public FileDocument Parse()
{
if (_parsed)
{
throw new InvalidOperationException("Parse can only be called once");
}
var rootNode = new FileNode()
{
Level = -1,
Parent = null,
Tag = "ROOT"
};
var currentNode = rootNode;
FileNode node = null;
while ((node = GetNode()) != null)
{
while (currentNode.Level >= node.Level)
{
if (currentNode.Parent == null)
{
throw new InvalidFileFormatException(_lineNumber, "invalid hierarchy structure");
}
currentNode = currentNode.Parent;
}
//found the parent node
currentNode.AddChild(node);
currentNode = node; //move to the new node
}
var rootNodes = rootNode.ToList();
foreach (var n in rootNodes)
{
rootNode.RemoveChild(n);
}
_doc = new FileDocument(rootNodes);
//do parsing
_parsed = true;
return(Document);
}
public GedcomDocument(FileDom.FileDocument file)
{
_lazyFile = new Lazy <FileDocument>(() => file);
}