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Diffstat (limited to 'xbase64/xbfilter.cpp')
| -rwxr-xr-x | xbase64/xbfilter.cpp | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/xbase64/xbfilter.cpp b/xbase64/xbfilter.cpp deleted file mode 100755 index 104e113..0000000 --- a/xbase64/xbfilter.cpp +++ /dev/null @@ -1,231 +0,0 @@ -/* xbfilter.cpp - - Xbase project source code - - This file conatains logic for the xbfilter class. - - Copyright (C) 1997,2003 Gary A Kunkel - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program 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 program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - - Contact: - - Email: - - xdb-devel@lists.sourceforge.net - xdb-users@lists.sourceforge.net - - - Regular Mail: - - XBase Support - 149C South Main St - Keller Texas, 76248 - USA - -*/ - -#ifdef __GNU LesserG__ - #pragma implementation "xbfilter.h" -#endif - -#ifdef __WIN32__ -#include <xbase64/xbwincfg.h> -#else -#include <xbase64/xbconfig.h> -#endif - -#include <xbase64/xbase64.h> -//#include <xbase64/xbexcept.h> - -/*! \file xbfilter.cpp -*/ - -#ifdef XB_FILTERS -/************************************************************************/ -//! Constructor. -/*! - \param dbf - \param index - \param exp -*/ -xbFilter::xbFilter( xbDbf * dbf, xbIndex * index, char * exp ) -{ - xbShort rc; - Status = 0; - CurFilterRecNo = 0L; - d = dbf; - i = index; -// e = 0; - - - flExpn = new xbExpn( d->xbase ); - if(( rc = flExpn->ParseExpression( exp, d )) != XB_NO_ERROR ) - Status = rc; - else{ - if( flExpn->GetExpressionResultType() != 'L' ) - Status = XB_PARSE_ERROR; - } -} - -/***********************************************************************/ -//! Destructor. -/*! -*/ -xbFilter::~xbFilter() -{ - if( flExpn ) - delete flExpn; -} - -/***********************************************************************/ -//! Short description. -/*! -*/ -xbShort xbFilter::GetFirstFilterRec() -{ - xbShort rc; - - if( Status ) - return Status; - - if( i ) - rc = i->GetFirstKey(); - else - rc = d->GetFirstRecord(); - - while( rc == XB_NO_ERROR ){ - if(( rc = flExpn->ProcessExpression()) != XB_NO_ERROR ) - return rc; - - if( flExpn->GetIntResult() ) - { - CurFilterRecNo = d->GetCurRecNo(); - return XB_NO_ERROR; - } - if( i ) - rc = i->GetNextKey(); - else - rc = d->GetNextRecord(); - } - return rc; -} -/***********************************************************************/ -//! Short description. -/*! -*/ -xbShort xbFilter::GetLastFilterRec() -{ - xbShort rc; - - if( Status ) - return Status; - - if( i ) - rc = i->GetLastKey(); - else - rc = d->GetLastRecord(); - - while( rc == XB_NO_ERROR ){ - if(( rc = flExpn->ProcessExpression()) != XB_NO_ERROR ) - return rc; - - if( flExpn->GetIntResult() ) - { - CurFilterRecNo = d->GetCurRecNo(); - return XB_NO_ERROR; - } - if( i ) - rc = i->GetPrevKey(); - else - rc = d->GetPrevRecord(); - } - return rc; -} -/***********************************************************************/ -//! Short description. -/*! -*/ -xbShort xbFilter::GetNextFilterRec() -{ - xbShort rc; - - if( Status ) - return Status; - - if( !CurFilterRecNo ) - return GetFirstFilterRec(); - - if( i ){ - rc = i->GetNextKey(); - } - else - rc = d->GetNextRecord(); - - while( rc == XB_NO_ERROR ){ - if(( rc = flExpn->ProcessExpression()) != XB_NO_ERROR ) - return rc; - - if( flExpn->GetIntResult()) - { - CurFilterRecNo = d->GetCurRecNo(); - return XB_NO_ERROR; - } - if( i ) - rc = i->GetNextKey(); - else - rc = d->GetNextRecord(); - } - return rc; -} -/***********************************************************************/ -//! Short description. -/*! -*/ -xbShort xbFilter::GetPrevFilterRec() -{ - xbShort rc; - - if( Status ) - return Status; - - if( !CurFilterRecNo ) - return GetLastFilterRec(); - - if( i ){ - rc = i->GetPrevKey(); - } - else - rc = d->GetPrevRecord(); - - while( rc == XB_NO_ERROR ){ - if(( rc = flExpn->ProcessExpression()) != XB_NO_ERROR ) - return rc; - - if( flExpn->GetIntResult()) - { - CurFilterRecNo = d->GetCurRecNo(); - return XB_NO_ERROR; - } - if( i ) - rc = i->GetPrevKey(); - else - rc = d->GetPrevRecord(); - } - return rc; -} -/***********************************************************************/ -#endif // XB_FILTERS_ON |