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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
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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