/// <summary>
/// Loads XML from a property bag.
/// </summary>
/// <param name="bag"></param>
/// <returns></returns>
private static MruList LoadInternal(SimpleXmlPropertyBag bag)
{
if (bag == null)
{
throw new ArgumentNullException("bag");
}
// get...
MruList list = new MruList(bag.GetInt32Value("Capacity", 20, Cultures.System, OnNotFound.ReturnNull));
// walk...
int count = bag.GetInt32Value("Count", 0, Cultures.System, OnNotFound.ThrowException);
// add...
ArrayList values = new ArrayList();
for (int index = 0; index < count; index++)
{
// get...
string name = "Item" + index.ToString();
values.Add(bag.GetValue(name, null, null, Cultures.System, OnNotFound.ReturnNull));
}
// set...
list.BulkAdd(values);
// return...
return(list);
}
/// <summary>
/// Loads a bag from an XML element.
/// </summary>
/// <param name="element"></param>
/// <returns></returns>
private static SimpleXmlPropertyBag LoadInternal(XmlNode node, Type type)
{
if (node == null)
{
throw new ArgumentNullException("node");
}
if (type == null)
{
throw new ArgumentNullException("type");
}
// create the bag...
SimpleXmlPropertyBag results = (SimpleXmlPropertyBag)Activator.CreateInstance(type, BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance,
null, null, System.Globalization.CultureInfo.InvariantCulture);
// walk...
foreach (XmlNode child in node.ChildNodes)
{
bool isArray = XmlHelper.GetAttributeBoolean(child, isArrayAttributeName, OnNotFound.ReturnNull);
// do we have an element?
if (child is XmlElement)
{
if (isArray == false)
{
results[child.Name] = XmlHelper.GetElementValue((XmlElement)child);
}
else
{
if (child.ChildNodes.Count == 0)
{
results[child.Name] = null;
}
else
{
ArrayList arrayItems = new ArrayList();
for (int index = 0; index < child.ChildNodes.Count; index++)
{
arrayItems.Add(XmlHelper.GetElementValue((XmlElement)child.ChildNodes[index]));
}
results[child.Name] = arrayItems.ToArray(arrayItems[0].GetType());
}
}
}
}
// mbr - 20-10-2005 - added...
results.OnLoadComplete();
// return...
return(results);
}
/// <summary>
/// Gets the MRU list as XML.
/// </summary>
/// <returns></returns>
public string ToXml()
{
SimpleXmlPropertyBag bag = new SimpleXmlPropertyBag();
bag.Add("Capacity", this.Capacity);
bag.Add("Count", this.Count);
// items...
for (int index = 0; index < this.Count; index++)
{
bag.Add("Item" + index.ToString(), this[index]);
}
// return...
string xml = bag.ToXml("Mru");
return(xml);
}
/// <summary>
/// Loads the MRU list from a file.
/// </summary>
/// <param name="xmlFilePath"></param>
/// <returns></returns>
public static MruList Load(string xmlFilePath)
{
if (xmlFilePath == null)
{
throw new ArgumentNullException("xmlFilePath");
}
if (xmlFilePath.Length == 0)
{
throw new ArgumentOutOfRangeException("'xmlFilePath' is zero-length.");
}
// get...
SimpleXmlPropertyBag bag = SimpleXmlPropertyBag.Load(xmlFilePath, typeof(SimpleXmlPropertyBag));
if (bag == null)
{
throw new InvalidOperationException("bag is null.");
}
// defer...
return(LoadInternal(bag));
}
/// <summary>
/// Loads the MRU list from an XML stream.
/// </summary>
/// <param name="xml"></param>
/// <returns></returns>
public static MruList LoadXml(string xml)
{
if (xml == null)
{
throw new ArgumentNullException("xml");
}
if (xml.Length == 0)
{
throw new ArgumentException("'xml' is zero-length.");
}
// load...
SimpleXmlPropertyBag bag = SimpleXmlPropertyBag.FromXml(xml, typeof(SimpleXmlPropertyBag));
if (bag == null)
{
throw new InvalidOperationException("'bag' is null.");
}
// defer...
return(LoadInternal(bag));
}
