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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "config.h" | 5 #include "config.h" |
6 #include "bindings/core/v8/SerializedScriptValueFactory.h" | 6 #include "bindings/core/v8/SerializedScriptValueFactory.h" |
7 | 7 |
8 #include "bindings/core/v8/ExceptionState.h" | 8 #include "bindings/core/v8/ExceptionState.h" |
9 #include "bindings/core/v8/ScriptValueSerializer.h" | 9 #include "bindings/core/v8/ScriptValueSerializer.h" |
10 #include "wtf/ByteOrder.h" | 10 #include "wtf/ByteOrder.h" |
11 #include "wtf/text/StringBuffer.h" | 11 #include "wtf/text/StringBuffer.h" |
12 | 12 |
13 namespace blink { | 13 namespace blink { |
14 | 14 |
15 SerializedScriptValueFactory* SerializedScriptValueFactory::m_instance = 0; | 15 SerializedScriptValueFactory* SerializedScriptValueFactory::m_instance = 0; |
16 | 16 |
17 PassRefPtr<SerializedScriptValue> SerializedScriptValueFactory::create(v8::Handl
e<v8::Value> value, MessagePortArray* messagePorts, ArrayBufferArray* arrayBuffe
rs, WebBlobInfoArray* blobInfo, ExceptionState& exceptionState, v8::Isolate* iso
late) | 17 PassRefPtr<SerializedScriptValue> SerializedScriptValueFactory::create(v8::Local
<v8::Value> value, MessagePortArray* messagePorts, ArrayBufferArray* arrayBuffer
s, WebBlobInfoArray* blobInfo, ExceptionState& exceptionState, v8::Isolate* isol
ate) |
18 { | 18 { |
19 RefPtr<SerializedScriptValue> serializedValue = create(); | 19 RefPtr<SerializedScriptValue> serializedValue = create(); |
20 SerializedScriptValueWriter writer; | 20 SerializedScriptValueWriter writer; |
21 ScriptValueSerializer::Status status; | 21 ScriptValueSerializer::Status status; |
22 String errorMessage; | 22 String errorMessage; |
23 { | 23 { |
24 v8::TryCatch tryCatch; | 24 v8::TryCatch tryCatch; |
25 status = doSerialize(value, writer, messagePorts, arrayBuffers, blobInfo
, serializedValue.get(), tryCatch, errorMessage, isolate); | 25 status = doSerialize(value, writer, messagePorts, arrayBuffers, blobInfo
, serializedValue.get(), tryCatch, errorMessage, isolate); |
26 if (status == ScriptValueSerializer::JSException) { | 26 if (status == ScriptValueSerializer::JSException) { |
27 // If there was a JS exception thrown, re-throw it. | 27 // If there was a JS exception thrown, re-throw it. |
(...skipping 10 matching lines...) Expand all Loading... |
38 transferData(serializedValue.get(), writer, arrayBuffers, exceptionState
, isolate); | 38 transferData(serializedValue.get(), writer, arrayBuffers, exceptionState
, isolate); |
39 return serializedValue.release(); | 39 return serializedValue.release(); |
40 case ScriptValueSerializer::JSException: | 40 case ScriptValueSerializer::JSException: |
41 ASSERT_NOT_REACHED(); | 41 ASSERT_NOT_REACHED(); |
42 break; | 42 break; |
43 } | 43 } |
44 ASSERT_NOT_REACHED(); | 44 ASSERT_NOT_REACHED(); |
45 return serializedValue.release(); | 45 return serializedValue.release(); |
46 } | 46 } |
47 | 47 |
48 PassRefPtr<SerializedScriptValue> SerializedScriptValueFactory::create(v8::Handl
e<v8::Value> value, MessagePortArray* messagePorts, ArrayBufferArray* arrayBuffe
rs, ExceptionState& exceptionState, v8::Isolate* isolate) | 48 PassRefPtr<SerializedScriptValue> SerializedScriptValueFactory::create(v8::Local
<v8::Value> value, MessagePortArray* messagePorts, ArrayBufferArray* arrayBuffer
s, ExceptionState& exceptionState, v8::Isolate* isolate) |
49 { | 49 { |
50 return create(value, messagePorts, arrayBuffers, 0, exceptionState, isolate)
; | 50 return create(value, messagePorts, arrayBuffers, 0, exceptionState, isolate)
; |
51 } | 51 } |
52 | 52 |
53 PassRefPtr<SerializedScriptValue> SerializedScriptValueFactory::createAndSwallow
Exceptions(v8::Isolate* isolate, v8::Handle<v8::Value> value) | 53 PassRefPtr<SerializedScriptValue> SerializedScriptValueFactory::createAndSwallow
Exceptions(v8::Isolate* isolate, v8::Local<v8::Value> value) |
54 { | 54 { |
55 TrackExceptionState exceptionState; | 55 TrackExceptionState exceptionState; |
56 return create(value, 0, 0, exceptionState, isolate); | 56 return create(value, 0, 0, exceptionState, isolate); |
