kturtle/src/value.h

   1 /*
   2     Copyright (C) 2003 by Walter Schreppers
   3     Copyright (C) 2004 by Cies Breijs
   4
   5     This program is free software; you can redistribute it and/or
   6     modify it under the terms of version 2 of the GNU General Public
   7     License as published by the Free Software Foundation.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  17  */
  18
  19
  20 #ifndef _VALUE_H_
  21 #define _VALUE_H_
  22
  23 #include <qstring.h>
  24 #include <qtextstream.h>
  25
  26
  27 enum valueType
  28 {
  29         emptyValue,
  30         boolValue,
  31         numberValue,
  32         stringValue
  33 };
  34
  35 class Value
  36 {
  37         public:
  38                 Value();
  39                 Value(const Value&);
  40                 ~Value() {}
  41
  42
  43                 void resetValue() { init(); }
  44
  45                 int Type() const;
  46                 void setType(int);
  47
  48                 void setBool(bool);
  49                 bool Bool() const;
  50
  51                 double Number() const;
  52                 void setNumber(double);
  53                 bool setNumber(const QString&);
  54
  55                 QString String() const;
  56                 void setString(double);
  57                 void setString(const QString&);
  58
  59                 Value& operator=(const Value&);
  60                 Value& operator=(const QString&);
  61                 Value& operator=(double);
  62
  63                 Value& operator+(const Value&);
  64                 Value& operator-(const Value&);
  65                 Value& operator*(const Value&);
  66                 Value& operator/(const Value&);
  67
  68                 bool operator==(const Value&) const;
  69                 bool operator!=(const Value&) const;
  70                 bool operator< (const Value&) const;
  71                 bool operator<=(const Value&) const;
  72                 bool operator> (const Value&) const;
  73                 bool operator>=(const Value&) const;
  74
  75
  76         private:
  77                 void init();
  78
  79                 int      type;
  80                 bool     m_bool;
  81                 double   m_double;
  82                 QString  m_string;
  83 };
  84
  85 #endif // _VALUE_H_