public static bool IsDefault(object value, IReflectionProvider provider, ILogPrinter inLogger)
{
Type type = value.GetType();
if (type.IsValueType)
{
var t = provider.Instantiate(type, inLogger);
return(t.Equals(value));
}
else
{
if (value == null)
{
return(true);
}
if (value is string)
{
return(string.IsNullOrEmpty((string)value));
}
if (value is ICollection)
{
return((value as ICollection).Count == 0);
}
if (type.IsHashSet())
{
return((int)provider.GetValue(type
.GetProperty("Count", BindingFlags.ExactBinding | ReflectionHelper.PublicInstanceMembers, null, typeof(int), Type.EmptyTypes, null),
value) == 0);
}
return(false);
}
}
void SerializeClass(object instance, Type type, IKey inKey, int inInheriteDeep, ILogPrinter inLogger)
{
MethodInfo mi = type.GetMethod("SerializationToCscd", new Type[] { typeof(CascadeParser.IKey), typeof(CascadeParser.ILogPrinter) });
if (mi != null)
{
if (string.IsNullOrEmpty(inKey.GetName()))
{
inKey.SetName("Value");
}
mi.Invoke(instance, new object[] { inKey, inLogger });
return;
}
MemberInfo[] member_infos = _reflectionProvider.GetSerializableMembers(type);
foreach (MemberInfo memberInfo in member_infos)
{
object value = _reflectionProvider.GetValue(memberInfo, instance);
if (value == null)
{
continue;
}
SCustomMemberParams member_params = GetMemberParams(memberInfo);
if (member_params.DefaultValue != null)
{
if (member_params.DefaultValue.GetType() != value.GetType())
{
LogError(inLogger, string.Format("DefaultValue and member {2} of class {3} have difference types: {0} and {1}",
member_params.DefaultValue.GetType().Name,
value.GetType().Name,
member_params.Name,
type.Name));
}
else if (member_params.DefaultValue.Equals(value))
{
continue;
}
}
else if (ReflectionHelper.IsDefault(value, _reflectionProvider, inLogger))
{
continue;
}
IKey child = inKey.CreateChildKey(member_params.ChangedName);
Type real_type = value.GetType();
Type member_type = memberInfo.GetMemberType();
if (member_params.Converter != null && member_params.Converter.CanConvert(real_type))
{
member_params.Converter.WriteKey(child, value, inLogger);
}
else
{
Serialize(value, real_type, child, 0, inLogger);
}
// Write the runtime type if different (except nullables since they get unboxed)
if (real_type != member_type && !member_type.IsNullable())
{
IKey obj_type_key = child.CreateChildKey("RealObjectType");
obj_type_key.AddValue(real_type.FullName);
obj_type_key.AddValue(real_type.Assembly.FullName);
}
}
}
SerializedObject SerializeInternal(string name, object instance, Type declaredType)
{
SerializedObject child;
var type = instance == null ? declaredType : instance.GetType();
// Atomic values
if (instance == null || IsAtomic(type))
{
child = new SerializedAtom {
Name = name, Type = type, Value = instance
};
}
else if (IsXmlType(type))
{
using (var sw = new StringWriter())
using (var xw = XmlWriter.Create(sw, new XmlWriterSettings {
ConformanceLevel = ConformanceLevel.Fragment
}))
{
if (xw == null)
{
throw new Exception("SerializeInternal error. xw is null");
}
xw.WriteStartElement("root");
var xmlSerializable = instance as IXmlSerializable;
if (xmlSerializable == null)
{
throw new Exception("SerializeInternal error. xmlSerializable is null");
}
xmlSerializable.WriteXml(xw);
xw.WriteEndElement();
xw.Flush();
sw.Flush();
child = new SerializedXml {
Name = name, Type = type, Value = sw.ToString()
};
}
}
else if (IsSerializable(type))
{
using (var ms = new MemoryStream())
{
serializer.Serialize(ms, instance);
ms.Flush();
child = new SerializedXml()
{
Name = name,
Type = type,
Value = Encoding.Default.GetString(ms.ToArray())
};
}
}
// Dictionaries
else if (type.IsGenericDictionary())
{
var dictionary = instance as IDictionary;
if (dictionary == null)
{
throw new Exception("SerializeInternal error. dictionary is null");
}
var genericArguments = dictionary.GetType().GetGenericArguments();
var keyDeclaredType = genericArguments[0];
var valueDeclaredType = genericArguments[1];
child = new SerializedAggregate {
Name = name
};
var childAggregation = child as SerializedAggregate;
foreach (var key in dictionary.Keys)
{
childAggregation.Children.Add(
SerializeInternal(null, key, keyDeclaredType),
SerializeInternal(null, dictionary[key], valueDeclaredType));
}
}
// Arrays, lists and sets (any collection excluding dictionaries)
else if (type.IsGenericCollection())
{
var collection = instance as IEnumerable;
if (collection == null)
{
throw new Exception("SerializeInternal error. dictionary is null");
}
var declaredItemType = type.IsArray ? type.GetElementType() : type.GetGenericArguments()[0];
child = new SerializedCollection {
Name = name
};
var childCollection = child as SerializedCollection;
foreach (var item in collection)
{
childCollection.Items.Add(SerializeInternal(null, item, declaredItemType));
}
}
// Everything else (serialized with recursive property reflection)
else
{
child = new SerializedAggregate {
Name = name
};
var childAggregation = child as SerializedAggregate;
foreach (var memberInfo in _reflectionProvider.GetSerializableMembers(type))
{
var memberAttr = _reflectionProvider.GetSingleAttributeOrDefault <SerializationAttribute>(memberInfo);
// Make sure we want it serialized
if (memberAttr.Ignore)
{
continue;
}
var memberType = memberInfo.GetMemberType();
object value = null;
try
{
value = _reflectionProvider.GetValue(memberInfo, instance);
}
catch
{
}
// Optional properties are skipped when serializing a default or null value
if (!memberAttr.Required && (value == null || IsDefault(value, (memberInfo as PropertyInfo) != null ? (memberInfo as PropertyInfo).PropertyType : (memberInfo as FieldInfo).FieldType)))
{
continue;
}
// If no property name is defined, use the short type name
var memberName = memberAttr.Name ?? memberInfo.Name;
childAggregation.Children.Add(memberName, SerializeInternal(memberName, value, memberType));
}
}
// Write the runtime type if different (except nullables since they get unboxed)
//if (!declaredType.IsNullable() && type != declaredType)
child.Type = type.HasParameterlessConstructor() ? type : declaredType;
return(child);
}