private TFunc CompileFunction <TFunc>(string formulaText, IList <string> parameters)
where TFunc : Delegate
{
Operation syntaxTree = BuildAbstractSyntaxTree(formulaText);
Expression <TFunc> expressionTree = expressionBuilder.BuildExpressionTree <TFunc>(syntaxTree,
FunctionRegistry,
ConstantRegistry,
parameters);
TFunc result = expressionTree.Compile();
return(result);
}
public List <ValidationError> Validate <T>(T target, IEnumerable <IValidation> validations, IEnumerable <IValidationCondition> validationConditions)
{
List <ValidationError> errors = new List <ValidationError>();
// Evaluate validation conditions
foreach (var validation in validations)
{
Stack <IToken> postfixTokens = _postfixConverter.ConvertToStack(validation.Expression);
ExpressionTreeNode root = _treeBuilder.BuildExpressionTree(postfixTokens);
if (EvaluateNode(root, target, validationConditions))
{
errors.Add(new ValidationError()
{
ErrorMessage = validation.ErrorMessage,
ErrorCode = validation.ErrorCode
});
}
}
return(errors);
}