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 * modification, are permitted provided that the following conditions are

 * met:

 *

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 * notice, this list of conditions and the following disclaimer.

 *     * 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.

 *     * Neither the name of Google Inc. nor the names of its

 * contributors may be used to endorse or promote products derived from

 * this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

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#ifndef V8NPUtils_h

#define V8NPUtils_h

#if PLATFORM(CHROMIUM)

#include <bindings/npruntime.h>

#else

#include "npruntime.h"

#endif

#include <v8.h>

namespace WebCore {

// Convert a V8 Value of any type (string, bool, object, etc) to a NPVariant.

void convertV8ObjectToNPVariant(v8::Local<v8::Value>, NPObject*, NPVariant*);

// Convert a NPVariant (string, bool, object, etc) back to a V8 Value.  The owner object is the NPObject which relates to the

// object, if the object is an Object.  The created NPObject will be tied to the lifetime of the owner.

v8::Handle<v8::Value> convertNPVariantToV8Object(const NPVariant*, NPObject*);

// Helper function to create an NPN String Identifier from a v8 string.

NPIdentifier getStringIdentifier(v8::Handle<v8::String>);

// The ExceptionHandler will be notified of any exceptions thrown while

// operating on a NPObject.

typedef void (*ExceptionHandler)(void* data, const NPUTF8* message);

void pushExceptionHandler(ExceptionHandler, void* data);

void popExceptionHandler();

// Upon destruction, an ExceptionCatcher will pass a caught exception to the

// current ExceptionHandler.

class ExceptionCatcher {

public:

    ExceptionCatcher();

    ~ExceptionCatcher();

private:

    v8::TryCatch m_tryCatch;

};

} // namespace WebCore

#endif // V8NPUtils_h