/// <summary>
/// Check that default value object has matching type for optionProperty.
/// </summary>
/// <param name="optionProperty">Validated property.</param>
/// <param name="requiredType">Type that is required for property value or its elements.</param>
private static void checkDefaultValueMatching(PropertyInfo optionProperty, Type requiredType)
{
var defaultValue = ReflectionUtils.GetAttribute <OptionInfoAttribute>(optionProperty).DefaultValue;
if (defaultValue == null)
{
//There is no default value
return;
}
var isContainer = StructureFactory.GetContainerBuilder(optionProperty.PropertyType) != null;
if (isContainer)
{
if (!testContainerDefault(requiredType, defaultValue))
{
throw new PropertyValidationException(
userMsg: "Default value for container option property '{0}' has incorrect type. Array type '" + requiredType + "[]' is required.",
developerMsg: "StructureValidation::checkTypeMatching has failed due to incorrect type of default container value on property '{0}'. Array type '" + requiredType + "[]' is required.",
validatedProperty: optionProperty
);
}
}
else
{
if (!testAssignability(requiredType, defaultValue))
{
throw new PropertyValidationException(
userMsg: "Default value for option property '{0}' has incorrect type. Type '" + requiredType + "' is required.",
developerMsg: "StructureValidation::checkTypeMatching has failed due to incorrect type of default value on property '{0}'. Type '" + requiredType + "' is required.",
validatedProperty: optionProperty
);
}
}
}
/// <summary>
/// Check validity of structureType. If error is found, appropriate exception is thrown.
/// </summary>
/// <param name="structureType">Type describing validated structure.</param>
internal static void ThrowOnInvalid(Type structureType)
{
if (structureType.GetInterfaces().Count() != 1)
{
throw new TypeValidationException(
userMsg: "Structure type '{0}' has incorrect format, only IConfiguration interface can be implemented",
developerMsg: "StructureValidation::ThrowOnInvalid failed because on structure type '{0}' was found more than IConfiguration interface implemented",
validatedType: structureType
);
}
checkSignature(structureType, false);
checkIDsValidity(StructureFactory.GetSectionProperties(structureType), StructureFactory.ResolveSectionID);
checkSectionUniqueness(structureType);
foreach (var sectionProperty in structureType.GetProperties())
{
if (sectionProperty.GetSetMethod() != null)
{
throw new PropertyValidationException(
userMsg: "Setter detected on section property '{0}'. Section properties cannot have setters.",
developerMsg: "StructureValidation::ThrowOnInvalid failed because setter has been found on section property '{0}'",
validatedProperty: sectionProperty
);
}
var sectionType = sectionProperty.PropertyType;
checkSignature(sectionType, true);
checkIDsValidity(StructureFactory.GetOptionProperties(sectionType), StructureFactory.ResolveOptionID);
checkOptionUniqueness(sectionType);
checkTypeMatching(sectionType);
}
}
/// <summary>
/// Register container option, because of equality comparison.
/// </summary>
/// <param name="optionInfo">Option info for container option.</param>
/// <param name="container">Container to be registered.</param>
private void registerContainer(OptionInfo optionInfo, object container)
{
var containerElements = StructureFactory.GetContainerElements(container);
var backup = new List <object>(containerElements);
_containerBackups[optionInfo.Name] = backup;
}
/// <summary>
/// Check that every default value or range attribute will have data with matching type for property.
/// </summary>
/// <param name="sectionType">Section which properties will be checked.</param>
private static void checkTypeMatching(Type sectionType)
{
foreach (var optionProperty in sectionType.GetProperties())
{
var requiredType = StructureFactory.GetElementType(optionProperty.PropertyType);
if (requiredType == null)
{
//property is not container, because we cant determine element type
requiredType = optionProperty.PropertyType;
}
checkDefaultValueMatching(optionProperty, requiredType);
checkRangeTypeMatching(optionProperty, requiredType);
}
}
/// <summary>
/// Check that every option in section has unique ID.
/// </summary>
/// <param name="sectionType">Type describing section.</param>
private static void checkOptionUniqueness(Type sectionType)
{
checkIDUniqueness(StructureFactory.GetOptionProperties(sectionType), StructureFactory.ResolveOptionID);
}
/// <summary>
/// Check that every section in structure has unique ID.
/// </summary>
/// <param name="structureType">Type describing structure.</param>
private static void checkSectionUniqueness(Type structureType)
{
checkIDUniqueness(StructureFactory.GetSectionProperties(structureType), StructureFactory.ResolveSectionID);
}