/*

 * Copyright (C) 2006, 2007 Apple 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 MarshallingHelpers_H

#define MarshallingHelpers_H

#include <CoreFoundation/CoreFoundation.h>

namespace WebCore {

    class IntRect;

    class KURL;

    class String;

}

class MarshallingHelpers

{

public:

    static WebCore::KURL BSTRToKURL(BSTR);

    static BSTR KURLToBSTR(const WebCore::KURL&);

    static CFURLRef PathStringToFileCFURLRef(const WebCore::String&);

    static WebCore::String FileCFURLRefToPathString(CFURLRef fileURL);

    static CFURLRef BSTRToCFURLRef(BSTR);

    static CFStringRef BSTRToCFStringRef(BSTR);

    static CFStringRef LPCOLESTRToCFStringRef(LPCOLESTR);

    static BSTR CFStringRefToBSTR(CFStringRef);

    static int CFNumberRefToInt(CFNumberRef);

    static CFNumberRef intToCFNumberRef(int);

    static CFAbsoluteTime DATEToCFAbsoluteTime(DATE);

    static DATE CFAbsoluteTimeToDATE(CFAbsoluteTime);

    static SAFEARRAY* stringArrayToSafeArray(CFArrayRef);

    static SAFEARRAY* intArrayToSafeArray(CFArrayRef);

    static SAFEARRAY* intRectToSafeArray(const WebCore::IntRect&);

    static SAFEARRAY* iunknownArrayToSafeArray(CFArrayRef);

    static CFArrayRef safeArrayToStringArray(SAFEARRAY*);

    static CFArrayRef safeArrayToIntArray(SAFEARRAY*);

    static CFArrayRef safeArrayToIUnknownArray(SAFEARRAY*);

    static const void* IUnknownRetainCallback(CFAllocatorRef, const void*);

    static void IUnknownReleaseCallback(CFAllocatorRef, const void*);

    static CFArrayCallBacks kIUnknownArrayCallBacks;

    static CFDictionaryValueCallBacks kIUnknownDictionaryValueCallBacks;

private:

    static CFAbsoluteTime MarshallingHelpers::windowsEpochAbsoluteTime();

private:

    MarshallingHelpers();

    ~MarshallingHelpers();

};

#endif