57 } | 57 } |
58 | 58 |
59 PassRefPtr<SerializedScriptValue> SerializedScriptValueFactory::create(const Scr
iptValue& value, WebBlobInfoArray* blobInfo, ExceptionState& exceptionState, v8:
:Isolate* isolate) | 59 PassRefPtr<SerializedScriptValue> SerializedScriptValueFactory::create(const Scr
iptValue& value, WebBlobInfoArray* blobInfo, ExceptionState& exceptionState, v8:
:Isolate* isolate) |
60 { | 60 { |
61 ASSERT(isolate->InContext()); | 61 ASSERT(isolate->InContext()); |
62 return create(value.v8Value(), 0, 0, blobInfo, exceptionState, isolate); | 62 return create(value.v8Value(), 0, 0, blobInfo, exceptionState, isolate); |
63 } | 63 } |
(...skipping 38 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
102 | 102 |
103 void SerializedScriptValueFactory::transferData(SerializedScriptValue* serialize
dValue, SerializedScriptValueWriter& writer, ArrayBufferArray* arrayBuffers, Exc
eptionState& exceptionState, v8::Isolate* isolate) | 103 void SerializedScriptValueFactory::transferData(SerializedScriptValue* serialize
dValue, SerializedScriptValueWriter& writer, ArrayBufferArray* arrayBuffers, Exc
eptionState& exceptionState, v8::Isolate* isolate) |
104 { | 104 { |
105 serializedValue->setData(writer.takeWireString()); | 105 serializedValue->setData(writer.takeWireString()); |
106 ASSERT(serializedValue->data().impl()->hasOneRef()); | 106 ASSERT(serializedValue->data().impl()->hasOneRef()); |
107 if (!arrayBuffers || !arrayBuffers->size()) | 107 if (!arrayBuffers || !arrayBuffers->size()) |
108 return; | 108 return; |
109 serializedValue->transferArrayBuffers(isolate, *arrayBuffers, exceptionState
); | 109 serializedValue->transferArrayBuffers(isolate, *arrayBuffers, exceptionState
); |
110 } | 110 } |
111 | 111 |
112 ScriptValueSerializer::Status SerializedScriptValueFactory::doSerialize(v8::Hand
le<v8::Value> value, SerializedScriptValueWriter& writer, MessagePortArray* mess
agePorts, ArrayBufferArray* arrayBuffers, WebBlobInfoArray* blobInfo, Serialized
ScriptValue* serializedValue, v8::TryCatch& tryCatch, String& errorMessage, v8::
Isolate* isolate) | 112 ScriptValueSerializer::Status SerializedScriptValueFactory::doSerialize(v8::Loca
l<v8::Value> value, SerializedScriptValueWriter& writer, MessagePortArray* messa
gePorts, ArrayBufferArray* arrayBuffers, WebBlobInfoArray* blobInfo, SerializedS
criptValue* serializedValue, v8::TryCatch& tryCatch, String& errorMessage, v8::I
solate* isolate) |
113 { | 113 { |
114 return doSerialize(value, writer, messagePorts, arrayBuffers, blobInfo, seri
alizedValue->blobDataHandles(), tryCatch, errorMessage, isolate); | 114 return doSerialize(value, writer, messagePorts, arrayBuffers, blobInfo, seri
alizedValue->blobDataHandles(), tryCatch, errorMessage, isolate); |
115 } | 115 } |
116 | 116 |
117 ScriptValueSerializer::Status SerializedScriptValueFactory::doSerialize(v8::Hand
le<v8::Value> value, SerializedScriptValueWriter& writer, MessagePortArray* mess
agePorts, ArrayBufferArray* arrayBuffers, WebBlobInfoArray* blobInfo, BlobDataHa
ndleMap& blobDataHandles, v8::TryCatch& tryCatch, String& errorMessage, v8::Isol
ate* isolate) | 117 ScriptValueSerializer::Status SerializedScriptValueFactory::doSerialize(v8::Loca
l<v8::Value> value, SerializedScriptValueWriter& writer, MessagePortArray* messa
gePorts, ArrayBufferArray* arrayBuffers, WebBlobInfoArray* blobInfo, BlobDataHan
dleMap& blobDataHandles, v8::TryCatch& tryCatch, String& errorMessage, v8::Isola
te* isolate) |
118 { | 118 { |
119 ScriptValueSerializer serializer(writer, messagePorts, arrayBuffers, blobInf
o, blobDataHandles, tryCatch, ScriptState::current(isolate)); | 119 ScriptValueSerializer serializer(writer, messagePorts, arrayBuffers, blobInf
o, blobDataHandles, tryCatch, ScriptState::current(isolate)); |
120 ScriptValueSerializer::Status status = serializer.serialize(value); | 120 ScriptValueSerializer::Status status = serializer.serialize(value); |
121 errorMessage = serializer.errorMessage(); | 121 errorMessage = serializer.errorMessage(); |
