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 35 typedef unsigned NSUInteger; 36 #endif 37 38 using 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 #ifndef BUILDING_ON_TIGER 54 WebCoreObjCFinalizeOnMainThread(self); 55 #endif 56 } 57 58 - (void)dealloc 59 { 60 if (WebCoreObjCScheduleDeallocateOnMainThread([WebCoreSharedBufferData class], self)) 61 return; 62 63 [super dealloc]; 64 } 65 66 - (void)finalize 67 { 68 [super finalize]; 69 } 70 71 - (id)initWithSharedBuffer:(SharedBuffer*)buffer 72 { 73 self = [super init]; 74 75 if (self) 76 sharedBuffer = buffer; 77 78 return self; 79 } 80 81 - (NSUInteger)length 82 { 83 return sharedBuffer->size(); 84 } 85 86 - (const void *)bytes 87 { 88 return reinterpret_cast<const void*>(sharedBuffer->data()); 89 } 90 91 @end 92 93 namespace WebCore { 94 95 PassRefPtr<SharedBuffer> SharedBuffer::wrapNSData(NSData *nsData) 96 { 97 return adoptRef(new SharedBuffer((CFDataRef)nsData)); 98 } 99 100 NSData *SharedBuffer::createNSData() 101 { 102 return [[WebCoreSharedBufferData alloc] initWithSharedBuffer:this]; 103 } 104 105 CFDataRef SharedBuffer::createCFData() 106 { 107 if (m_cfData) { 108 CFRetain(m_cfData.get()); 109 return m_cfData.get(); 110 } 111 112 return (CFDataRef)RetainPtr<WebCoreSharedBufferData>(AdoptNS, [[WebCoreSharedBufferData alloc] initWithSharedBuffer:this]).releaseRef(); 113 } 114 115 PassRefPtr<SharedBuffer> SharedBuffer::createWithContentsOfFile(const String& filePath) 116 { 117 NSData *resourceData = [NSData dataWithContentsOfFile:filePath]; 118 if (resourceData) 119 return SharedBuffer::wrapNSData(resourceData); 120 return 0; 121 } 122 123 } 124 125