WKURLCF.mm   [plain text]

/*
* Copyright (C) 2010 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.
*/

#import "config.h"
#import "WKURLCF.h"

#import "WKAPICast.h"
#import "WKNSURL.h"
#import <objc/runtime.h>
#import <wtf/cf/CFURLExtras.h>
#import <wtf/text/CString.h>

#if WK_API_ENABLED
static inline Class wkNSURLClass()
{
static dispatch_once_t once;
static Class wkNSURLClass;
dispatch_once(&once, ^{
wkNSURLClass = [WKNSURL class];
});
return wkNSURLClass;
}
#endif // WK_API_ENABLED

WKURLRef WKURLCreateWithCFURL(CFURLRef cfURL)
{
if (!cfURL)
return 0;

#if WK_API_ENABLED
// Since WKNSURL is an internal class with no subclasses, we can do a simple equality check.
if (object_getClass((__bridge NSURL *)cfURL) == wkNSURLClass())
return WebKit::toAPI(static_cast<API::URL*>(&[(WKNSURL *)(__bridge NSURL *)CFRetain(cfURL) _apiObject]));
#endif

CString urlBytes;
WTF::getURLBytes(cfURL, urlBytes);

return WebKit::toCopiedURLAPI(urlBytes.data());
}

CFURLRef WKURLCopyCFURL(CFAllocatorRef allocatorRef, WKURLRef URLRef)
{
ASSERT(!WebKit::toImpl(URLRef)->string().isNull());

// We first create a CString and then create the CFURL from it. This will ensure that the CFURL is stored in
// UTF-8 which uses less memory and is what WebKit clients might expect.

CString buffer = WebKit::toImpl(URLRef)->string().utf8();
return WTF::createCFURLFromBuffer(buffer.data(), buffer.length(), 0).leakRef();
}