1/* 2 * Copyright (C) 2006 Apple Computer, Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 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. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "config.h" 27#include "SharedBuffer.h" 28 29#include "WebCoreObjCExtras.h" 30#include <runtime/InitializeThreading.h> 31#include <string.h> 32#include <wtf/PassRefPtr.h> 33 34#ifdef BUILDING_ON_TIGER 35typedef unsigned NSUInteger; 36#endif 37 38using namespace WebCore; 39 40@interface WebCoreSharedBufferData : NSData 41{ 42 RefPtr<SharedBuffer> sharedBuffer; 43} 44 45- (id)initWithSharedBuffer:(SharedBuffer*)buffer; 46@end 47 48@implementation WebCoreSharedBufferData 49 50+ (void)initialize 51{ 52 JSC::initializeThreading(); 53 WTF::initializeMainThreadToProcessMainThread(); 54#ifndef BUILDING_ON_TIGER 55 WebCoreObjCFinalizeOnMainThread(self); 56#endif 57} 58 59- (void)dealloc 60{ 61 if (WebCoreObjCScheduleDeallocateOnMainThread([WebCoreSharedBufferData class], self)) 62 return; 63 64 [super dealloc]; 65} 66 67- (void)finalize 68{ 69 [super finalize]; 70} 71 72- (id)initWithSharedBuffer:(SharedBuffer*)buffer 73{ 74 self = [super init]; 75 76 if (self) 77 sharedBuffer = buffer; 78 79 return self; 80} 81 82- (NSUInteger)length 83{ 84 return sharedBuffer->size(); 85} 86 87- (const void *)bytes 88{ 89 return reinterpret_cast<const void*>(sharedBuffer->data()); 90} 91 92@end 93 94namespace WebCore { 95 96PassRefPtr<SharedBuffer> SharedBuffer::wrapNSData(NSData *nsData) 97{ 98 return adoptRef(new SharedBuffer((CFDataRef)nsData)); 99} 100 101NSData *SharedBuffer::createNSData() 102{ 103 return [[WebCoreSharedBufferData alloc] initWithSharedBuffer:this]; 104} 105 106CFDataRef SharedBuffer::createCFData() 107{ 108 if (m_cfData) { 109 CFRetain(m_cfData.get()); 110 return m_cfData.get(); 111 } 112 113 return (CFDataRef)RetainPtr<WebCoreSharedBufferData>(AdoptNS, [[WebCoreSharedBufferData alloc] initWithSharedBuffer:this]).releaseRef(); 114} 115 116PassRefPtr<SharedBuffer> SharedBuffer::createWithContentsOfFile(const String& filePath) 117{ 118 NSData *resourceData = [NSData dataWithContentsOfFile:filePath]; 119 if (resourceData) 120 return SharedBuffer::wrapNSData(resourceData); 121 return 0; 122} 123 124} 125 126