blob: 478d19050ebc4cc5b0dbd1a641d0aed9e26b5854 [file] [log] [blame]
/*
* Copyright (C) 2006-2017 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. ``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
* 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 <JavaScriptCore/InitializeThreading.h>
#include <string.h>
#include <wtf/MainThread.h>
@interface WebCoreSharedBufferData : NSData
{
RefPtr<const WebCore::SharedBuffer::DataSegment> sharedBufferDataSegment;
}
- (id)initWithSharedBufferDataSegment:(const WebCore::SharedBuffer::DataSegment&)dataSegment;
@end
@implementation WebCoreSharedBufferData
+ (void)initialize
{
#if !USE(WEB_THREAD)
JSC::initializeThreading();
WTF::initializeMainThreadToProcessMainThread();
#endif // !USE(WEB_THREAD)
}
- (void)dealloc
{
if (WebCoreObjCScheduleDeallocateOnMainThread([WebCoreSharedBufferData class], self))
return;
[super dealloc];
}
- (id)initWithSharedBufferDataSegment:(const WebCore::SharedBuffer::DataSegment&)dataSegment
{
self = [super init];
if (self)
sharedBufferDataSegment = &dataSegment;
return self;
}
- (NSUInteger)length
{
return sharedBufferDataSegment->size();
}
- (const void *)bytes
{
return sharedBufferDataSegment->data();
}
@end
namespace WebCore {
Ref<SharedBuffer> SharedBuffer::create(NSData *nsData)
{
return adoptRef(*new SharedBuffer((__bridge CFDataRef)nsData));
}
void SharedBuffer::append(NSData *nsData)
{
return append((__bridge CFDataRef)nsData);
}
RetainPtr<NSData> SharedBuffer::createNSData() const
{
return adoptNS((NSData *)createCFData().leakRef());
}
RetainPtr<CFDataRef> SharedBuffer::createCFData() const
{
combineIntoOneSegment();
if (!m_segments.size())
return adoptCF(CFDataCreate(nullptr, nullptr, 0));
ASSERT(m_segments.size() == 1);
return adoptCF((CFDataRef)adoptNS([[WebCoreSharedBufferData alloc] initWithSharedBufferDataSegment:m_segments[0].segment]).leakRef());
}
RefPtr<SharedBuffer> SharedBuffer::createFromReadingFile(const String& filePath)
{
NSData *resourceData = [NSData dataWithContentsOfFile:filePath];
if (resourceData)
return SharedBuffer::create(resourceData);
return nullptr;
}
RetainPtr<NSArray> SharedBuffer::createNSDataArray() const
{
auto dataArray = adoptNS([[NSMutableArray alloc] initWithCapacity:m_segments.size()]);
for (const auto& segment : m_segments)
[dataArray addObject:adoptNS([[WebCoreSharedBufferData alloc] initWithSharedBufferDataSegment:segment.segment]).get()];
return WTFMove(dataArray);
}
}