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      1 /*
      2  * Copyright (C) 2009 Apple 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 #import "WebSerializedJSValuePrivate.h"
     26 
     27 #import <WebCore/SerializedScriptValue.h>
     28 #import <wtf/RefPtr.h>
     29 
     30 using namespace WebCore;
     31 
     32 @interface WebSerializedJSValuePrivate : NSObject {
     33 @public
     34     RefPtr<SerializedScriptValue> value;
     35 }
     36 @end
     37 
     38 @implementation WebSerializedJSValuePrivate
     39 @end
     40 
     41 @implementation WebSerializedJSValue
     42 
     43 - (id)initWithValue:(JSValueRef)value context:(JSContextRef)sourceContext exception:(JSValueRef*)exception
     44 {
     45     ASSERT_ARG(value, value);
     46     ASSERT_ARG(sourceContext, sourceContext);
     47 
     48     if (!value || !sourceContext) {
     49         [self release];
     50         return nil;
     51     }
     52 
     53     self = [super init];
     54     if (!self)
     55         return nil;
     56 
     57     _private = [[WebSerializedJSValuePrivate alloc] init];
     58 
     59     _private->value = SerializedScriptValue::create(sourceContext, value, exception);
     60     if (!_private->value) {
     61         [self release];
     62         return nil;
     63     }
     64 
     65     return self;
     66 }
     67 
     68 - (id)initWithInternalRepresentation:(void *)internalRepresenatation
     69 {
     70     ASSERT_ARG(internalRepresenatation, internalRepresenatation);
     71 
     72     if (!internalRepresenatation) {
     73         [self release];
     74         return nil;
     75     }
     76 
     77     self = [super init];
     78     if (!self)
     79         return nil;
     80 
     81     _private = [[WebSerializedJSValuePrivate alloc] init];
     82 
     83     _private->value = ((SerializedScriptValue*)internalRepresenatation);
     84     if (!_private->value) {
     85         [self release];
     86         return nil;
     87     }
     88 
     89     return self;
     90 }
     91 
     92 - (JSValueRef)deserialize:(JSContextRef)destinationContext
     93 {
     94     if (!_private || !_private->value)
     95         return 0;
     96     return _private->value->deserialize(destinationContext, 0);
     97 }
     98 
     99 - (void)dealloc
    100 {
    101     [_private release];
    102     _private = nil;
    103     [super dealloc];
    104 }
    105 
    106 - (void*)internalRepresentation
    107 {
    108     if (!_private)
    109         return 0;
    110     return _private->value.get();
    111 }
    112 
    113 @end
    114 
    115