INCLUDED_PACKAGE_SOURCE_ZIPAPI_MEMORYBYTEGRABBER_HXX
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/io/XSeekable.hpp>
#include <string.h>
class MemoryByteGrabber final
{
const sal_Int8 *mpBuffer;
sal_Int32 mnCurrent, mnEnd;
public:
MemoryByteGrabber ( const css::uno::Sequence < sal_Int8 > & rBuffer )<--- Class 'MemoryByteGrabber' has a constructor with 1 argument that is not explicit. [+]Class 'MemoryByteGrabber' has a constructor with 1 argument that is not explicit. Such constructors should in general be explicit for type safety reasons. Using the explicit keyword in the constructor means some mistakes when using the class can be avoided.
: mpBuffer ( rBuffer.getConstArray() )
, mnCurrent ( 0 )
, mnEnd ( rBuffer.getLength() )
{
}
MemoryByteGrabber(css::uno::Sequence<sal_Int8> &&) = delete;
const sal_Int8 * getCurrentPos () const { return mpBuffer + mnCurrent; }
sal_Int32 remainingSize() const { return mnEnd - mnCurrent; }
// XInputStream chained
/// @throws css::io::NotConnectedException
/// @throws css::io::BufferSizeExceededException
/// @throws css::io::IOException
/// @throws css::uno::RuntimeException
void skipBytes( sal_Int32 nBytesToSkip )
{
mnCurrent += nBytesToSkip;
}
// XSeekable chained...
sal_Int16 ReadInt16()
{
if (mnCurrent + 2 > mnEnd )
return 0;
sal_Int16 nInt16 = mpBuffer[mnCurrent++] & 0xFF;
nInt16 |= ( mpBuffer[mnCurrent++] & 0xFF ) << 8;
return nInt16;
}
sal_Int32 ReadInt32()
{
if (mnCurrent + 4 > mnEnd )
return 0;
sal_Int32 nInt32 = mpBuffer[mnCurrent++] & 0xFF;
nInt32 |= ( mpBuffer[mnCurrent++] & 0xFF ) << 8;
nInt32 |= ( mpBuffer[mnCurrent++] & 0xFF ) << 16;
nInt32 |= ( mpBuffer[mnCurrent++] & 0xFF ) << 24;
return nInt32;
}
sal_uInt32 ReadUInt32()
{
if (mnCurrent + 4 > mnEnd )
return 0;
sal_uInt32 nInt32 = mpBuffer [mnCurrent++] & 0xFF;
nInt32 |= ( mpBuffer [mnCurrent++] & 0xFF ) << 8;
nInt32 |= ( mpBuffer [mnCurrent++] & 0xFF ) << 16;
nInt32 |= ( mpBuffer [mnCurrent++] & 0xFF ) << 24;
return nInt32;
}
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */