1/*
2 * Copyright (C) 2013 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. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "JSCJSValue.h"
29
30namespace JSC {
31
32template<typename Adaptor>
33typename Adaptor::Type toNativeFromValue(JSValue value)
34{
35 if (value.isInt32())
36 return Adaptor::toNativeFromInt32(value.asInt32());
37 return Adaptor::toNativeFromDouble(value.asDouble());
38}
39
40template<typename Adaptor>
41typename Adaptor::Type toNativeFromValue(ExecState* exec, JSValue value)
42{
43 if (value.isInt32())
44 return Adaptor::toNativeFromInt32(value.asInt32());
45 if (value.isNumber())
46 return Adaptor::toNativeFromDouble(value.asDouble());
47 return Adaptor::toNativeFromDouble(value.toNumber(exec));
48}
49
50template<typename Adaptor>
51Optional<typename Adaptor::Type> toNativeFromValueWithoutCoercion(JSValue value)
52{
53 if (!value.isNumber())
54 return WTF::nullopt;
55 if (value.isInt32())
56 return Adaptor::toNativeFromInt32WithoutCoercion(value.asInt32());
57 return Adaptor::toNativeFromDoubleWithoutCoercion(value.asDouble());
58}
59
60} // namespace JSC
61