/// <summary>
/// Initializes a new instance of the <see cref="AnalysisValueIntermediateResultWithFormula"/> class.
/// </summary>
/// <param name="functionFormula">Function formula</param>
/// <param name="arguments">Arguments</param>
/// <param name="rowContext">Row context</param>
/// <param name="valueContext">Value context</param>
public AnalysisValueIntermediateResultWithFormula(AnalysisFunctionFormula functionFormula, List <object> arguments, AnalysisProcessingQueryResultRowExecutionContext rowContext, AnalysisProcessingValueExecutionContext valueContext)
: base(functionFormula.FormulaFunction)
{
this.Arguments = arguments;
this.Formula = functionFormula;
this.RowContext = rowContext;
this.ValueContext = valueContext;
this.Complete = false;
}
private AnalysisFunctionFormulaParseResult Parse(AnalysisParserString parserString)
{
List <object> argumentArray;
int nextArgumentIndex;
string javascriptFormula;
if (parserString.CurrentString?.StartsWith("$") ?? false)
{
AnalysisFunctionFormulaParseResult result = this.ParseVariable(parserString);
if (result.Result == null || parserString.Complete || parserString.NextCharacter() == ')')
{
return(result);
}
argumentArray = new List <object> {
result.Result
};
javascriptFormula = "v[0]";
nextArgumentIndex = 1;
}
else
{
javascriptFormula = string.Empty;
nextArgumentIndex = 0;
argumentArray = new List <object>();
}
int bracketCount = 0;
string copyString;
int copyPos = parserString.CurrentPos;
AnalysisFunctionFormulaParseResult parseResult;
var builder = new StringBuilder();
builder.Append(javascriptFormula);
while (!parserString.Complete)
{
switch (parserString.NextCharacter())
{
case '(':
bracketCount++;
parserString.SkipChar();
break;
case ')':
if (bracketCount == 0)
{
copyString = parserString.StringFromPos(copyPos);
if (copyString?.Length > 0)
{
builder.Append(copyString);
}
var function = new AnalysisFunctionFormula(javascriptFormula, argumentArray, this.Analysis);
if (function != null)
{
return(new AnalysisFunctionFormulaParseResult(function));
}
return(new AnalysisFunctionFormulaParseResult("function not supported"));
}
else
{
parserString.SkipChar();
}
bracketCount--;
break;
case '$':
copyString = parserString.StringFromPos(copyPos);
if (copyString?.Length > 0)
{
builder.Append(copyString);
}
parseResult = this.ParseVariable(parserString);
if (parseResult.Error != null)
{
return(parseResult);
}
builder.Append($"v[{nextArgumentIndex++}]");
argumentArray.Add(parseResult.Result);
copyPos = parserString.CurrentPos;
break;
default:
parserString.SkipChar();
break;
}
}
javascriptFormula = builder.ToString();
if (bracketCount > 0)
{
return(new AnalysisFunctionFormulaParseResult("missing closing bracket"));
}
copyString = parserString.StringFromPos(copyPos);
if (copyString?.Length > 0)
{
builder.Append(copyString);
}
AnalysisFunctionFormula function1 = new AnalysisFunctionFormula(javascriptFormula, argumentArray, this.Analysis);
if (function1 != null)
{
return(new AnalysisFunctionFormulaParseResult(function1));
}
return(new AnalysisFunctionFormulaParseResult("function not supported"));
}
