public override void VisitSequenceStart(IObjectDescriptor sequence, Type elementType, IEmitter context)
{
var anchor = aliasProvider.GetAlias(sequence.NonNullValue());
eventEmitter.Emit(new SequenceStartEventInfo(sequence)
{
Anchor = anchor
}, context);
}
public override void VisitMappingStart(IObjectDescriptor mapping, Type keyType, Type valueType, IEmitter context)
{
var anchor = aliasProvider.GetAlias(mapping.NonNullValue());
eventEmitter.Emit(new MappingStartEventInfo(mapping)
{
Anchor = anchor
}, context);
}
private void TraverseList <TContext>(IObjectDescriptor value, IObjectGraphVisitor <TContext> visitor, TContext context, Stack <ObjectPathSegment> path)
{
var enumerableType = ReflectionUtility.GetImplementedGenericInterface(value.Type, typeof(IEnumerable <>));
var itemType = enumerableType != null?enumerableType.GetGenericArguments()[0] : typeof(object);
visitor.VisitSequenceStart(value, itemType, context);
var index = 0;
foreach (var item in (IEnumerable)value.NonNullValue())
{
Traverse(index, GetObjectDescriptor(item, itemType), visitor, context, path);
++index;
}
visitor.VisitSequenceEnd(value, context);
}
protected virtual void TraverseProperties <TContext>(IObjectDescriptor value, IObjectGraphVisitor <TContext> visitor, TContext context, Stack <ObjectPathSegment> path)
{
visitor.VisitMappingStart(value, typeof(string), typeof(object), context);
var source = value.NonNullValue();
foreach (var propertyDescriptor in typeDescriptor.GetProperties(value.Type, source))
{
var propertyValue = propertyDescriptor.Read(source);
if (visitor.EnterMapping(propertyDescriptor, propertyValue, context))
{
Traverse(propertyDescriptor.Name, new ObjectDescriptor(propertyDescriptor.Name, typeof(string), typeof(string)), visitor, context, path);
Traverse(propertyDescriptor.Name, propertyValue, visitor, context, path);
}
}
visitor.VisitMappingEnd(value, context);
}
protected virtual void TraverseDictionary <TContext>(IObjectDescriptor dictionary, IObjectGraphVisitor <TContext> visitor, Type keyType, Type valueType, TContext context, Stack <ObjectPathSegment> path)
{
visitor.VisitMappingStart(dictionary, keyType, valueType, context);
var isDynamic = dictionary.Type.FullName !.Equals("System.Dynamic.ExpandoObject");
foreach (DictionaryEntry?entry in (IDictionary)dictionary.NonNullValue())
{
var entryValue = entry !.Value;
var keyValue = isDynamic ? namingConvention.Apply(entryValue.Key.ToString() !) : entryValue.Key;
var key = GetObjectDescriptor(keyValue, keyType);
var value = GetObjectDescriptor(entryValue.Value, valueType);
if (visitor.EnterMapping(key, value, context))
{
Traverse(keyValue, key, visitor, context, path);
Traverse(keyValue, value, visitor, context, path);
}
}
visitor.VisitMappingEnd(dictionary, context);
}
protected virtual void TraverseDictionary <TContext>(IObjectDescriptor dictionary, IObjectGraphVisitor <TContext> visitor, Type keyType, Type valueType, TContext context, Stack <ObjectPathSegment> path)
{
visitor.VisitMappingStart(dictionary, keyType, valueType, context);
var isDynamic = dictionary.Type.FullName !.Equals("System.Dynamic.ExpandoObject");
#pragma warning disable CS8605 // Unboxing a possibly null value. Iterating IDictionary should not return nulls.
foreach (DictionaryEntry entry in (IDictionary)dictionary.NonNullValue())
#pragma warning restore CS8605 // Unboxing a possibly null value.
{
var keyValue = isDynamic ? namingConvention.Apply(entry.Key.ToString() !) : entry.Key;
var key = GetObjectDescriptor(keyValue, keyType);
var value = GetObjectDescriptor(entry.Value, valueType);
if (visitor.EnterMapping(key, value, context))
{
var keyAsString = TypeConverter.ChangeType <string>(key);
Traverse(keyValue, key, visitor, context, path);
Traverse(keyValue, value, visitor, context, path);
}
}
visitor.VisitMappingEnd(dictionary, context);
}
