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/* This file is part of the KDE project
Copyright (C) 2001 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 KFORMULACOMPATIBILITY_H
#define KFORMULACOMPATIBILITY_H
#include <tqdom.h>
#include <tqstring.h>
KFORMULA_NAMESPACE_BEGIN
/**
* Converter from the other kformula lib string
* to a loadable dom.
*/
class Compatibility {
public:
Compatibility();
/**
* Builds a kformula DOM from a old formula string.
*/
TQDomDocument buildDOM(TQString text);
private:
TQDomElement readSequence(const TQDomDocument& doc);
TQDomElement readMatrix(const TQDomDocument& doc);
void appendToSequence(TQDomElement sequence, TQDomElement element, int leftIndexSeen);
void appendNextSequence(const TQDomDocument& doc, TQDomElement element);
TQDomElement getLastSequence(const TQDomDocument& doc, TQDomElement sequence);
TQDomElement findIndexNode(const TQDomDocument& doc, TQDomElement sequence);
ushort nextToken() { return formulaString[pos++].unicode(); }
ushort lookAhead(uint i) const { return formulaString[pos+i].unicode(); }
void pushback() { pos--; }
bool hasNext() const { return pos < formulaString.length(); }
uint tokenLeft() const { return formulaString.length()-pos; }
/**
* the string we read
*/
TQString formulaString;
/**
* current pos
*/
uint pos;
};
KFORMULA_NAMESPACE_END
#endif // KFORMULACOMPATIBILITY_H
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