/// <inheritdoc cref="IEncodeable.Encode(IEncoder)" />
public void Encode(IEncoder encoder)
{
if (NamespaceUris != null && NamespaceUris.Count > 1)
{
string[] uris = new string[NamespaceUris.Count - 1];
for (int ii = 1; ii < NamespaceUris.Count; ii++)
{
uris[ii - 1] = NamespaceUris.GetString((uint)ii);
}
encoder.WriteStringArray("NamespaceUris", uris);
}
else
{
encoder.WriteStringArray("NamespaceUris", new string[0]);
}
if (ServerUris != null && ServerUris.Count > 1)
{
string[] uris = new string[ServerUris.Count - 1];
for (int ii = 1; ii < NamespaceUris.Count; ii++)
{
uris[ii - 1] = ServerUris.GetString((uint)ii);
}
encoder.WriteStringArray("ServerUris", uris);
}
else
{
encoder.WriteStringArray("ServerUris", new string[0]);
}
if (Message != null)
{
encoder.SetMappingTables(NamespaceUris, ServerUris);
if (Message.TypeId == null || Message.TypeId.IdType != IdType.Numeric)
{
throw ServiceResultException.Create(StatusCodes.BadEncodingError, "SessionLessServiceMessage message body must have a numeric TypeId defined. ({0})", Message.TypeId);
}
encoder.WriteUInt32("ServiceId", (uint)Message.TypeId.Identifier);
encoder.WriteEncodeable("Body", Message, null);
}
else
{
encoder.WriteUInt32("TypeId", (uint)0);
}
}
/// <summary>
/// Initializes the mapper.
/// </summary>
/// <param name="localNamespaceUris"></param>
/// <param name="remoteNamespaceUris"></param>
public void Initialize(StringTable localNamespaceUris, StringTable remoteNamespaceUris, string applicationUri)
{
m_localNamespaceIndexes = new int[remoteNamespaceUris.Count];
for (int ii = 1; ii < remoteNamespaceUris.Count; ii++)
{
string namespaceUri = remoteNamespaceUris.GetString((uint)ii);
bool isTypeSystemUri = false;
if (TypeSystemNamespaceUris != null)
{
for (int jj = 0; jj < TypeSystemNamespaceUris.Length; jj++)
{
if (TypeSystemNamespaceUris[jj] == namespaceUri)
{
isTypeSystemUri = true;
break;
}
}
}
if (!isTypeSystemUri)
{
namespaceUri = applicationUri + ":" + namespaceUri;
}
m_localNamespaceIndexes[ii] = localNamespaceUris.GetIndexOrAppend(namespaceUri);
}
m_remoteNamespaceIndexes = new int[localNamespaceUris.Count];
for (int ii = 0; ii < m_localNamespaceIndexes.Length; ii++)
{
if (m_remoteNamespaceIndexes.Length > m_localNamespaceIndexes[ii])
{
m_remoteNamespaceIndexes[m_localNamespaceIndexes[ii]] = ii;
}
}
}
/// <summary>
/// Saves a string table from an XML stream.
/// </summary>
/// <param name="tableName">Name of the table.</param>
/// <param name="elementName">Name of the element.</param>
/// <param name="stringTable">The string table.</param>
public void SaveStringTable(string tableName, string elementName, StringTable stringTable)
{
if (stringTable == null || stringTable.Count <= 1)
{
return;
}
PushNamespace(Namespaces.OpcUaXsd);
try
{
Push(tableName, Namespaces.OpcUaXsd);
for (ushort ii = 1; ii < stringTable.Count; ii++)
{
WriteString(elementName, stringTable.GetString(ii));
}
Pop();
}
finally
{
PopNamespace();
}
}
/// <summary>
/// Reads the schema information from a XML document.
/// </summary>
public void LoadFromXml(ISystemContext context, Stream istrm, bool updateTables)
{
ServiceMessageContext messageContext = new ServiceMessageContext();
messageContext.NamespaceUris = context.NamespaceUris;
messageContext.ServerUris = context.ServerUris;
messageContext.Factory = context.EncodeableFactory;
using (XmlReader reader = XmlReader.Create(istrm))
{
XmlQualifiedName root = new XmlQualifiedName("ListOfNodeState", Namespaces.OpcUaXsd);
XmlDecoder decoder = new XmlDecoder(null, reader, messageContext);
NamespaceTable namespaceUris = new NamespaceTable();
if (!decoder.LoadStringTable("NamespaceUris", "NamespaceUri", namespaceUris))
{
namespaceUris = null;
}
// update namespace table.
if (updateTables)
{
if (namespaceUris != null && context.NamespaceUris != null)
{
for (int ii = 0; ii < namespaceUris.Count; ii++)
{
context.NamespaceUris.GetIndexOrAppend(namespaceUris.GetString((uint)ii));
}
}
}
StringTable serverUris = new StringTable();
if (!decoder.LoadStringTable("ServerUris", "ServerUri", context.ServerUris))
{
serverUris = null;
}
// update server table.
