diff options
Diffstat (limited to 'connectivity/source/drivers/evoab/LNoException.cxx')
| -rw-r--r-- | connectivity/source/drivers/evoab/LNoException.cxx | 327 |
1 files changed, 327 insertions, 0 deletions
diff --git a/connectivity/source/drivers/evoab/LNoException.cxx b/connectivity/source/drivers/evoab/LNoException.cxx new file mode 100644 index 000000000000..183ab75559f4 --- /dev/null +++ b/connectivity/source/drivers/evoab/LNoException.cxx @@ -0,0 +1,327 @@ +/************************************************************************* + * + * 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; +} +// ----------------------------------------------------------------------------- |