valueparser.h

/* This file is part of the KDE project
   Copyright 2004 Tomas Mecir <mecirt@gmail.com>
   Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
 
   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 KSPREAD_VALUEPARSER
#define KSPREAD_VALUEPARSER
 
#include <tqdatetime.h>
 
#include "kspread_global.h"
 
class TDELocale;
 
namespace KSpread
{
class Cell;
class Value;

 
class ValueParser {
 public:
  ValueParser (TDELocale *locale);
  
  TDELocale* locale();
  
  void parse (const TQString& str, Cell *cell);

  Value parse (const TQString &str);
  
  Value tryParseBool (const TQString& str, bool *ok = 0);
  Value tryParseNumber (const TQString& str, bool *ok = 0);
  Value tryParseDate (const TQString& str, bool *ok = 0);
  Value tryParseTime (const TQString& str, bool *ok = 0);
 protected:
 
  TDELocale* parserLocale;
 
  // Try to parse the text as a bool/number/date/time/etc.
  // Helpers for parse.
  bool tryParseBool (const TQString& str, Cell *cell);
  bool tryParseNumber (const TQString& str, Cell *cell);
  bool tryParseDate (const TQString& str, Cell *cell);
  bool tryParseTime (const TQString& str, Cell *cell);
  
  TQDateTime readTime (const TQString & intstr, bool withSeconds, bool *ok,
      bool & duration);

  double readNumber(const TQString &_str, bool * ok, bool * isInt);
  int readInt (const TQString &str, uint &pos);
  FormatType fmtType;
};
 
 
}  //namespace KSpread
 
 
#endif  //KSPREAD_VALUEPARSER