/// <summary>
/// Recursive method to resolve annotations in parameter class and its super classes.
/// This mehthod creates field descriptors and other optimized datastructures, which
/// is used for marshalling and ummarshalling of runtime objects.
/// </summary>
/// <param name="thatClass">
/// The parameter class <c>Type</c> to resolve any defined annotations.
/// </param>
/// <param name="fieldDescriptorClass">
/// Used by recursive call from inside the function. Can be null if being called
/// for the first time.
/// </param>
public void DeriveAndOrganizeFieldsRecursive(Type thatClass)
{
if (XmlTools.IsAnnotationPresent <SimplInherit>(thatClass))
{
TypeInfo classTypeInfo = thatClass.GetTypeInfo();
Type[] superClassGenericArguments = classTypeInfo.BaseType.GenericTypeArguments;
ClassDescriptor superClassDescriptor = GetClassDescriptor(classTypeInfo.BaseType);
ReferFieldDescriptorsFrom(superClassDescriptor, superClassGenericArguments);
}
IEnumerable <FieldInfo> fields = thatClass.GetTypeInfo().DeclaredFields;
// Iterate through all fields for the type
foreach (FieldInfo thatField in fields)
{
// We don't serialize static values in S.im.pl, continue on to the next field
if ((thatField.IsStatic))
{
continue;
}
Int16 fieldType = FieldTypes.UnsetType;
if (XmlTools.IsScalar(thatField))
{
fieldType = FieldTypes.Scalar;
}
else if (XmlTools.IsAnnotationPresent <SimplComposite>(thatField))
{
fieldType = FieldTypes.CompositeElement;
}
else if (XmlTools.IsAnnotationPresent <SimplCollection>(thatField))
{
fieldType = FieldTypes.CollectionElement;
}
else if (XmlTools.IsAnnotationPresent <SimplMap>(thatField))
{
fieldType = FieldTypes.MapElement;
}
if (fieldType == FieldTypes.UnsetType)
{
continue; //not a simpl serialization annotated field
}
FieldDescriptor fieldDescriptor = NewFieldDescriptor(thatField, fieldType, fieldDescriptorClass);
//generics
fieldDescriptor.GenericTypeVarsContextCD = this;
if (fieldDescriptor.FdType == FieldTypes.Scalar)
{
Hint xmlHint = fieldDescriptor.XmlHint;
switch (xmlHint)
{
case Hint.XmlAttribute:
_attributeFieldDescriptors.Add(fieldDescriptor);
break;
case Hint.XmlText:
case Hint.XmlTextCdata:
break;
case Hint.XmlLeaf:
case Hint.XmlLeafCdata:
_elementFieldDescriptors.Add(fieldDescriptor);
break;
}
}
else
{
_elementFieldDescriptors.Add(fieldDescriptor);
}
if (XmlTools.IsCompositeAsScalarValue(thatField))
{
_scalarValueFieldDescriptor = fieldDescriptor;
}
_fieldDescriptorsByFieldName.Add(thatField.Name, fieldDescriptor);
if (fieldDescriptor.IsMarshallOnly)
{
continue;
}
String fieldTagName = fieldDescriptor.TagName;
if (fieldDescriptor.IsWrapped)
{
FieldDescriptor wrapper = NewFieldDescriptor(fieldDescriptor, fieldTagName, fieldDescriptorClass);
MapTagToFdForTranslateFrom(fieldTagName, wrapper);
}
else if (!fieldDescriptor.IsPolymorphic)
{
String tag = fieldDescriptor.IsCollection ? fieldDescriptor.CollectionOrMapTagName : fieldTagName;
MapTagToFdForTranslateFrom(tag, fieldDescriptor);
var otherTagsAttributes = XmlTools.GetAnnotation <SimplOtherTags>(thatField);
String[] otherTags = XmlTools.OtherTags(otherTagsAttributes);
if (otherTags != null)
{
foreach (String otherTag in otherTags)
{
MapTagToFdForTranslateFrom(otherTag, fieldDescriptor);
}
}
}
else
{
MapTagClassDescriptors(fieldDescriptor);
}
}
}
/// <summary>
/// Returns the <c>ClassDescriptor</c> associated with the class type.
