/// <summary>
/// Generate code to perform required validation on a type
/// </summary>
/// <param name="type">The type to validate</param>
/// <param name="scope">A scope provider for generating variable names as necessary</param>
/// <param name="valueReference">A reference to the value being validated</param>
/// <param name="constraints">Constraints</param>
/// <returns>The code to validate the reference of the given type</returns>
public static string ValidateType(this IType type, IScopeProvider scope, string valueReference,
Dictionary <Constraint, string> constraints)
{
if (scope == null)
{
throw new ArgumentNullException("scope");
}
CompositeType model = type as CompositeType;
SequenceType sequence = type as SequenceType;
DictionaryType dictionary = type as DictionaryType;
var sb = new IndentedStringBuilder();
if (model != null && model.ShouldValidateChain())
{
sb.AppendLine("{0}.Validate();", valueReference);
}
if (constraints != null && constraints.Any())
{
AppendConstraintValidations(valueReference, constraints, sb);
}
if (sequence != null && sequence.ShouldValidateChain())
{
var elementVar = scope.GetVariableName("element");
var innerValidation = sequence.ElementType.ValidateType(scope, elementVar, null);
if (!string.IsNullOrEmpty(innerValidation))
{
sb.AppendLine("foreach (var {0} in {1})", elementVar, valueReference)
.AppendLine("{").Indent()
.AppendLine(innerValidation).Outdent()
.AppendLine("}");
}
}
else if (dictionary != null && dictionary.ShouldValidateChain())
{
var valueVar = scope.GetVariableName("valueElement");
var innerValidation = dictionary.ValueType.ValidateType(scope, valueVar, null);
if (!string.IsNullOrEmpty(innerValidation))
{
sb.AppendLine("foreach (var {0} in {1}.Values)", valueVar, valueReference)
.AppendLine("{").Indent()
.AppendLine(innerValidation).Outdent()
.AppendLine("}").Outdent();
}
}
if (sb.ToString().Trim().Length > 0)
{
return(CheckNull(valueReference, sb.ToString()));
}
return(null);
}
/// <summary>
/// Generate code to perform required validation on a type
/// </summary>
/// <param name="type">The type to validate</param>
/// <param name="scope">A scope provider for generating variable names as necessary</param>
/// <param name="valueReference">A reference to the value being validated</param>
/// <returns>The code to validate the reference of the given type</returns>
public static string ValidateType(this IType type, IScopeProvider scope, string valueReference)
{
if (scope == null)
{
throw new ArgumentNullException("scope");
}
CompositeType model = type as CompositeType;
SequenceType sequence = type as SequenceType;
DictionaryType dictionary = type as DictionaryType;
if (model != null && model.ShouldValidateChain())
{
return(CheckNull(valueReference, string.Format(CultureInfo.InvariantCulture,
"{0}.Validate();", valueReference)));
}
if (sequence != null && sequence.ShouldValidateChain())
{
var elementVar = scope.GetVariableName("element");
var innerValidation = sequence.ElementType.ValidateType(scope, elementVar);
if (!string.IsNullOrEmpty(innerValidation))
{
var sb = new IndentedStringBuilder();
sb.AppendLine("foreach (var {0} in {1})", elementVar, valueReference)
.AppendLine("{").Indent()
.AppendLine(innerValidation).Outdent()
.AppendLine("}");
return(CheckNull(valueReference, sb.ToString()));
}
}
else if (dictionary != null && dictionary.ShouldValidateChain())
{
var valueVar = scope.GetVariableName("valueElement");
var innerValidation = dictionary.ValueType.ValidateType(scope, valueVar);
if (!string.IsNullOrEmpty(innerValidation))
{
var sb = new IndentedStringBuilder();
sb.AppendLine("if ({0} != null)", valueReference)
.AppendLine("{").Indent()
.AppendLine("foreach (var {0} in {1}.Values)", valueVar, valueReference)
.AppendLine("{").Indent()
.AppendLine(innerValidation).Outdent()
.AppendLine("}").Outdent()
.AppendLine("}");
return(CheckNull(valueReference, sb.ToString()));
}
}
return(null);
}
