1 /* 2 * Copyright (C) 2011 Google 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 INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25 #include "config.h" 26 #include "bindings/v8/custom/V8ArrayBufferViewCustom.h" 27 28 #include "bindings/v8/custom/V8DataViewCustom.h" 29 #include "bindings/v8/custom/V8Float32ArrayCustom.h" 30 #include "bindings/v8/custom/V8Float64ArrayCustom.h" 31 #include "bindings/v8/custom/V8Int16ArrayCustom.h" 32 #include "bindings/v8/custom/V8Int32ArrayCustom.h" 33 #include "bindings/v8/custom/V8Int8ArrayCustom.h" 34 #include "bindings/v8/custom/V8Uint16ArrayCustom.h" 35 #include "bindings/v8/custom/V8Uint32ArrayCustom.h" 36 #include "bindings/v8/custom/V8Uint8ArrayCustom.h" 37 #include "bindings/v8/custom/V8Uint8ClampedArrayCustom.h" 38 #include <v8.h> 39 40 namespace WebCore { 41 42 using namespace WTF; 43 44 ArrayBufferView* V8ArrayBufferView::toNative(v8::Handle<v8::Object> object) 45 { 46 ASSERT(object->IsArrayBufferView()); 47 void* viewPtr = object->GetAlignedPointerFromInternalField(v8DOMWrapperObjectIndex); 48 if (viewPtr) 49 return reinterpret_cast<ArrayBufferView*>(viewPtr); 50 51 if (object->IsUint8Array()) { 52 return V8Uint8Array::toNative(object); 53 } 54 if (object->IsInt8Array()) { 55 return V8Int8Array::toNative(object); 56 } 57 if (object->IsUint16Array()) { 58 return V8Uint16Array::toNative(object); 59 } 60 if (object->IsInt16Array()) { 61 return V8Int16Array::toNative(object); 62 } 63 if (object->IsUint32Array()) { 64 return V8Uint32Array::toNative(object); 65 } 66 if (object->IsInt32Array()) { 67 return V8Int32Array::toNative(object); 68 } 69 if (object->IsFloat32Array()) { 70 return V8Float32Array::toNative(object); 71 } 72 if (object->IsFloat64Array()) { 73 return V8Float64Array::toNative(object); 74 } 75 if (object->IsUint8ClampedArray()) { 76 return V8Uint8ClampedArray::toNative(object); 77 } 78 if (object->IsDataView()) { 79 return V8DataView::toNative(object); 80 } 81 ASSERT_NOT_REACHED(); 82 return 0; 83 } 84 85 ArrayBufferView* V8ArrayBufferView::toNativeWithTypeCheck(v8::Isolate* isolate, v8::Handle<v8::Value> value) 86 { 87 return V8ArrayBufferView::hasInstance(value, isolate) ? V8ArrayBufferView::toNative(v8::Handle<v8::Object>::Cast(value)) : 0; 88 } 89 90 } // namespace WebCore 91
