ODFstudio/odfstudio
2
0
Fork 0
Code Issues Packages Activity

connectivity: remove dead DNoException.cxx

Browse Source
This commit is contained in:
Michael Stahl
2011-12-09 15:18:02 +01:00
parent c549ae0b57
commit 1da85eb63b
1 changed files with 0 additions and 618 deletions
Download Patch File Download Diff File Expand all files Collapse all files
connectivity/source/drivers/dbase/DNoException.cxx
-618
View File
@@ -1,618 +0,0 @@
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* 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 "dbase/DTable.hxx"
#include "dbase/DIndex.hxx"
#include "dbase/dindexnode.hxx"
#include <tools/debug.hxx>
#include "diagnose_ex.h"
#include <sal/types.h>
#include <algorithm>
#include <rtl/logfile.hxx>
using namespace connectivity;
using namespace connectivity::dbase;
using namespace com::sun::star::uno;
using namespace com::sun::star::sdbc;
//------------------------------------------------------------------
sal_Bool ODbaseTable::seekRow(IResultSetHelper::Movement eCursorPosition, sal_Int32 nOffset, sal_Int32& nCurPos)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::seekRow" );
// ----------------------------------------------------------
// Prepare positioning:
OSL_ENSURE(m_pFileStream,"ODbaseTable::seekRow: FileStream is NULL!");
sal_uInt32 nNumberOfRecords = (sal_uInt32)m_aHeader.db_anz;
sal_uInt32 nTempPos = m_nFilePos;
m_nFilePos = nCurPos;
switch(eCursorPosition)
{
case IResultSetHelper::NEXT:
++m_nFilePos;
break;
case IResultSetHelper::PRIOR:
if (m_nFilePos > 0)
--m_nFilePos;
break;
case IResultSetHelper::FIRST:
m_nFilePos = 1;
break;
case IResultSetHelper::LAST:
m_nFilePos = nNumberOfRecords;
break;
case IResultSetHelper::RELATIVE:
m_nFilePos = (((sal_Int32)m_nFilePos) + nOffset < 0) ? 0L
: (sal_uInt32)(((sal_Int32)m_nFilePos) + nOffset);
break;
case IResultSetHelper::ABSOLUTE:
case IResultSetHelper::BOOKMARK:
m_nFilePos = (sal_uInt32)nOffset;
break;
}
if (m_nFilePos > (sal_Int32)nNumberOfRecords)
m_nFilePos = (sal_Int32)nNumberOfRecords + 1;
if (m_nFilePos == 0 || m_nFilePos == (sal_Int32)nNumberOfRecords + 1)
goto Error;
else
{
sal_uInt16 nEntryLen = m_aHeader.db_slng;
OSL_ENSURE(m_nFilePos >= 1,"SdbDBFCursor::FileFetchRow: ungueltige Record-Position");
sal_Int32 nPos = m_aHeader.db_kopf + (sal_Int32)(m_nFilePos-1) * nEntryLen;
sal_uIntPtr nLen = m_pFileStream->Seek(nPos);
if (m_pFileStream->GetError() != ERRCODE_NONE)
goto Error;
nLen = m_pFileStream->Read((char*)m_pBuffer, nEntryLen);
if (m_pFileStream->GetError() != ERRCODE_NONE)
goto Error;
}
goto End;
Error:
switch(eCursorPosition)
{
case IResultSetHelper::PRIOR:
case IResultSetHelper::FIRST:
m_nFilePos = 0;
break;
case IResultSetHelper::LAST:
case IResultSetHelper::NEXT:
case IResultSetHelper::ABSOLUTE:
case IResultSetHelper::RELATIVE:
if (nOffset > 0)
m_nFilePos = nNumberOfRecords + 1;
else if (nOffset < 0)
m_nFilePos = 0;
break;
case IResultSetHelper::BOOKMARK:
m_nFilePos = nTempPos; // last position
}
return sal_False;
End:
nCurPos = m_nFilePos;
return sal_True;
}
// -----------------------------------------------------------------------------
sal_Bool ODbaseTable::ReadMemo(sal_uIntPtr nBlockNo, ORowSetValue& aVariable)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::ReadMemo" );
m_pMemoStream->Seek(nBlockNo * m_aMemoHeader.db_size);
switch (m_aMemoHeader.db_typ)
{
case MemodBaseIII: // dBase III-Memofeld, ends with Ctrl-Z
{
const char cEOF = (char) 0x1a;
ByteString aBStr;
static char aBuf[514];
aBuf[512] = 0; // to prevent a random value
bool bReady = false;
do
{
m_pMemoStream->Read(&aBuf,512);