122 return status; | 122 return status; |
123 } | 123 } |
124 | 124 |
125 v8::Handle<v8::Value> SerializedScriptValueFactory::deserialize(SerializedScript
Value* value, v8::Isolate* isolate, MessagePortArray* messagePorts, const WebBlo
bInfoArray* blobInfo) | 125 v8::Local<v8::Value> SerializedScriptValueFactory::deserialize(SerializedScriptV
alue* value, v8::Isolate* isolate, MessagePortArray* messagePorts, const WebBlob
InfoArray* blobInfo) |
126 { | 126 { |
127 // deserialize() can run arbitrary script (e.g., setters), which could resul
t in |this| being destroyed. | 127 // deserialize() can run arbitrary script (e.g., setters), which could resul
t in |this| being destroyed. |
128 // Holding a RefPtr ensures we are alive (along with our internal data) thro
ughout the operation. | 128 // Holding a RefPtr ensures we are alive (along with our internal data) thro
ughout the operation. |
129 RefPtr<SerializedScriptValue> protect(value); | 129 RefPtr<SerializedScriptValue> protect(value); |
130 return deserialize(value->data(), value->blobDataHandles(), value->arrayBuff
erContentsArray(), isolate, messagePorts, blobInfo); | 130 return deserialize(value->data(), value->blobDataHandles(), value->arrayBuff
erContentsArray(), isolate, messagePorts, blobInfo); |
131 } | 131 } |
132 | 132 |
133 v8::Handle<v8::Value> SerializedScriptValueFactory::deserialize(String& data, Bl
obDataHandleMap& blobDataHandles, ArrayBufferContentsArray* arrayBufferContentsA
rray, v8::Isolate* isolate, MessagePortArray* messagePorts, const WebBlobInfoArr
ay* blobInfo) | 133 v8::Local<v8::Value> SerializedScriptValueFactory::deserialize(String& data, Blo
bDataHandleMap& blobDataHandles, ArrayBufferContentsArray* arrayBufferContentsAr
ray, v8::Isolate* isolate, MessagePortArray* messagePorts, const WebBlobInfoArra
y* blobInfo) |
134 { | 134 { |
135 if (!data.impl()) | 135 if (!data.impl()) |
136 return v8::Null(isolate); | 136 return v8::Null(isolate); |
137 static_assert(sizeof(SerializedScriptValueWriter::BufferValueType) == 2, "Bu
fferValueType should be 2 bytes"); | 137 static_assert(sizeof(SerializedScriptValueWriter::BufferValueType) == 2, "Bu
fferValueType should be 2 bytes"); |
138 data.ensure16Bit(); | 138 data.ensure16Bit(); |
139 // FIXME: SerializedScriptValue shouldn't use String for its underlying | 139 // FIXME: SerializedScriptValue shouldn't use String for its underlying |
140 // storage. Instead, it should use SharedBuffer or Vector<uint8_t>. The | 140 // storage. Instead, it should use SharedBuffer or Vector<uint8_t>. The |
141 // information stored in m_data isn't even encoded in UTF-16. Instead, | 141 // information stored in m_data isn't even encoded in UTF-16. Instead, |
142 // unicode characters are encoded as UTF-8 with two code units per UChar. | 142 // unicode characters are encoded as UTF-8 with two code units per UChar. |
143 SerializedScriptValueReader reader(reinterpret_cast<const uint8_t*>(data.imp
l()->characters16()), 2 * data.length(), blobInfo, blobDataHandles, ScriptState:
:current(isolate)); | 143 SerializedScriptValueReader reader(reinterpret_cast<const uint8_t*>(data.imp
l()->characters16()), 2 * data.length(), blobInfo, blobDataHandles, ScriptState:
:current(isolate)); |
144 ScriptValueDeserializer deserializer(reader, messagePorts, arrayBufferConten
tsArray); | 144 ScriptValueDeserializer deserializer(reader, messagePorts, arrayBufferConten
tsArray); |
145 | 145 |
146 // deserialize() can run arbitrary script (e.g., setters), which could resul
t in |this| being destroyed. | 146 // deserialize() can run arbitrary script (e.g., setters), which could resul
t in |this| being destroyed. |
147 // Holding a RefPtr ensures we are alive (along with our internal data) thro
ughout the operation. | 147 // Holding a RefPtr ensures we are alive (along with our internal data) thro
ughout the operation. |
148 return deserializer.deserialize(); | 148 return deserializer.deserialize(); |
149 } | 149 } |
150 | 150 |
151 | 151 |
152 } // namespace blink | 152 } // namespace blink |
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