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office-gobmx/connectivity/source/drivers/evoab/LNoException.cxx
Rüdiger Timm 0924728a63 INTEGRATION: CWS changefileheader (1.5.216); FILE MERGED 
2008/04/01 10:52:55 thb 1.5.216.2: #i85898# Stripping all external header guards
2008/03/28 15:23:30 rt 1.5.216.1: #i87441# Change license header to LPGL v3.
2008-04-10 07:43:40 +00:00

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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: LNoException.cxx,v $
* $Revision: 1.6 $
*
* 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.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_connectivity.hxx"
#include "LTable.hxx"
#include "LConnection.hxx"
using namespace connectivity;
using namespace connectivity::evoab;
//------------------------------------------------------------------
xub_StrLen OEvoabString::GetTokenCount( sal_Unicode cTok, sal_Unicode cStrDel ) const
{
if ( !Len() )
return 0;
xub_StrLen nTokCount = 1;
BOOL bStart = TRUE; // Stehen wir auf dem ersten Zeichen im Token?
BOOL bInString = FALSE; // Befinden wir uns INNERHALB eines (cStrDel delimited) String?
// Suche bis Stringende nach dem ersten nicht uebereinstimmenden Zeichen
for( xub_StrLen i = 0; i < Len(); i++ )
{
if (bStart)
{
bStart = FALSE;
// Erstes Zeichen ein String-Delimiter?
if ((*this).GetChar(i) == cStrDel)
{
bInString = TRUE; // dann sind wir jetzt INNERHALB des Strings!
continue; // dieses Zeichen ueberlesen!
}
}
if (bInString) {
// Wenn jetzt das String-Delimiter-Zeichen auftritt ...
if ( (*this).GetChar(i) == cStrDel )
{
if ((i+1 < Len()) && ((*this).GetChar(i+1) == cStrDel))
{
// Verdoppeltes String-Delimiter-Zeichen:
i++; // kein String-Ende, naechstes Zeichen ueberlesen.
}
else
{
// String-Ende
bInString = FALSE;
}
}
} else {
// Stimmt das Tokenzeichen ueberein, dann erhoehe TokCount
if ( (*this).GetChar(i) == cTok )
{
nTokCount++;
bStart = TRUE;
}
}
}
//OSL_TRACE("OEvoabString::nTokCount = %d\n", ((OUtoCStr(::rtl::OUString(nTokCount))) ? (OUtoCStr(::rtl::OUString(nTokCount))):("NULL")) );
return nTokCount;
}
//------------------------------------------------------------------
void OEvoabString::GetTokenSpecial( String& _rStr,xub_StrLen& nStartPos, sal_Unicode cTok, sal_Unicode cStrDel ) const
{
_rStr.Erase();
xub_StrLen nLen = Len();
if ( nLen )
{
BOOL bInString = (nStartPos < nLen) && ((*this).GetChar(nStartPos) == cStrDel); // Befinden wir uns INNERHALB eines (cStrDel delimited) String?
// Erstes Zeichen ein String-Delimiter?
if (bInString )
++nStartPos; // dieses Zeichen ueberlesen!
// Suche bis Stringende nach dem ersten nicht uebereinstimmenden Zeichen
for( xub_StrLen i = nStartPos; i < nLen; ++i )
{
if (bInString)
{
// Wenn jetzt das String-Delimiter-Zeichen auftritt ...
if ( (*this).GetChar(i) == cStrDel )
{
if ((i+1 < nLen) && ((*this).GetChar(i+1) == cStrDel))
{
// Verdoppeltes String-Delimiter-Zeichen:
++i; // kein String-Ende, naechstes Zeichen ueberlesen.
_rStr += (*this).GetChar(i); // Zeichen gehoert zum Resultat-String
}
else
{
// String-Ende
bInString = FALSE;
}
}
else
{
_rStr += (*this).GetChar(i); // Zeichen gehoert zum Resultat-String
}
}
else
{
// Stimmt das Tokenzeichen ueberein, dann erhoehe nTok
if ( (*this).GetChar(i) == cTok )
{
// Vorzeitiger Abbruch der Schleife moeglich, denn
// wir haben, was wir wollten.
