public static void AddToInputDict(this VariableContext context, string varName, Variable newVariable)
{
if (!context.InputNameDict.TryAdd(varName, newVariable))
{
context.InputNameDict[varName] = newVariable;
}
}
public static void AddToFunctionInputs(this VariableContext context, string varName, Variable newVariable)
{
if (!context.FunctionInputs.TryAdd(varName, newVariable))
{
context.FunctionInputs[varName] = newVariable;
}
}
public static void AddToFunctionInputs(this VariableContext context, IDictionary <string, Variable> dictVars)
{
foreach (var item in dictVars)
{
context.AddToFunctionInputs(item.Key, item.Value);
}
}
public static VariableContext MakeACopy(VariableContext context)
{
return(new VariableContext()
{
BKMMetaByName = context.BKMMetaByName,
InputDataMetaById = context.InputDataMetaById,
InputDataMetaByName = context.InputDataMetaByName,
ItemDefinitionMeta = context.ItemDefinitionMeta
});
}
public static Variable RetrieveLocaContext(VariableContext context = null, string inputName = null, bool doException = true)
{
if (context == null)
{
return(null);
}
if (context.LocalContext == null)
{
return(null);
}
context.LocalContext.ContextDict.TryGetValue("__currentContextX__", out var currCtxt);
if (inputName.Contains("."))
{
var x = inputName.Split('.');
Variable contextVal = null;
Variable cntxt = context.LocalContext;
for (int i = 0; i < x.Length; i++)
{
cntxt.ContextInputs.ContextDict.TryGetValue(x[i], out var newVal);
if (newVal == null && currCtxt != null)
{
currCtxt.ContextInputs.ContextDict.TryGetValue(x[i], out newVal);
}
if (newVal.ValueType == DataTypeEnum.Context)
{
cntxt = newVal;
}
contextVal = newVal;
}
return(contextVal);
}
context.LocalContext.ContextDict.TryGetValue(inputName, out var ctxVar);
if (ctxVar == null && currCtxt != null)
{
currCtxt.ContextInputs.ContextDict.TryGetValue(inputName, out ctxVar);
}
if (ctxVar == null && doException)
{
throw new FEELException($"Missing local context value {inputName}");
}
return(ctxVar);
}
public static bool RetrieveBkm(string bkmName, VariableContext context, out BkmMeta outBkmMeta)
{
if (context == null)
{
outBkmMeta = null;
return(false);
}
if (context.BKMMetaByName == null)
{
outBkmMeta = null;
return(false);
}
context.BKMMetaByName.TryGetValue(bkmName, out var bkmMeta);
outBkmMeta = bkmMeta;
return((bkmMeta == null) ? false : true);
}
public static Variable RetrieveFunctionInput(VariableContext context = null, string inputName = null, bool doException = true)
{
if (context == null)
{
return(null);
}
if (context.FunctionInputs == null)
{
if (doException)
{
throw new FEELException($"Missing function input data for input name {inputName}");
}
return(null);
}
if (inputName.Contains("."))
{
var x = inputName.Split('.');
context.FunctionInputs.TryGetValue(x[0], out var cntxt);
cntxt.ExpectedDataType(DataTypeEnum.Context);
Variable contextVal = null;
for (int i = 1; i < x.Length; i++)
{
cntxt.ContextInputs.ContextDict.TryGetValue(x[i], out var newVal);
if (newVal.ValueType == DataTypeEnum.Context)
{
cntxt = newVal;
}
contextVal = newVal;
}
return(contextVal);
}
context.FunctionInputs.TryGetValue(inputName, out var inputVariable);
if (inputVariable == null && doException)
{
throw new FEELException($"Missing input value {inputName}");
}
return(inputVariable);
}
public static Variable RetrieveGlobalVariable(VariableContext context = null, string inputName = null, bool doException = true)
{
if (context == null)
{
return(null);
}
if (context.GlobalDict == null)
{
if (doException)
{
throw new FEELException($"Missing global data for input name {inputName}");
}
return(null);
}
context.GlobalDict.TryGetValue(inputName, out var inputVariable);
if (inputVariable == null && doException)
{
throw new FEELException($"Missing input value {inputName}");
}
return(inputVariable);
}
public bool CheckAllowedValues(VariableContext context)
{
//TODO: Need to execute unary test with context value and input name
return(true);
}