kjs/LocalStorage.h

   1 // -*- mode: c++; c-basic-offset: 4 -*-
   2 /*
   3  *  Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
   4  *  Copyright (C) 2003, 2006, 2007, 2008 Apple Inc. All rights reserved.
   5  *  Copyright (C) 2007 Cameron Zwarich (cwzwarich@uwaterloo.ca)
   6  *  Copyright (C) 2007 Maks Orlovich
   7  *
   8  *  This library is free software; you can redistribute it and/or
   9  *  modify it under the terms of the GNU Library General Public
  10  *  License as published by the Free Software Foundation; either
  11  *  version 2 of the License, or (at your option) any later version.
  12  *
  13  *  This library is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  *  Library General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU Library General Public License
  19  *  along with this library; see the file COPYING.LIB.  If not, write to
  20  *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  21  *  Boston, MA 02110-1301, USA.
  22  *
  23  */
  24
  25 #ifndef KJS_LOCAL_STORAGE_H
  26 #define KJS_LOCAL_STORAGE_H
  27
  28 #include "kjs/global.h"
  29
  30 #ifdef HAVE_STDINT_H
  31 #include <stdint.h>   // int32_t
  32 #endif
  33 #include <wtf/Vector.h>
  34 #include <wtf/VectorTraits.h>
  35 #include "scope_chain.h" // for ScopeChainLink
  36
  37 namespace KJS {
  38     class JSValue;
  39
  40     struct LocalStorageEntry {
  41         LocalStorageEntry()
  42         {
  43         }
  44
  45         LocalStorageEntry(JSValue* v, unsigned a) :
  46             attributes(a)
  47         {
  48           val.valueVal = v;
  49         }
  50
  51         union {
  52           double   numberVal; //### TODO: use 2 entries for this on 32-bit..
  53           JSValue* valueVal;
  54           bool     boolVal;
  55           int32_t  int32Val;
  56           ScopeChainLink scopeVal;
  57         } val;
  58         unsigned attributes;
  59     };
  60
  61     typedef Vector<LocalStorageEntry, 32> LocalStorage;
  62 }
  63
  64 namespace WTF {
  65     template<> struct VectorTraits<KJS::LocalStorageEntry> : VectorTraitsBase<true, KJS::LocalStorageEntry> { };
  66 }
  67
  68 #endif // KJS_LOCAL_STORAGE_H