/// <summary>
/// Loads and return a ClassBuilder inheritor that has been saved with the SaveToXml method
/// </summary>
/// <param name="filename">A file name with the ClassBuilder difinition.</param>
/// <returns>A new instance of a ClassBuilder inheritor.</returns>
public static ClassBuilder LoadFromXml(string filename)
{
ClassBuilder res = null;
var document = new XmlDocument();
document.Load(filename);
var classtype = document.ChildNodes[0].LocalName;
if (classtype == "DelimitedClass")
{
res = DelimitedClassBuilder.LoadXmlInternal(document);
}
else
{
res = FixedLengthClassBuilder.LoadXmlInternal(document);
}
XmlNode node = document.ChildNodes.Item(0)["IgnoreLastLines"];
if (node != null)
{
res.IgnoreLastLines = int.Parse(node.InnerText);
}
node = document.ChildNodes.Item(0)["IgnoreFirstLines"];
if (node != null)
{
res.IgnoreFirstLines = int.Parse(node.InnerText);
}
node = document.ChildNodes.Item(0)["IgnoreEmptyLines"];
if (node != null)
{
res.IgnoreEmptyLines = true;
}
node = document.ChildNodes.Item(0)["CommentMarker"];
if (node != null)
{
res.IgnoreCommentedLines.CommentMarker = node.InnerText;
}
node = document.ChildNodes.Item(0)["CommentInAnyPlace"];
if (node != null)
{
res.IgnoreCommentedLines.InAnyPlace = bool.Parse(node.InnerText.ToLower());
}
node = document.ChildNodes.Item(0)["SealedClass"];
res.SealedClass = node != null;
node = document.ChildNodes.Item(0)["Namespace"];
if (node != null)
{
res.Namespace = node.InnerText;
}
node = document.ChildNodes.Item(0)["Visibility"];
if (node != null)
{
res.Visibility = (NetVisibility)Enum.Parse(typeof(NetVisibility), node.InnerText);
}
;
node = document.ChildNodes.Item(0)["RecordCondition"];
if (node != null)
{
res.RecordCondition.Condition = (RecordCondition)Enum.Parse(typeof(RecordCondition), node.InnerText);
}
;
node = document.ChildNodes.Item(0)["RecordConditionSelector"];
if (node != null)
{
res.RecordCondition.Selector = node.InnerText;
}
res.ReadClassElements(document);
node = document.ChildNodes.Item(0)["Fields"];
XmlNodeList nodes;
if (classtype == "DelimitedClass")
{
nodes = node.SelectNodes("/DelimitedClass/Fields/Field");
}
else
{
nodes = node.SelectNodes("/FixedLengthClass/Fields/Field");
}
foreach (XmlNode n in nodes)
{
res.ReadField(n);
}
return(res);
}
