public void ValidateContextName(ValidationFunctionContext context)
{
if (VariableContextLogic.Instance.VariableContextCollection.Contexts.Any(c => c.Name.Equals(context.Value, StringComparison.OrdinalIgnoreCase)))
{
context.IsValid = false;
context.Message = string.Format("The context name '{0}' is already being used"
, context.Value);
}
}
public void ValidateVariableName(ValidationFunctionContext context)
{
if (context.Value.Length > 20)
{
context.IsValid = false;
}
if (!context.IsValid)
{
context.Message = "The variable name must be less than 21 characters in length.";
}
}
private void ValidateParameterValues()
{
var definition = Command.GetType().DescribeInputCommand();
foreach (var param in definition.Parameters.Where(p =>
(p.UseAutoCompleteForValidation && !string.IsNullOrWhiteSpace(p.AutoCompleteValuesFunction)) ||
!string.IsNullOrWhiteSpace(p.ValidationFunction)))
{
// get parameter value
string value = param.PropertyInfo.GetValue(Command)?.ToString();
if (value != null) // compare to validation values
{
// get validation values
try
{
bool isValid = false;
string validationMessage = null;
if (param.UseAutoCompleteForValidation)
{
var methodInfo = Command.GetType().GetMethod(param.AutoCompleteValuesFunction);
var context = new AutoCompleteValuesFunctionContext();
methodInfo.Invoke(Command, new object[] { context });
isValid = context.Values.Contains(value, StringComparer.OrdinalIgnoreCase);
}
else
{
var methodInfo = Command.GetType().GetMethod(param.ValidationFunction);
var context = new ValidationFunctionContext(value);
methodInfo.Invoke(Command, new object[] { context });
isValid = context.IsValid;
validationMessage = context.Message;
}
// evaluate
if (!isValid)
{
Errors.Add(new CommandValidatorError()
{
Type = CommandValidationType.InvalidParameterValue,
Parameters = new List <ParameterDef>()
{
param
},
Message = validationMessage ?? string.Format("The value of parameter {0} is invalid", param.Name)
});
}
}
catch (Exception ex)
{
Errors.Add(new CommandValidatorError()
{
Type = CommandValidationType.InvalidValidationValuesFunction,
Parameters = new List <ParameterDef>()
{
param
},
Message = string.Format("An error occured during the invocation of the validation values function for parameter {0}", param.Name),
Error = ex
});
}
}
}
}
