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/*
* Copyright (C) 2025 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "NodeInfo.h"
#include "Protected.h"
#include "WKRetainPtr.h"
#include <JavaScriptCore/APICast.h>
#include <JavaScriptCore/Strong.h>
#include <WebCore/SerializedNode.h>
#include <optional>
#include <wtf/HashMap.h>
#include <wtf/ObjectIdentifier.h>
#if PLATFORM(COCOA)
#include <wtf/RetainPtr.h>
OBJC_CLASS NSMutableArray;
OBJC_CLASS NSMutableDictionary;
#endif
#if USE(GLIB)
#include <wtf/glib/GRefPtr.h>
typedef struct _GVariant GVariant;
typedef struct _JSCValue JSCValue;
#endif
namespace API {
class Array;
class Dictionary;
class Object;
}
namespace WebKit {
struct JSObjectIDType;
using JSObjectID = ObjectIdentifier<JSObjectIDType>;
class JavaScriptEvaluationResult {
public:
enum class EmptyType : bool { Undefined, Null };
using Value = Variant<EmptyType, bool, double, String, Seconds, Vector<JSObjectID>, HashMap<JSObjectID, JSObjectID>, NodeInfo, UniqueRef<WebCore::SerializedNode>>;
JavaScriptEvaluationResult(JSObjectID, HashMap<JSObjectID, Value>&&);
static std::optional<JavaScriptEvaluationResult> extract(JSGlobalContextRef, JSValueRef);
JavaScriptEvaluationResult(JavaScriptEvaluationResult&&);
JavaScriptEvaluationResult& operator=(JavaScriptEvaluationResult&&);
~JavaScriptEvaluationResult();
JSObjectID root() const { return m_root; }
const HashMap<JSObjectID, Value>& map() const { return m_map; }
String toString() const;
#if PLATFORM(COCOA)
static std::optional<JavaScriptEvaluationResult> extract(id);
RetainPtr<id> toID();
#endif
#if USE(GLIB)
static std::optional<JavaScriptEvaluationResult> extract(GVariant*);
GRefPtr<JSCValue> toJSC();
#endif
WKRetainPtr<WKTypeRef> toWK();
RefPtr<API::Object> toAPI();
Protected<JSValueRef> toJS(JSGlobalContextRef);
private:
JavaScriptEvaluationResult(JSGlobalContextRef, JSValueRef);
#if USE(GLIB)
explicit JavaScriptEvaluationResult(GVariant*);
Value toValue(GVariant*);
JSObjectID addObjectToMap(GVariant*);
#endif
#if PLATFORM(COCOA)
JavaScriptEvaluationResult(id);
RetainPtr<id> toID(Value&&);
Value toValue(id);
JSObjectID addObjectToMap(id);
#endif
RefPtr<API::Object> toAPI(Value&&);
JSValueRef toJS(JSGlobalContextRef, Value&&);
Value toValue(JSGlobalContextRef, JSValueRef);
JSObjectID addObjectToMap(JSGlobalContextRef, JSValueRef);
#if PLATFORM(COCOA)
// Used for deserializing from IPC to ObjC
Vector<std::pair<HashMap<JSObjectID, JSObjectID>, RetainPtr<NSMutableDictionary>>> m_nsDictionaries;
Vector<std::pair<Vector<JSObjectID>, RetainPtr<NSMutableArray>>> m_nsArrays;
HashMap<JSObjectID, RetainPtr<id>> m_instantiatedNSObjects;
HashMap<RetainPtr<id>, JSObjectID> m_objectsInMap;
#endif
// Used for deserializing from IPC to WKTypeRef
HashMap<JSObjectID, RefPtr<API::Object>> m_instantiatedObjects;
Vector<std::pair<HashMap<JSObjectID, JSObjectID>, Ref<API::Dictionary>>> m_dictionaries;
Vector<std::pair<Vector<JSObjectID>, Ref<API::Array>>> m_arrays;
// Used for serializing to IPC
HashMap<Protected<JSValueRef>, JSObjectID> m_jsObjectsInMap;
std::optional<JSObjectID> m_nullObjectID;
// Used for deserializing from IPC to JS
HashMap<JSObjectID, Protected<JSValueRef>> m_instantiatedJSObjects;
Vector<std::pair<HashMap<JSObjectID, JSObjectID>, Protected<JSObjectRef>>> m_jsDictionaries;
Vector<std::pair<Vector<JSObjectID>, Protected<JSValueRef>>> m_jsArrays;
// IPC representation
HashMap<JSObjectID, Value> m_map;
JSObjectID m_root;
};
}
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