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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: IBM Corporation
*
* Copyright: 2008 by IBM Corporation
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#include "first.hxx"
#include "tocread.hxx"
#include <algorithm>
#include <osl/diagnose.h>
#include <rtl/string.hxx>
namespace OpenStormBento
{
// String definitions
const char gsBenMagicBytes[] = BEN_MAGIC_BYTES;
/**
* New bento container from file stream
* @param pointer to length of bento file
* @param pointer to pointer of Bento Container object
* @return error code
*/
sal_uLong BenOpenContainer(LwpSvStream * pStream, std::unique_ptr<LtcBenContainer>* ppContainer)
{
*ppContainer = nullptr;
if (nullptr == pStream)
{
return BenErr_ContainerWithNoObjects;
}
std::unique_ptr<LtcBenContainer> pContainer(new LtcBenContainer(pStream));
if (pContainer->Open() != BenErr_OK) // delete two inputs
{
return BenErr_InvalidTOC;
}
*ppContainer = std::move(pContainer);
return BenErr_OK;
}
LtcBenContainer::~LtcBenContainer()
{
}
BenError
LtcBenContainer::Open() // delete two inputs
{
BenError Err;
CBenTOCReader TOCReader(this);
if ((Err = TOCReader.ReadLabelAndTOC()) != BenErr_OK)
{
return Err;
}
return BenErr_OK;
}
void
LtcBenContainer::RegisterPropertyName(const char * sPropertyName,
CBenPropertyName ** ppPropertyName)
{
CUtListElmt * pPrevNamedObjectListElmt;
CBenNamedObject * pNamedObject = FindNamedObject(&cNamedObjects,
sPropertyName, &pPrevNamedObjectListElmt);
if (pNamedObject != nullptr)
{
if (! pNamedObject->IsPropertyName())
return;
else *ppPropertyName = static_cast<CBenPropertyName *>(pNamedObject);
}
else
{
CUtListElmt * pPrevObject;
if (FindID(&cObjects, cNextAvailObjectID, &pPrevObject) != nullptr)
return;
*ppPropertyName = new CBenPropertyName(this, cNextAvailObjectID,
pPrevObject, sPropertyName, pPrevNamedObjectListElmt);
++cNextAvailObjectID;
}
}
CBenObject *
LtcBenContainer::GetNextObject(CBenObject const * pCurrObject)
{
return static_cast<CBenObject *>(cObjects.GetNextOrNULL(pCurrObject));
}
CBenObject *
LtcBenContainer::FindNextObjectWithProperty(CBenObject * pCurrObject,
BenObjectID PropertyID)
{
while ((pCurrObject = GetNextObject(pCurrObject)) != nullptr)
if (pCurrObject->UseProperty(PropertyID) != nullptr)
return pCurrObject;
return nullptr;
}
/**
* Construction
* @param Bento file stream pointer
* @return
*/
LtcBenContainer::LtcBenContainer(LwpSvStream * pStream)
: cNextAvailObjectID(0)
{
cpStream = pStream;
pStream->Seek(STREAM_SEEK_TO_END);
m_ulLength = pStream->Tell();
pStream->Seek(STREAM_SEEK_TO_BEGIN);
}
/**
* Read buffer for bento file with specified buffer
* @param buffer pointer
* @param buffer size
* @param number of bytes read
*/
void LtcBenContainer::Read(void * pBuffer, size_t MaxSize,
size_t* pAmtRead)
{
*pAmtRead = cpStream->Read(pBuffer, MaxSize);
}
/**
* Read buffer from bento file with specified size
* @param buffer pointer
* @param number of bytes to be read
* @return BenError
*/
BenError LtcBenContainer::ReadKnownSize(void * pBuffer, size_t Amt)
{
size_t ulLength = cpStream->Read(pBuffer, Amt);
if (ulLength == Amt)
{
return BenErr_OK;
}
return BenErr_ReadPastEndOfContainer;
}
/**
* Seek to position from the beginning of the bento file
* @param position in container file from beginning
*/
void LtcBenContainer::SeekToPosition(BenContainerPos Pos)
