1 /*
2 * Copyright (C) 2012 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 #include "config.h"
27 #include "wtf/text/AtomicString.h"
28
29 #if USE(CF)
30
31 #include "wtf/text/CString.h"
32 #include <CoreFoundation/CoreFoundation.h>
33
34 namespace WTF {
35
add(CFStringRef string)36 PassRefPtr<StringImpl> AtomicString::add(CFStringRef string)
37 {
38 if (!string)
39 return 0;
40
41 CFIndex length = CFStringGetLength(string);
42
43 if (const LChar* ptr = reinterpret_cast<const LChar*>(CFStringGetCStringPtr(string, kCFStringEncodingISOLatin1)))
44 return add(ptr, length);
45
46 if (const UniChar* ptr = CFStringGetCharactersPtr(string))
47 return add(reinterpret_cast<const UChar*>(ptr), length);
48
49 Vector<UniChar, 1024> ucharBuffer(length);
50 CFStringGetCharacters(string, CFRangeMake(0, length), ucharBuffer.data());
51 return add(reinterpret_cast<const UChar*>(ucharBuffer.data()), length);
52 }
53
54 } // namespace WTF
55
56 #endif // USE(CF)
57