diff options
Diffstat (limited to 'connectivity/source/drivers/file/quotedstring.cxx')
| -rw-r--r-- | connectivity/source/drivers/file/quotedstring.cxx | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/connectivity/source/drivers/file/quotedstring.cxx b/connectivity/source/drivers/file/quotedstring.cxx new file mode 100644 index 000000000000..9b315f8cce85 --- /dev/null +++ b/connectivity/source/drivers/file/quotedstring.cxx @@ -0,0 +1,164 @@ +/************************************************************************* + * + * 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. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_connectivity.hxx" +#include "file/quotedstring.hxx" +#include <rtl/logfile.hxx> + +namespace connectivity +{ + //================================================================== + //= QuotedTokenizedString + //================================================================== + //------------------------------------------------------------------ + xub_StrLen QuotedTokenizedString::GetTokenCount( sal_Unicode cTok, sal_Unicode cStrDel ) const + { + RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "QuotedTokenizedString::GetTokenCount" ); + const xub_StrLen nLen = m_sString.Len(); + if ( !nLen ) + 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 < nLen; ++i ) + { + const sal_Unicode cChar = m_sString.GetChar(i); + if (bStart) + { + bStart = FALSE; + // Erstes Zeichen ein String-Delimiter? + if ( cChar == cStrDel ) + { + bInString = TRUE; // dann sind wir jetzt INNERHALB des Strings! + continue; // dieses Zeichen ueberlesen! + } + } + + if (bInString) + { + // Wenn jetzt das String-Delimiter-Zeichen auftritt ... + if ( cChar == cStrDel ) + { + if ((i+1 < nLen) && (m_sString.GetChar(i+1) == cStrDel)) + { + // Verdoppeltes String-Delimiter-Zeichen: + ++i; // kein String-Ende, naechstes Zeichen ueberlesen. + } + else + { + // String-Ende + bInString = FALSE; + } + } + } // if (bInString) + else + { + // Stimmt das Tokenzeichen ueberein, dann erhoehe TokCount + if ( cChar == cTok ) + { + ++nTokCount; + bStart = TRUE; + } + } + } + //OSL_TRACE("QuotedTokenizedString::nTokCount = %d\n", ((OUtoCStr(::rtl::OUString(nTokCount))) ? (OUtoCStr(::rtl::OUString(nTokCount))):("NULL")) ); + + return nTokCount; + } + + //------------------------------------------------------------------ + void QuotedTokenizedString::GetTokenSpecial( String& _rStr,xub_StrLen& nStartPos, sal_Unicode cTok, sal_Unicode cStrDel ) const + { + RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "QuotedTokenizedString::GetTokenCount" ); + _rStr.Erase(); + const xub_StrLen nLen = m_sString.Len(); + if ( nLen ) + { + BOOL bInString = (nStartPos < nLen) && (m_sString.GetChar(nStartPos) == cStrDel); // Befinden wir uns INNERHALB eines (cStrDel delimited) String? + + // Erstes Zeichen ein String-Delimiter? + if (bInString ) + ++nStartPos; // dieses Zeichen ueberlesen! + if ( nStartPos >= nLen ) + return; + + sal_Unicode* pData = _rStr.AllocBuffer( nLen - nStartPos + 1 ); + const sal_Unicode* pStart = pData; + // Suche bis Stringende nach dem ersten nicht uebereinstimmenden Zeichen + for( xub_StrLen i = nStartPos; i < nLen; ++i ) + { + const sal_Unicode cChar = m_sString.GetChar(i); + if (bInString) + { + // Wenn jetzt das String-Delimiter-Zeichen auftritt ... + if ( cChar == cStrDel ) + { + if ((i+1 < nLen) && (m_sString.GetChar(i+1) == cStrDel)) + { + // Verdoppeltes String-Delimiter-Zeichen: + // kein String-Ende, naechstes Zeichen ueberlesen. + ++i; + *pData++ = m_sString.GetChar(i); // Zeichen gehoert zum Resultat-String + } + else + { + // String-Ende + bInString = FALSE; + *pData = 0; + } + } + else + { + *pData++ = cChar; // Zeichen gehoert zum Resultat-String + } + + } + else + { + // Stimmt das Tokenzeichen ueberein, dann erhoehe nTok + if ( cChar == cTok ) + { + // Vorzeitiger Abbruch der Schleife moeglich, denn + // wir haben, was wir wollten. + nStartPos = i+1; + break; + } + else + { + *pData++ = cChar; // Zeichen gehoert zum Resultat-String + } + } + } // for( xub_StrLen i = nStartPos; i < nLen; ++i ) + *pData = 0; + _rStr.ReleaseBufferAccess(xub_StrLen(pData - pStart)); + } + } +} |