haikuwebkit/Source/WTF/wtf/text/ExternalStringImpl.cpp

58 lines
2.5 KiB
C++

/*
* Copyright (C) 2018 mce sys Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include <wtf/text/ExternalStringImpl.h>
namespace WTF {
WTF_EXPORT_PRIVATE Ref<ExternalStringImpl> ExternalStringImpl::create(const LChar* characters, unsigned length, ExternalStringImplFreeFunction&& free)
{
return adoptRef(*new ExternalStringImpl(characters, length, WTFMove(free)));
}
WTF_EXPORT_PRIVATE Ref<ExternalStringImpl> ExternalStringImpl::create(const UChar* characters, unsigned length, ExternalStringImplFreeFunction&& free)
{
return adoptRef(*new ExternalStringImpl(characters, length, WTFMove(free)));
}
ExternalStringImpl::ExternalStringImpl(const LChar* characters, unsigned length, ExternalStringImplFreeFunction&& free)
: StringImpl(characters, length, ConstructWithoutCopying)
, m_free(WTFMove(free))
{
ASSERT(m_free);
m_hashAndFlags = (m_hashAndFlags & ~s_hashMaskBufferOwnership) | BufferExternal;
}
ExternalStringImpl::ExternalStringImpl(const UChar* characters, unsigned length, ExternalStringImplFreeFunction&& free)
: StringImpl(characters, length, ConstructWithoutCopying)
, m_free(WTFMove(free))
{
ASSERT(m_free);
m_hashAndFlags = (m_hashAndFlags & ~s_hashMaskBufferOwnership) | BufferExternal;
}
} // namespace WTF