sal_uInt16 i = 0;
while (aBuf[i] != cEOF && ++i < 512)
;
bReady = aBuf[i] == cEOF;
aBuf[i] = 0;
aBStr += aBuf;
} while (!bReady && !m_pMemoStream->IsEof() && aBStr.Len() < STRING_MAXLEN);
::rtl::OUString aStr(aBStr.GetBuffer(), aBStr.Len(),getConnection()->getTextEncoding());
aVariable = aStr;
} break;
case MemoFoxPro:
case MemodBaseIV: // dBase IV-Memofeld with the length specification
{
char sHeader[4];
m_pMemoStream->Read(sHeader,4);
// Foxpro stores text and binary data
if (m_aMemoHeader.db_typ == MemoFoxPro)
{
if (((sal_uInt8)sHeader[0]) != 0 || ((sal_uInt8)sHeader[1]) != 0 || ((sal_uInt8)sHeader[2]) != 0)
{
return sal_False;
}
}
else if (((sal_uInt8)sHeader[0]) != 0xFF || ((sal_uInt8)sHeader[1]) != 0xFF || ((sal_uInt8)sHeader[2]) != 0x08)
{
return sal_False;
}
sal_uInt32 nLength;
(*m_pMemoStream) >> nLength;
if (m_aMemoHeader.db_typ == MemodBaseIV)
nLength -= 8;
::rtl::OUString aStr;
while ( nLength > STRING_MAXLEN )
{
ByteString aBStr;
aBStr.Expand(STRING_MAXLEN);
m_pMemoStream->Read(aBStr.AllocBuffer(STRING_MAXLEN),STRING_MAXLEN);
aStr += ::rtl::OUString(aBStr.GetBuffer(),aBStr.Len(), getConnection()->getTextEncoding());
nLength -= STRING_MAXLEN;
}
if ( nLength > 0 )
{
ByteString aBStr;
aBStr.Expand(static_cast<xub_StrLen>(nLength));
m_pMemoStream->Read(aBStr.AllocBuffer(static_cast<xub_StrLen>(nLength)),nLength);
aStr += ::rtl::OUString(aBStr.GetBuffer(),aBStr.Len(), getConnection()->getTextEncoding());
}
if ( aStr.getLength() )
aVariable = aStr;
}
}
return sal_True;
}
// -----------------------------------------------------------------------------
void ODbaseTable::AllocBuffer()
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::AllocBuffer" );
sal_uInt16 nSize = m_aHeader.db_slng;
OSL_ENSURE(nSize > 0, "Size too small");
if (m_nBufferSize != nSize)
{
delete[] m_pBuffer;
m_pBuffer = NULL;
}
// If no buffer available: allocate
if (m_pBuffer == NULL && nSize > 0)
{
m_nBufferSize = nSize;
m_pBuffer = new sal_uInt8[m_nBufferSize+1];
}
}
// -----------------------------------------------------------------------------
sal_Bool ODbaseTable::WriteBuffer()
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::WriteBuffer" );
OSL_ENSURE(m_nFilePos >= 1,"SdbDBFCursor::FileFetchRow: ungueltige Record-Position");
// Position on the desired record:
long nPos = m_aHeader.db_kopf + (long)(m_nFilePos-1) * m_aHeader.db_slng;
m_pFileStream->Seek(nPos);
return m_pFileStream->Write((char*) m_pBuffer, m_aHeader.db_slng) > 0;
}
// -----------------------------------------------------------------------------
sal_Int32 ODbaseTable::getCurrentLastPos() const
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ODbaseTable::getCurrentLastPos" );
return m_aHeader.db_anz;
}
// -----------------------------------------------------------------------------
//==================================================================
// ONDXNode
//==================================================================
//------------------------------------------------------------------
void ONDXNode::Read(SvStream &rStream, ODbaseIndex& rIndex)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ONDXNode::Read" );
rStream >> aKey.nRecord; // key
if (rIndex.getHeader().db_keytype)
{
double aDbl;
rStream >> aDbl;
aKey = ONDXKey(aDbl,aKey.nRecord);
}
else
{
ByteString aBuf;
sal_uInt16 nLen = rIndex.getHeader().db_keylen;
char* pStr = aBuf.AllocBuffer(nLen+1);
rStream.Read(pStr,nLen);
pStr[nLen] = 0;
aBuf.ReleaseBufferAccess();
aBuf.EraseTrailingChars();
aKey = ONDXKey(::rtl::OUString(aBuf.GetBuffer(),aBuf.Len(),rIndex.m_pTable->getConnection()->getTextEncoding()) ,aKey.nRecord);