if (updateTables)
{
if (serverUris != null && context.ServerUris != null)
{
for (int ii = 0; ii < serverUris.Count; ii++)
{
context.ServerUris.GetIndexOrAppend(serverUris.GetString((uint)ii));
}
}
}
// set mapping.
decoder.SetMappingTables(namespaceUris, serverUris);
decoder.PushNamespace(Namespaces.OpcUaXsd);
NodeState state = NodeState.LoadNode(context, decoder);
while (state != null)
{
this.Add(state);
state = NodeState.LoadNode(context, decoder);
}
decoder.Close();
}
}
/// <summary>
/// Reads the schema information from a XML document.
/// </summary>
public void LoadFromBinary(ISystemContext context, Stream istrm, bool updateTables)
{
ServiceMessageContext messageContext = new ServiceMessageContext();
messageContext.NamespaceUris = context.NamespaceUris;
messageContext.ServerUris = context.ServerUris;
messageContext.Factory = context.EncodeableFactory;
using (BinaryDecoder decoder = new BinaryDecoder(istrm, messageContext))
{
// check if a namespace table was provided.
NamespaceTable namespaceUris = new NamespaceTable();
if (!decoder.LoadStringTable(namespaceUris))
{
namespaceUris = null;
}
// update namespace table.
if (updateTables)
{
if (namespaceUris != null && context.NamespaceUris != null)
{
for (int ii = 0; ii < namespaceUris.Count; ii++)
{
context.NamespaceUris.GetIndexOrAppend(namespaceUris.GetString((uint)ii));
}
}
}
// check if a server uri table was provided.
StringTable serverUris = new StringTable();
if (namespaceUris != null && namespaceUris.Count > 1)
{
serverUris.Append(namespaceUris.GetString(1));
}
if (!decoder.LoadStringTable(serverUris))
{
serverUris = null;
}
// update server table.
if (updateTables)
{
if (serverUris != null && context.ServerUris != null)
{
for (int ii = 0; ii < serverUris.Count; ii++)
{
context.ServerUris.GetIndexOrAppend(serverUris.GetString((uint)ii));
}
}
}
// setup the mappings to use during decoding.
decoder.SetMappingTables(namespaceUris, serverUris);
int count = decoder.ReadInt32(null);
for (int ii = 0; ii < count; ii++)
{
NodeState state = NodeState.LoadNode(context, decoder);
this.Add(state);
}
}
}
/// <summary>
/// Updates the nodeset string tables and returns a NodeId that references those tables.
/// </summary>
/// <param name="nodeId">The node identifier.</param>
/// <param name="targetNamespaceUris">The target namespace URIs.</param>
/// <param name="targetServerUris">The target server URIs.</param>
/// <param name="sourceNamespaceUris">The source namespace URIs.</param>
/// <param name="sourceServerUris">The source server URIs.</param>
/// <returns>A NodeId that references those tables.</returns>
private static ExpandedNodeId Translate(
ExpandedNodeId nodeId,
NamespaceTable targetNamespaceUris,
StringTable targetServerUris,
NamespaceTable sourceNamespaceUris,
StringTable sourceServerUris)
{
if (targetNamespaceUris == null)
{
throw new ArgumentNullException("targetNamespaceUris");
}
if (sourceNamespaceUris == null)
{
throw new ArgumentNullException("sourceNamespaceUris");
}
if (nodeId.ServerIndex > 0)
{
if (targetServerUris == null)
{
throw new ArgumentNullException("targetServerUris");
}
if (sourceServerUris == null)
{
throw new ArgumentNullException("sourceServerUris");
}
}
if (NodeId.IsNull(nodeId))
{
return(nodeId);
}
if (!nodeId.IsAbsolute)
{
return(Translate((NodeId)nodeId, targetNamespaceUris, sourceNamespaceUris));
}
string namespaceUri = nodeId.NamespaceUri;
if (nodeId.ServerIndex > 0)
{
if (String.IsNullOrEmpty(namespaceUri))
{
namespaceUri = sourceNamespaceUris.GetString(nodeId.NamespaceIndex);
}
string serverUri = sourceServerUris.GetString(nodeId.ServerIndex);
int index = targetServerUris.GetIndex(serverUri);
if (index == -1)
{
index = targetServerUris.Append(serverUri);
}
return(new ExpandedNodeId(new NodeId(nodeId.Identifier, 0), namespaceUri, (uint)index));
}
ushort namespaceIndex = 0;
if (!String.IsNullOrEmpty(namespaceUri))
{
int index = targetNamespaceUris.GetIndex(namespaceUri);
if (index == -1)
{
index = targetNamespaceUris.Append(namespaceUri);
}
namespaceIndex = (ushort)index;
}
return(new NodeId(nodeId.Identifier, namespaceIndex));
}
