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      1 /*
      2  * Copyright (C) 2010 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 #ifndef WebSerializedScriptValue_h
     32 #define WebSerializedScriptValue_h
     33 
     34 #include "WebCommon.h"
     35 #include "WebPrivatePtr.h"
     36 
     37 namespace WebCore { class SerializedScriptValue; }
     38 
     39 namespace WebKit {
     40 class WebString;
     41 
     42 class WebSerializedScriptValue {
     43 public:
     44     ~WebSerializedScriptValue() { reset(); }
     45 
     46     WebSerializedScriptValue() { }
     47     WebSerializedScriptValue(const WebSerializedScriptValue& d) { assign(d); }
     48     WebSerializedScriptValue& operator=(const WebSerializedScriptValue& d)
     49     {
     50         assign(d);
     51         return *this;
     52     }
     53 
     54     WEBKIT_API static WebSerializedScriptValue fromString(const WebString&);
     55 
     56     // Create a WebSerializedScriptValue that represents a serialization error.
     57     WEBKIT_API static WebSerializedScriptValue createInvalid();
     58 
     59     WEBKIT_API void reset();
     60     WEBKIT_API void assign(const WebSerializedScriptValue&);
     61 
     62     bool isNull() const { return m_private.isNull(); }
     63 
     64     // Returns a string representation of the WebSerializedScriptValue.
     65     WEBKIT_API WebString toString() const;
     66 
     67 #if WEBKIT_IMPLEMENTATION
     68     WebSerializedScriptValue(const WTF::PassRefPtr<WebCore::SerializedScriptValue>&);
     69     WebSerializedScriptValue& operator=(const WTF::PassRefPtr<WebCore::SerializedScriptValue>&);
     70     operator WTF::PassRefPtr<WebCore::SerializedScriptValue>() const;
     71 #endif
     72 
     73 private:
     74     WebPrivatePtr<WebCore::SerializedScriptValue> m_private;
     75 };
     76 
     77 } // namespace WebKit
     78 
     79 #endif
     80