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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include <WW8StructBase.hxx>
#include <util.hxx>
namespace writerfilter {
namespace doctok {
using namespace ::com::sun::star;
WW8StructBase::WW8StructBase(const WW8StructBase & rParent,
sal_uInt32 nOffset, sal_uInt32 nCount)
: mSequence(rParent.mSequence, nOffset, nCount), mpParent(0),
mpDocument(rParent.getDocument())
{
if (nOffset + nCount > rParent.getCount())
{
throw ExceptionOutOfBounds("WW8StructBase");
}
}
WW8StructBase & WW8StructBase::Assign(const WW8StructBase & rSrc)
{
mSequence = rSrc.mSequence;
mpDocument = rSrc.mpDocument;
return *this;
}
void WW8StructBase::setDocument(WW8DocumentImpl * pDocument)
{
mpDocument = pDocument;
}
WW8DocumentImpl * WW8StructBase::getDocument() const
{
return mpDocument;
}
sal_uInt8 WW8StructBase::getU8(sal_uInt32 nOffset) const
{
return doctok::getU8(mSequence, nOffset);
}
sal_uInt16 WW8StructBase::getU16(sal_uInt32 nOffset) const
{
return doctok::getU16(mSequence, nOffset);
}
sal_uInt32 WW8StructBase::getU32(sal_uInt32 nOffset) const
{
return doctok::getU32(mSequence, nOffset);
}
sal_Bool WW8StructBase::getBit(sal_uInt32 nValue, sal_uInt16 nBit) const
{
return (nValue & (1 << nBit)) != 0;
}
sal_uInt8 WW8StructBase::getNibble(sal_uInt32 nValue,
sal_uInt16 nShift) const
{
return sal::static_int_cast<sal_uInt8>((nValue >> nShift) & 0xf);
}
sal_uInt8 getU8(const WW8StructBase::Sequence & rSeq,
sal_uInt32 nOffset)
{
return rSeq[nOffset];
}
sal_uInt16 getU16(const WW8StructBase::Sequence & rSeq,
sal_uInt32 nOffset)
{
return getU8(rSeq, nOffset) | (getU8(rSeq, nOffset + 1) << 8);
}
sal_uInt32 getU32(const WW8StructBase::Sequence & rSeq,
sal_uInt32 nOffset)
{
sal_uInt32 nResult = getU8(rSeq, nOffset);
nResult |= (getU8(rSeq, nOffset + 1) << 8);
nResult |= (getU8(rSeq, nOffset + 2) << 16);
nResult |= (getU8(rSeq, nOffset + 3) << 24);
return nResult;
}
rtl::OUString WW8StructBase::getString(sal_uInt32 nOffset, sal_uInt32 nCount)
const
{
rtl::OUString aResult;
if (nOffset < getCount())
{
sal_uInt32 nCount1 = nCount;
if (nOffset + nCount * 2 > getCount())
{
nCount1 = (getCount() - nOffset) / 2;
}
if (nCount1 > 0)
{
Sequence aSeq(mSequence, nOffset, nCount1 * 2);
rtl_uString * pNew = 0;
rtl_uString_newFromStr_WithLength
(&pNew, reinterpret_cast<const sal_Unicode *>(&aSeq[0]),
nCount1);
aResult = rtl::OUString(pNew);
}
}
return aResult;
}
WW8StructBase *
WW8StructBase::getRemainder(sal_uInt32 nOffset) const
{
WW8StructBase * pResult = NULL;
sal_uInt32 nCount = getCount();
if (nCount > nOffset)
{
pResult = new WW8StructBase(*this, nOffset, nCount - nOffset);
}
return pResult;
}
rtl::OUString WW8StructBase::getString(sal_uInt32 nOffset) const
{
sal_uInt32 nCount = getU16(nOffset);
return getString(nOffset + 2, nCount);
}
WW8StructBaseTmpOffset::WW8StructBaseTmpOffset
(WW8StructBase * pStructBase)
: mnOffset(0), mpStructBase(pStructBase)
{
}
sal_uInt32 WW8StructBaseTmpOffset::set(sal_uInt32 nOffset)
{
if (nOffset >= mpStructBase->getCount())
throw ExceptionOutOfBounds("WW8StructBaseTmpOffset::set");
mnOffset = nOffset;
return mnOffset;
}
sal_uInt32 WW8StructBaseTmpOffset::get() const
{
return mnOffset;
}
sal_uInt32 WW8StructBaseTmpOffset::inc(sal_uInt32 nOffset)
{
if (mpStructBase->getCount() - mnOffset < nOffset)
throw ExceptionOutOfBounds("WW8StructBaseTmpOffset::inc");
mnOffset += nOffset;
return mnOffset;
}
WW8StructBaseTmpOffset::operator sal_uInt32() const
{
return mnOffset;
}
}}
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