/// <summary>Clones a complex type using field-based value transfer</summary>
/// <param name="original">Original instance that will be cloned</param>
/// <returns>A clone of the original instance</returns>
private static object shallowCloneComplexFieldBased(object original)
{
Type originalType = original.GetType();
#if (XBOX360 || WINDOWS_PHONE)
object clone = Activator.CreateInstance(originalType);
#else
object clone = FormatterServices.GetUninitializedObject(originalType);
#endif
FieldInfo[] fieldInfos = ClonerHelpers.GetFieldInfosIncludingBaseClasses(
originalType, BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance
);
for (int index = 0; index < fieldInfos.Length; ++index)
{
FieldInfo fieldInfo = fieldInfos[index];
object originalValue = fieldInfo.GetValue(original);
if (originalValue != null)
{
// Everything's just directly assigned in a shallow clone
fieldInfo.SetValue(clone, originalValue);
}
}
return(clone);
}
/// <summary>Clones a complex type using field-based value transfer</summary>
/// <param name="original">Original instance that will be cloned</param>
/// <returns>A clone of the original instance</returns>
private static object deepCloneComplexFieldBased(object original)
{
Type originalType = original.GetType();
#if (XBOX360 || WINDOWS_PHONE)
object clone = Activator.CreateInstance(originalType);
#else
object clone = FormatterServices.GetUninitializedObject(originalType);
#endif
FieldInfo[] fieldInfos = ClonerHelpers.GetFieldInfosIncludingBaseClasses(
originalType, BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance
);
for (int index = 0; index < fieldInfos.Length; ++index)
{
FieldInfo fieldInfo = fieldInfos[index];
Type fieldType = fieldInfo.FieldType;
object originalValue = fieldInfo.GetValue(original);
if (originalValue != null)
{
// Primitive types can be assigned directly
if (fieldType.IsPrimitive || (fieldType == typeof(string)))
{
fieldInfo.SetValue(clone, originalValue);
}
else if (fieldType.IsArray)
{ // Arrays need to be cloned element-by-element
fieldInfo.SetValue(
clone,
deepCloneArrayFieldBased((Array)originalValue, fieldType.GetElementType())
);
}
else
{ // Complex types need to be cloned member-by-member
fieldInfo.SetValue(clone, deepCloneSingleFieldBased(originalValue));
}
}
}
return(clone);
}