/// Uses the global class descriptor map to fetch the <c>ClassDescriptor</c>.
/// If it is being for the first time it recusively generate <c>ClassDescriptors</c>
/// and resolve annotations.
/// </summary>
/// <param name="thatClass">
/// <c>Type</c> of the class
/// </param>
/// <returns>
/// <c>ClassDescripor</c> for the paramater class or <c>null</c>
/// if there is no associated class descriptor.
/// </returns>
public static ClassDescriptor GetClassDescriptor(Type thatClass)
{
String className = thatClass.FullName; // for generic classes, className could be null!
//generics
while (thatClass.GetTypeInfo().IsGenericParameter)
//e.g. where X : Media \n where I : X \n ... List<I> field;
{
Type[] thatClassConstraints = thatClass.GetTypeInfo().GetGenericParameterConstraints();
if (thatClassConstraints == null || thatClassConstraints.Length == 0)
{
thatClass = typeof(Object);
}
else
{
thatClass = thatClassConstraints[0];
}
className = thatClass.FullName;
}
if (thatClass.GetTypeInfo().IsGenericType) //can also be a generic parameter that extends a generic type
{
if (thatClass.FullName == null)
{
className = thatClass.GetGenericTypeDefinition().FullName;
}
}
ClassDescriptor result = null;
if (!GlobalClassDescriptorsMap.TryGetValue(className, out result) || !result.IsGetAndOrganizeComplete)
{
lock (GlobalClassDescriptorsMap)
{
if (!GlobalClassDescriptorsMap.TryGetValue(className, out result))
{
var descriptorsAnnotation = XmlTools.GetAnnotation <SimplDescriptorClasses>(thatClass,
considerInheritedAnnotations
: true);
if (descriptorsAnnotation == null)
{
result = new ClassDescriptor(thatClass);
}
else
{
//First class is the type of the class descriptor, the second the type of the fieldDescriptor.
Type classDescriptorClass = descriptorsAnnotation.Classes[0];
result = ReflectionTools.GetInstance <ClassDescriptor>(classDescriptorClass,
new object[] { thatClass });
result.fieldDescriptorClass = descriptorsAnnotation.Classes[1];
}
GlobalClassDescriptorsMap[className] = result;
ClassDescriptor superCD = result.SuperClass;
if (superCD == null || superCD.IsGetAndOrganizeComplete)
{
result.DeriveAndOrganizeFieldsRecursive(thatClass);
result.IsGetAndOrganizeComplete = true;
result.HandleFieldDescriptorsDerivedEvent();
}
else
{
ClassDescriptor resultFinalCopy = result;
superCD.FieldDescriptorsDerived += (sender, args) =>
{
resultFinalCopy.DeriveAndOrganizeFieldsRecursive(thatClass);
resultFinalCopy.IsGetAndOrganizeComplete = true;
resultFinalCopy.HandleFieldDescriptorsDerivedEvent();
};
}
}
}
}
return(result);
}
private int DeriveNestedSerialization(FieldInfo thatField, int annotationType)
{
int result = annotationType;
Type thatFieldType = thatField.FieldType;
switch (annotationType)
{
case FieldTypes.CompositeElement:
String compositeTag = XmlTools.GetAnnotation <SimplComposite>(thatField).TagName;
Boolean isWrap = XmlTools.IsAnnotationPresent <SimplWrap>(thatField);
Boolean compositeTagIsNullOrEmpty = String.IsNullOrEmpty(compositeTag);
if (!IsPolymorphic)
{
if (isWrap && compositeTagIsNullOrEmpty)
{
String msg = "In " + declaringClassDescriptor.DescribedClass
+ "\n\tCan't translate [SimplComposite] " + thatField.Name
+ " because its tag argument is missing.";
