public static OutlineDocument Load(string fileName)
{
var xmlDocument = XDocument.Load(fileName);
var thisOutlineDocument = OutlineDocument.CreateFromXmlDocument(xmlDocument);
thisOutlineDocument.FileName = fileName;
thisOutlineDocument.State = OutlineDocumentState.LoadedDocument;
return(thisOutlineDocument);
}
public static OutlineDocument CreateFromXmlElement(XElement xmlElement)
{
if (xmlElement == null)
{
throw new ArgumentNullException(nameof(xmlElement));
}
if (xmlElement.Name != "SimpleOutlineDocument")
{
throw new DecodingException();
}
if (xmlElement.Attributes().Count() > 0)
{
throw new DecodingException();
}
if (xmlElement.Elements().SingleOrDefault(e => e.Name != "Outline") != null)
{
throw new DecodingException();
}
if (xmlElement.Elements().SingleOrDefault(e => e.Name == "Outline") == null)
{
throw new DecodingException();
}
var xmlOutlineElement = xmlElement.Element("Outline");
if (xmlOutlineElement.Attributes().Count() > 0)
{
throw new DecodingException();
}
if (xmlOutlineElement.Elements("Item").Count() != 1)
{
throw new DecodingException();
}
var thisOutlineDocument = new OutlineDocument();
var rootItemXmlElement = xmlOutlineElement.Element("Item");
var rootOutlineItem = OutlineItem.CreateFromXmlElement(rootItemXmlElement);
thisOutlineDocument.Items[0] = rootOutlineItem;
return(thisOutlineDocument);
}