1/*
2 * Copyright (C) 2018 mce sys Ltd. 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#include "config.h"
27#include <wtf/text/ExternalStringImpl.h>
28
29namespace WTF {
30
31WTF_EXPORT_PRIVATE Ref<ExternalStringImpl> ExternalStringImpl::create(const LChar* characters, unsigned length, ExternalStringImplFreeFunction&& free)
32{
33 return adoptRef(*new ExternalStringImpl(characters, length, WTFMove(free)));
34}
35
36WTF_EXPORT_PRIVATE Ref<ExternalStringImpl> ExternalStringImpl::create(const UChar* characters, unsigned length, ExternalStringImplFreeFunction&& free)
37{
38 return adoptRef(*new ExternalStringImpl(characters, length, WTFMove(free)));
39}
40
41ExternalStringImpl::ExternalStringImpl(const LChar* characters, unsigned length, ExternalStringImplFreeFunction&& free)
42 : StringImpl(characters, length, ConstructWithoutCopying)
43 , m_free(WTFMove(free))
44{
45 ASSERT(m_free);
46 m_hashAndFlags = (m_hashAndFlags & ~s_hashMaskBufferOwnership) | BufferExternal;
47}
48
49ExternalStringImpl::ExternalStringImpl(const UChar* characters, unsigned length, ExternalStringImplFreeFunction&& free)
50 : StringImpl(characters, length, ConstructWithoutCopying)
51 , m_free(WTFMove(free))
52{
53 ASSERT(m_free);
54 m_hashAndFlags = (m_hashAndFlags & ~s_hashMaskBufferOwnership) | BufferExternal;
55}
56
57} // namespace WTF
58