Debug.WriteLine(msg);
return(FieldTypes.IgnoredAttribute);
}
_elementClassDescriptor = ClassDescriptor.GetClassDescriptor(thatFieldType);
_elementClass = _elementClassDescriptor.DescribedClass;
compositeTag = XmlTools.GetXmlTagName(thatField);
}
else
{
if (!compositeTagIsNullOrEmpty)
{
String msg = "In " + declaringClassDescriptor.DescribedClass
+ "\n\tCan't translate [SimplComposite] " + thatField.Name
+ " because its tag argument is missing.";
Debug.WriteLine(msg);
}
}
compositeTagName = compositeTag;
break;
case FieldTypes.CollectionElement:
if (!(typeof(IList).GetTypeInfo().IsAssignableFrom(thatField.FieldType.GetTypeInfo())))
{
String msg = "In " + declaringClassDescriptor.DescribedClass + "\n\tCan't translate "
+ "[SimplCollection] " + field.Name
+ " because the annotated field is not an instance of " +
typeof(IList).Name
+ ".";
Debug.WriteLine(msg);
return(FieldTypes.IgnoredAttribute);
}
String collectionTag = XmlTools.GetAnnotation <SimplCollection>(thatField).TagName;
if (!IsPolymorphic)
{
Type collectionElementType = GetTypeArgs(thatField, 0);
if (String.IsNullOrEmpty(collectionTag))
{
String msg = "In " + declaringClassDescriptor.DescribedClass
+ "\n\tCan't translate [SimplCollection]" + field.Name
+ " because its tag argument is missing.";
Debug.WriteLine(msg);
return(FieldTypes.IgnoredElement);
}
if (collectionElementType == null)
{
String msg = "In " + declaringClassDescriptor.DescribedClass
+ "\n\tCan't translate [SimplCollection] " + field.Name
+ " because the parameterized type argument for the Collection is missing.";
Debug.WriteLine(msg);
return(FieldTypes.IgnoredElement);
}
if (!TypeRegistry.ScalarTypes.Contains(collectionElementType))
{
_elementClassDescriptor = ClassDescriptor.GetClassDescriptor(collectionElementType);
_elementClass = _elementClassDescriptor.DescribedClass;
}
else
{
result = FieldTypes.CollectionScalar;
DeriveScalarSerialization(collectionElementType, field);
if (ScalarType == null)
{
result = FieldTypes.IgnoredElement;
String msg = "Can't identify ScalarType for serialization of " + collectionElementType;
Debug.WriteLine(msg);
}
}
}
else
{
if (!String.IsNullOrEmpty(collectionTag))
{
String msg = "In " + declaringClassDescriptor.DescribedClass
+ "\n\tIgnoring argument to [SimplCollection] " + field.Name
+ " because it is declared polymorphic with [SimplClasses].";
}
}
_collectionOrMapTagName = collectionTag;
collectionType = TypeRegistry.GetCollectionType(thatField);
break;
case FieldTypes.MapElement:
if (!(typeof(IDictionary).GetTypeInfo().IsAssignableFrom(thatField.FieldType.GetTypeInfo())))
{
String msg = "In " + declaringClassDescriptor.DescribedClass + "\n\tCan't translate "
+ "[SimplMap] " + field.Name
+ " because the annotated field is not an instance of " +
typeof(IDictionary).Name
+ ".";
Debug.WriteLine(msg);
return(FieldTypes.IgnoredAttribute);
}
String mapTag = XmlTools.GetAnnotation <SimplMap>(thatField).TagName;
if (!IsPolymorphic)
{
Type mapElementType = GetTypeArgs(thatField, 1);
if (String.IsNullOrEmpty(mapTag))
{
String msg = "In " + declaringClassDescriptor.DescribedClass
+ "\n\tCan't translate [SimplMap]" + field.Name
+ " because its tag argument is missing.";
Debug.WriteLine(msg);
