/// <inheritdoc />
public IEnumerable <ValidationResult> Validate(object?value, bool required, string?format)
{
List <ValidationResult>?results = null;
var r = Validators.SelectMany(v => v.Validate(value, ValueType, Configuration)).ToList();
if (r.Any())
{
results = r;
}
// mandatory and regex validators cannot be part of valueEditor.Validators because they
// depend on values that are not part of the configuration, .Mandatory and .ValidationRegEx,
// so they have to be explicitly invoked here.
if (required)
{
r = RequiredValidator.ValidateRequired(value, ValueType).ToList();
if (r.Any())
{
if (results == null)
{
results = r;
}
else
{
results.AddRange(r);
}
}
}
var stringValue = value?.ToString();
if (!string.IsNullOrWhiteSpace(format) && !string.IsNullOrWhiteSpace(stringValue))
{
r = FormatValidator.ValidateFormat(value, ValueType, format).ToList();
if (r.Any())
{
if (results == null)
{
results = r;
}
else
{
results.AddRange(r);
}
}
}
return(results ?? Enumerable.Empty <ValidationResult>());
}