}
rStream >> aChild;
}
union
{
double aDbl;
char aData[128];
} aNodeData;
//------------------------------------------------------------------
void ONDXNode::Write(SvStream &rStream, const ONDXPage& rPage) const
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ONDXNode::Write" );
const ODbaseIndex& rIndex = rPage.GetIndex();
if (!rIndex.isUnique() || rPage.IsLeaf())
rStream << (sal_uInt32)aKey.nRecord; // key
else
rStream << (sal_uInt32)0; // key
if (rIndex.getHeader().db_keytype) // double
{
if (aKey.getValue().isNull())
{
memset(aNodeData.aData,0,rIndex.getHeader().db_keylen);
rStream.Write((sal_uInt8*)aNodeData.aData,rIndex.getHeader().db_keylen);
}
else
rStream << (double) aKey.getValue();
}
else
{
memset(aNodeData.aData,0x20,rIndex.getHeader().db_keylen);
if (!aKey.getValue().isNull())
{
::rtl::OUString sValue = aKey.getValue();
ByteString aText(sValue.getStr(), rIndex.m_pTable->getConnection()->getTextEncoding());
strncpy(aNodeData.aData,aText.GetBuffer(),std::min(rIndex.getHeader().db_keylen, aText.Len()));
}
rStream.Write((sal_uInt8*)aNodeData.aData,rIndex.getHeader().db_keylen);
}
rStream << aChild;
}
//------------------------------------------------------------------
ONDXPagePtr& ONDXNode::GetChild(ODbaseIndex* pIndex, ONDXPage* pParent)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ONDXNode::GetChild" );
if (!aChild.Is() && pIndex)
{
aChild = pIndex->CreatePage(aChild.GetPagePos(),pParent,aChild.HasPage());
}
return aChild;
}
//==================================================================
// ONDXKey
//==================================================================
//------------------------------------------------------------------
sal_Bool ONDXKey::IsText(sal_Int32 eType)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ONDXKey::IsText" );
return eType == DataType::VARCHAR || eType == DataType::CHAR;
}
//------------------------------------------------------------------
StringCompare ONDXKey::Compare(const ONDXKey& rKey) const
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ONDXKey::Compare" );
StringCompare eResult;
if (getValue().isNull())
{
if (rKey.getValue().isNull() || (rKey.IsText(getDBType()) && !rKey.getValue().getString().getLength()))
eResult = COMPARE_EQUAL;
else
eResult = COMPARE_LESS;
}
else if (rKey.getValue().isNull())
{
if (getValue().isNull() || (IsText(getDBType()) && !getValue().getString().getLength()))
eResult = COMPARE_EQUAL;
else
eResult = COMPARE_GREATER;
}
else if (IsText(getDBType()))
{
sal_Int32 nRes = getValue().getString().compareTo(rKey.getValue());
eResult = (nRes > 0) ? COMPARE_GREATER : (nRes == 0) ? COMPARE_EQUAL : COMPARE_LESS;
}
else
{
double m = getValue(),n = rKey.getValue();
eResult = (m > n) ? COMPARE_GREATER : (n == m) ? COMPARE_EQUAL : COMPARE_LESS;
}
// Record comparison, if index !Unique
if (eResult == COMPARE_EQUAL && nRecord && rKey.nRecord)
eResult = (nRecord > rKey.nRecord) ? COMPARE_GREATER :
(nRecord == rKey.nRecord) ? COMPARE_EQUAL : COMPARE_LESS;
return eResult;
}
// -----------------------------------------------------------------------------
void ONDXKey::setValue(const ORowSetValue& _rVal)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ONDXKey::setValue" );
xValue = _rVal;
}
// -----------------------------------------------------------------------------
const ORowSetValue& ONDXKey::getValue() const
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ONDXKey::getValue" );
return xValue;
}
// -----------------------------------------------------------------------------
