| /* |
| * 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 "FoundationExtras.h" |
| #include "SharedBuffer.h" |
| #include "WebCoreObjCExtras.h" |
| #include <string.h> |
| #include <wtf/PassRefPtr.h> |
| |
| using namespace WebCore; |
| |
| @interface WebCoreSharedBufferData : NSData |
| { |
| SharedBuffer* sharedBuffer; |
| } |
| |
| - (id)initWithSharedBuffer:(SharedBuffer*)buffer; |
| @end |
| |
| @implementation WebCoreSharedBufferData |
| |
| #ifndef BUILDING_ON_TIGER |
| + (void)initialize |
| { |
| WebCoreObjCFinalizeOnMainThread(self); |
| } |
| #endif |
| |
| - (void)dealloc |
| { |
| sharedBuffer->deref(); |
| |
| [super dealloc]; |
| } |
| |
| - (void)finalize |
| { |
| sharedBuffer->deref(); |
| |
| [super finalize]; |
| } |
| |
| - (id)initWithSharedBuffer:(SharedBuffer*)buffer |
| { |
| self = [super init]; |
| |
| if (self) { |
| sharedBuffer = buffer; |
| sharedBuffer->ref(); |
| } |
| |
| return self; |
| } |
| |
| - (unsigned)length |
| { |
| return sharedBuffer->size(); |
| } |
| |
| - (const void *)bytes |
| { |
| return reinterpret_cast<const void*>(sharedBuffer->data()); |
| } |
| |
| @end |
| |
| namespace WebCore { |
| |
| PassRefPtr<SharedBuffer> SharedBuffer::wrapNSData(NSData *nsData) |
| { |
| return new SharedBuffer(nsData); |
| } |
| |
| SharedBuffer::SharedBuffer(NSData *nsData) |
| : m_nsData(nsData) |
| { |
| } |
| |
| NSData *SharedBuffer::createNSData() |
| { |
| return [[WebCoreSharedBufferData alloc] initWithSharedBuffer:this]; |
| } |
| |
| CFDataRef SharedBuffer::createCFData() |
| { |
| return (CFDataRef)HardRetainWithNSRelease([[WebCoreSharedBufferData alloc] initWithSharedBuffer:this]); |
| } |
| |
| bool SharedBuffer::hasPlatformData() const |
| { |
| return m_nsData; |
| } |
| |
| const char* SharedBuffer::platformData() const |
| { |
| return (const char*)[m_nsData.get() bytes]; |
| } |
| |
| unsigned SharedBuffer::platformDataSize() const |
| { |
| return [m_nsData.get() length]; |
| } |
| |
| void SharedBuffer::maybeTransferPlatformData() |
| { |
| if (!m_nsData) |
| return; |
| |
| ASSERT(m_buffer.size() == 0); |
| |
| m_buffer.append(reinterpret_cast<const char*>([m_nsData.get() bytes]), [m_nsData.get() length]); |
| |
| m_nsData = nil; |
| } |
| |
| void SharedBuffer::clearPlatformData() |
| { |
| m_nsData = 0; |
| } |
| |
| PassRefPtr<SharedBuffer> SharedBuffer::createWithContentsOfFile(const String& filePath) |
| { |
| NSData *resourceData = [NSData dataWithContentsOfFile:filePath]; |
| if (resourceData) |
| return SharedBuffer::wrapNSData(resourceData); |
| return 0; |
| } |
| |
| } |
| |