/// <summary>
/// Assumes the memento is the Node ID (FieldGuid)
/// </summary>
/// <param name="memento"></param>
/// <returns></returns>
public override IDocument CreateDocument(string memento)
{
if (memento == null)
{
throw new ArgumentNullException();
}
if (!m_docs.ContainsKey(memento))
{
ISolutionItem item = null;
if (FieldGuid.CheckSyntax(memento))
{
item = solutionPad.FindItemByNodeId(new Guid(memento)) as ISolutionItem;
}
if (item != null && item is PageItem)
{
var pe = new PageEditor(item as PageItem); // adds itself to m_docs
}
else
{
return(null);
}
}
return(m_docs[memento]);
}
private FieldGuid sendTelegramWithGuidPayloadResponse(NodeTelegram telegram)
{
var response = sendReceiveTelegram <NodeTelegram>(telegram);
if (response != null)
{
string payload = response.Payload.Decode();
if (FieldGuid.CheckSyntax(payload))
{
return(new FieldGuid(payload));
}
else
{
return(null);
}
}
else
{
return(null);
}
}
private NodeTelegram readSignals(NodeTelegram request)
{
// incoming request should just be a bunch of Guids that represent signalIds
var inPayload = request.Payload.Decode();
var outPayload = new StringBuilder();
if (runtimeApplication != null)
{
for (int index = 0; index < inPayload.Length; index += m_guidLength)
{
string oneGuidString = inPayload.Substring(index, m_guidLength);
if (FieldGuid.CheckSyntax(oneGuidString))
{
var signalId = new FieldGuid(oneGuidString);
var signal = runtimeApplication.FindSignal(signalId);
if (signal != null)
{
outPayload.Append(EncodedSignalValue.EncodeSignalValue(signal));
}
}
}
}
return(request.SetPayload(FieldBase64.Encode(outPayload.ToString())));
}
public static IEnumerable <Tuple <NodeSignal, object> > ParseEncodedSignals(string encoded, IEnumerable <NodeSignal> signals)
{
// parse it all into values
var dict = new Dictionary <FieldGuid, object>();
int index = 0;
bool found = true;
while (found)
{
found = false;
int commaPos1 = encoded.IndexOf(SEPARATOR, index);
if (commaPos1 > 0) // signalId
{
int commaPos2 = encoded.IndexOf(SEPARATOR, commaPos1 + 1);
if (commaPos2 > 0) // DataType
{
int commaPos3 = encoded.IndexOf(SEPARATOR, commaPos2 + 1);
if (commaPos3 > 0) // value length
{
string valueLengthString = encoded.Substring(commaPos2 + 1, commaPos3 - commaPos2 - 1);
int valueLength;
if (int.TryParse(valueLengthString, out valueLength))
{
string valueString = encoded.Substring(commaPos3 + 1, valueLength);
if (valueString.Length == valueLength)
{
string guidString = encoded.Substring(index, commaPos1 - index);
if (FieldGuid.CheckSyntax(guidString))
{
var signalId = new FieldGuid(guidString);
string dataTypeString = encoded.Substring(commaPos1 + 1, commaPos2 - commaPos1 - 1);
FieldDataType.DataTypeEnum dataType;
if (Enum.TryParse <FieldDataType.DataTypeEnum>(dataTypeString, out dataType))
{
if (FieldConstant.CheckSyntax(dataType + FieldConstant.SEPARATOR + valueString))
{
var constant = new FieldConstant(dataType + FieldConstant.SEPARATOR + valueString);
found = true;
index = commaPos3 + valueLength + 1 + END_OF_LINE.Length;
dict.Add(signalId, constant.Value);
}
}
}
}
}
}
}
}
}
// match it up to the signals
var retVal = new List <Tuple <NodeSignal, object> >();
foreach (var signal in signals)
{
if (dict.ContainsKey(signal.SignalId))
{
retVal.Add(new Tuple <NodeSignal, object>(signal, dict[signal.SignalId]));
}
}
return(retVal);
}