bool VJSStructuredClone::_IsSerializable (XBOX::VJSValue inValue)
{
xbox_assert(inValue.IsObject());
XBOX::VJSObject object = inValue.GetObject();
if (object.HasProperty("constructorName") && object.GetProperty("constructorName").IsString()
&& object.HasProperty("serialize") && object.GetProperty("serialize").IsFunction())
return true;
else
return false;
}
static void _AddToList (XBOX::VJSContext &inContext, const XBOX::VString &inConstructorName, XBOX::VJSObject &inConstructedObject)
{
if (inContext.GetGlobalObject().HasProperty(inConstructorName)) {
XBOX::VJSObject workerObject = inContext.GetGlobalObject().GetPropertyAsObject(inConstructorName);
if (workerObject.IsObject() && workerObject.HasProperty("list")) {
XBOX::VJSValue value = workerObject.GetProperty("list");
if (value.IsArray()) {
XBOX::VJSArray listArray(value);
sLONG i;
for (i = 0; i < listArray.GetLength(); i++) {
value = listArray.GetValueAt(i);
if (value.IsNull()) {
listArray.SetValueAt(i, inConstructedObject);
break;
}
}
if (i == listArray.GetLength())
listArray.PushValue(inConstructedObject);
} else {
xbox_assert(false);
}
} else {
xbox_assert(false);
}
} else {
xbox_assert(false);
}
}
USING_TOOLBOX_NAMESPACE
VJSStructuredClone *VJSStructuredClone::RetainClone (XBOX::VJSValue inValue)
{
std::map<JS4D::ValueRef, SNode *> alreadyCreated;
std::list<SEntry> toDoList;
SNode *root;
if ((root = _ValueToNode(inValue, &alreadyCreated, &toDoList)) == NULL)
return NULL;
while (!toDoList.empty()) {
// Property iterator will also iterate Array object indexes (they are converted into string).
XBOX::VJSValue value(inValue.GetContext(), toDoList.front().fValueRef);
XBOX::VJSPropertyIterator i(value.GetObject());
SNode *p, *q, *r;
p = toDoList.front().fNode;
xbox_assert(p->fType == eNODE_OBJECT || p->fType == eNODE_ARRAY);
toDoList.pop_front();
// Object or Array with no attributes?
if (!i.IsValid())
continue;
// Get prototype and dump its attribute names.
XBOX::VJSObject prototypeObject = value.GetObject().GetPrototype(inValue.GetContext());
bool hasPrototype = prototypeObject.IsObject();
// Iterate child(s).
for ( ; i.IsValid(); ++i) {
XBOX::VString name;
i.GetPropertyName(name);
// Check attribute name: If it is part of prototype, do not clone it.
if (hasPrototype && prototypeObject.HasProperty(name))
continue;
value = i.GetProperty();
if ((r = _ValueToNode(value, &alreadyCreated, &toDoList)) == NULL)
break;
else if (p->fValue.fFirstChild != NULL)
q->fNextSibling = r;
else
p->fValue.fFirstChild = r;
r->fName = name;
q = r;
}
if (p->fValue.fFirstChild != NULL)
q->fNextSibling = NULL;
if (i.IsValid()) {
_FreeNode(root);
root = NULL;
break;
}
}
if (root != NULL) {
VJSStructuredClone *structuredClone;
if ((structuredClone = new VJSStructuredClone()) != NULL)
structuredClone->fRoot = root;
else
_FreeNode(root);
return structuredClone;
} else
return NULL;
}