WebCore/bindings/v8/SerializedScriptValue.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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/*
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 * Copyright (C) 2009, 2010 Google Inc. All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions are
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 * met:
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 *
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 *     * Redistributions of source code must retain the above copyright
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 * notice, this list of conditions and the following disclaimer.
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 *     * Redistributions in binary form must reproduce the above
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 * copyright notice, this list of conditions and the following disclaimer
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 * in the documentation and/or other materials provided with the
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 * distribution.
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 *     * Neither the name of Google Inc. nor the names of its
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 * contributors may be used to endorse or promote products derived from
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 * this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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#ifndef SerializedScriptValue_h
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#define SerializedScriptValue_h
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#include "ScriptValue.h"
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#include <v8.h>
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#include <wtf/RefCounted.h>
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namespace WebCore {
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class SerializedScriptValue : public RefCounted<SerializedScriptValue> {
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public:
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    static void deserializeAndSetProperty(v8::Handle<v8::Object> object, const char* propertyName,
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                                          v8::PropertyAttribute, SerializedScriptValue*);
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    // If a serialization error occurs (e.g., cyclic input value) this
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    // function returns an empty representation, schedules a V8 exception to
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    // be thrown using v8::ThrowException(), and sets |didThrow|. In this case
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    // the caller must not invoke any V8 operations until control returns to
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    // V8. When serialization is successful, |didThrow| is false.
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    static PassRefPtr<SerializedScriptValue> create(v8::Handle<v8::Value> value, bool& didThrow);
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    static PassRefPtr<SerializedScriptValue> create(v8::Handle<v8::Value>);
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    static PassRefPtr<SerializedScriptValue> createFromWire(String data);
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    static PassRefPtr<SerializedScriptValue> create(String data);
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    static PassRefPtr<SerializedScriptValue> create();
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    PassRefPtr<SerializedScriptValue> release();
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    String toWireString() const { return m_data; }
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    // Deserializes the value (in the current context). Returns a null value in
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    // case of failure.
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    v8::Handle<v8::Value> deserialize();
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private:
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    enum StringDataMode {
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        StringValue,
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        WireData
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    };
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    SerializedScriptValue();
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    SerializedScriptValue(v8::Handle<v8::Value>, bool& didThrow);
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    SerializedScriptValue(String data, StringDataMode mode);
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    String m_data;
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};
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} // namespace WebCore
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#endif // SerializedScriptValue_h