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      1 /*
      2  * Copyright (C) 2010 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
     14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
     17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     23  * THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef WebNumber_h
     27 #define WebNumber_h
     28 
     29 #include "APIObject.h"
     30 #include <wtf/PassRefPtr.h>
     31 
     32 namespace WebKit {
     33 
     34 template<typename NumberType, APIObject::Type APIObjectType>
     35 class WebNumber : public APIObject {
     36 public:
     37     static const Type APIType = APIObjectType;
     38 
     39     static PassRefPtr<WebNumber> create(NumberType value)
     40     {
     41         return adoptRef(new WebNumber(value));
     42     }
     43 
     44     NumberType value() const { return m_value; }
     45 
     46 private:
     47     explicit WebNumber(NumberType value)
     48         : m_value(value)
     49     {
     50     }
     51 
     52     virtual Type type() const { return APIType; }
     53 
     54     const NumberType m_value;
     55 };
     56 
     57 typedef WebNumber<bool, APIObject::TypeBoolean> WebBoolean;
     58 typedef WebNumber<double, APIObject::TypeDouble> WebDouble;
     59 typedef WebNumber<uint64_t, APIObject::TypeUInt64> WebUInt64;
     60 
     61 } // namespace WebKit
     62 
     63 #endif // WebNumber_h
     64