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75 lines
2.2 KiB
75 lines
2.2 KiB
/* This file is part of the KDE project
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Copyright (C) 2001 Ulrich Kuettler <ulrich.kuettler@mailbox.tu-dresden.de>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef KFORMULACOMPATIBILITY_H
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#define KFORMULACOMPATIBILITY_H
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#include <tqdom.h>
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#include <tqstring.h>
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KFORMULA_NAMESPACE_BEGIN
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/**
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* Converter from the other kformula lib string
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* to a loadable dom.
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*/
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class Compatibility {
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public:
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Compatibility();
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/**
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* Builds a kformula DOM from a old formula string.
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*/
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TQDomDocument buildDOM(TQString text);
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private:
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TQDomElement readSequence(const TQDomDocument& doc);
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TQDomElement readMatrix(const TQDomDocument& doc);
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void appendToSequence(TQDomElement sequence, TQDomElement element, int leftIndexSeen);
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void appendNextSequence(const TQDomDocument& doc, TQDomElement element);
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TQDomElement getLastSequence(const TQDomDocument& doc, TQDomElement sequence);
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TQDomElement findIndexNode(const TQDomDocument& doc, TQDomElement sequence);
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ushort nextToken() { return formulaString[pos++].unicode(); }
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ushort lookAhead(uint i) const { return formulaString[pos+i].unicode(); }
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void pushback() { pos--; }
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bool hasNext() const { return pos < formulaString.length(); }
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uint tokenLeft() const { return formulaString.length()-pos; }
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/**
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* the string we read
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*/
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TQString formulaString;
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/**
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* current pos
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*/
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uint pos;
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};
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KFORMULA_NAMESPACE_END
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#endif // KFORMULACOMPATIBILITY_H
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