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| 1 /* | |
| 2 * Copyright (C) 2013 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 are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #include "config.h" | |
| 32 #include "bindings/v8/custom/V8BlobCustomHelpers.h" | |
| 33 | |
| 34 #include "bindings/core/v8/V8Blob.h" | |
| 35 #include "bindings/v8/Dictionary.h" | |
| 36 #include "bindings/v8/ExceptionState.h" | |
| 37 #include "bindings/v8/V8Binding.h" | |
| 38 #include "bindings/v8/custom/V8ArrayBufferCustom.h" | |
| 39 #include "bindings/v8/custom/V8ArrayBufferViewCustom.h" | |
| 40 #include "wtf/DateMath.h" | |
| 41 | |
| 42 namespace WebCore { | |
| 43 | |
| 44 namespace V8BlobCustomHelpers { | |
| 45 | |
| 46 ParsedProperties::ParsedProperties(bool hasFileProperties) | |
| 47 : m_normalizeLineEndingsToNative(false) | |
| 48 , m_hasFileProperties(hasFileProperties) | |
| 49 #ifndef NDEBUG | |
| 50 , m_hasLastModified(false) | |
| 51 #endif // NDEBUG | |
| 52 { | |
| 53 } | |
| 54 | |
| 55 void ParsedProperties::setLastModified(double lastModified) | |
| 56 { | |
| 57 ASSERT(m_hasFileProperties); | |
| 58 ASSERT(!m_hasLastModified); | |
| 59 m_lastModified = lastModified; | |
| 60 #ifndef NDEBUG | |
| 61 m_hasLastModified = true; | |
| 62 #endif // NDEBUG | |
| 63 } | |
| 64 | |
| 65 void ParsedProperties::setDefaultLastModified() | |
| 66 { | |
| 67 setLastModified(currentTime()); | |
| 68 } | |
| 69 | |
| 70 bool ParsedProperties::parseBlobPropertyBag(v8::Local<v8::Value> propertyBag, co
nst char* blobClassName, ExceptionState& exceptionState, v8::Isolate* isolate) | |
| 71 { | |
| 72 TONATIVE_DEFAULT(Dictionary, dictionary, Dictionary(propertyBag, isolate), f
alse); | |
| 73 | |
| 74 String endings; | |
| 75 TONATIVE_DEFAULT(bool, containsEndings, dictionary.get("endings", endings),
false); | |
| 76 if (containsEndings) { | |
| 77 if (endings != "transparent" && endings != "native") { | |
| 78 exceptionState.throwTypeError("The 'endings' property must be either
'transparent' or 'native'."); | |
| 79 return false; | |
| 80 } | |
| 81 if (endings == "native") | |
| 82 m_normalizeLineEndingsToNative = true; | |
| 83 } | |
| 84 | |
| 85 TONATIVE_DEFAULT(bool, containsType, dictionary.get("type", m_contentType),
false); | |
| 86 if (containsType) { | |
| 87 if (!m_contentType.containsOnlyASCII()) { | |
| 88 exceptionState.throwDOMException(SyntaxError, "The 'type' property m
ust consist of ASCII characters."); | |
| 89 return false; | |
| 90 } | |
| 91 m_contentType = m_contentType.lower(); | |
| 92 } | |
| 93 | |
| 94 if (!m_hasFileProperties) | |
| 95 return true; | |
| 96 | |
| 97 v8::Local<v8::Value> lastModified; | |
| 98 TONATIVE_DEFAULT(bool, containsLastModified, dictionary.get("lastModified",
lastModified), false); | |
| 99 if (containsLastModified) { | |
| 100 TONATIVE_DEFAULT(long long, lastModifiedInt, toInt64(lastModified), fals
e); | |
| 101 setLastModified(static_cast<double>(lastModifiedInt) / msPerSecond); | |
| 102 } else { | |
| 103 setDefaultLastModified(); | |
| 104 } | |
| 105 | |
| 106 return true; | |
| 107 } | |
| 108 | |
| 109 bool processBlobParts(v8::Local<v8::Object> blobParts, uint32_t blobPartsLength,
bool normalizeLineEndingsToNative, BlobData& blobData, v8::Isolate* isolate) | |
| 110 { | |
| 111 for (uint32_t i = 0; i < blobPartsLength; ++i) { | |
| 112 v8::Local<v8::Value> item = blobParts->Get(v8::Uint32::New(isolate, i)); | |
| 113 if (item.IsEmpty()) | |
| 114 return false; | |
| 115 | |
| 116 if (V8ArrayBuffer::hasInstance(item, isolate)) { | |
| 117 ArrayBuffer* arrayBuffer = V8ArrayBuffer::toNative(v8::Handle<v8::Ob
ject>::Cast(item)); | |
| 118 ASSERT(arrayBuffer); | |
| 119 blobData.appendArrayBuffer(arrayBuffer); | |
| 120 } else if (V8ArrayBufferView::hasInstance(item, isolate)) { | |
| 121 ArrayBufferView* arrayBufferView = V8ArrayBufferView::toNative(v8::H
andle<v8::Object>::Cast(item)); | |
| 122 ASSERT(arrayBufferView); | |
| 123 blobData.appendArrayBufferView(arrayBufferView); | |
| 124 } else if (V8Blob::hasInstance(item, isolate)) { | |
| 125 Blob* blob = V8Blob::toNative(v8::Handle<v8::Object>::Cast(item)); | |
| 126 ASSERT(blob); | |
| 127 blob->appendTo(blobData); | |
| 128 } else { | |
| 129 TOSTRING_DEFAULT(V8StringResource<>, stringValue, item, false); | |
| 130 blobData.appendText(stringValue, normalizeLineEndingsToNative); | |
| 131 } | |
| 132 } | |
| 133 return true; | |
| 134 } | |
| 135 | |
| 136 } // namespace V8BlobCustomHelpers | |
| 137 | |
| 138 } // namespace WebCore | |
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