date_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 _DATE_OBJECT_H_
00023 #define _DATE_OBJECT_H_
00024 
00025 #include "internal.h"
00026 #include "function_object.h"
00027 
00028 namespace KJS {
00029 
00030   class DateInstanceImp : public ObjectImp {
00031   public:
00032     DateInstanceImp(ObjectImp *proto);
00033 
00034     virtual const ClassInfo *classInfo() const { return &info; }
00035     static const ClassInfo info;
00036   };
00037 
00044   class DatePrototypeImp : public DateInstanceImp {
00045   public:
00046     DatePrototypeImp(ExecState *exec, ObjectPrototypeImp *objectProto);
00047     Value get(ExecState *exec, const Identifier &p) const;
00048     virtual const ClassInfo *classInfo() const { return &info; }
00049     static const ClassInfo info;
00050   };
00051 
00058   class DateProtoFuncImp : public InternalFunctionImp {
00059   public:
00060     DateProtoFuncImp(ExecState *exec, int i, int len);
00061 
00062     virtual bool implementsCall() const;
00063     virtual Value call(ExecState *exec, Object &thisObj, const List &args);
00064 
00065 
00066     Completion execute(const List &);
00067     enum { ToString, ToDateString, ToTimeString, ToLocaleString,
00068        ToLocaleDateString, ToLocaleTimeString, ValueOf, GetTime,
00069        GetFullYear, GetMonth, GetDate, GetDay, GetHours, GetMinutes,
00070        GetSeconds, GetMilliSeconds, GetTimezoneOffset, SetTime,
00071        SetMilliSeconds, SetSeconds, SetMinutes, SetHours, SetDate,
00072        SetMonth, SetFullYear, ToUTCString,
00073        // non-normative properties (Appendix B)
00074        GetYear, SetYear, ToGMTString };
00075   private:
00076     int id;
00077     bool utc;
00078   };
00079 
00085   class DateObjectImp : public InternalFunctionImp {
00086   public:
00087     DateObjectImp(ExecState *exec,
00088                   FunctionPrototypeImp *funcProto,
00089                   DatePrototypeImp *dateProto);
00090 
00091     virtual bool implementsConstruct() const;
00092     virtual Object construct(ExecState *exec, const List &args);
00093     virtual bool implementsCall() const;
00094     virtual Value call(ExecState *exec, Object &thisObj, const List &args);
00095 
00096     Completion execute(const List &);
00097     Object construct(const List &);
00098   };
00099 
00106   class DateObjectFuncImp : public InternalFunctionImp {
00107   public:
00108     DateObjectFuncImp(ExecState *exec, FunctionPrototypeImp *funcProto,
00109                       int i, int len);
00110 
00111     virtual bool implementsCall() const;
00112     virtual Value call(ExecState *exec, Object &thisObj, const List &args);
00113 
00114     enum { Parse, UTC };
00115   private:
00116     int id;
00117   };
00118 
00119   // helper functions
00120   double parseDate(const UString &u);
00121   double KRFCDate_parseDate(const UString &_date);
00122   double timeClip(double t);
00123   double makeTime(struct tm *t, double milli, bool utc);
00124 
00125 } // namespace
00126 
00127 #endif
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