/// <summary>
/// Outputs a set of fields to XML using the field format specified in the IEEE XMPP IoT extensions.
/// </summary>
/// <param name="Xml">XML output.</param>
/// <param name="Fields">Fields to output.</param>
/// <param name="Errors">Errors to report.</param>
/// <param name="Id">Request identity.</param>
/// <param name="Done">If the readout is done.</param>
/// <param name="IsIncluded">Optional callback method that can be used to filter output. If null, all fields are output.</param>
/// <returns>If the response is non-empty, i.e. needs to be sent.</returns>
public static bool OutputFields(XmlWriter Xml, IEnumerable <Field> Fields, IEnumerable <ThingError> Errors, string Id, bool Done, IsIncludedDelegate IsIncluded)
{
Xml.WriteStartElement("resp", SensorClient.NamespaceSensorData);
Xml.WriteAttributeString("id", Id);
if (!Done)
{
Xml.WriteAttributeString("more", "true");
}
bool Result = OutputFields(Xml, Fields, Errors, IsIncluded);
Xml.WriteEndElement();
if (Done)
{
return(true);
}
else
{
return(Result);
}
}
/// <summary>
/// Outputs a set of fields to XML using the field format specified in the IEEE XMPP IoT extensions.
/// </summary>
/// <param name="Xml">XML output.</param>
/// <param name="Fields">Fields to output. Can be null.</param>
/// <param name="Errors">Any errors to output. Can be null.</param>
/// <param name="IsIncluded">Optional callback method that can be used to filter output. If null, all fields are output.</param>
/// <returns>If the response is non-empty, i.e. needs to be sent.</returns>
public static bool OutputFields(XmlWriter Xml, IEnumerable <Field> Fields, IEnumerable <ThingError> Errors, IsIncludedDelegate IsIncluded)
{
ThingReference LastThing = null;
DateTime LastTimestamp = DateTime.MinValue;
bool TimestampOpen = false;
bool NodeOpen = false;
bool Checked;
bool Empty = true;
if (Fields != null)
{
foreach (Field Field in Fields)
{
Checked = false;
if (LastThing is null || !LastThing.SameThing(Field.Thing))
{
if (IsIncluded != null && !IsIncluded(Field.Name, Field.Timestamp, Field.Type))
{
continue;
}
Checked = true;
if (TimestampOpen)
{
Xml.WriteEndElement();
TimestampOpen = false;
}
if (NodeOpen)
{
Xml.WriteEndElement();
NodeOpen = false;
}
LastThing = Field.Thing;
LastTimestamp = DateTime.MinValue;
if (!string.IsNullOrEmpty(LastThing.NodeId))
{
Xml.WriteStartElement("nd");
Xml.WriteAttributeString("id", LastThing.NodeId);
if (!string.IsNullOrEmpty(LastThing.SourceId))
{
Xml.WriteAttributeString("src", LastThing.SourceId);
}
if (!string.IsNullOrEmpty(LastThing.Partition))
{
Xml.WriteAttributeString("pt", LastThing.Partition);
}
NodeOpen = true;
}
}
if (LastTimestamp != Field.Timestamp)
{
if (IsIncluded != null && !IsIncluded(Field.Name, Field.Timestamp, Field.Type))
{
continue;
}
Checked = true;
if (TimestampOpen)
{
Xml.WriteEndElement();
TimestampOpen = false;
}
LastTimestamp = Field.Timestamp;
Xml.WriteStartElement("ts");
Xml.WriteAttributeString("v", XML.Encode(LastTimestamp));
TimestampOpen = true;
}
if (!Checked && IsIncluded != null && !IsIncluded(Field.Name, Field.Timestamp, Field.Type))
{
continue;
}
OutputField(Xml, Field);
Empty = false;
}
}
if (Errors != null)
{
foreach (ThingError Error in Errors)
{
if (LastThing is null || !LastThing.SameThing(Error))
{
if (TimestampOpen)
{
Xml.WriteEndElement();
TimestampOpen = false;
}
if (NodeOpen)
{
Xml.WriteEndElement();
NodeOpen = false;
}
LastThing = Error;
LastTimestamp = DateTime.MinValue;
if (!string.IsNullOrEmpty(LastThing.NodeId))
{
Xml.WriteStartElement("nd");
Xml.WriteAttributeString("id", LastThing.NodeId);
if (!string.IsNullOrEmpty(LastThing.SourceId))
{
Xml.WriteAttributeString("src", LastThing.SourceId);
}
if (!string.IsNullOrEmpty(LastThing.Partition))
{
Xml.WriteAttributeString("pt", LastThing.Partition);
}
NodeOpen = true;
}
}
if (LastTimestamp != Error.Timestamp)
{
if (TimestampOpen)
{
Xml.WriteEndElement();
TimestampOpen = false;
}
LastTimestamp = Error.Timestamp;
Xml.WriteStartElement("ts");
Xml.WriteAttributeString("v", XML.Encode(LastTimestamp));
TimestampOpen = true;
}
OutputError(Xml, Error);
Empty = false;
}
}
if (TimestampOpen)
{
Xml.WriteEndElement();
}
if (NodeOpen)
{
Xml.WriteEndElement();
}
return(!Empty);
}
/// <summary>
/// Outputs a set of fields to XML using the field format specified in the IEEE XMPP IoT extensions.
/// </summary>
/// <param name="Xml">XML output.</param>
/// <param name="Fields">Fields to output.</param>
/// <param name="Id">Request identity.</param>
/// <param name="Done">If the readout is done.</param>
/// <param name="IsIncluded">Optional callback method that can be used to filter output. If null, all fields are output.</param>
/// <returns>If the response is non-empty, i.e. needs to be sent.</returns>
public static bool OutputFields(XmlWriter Xml, IEnumerable <Field> Fields, string Id, bool Done, IsIncludedDelegate IsIncluded)
{
return(OutputFields(Xml, Fields, null, Id, Done, IsIncluded));
}
