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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 <sal/config.h>
#include <algorithm>
#include <iostream>
#include "WW8Sttbf.hxx"
#include <osl/endian.h>
#include <o3tl/make_shared.hxx>
#include <o3tl/safeint.hxx>
#include <rtl/ustrbuf.hxx>
#include <tools/stream.hxx>
#include <sal/log.hxx>
#include <osl/diagnose.h>
namespace ww8
{
WW8Struct::WW8Struct(SvStream& rSt, sal_uInt32 nPos, sal_uInt32 nSize)
: mn_offset(0), mn_size(0)
{
if (checkSeek(rSt, nPos))
{
std::size_t nRemainingSize = rSt.remainingSize();
nSize = std::min<sal_uInt32>(nRemainingSize, nSize);
m_pData = o3tl::make_shared_array<sal_uInt8>(nSize);
mn_size = rSt.ReadBytes(m_pData.get(), nSize);
}
OSL_ENSURE(mn_size == nSize, "short read in WW8Struct::WW8Struct");
}
WW8Struct::WW8Struct(WW8Struct const * pStruct, sal_uInt32 nPos, sal_uInt32 nSize)
: m_pData(pStruct->m_pData), mn_offset(pStruct->mn_offset + nPos)
, mn_size(nSize)
{
}
WW8Struct::~WW8Struct()
{
}
sal_uInt8 WW8Struct::getU8(sal_uInt32 nOffset)
{
sal_uInt8 nResult = 0;
if (nOffset < mn_size)
{
nResult = m_pData.get()[mn_offset + nOffset];
}
return nResult;
}
OUString WW8Struct::getUString(sal_uInt32 nOffset,
sal_Int32 nCount)
{
OUString aResult;
if (nCount > 0)
{
//clip to available
sal_uInt32 nStartOff = mn_offset + nOffset;
if (nStartOff >= mn_size)
return aResult;
sal_uInt32 nAvailable = (mn_size - nStartOff)/sizeof(sal_Unicode);
if (o3tl::make_unsigned(nCount) > nAvailable)
nCount = nAvailable;
OUStringBuffer aBuf(nCount);
for (sal_Int32 i = 0; i < nCount; ++i)
aBuf.append(static_cast<sal_Unicode>(getU16(nStartOff+i*2)));
aResult = aBuf.makeStringAndClear();
}
SAL_INFO( "sw.ww8.level2", "<WW8Struct-getUString offset=\"" << nOffset
<< "\" count=\"" << nCount << "\">" << aResult << "</WW8Struct-getUString>" );
return aResult;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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