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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 "assert.h"
namespace OpenStormBento
{
unsigned long
CBenValue::GetValueSize()
{
unsigned long Size = 0;
pCBenValueSegment pCurr = NULL;
while ((pCurr = GetNextValueSegment(pCurr)) != NULL)
Size += pCurr->GetSize();
return Size;
}
BenError
CBenValue::ReadValueData(BenDataPtr pReadBuffer, unsigned long Offset,
unsigned long Amt, unsigned long * pAmtRead)
{
BenError Err;
unsigned long SegOffset = 0;
*pAmtRead = 0;
pCBenValueSegment pCurrSeg = NULL;
pLtcBenContainer pContainer = GetContainer();
BenByteDataPtr pBuffer = (BenByteDataPtr) pReadBuffer;
/// pReadBuffer -- pointer to buffer of read result, allocated outside this function
/// Offset -- read buffer's start offset address, relative value in the whole value stream
/// Amt -- read buffer's size
/// pAmtRead -- return the actual read size
/// SegOffset -- current segment's start address offset, relative value in the whole value stream
while ((pCurrSeg = GetNextValueSegment(pCurrSeg)) != NULL)
{
if (Amt == 0) /// whole buffer is full now, so return
return BenErr_OK;
if (SegOffset <= Offset && Offset < SegOffset + pCurrSeg->GetSize()) /// begin at current segment
{
unsigned long OffsetIntoSeg = Offset - SegOffset; /// relative value in this value segment stream
unsigned long AmtThisSeg = UtMin(Amt, pCurrSeg->GetSize() -
OffsetIntoSeg); /// size read in this segment, it's minimal value between Amt &
/// remain part from OffsetIntoSeg to the end of this segment
unsigned long AmtReadThisSeg; /// actual read size in this segment
if (pCurrSeg->IsImmediate())
{
UtHugeMemcpy(pBuffer, pCurrSeg->GetImmediateData() +
OffsetIntoSeg, AmtThisSeg);
AmtReadThisSeg = AmtThisSeg;
}
else
{
if ((Err = pContainer->SeekToPosition(pCurrSeg->GetPosition() +
OffsetIntoSeg)) != BenErr_OK)
return Err;
if ((Err = pContainer->Read(pBuffer, AmtThisSeg,
&AmtReadThisSeg)) != BenErr_OK)
return Err;
}
*pAmtRead += AmtReadThisSeg;
if (AmtThisSeg != AmtReadThisSeg)
return BenErr_UnexpectedEndOfFile;
pBuffer += AmtReadThisSeg;
Offset += AmtReadThisSeg;
Amt -= AmtReadThisSeg;
}
SegOffset += pCurrSeg->GetSize();
}
return BenErr_OK;
}
BenError
CBenValue::ReadValueDataKnownSize(BenDataPtr pBuffer, unsigned long Offset,
unsigned long Amt)
{
unsigned long AmtRead;
BenError Err = ReadValueData(pBuffer, Offset, Amt, &AmtRead);
if (Err == UtErr_OK && AmtRead != Amt)
Err = (BenError) UtErr_Fail;
return Err;
}
BenError
CBenValue::WriteValueData(BenConstDataPtr /*pWriteBuffer*/, unsigned long /*Offset*/,
unsigned long /*Amt*/, unsigned long * /*pAmtWritten*/)
{
return BenErr_OK;
}
BenError
CBenValue::TruncateValueSize(unsigned long NewSize)
{
unsigned long SegOffset = 0;
pCBenValueSegment pCurrSeg = GetNextValueSegment(NULL);
while (pCurrSeg != NULL)
{
pCBenValueSegment pNextSeg = GetNextValueSegment(pCurrSeg);
long SegSize = UtMin((long) pCurrSeg->GetSize(), (long) NewSize -
(long) SegOffset);
if (SegSize <= 0)
delete pCurrSeg;
else pCurrSeg->SetSize(SegSize);
SegOffset += SegSize;
pCurrSeg = pNextSeg;
}
return BenErr_OK;
}
BenError
CBenValue::WriteValueData(BenConstDataPtr pWriteBuffer, unsigned long Offset,
unsigned long Amt)
{
unsigned long AmtWritten;
return WriteValueData(pWriteBuffer, Offset, Amt, &AmtWritten);
}
BenError
CBenValue::WriteImmediateValueData(BenConstDataPtr pBuffer,
unsigned short Size)
{
// Only one write can be an immediate value in current implementation
if (cValueSegments.GetFirst() != cValueSegments.GetTerminating() ||
Size > 4)
return BenErr_InvalidImmediateWrite;
if (Size == 0)
return BenErr_OK;
new CBenValueSegment(this, pBuffer, Size);
return BenErr_OK;
}
BenError
CBenValue::NewReference(BenObjectID ReferencedObjectID, pCBenReference
pReference)
{
BenError Err;
if (cpReferencedList == NULL)
{
pLtcBenContainer pContainer = cpProperty->GetContainer();
pCBenObject pNewObject;
if ((Err = pContainer->NewObject(&pNewObject)) != BenErr_OK)
return Err;
pCBenValue pNewValue;
if ((Err = pNewObject->NewValue(BEN_PROPID_OBJ_REFERENCES,
BEN_TYPEID_OBJ_REFERENCES_DATA, &pNewValue)) != BenErr_OK)
{
delete pNewObject;
return Err;
}
cpReferencedList = pNewValue;
cReferencedObjectsSize = 0;
}
BenByte Buffer[8];
UtPutIntelDWord(Buffer, ReferencedObjectID);
UtPutIntelDWord(Buffer + 4, ReferencedObjectID);
UtPutIntelDWord(pReference->GetData(), ReferencedObjectID);
if ((Err = cpReferencedList->WriteValueData(Buffer,
cReferencedObjectsSize, 8)) != BenErr_OK)
return Err;
cReferencedObjectsSize += 8;
return BenErr_OK;
}
BenObjectID
CBenValue::GetReferencedObject(pCBenReference pReference)
{
return UtGetIntelDWord(pReference->GetData());
}
BenObjectID
CBenValue::GetReferencedListID()
{
if (cpReferencedList != NULL)
return cpReferencedList->GetProperty()->GetBenObject()->GetID();
else
{
#ifdef BENUTIL_SUPPORT
return cReferencedListID;
#else
return 0;
#endif
}
}
}//end namespace OpenStormBento
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