SvStream& connectivity::dbase::operator >> (SvStream &rStream, ONDXPagePtr& rPage)
{
rStream >> rPage.nPagePos;
return rStream;
}
// -----------------------------------------------------------------------------
SvStream& connectivity::dbase::operator << (SvStream &rStream, const ONDXPagePtr& rPage)
{
rStream << rPage.nPagePos;
return rStream;
}
// -----------------------------------------------------------------------------
//==================================================================
// ONDXPagePtr
//==================================================================
//------------------------------------------------------------------
ONDXPagePtr::ONDXPagePtr(const ONDXPagePtr& rRef)
:ONDXPageRef(rRef)
,nPagePos(rRef.nPagePos)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ONDXPagePtr::ONDXPagePtr" );
}
//------------------------------------------------------------------
ONDXPagePtr::ONDXPagePtr(ONDXPage* pRefPage)
:ONDXPageRef(pRefPage)
,nPagePos(0)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ONDXPagePtr::ONDXPagePtr" );
if (pRefPage)
nPagePos = pRefPage->GetPagePos();
}
//------------------------------------------------------------------
ONDXPagePtr& ONDXPagePtr::operator=(const ONDXPagePtr& rRef)
{
ONDXPageRef::operator=(rRef);
nPagePos = rRef.nPagePos;
return *this;
}
//------------------------------------------------------------------
ONDXPagePtr& ONDXPagePtr::operator= (ONDXPage* pRef)
{
ONDXPageRef::operator=(pRef);
nPagePos = (pRef) ? pRef->GetPagePos() : 0;
return *this;
}
// -----------------------------------------------------------------------------
static sal_uInt32 nValue;
//------------------------------------------------------------------
SvStream& connectivity::dbase::operator >> (SvStream &rStream, ONDXPage& rPage)
{
rStream.Seek(rPage.GetPagePos() * 512);
rStream >> nValue >> rPage.aChild;
rPage.nCount = sal_uInt16(nValue);
for (sal_uInt16 i = 0; i < rPage.nCount; i++)
rPage[i].Read(rStream, rPage.GetIndex());
return rStream;
}
//------------------------------------------------------------------
SvStream& connectivity::dbase::operator << (SvStream &rStream, const ONDXPage& rPage)
{
// Page does not yet exist
sal_uIntPtr nSize = (rPage.GetPagePos() + 1) * 512;
if (nSize > rStream.Seek(STREAM_SEEK_TO_END))
{
rStream.SetStreamSize(nSize);
rStream.Seek(rPage.GetPagePos() * 512);
char aEmptyData[512];
memset(aEmptyData,0x00,512);
rStream.Write((sal_uInt8*)aEmptyData,512);
}
sal_uIntPtr nCurrentPos = rStream.Seek(rPage.GetPagePos() * 512);
OSL_UNUSED( nCurrentPos );
nValue = rPage.nCount;
rStream << nValue << rPage.aChild;
sal_uInt16 i = 0;
for (; i < rPage.nCount; i++)
rPage[i].Write(rStream, rPage);
// check if we have to fill the stream with '\0'
if(i < rPage.rIndex.getHeader().db_maxkeys)
{
sal_uIntPtr nTell = rStream.Tell() % 512;
sal_uInt16 nBufferSize = rStream.GetBufferSize();
sal_uIntPtr nSize = nBufferSize - nTell;
if ( nSize <= nBufferSize )
{
char* pEmptyData = new char[nSize];
memset(pEmptyData,0x00,nSize);
rStream.Write((sal_uInt8*)pEmptyData,nSize);
rStream.Seek(nTell);
delete [] pEmptyData;
}
}
return rStream;
}
// -----------------------------------------------------------------------------
#if OSL_DEBUG_LEVEL > 1
//------------------------------------------------------------------
void ONDXPage::PrintPage()
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ONDXPage::PrintPage" );
OSL_TRACE("\nSDB: -----------Page: %d Parent: %d Count: %d Child: %d-----",
nPagePos, HasParent() ? aParent->GetPagePos() : 0 ,nCount, aChild.GetPagePos());
