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 APINumber_h
27#define APINumber_h
28
29#include "APIObject.h"
30#include "Decoder.h"
31#include "Encoder.h"
32
33namespace API {
34
35template<typename NumberType, API::Object::Type APIObjectType>
36class Number : public ObjectImpl<APIObjectType> {
37public:
38 static Ref<Number> create(NumberType value)
39 {
40 return adoptRef(*new Number(value));
41 }
42
43 NumberType value() const { return m_value; }
44
45 void encode(IPC::Encoder& encoder) const
46 {
47 encoder << m_value;
48 }
49
50 static bool decode(IPC::Decoder& decoder, RefPtr<Object>& result)
51 {
52 NumberType value;
53 if (!decoder.decode(value))
54 return false;
55
56 result = Number::create(value);
57 return true;
58 }
59
60private:
61 explicit Number(NumberType value)
62 : m_value(value)
63 {
64 }
65
66 const NumberType m_value;
67};
68
69typedef Number<bool, API::Object::Type::Boolean> Boolean;
70typedef Number<double, API::Object::Type::Double> Double;
71typedef Number<uint64_t, API::Object::Type::UInt64> UInt64;
72typedef Number<int64_t, API::Object::Type::Int64> Int64;
73
74} // namespace API
75
76#endif // APINumber_h
77