2 * Copyright (C) 2010 Apple Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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.
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.
27 #import "WKStringCF.h"
30 #import "WKNSString.h"
31 #import <objc/runtime.h>
32 #import <wtf/text/WTFString.h>
34 using namespace WebCore;
35 using namespace WebKit;
38 static inline Class wkNSStringClass()
40 static dispatch_once_t once;
41 static Class wkNSStringClass;
42 dispatch_once(&once, ^{
43 wkNSStringClass = [WKNSString class];
45 return wkNSStringClass;
47 #endif // WK_API_ENABLED
49 WKStringRef WKStringCreateWithCFString(CFStringRef cfString)
52 // Since WKNSString is an internal class with no subclasses, we can do a simple equality check.
53 if (object_getClass((NSString *)cfString) == wkNSStringClass()) {
54 return toAPI(static_cast<WebString*>(&[(WKNSString *)cfString retain]._apiObject));
57 String string(cfString);
58 return toCopiedAPI(string);
61 CFStringRef WKStringCopyCFString(CFAllocatorRef allocatorRef, WKStringRef stringRef)
63 ASSERT(!toImpl(stringRef)->string().isNull());
65 // NOTE: This does not use StringImpl::createCFString() since that function
66 // expects to be called on the thread running WebCore.
67 if (toImpl(stringRef)->string().is8Bit())
68 return CFStringCreateWithBytes(allocatorRef, reinterpret_cast<const UInt8*>(toImpl(stringRef)->string().characters8()), toImpl(stringRef)->string().length(), kCFStringEncodingISOLatin1, true);
69 return CFStringCreateWithCharacters(allocatorRef, reinterpret_cast<const UniChar*>(toImpl(stringRef)->string().characters16()), toImpl(stringRef)->string().length());