number_object.h

00001 // -*- c-basic-offset: 2 -*-
00002 /*
00003  *  This file is part of the KDE libraries
00004  *  Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
00005  *
00006  *  This library is free software; you can redistribute it and/or
00007  *  modify it under the terms of the GNU Lesser General Public
00008  *  License as published by the Free Software Foundation; either
00009  *  version 2 of the License, or (at your option) any later version.
00010  *
00011  *  This library is distributed in the hope that it will be useful,
00012  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  *  Lesser General Public License for more details.
00015  *
00016  *  You should have received a copy of the GNU Lesser General Public
00017  *  License along with this library; if not, write to the Free Software
00018  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
00019  *
00020  */
00021 
00022 #ifndef _NUMBER_OBJECT_H_
00023 #define _NUMBER_OBJECT_H_
00024 
00025 #include "internal.h"
00026 #include "function_object.h"
00027 
00028 namespace KJS {
00029 
00030   class NumberInstanceImp : public ObjectImp {
00031   public:
00032     NumberInstanceImp(ObjectImp *proto);
00033 
00034     virtual const ClassInfo *classInfo() const { return &info; }
00035     static const ClassInfo info;
00036   };
00037 
00044   class NumberPrototypeImp : public NumberInstanceImp {
00045   public:
00046     NumberPrototypeImp(ExecState *exec,
00047                        ObjectPrototypeImp *objProto,
00048                        FunctionPrototypeImp *funcProto);
00049   };
00050 
00057   class NumberProtoFuncImp : public InternalFunctionImp {
00058   public:
00059     NumberProtoFuncImp(ExecState *exec, FunctionPrototypeImp *funcProto,
00060                        int i, int len, const Identifier &_ident);
00061 
00062     virtual bool implementsCall() const;
00063     virtual Value call(ExecState *exec, Object &thisObj, const List &args);
00064 
00065     enum { ToString, ToLocaleString, ValueOf, ToFixed, ToExponential, ToPrecision };
00066   private:
00067     int id;
00068   };
00069 
00075   class NumberObjectImp : public InternalFunctionImp {
00076   public:
00077     NumberObjectImp(ExecState *exec,
00078                     FunctionPrototypeImp *funcProto,
00079                     NumberPrototypeImp *numberProto);
00080 
00081     virtual bool implementsConstruct() const;
00082     virtual Object construct(ExecState *exec, const List &args);
00083 
00084     virtual bool implementsCall() const;
00085     virtual Value call(ExecState *exec, Object &thisObj, const List &args);
00086 
00087     Value get(ExecState *exec, const Identifier &p) const;
00088     Value getValueProperty(ExecState *exec, int token) const;
00089     virtual const ClassInfo *classInfo() const { return &info; }
00090     static const ClassInfo info;
00091     enum { NaNValue, NegInfinity, PosInfinity, MaxValue, MinValue };
00092 
00093     Completion execute(const List &);
00094     Object construct(const List &);
00095   };
00096 
00097 } // namespace
00098 
00099 #endif
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