objc_instance.h   [plain text]

/*
 * Copyright (C) 2003 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 _BINDINGS_OBJC_INSTANCE_H_
#define _BINDINGS_OBJC_INSTANCE_H_

#include <CoreFoundation/CoreFoundation.h>

#include <objc_class.h>
#include <objc_runtime.h>
#include <objc_utility.h>

namespace KJS {

namespace Bindings {

class ObjcClass;

class ObjcInstance : public Instance
{
public:
    ObjcInstance (ObjectStructPtr instance);
        
    ~ObjcInstance ();
    
    virtual Class *getClass() const;
    
    ObjcInstance (const ObjcInstance &other);

    ObjcInstance &operator=(const ObjcInstance &other);
    
    virtual void begin();
    virtual void end();
    
    virtual Value valueOf() const;
    virtual Value defaultValue (Type hint) const;

    virtual Value invokeMethod (ExecState *exec, const MethodList &method, const List &args);
    virtual Value invokeDefaultMethod (ExecState *exec, const List &args);

    virtual void setValueOfField (ExecState *exec, const Field *aField, const Value &aValue) const;
    virtual bool supportsSetValueOfUndefinedField ();
    virtual void setValueOfUndefinedField (ExecState *exec, const Identifier &property, const Value &aValue);
    
    virtual Value ObjcInstance::getValueOfField (ExecState *exec, const Field *aField) const;
    virtual Value getValueOfUndefinedField (ExecState *exec, const Identifier &property, Type hint) const;

    ObjectStructPtr getObject() const { return _instance; }
    
    Value stringValue() const;
    Value numberValue() const;
    Value booleanValue() const;
    
private:
    ObjectStructPtr _instance;
    mutable ObjcClass *_class;
    ObjectStructPtr _pool;
    long _beginCount;
};

} // namespace Bindings

} // namespace KJS

#endif