runtime/DateInstance.h

   1 /*
   2  *  Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
   3  *  Copyright (C) 2008 Apple Inc. All rights reserved.
   4  *
   5  *  This library is free software; you can redistribute it and/or
   6  *  modify it under the terms of the GNU Lesser General Public
   7  *  License as published by the Free Software Foundation; either
   8  *  version 2 of the License, or (at your option) any later version.
   9  *
  10  *  This library is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  *  Lesser General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU Lesser General Public
  16  *  License along with this library; if not, write to the Free Software
  17  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  18  *
  19  */
  20
  21 #ifndef DateInstance_h
  22 #define DateInstance_h
  23
  24 #include "JSWrapperObject.h"
  25
  26 namespace JSC {
  27
  28     struct GregorianDateTime;
  29
  30     class DateInstance : public JSWrapperObject {
  31     public:
  32         explicit DateInstance(PassRefPtr<Structure>);
  33         virtual ~DateInstance();
  34
  35         double internalNumber() const { return internalValue().uncheckedGetNumber(); }
  36
  37         bool getTime(GregorianDateTime&, int& offset) const;
  38         bool getUTCTime(GregorianDateTime&) const;
  39         bool getTime(double& milliseconds, int& offset) const;
  40         bool getUTCTime(double& milliseconds) const;
  41
  42         static const ClassInfo info;
  43
  44         void msToGregorianDateTime(double, bool outputIsUTC, GregorianDateTime&) const;
  45
  46     private:
  47         virtual const ClassInfo* classInfo() const { return &info; }
  48
  49         using JSWrapperObject::internalValue;
  50
  51         struct Cache;
  52         mutable Cache* m_cache;
  53     };
  54
  55     DateInstance* asDateInstance(JSValuePtr);
  56
  57     inline DateInstance* asDateInstance(JSValuePtr value)
  58     {
  59         ASSERT(asObject(value)->inherits(&DateInstance::info));
  60         return static_cast<DateInstance*>(asObject(value));
  61     }
  62
  63 } // namespace JSC
  64
  65 #endif // DateInstance_h