kjs/number_object.h

   1 // -*- c-basic-offset: 2 -*-
   2 /*
   3  *  This file is part of the KDE libraries
   4  *  Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
   5  *
   6  *  This library is free software; you can redistribute it and/or
   7  *  modify it under the terms of the GNU Lesser General Public
   8  *  License as published by the Free Software Foundation; either
   9  *  version 2 of the License, or (at your option) any later version.
  10  *
  11  *  This library is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  *  Lesser General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU Lesser General Public
  17  *  License along with this library; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifndef NUMBER_OBJECT_H_
  23 #define NUMBER_OBJECT_H_
  24
  25 #include "function_object.h"
  26 #include "JSWrapperObject.h"
  27
  28 namespace KJS {
  29
  30     class NumberInstance : public JSWrapperObject {
  31     public:
  32         NumberInstance(JSObject* prototype);
  33
  34         virtual const ClassInfo* classInfo() const { return &info; }
  35         static const ClassInfo info;
  36     };
  37
  38     /**
  39      * @internal
  40      *
  41      * The initial value of Number.prototype (and thus all objects created
  42      * with the Number constructor
  43      */
  44     class NumberPrototype : public NumberInstance {
  45     public:
  46         NumberPrototype(ExecState*, ObjectPrototype*, FunctionPrototype*);
  47     };
  48
  49     /**
  50      * @internal
  51      *
  52      * The initial value of the the global variable's "Number" property
  53      */
  54     class NumberObjectImp : public InternalFunctionImp {
  55     public:
  56         NumberObjectImp(ExecState*, FunctionPrototype*, NumberPrototype*);
  57
  58         virtual bool implementsConstruct() const;
  59         virtual JSObject* construct(ExecState*, const List&);
  60
  61         virtual JSValue* callAsFunction(ExecState*, JSObject*, const List&);
  62
  63         bool getOwnPropertySlot(ExecState*, const Identifier&, PropertySlot&);
  64         JSValue* getValueProperty(ExecState*, int token) const;
  65
  66         virtual const ClassInfo* classInfo() const { return &info; }
  67         static const ClassInfo info;
  68
  69         enum { NaNValue, NegInfinity, PosInfinity, MaxValue, MinValue };
  70
  71         JSObject* construct(const List&);
  72     };
  73
  74 } // namespace KJS
  75
  76 #endif // NUMBER_OBJECT_H_