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/*************************************************************************
*
* $RCSfile: scanner.hxx,v $
*
* $Revision: 1.6 $
*
* last change: $Author: rt $ $Date: 2004-11-15 16:36:18 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef _SCANNER_HXX
#define _SCANNER_HXX
#ifndef _STRING_HXX //autogen
#include <tools/string.hxx>
#endif
#ifndef _SBERRORS_HXX
#include "sberrors.hxx"
#endif
// Der Scanner ist stand-alone, d.h. er kann von ueberallher verwendet
// werden. Eine BASIC-Instanz ist fuer Fehlermeldungen notwendig. Ohne
// BASIC werden die Fehler nur gezaehlt. Auch ist Basic notwendig, wenn
// eine erweiterte SBX-Variable zur Erkennung von Datentypen etc. verwendet
// werden soll.
class StarBASIC;
class SbiScanner
{
::rtl::OUString aBuf; // Input-Puffer
::rtl::OUString aLine; // aktuelle Zeile
const sal_Unicode* pLine; // Pointer
const sal_Unicode* pSaveLine; // Merker fuer Line
protected:
String aSym; // Symbolpuffer
String aError; // Fehler-String
SbxDataType eScanType; // evtl. Datentyp
StarBASIC* pBasic; // Instanz fuer Fehler-Callbacks
double nVal; // numerischer Wert
short nCurCol1; // aktuelle Spalte 1
short nSavedCol1; // gerettete Spalte 1
short nCol; // aktuelle Spaltennummer
short nErrors; // Anzahl Fehler
short nColLock; // Lock-Zaehler fuer Col1
INT32 nBufPos; // aktuelle Buffer-Pos
USHORT nLine; // aktuelle Zeile
USHORT nCol1, nCol2; // aktuelle 1. und 2. Spalte
BOOL bSymbol; // TRUE: Symbol gescannt
BOOL bNumber; // TRUE: Zahl gescannt
BOOL bSpaces; // TRUE: Whitespace vor Token
BOOL bErrors; // TRUE: Fehler generieren
BOOL bAbort; // TRUE: abbrechen
BOOL bHash; // TRUE: # eingelesen
BOOL bError; // TRUE: Fehler generieren
BOOL bUsedForHilite; // TRUE: Nutzung fuer Highlighting
BOOL bCompatible; // TRUE: OPTION Compatible
void GenError( SbError );
public:
SbiScanner( const ::rtl::OUString&, StarBASIC* = NULL );
~SbiScanner();
void EnableErrors() { bError = FALSE; }
BOOL IsHash() { return bHash; }
BOOL IsCompatible() { return bCompatible; }
void SetCompatible( bool b ) { bCompatible = b; } // #118206
BOOL WhiteSpace() { return bSpaces; }
short GetErrors() { return nErrors; }
short GetLine() { return nLine; }
short GetCol1() { return nCol1; }
short GetCol2() { return nCol2; }
void SetCol1( short n ) { nCol1 = n; }
StarBASIC* GetBasic() { return pBasic; }
void SaveLine(void) { pSaveLine = pLine; }
void RestoreLine(void) { pLine = pSaveLine; }
void LockColumn();
void UnlockColumn();
BOOL DoesColonFollow();
BOOL NextSym(); // naechstes Symbol lesen
const String& GetSym() { return aSym; }
SbxDataType GetType() { return eScanType; }
double GetDbl() { return nVal; }
};
class LetterTable
{
bool IsLetterTab[256];
public:
LetterTable( void );
inline bool isLetter( sal_Unicode c )
{
bool bRet = (c < 256) ? IsLetterTab[c] : isLetterUnicode( c );
return bRet;
}
bool isLetterUnicode( sal_Unicode c );
};
class BasicSimpleCharClass
{
static LetterTable aLetterTable;
public:
static BOOL isAlpha( sal_Unicode c, bool bCompatible )
{
BOOL bRet = (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')
|| (bCompatible && aLetterTable.isLetter( c ));
return bRet;
}
static BOOL isDigit( sal_Unicode c )
{
BOOL bRet = (c >= '0' && c <= '9');
return bRet;
}
static BOOL isAlphaNumeric( sal_Unicode c, bool bCompatible )
{
BOOL bRet = isDigit( c ) || isAlpha( c, bCompatible );
return bRet;
}
};
#endif
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