public static IEnumerable <Parameter> GetParameters(this IParametrizedObject @this)
{
return(@this
.GetType()
.GetFields(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static)
.Concat <MemberInfo>(@this.GetType().GetProperties(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static))
.Select(fop => new { FieldOrProperty = fop, Attribute = ProcessAttributes(fop) })
.Where(d => d.Attribute != null)
.Select(d => CreateParameter(@this, d.FieldOrProperty, d.Attribute))
.ToArray());
}
public static IEnumerable <InnerParametrizedObject> GetInnerParametrizedObjects(
this IParametrizedObject @this)
{
return(@this
.GetType()
.GetFields(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static)
.Concat <MemberInfo>(@this.GetType().GetProperties(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static))
.Where(fop => !fop.GetCustomAttributes(typeof(CompilerGeneratedAttribute), true).Any())
.Where(fop => typeof(IParametrizedObject).IsAssignableFrom(fop.GetFieldOrPropertyType()))
.Select(fop => GetInnerParametrizedObject(@this, fop))
.Where(po => po != null)
.ToArray());
}
public static void CopyParametersFrom(this IParametrizedObject @this, IParametrizedObject other)
{
Contract.Requires(@this.GetType().Equals(other.GetType()));
foreach (var parameterPair
in Enumerable.Zip(@this.GetParameters(), other.GetParameters(), (p1, p2) => new { P1 = p1, P2 = p2 }))
{
parameterPair.P1.SetValue(parameterPair.P2.GetValue());
}
}
public static void CopyParametersFromWithInnerObjects(this IParametrizedObject @this, IParametrizedObject other)
{
Contract.Requires(@this.GetType().Equals(other.GetType()));
@this.CopyParametersFrom(other);
foreach (var objectPair
in Enumerable.Zip(@this.GetInnerParametrizedObjects(), other.GetInnerParametrizedObjects(), (o1, o2) => new { O1 = o1, O2 = o2 }))
{
objectPair.O1.ParametrizedObject.CopyParametersFromWithInnerObjects(objectPair.O2.ParametrizedObject);
}
@this.ParametersChanged();
}
private static string GetFieldOrPropertyTypeDescription(IParametrizedObject @this, Type type, MemberInfo fieldOrProperty)
{
if (fieldTypeToDescription.ContainsKey(type))
{
return(fieldTypeToDescription[type]);
}
if (type.BaseType != null && fieldTypeToDescription.ContainsKey(type.BaseType))
{
return(fieldTypeToDescription[type.BaseType]);
}
throw new InvalidOperationException("Unsupported field type: '" + type.FullName + "' used in class: '" + @this.GetType().FullName + "', field name: '" + fieldOrProperty.Name + "'");
}
private static Parameter CreateParameter(IParametrizedObject @this, MemberInfo fieldOrProperty, object attribute)
{
Parameter result = null;
ParameterAttribute parameterAttribute = attribute as ParameterAttribute;
Type fieldType = fieldOrProperty.GetFieldOrPropertyType();
string typeDescription = GetFieldOrPropertyTypeDescription(@this, fieldType, fieldOrProperty);
result = new Parameter(
@this,
fieldOrProperty,
fieldType,
parameterAttribute.MinimumValue,
parameterAttribute.MaximumValue,
parameterAttribute.StringType,
parameterAttribute.Description,
typeDescription);
if (!result.IsString && result.StringType != StringParameterType.Unspecified)
{
throw new InvalidOperationException("'StringType' argument can be used only with string fields. Class: " + @this.GetType().FullName + ", field name: " + fieldOrProperty.Name);
}
if (!result.IsNumeric && (result.MinimumValue != null || result.MaximumValue != null))
{
throw new InvalidOperationException("'MinimumValue' and 'MaximumValue' arguments can be used only with numeric fields. Class: " + @this.GetType().FullName + ", field name: " + fieldOrProperty.Name);
}
return(result);
}
