API/JSClassRef.h

   1 // -*- mode: c++; c-basic-offset: 4 -*-
   2 /*
   3  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  21  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  22  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 #ifndef JSClassRef_h
  28 #define JSClassRef_h
  29
  30 #include "JSObjectRef.h"
  31
  32 #include <kjs/object.h>
  33 #include <kjs/protect.h>
  34 #include <kjs/ustring.h>
  35 #include <wtf/HashMap.h>
  36 #include <wtf/RefCounted.h>
  37
  38 struct StaticValueEntry {
  39     StaticValueEntry(JSObjectGetPropertyCallback _getProperty, JSObjectSetPropertyCallback _setProperty, JSPropertyAttributes _attributes)
  40         : getProperty(_getProperty), setProperty(_setProperty), attributes(_attributes)
  41     {
  42     }
  43
  44     JSObjectGetPropertyCallback getProperty;
  45     JSObjectSetPropertyCallback setProperty;
  46     JSPropertyAttributes attributes;
  47 };
  48
  49 struct StaticFunctionEntry {
  50     StaticFunctionEntry(JSObjectCallAsFunctionCallback _callAsFunction, JSPropertyAttributes _attributes)
  51         : callAsFunction(_callAsFunction), attributes(_attributes)
  52     {
  53     }
  54
  55     JSObjectCallAsFunctionCallback callAsFunction;
  56     JSPropertyAttributes attributes;
  57 };
  58
  59 struct OpaqueJSClass : public RefCounted<OpaqueJSClass> {
  60     static OpaqueJSClass* create(const JSClassDefinition*);
  61     static OpaqueJSClass* createNoAutomaticPrototype(const JSClassDefinition*);
  62     ~OpaqueJSClass();
  63
  64     KJS::JSObject* prototype(JSContextRef ctx);
  65
  66     typedef HashMap<RefPtr<KJS::UString::Rep>, StaticValueEntry*> StaticValuesTable;
  67     typedef HashMap<RefPtr<KJS::UString::Rep>, StaticFunctionEntry*> StaticFunctionsTable;
  68
  69     KJS::UString className;
  70     OpaqueJSClass* parentClass;
  71     OpaqueJSClass* prototypeClass;
  72
  73     StaticValuesTable* staticValues;
  74     StaticFunctionsTable* staticFunctions;
  75
  76     JSObjectInitializeCallback initialize;
  77     JSObjectFinalizeCallback finalize;
  78     JSObjectHasPropertyCallback hasProperty;
  79     JSObjectGetPropertyCallback getProperty;
  80     JSObjectSetPropertyCallback setProperty;
  81     JSObjectDeletePropertyCallback deleteProperty;
  82     JSObjectGetPropertyNamesCallback getPropertyNames;
  83     JSObjectCallAsFunctionCallback callAsFunction;
  84     JSObjectCallAsConstructorCallback callAsConstructor;
  85     JSObjectHasInstanceCallback hasInstance;
  86     JSObjectConvertToTypeCallback convertToType;
  87
  88 private:
  89     OpaqueJSClass();
  90     OpaqueJSClass(const OpaqueJSClass&);
  91     OpaqueJSClass(const JSClassDefinition*, OpaqueJSClass* protoClass);
  92
  93     friend void clearReferenceToPrototype(JSObjectRef prototype);
  94     KJS::JSObject* cachedPrototype;
  95 };
  96
  97 #endif // JSClassRef_h