root/Source/wtf/text/AtomicStringCF.cpp

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DEFINITIONS

This source file includes following definitions.
  1. add

/*
 * Copyright (C) 2012 Apple Inc. 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. AND ITS CONTRIBUTORS ``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 ITS 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/AtomicString.h"

#if USE(CF)

#include "wtf/text/CString.h"
#include <CoreFoundation/CoreFoundation.h>

namespace WTF {

PassRefPtr<StringImpl> AtomicString::add(CFStringRef string)
{
    if (!string)
        return nullptr;

    CFIndex length = CFStringGetLength(string);

    if (const LChar* ptr = reinterpret_cast<const LChar*>(CFStringGetCStringPtr(string, kCFStringEncodingISOLatin1)))
        return add(ptr, length);

    if (const UniChar* ptr = CFStringGetCharactersPtr(string))
        return add(reinterpret_cast<const UChar*>(ptr), length);

    Vector<UniChar, 1024> ucharBuffer(length);
    CFStringGetCharacters(string, CFRangeMake(0, length), ucharBuffer.data());
    return add(reinterpret_cast<const UChar*>(ucharBuffer.data()), length);
}

} // namespace WTF

#endif // USE(CF)

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