private Message LoadMessage(Conversation conv, MessageSettings settings)
{
MessageType type = settings.Type;
if (type == MessageType.ValueCount)
return null;
Message message = new Message(conv, type, settings.Name);
foreach (MessageSettings.ElementListValue element in settings.ElementList)
{
if (element.Type == "BYTE")
{
if (element.ValueString != null)
{
message.Elements.Add(new Literal(element.ValueString, conv, element.ExcludeFromChecksum));
}
else
{
UseVariable useVar = new UseVariable(conv, element.Name, element.Type, element.Size, element.ExcludeFromChecksum);
message.Elements.Add(useVar);
if (element.SizeName != null)
{
try
{
ByteVar sizeVar = (ByteVar)conv.GetVariable(element.SizeName);
sizeVar.AddResizeVariable((ByteVar)useVar.Variable);
}
catch (Exception) // exceptions are caused by incorrect element types - both must be ByteVar
{
}
}
}
}
else if (element.Type == "DYNAMICBYTE")
{
UseVariable useVar = new UseVariable(conv, element.Name, element.Type, element.Size, element.ExcludeFromChecksum);
message.Elements.Add(useVar);
if (element.SizeName != null)
{
try
{
ByteVar sizeVar = (ByteVar)conv.GetVariable(element.SizeName);
sizeVar.AddResizeVariable((ByteVar)useVar.Variable);
}
catch (Exception) // exceptions are caused by incorrect element types - both must be ByteVar
{
}
}
}
else if (element.Type == "STRING")
{
UseVariable useVar = new UseVariable(conv, element.Name, element.Type, element.Size, element.ExcludeFromChecksum);
message.Elements.Add(useVar);
}
}
return message;
}
public UseVariable(Conversation conversation, String varName, String type = null, int? size = null, bool excludeFromChecksum = false, int messageId = 0)
: base(conversation, excludeFromChecksum)
{
Converse session = conversation.Converse;
int? variableSize;
Variable = conversation.GetVariable(varName);
VariableType = type;
variableSize = size;
Calculations = session.Calculations;
IsChecksum16 = (varName.ToUpper() == "CHECKSUM16");
IsChecksum8 = (varName.ToUpper() == "CHECKSUM8");
IsChecksum = IsChecksum16 || IsChecksum8;
if (Variable == null) // variable not defined
if (type == null)
{
Variable = new StringVar(varName, conversation);
session.Variables.Add(Variable);
}
else if (type == "BYTE")
{
Variable = new ByteVar(varName, variableSize, conversation);
session.Variables.Add(Variable);
}
else if (type == "DYNAMICBYTE")
{
if (variableSize == null || variableSize < 1)
variableSize = 10000;
Variable = new DynamicByteVar(varName, variableSize.Value, conversation);
session.Variables.Add(Variable);
}
else if (type == "STRING")
{
Variable = new StringVar(varName, conversation);
session.Variables.Add(Variable);
}
else
throw new Exception("Variable " + varName + " type not supported: " + type);
}