{
cpStream->Seek(Pos);
}
/**
* Seek to position compare to end of bento file
* @param position in container file from end
*/
void LtcBenContainer::SeekFromEnd(tools::Long Offset)
{
cpStream->Seek(STREAM_SEEK_TO_END);
cpStream->SeekRel(Offset);
}
/**
* Find the next value stream with property name
* @param string of property name
* @return next value stream pointer with the property names
*/
LtcUtBenValueStream * LtcBenContainer::FindNextValueStreamWithPropertyName(const char * sPropertyName)
{
CBenPropertyName * pPropertyName(nullptr);
RegisterPropertyName(sPropertyName, &pPropertyName); // Get property name object
if (nullptr == pPropertyName)
return nullptr; // Property not exist
// Get current object
CBenObject * pObj =FindNextObjectWithProperty(nullptr, pPropertyName->GetID()); // Get next object with same property name
if (nullptr == pObj)
return nullptr;
CBenValue * pValue;
LtcUtBenValueStream * pValueStream;
pValue = pObj->UseValue(pPropertyName->GetID());
pValueStream = new LtcUtBenValueStream(pValue);
return pValueStream;
}
/**
* Find the unique value stream with property name
* @param string of property name
* @return the only value stream pointer with the property names
*/
LtcUtBenValueStream * LtcBenContainer::FindValueStreamWithPropertyName(const char * sPropertyName)
{
return FindNextValueStreamWithPropertyName(sPropertyName);
}
namespace
{
void readDataInBlocks(SvStream& rSt, sal_uInt64 nDLen, std::vector<sal_uInt8>& rData)
{
//read data in blocks as it's more likely large values are simply broken
//and we'll run out of data before we need to realloc
for (sal_uInt64 i = 0; i < nDLen; i+= SAL_MAX_UINT16)
{
size_t nOldSize = rData.size();
size_t nBlock = std::min<size_t>(SAL_MAX_UINT16, nDLen - nOldSize);
rData.resize(nOldSize + nBlock);
size_t nReadBlock = rSt.ReadBytes(rData.data() + nOldSize, nBlock);
if (nBlock != nReadBlock)
{
rData.resize(nOldSize + nReadBlock);
break;
}
}
}
}
/**
* Find hazily according to object ID
* @param pObjectname - format as "GrXX,XXXXXXXX" wherein XX is high part of object ID, and XXXXXXXX is low part
*/
std::vector<sal_uInt8> LtcBenContainer::GetGraphicData(const char *pObjectName)
{
std::vector<sal_uInt8> aData;
if (!pObjectName)
{
return aData;
}
// construct the string of property name
OString sSName=OString::Concat(pObjectName) + "-S";
OString sDName=OString::Concat(pObjectName) + "-D";
/* traverse the found properties and construct the stream vectors */
// get S&D's stream and merge them together
std::unique_ptr<SvStream> xS(FindValueStreamWithPropertyName(sSName.getStr()));
std::unique_ptr<SvStream> xD(FindValueStreamWithPropertyName(sDName.getStr()));
sal_uInt64 nDLen = 0;
if (xD)
{
nDLen = xD->TellEnd();
}
sal_uInt64 nSLen = 0;
if (xS)
{
nSLen = xS->TellEnd();
}
sal_uInt64 nLen = nDLen + nSLen;
OSL_ENSURE(nLen > 0, "expected a non-0 length");
// the 'D' stream is NULL or it has invalid length
if (nLen <= 0)
{
return aData;
}
if (xD)
{
readDataInBlocks(*xD, nDLen, aData);
xD.reset();
}
if (xS)
{
readDataInBlocks(*xS, nSLen, aData);
xS.reset();
}
return aData;
}
sal_uLong LtcBenContainer::remainingSize() const
{
return m_ulLength - cpStream->Tell();
}
}// end namespace OpenStormBento
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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