nStartPos = i+1;
break;
}
else
{
_rStr += (*this).GetChar(i); // Zeichen gehoert zum Resultat-String
}
}
}
}
}
// -----------------------------------------------------------------------------
void OEvoabTable::refreshIndexes()
{
}
// -----------------------------------------------------------------------------
sal_Bool OEvoabTable::checkHeaderLine()
{
if (m_nFilePos == 0 && ((OEvoabConnection*)m_pConnection)->isHeaderLine())
{
BOOL bRead2;
do
{
bRead2 = m_pFileStream->ReadByteStringLine(m_aCurrentLine,m_pConnection->getTextEncoding());
}
while(bRead2 && !m_aCurrentLine.Len());
m_nFilePos = m_pFileStream->Tell();
if (m_pFileStream->IsEof())
return sal_False;
}
return sal_True;
}
//------------------------------------------------------------------
sal_Bool OEvoabTable::seekRow(IResultSetHelper::Movement eCursorPosition, sal_Int32 nOffset, sal_Int32& nCurPos)
{
//OSL_TRACE("OEvoabTable::(before SeekRow)m_aCurrentLine = %d\n", ((OUtoCStr(::rtl::OUString(m_aCurrentLine))) ? (OUtoCStr(::rtl::OUString(m_aCurrentLine))):("NULL")) );
if ( !m_pFileStream )
return sal_False;
OEvoabConnection* pConnection = (OEvoabConnection*)m_pConnection;
// ----------------------------------------------------------
// Positionierung vorbereiten:
//OSL_TRACE("OEvoabTable::(before SeekRow,m_pFileStriam Exist)m_aCurrentLine = %d\n", ((OUtoCStr(::rtl::OUString(m_aCurrentLine))) ? (OUtoCStr(::rtl::OUString(m_aCurrentLine))):("NULL")) );
m_nFilePos = nCurPos;
switch(eCursorPosition)
{
case IResultSetHelper::FIRST:
m_nFilePos = 0;
m_nRowPos = 1;
// run through
case IResultSetHelper::NEXT:
if(eCursorPosition != IResultSetHelper::FIRST)
++m_nRowPos;
m_pFileStream->Seek(m_nFilePos);
if (m_pFileStream->IsEof() || !checkHeaderLine())
{
m_nMaxRowCount = m_nRowPos;
return sal_False;
}
m_aRowToFilePos.insert(::std::map<sal_Int32,sal_Int32>::value_type(m_nRowPos,m_nFilePos));
m_pFileStream->ReadByteStringLine(m_aCurrentLine,pConnection->getTextEncoding());
if (m_pFileStream->IsEof())
{
m_nMaxRowCount = m_nRowPos;
return sal_False;
}
nCurPos = m_pFileStream->Tell();
break;
case IResultSetHelper::PRIOR:
--m_nRowPos;
if(m_nRowPos > 0)
{
m_nFilePos = m_aRowToFilePos.find(m_nRowPos)->second;
m_pFileStream->Seek(m_nFilePos);
if (m_pFileStream->IsEof() || !checkHeaderLine())
return sal_False;
m_pFileStream->ReadByteStringLine(m_aCurrentLine,pConnection->getTextEncoding());
if (m_pFileStream->IsEof())
return sal_False;
nCurPos = m_pFileStream->Tell();
}
else
m_nRowPos = 0;
break;
break;
case IResultSetHelper::LAST:
if(m_nMaxRowCount)
{
m_nFilePos = m_aRowToFilePos.rbegin()->second;
m_nRowPos = m_aRowToFilePos.rbegin()->first;
m_pFileStream->Seek(m_nFilePos);
if (m_pFileStream->IsEof() || !checkHeaderLine())
return sal_False;
m_pFileStream->ReadByteStringLine(m_aCurrentLine,pConnection->getTextEncoding());
if (m_pFileStream->IsEof())
return sal_False;
nCurPos = m_pFileStream->Tell();
}
else
{
while(seekRow(IResultSetHelper::NEXT,1,nCurPos)) ; // run through after last row
// now I know all
seekRow(IResultSetHelper::PRIOR,1,nCurPos);
}
break;
case IResultSetHelper::RELATIVE:
if(nOffset > 0)
{
for(sal_Int32 i = 0;i<nOffset;++i)
seekRow(IResultSetHelper::NEXT,1,nCurPos);
}
else if(nOffset < 0)
{
for(sal_Int32 i = nOffset;i;++i)
seekRow(IResultSetHelper::PRIOR,1,nCurPos);
}
break;
case IResultSetHelper::ABSOLUTE:
{
if(nOffset < 0)
nOffset = m_nRowPos + nOffset;
::std::map<sal_Int32,sal_Int32>::const_iterator aIter = m_aRowToFilePos.find(nOffset);
if(aIter != m_aRowToFilePos.end())
{
m_nFilePos = aIter->second;
m_pFileStream->Seek(m_nFilePos);
if (m_pFileStream->IsEof() || !checkHeaderLine())
return sal_False;
m_pFileStream->ReadByteStringLine(m_aCurrentLine,pConnection->getTextEncoding());
if (m_pFileStream->IsEof())
return sal_False;
nCurPos = m_pFileStream->Tell();
}
else if(m_nMaxRowCount && nOffset > m_nMaxRowCount) // offset is outside the table
{
m_nRowPos = m_nMaxRowCount;
return sal_False;
}
else
{
aIter = m_aRowToFilePos.upper_bound(nOffset);
if(aIter == m_aRowToFilePos.end())
{
m_nRowPos = m_aRowToFilePos.rbegin()->first;
nCurPos = m_nFilePos = m_aRowToFilePos.rbegin()->second;
while(m_nRowPos != nOffset)
seekRow(IResultSetHelper::NEXT,1,nCurPos);
}
else
{
--aIter;
m_nRowPos = aIter->first;
m_nFilePos = aIter->second;
m_pFileStream->Seek(m_nFilePos);
if (m_pFileStream->IsEof() || !checkHeaderLine())
return sal_False;
m_pFileStream->ReadByteStringLine(m_aCurrentLine,pConnection->getTextEncoding());
if (m_pFileStream->IsEof())
return sal_False;
nCurPos = m_pFileStream->Tell();
}
}
}
break;
case IResultSetHelper::BOOKMARK:
m_pFileStream->Seek(nOffset);
if (m_pFileStream->IsEof())
return sal_False;
m_nFilePos = m_pFileStream->Tell(); // Byte-Position in der Datei merken (am ZeilenANFANG)
m_pFileStream->ReadByteStringLine(m_aCurrentLine,pConnection->getTextEncoding());
if (m_pFileStream->IsEof())
return sal_False;
nCurPos = m_pFileStream->Tell();
break;
}
//OSL_TRACE("OEvoabTable::(after SeekRow)m_aCurrentLine = %d\n", ((OUtoCStr(::rtl::OUString(m_aCurrentLine))) ? (OUtoCStr(::rtl::OUString(m_aCurrentLine))):("NULL")) );
return sal_True;
}
// -----------------------------------------------------------------------------
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