private string GenerateBody(RevitFunctionViewModel revitFunction)
{
var formulaBody = FunctionTypeAnalizer.GetBlueprint(revitFunction.FunctionType);
for (int i = 0; i < revitFunction.Arguments.Count; i++)
{
string arg = revitFunction.Arguments[i];
if (arg == "Function")
{
var childFunction = revitFunction.ChildFunctions.First();
arg = GenerateBody(childFunction);
revitFunction.ChildFunctions.Remove(childFunction);
}
if ((revitFunction.FunctionType == RevitEnums.FunctionType.OrFunction ||
revitFunction.FunctionType == RevitEnums.FunctionType.AndFunction) &&
i > 1)
{
formulaBody = formulaBody.Replace(Convert.ToString(formulaBody.Last()), $",{{{i}}})");
}
formulaBody = formulaBody.Replace($"{{{i}}}", arg);
}
return(formulaBody);
}
private void CheckCommasInFunction(RevitFunctionModel function, string formula, int functionEndPos)
{
var numOfArgs = FunctionTypeAnalizer.CheckNumberOfArgs(function.FunctionType);
if (numOfArgs > 1)
{
bool insideChildFunction = false;
int childFunctionCounter = 0;
var correctNumOfCommas = numOfArgs - 1;
int numOfCommas = 0;
for (int i = function.StartPos + 1; i < functionEndPos; i++)
{
char character = formula[i];
if (character.Equals(openingBracket))
{
if (childFunctionCounter == 0)
{
insideChildFunction = true;
}
childFunctionCounter++;
}
else if (character.Equals(closingBracket))
{
childFunctionCounter--;
if (childFunctionCounter == 0)
{
insideChildFunction = false;
}
}
if (!insideChildFunction)
{
if (character.Equals(comma))
{
numOfCommas++;
}
}
if (correctNumOfCommas < numOfCommas)
{
throw new Exception($"Unnecessary comma in formula at index {i} - possibly bracket around this index.");
}
}
if (correctNumOfCommas > numOfCommas)
{
throw new Exception(
$"Missing commas in {function.FunctionTypeName}(at index {function.StartPos}).\nFunction should have {correctNumOfCommas} commas but contains only {numOfCommas}.");
}
}
}