private IPrimitive FormatPeriod(MetaFormulaItem arg)
{
IPrimitive nowPeriod = FormatNowPeriod(arg);
var getDateCall = new FunctionCall(arg.PeriodShiftSource + ":date")
.AddParameter(nowPeriod)
.AddCondition(_factory.MakeIsNotNull(nowPeriod));
var findDateCall = new FunctionCall("core.findDate")
.AddParameter(FormatStreamOrValue(arg))
.AddParameter(getDateCall)
.AddParameter("false");
return(findDateCall);
}
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);
}