for (sal_uInt16 i = 0; i < nCount; i++)
{
ONDXNode rNode = (*this)[i];
ONDXKey& rKey = rNode.GetKey();
if (!IsLeaf())
rNode.GetChild(&rIndex, this);
if (rKey.getValue().isNull())
{
OSL_TRACE("SDB: [%d,NULL,%d]",rKey.GetRecord(), rNode.GetChild().GetPagePos());
}
else if (rIndex.getHeader().db_keytype)
{
OSL_TRACE("SDB: [%d,%f,%d]",rKey.GetRecord(), rKey.getValue().getDouble(),rNode.GetChild().GetPagePos());
}
else
{
OSL_TRACE("SDB: [%d,%s,%d]",rKey.GetRecord(), (const char* )ByteString(rKey.getValue().getString().getStr(), rIndex.m_pTable->getConnection()->getTextEncoding()).GetBuffer(),rNode.GetChild().GetPagePos());
}
}
OSL_TRACE("SDB: -----------------------------------------------");
if (!IsLeaf())
{
#if OSL_DEBUG_LEVEL > 1
GetChild(&rIndex)->PrintPage();
for (sal_uInt16 i = 0; i < nCount; i++)
{
ONDXNode rNode = (*this)[i];
rNode.GetChild(&rIndex,this)->PrintPage();
}
#endif
}
OSL_TRACE("SDB: ===============================================");
}
#endif
// -----------------------------------------------------------------------------
sal_Bool ONDXPage::IsFull() const
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ONDXPage::IsFull" );
return Count() == rIndex.getHeader().db_maxkeys;
}
// -----------------------------------------------------------------------------
//------------------------------------------------------------------
sal_uInt16 ONDXPage::Search(const ONDXKey& rSearch)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ONDXPage::Search" );
// binary search afterwards
sal_uInt16 i = 0xFFFF;
while (++i < Count())
if ((*this)[i].GetKey() == rSearch)
break;
return (i < Count()) ? i : NODE_NOTFOUND;
}
//------------------------------------------------------------------
sal_uInt16 ONDXPage::Search(const ONDXPage* pPage)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ONDXPage::Search" );
sal_uInt16 i = 0xFFFF;
while (++i < Count())
if (((*this)[i]).GetChild() == pPage)
break;
// if not found, then we assume, that the page points to the page (???)
return (i < Count()) ? i : NODE_NOTFOUND;
}
// -----------------------------------------------------------------------------
// runs recursively
void ONDXPage::SearchAndReplace(const ONDXKey& rSearch,
ONDXKey& rReplace)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ONDXPage::SearchAndReplace" );
OSL_ENSURE(rSearch != rReplace,"Invalid here:rSearch == rReplace");
if (rSearch != rReplace)
{
sal_uInt16 nPos = NODE_NOTFOUND;
ONDXPage* pPage = this;
while (pPage && (nPos = pPage->Search(rSearch)) == NODE_NOTFOUND)
pPage = pPage->aParent;
if (pPage)
{
(*pPage)[nPos].GetKey() = rReplace;
pPage->SetModified(sal_True);
}
}
}
// -----------------------------------------------------------------------------
ONDXNode& ONDXPage::operator[] (sal_uInt16 nPos)
{
DBG_ASSERT(nCount > nPos, "falscher Indexzugriff");
return ppNodes[nPos];
}
//------------------------------------------------------------------
const ONDXNode& ONDXPage::operator[] (sal_uInt16 nPos) const
{
DBG_ASSERT(nCount > nPos, "falscher Indexzugriff");
return ppNodes[nPos];
}
// -----------------------------------------------------------------------------
void ONDXPage::Remove(sal_uInt16 nPos)
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "dbase", "Ocke.Janssen@sun.com", "ONDXPage::Remove" );
DBG_ASSERT(nCount > nPos, "falscher Indexzugriff");
for (sal_uInt16 i = nPos; i < (nCount-1); i++)
(*this)[i] = (*this)[i+1];
nCount--;
bModified = sal_True;
}
// -----------------------------------------------------------------------------
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */