/// <summary>
/// Recursively imports any NodeIds or ExpandedNodeIds contained in a value.
/// </summary>
/// <param name="value">The value.</param>
/// <param name="namespaceUris">The namespace URIs.</param>
/// <param name="serverUris">The server URIs.</param>
/// <returns></returns>
private object ImportValue(object value, NamespaceTable namespaceUris, StringTable serverUris)
{
Array array = value as Array;
if (array != null)
{
Type elementType = array.GetType().GetElementType();
if (elementType != typeof(NodeId) && elementType != typeof(ExpandedNodeId) &&
elementType != typeof(object) && elementType != typeof(ExtensionObject))
{
return(array);
}
Array copy = Array.CreateInstance(elementType, array.Length);
for (int ii = 0; ii < array.Length; ii++)
{
copy.SetValue(ImportValue(array.GetValue(ii), namespaceUris, serverUris), ii);
}
return(copy);
}
NodeId nodeId = value as NodeId;
if (nodeId != null)
{
return(Import(nodeId, namespaceUris));
}
ExpandedNodeId expandedNodeId = value as ExpandedNodeId;
if (expandedNodeId != null)
{
return(Import(expandedNodeId, namespaceUris, serverUris));
}
ExtensionObject extension = value as ExtensionObject;
if (extension != null)
{
Argument argument = ExtensionObject.ToEncodeable(extension) as Argument;
if (argument != null)
{
argument.DataType = Import(argument.DataType, namespaceUris);
}
}
return(value);
}
/// <summary>
/// Translates a value.
/// </summary>
/// <param name="value">The value.</param>
/// <param name="namespaceUris">The namespace URIs.</param>
/// <param name="serverUris">The server URIs.</param>
/// <returns>Translated value.</returns>
private object TranslateValue(object value, NamespaceTable namespaceUris, StringTable serverUris)
{
TypeInfo typeInfo = TypeInfo.Construct(value);
// do nothing for unknown types.
if (typeInfo == null)
{
return(value);
}
// recursively process array values.
if (typeInfo.ValueRank > 0)
{
TranslateArrayValue((Array)value, typeInfo.BuiltInType, namespaceUris, serverUris);
return(value);
}
// check for values containing namespace indexes.
switch (typeInfo.BuiltInType)
{
case BuiltInType.NodeId:
{
return(Translate((NodeId)value, m_namespaceUris, namespaceUris));
}
case BuiltInType.ExpandedNodeId:
{
return(Translate((ExpandedNodeId)value, m_namespaceUris, m_serverUris, namespaceUris, serverUris));
}
case BuiltInType.QualifiedName:
{
return(Translate((QualifiedName)value, m_namespaceUris, namespaceUris));
}
case BuiltInType.ExtensionObject:
{
Argument argument = ExtensionObject.ToEncodeable((ExtensionObject)value) as Argument;
if (argument != null)
{
argument.DataType = Translate(argument.DataType, m_namespaceUris, namespaceUris);
}
return(value);
}
}
return(value);
}
