private void AddSourceToList(List <Indicator> list, IMetaSource source)
{
if (source.SourceType == SourceType.Indicator)
{
AddIndicatorToList(list, source as IndicatorSource);
}
}
public string Generate(IMetaSource source)
{
switch (source.SourceType)
{
case SourceType.Indicator:
return(string.Format("indicator_{0}", ++_indicatorSourcesCount));
case SourceType.Instrument:
return(string.Format("instrument_{0}", ++_instrumentSourcesCount));
}
return("source");
}
/// <summary>
/// Generate code for the source.
/// </summary>
/// <param name="source">Source</param>
/// <exception cref="NotSupportedSourceException">When source is not supported.</exception>
/// <returns>Generated code</returns>
internal static string Generate(IMetaSource source)
{
switch (source)
{
case IndicatorSource indicatorSource:
return(Generate(indicatorSource));
case InstrumentSource instrumentSource:
return(Generate(instrumentSource));
case MainInstrumentSource mainInstrumentSource:
default:
throw new NotSupportedSourceException(source.SourceType);
}
}
private List <IPrimitive> AddCreateSourcesCode(IMetaSource source, string parentSourceId)
{
var lines = new List <IPrimitive>();
var sourceId = source.Id;
switch (source)
{
case IndicatorSource indicatorSource:
var createIndicatorCall = new FunctionCall("core.indicators:create")
.AddParameter(new QuotedStringPrimitive(indicatorSource.Name.ToUpper()))
.AddParameter(GetIndicatorSourceId(indicatorSource.Source));
AddParameters(indicatorSource, createIndicatorCall);
lines.Add(new AssigmentStatement(" " + sourceId, createIndicatorCall));
if (_model.Debug)
{
lines.Add(new FunctionCall(" debug_helper:AddIndicator", true).AddParameter(sourceId));
}
break;
case MainInstrumentSource maintInstrumentSource:
sourceId = "trading_logic.MainSource";
break;
case InstrumentSource instrumentSource:
if (parentSourceId == null)
{
parentSourceId = sourceId;
}
var extSubscribeCall = new FunctionCall("ExtSubscribe")
.AddParameter(sourceId + "_id")
.AddParameter("nil")
.AddParameter(ReplaceStringParameter(instrumentSource.Timeframe))
.AddParameter(instrumentSource.PriceType)
.AddParameter(new QuotedStringPrimitive("bar"));
lines.Add(new AssigmentStatement($" {sourceId}", extSubscribeCall));
if (_model.Debug)
{
lines.Add(new FunctionCall(" debug_helper:AddInstrument", true).AddParameter(sourceId));
}
break;
}
return(lines);
}
private List <IPrimitive> GenerateVariableForSource(IMetaSource source)
{
var code = new List <IPrimitive>();
var sourceId = source.Id;
switch (source)
{
case IndicatorSource indicatorSource:
code.Add($"local {sourceId} = nil;".MakePrimitive());
break;
case InstrumentSource instrumentSource:
{
code.Add($"local {sourceId} = nil;".MakePrimitive());
var sourceIdCookie = ++_lastCoookie;
code.Add($"local {sourceId}_id = {sourceIdCookie};".MakePrimitive());
}
break;
}
return(code);
}
