/// <summary>
/// Gets the deep copy
/// </summary>
/// <param name="source">The object to be copied</param>
/// <param name="target">The object which will be the copy</param>
/// <param name="copiedObjects">Collection of objects and their copied equivalents. Will be populated and queried during copy.</param>
/// <param name="path">Relative path to location where files will be copied to</param>
/// <param name="copyValue">Indicates whether the new object should refer to a copy or to the same object</param>
private static void Copy(object source, object target, Hashtable copiedObjects, string path, bool copyValue)
{
if (source is IList)
{
IList copiedArray = (IList)target;
copiedArray.Clear();
for (int j = 0; j < ((IList)source).Count; j++)
{
object copiedArrayValue = ((IList)source)[j];
if (copyValue)
{
copiedArrayValue = ObjectSupport.GetCopy(copiedArrayValue, copiedObjects, path);
}
copiedArray.Add(copiedArrayValue);
}
}
else if (source is IDictionary)
{
IDictionary copiedArray = (IDictionary)target;
copiedArray.Clear();
IDictionaryEnumerator dictionaryEnumerator = ((IDictionary)source).GetEnumerator();
while (dictionaryEnumerator.MoveNext())
{
object copiedArrayKey = dictionaryEnumerator.Key;
object copiedArrayValue = dictionaryEnumerator.Value;
if (copyValue)
{
copiedArrayKey = ObjectSupport.GetCopy(copiedArrayKey, copiedObjects, path);
copiedArrayValue = ObjectSupport.GetCopy(copiedArrayValue, copiedObjects, path);
}
if (!copiedArray.Contains(copiedArrayKey))
{
copiedArray.Add(copiedArrayKey, copiedArrayValue);
}
}
}
// Special handling for files
else if (source is FileSystemInfo)
{
if (copyValue && (path != null) && (!path.Trim().Equals("")))
{
object copiedValue = CopyFile((FileSystemInfo)source, path);
}
}
else
{
PropertyInfo[] property = source.GetType().GetProperties();
for (int i = 0; i < property.Length; i++)
{
object sourceValue = property[i].GetValue(source, null);
if (sourceValue != null)
{
// Default copied value. This is just a reference to the original value
object copiedValue = sourceValue;
// If the value has been copied before, use the same copied equivalent
if (copiedObjects.ContainsKey(sourceValue))
{
copiedValue = copiedObjects[sourceValue];
}
else
{
// Determine whether the property is to be copied
bool copyPropertyValue = (Boolean)MetaInfo.GetAttributeDefault(source.GetType(), property[i].Name, "ObjectCopy", false);
if (copyPropertyValue)
{
if (property[i].CanWrite)
{
copiedValue = ObjectSupport.GetCopy(sourceValue, copiedObjects, path);
}
else
{
object targetValue = property[i].GetValue(target, null);
Copy(sourceValue, targetValue, copiedObjects, path);
}
}
else if ((sourceValue is IList) || (sourceValue is IDictionary))
{
object targetValue = property[i].GetValue(target, null);
Copy(sourceValue, targetValue, copiedObjects, path, copyPropertyValue);
}
}
// Populate the target object
if (property[i].CanWrite)
{
property[i].SetValue(target, copiedValue, null);
}
if (!copiedObjects.Contains(sourceValue))
{
copiedObjects.Add(sourceValue, copiedValue);
}
}
}
}
}
