lib Library API Documentation

sequenceparser.h

00001 /* This file is part of the KDE project
00002    Copyright (C) 2001 Andrea Rizzi <rizzi@kde.org>
00003                   Ulrich Kuettler <ulrich.kuettler@mailbox.tu-dresden.de>
00004 
00005    This library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Library General Public
00007    License as published by the Free Software Foundation; either
00008    version 2 of the License, or (at your option) any later version.
00009 
00010    This library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Library General Public License for more details.
00014 
00015    You should have received a copy of the GNU Library General Public License
00016    along with this library; see the file COPYING.LIB.  If not, write to
00017    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00018    Boston, MA 02111-1307, USA.
00019 */
00020 
00021 #ifndef SEQUENCEPARSER_H
00022 #define SEQUENCEPARSER_H
00023 
00024 #include <qptrlist.h>
00025 #include <qstring.h>
00026 
00027 #include "kformuladefs.h"
00028 
00029 KFORMULA_NAMESPACE_BEGIN
00030 
00031 class BasicElement;
00032 class ElementType;
00033 class SymbolTable;
00034 
00035 
00039 class SequenceParser {
00040 public:
00041     SequenceParser(const SymbolTable& table);
00042 
00046     ElementType* parse(QPtrList<BasicElement>& elements);
00047 
00051     void nextToken();
00052 
00053     uint getStart() const { return tokenStart; }
00054     uint getEnd() const { return tokenEnd; }
00055     TokenType getTokenType() const { return type; }
00056 
00063     void setElementType(uint pos, ElementType* type);
00064 
00068     ElementType* getPrimitive();
00069 
00073     QString text();
00074 
00075 private:
00076 
00080     void readNumber();
00081 
00085     void readDigits();
00086 
00090     void readText();
00091 
00095     QChar getEndChar();
00096 
00101     QPtrList<BasicElement> list;
00102 
00107     uint tokenStart;
00108 
00112     uint tokenEnd;
00113 
00117     TokenType type;
00118 
00122     bool binOpAllowed;
00123 
00127     const SymbolTable& table;
00128 };
00129 
00130 KFORMULA_NAMESPACE_END
00131 
00132 #endif // SEQUENCEPARSER_H
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