--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/platform/mac/SharedBufferMac.mm	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,125 @@
+/*
+ * Copyright (C) 2006 Apple Computer, 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 COMPUTER, 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 COMPUTER, 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 "SharedBuffer.h"
+
+#include "WebCoreObjCExtras.h"
+#include <runtime/InitializeThreading.h>
+#include <string.h>
+#include <wtf/PassRefPtr.h>
+
+#ifdef BUILDING_ON_TIGER
+typedef unsigned NSUInteger;
+#endif
+
+using namespace WebCore;
+
+@interface WebCoreSharedBufferData : NSData
+{
+    RefPtr<SharedBuffer> sharedBuffer;
+}
+
+- (id)initWithSharedBuffer:(SharedBuffer*)buffer;
+@end
+
+@implementation WebCoreSharedBufferData
+
++ (void)initialize
+{
+    JSC::initializeThreading();
+    WTF::initializeMainThreadToProcessMainThread();
+#ifndef BUILDING_ON_TIGER
+    WebCoreObjCFinalizeOnMainThread(self);
+#endif
+}
+
+- (void)dealloc
+{
+    if (WebCoreObjCScheduleDeallocateOnMainThread([WebCoreSharedBufferData class], self))
+        return;
+    
+    [super dealloc];
+}
+
+- (void)finalize
+{
+    [super finalize];
+}
+
+- (id)initWithSharedBuffer:(SharedBuffer*)buffer
+{
+    self = [super init];
+    
+    if (self)
+        sharedBuffer = buffer;
+    
+    return self;
+}
+
+- (NSUInteger)length
+{
+    return sharedBuffer->size();
+}
+
+- (const void *)bytes
+{
+    return reinterpret_cast<const void*>(sharedBuffer->data());
+}
+
+@end
+
+namespace WebCore {
+
+PassRefPtr<SharedBuffer> SharedBuffer::wrapNSData(NSData *nsData)
+{
+    return adoptRef(new SharedBuffer((CFDataRef)nsData));
+}
+
+NSData *SharedBuffer::createNSData()
+{    
+    return [[WebCoreSharedBufferData alloc] initWithSharedBuffer:this];
+}
+
+CFDataRef SharedBuffer::createCFData()
+{
+    if (m_cfData) {
+        CFRetain(m_cfData.get());
+        return m_cfData.get();
+    }
+    
+    return (CFDataRef)RetainPtr<WebCoreSharedBufferData>(AdoptNS, [[WebCoreSharedBufferData alloc] initWithSharedBuffer:this]).releaseRef();
+}
+
+PassRefPtr<SharedBuffer> SharedBuffer::createWithContentsOfFile(const String& filePath)
+{
+    NSData *resourceData = [NSData dataWithContentsOfFile:filePath];
+    if (resourceData) 
+        return SharedBuffer::wrapNSData(resourceData);
+    return 0;
+}
+
+}
+