JSClassRef.h   [plain text]

// -*- mode: c++; c-basic-offset: 4 -*-
/*
 * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#ifndef JSClassRef_h
#define JSClassRef_h

#include "JSObjectRef.h"

#include <kjs/object.h>
#include <kjs/protect.h>
#include <kjs/ustring.h>
#include <wtf/HashMap.h>

struct StaticValueEntry {
    StaticValueEntry(JSObjectGetPropertyCallback _getProperty, JSObjectSetPropertyCallback _setProperty, JSPropertyAttributes _attributes)
        : getProperty(_getProperty), setProperty(_setProperty), attributes(_attributes)
    {
    }
    
    JSObjectGetPropertyCallback getProperty;
    JSObjectSetPropertyCallback setProperty;
    JSPropertyAttributes attributes;
};

struct StaticFunctionEntry {
    StaticFunctionEntry(JSObjectCallAsFunctionCallback _callAsFunction, JSPropertyAttributes _attributes)
        : callAsFunction(_callAsFunction), attributes(_attributes)
    {
    }

    JSObjectCallAsFunctionCallback callAsFunction;
    JSPropertyAttributes attributes;
};

struct OpaqueJSClass {
    static OpaqueJSClass* create(const JSClassDefinition*);
    static OpaqueJSClass* createNoPrototype(const JSClassDefinition*);
    ~OpaqueJSClass();
    
    KJS::JSObject* prototype(JSContextRef ctx);
    
    typedef HashMap<RefPtr<KJS::UString::Rep>, StaticValueEntry*> StaticValuesTable;
    typedef HashMap<RefPtr<KJS::UString::Rep>, StaticFunctionEntry*> StaticFunctionsTable;

    unsigned refCount;

    KJS::UString className;
    OpaqueJSClass* parentClass;
    OpaqueJSClass* prototypeClass;

    StaticValuesTable* staticValues;
    StaticFunctionsTable* staticFunctions;
    
    JSObjectInitializeCallback initialize;
    JSObjectFinalizeCallback finalize;
    JSObjectHasPropertyCallback hasProperty;
    JSObjectGetPropertyCallback getProperty;
    JSObjectSetPropertyCallback setProperty;
    JSObjectDeletePropertyCallback deleteProperty;
    JSObjectGetPropertyNamesCallback getPropertyNames;
    JSObjectCallAsFunctionCallback callAsFunction;
    JSObjectCallAsConstructorCallback callAsConstructor;
    JSObjectHasInstanceCallback hasInstance;
    JSObjectConvertToTypeCallback convertToType;

private:
    OpaqueJSClass();
    OpaqueJSClass(const OpaqueJSClass&);
    OpaqueJSClass(const JSClassDefinition*, OpaqueJSClass* protoClass);
    
    friend void clearReferenceToPrototype(JSObjectRef prototype);
    KJS::JSObject* cachedPrototype;
};

#endif // JSClassRef_h