private static IPrintToken CreateInternal([CanBeNull] object item, [NotNull] HashSet <object> path, [NotNull] PrintSettings settings)
{
if (item == null)
{
return(NullValue);
}
if (!path.Add(item))
{
return(CyclicValue);
}
try
{
var itemType = item.GetType();
using (SecurityHelper.StartSecurityScope(itemType))
{
var isSecretType = settings.HideSecretValues && SecurityHelper.IsSecret(itemType);
if (!isSecretType && CustomFormatters.TryFormat(item, out var customFormatting))
{
return(new ValueToken(customFormatting));
}
var isNode = typeof(ISettingsNode).IsAssignableFrom(itemType);
if (!isSecretType && (ParseMethodFinder.HasAnyKindOfParseMethod(itemType) || isNode) && ToStringDetector.TryInvokeCustomToString(itemType, item, out var asString))
{
return(new ValueToken(asString));
}
if (DictionaryInspector.IsSimpleDictionary(itemType))
{
var pairs = DictionaryInspector.EnumerateSimpleDictionary(item);
var tokens = pairs
.Select(pair => ConstructPropertyToken(isSecretType, () => CreateInternal(pair.Item2, path, settings), pair.Item1, settings))
.ToArray();
if (tokens.Length == 0)
{
return(EmptyObjectValue);
}
return(new ObjectToken(tokens));
}
if (isSecretType)
{
return(SecretValue);
}
if (item is IEnumerable sequence)
{
if (!sequence.GetEnumerator().MoveNext())
{
return(EmptySequenceValue);
}
var tokens = new List <IPrintToken>();
foreach (var element in sequence)
{
tokens.Add(CreateInternal(element, path, settings));
}
return(new SequenceToken(tokens));
}
var fieldsAndProperties = new List <PropertyToken>();
foreach (var field in itemType.GetInstanceFields())
{
fieldsAndProperties.Add(ConstructProperty(field, () => CreateInternal(field.GetValue(item), path, settings), settings));
}
foreach (var property in itemType.GetInstanceProperties())
{
fieldsAndProperties.Add(ConstructProperty(property, () => CreateInternal(property.GetValue(item), path, settings), settings));
}
if (fieldsAndProperties.Count == 0)
{
return(EmptyObjectValue);
}
return(new ObjectToken(fieldsAndProperties));
}
}
finally
{
path.Remove(item);
}
}
private static ISettingsNode ParseObject([CanBeNull] string name, [CanBeNull] object item, [NotNull] HashSet <object> path, [NotNull] ObjectSourceSettings settings)
{
if (item == null)
{
return(new ValueNode(name, null));
}
if (!path.Add(item))
{
throw new ArgumentException("Object has cyclic dependency.");
}
try
{
var itemType = item.GetType();
if (CustomFormatters.TryFormat(item, out var customFormatting))
{
return(new ValueNode(name, customFormatting));
}
if (ParseMethodFinder.HasAnyKindOfParseMethod(itemType) && ToStringDetector.TryInvokeCustomToString(itemType, item, out var asString))
{
return(new ValueNode(name, asString));
}
if (DictionaryInspector.IsSimpleDictionary(itemType))
{
return(ParseDictionary(name, DictionaryInspector.EnumerateSimpleDictionary(item), path, settings));
}
if (item is IEnumerable sequence)
{
return(ParseEnumerable(name, sequence, path, settings));
}
var fieldsAndProperties = new List <ISettingsNode>();
foreach (var field in itemType.GetInstanceFields())
{
var fieldValue = field.GetValue(item);
if (fieldValue != null || !settings.IgnoreFieldsWithNullValue)
{
fieldsAndProperties.Add(ParseObject(field.Name, fieldValue, path, settings));
}
}
foreach (var property in itemType.GetInstanceProperties())
{
var propertyValue = property.GetValue(item);
if (propertyValue != null || !settings.IgnoreFieldsWithNullValue)
{
fieldsAndProperties.Add(ParseObject(property.Name, propertyValue, path, settings));
}
}
return(new ObjectNode(name, fieldsAndProperties));
}
finally
{
path.Remove(item);
}
}