return(FieldTypes.IgnoredElement);
}
if (mapElementType == null)
{
String msg = "In " + declaringClassDescriptor.DescribedClass
+ "\n\tCan't translate [SimplMap] " + field.Name
+ " because the parameterized type argument for the map is missing.";
Debug.WriteLine(msg);
return(FieldTypes.IgnoredElement);
}
if (!TypeRegistry.ScalarTypes.Contains(mapElementType))
{
_elementClassDescriptor = ClassDescriptor.GetClassDescriptor(mapElementType);
_elementClass = _elementClassDescriptor.DescribedClass;
}
}
else
{
if (!String.IsNullOrEmpty(mapTag))
{
String msg = "In " + declaringClassDescriptor.DescribedClass
+ "\n\tIgnoring argument to [SimplMap] " + field.Name
+ " because it is declared polymorphic with [SimplClasses].";
}
}
_collectionOrMapTagName = mapTag;
collectionType = TypeRegistry.GetCollectionType(thatField);
break;
}
switch (annotationType)
{
case FieldTypes.CollectionElement:
case FieldTypes.MapElement:
if (!XmlTools.IsAnnotationPresent <SimplNoWrap>(thatField))
{
_wrapped = true;
}
collectionType = TypeRegistry.GetCollectionType(thatField);
break;
case FieldTypes.CompositeElement:
if (XmlTools.IsAnnotationPresent <SimplWrap>(thatField))
{
_wrapped = true;
}
break;
}
return(result);
}
public FieldDescriptor(ClassDescriptor declaringClassDescriptor, FieldInfo field, int annotationType)
: base(XmlTools.GetXmlTagName(field), field.Name)
{
this.declaringClassDescriptor = declaringClassDescriptor;
this.field = field;
fieldType = field.FieldType.Name;
//generics
if (field.FieldType.IsGenericParameter || field.FieldType.GetTypeInfo().IsGenericType)
{
Type realFieldType = field.FieldType;
while (realFieldType.IsGenericParameter)
{
Type[] realFieldTypeConstraints = realFieldType.GetTypeInfo().GetGenericParameterConstraints();
if (realFieldTypeConstraints == null || realFieldTypeConstraints.Length == 0)
{
realFieldType = typeof(Object);
break;
}
else
{
realFieldType = realFieldTypeConstraints[0];
}
}
fieldType = realFieldType.Name;
if (realFieldType.GetTypeInfo().IsGenericType)//can also be a generic parameter that extends a generic type
{
int pos = fieldType.IndexOf('`');
fieldType = fieldType.Substring(0, pos);
}
}
if (XmlTools.IsAnnotationPresent <SimplMapKeyField>(field))
{
mapKeyFieldName = XmlTools.GetAnnotation <SimplMapKeyField>(field).FieldName;
}
DerivePolymorphicDescriptors(field);
type = FieldTypes.UnsetType;
if (annotationType == FieldTypes.Scalar)
{
type = DeriveScalarSerialization(field);
}
else
{
type = DeriveNestedSerialization(field, annotationType);
}
String fieldName = field.Name;
StringBuilder capFieldName = new StringBuilder(fieldName);
//generics
Type genericType = field.DeclaringType;
isGeneric = genericType.GetTypeInfo().IsGenericType || genericType.IsGenericParameter;
}
/// <summary>
/// Gets the Type of the tag
/// </summary>
/// <param name="tag"></param>
/// <returns></returns>
public Type GetClassByTag(String tag)
{
ClassDescriptor entry = GetClassDescriptorByTag(tag);
return(entry == null ? null : entry.DescribedClass);
}
/// <summary>
///
/// </summary>
/// <param name="thatClass"></param>
public void AddTranslation(Type thatClass)
{
ClassDescriptor entry = ClassDescriptor.GetClassDescriptor(thatClass);
AddTranslation(entry);
}