sequenceparser.h

/* This file is part of the KDE project
   Copyright (C) 2001 Andrea Rizzi <rizzi@kde.org>
                  Ulrich Kuettler <ulrich.kuettler@mailbox.tu-dresden.de>
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
 
   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
   Library General Public License for more details.
 
   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/
 
#ifndef SEQUENCEPARSER_H
#define SEQUENCEPARSER_H
 
#include <tqptrlist.h>
#include <tqstring.h>
 
#include "kformuladefs.h"
 
KFORMULA_NAMESPACE_BEGIN
 
class BasicElement;
class ElementType;
class SymbolTable;
 

class SequenceParser {
public:
    SequenceParser(const SymbolTable& table);

    ElementType* parse(TQPtrList<BasicElement>& elements);

    void nextToken();
 
    uint getStart() const { return tokenStart; }
    uint getEnd() const { return tokenEnd; }
    TokenType getTokenType() const { return type; }

    void setElementType(uint pos, ElementType* type);

    ElementType* getPrimitive();

    TQString text();
 
private:

    void readNumber();

    void readDigits();

    void readText();

    TQChar getEndChar();

    TQPtrList<BasicElement> list;

    uint tokenStart;

    uint tokenEnd;

    TokenType type;

    bool binOpAllowed;

    const SymbolTable& table;
};
 
KFORMULA_NAMESPACE_END
 
#endif // SEQUENCEPARSER_H